xref: /freebsd-src/contrib/llvm-project/llvm/lib/IR/Core.cpp (revision 4824e7fd18a1223177218d4aec1b3c6c5c4a444e) 
1 //===-- Core.cpp ----------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file implements the common infrastructure (including the C bindings)
10 // for libLLVMCore.a, which implements the LLVM intermediate representation.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "llvm-c/Core.h"
15 #include "llvm/IR/Attributes.h"
16 #include "llvm/IR/Constants.h"
17 #include "llvm/IR/DebugInfoMetadata.h"
18 #include "llvm/IR/DerivedTypes.h"
19 #include "llvm/IR/DiagnosticInfo.h"
20 #include "llvm/IR/DiagnosticPrinter.h"
21 #include "llvm/IR/GlobalAlias.h"
22 #include "llvm/IR/GlobalVariable.h"
23 #include "llvm/IR/IRBuilder.h"
24 #include "llvm/IR/InlineAsm.h"
25 #include "llvm/IR/IntrinsicInst.h"
26 #include "llvm/IR/LLVMContext.h"
27 #include "llvm/IR/LegacyPassManager.h"
28 #include "llvm/IR/Module.h"
29 #include "llvm/InitializePasses.h"
30 #include "llvm/Support/Debug.h"
31 #include "llvm/Support/ErrorHandling.h"
32 #include "llvm/Support/FileSystem.h"
33 #include "llvm/Support/ManagedStatic.h"
34 #include "llvm/Support/MemoryBuffer.h"
35 #include "llvm/Support/Threading.h"
36 #include "llvm/Support/raw_ostream.h"
37 #include <cassert>
38 #include <cstdlib>
39 #include <cstring>
40 #include <system_error>
41 
42 using namespace llvm;
43 
44 #define DEBUG_TYPE "ir"
45 
46 void llvm::initializeCore(PassRegistry &Registry) {
47   initializeDominatorTreeWrapperPassPass(Registry);
48   initializePrintModulePassWrapperPass(Registry);
49   initializePrintFunctionPassWrapperPass(Registry);
50   initializeSafepointIRVerifierPass(Registry);
51   initializeVerifierLegacyPassPass(Registry);
52 }
53 
54 void LLVMInitializeCore(LLVMPassRegistryRef R) {
55   initializeCore(*unwrap(R));
56 }
57 
58 void LLVMShutdown() {
59   llvm_shutdown();
60 }
61 
62 /*===-- Error handling ----------------------------------------------------===*/
63 
64 char *LLVMCreateMessage(const char *Message) {
65   return strdup(Message);
66 }
67 
68 void LLVMDisposeMessage(char *Message) {
69   free(Message);
70 }
71 
72 
73 /*===-- Operations on contexts --------------------------------------------===*/
74 
75 static ManagedStatic<LLVMContext> GlobalContext;
76 
77 LLVMContextRef LLVMContextCreate() {
78   return wrap(new LLVMContext());
79 }
80 
81 LLVMContextRef LLVMGetGlobalContext() { return wrap(&*GlobalContext); }
82 
83 void LLVMContextSetDiagnosticHandler(LLVMContextRef C,
84                                      LLVMDiagnosticHandler Handler,
85                                      void *DiagnosticContext) {
86   unwrap(C)->setDiagnosticHandlerCallBack(
87       LLVM_EXTENSION reinterpret_cast<DiagnosticHandler::DiagnosticHandlerTy>(
88           Handler),
89       DiagnosticContext);
90 }
91 
92 LLVMDiagnosticHandler LLVMContextGetDiagnosticHandler(LLVMContextRef C) {
93   return LLVM_EXTENSION reinterpret_cast<LLVMDiagnosticHandler>(
94       unwrap(C)->getDiagnosticHandlerCallBack());
95 }
96 
97 void *LLVMContextGetDiagnosticContext(LLVMContextRef C) {
98   return unwrap(C)->getDiagnosticContext();
99 }
100 
101 void LLVMContextSetYieldCallback(LLVMContextRef C, LLVMYieldCallback Callback,
102                                  void *OpaqueHandle) {
103   auto YieldCallback =
104     LLVM_EXTENSION reinterpret_cast<LLVMContext::YieldCallbackTy>(Callback);
105   unwrap(C)->setYieldCallback(YieldCallback, OpaqueHandle);
106 }
107 
108 LLVMBool LLVMContextShouldDiscardValueNames(LLVMContextRef C) {
109   return unwrap(C)->shouldDiscardValueNames();
110 }
111 
112 void LLVMContextSetDiscardValueNames(LLVMContextRef C, LLVMBool Discard) {
113   unwrap(C)->setDiscardValueNames(Discard);
114 }
115 
116 void LLVMContextDispose(LLVMContextRef C) {
117   delete unwrap(C);
118 }
119 
120 unsigned LLVMGetMDKindIDInContext(LLVMContextRef C, const char *Name,
121                                   unsigned SLen) {
122   return unwrap(C)->getMDKindID(StringRef(Name, SLen));
123 }
124 
125 unsigned LLVMGetMDKindID(const char *Name, unsigned SLen) {
126   return LLVMGetMDKindIDInContext(LLVMGetGlobalContext(), Name, SLen);
127 }
128 
129 unsigned LLVMGetEnumAttributeKindForName(const char *Name, size_t SLen) {
130   return Attribute::getAttrKindFromName(StringRef(Name, SLen));
131 }
132 
133 unsigned LLVMGetLastEnumAttributeKind(void) {
134   return Attribute::AttrKind::EndAttrKinds;
135 }
136 
137 LLVMAttributeRef LLVMCreateEnumAttribute(LLVMContextRef C, unsigned KindID,
138                                          uint64_t Val) {
139   auto &Ctx = *unwrap(C);
140   auto AttrKind = (Attribute::AttrKind)KindID;
141 
142   if (AttrKind == Attribute::AttrKind::ByVal) {
143     // After r362128, byval attributes need to have a type attribute. Provide a
144     // NULL one until a proper API is added for this.
145     return wrap(Attribute::getWithByValType(Ctx, NULL));
146   }
147 
148   if (AttrKind == Attribute::AttrKind::StructRet) {
149     // Same as byval.
150     return wrap(Attribute::getWithStructRetType(Ctx, NULL));
151   }
152 
153   return wrap(Attribute::get(Ctx, AttrKind, Val));
154 }
155 
156 unsigned LLVMGetEnumAttributeKind(LLVMAttributeRef A) {
157   return unwrap(A).getKindAsEnum();
158 }
159 
160 uint64_t LLVMGetEnumAttributeValue(LLVMAttributeRef A) {
161   auto Attr = unwrap(A);
162   if (Attr.isEnumAttribute())
163     return 0;
164   return Attr.getValueAsInt();
165 }
166 
167 LLVMAttributeRef LLVMCreateTypeAttribute(LLVMContextRef C, unsigned KindID,
168                                          LLVMTypeRef type_ref) {
169   auto &Ctx = *unwrap(C);
170   auto AttrKind = (Attribute::AttrKind)KindID;
171   return wrap(Attribute::get(Ctx, AttrKind, unwrap(type_ref)));
172 }
173 
174 LLVMTypeRef LLVMGetTypeAttributeValue(LLVMAttributeRef A) {
175   auto Attr = unwrap(A);
176   return wrap(Attr.getValueAsType());
177 }
178 
179 LLVMAttributeRef LLVMCreateStringAttribute(LLVMContextRef C,
180                                            const char *K, unsigned KLength,
181                                            const char *V, unsigned VLength) {
182   return wrap(Attribute::get(*unwrap(C), StringRef(K, KLength),
183                              StringRef(V, VLength)));
184 }
185 
186 const char *LLVMGetStringAttributeKind(LLVMAttributeRef A,
187                                        unsigned *Length) {
188   auto S = unwrap(A).getKindAsString();
189   *Length = S.size();
190   return S.data();
191 }
192 
193 const char *LLVMGetStringAttributeValue(LLVMAttributeRef A,
194                                         unsigned *Length) {
195   auto S = unwrap(A).getValueAsString();
196   *Length = S.size();
197   return S.data();
198 }
199 
200 LLVMBool LLVMIsEnumAttribute(LLVMAttributeRef A) {
201   auto Attr = unwrap(A);
202   return Attr.isEnumAttribute() || Attr.isIntAttribute();
203 }
204 
205 LLVMBool LLVMIsStringAttribute(LLVMAttributeRef A) {
206   return unwrap(A).isStringAttribute();
207 }
208 
209 LLVMBool LLVMIsTypeAttribute(LLVMAttributeRef A) {
210   return unwrap(A).isTypeAttribute();
211 }
212 
213 char *LLVMGetDiagInfoDescription(LLVMDiagnosticInfoRef DI) {
214   std::string MsgStorage;
215   raw_string_ostream Stream(MsgStorage);
216   DiagnosticPrinterRawOStream DP(Stream);
217 
218   unwrap(DI)->print(DP);
219   Stream.flush();
220 
221   return LLVMCreateMessage(MsgStorage.c_str());
222 }
223 
224 LLVMDiagnosticSeverity LLVMGetDiagInfoSeverity(LLVMDiagnosticInfoRef DI) {
225     LLVMDiagnosticSeverity severity;
226 
227     switch(unwrap(DI)->getSeverity()) {
228     default:
229       severity = LLVMDSError;
230       break;
231     case DS_Warning:
232       severity = LLVMDSWarning;
233       break;
234     case DS_Remark:
235       severity = LLVMDSRemark;
236       break;
237     case DS_Note:
238       severity = LLVMDSNote;
239       break;
240     }
241 
242     return severity;
243 }
244 
245 /*===-- Operations on modules ---------------------------------------------===*/
246 
247 LLVMModuleRef LLVMModuleCreateWithName(const char *ModuleID) {
248   return wrap(new Module(ModuleID, *GlobalContext));
249 }
250 
251 LLVMModuleRef LLVMModuleCreateWithNameInContext(const char *ModuleID,
252                                                 LLVMContextRef C) {
253   return wrap(new Module(ModuleID, *unwrap(C)));
254 }
255 
256 void LLVMDisposeModule(LLVMModuleRef M) {
257   delete unwrap(M);
258 }
259 
260 const char *LLVMGetModuleIdentifier(LLVMModuleRef M, size_t *Len) {
261   auto &Str = unwrap(M)->getModuleIdentifier();
262   *Len = Str.length();
263   return Str.c_str();
264 }
265 
266 void LLVMSetModuleIdentifier(LLVMModuleRef M, const char *Ident, size_t Len) {
267   unwrap(M)->setModuleIdentifier(StringRef(Ident, Len));
268 }
269 
270 const char *LLVMGetSourceFileName(LLVMModuleRef M, size_t *Len) {
271   auto &Str = unwrap(M)->getSourceFileName();
272   *Len = Str.length();
273   return Str.c_str();
274 }
275 
276 void LLVMSetSourceFileName(LLVMModuleRef M, const char *Name, size_t Len) {
277   unwrap(M)->setSourceFileName(StringRef(Name, Len));
278 }
279 
280 /*--.. Data layout .........................................................--*/
281 const char *LLVMGetDataLayoutStr(LLVMModuleRef M) {
282   return unwrap(M)->getDataLayoutStr().c_str();
283 }
284 
285 const char *LLVMGetDataLayout(LLVMModuleRef M) {
286   return LLVMGetDataLayoutStr(M);
287 }
288 
289 void LLVMSetDataLayout(LLVMModuleRef M, const char *DataLayoutStr) {
290   unwrap(M)->setDataLayout(DataLayoutStr);
291 }
292 
293 /*--.. Target triple .......................................................--*/
294 const char * LLVMGetTarget(LLVMModuleRef M) {
295   return unwrap(M)->getTargetTriple().c_str();
296 }
297 
298 void LLVMSetTarget(LLVMModuleRef M, const char *Triple) {
299   unwrap(M)->setTargetTriple(Triple);
300 }
301 
302 /*--.. Module flags ........................................................--*/
303 struct LLVMOpaqueModuleFlagEntry {
304   LLVMModuleFlagBehavior Behavior;
305   const char *Key;
306   size_t KeyLen;
307   LLVMMetadataRef Metadata;
308 };
309 
310 static Module::ModFlagBehavior
311 map_to_llvmModFlagBehavior(LLVMModuleFlagBehavior Behavior) {
312   switch (Behavior) {
313   case LLVMModuleFlagBehaviorError:
314     return Module::ModFlagBehavior::Error;
315   case LLVMModuleFlagBehaviorWarning:
316     return Module::ModFlagBehavior::Warning;
317   case LLVMModuleFlagBehaviorRequire:
318     return Module::ModFlagBehavior::Require;
319   case LLVMModuleFlagBehaviorOverride:
320     return Module::ModFlagBehavior::Override;
321   case LLVMModuleFlagBehaviorAppend:
322     return Module::ModFlagBehavior::Append;
323   case LLVMModuleFlagBehaviorAppendUnique:
324     return Module::ModFlagBehavior::AppendUnique;
325   }
326   llvm_unreachable("Unknown LLVMModuleFlagBehavior");
327 }
328 
329 static LLVMModuleFlagBehavior
330 map_from_llvmModFlagBehavior(Module::ModFlagBehavior Behavior) {
331   switch (Behavior) {
332   case Module::ModFlagBehavior::Error:
333     return LLVMModuleFlagBehaviorError;
334   case Module::ModFlagBehavior::Warning:
335     return LLVMModuleFlagBehaviorWarning;
336   case Module::ModFlagBehavior::Require:
337     return LLVMModuleFlagBehaviorRequire;
338   case Module::ModFlagBehavior::Override:
339     return LLVMModuleFlagBehaviorOverride;
340   case Module::ModFlagBehavior::Append:
341     return LLVMModuleFlagBehaviorAppend;
342   case Module::ModFlagBehavior::AppendUnique:
343     return LLVMModuleFlagBehaviorAppendUnique;
344   default:
345     llvm_unreachable("Unhandled Flag Behavior");
346   }
347 }
348 
349 LLVMModuleFlagEntry *LLVMCopyModuleFlagsMetadata(LLVMModuleRef M, size_t *Len) {
350   SmallVector<Module::ModuleFlagEntry, 8> MFEs;
351   unwrap(M)->getModuleFlagsMetadata(MFEs);
352 
353   LLVMOpaqueModuleFlagEntry *Result = static_cast<LLVMOpaqueModuleFlagEntry *>(
354       safe_malloc(MFEs.size() * sizeof(LLVMOpaqueModuleFlagEntry)));
355   for (unsigned i = 0; i < MFEs.size(); ++i) {
356     const auto &ModuleFlag = MFEs[i];
357     Result[i].Behavior = map_from_llvmModFlagBehavior(ModuleFlag.Behavior);
358     Result[i].Key = ModuleFlag.Key->getString().data();
359     Result[i].KeyLen = ModuleFlag.Key->getString().size();
360     Result[i].Metadata = wrap(ModuleFlag.Val);
361   }
362   *Len = MFEs.size();
363   return Result;
364 }
365 
366 void LLVMDisposeModuleFlagsMetadata(LLVMModuleFlagEntry *Entries) {
367   free(Entries);
368 }
369 
370 LLVMModuleFlagBehavior
371 LLVMModuleFlagEntriesGetFlagBehavior(LLVMModuleFlagEntry *Entries,
372                                      unsigned Index) {
373   LLVMOpaqueModuleFlagEntry MFE =
374       static_cast<LLVMOpaqueModuleFlagEntry>(Entries[Index]);
375   return MFE.Behavior;
376 }
377 
378 const char *LLVMModuleFlagEntriesGetKey(LLVMModuleFlagEntry *Entries,
379                                         unsigned Index, size_t *Len) {
380   LLVMOpaqueModuleFlagEntry MFE =
381       static_cast<LLVMOpaqueModuleFlagEntry>(Entries[Index]);
382   *Len = MFE.KeyLen;
383   return MFE.Key;
384 }
385 
386 LLVMMetadataRef LLVMModuleFlagEntriesGetMetadata(LLVMModuleFlagEntry *Entries,
387                                                  unsigned Index) {
388   LLVMOpaqueModuleFlagEntry MFE =
389       static_cast<LLVMOpaqueModuleFlagEntry>(Entries[Index]);
390   return MFE.Metadata;
391 }
392 
393 LLVMMetadataRef LLVMGetModuleFlag(LLVMModuleRef M,
394                                   const char *Key, size_t KeyLen) {
395   return wrap(unwrap(M)->getModuleFlag({Key, KeyLen}));
396 }
397 
398 void LLVMAddModuleFlag(LLVMModuleRef M, LLVMModuleFlagBehavior Behavior,
399                        const char *Key, size_t KeyLen,
400                        LLVMMetadataRef Val) {
401   unwrap(M)->addModuleFlag(map_to_llvmModFlagBehavior(Behavior),
402                            {Key, KeyLen}, unwrap(Val));
403 }
404 
405 /*--.. Printing modules ....................................................--*/
406 
407 void LLVMDumpModule(LLVMModuleRef M) {
408   unwrap(M)->print(errs(), nullptr,
409                    /*ShouldPreserveUseListOrder=*/false, /*IsForDebug=*/true);
410 }
411 
412 LLVMBool LLVMPrintModuleToFile(LLVMModuleRef M, const char *Filename,
413                                char **ErrorMessage) {
414   std::error_code EC;
415   raw_fd_ostream dest(Filename, EC, sys::fs::OF_TextWithCRLF);
416   if (EC) {
417     *ErrorMessage = strdup(EC.message().c_str());
418     return true;
419   }
420 
421   unwrap(M)->print(dest, nullptr);
422 
423   dest.close();
424 
425   if (dest.has_error()) {
426     std::string E = "Error printing to file: " + dest.error().message();
427     *ErrorMessage = strdup(E.c_str());
428     return true;
429   }
430 
431   return false;
432 }
433 
434 char *LLVMPrintModuleToString(LLVMModuleRef M) {
435   std::string buf;
436   raw_string_ostream os(buf);
437 
438   unwrap(M)->print(os, nullptr);
439   os.flush();
440 
441   return strdup(buf.c_str());
442 }
443 
444 /*--.. Operations on inline assembler ......................................--*/
445 void LLVMSetModuleInlineAsm2(LLVMModuleRef M, const char *Asm, size_t Len) {
446   unwrap(M)->setModuleInlineAsm(StringRef(Asm, Len));
447 }
448 
449 void LLVMSetModuleInlineAsm(LLVMModuleRef M, const char *Asm) {
450   unwrap(M)->setModuleInlineAsm(StringRef(Asm));
451 }
452 
453 void LLVMAppendModuleInlineAsm(LLVMModuleRef M, const char *Asm, size_t Len) {
454   unwrap(M)->appendModuleInlineAsm(StringRef(Asm, Len));
455 }
456 
457 const char *LLVMGetModuleInlineAsm(LLVMModuleRef M, size_t *Len) {
458   auto &Str = unwrap(M)->getModuleInlineAsm();
459   *Len = Str.length();
460   return Str.c_str();
461 }
462 
463 LLVMValueRef LLVMGetInlineAsm(LLVMTypeRef Ty, char *AsmString,
464                               size_t AsmStringSize, char *Constraints,
465                               size_t ConstraintsSize, LLVMBool HasSideEffects,
466                               LLVMBool IsAlignStack,
467                               LLVMInlineAsmDialect Dialect, LLVMBool CanThrow) {
468   InlineAsm::AsmDialect AD;
469   switch (Dialect) {
470   case LLVMInlineAsmDialectATT:
471     AD = InlineAsm::AD_ATT;
472     break;
473   case LLVMInlineAsmDialectIntel:
474     AD = InlineAsm::AD_Intel;
475     break;
476   }
477   return wrap(InlineAsm::get(unwrap<FunctionType>(Ty),
478                              StringRef(AsmString, AsmStringSize),
479                              StringRef(Constraints, ConstraintsSize),
480                              HasSideEffects, IsAlignStack, AD, CanThrow));
481 }
482 
483 /*--.. Operations on module contexts ......................................--*/
484 LLVMContextRef LLVMGetModuleContext(LLVMModuleRef M) {
485   return wrap(&unwrap(M)->getContext());
486 }
487 
488 
489 /*===-- Operations on types -----------------------------------------------===*/
490 
491 /*--.. Operations on all types (mostly) ....................................--*/
492 
493 LLVMTypeKind LLVMGetTypeKind(LLVMTypeRef Ty) {
494   switch (unwrap(Ty)->getTypeID()) {
495   case Type::VoidTyID:
496     return LLVMVoidTypeKind;
497   case Type::HalfTyID:
498     return LLVMHalfTypeKind;
499   case Type::BFloatTyID:
500     return LLVMBFloatTypeKind;
501   case Type::FloatTyID:
502     return LLVMFloatTypeKind;
503   case Type::DoubleTyID:
504     return LLVMDoubleTypeKind;
505   case Type::X86_FP80TyID:
506     return LLVMX86_FP80TypeKind;
507   case Type::FP128TyID:
508     return LLVMFP128TypeKind;
509   case Type::PPC_FP128TyID:
510     return LLVMPPC_FP128TypeKind;
511   case Type::LabelTyID:
512     return LLVMLabelTypeKind;
513   case Type::MetadataTyID:
514     return LLVMMetadataTypeKind;
515   case Type::IntegerTyID:
516     return LLVMIntegerTypeKind;
517   case Type::FunctionTyID:
518     return LLVMFunctionTypeKind;
519   case Type::StructTyID:
520     return LLVMStructTypeKind;
521   case Type::ArrayTyID:
522     return LLVMArrayTypeKind;
523   case Type::PointerTyID:
524     return LLVMPointerTypeKind;
525   case Type::FixedVectorTyID:
526     return LLVMVectorTypeKind;
527   case Type::X86_MMXTyID:
528     return LLVMX86_MMXTypeKind;
529   case Type::X86_AMXTyID:
530     return LLVMX86_AMXTypeKind;
531   case Type::TokenTyID:
532     return LLVMTokenTypeKind;
533   case Type::ScalableVectorTyID:
534     return LLVMScalableVectorTypeKind;
535   }
536   llvm_unreachable("Unhandled TypeID.");
537 }
538 
539 LLVMBool LLVMTypeIsSized(LLVMTypeRef Ty)
540 {
541     return unwrap(Ty)->isSized();
542 }
543 
544 LLVMContextRef LLVMGetTypeContext(LLVMTypeRef Ty) {
545   return wrap(&unwrap(Ty)->getContext());
546 }
547 
548 void LLVMDumpType(LLVMTypeRef Ty) {
549   return unwrap(Ty)->print(errs(), /*IsForDebug=*/true);
550 }
551 
552 char *LLVMPrintTypeToString(LLVMTypeRef Ty) {
553   std::string buf;
554   raw_string_ostream os(buf);
555 
556   if (unwrap(Ty))
557     unwrap(Ty)->print(os);
558   else
559     os << "Printing <null> Type";
560 
561   os.flush();
562 
563   return strdup(buf.c_str());
564 }
565 
566 /*--.. Operations on integer types .........................................--*/
567 
568 LLVMTypeRef LLVMInt1TypeInContext(LLVMContextRef C)  {
569   return (LLVMTypeRef) Type::getInt1Ty(*unwrap(C));
570 }
571 LLVMTypeRef LLVMInt8TypeInContext(LLVMContextRef C)  {
572   return (LLVMTypeRef) Type::getInt8Ty(*unwrap(C));
573 }
574 LLVMTypeRef LLVMInt16TypeInContext(LLVMContextRef C) {
575   return (LLVMTypeRef) Type::getInt16Ty(*unwrap(C));
576 }
577 LLVMTypeRef LLVMInt32TypeInContext(LLVMContextRef C) {
578   return (LLVMTypeRef) Type::getInt32Ty(*unwrap(C));
579 }
580 LLVMTypeRef LLVMInt64TypeInContext(LLVMContextRef C) {
581   return (LLVMTypeRef) Type::getInt64Ty(*unwrap(C));
582 }
583 LLVMTypeRef LLVMInt128TypeInContext(LLVMContextRef C) {
584   return (LLVMTypeRef) Type::getInt128Ty(*unwrap(C));
585 }
586 LLVMTypeRef LLVMIntTypeInContext(LLVMContextRef C, unsigned NumBits) {
587   return wrap(IntegerType::get(*unwrap(C), NumBits));
588 }
589 
590 LLVMTypeRef LLVMInt1Type(void)  {
591   return LLVMInt1TypeInContext(LLVMGetGlobalContext());
592 }
593 LLVMTypeRef LLVMInt8Type(void)  {
594   return LLVMInt8TypeInContext(LLVMGetGlobalContext());
595 }
596 LLVMTypeRef LLVMInt16Type(void) {
597   return LLVMInt16TypeInContext(LLVMGetGlobalContext());
598 }
599 LLVMTypeRef LLVMInt32Type(void) {
600   return LLVMInt32TypeInContext(LLVMGetGlobalContext());
601 }
602 LLVMTypeRef LLVMInt64Type(void) {
603   return LLVMInt64TypeInContext(LLVMGetGlobalContext());
604 }
605 LLVMTypeRef LLVMInt128Type(void) {
606   return LLVMInt128TypeInContext(LLVMGetGlobalContext());
607 }
608 LLVMTypeRef LLVMIntType(unsigned NumBits) {
609   return LLVMIntTypeInContext(LLVMGetGlobalContext(), NumBits);
610 }
611 
612 unsigned LLVMGetIntTypeWidth(LLVMTypeRef IntegerTy) {
613   return unwrap<IntegerType>(IntegerTy)->getBitWidth();
614 }
615 
616 /*--.. Operations on real types ............................................--*/
617 
618 LLVMTypeRef LLVMHalfTypeInContext(LLVMContextRef C) {
619   return (LLVMTypeRef) Type::getHalfTy(*unwrap(C));
620 }
621 LLVMTypeRef LLVMBFloatTypeInContext(LLVMContextRef C) {
622   return (LLVMTypeRef) Type::getBFloatTy(*unwrap(C));
623 }
624 LLVMTypeRef LLVMFloatTypeInContext(LLVMContextRef C) {
625   return (LLVMTypeRef) Type::getFloatTy(*unwrap(C));
626 }
627 LLVMTypeRef LLVMDoubleTypeInContext(LLVMContextRef C) {
628   return (LLVMTypeRef) Type::getDoubleTy(*unwrap(C));
629 }
630 LLVMTypeRef LLVMX86FP80TypeInContext(LLVMContextRef C) {
631   return (LLVMTypeRef) Type::getX86_FP80Ty(*unwrap(C));
632 }
633 LLVMTypeRef LLVMFP128TypeInContext(LLVMContextRef C) {
634   return (LLVMTypeRef) Type::getFP128Ty(*unwrap(C));
635 }
636 LLVMTypeRef LLVMPPCFP128TypeInContext(LLVMContextRef C) {
637   return (LLVMTypeRef) Type::getPPC_FP128Ty(*unwrap(C));
638 }
639 LLVMTypeRef LLVMX86MMXTypeInContext(LLVMContextRef C) {
640   return (LLVMTypeRef) Type::getX86_MMXTy(*unwrap(C));
641 }
642 LLVMTypeRef LLVMX86AMXTypeInContext(LLVMContextRef C) {
643   return (LLVMTypeRef) Type::getX86_AMXTy(*unwrap(C));
644 }
645 
646 LLVMTypeRef LLVMHalfType(void) {
647   return LLVMHalfTypeInContext(LLVMGetGlobalContext());
648 }
649 LLVMTypeRef LLVMBFloatType(void) {
650   return LLVMBFloatTypeInContext(LLVMGetGlobalContext());
651 }
652 LLVMTypeRef LLVMFloatType(void) {
653   return LLVMFloatTypeInContext(LLVMGetGlobalContext());
654 }
655 LLVMTypeRef LLVMDoubleType(void) {
656   return LLVMDoubleTypeInContext(LLVMGetGlobalContext());
657 }
658 LLVMTypeRef LLVMX86FP80Type(void) {
659   return LLVMX86FP80TypeInContext(LLVMGetGlobalContext());
660 }
661 LLVMTypeRef LLVMFP128Type(void) {
662   return LLVMFP128TypeInContext(LLVMGetGlobalContext());
663 }
664 LLVMTypeRef LLVMPPCFP128Type(void) {
665   return LLVMPPCFP128TypeInContext(LLVMGetGlobalContext());
666 }
667 LLVMTypeRef LLVMX86MMXType(void) {
668   return LLVMX86MMXTypeInContext(LLVMGetGlobalContext());
669 }
670 LLVMTypeRef LLVMX86AMXType(void) {
671   return LLVMX86AMXTypeInContext(LLVMGetGlobalContext());
672 }
673 
674 /*--.. Operations on function types ........................................--*/
675 
676 LLVMTypeRef LLVMFunctionType(LLVMTypeRef ReturnType,
677                              LLVMTypeRef *ParamTypes, unsigned ParamCount,
678                              LLVMBool IsVarArg) {
679   ArrayRef<Type*> Tys(unwrap(ParamTypes), ParamCount);
680   return wrap(FunctionType::get(unwrap(ReturnType), Tys, IsVarArg != 0));
681 }
682 
683 LLVMBool LLVMIsFunctionVarArg(LLVMTypeRef FunctionTy) {
684   return unwrap<FunctionType>(FunctionTy)->isVarArg();
685 }
686 
687 LLVMTypeRef LLVMGetReturnType(LLVMTypeRef FunctionTy) {
688   return wrap(unwrap<FunctionType>(FunctionTy)->getReturnType());
689 }
690 
691 unsigned LLVMCountParamTypes(LLVMTypeRef FunctionTy) {
692   return unwrap<FunctionType>(FunctionTy)->getNumParams();
693 }
694 
695 void LLVMGetParamTypes(LLVMTypeRef FunctionTy, LLVMTypeRef *Dest) {
696   FunctionType *Ty = unwrap<FunctionType>(FunctionTy);
697   for (Type *T : Ty->params())
698     *Dest++ = wrap(T);
699 }
700 
701 /*--.. Operations on struct types ..........................................--*/
702 
703 LLVMTypeRef LLVMStructTypeInContext(LLVMContextRef C, LLVMTypeRef *ElementTypes,
704                            unsigned ElementCount, LLVMBool Packed) {
705   ArrayRef<Type*> Tys(unwrap(ElementTypes), ElementCount);
706   return wrap(StructType::get(*unwrap(C), Tys, Packed != 0));
707 }
708 
709 LLVMTypeRef LLVMStructType(LLVMTypeRef *ElementTypes,
710                            unsigned ElementCount, LLVMBool Packed) {
711   return LLVMStructTypeInContext(LLVMGetGlobalContext(), ElementTypes,
712                                  ElementCount, Packed);
713 }
714 
715 LLVMTypeRef LLVMStructCreateNamed(LLVMContextRef C, const char *Name)
716 {
717   return wrap(StructType::create(*unwrap(C), Name));
718 }
719 
720 const char *LLVMGetStructName(LLVMTypeRef Ty)
721 {
722   StructType *Type = unwrap<StructType>(Ty);
723   if (!Type->hasName())
724     return nullptr;
725   return Type->getName().data();
726 }
727 
728 void LLVMStructSetBody(LLVMTypeRef StructTy, LLVMTypeRef *ElementTypes,
729                        unsigned ElementCount, LLVMBool Packed) {
730   ArrayRef<Type*> Tys(unwrap(ElementTypes), ElementCount);
731   unwrap<StructType>(StructTy)->setBody(Tys, Packed != 0);
732 }
733 
734 unsigned LLVMCountStructElementTypes(LLVMTypeRef StructTy) {
735   return unwrap<StructType>(StructTy)->getNumElements();
736 }
737 
738 void LLVMGetStructElementTypes(LLVMTypeRef StructTy, LLVMTypeRef *Dest) {
739   StructType *Ty = unwrap<StructType>(StructTy);
740   for (Type *T : Ty->elements())
741     *Dest++ = wrap(T);
742 }
743 
744 LLVMTypeRef LLVMStructGetTypeAtIndex(LLVMTypeRef StructTy, unsigned i) {
745   StructType *Ty = unwrap<StructType>(StructTy);
746   return wrap(Ty->getTypeAtIndex(i));
747 }
748 
749 LLVMBool LLVMIsPackedStruct(LLVMTypeRef StructTy) {
750   return unwrap<StructType>(StructTy)->isPacked();
751 }
752 
753 LLVMBool LLVMIsOpaqueStruct(LLVMTypeRef StructTy) {
754   return unwrap<StructType>(StructTy)->isOpaque();
755 }
756 
757 LLVMBool LLVMIsLiteralStruct(LLVMTypeRef StructTy) {
758   return unwrap<StructType>(StructTy)->isLiteral();
759 }
760 
761 LLVMTypeRef LLVMGetTypeByName(LLVMModuleRef M, const char *Name) {
762   return wrap(StructType::getTypeByName(unwrap(M)->getContext(), Name));
763 }
764 
765 LLVMTypeRef LLVMGetTypeByName2(LLVMContextRef C, const char *Name) {
766   return wrap(StructType::getTypeByName(*unwrap(C), Name));
767 }
768 
769 /*--.. Operations on array, pointer, and vector types (sequence types) .....--*/
770 
771 void LLVMGetSubtypes(LLVMTypeRef Tp, LLVMTypeRef *Arr) {
772     int i = 0;
773     for (auto *T : unwrap(Tp)->subtypes()) {
774         Arr[i] = wrap(T);
775         i++;
776     }
777 }
778 
779 LLVMTypeRef LLVMArrayType(LLVMTypeRef ElementType, unsigned ElementCount) {
780   return wrap(ArrayType::get(unwrap(ElementType), ElementCount));
781 }
782 
783 LLVMTypeRef LLVMPointerType(LLVMTypeRef ElementType, unsigned AddressSpace) {
784   return wrap(PointerType::get(unwrap(ElementType), AddressSpace));
785 }
786 
787 LLVMTypeRef LLVMVectorType(LLVMTypeRef ElementType, unsigned ElementCount) {
788   return wrap(FixedVectorType::get(unwrap(ElementType), ElementCount));
789 }
790 
791 LLVMTypeRef LLVMScalableVectorType(LLVMTypeRef ElementType,
792                                    unsigned ElementCount) {
793   return wrap(ScalableVectorType::get(unwrap(ElementType), ElementCount));
794 }
795 
796 LLVMTypeRef LLVMGetElementType(LLVMTypeRef WrappedTy) {
797   auto *Ty = unwrap<Type>(WrappedTy);
798   if (auto *PTy = dyn_cast<PointerType>(Ty))
799     return wrap(PTy->getElementType());
800   if (auto *ATy = dyn_cast<ArrayType>(Ty))
801     return wrap(ATy->getElementType());
802   return wrap(cast<VectorType>(Ty)->getElementType());
803 }
804 
805 unsigned LLVMGetNumContainedTypes(LLVMTypeRef Tp) {
806     return unwrap(Tp)->getNumContainedTypes();
807 }
808 
809 unsigned LLVMGetArrayLength(LLVMTypeRef ArrayTy) {
810   return unwrap<ArrayType>(ArrayTy)->getNumElements();
811 }
812 
813 unsigned LLVMGetPointerAddressSpace(LLVMTypeRef PointerTy) {
814   return unwrap<PointerType>(PointerTy)->getAddressSpace();
815 }
816 
817 unsigned LLVMGetVectorSize(LLVMTypeRef VectorTy) {
818   return unwrap<VectorType>(VectorTy)->getElementCount().getKnownMinValue();
819 }
820 
821 /*--.. Operations on other types ...........................................--*/
822 
823 LLVMTypeRef LLVMVoidTypeInContext(LLVMContextRef C)  {
824   return wrap(Type::getVoidTy(*unwrap(C)));
825 }
826 LLVMTypeRef LLVMLabelTypeInContext(LLVMContextRef C) {
827   return wrap(Type::getLabelTy(*unwrap(C)));
828 }
829 LLVMTypeRef LLVMTokenTypeInContext(LLVMContextRef C) {
830   return wrap(Type::getTokenTy(*unwrap(C)));
831 }
832 LLVMTypeRef LLVMMetadataTypeInContext(LLVMContextRef C) {
833   return wrap(Type::getMetadataTy(*unwrap(C)));
834 }
835 
836 LLVMTypeRef LLVMVoidType(void)  {
837   return LLVMVoidTypeInContext(LLVMGetGlobalContext());
838 }
839 LLVMTypeRef LLVMLabelType(void) {
840   return LLVMLabelTypeInContext(LLVMGetGlobalContext());
841 }
842 
843 /*===-- Operations on values ----------------------------------------------===*/
844 
845 /*--.. Operations on all values ............................................--*/
846 
847 LLVMTypeRef LLVMTypeOf(LLVMValueRef Val) {
848   return wrap(unwrap(Val)->getType());
849 }
850 
851 LLVMValueKind LLVMGetValueKind(LLVMValueRef Val) {
852     switch(unwrap(Val)->getValueID()) {
853 #define LLVM_C_API 1
854 #define HANDLE_VALUE(Name) \
855   case Value::Name##Val: \
856     return LLVM##Name##ValueKind;
857 #include "llvm/IR/Value.def"
858   default:
859     return LLVMInstructionValueKind;
860   }
861 }
862 
863 const char *LLVMGetValueName2(LLVMValueRef Val, size_t *Length) {
864   auto *V = unwrap(Val);
865   *Length = V->getName().size();
866   return V->getName().data();
867 }
868 
869 void LLVMSetValueName2(LLVMValueRef Val, const char *Name, size_t NameLen) {
870   unwrap(Val)->setName(StringRef(Name, NameLen));
871 }
872 
873 const char *LLVMGetValueName(LLVMValueRef Val) {
874   return unwrap(Val)->getName().data();
875 }
876 
877 void LLVMSetValueName(LLVMValueRef Val, const char *Name) {
878   unwrap(Val)->setName(Name);
879 }
880 
881 void LLVMDumpValue(LLVMValueRef Val) {
882   unwrap(Val)->print(errs(), /*IsForDebug=*/true);
883 }
884 
885 char* LLVMPrintValueToString(LLVMValueRef Val) {
886   std::string buf;
887   raw_string_ostream os(buf);
888 
889   if (unwrap(Val))
890     unwrap(Val)->print(os);
891   else
892     os << "Printing <null> Value";
893 
894   os.flush();
895 
896   return strdup(buf.c_str());
897 }
898 
899 void LLVMReplaceAllUsesWith(LLVMValueRef OldVal, LLVMValueRef NewVal) {
900   unwrap(OldVal)->replaceAllUsesWith(unwrap(NewVal));
901 }
902 
903 int LLVMHasMetadata(LLVMValueRef Inst) {
904   return unwrap<Instruction>(Inst)->hasMetadata();
905 }
906 
907 LLVMValueRef LLVMGetMetadata(LLVMValueRef Inst, unsigned KindID) {
908   auto *I = unwrap<Instruction>(Inst);
909   assert(I && "Expected instruction");
910   if (auto *MD = I->getMetadata(KindID))
911     return wrap(MetadataAsValue::get(I->getContext(), MD));
912   return nullptr;
913 }
914 
915 // MetadataAsValue uses a canonical format which strips the actual MDNode for
916 // MDNode with just a single constant value, storing just a ConstantAsMetadata
917 // This undoes this canonicalization, reconstructing the MDNode.
918 static MDNode *extractMDNode(MetadataAsValue *MAV) {
919   Metadata *MD = MAV->getMetadata();
920   assert((isa<MDNode>(MD) || isa<ConstantAsMetadata>(MD)) &&
921       "Expected a metadata node or a canonicalized constant");
922 
923   if (MDNode *N = dyn_cast<MDNode>(MD))
924     return N;
925 
926   return MDNode::get(MAV->getContext(), MD);
927 }
928 
929 void LLVMSetMetadata(LLVMValueRef Inst, unsigned KindID, LLVMValueRef Val) {
930   MDNode *N = Val ? extractMDNode(unwrap<MetadataAsValue>(Val)) : nullptr;
931 
932   unwrap<Instruction>(Inst)->setMetadata(KindID, N);
933 }
934 
935 struct LLVMOpaqueValueMetadataEntry {
936   unsigned Kind;
937   LLVMMetadataRef Metadata;
938 };
939 
940 using MetadataEntries = SmallVectorImpl<std::pair<unsigned, MDNode *>>;
941 static LLVMValueMetadataEntry *
942 llvm_getMetadata(size_t *NumEntries,
943                  llvm::function_ref<void(MetadataEntries &)> AccessMD) {
944   SmallVector<std::pair<unsigned, MDNode *>, 8> MVEs;
945   AccessMD(MVEs);
946 
947   LLVMOpaqueValueMetadataEntry *Result =
948   static_cast<LLVMOpaqueValueMetadataEntry *>(
949                                               safe_malloc(MVEs.size() * sizeof(LLVMOpaqueValueMetadataEntry)));
950   for (unsigned i = 0; i < MVEs.size(); ++i) {
951     const auto &ModuleFlag = MVEs[i];
952     Result[i].Kind = ModuleFlag.first;
953     Result[i].Metadata = wrap(ModuleFlag.second);
954   }
955   *NumEntries = MVEs.size();
956   return Result;
957 }
958 
959 LLVMValueMetadataEntry *
960 LLVMInstructionGetAllMetadataOtherThanDebugLoc(LLVMValueRef Value,
961                                                size_t *NumEntries) {
962   return llvm_getMetadata(NumEntries, [&Value](MetadataEntries &Entries) {
963     Entries.clear();
964     unwrap<Instruction>(Value)->getAllMetadata(Entries);
965   });
966 }
967 
968 /*--.. Conversion functions ................................................--*/
969 
970 #define LLVM_DEFINE_VALUE_CAST(name)                                       \
971   LLVMValueRef LLVMIsA##name(LLVMValueRef Val) {                           \
972     return wrap(static_cast<Value*>(dyn_cast_or_null<name>(unwrap(Val)))); \
973   }
974 
975 LLVM_FOR_EACH_VALUE_SUBCLASS(LLVM_DEFINE_VALUE_CAST)
976 
977 LLVMValueRef LLVMIsAMDNode(LLVMValueRef Val) {
978   if (auto *MD = dyn_cast_or_null<MetadataAsValue>(unwrap(Val)))
979     if (isa<MDNode>(MD->getMetadata()) ||
980         isa<ValueAsMetadata>(MD->getMetadata()))
981       return Val;
982   return nullptr;
983 }
984 
985 LLVMValueRef LLVMIsAMDString(LLVMValueRef Val) {
986   if (auto *MD = dyn_cast_or_null<MetadataAsValue>(unwrap(Val)))
987     if (isa<MDString>(MD->getMetadata()))
988       return Val;
989   return nullptr;
990 }
991 
992 /*--.. Operations on Uses ..................................................--*/
993 LLVMUseRef LLVMGetFirstUse(LLVMValueRef Val) {
994   Value *V = unwrap(Val);
995   Value::use_iterator I = V->use_begin();
996   if (I == V->use_end())
997     return nullptr;
998   return wrap(&*I);
999 }
1000 
1001 LLVMUseRef LLVMGetNextUse(LLVMUseRef U) {
1002   Use *Next = unwrap(U)->getNext();
1003   if (Next)
1004     return wrap(Next);
1005   return nullptr;
1006 }
1007 
1008 LLVMValueRef LLVMGetUser(LLVMUseRef U) {
1009   return wrap(unwrap(U)->getUser());
1010 }
1011 
1012 LLVMValueRef LLVMGetUsedValue(LLVMUseRef U) {
1013   return wrap(unwrap(U)->get());
1014 }
1015 
1016 /*--.. Operations on Users .................................................--*/
1017 
1018 static LLVMValueRef getMDNodeOperandImpl(LLVMContext &Context, const MDNode *N,
1019                                          unsigned Index) {
1020   Metadata *Op = N->getOperand(Index);
1021   if (!Op)
1022     return nullptr;
1023   if (auto *C = dyn_cast<ConstantAsMetadata>(Op))
1024     return wrap(C->getValue());
1025   return wrap(MetadataAsValue::get(Context, Op));
1026 }
1027 
1028 LLVMValueRef LLVMGetOperand(LLVMValueRef Val, unsigned Index) {
1029   Value *V = unwrap(Val);
1030   if (auto *MD = dyn_cast<MetadataAsValue>(V)) {
1031     if (auto *L = dyn_cast<ValueAsMetadata>(MD->getMetadata())) {
1032       assert(Index == 0 && "Function-local metadata can only have one operand");
1033       return wrap(L->getValue());
1034     }
1035     return getMDNodeOperandImpl(V->getContext(),
1036                                 cast<MDNode>(MD->getMetadata()), Index);
1037   }
1038 
1039   return wrap(cast<User>(V)->getOperand(Index));
1040 }
1041 
1042 LLVMUseRef LLVMGetOperandUse(LLVMValueRef Val, unsigned Index) {
1043   Value *V = unwrap(Val);
1044   return wrap(&cast<User>(V)->getOperandUse(Index));
1045 }
1046 
1047 void LLVMSetOperand(LLVMValueRef Val, unsigned Index, LLVMValueRef Op) {
1048   unwrap<User>(Val)->setOperand(Index, unwrap(Op));
1049 }
1050 
1051 int LLVMGetNumOperands(LLVMValueRef Val) {
1052   Value *V = unwrap(Val);
1053   if (isa<MetadataAsValue>(V))
1054     return LLVMGetMDNodeNumOperands(Val);
1055 
1056   return cast<User>(V)->getNumOperands();
1057 }
1058 
1059 /*--.. Operations on constants of any type .................................--*/
1060 
1061 LLVMValueRef LLVMConstNull(LLVMTypeRef Ty) {
1062   return wrap(Constant::getNullValue(unwrap(Ty)));
1063 }
1064 
1065 LLVMValueRef LLVMConstAllOnes(LLVMTypeRef Ty) {
1066   return wrap(Constant::getAllOnesValue(unwrap(Ty)));
1067 }
1068 
1069 LLVMValueRef LLVMGetUndef(LLVMTypeRef Ty) {
1070   return wrap(UndefValue::get(unwrap(Ty)));
1071 }
1072 
1073 LLVMValueRef LLVMGetPoison(LLVMTypeRef Ty) {
1074   return wrap(PoisonValue::get(unwrap(Ty)));
1075 }
1076 
1077 LLVMBool LLVMIsConstant(LLVMValueRef Ty) {
1078   return isa<Constant>(unwrap(Ty));
1079 }
1080 
1081 LLVMBool LLVMIsNull(LLVMValueRef Val) {
1082   if (Constant *C = dyn_cast<Constant>(unwrap(Val)))
1083     return C->isNullValue();
1084   return false;
1085 }
1086 
1087 LLVMBool LLVMIsUndef(LLVMValueRef Val) {
1088   return isa<UndefValue>(unwrap(Val));
1089 }
1090 
1091 LLVMBool LLVMIsPoison(LLVMValueRef Val) {
1092   return isa<PoisonValue>(unwrap(Val));
1093 }
1094 
1095 LLVMValueRef LLVMConstPointerNull(LLVMTypeRef Ty) {
1096   return wrap(ConstantPointerNull::get(unwrap<PointerType>(Ty)));
1097 }
1098 
1099 /*--.. Operations on metadata nodes ........................................--*/
1100 
1101 LLVMMetadataRef LLVMMDStringInContext2(LLVMContextRef C, const char *Str,
1102                                        size_t SLen) {
1103   return wrap(MDString::get(*unwrap(C), StringRef(Str, SLen)));
1104 }
1105 
1106 LLVMMetadataRef LLVMMDNodeInContext2(LLVMContextRef C, LLVMMetadataRef *MDs,
1107                                      size_t Count) {
1108   return wrap(MDNode::get(*unwrap(C), ArrayRef<Metadata*>(unwrap(MDs), Count)));
1109 }
1110 
1111 LLVMValueRef LLVMMDStringInContext(LLVMContextRef C, const char *Str,
1112                                    unsigned SLen) {
1113   LLVMContext &Context = *unwrap(C);
1114   return wrap(MetadataAsValue::get(
1115       Context, MDString::get(Context, StringRef(Str, SLen))));
1116 }
1117 
1118 LLVMValueRef LLVMMDString(const char *Str, unsigned SLen) {
1119   return LLVMMDStringInContext(LLVMGetGlobalContext(), Str, SLen);
1120 }
1121 
1122 LLVMValueRef LLVMMDNodeInContext(LLVMContextRef C, LLVMValueRef *Vals,
1123                                  unsigned Count) {
1124   LLVMContext &Context = *unwrap(C);
1125   SmallVector<Metadata *, 8> MDs;
1126   for (auto *OV : makeArrayRef(Vals, Count)) {
1127     Value *V = unwrap(OV);
1128     Metadata *MD;
1129     if (!V)
1130       MD = nullptr;
1131     else if (auto *C = dyn_cast<Constant>(V))
1132       MD = ConstantAsMetadata::get(C);
1133     else if (auto *MDV = dyn_cast<MetadataAsValue>(V)) {
1134       MD = MDV->getMetadata();
1135       assert(!isa<LocalAsMetadata>(MD) && "Unexpected function-local metadata "
1136                                           "outside of direct argument to call");
1137     } else {
1138       // This is function-local metadata.  Pretend to make an MDNode.
1139       assert(Count == 1 &&
1140              "Expected only one operand to function-local metadata");
1141       return wrap(MetadataAsValue::get(Context, LocalAsMetadata::get(V)));
1142     }
1143 
1144     MDs.push_back(MD);
1145   }
1146   return wrap(MetadataAsValue::get(Context, MDNode::get(Context, MDs)));
1147 }
1148 
1149 LLVMValueRef LLVMMDNode(LLVMValueRef *Vals, unsigned Count) {
1150   return LLVMMDNodeInContext(LLVMGetGlobalContext(), Vals, Count);
1151 }
1152 
1153 LLVMValueRef LLVMMetadataAsValue(LLVMContextRef C, LLVMMetadataRef MD) {
1154   return wrap(MetadataAsValue::get(*unwrap(C), unwrap(MD)));
1155 }
1156 
1157 LLVMMetadataRef LLVMValueAsMetadata(LLVMValueRef Val) {
1158   auto *V = unwrap(Val);
1159   if (auto *C = dyn_cast<Constant>(V))
1160     return wrap(ConstantAsMetadata::get(C));
1161   if (auto *MAV = dyn_cast<MetadataAsValue>(V))
1162     return wrap(MAV->getMetadata());
1163   return wrap(ValueAsMetadata::get(V));
1164 }
1165 
1166 const char *LLVMGetMDString(LLVMValueRef V, unsigned *Length) {
1167   if (const auto *MD = dyn_cast<MetadataAsValue>(unwrap(V)))
1168     if (const MDString *S = dyn_cast<MDString>(MD->getMetadata())) {
1169       *Length = S->getString().size();
1170       return S->getString().data();
1171     }
1172   *Length = 0;
1173   return nullptr;
1174 }
1175 
1176 unsigned LLVMGetMDNodeNumOperands(LLVMValueRef V) {
1177   auto *MD = cast<MetadataAsValue>(unwrap(V));
1178   if (isa<ValueAsMetadata>(MD->getMetadata()))
1179     return 1;
1180   return cast<MDNode>(MD->getMetadata())->getNumOperands();
1181 }
1182 
1183 LLVMNamedMDNodeRef LLVMGetFirstNamedMetadata(LLVMModuleRef M) {
1184   Module *Mod = unwrap(M);
1185   Module::named_metadata_iterator I = Mod->named_metadata_begin();
1186   if (I == Mod->named_metadata_end())
1187     return nullptr;
1188   return wrap(&*I);
1189 }
1190 
1191 LLVMNamedMDNodeRef LLVMGetLastNamedMetadata(LLVMModuleRef M) {
1192   Module *Mod = unwrap(M);
1193   Module::named_metadata_iterator I = Mod->named_metadata_end();
1194   if (I == Mod->named_metadata_begin())
1195     return nullptr;
1196   return wrap(&*--I);
1197 }
1198 
1199 LLVMNamedMDNodeRef LLVMGetNextNamedMetadata(LLVMNamedMDNodeRef NMD) {
1200   NamedMDNode *NamedNode = unwrap<NamedMDNode>(NMD);
1201   Module::named_metadata_iterator I(NamedNode);
1202   if (++I == NamedNode->getParent()->named_metadata_end())
1203     return nullptr;
1204   return wrap(&*I);
1205 }
1206 
1207 LLVMNamedMDNodeRef LLVMGetPreviousNamedMetadata(LLVMNamedMDNodeRef NMD) {
1208   NamedMDNode *NamedNode = unwrap<NamedMDNode>(NMD);
1209   Module::named_metadata_iterator I(NamedNode);
1210   if (I == NamedNode->getParent()->named_metadata_begin())
1211     return nullptr;
1212   return wrap(&*--I);
1213 }
1214 
1215 LLVMNamedMDNodeRef LLVMGetNamedMetadata(LLVMModuleRef M,
1216                                         const char *Name, size_t NameLen) {
1217   return wrap(unwrap(M)->getNamedMetadata(StringRef(Name, NameLen)));
1218 }
1219 
1220 LLVMNamedMDNodeRef LLVMGetOrInsertNamedMetadata(LLVMModuleRef M,
1221                                                 const char *Name, size_t NameLen) {
1222   return wrap(unwrap(M)->getOrInsertNamedMetadata({Name, NameLen}));
1223 }
1224 
1225 const char *LLVMGetNamedMetadataName(LLVMNamedMDNodeRef NMD, size_t *NameLen) {
1226   NamedMDNode *NamedNode = unwrap<NamedMDNode>(NMD);
1227   *NameLen = NamedNode->getName().size();
1228   return NamedNode->getName().data();
1229 }
1230 
1231 void LLVMGetMDNodeOperands(LLVMValueRef V, LLVMValueRef *Dest) {
1232   auto *MD = cast<MetadataAsValue>(unwrap(V));
1233   if (auto *MDV = dyn_cast<ValueAsMetadata>(MD->getMetadata())) {
1234     *Dest = wrap(MDV->getValue());
1235     return;
1236   }
1237   const auto *N = cast<MDNode>(MD->getMetadata());
1238   const unsigned numOperands = N->getNumOperands();
1239   LLVMContext &Context = unwrap(V)->getContext();
1240   for (unsigned i = 0; i < numOperands; i++)
1241     Dest[i] = getMDNodeOperandImpl(Context, N, i);
1242 }
1243 
1244 unsigned LLVMGetNamedMetadataNumOperands(LLVMModuleRef M, const char *Name) {
1245   if (NamedMDNode *N = unwrap(M)->getNamedMetadata(Name)) {
1246     return N->getNumOperands();
1247   }
1248   return 0;
1249 }
1250 
1251 void LLVMGetNamedMetadataOperands(LLVMModuleRef M, const char *Name,
1252                                   LLVMValueRef *Dest) {
1253   NamedMDNode *N = unwrap(M)->getNamedMetadata(Name);
1254   if (!N)
1255     return;
1256   LLVMContext &Context = unwrap(M)->getContext();
1257   for (unsigned i=0;i<N->getNumOperands();i++)
1258     Dest[i] = wrap(MetadataAsValue::get(Context, N->getOperand(i)));
1259 }
1260 
1261 void LLVMAddNamedMetadataOperand(LLVMModuleRef M, const char *Name,
1262                                  LLVMValueRef Val) {
1263   NamedMDNode *N = unwrap(M)->getOrInsertNamedMetadata(Name);
1264   if (!N)
1265     return;
1266   if (!Val)
1267     return;
1268   N->addOperand(extractMDNode(unwrap<MetadataAsValue>(Val)));
1269 }
1270 
1271 const char *LLVMGetDebugLocDirectory(LLVMValueRef Val, unsigned *Length) {
1272   if (!Length) return nullptr;
1273   StringRef S;
1274   if (const auto *I = dyn_cast<Instruction>(unwrap(Val))) {
1275     if (const auto &DL = I->getDebugLoc()) {
1276       S = DL->getDirectory();
1277     }
1278   } else if (const auto *GV = dyn_cast<GlobalVariable>(unwrap(Val))) {
1279     SmallVector<DIGlobalVariableExpression *, 1> GVEs;
1280     GV->getDebugInfo(GVEs);
1281     if (GVEs.size())
1282       if (const DIGlobalVariable *DGV = GVEs[0]->getVariable())
1283         S = DGV->getDirectory();
1284   } else if (const auto *F = dyn_cast<Function>(unwrap(Val))) {
1285     if (const DISubprogram *DSP = F->getSubprogram())
1286       S = DSP->getDirectory();
1287   } else {
1288     assert(0 && "Expected Instruction, GlobalVariable or Function");
1289     return nullptr;
1290   }
1291   *Length = S.size();
1292   return S.data();
1293 }
1294 
1295 const char *LLVMGetDebugLocFilename(LLVMValueRef Val, unsigned *Length) {
1296   if (!Length) return nullptr;
1297   StringRef S;
1298   if (const auto *I = dyn_cast<Instruction>(unwrap(Val))) {
1299     if (const auto &DL = I->getDebugLoc()) {
1300       S = DL->getFilename();
1301     }
1302   } else if (const auto *GV = dyn_cast<GlobalVariable>(unwrap(Val))) {
1303     SmallVector<DIGlobalVariableExpression *, 1> GVEs;
1304     GV->getDebugInfo(GVEs);
1305     if (GVEs.size())
1306       if (const DIGlobalVariable *DGV = GVEs[0]->getVariable())
1307         S = DGV->getFilename();
1308   } else if (const auto *F = dyn_cast<Function>(unwrap(Val))) {
1309     if (const DISubprogram *DSP = F->getSubprogram())
1310       S = DSP->getFilename();
1311   } else {
1312     assert(0 && "Expected Instruction, GlobalVariable or Function");
1313     return nullptr;
1314   }
1315   *Length = S.size();
1316   return S.data();
1317 }
1318 
1319 unsigned LLVMGetDebugLocLine(LLVMValueRef Val) {
1320   unsigned L = 0;
1321   if (const auto *I = dyn_cast<Instruction>(unwrap(Val))) {
1322     if (const auto &DL = I->getDebugLoc()) {
1323       L = DL->getLine();
1324     }
1325   } else if (const auto *GV = dyn_cast<GlobalVariable>(unwrap(Val))) {
1326     SmallVector<DIGlobalVariableExpression *, 1> GVEs;
1327     GV->getDebugInfo(GVEs);
1328     if (GVEs.size())
1329       if (const DIGlobalVariable *DGV = GVEs[0]->getVariable())
1330         L = DGV->getLine();
1331   } else if (const auto *F = dyn_cast<Function>(unwrap(Val))) {
1332     if (const DISubprogram *DSP = F->getSubprogram())
1333       L = DSP->getLine();
1334   } else {
1335     assert(0 && "Expected Instruction, GlobalVariable or Function");
1336     return -1;
1337   }
1338   return L;
1339 }
1340 
1341 unsigned LLVMGetDebugLocColumn(LLVMValueRef Val) {
1342   unsigned C = 0;
1343   if (const auto *I = dyn_cast<Instruction>(unwrap(Val)))
1344     if (const auto &DL = I->getDebugLoc())
1345       C = DL->getColumn();
1346   return C;
1347 }
1348 
1349 /*--.. Operations on scalar constants ......................................--*/
1350 
1351 LLVMValueRef LLVMConstInt(LLVMTypeRef IntTy, unsigned long long N,
1352                           LLVMBool SignExtend) {
1353   return wrap(ConstantInt::get(unwrap<IntegerType>(IntTy), N, SignExtend != 0));
1354 }
1355 
1356 LLVMValueRef LLVMConstIntOfArbitraryPrecision(LLVMTypeRef IntTy,
1357                                               unsigned NumWords,
1358                                               const uint64_t Words[]) {
1359     IntegerType *Ty = unwrap<IntegerType>(IntTy);
1360     return wrap(ConstantInt::get(Ty->getContext(),
1361                                  APInt(Ty->getBitWidth(),
1362                                        makeArrayRef(Words, NumWords))));
1363 }
1364 
1365 LLVMValueRef LLVMConstIntOfString(LLVMTypeRef IntTy, const char Str[],
1366                                   uint8_t Radix) {
1367   return wrap(ConstantInt::get(unwrap<IntegerType>(IntTy), StringRef(Str),
1368                                Radix));
1369 }
1370 
1371 LLVMValueRef LLVMConstIntOfStringAndSize(LLVMTypeRef IntTy, const char Str[],
1372                                          unsigned SLen, uint8_t Radix) {
1373   return wrap(ConstantInt::get(unwrap<IntegerType>(IntTy), StringRef(Str, SLen),
1374                                Radix));
1375 }
1376 
1377 LLVMValueRef LLVMConstReal(LLVMTypeRef RealTy, double N) {
1378   return wrap(ConstantFP::get(unwrap(RealTy), N));
1379 }
1380 
1381 LLVMValueRef LLVMConstRealOfString(LLVMTypeRef RealTy, const char *Text) {
1382   return wrap(ConstantFP::get(unwrap(RealTy), StringRef(Text)));
1383 }
1384 
1385 LLVMValueRef LLVMConstRealOfStringAndSize(LLVMTypeRef RealTy, const char Str[],
1386                                           unsigned SLen) {
1387   return wrap(ConstantFP::get(unwrap(RealTy), StringRef(Str, SLen)));
1388 }
1389 
1390 unsigned long long LLVMConstIntGetZExtValue(LLVMValueRef ConstantVal) {
1391   return unwrap<ConstantInt>(ConstantVal)->getZExtValue();
1392 }
1393 
1394 long long LLVMConstIntGetSExtValue(LLVMValueRef ConstantVal) {
1395   return unwrap<ConstantInt>(ConstantVal)->getSExtValue();
1396 }
1397 
1398 double LLVMConstRealGetDouble(LLVMValueRef ConstantVal, LLVMBool *LosesInfo) {
1399   ConstantFP *cFP = unwrap<ConstantFP>(ConstantVal) ;
1400   Type *Ty = cFP->getType();
1401 
1402   if (Ty->isHalfTy() || Ty->isBFloatTy() || Ty->isFloatTy() ||
1403       Ty->isDoubleTy()) {
1404     *LosesInfo = false;
1405     return cFP->getValueAPF().convertToDouble();
1406   }
1407 
1408   bool APFLosesInfo;
1409   APFloat APF = cFP->getValueAPF();
1410   APF.convert(APFloat::IEEEdouble(), APFloat::rmNearestTiesToEven, &APFLosesInfo);
1411   *LosesInfo = APFLosesInfo;
1412   return APF.convertToDouble();
1413 }
1414 
1415 /*--.. Operations on composite constants ...................................--*/
1416 
1417 LLVMValueRef LLVMConstStringInContext(LLVMContextRef C, const char *Str,
1418                                       unsigned Length,
1419                                       LLVMBool DontNullTerminate) {
1420   /* Inverted the sense of AddNull because ', 0)' is a
1421      better mnemonic for null termination than ', 1)'. */
1422   return wrap(ConstantDataArray::getString(*unwrap(C), StringRef(Str, Length),
1423                                            DontNullTerminate == 0));
1424 }
1425 
1426 LLVMValueRef LLVMConstString(const char *Str, unsigned Length,
1427                              LLVMBool DontNullTerminate) {
1428   return LLVMConstStringInContext(LLVMGetGlobalContext(), Str, Length,
1429                                   DontNullTerminate);
1430 }
1431 
1432 LLVMValueRef LLVMGetElementAsConstant(LLVMValueRef C, unsigned idx) {
1433   return wrap(unwrap<ConstantDataSequential>(C)->getElementAsConstant(idx));
1434 }
1435 
1436 LLVMBool LLVMIsConstantString(LLVMValueRef C) {
1437   return unwrap<ConstantDataSequential>(C)->isString();
1438 }
1439 
1440 const char *LLVMGetAsString(LLVMValueRef C, size_t *Length) {
1441   StringRef Str = unwrap<ConstantDataSequential>(C)->getAsString();
1442   *Length = Str.size();
1443   return Str.data();
1444 }
1445 
1446 LLVMValueRef LLVMConstArray(LLVMTypeRef ElementTy,
1447                             LLVMValueRef *ConstantVals, unsigned Length) {
1448   ArrayRef<Constant*> V(unwrap<Constant>(ConstantVals, Length), Length);
1449   return wrap(ConstantArray::get(ArrayType::get(unwrap(ElementTy), Length), V));
1450 }
1451 
1452 LLVMValueRef LLVMConstStructInContext(LLVMContextRef C,
1453                                       LLVMValueRef *ConstantVals,
1454                                       unsigned Count, LLVMBool Packed) {
1455   Constant **Elements = unwrap<Constant>(ConstantVals, Count);
1456   return wrap(ConstantStruct::getAnon(*unwrap(C), makeArrayRef(Elements, Count),
1457                                       Packed != 0));
1458 }
1459 
1460 LLVMValueRef LLVMConstStruct(LLVMValueRef *ConstantVals, unsigned Count,
1461                              LLVMBool Packed) {
1462   return LLVMConstStructInContext(LLVMGetGlobalContext(), ConstantVals, Count,
1463                                   Packed);
1464 }
1465 
1466 LLVMValueRef LLVMConstNamedStruct(LLVMTypeRef StructTy,
1467                                   LLVMValueRef *ConstantVals,
1468                                   unsigned Count) {
1469   Constant **Elements = unwrap<Constant>(ConstantVals, Count);
1470   StructType *Ty = cast<StructType>(unwrap(StructTy));
1471 
1472   return wrap(ConstantStruct::get(Ty, makeArrayRef(Elements, Count)));
1473 }
1474 
1475 LLVMValueRef LLVMConstVector(LLVMValueRef *ScalarConstantVals, unsigned Size) {
1476   return wrap(ConstantVector::get(makeArrayRef(
1477                             unwrap<Constant>(ScalarConstantVals, Size), Size)));
1478 }
1479 
1480 /*-- Opcode mapping */
1481 
1482 static LLVMOpcode map_to_llvmopcode(int opcode)
1483 {
1484     switch (opcode) {
1485       default: llvm_unreachable("Unhandled Opcode.");
1486 #define HANDLE_INST(num, opc, clas) case num: return LLVM##opc;
1487 #include "llvm/IR/Instruction.def"
1488 #undef HANDLE_INST
1489     }
1490 }
1491 
1492 static int map_from_llvmopcode(LLVMOpcode code)
1493 {
1494     switch (code) {
1495 #define HANDLE_INST(num, opc, clas) case LLVM##opc: return num;
1496 #include "llvm/IR/Instruction.def"
1497 #undef HANDLE_INST
1498     }
1499     llvm_unreachable("Unhandled Opcode.");
1500 }
1501 
1502 /*--.. Constant expressions ................................................--*/
1503 
1504 LLVMOpcode LLVMGetConstOpcode(LLVMValueRef ConstantVal) {
1505   return map_to_llvmopcode(unwrap<ConstantExpr>(ConstantVal)->getOpcode());
1506 }
1507 
1508 LLVMValueRef LLVMAlignOf(LLVMTypeRef Ty) {
1509   return wrap(ConstantExpr::getAlignOf(unwrap(Ty)));
1510 }
1511 
1512 LLVMValueRef LLVMSizeOf(LLVMTypeRef Ty) {
1513   return wrap(ConstantExpr::getSizeOf(unwrap(Ty)));
1514 }
1515 
1516 LLVMValueRef LLVMConstNeg(LLVMValueRef ConstantVal) {
1517   return wrap(ConstantExpr::getNeg(unwrap<Constant>(ConstantVal)));
1518 }
1519 
1520 LLVMValueRef LLVMConstNSWNeg(LLVMValueRef ConstantVal) {
1521   return wrap(ConstantExpr::getNSWNeg(unwrap<Constant>(ConstantVal)));
1522 }
1523 
1524 LLVMValueRef LLVMConstNUWNeg(LLVMValueRef ConstantVal) {
1525   return wrap(ConstantExpr::getNUWNeg(unwrap<Constant>(ConstantVal)));
1526 }
1527 
1528 
1529 LLVMValueRef LLVMConstFNeg(LLVMValueRef ConstantVal) {
1530   return wrap(ConstantExpr::getFNeg(unwrap<Constant>(ConstantVal)));
1531 }
1532 
1533 LLVMValueRef LLVMConstNot(LLVMValueRef ConstantVal) {
1534   return wrap(ConstantExpr::getNot(unwrap<Constant>(ConstantVal)));
1535 }
1536 
1537 LLVMValueRef LLVMConstAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1538   return wrap(ConstantExpr::getAdd(unwrap<Constant>(LHSConstant),
1539                                    unwrap<Constant>(RHSConstant)));
1540 }
1541 
1542 LLVMValueRef LLVMConstNSWAdd(LLVMValueRef LHSConstant,
1543                              LLVMValueRef RHSConstant) {
1544   return wrap(ConstantExpr::getNSWAdd(unwrap<Constant>(LHSConstant),
1545                                       unwrap<Constant>(RHSConstant)));
1546 }
1547 
1548 LLVMValueRef LLVMConstNUWAdd(LLVMValueRef LHSConstant,
1549                              LLVMValueRef RHSConstant) {
1550   return wrap(ConstantExpr::getNUWAdd(unwrap<Constant>(LHSConstant),
1551                                       unwrap<Constant>(RHSConstant)));
1552 }
1553 
1554 LLVMValueRef LLVMConstFAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1555   return wrap(ConstantExpr::getFAdd(unwrap<Constant>(LHSConstant),
1556                                     unwrap<Constant>(RHSConstant)));
1557 }
1558 
1559 LLVMValueRef LLVMConstSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1560   return wrap(ConstantExpr::getSub(unwrap<Constant>(LHSConstant),
1561                                    unwrap<Constant>(RHSConstant)));
1562 }
1563 
1564 LLVMValueRef LLVMConstNSWSub(LLVMValueRef LHSConstant,
1565                              LLVMValueRef RHSConstant) {
1566   return wrap(ConstantExpr::getNSWSub(unwrap<Constant>(LHSConstant),
1567                                       unwrap<Constant>(RHSConstant)));
1568 }
1569 
1570 LLVMValueRef LLVMConstNUWSub(LLVMValueRef LHSConstant,
1571                              LLVMValueRef RHSConstant) {
1572   return wrap(ConstantExpr::getNUWSub(unwrap<Constant>(LHSConstant),
1573                                       unwrap<Constant>(RHSConstant)));
1574 }
1575 
1576 LLVMValueRef LLVMConstFSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1577   return wrap(ConstantExpr::getFSub(unwrap<Constant>(LHSConstant),
1578                                     unwrap<Constant>(RHSConstant)));
1579 }
1580 
1581 LLVMValueRef LLVMConstMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1582   return wrap(ConstantExpr::getMul(unwrap<Constant>(LHSConstant),
1583                                    unwrap<Constant>(RHSConstant)));
1584 }
1585 
1586 LLVMValueRef LLVMConstNSWMul(LLVMValueRef LHSConstant,
1587                              LLVMValueRef RHSConstant) {
1588   return wrap(ConstantExpr::getNSWMul(unwrap<Constant>(LHSConstant),
1589                                       unwrap<Constant>(RHSConstant)));
1590 }
1591 
1592 LLVMValueRef LLVMConstNUWMul(LLVMValueRef LHSConstant,
1593                              LLVMValueRef RHSConstant) {
1594   return wrap(ConstantExpr::getNUWMul(unwrap<Constant>(LHSConstant),
1595                                       unwrap<Constant>(RHSConstant)));
1596 }
1597 
1598 LLVMValueRef LLVMConstFMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1599   return wrap(ConstantExpr::getFMul(unwrap<Constant>(LHSConstant),
1600                                     unwrap<Constant>(RHSConstant)));
1601 }
1602 
1603 LLVMValueRef LLVMConstUDiv(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1604   return wrap(ConstantExpr::getUDiv(unwrap<Constant>(LHSConstant),
1605                                     unwrap<Constant>(RHSConstant)));
1606 }
1607 
1608 LLVMValueRef LLVMConstExactUDiv(LLVMValueRef LHSConstant,
1609                                 LLVMValueRef RHSConstant) {
1610   return wrap(ConstantExpr::getExactUDiv(unwrap<Constant>(LHSConstant),
1611                                          unwrap<Constant>(RHSConstant)));
1612 }
1613 
1614 LLVMValueRef LLVMConstSDiv(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1615   return wrap(ConstantExpr::getSDiv(unwrap<Constant>(LHSConstant),
1616                                     unwrap<Constant>(RHSConstant)));
1617 }
1618 
1619 LLVMValueRef LLVMConstExactSDiv(LLVMValueRef LHSConstant,
1620                                 LLVMValueRef RHSConstant) {
1621   return wrap(ConstantExpr::getExactSDiv(unwrap<Constant>(LHSConstant),
1622                                          unwrap<Constant>(RHSConstant)));
1623 }
1624 
1625 LLVMValueRef LLVMConstFDiv(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1626   return wrap(ConstantExpr::getFDiv(unwrap<Constant>(LHSConstant),
1627                                     unwrap<Constant>(RHSConstant)));
1628 }
1629 
1630 LLVMValueRef LLVMConstURem(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1631   return wrap(ConstantExpr::getURem(unwrap<Constant>(LHSConstant),
1632                                     unwrap<Constant>(RHSConstant)));
1633 }
1634 
1635 LLVMValueRef LLVMConstSRem(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1636   return wrap(ConstantExpr::getSRem(unwrap<Constant>(LHSConstant),
1637                                     unwrap<Constant>(RHSConstant)));
1638 }
1639 
1640 LLVMValueRef LLVMConstFRem(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1641   return wrap(ConstantExpr::getFRem(unwrap<Constant>(LHSConstant),
1642                                     unwrap<Constant>(RHSConstant)));
1643 }
1644 
1645 LLVMValueRef LLVMConstAnd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1646   return wrap(ConstantExpr::getAnd(unwrap<Constant>(LHSConstant),
1647                                    unwrap<Constant>(RHSConstant)));
1648 }
1649 
1650 LLVMValueRef LLVMConstOr(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1651   return wrap(ConstantExpr::getOr(unwrap<Constant>(LHSConstant),
1652                                   unwrap<Constant>(RHSConstant)));
1653 }
1654 
1655 LLVMValueRef LLVMConstXor(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1656   return wrap(ConstantExpr::getXor(unwrap<Constant>(LHSConstant),
1657                                    unwrap<Constant>(RHSConstant)));
1658 }
1659 
1660 LLVMValueRef LLVMConstICmp(LLVMIntPredicate Predicate,
1661                            LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1662   return wrap(ConstantExpr::getICmp(Predicate,
1663                                     unwrap<Constant>(LHSConstant),
1664                                     unwrap<Constant>(RHSConstant)));
1665 }
1666 
1667 LLVMValueRef LLVMConstFCmp(LLVMRealPredicate Predicate,
1668                            LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1669   return wrap(ConstantExpr::getFCmp(Predicate,
1670                                     unwrap<Constant>(LHSConstant),
1671                                     unwrap<Constant>(RHSConstant)));
1672 }
1673 
1674 LLVMValueRef LLVMConstShl(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1675   return wrap(ConstantExpr::getShl(unwrap<Constant>(LHSConstant),
1676                                    unwrap<Constant>(RHSConstant)));
1677 }
1678 
1679 LLVMValueRef LLVMConstLShr(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1680   return wrap(ConstantExpr::getLShr(unwrap<Constant>(LHSConstant),
1681                                     unwrap<Constant>(RHSConstant)));
1682 }
1683 
1684 LLVMValueRef LLVMConstAShr(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1685   return wrap(ConstantExpr::getAShr(unwrap<Constant>(LHSConstant),
1686                                     unwrap<Constant>(RHSConstant)));
1687 }
1688 
1689 LLVMValueRef LLVMConstGEP(LLVMValueRef ConstantVal,
1690                           LLVMValueRef *ConstantIndices, unsigned NumIndices) {
1691   ArrayRef<Constant *> IdxList(unwrap<Constant>(ConstantIndices, NumIndices),
1692                                NumIndices);
1693   Constant *Val = unwrap<Constant>(ConstantVal);
1694   Type *Ty =
1695       cast<PointerType>(Val->getType()->getScalarType())->getElementType();
1696   return wrap(ConstantExpr::getGetElementPtr(Ty, Val, IdxList));
1697 }
1698 
1699 LLVMValueRef LLVMConstInBoundsGEP(LLVMValueRef ConstantVal,
1700                                   LLVMValueRef *ConstantIndices,
1701                                   unsigned NumIndices) {
1702   ArrayRef<Constant *> IdxList(unwrap<Constant>(ConstantIndices, NumIndices),
1703                                NumIndices);
1704   Constant *Val = unwrap<Constant>(ConstantVal);
1705   Type *Ty =
1706       cast<PointerType>(Val->getType()->getScalarType())->getElementType();
1707   return wrap(ConstantExpr::getInBoundsGetElementPtr(Ty, Val, IdxList));
1708 }
1709 
1710 LLVMValueRef LLVMConstTrunc(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1711   return wrap(ConstantExpr::getTrunc(unwrap<Constant>(ConstantVal),
1712                                      unwrap(ToType)));
1713 }
1714 
1715 LLVMValueRef LLVMConstSExt(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1716   return wrap(ConstantExpr::getSExt(unwrap<Constant>(ConstantVal),
1717                                     unwrap(ToType)));
1718 }
1719 
1720 LLVMValueRef LLVMConstZExt(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1721   return wrap(ConstantExpr::getZExt(unwrap<Constant>(ConstantVal),
1722                                     unwrap(ToType)));
1723 }
1724 
1725 LLVMValueRef LLVMConstFPTrunc(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1726   return wrap(ConstantExpr::getFPTrunc(unwrap<Constant>(ConstantVal),
1727                                        unwrap(ToType)));
1728 }
1729 
1730 LLVMValueRef LLVMConstFPExt(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1731   return wrap(ConstantExpr::getFPExtend(unwrap<Constant>(ConstantVal),
1732                                         unwrap(ToType)));
1733 }
1734 
1735 LLVMValueRef LLVMConstUIToFP(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1736   return wrap(ConstantExpr::getUIToFP(unwrap<Constant>(ConstantVal),
1737                                       unwrap(ToType)));
1738 }
1739 
1740 LLVMValueRef LLVMConstSIToFP(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1741   return wrap(ConstantExpr::getSIToFP(unwrap<Constant>(ConstantVal),
1742                                       unwrap(ToType)));
1743 }
1744 
1745 LLVMValueRef LLVMConstFPToUI(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1746   return wrap(ConstantExpr::getFPToUI(unwrap<Constant>(ConstantVal),
1747                                       unwrap(ToType)));
1748 }
1749 
1750 LLVMValueRef LLVMConstFPToSI(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1751   return wrap(ConstantExpr::getFPToSI(unwrap<Constant>(ConstantVal),
1752                                       unwrap(ToType)));
1753 }
1754 
1755 LLVMValueRef LLVMConstPtrToInt(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1756   return wrap(ConstantExpr::getPtrToInt(unwrap<Constant>(ConstantVal),
1757                                         unwrap(ToType)));
1758 }
1759 
1760 LLVMValueRef LLVMConstIntToPtr(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1761   return wrap(ConstantExpr::getIntToPtr(unwrap<Constant>(ConstantVal),
1762                                         unwrap(ToType)));
1763 }
1764 
1765 LLVMValueRef LLVMConstBitCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1766   return wrap(ConstantExpr::getBitCast(unwrap<Constant>(ConstantVal),
1767                                        unwrap(ToType)));
1768 }
1769 
1770 LLVMValueRef LLVMConstAddrSpaceCast(LLVMValueRef ConstantVal,
1771                                     LLVMTypeRef ToType) {
1772   return wrap(ConstantExpr::getAddrSpaceCast(unwrap<Constant>(ConstantVal),
1773                                              unwrap(ToType)));
1774 }
1775 
1776 LLVMValueRef LLVMConstZExtOrBitCast(LLVMValueRef ConstantVal,
1777                                     LLVMTypeRef ToType) {
1778   return wrap(ConstantExpr::getZExtOrBitCast(unwrap<Constant>(ConstantVal),
1779                                              unwrap(ToType)));
1780 }
1781 
1782 LLVMValueRef LLVMConstSExtOrBitCast(LLVMValueRef ConstantVal,
1783                                     LLVMTypeRef ToType) {
1784   return wrap(ConstantExpr::getSExtOrBitCast(unwrap<Constant>(ConstantVal),
1785                                              unwrap(ToType)));
1786 }
1787 
1788 LLVMValueRef LLVMConstTruncOrBitCast(LLVMValueRef ConstantVal,
1789                                      LLVMTypeRef ToType) {
1790   return wrap(ConstantExpr::getTruncOrBitCast(unwrap<Constant>(ConstantVal),
1791                                               unwrap(ToType)));
1792 }
1793 
1794 LLVMValueRef LLVMConstPointerCast(LLVMValueRef ConstantVal,
1795                                   LLVMTypeRef ToType) {
1796   return wrap(ConstantExpr::getPointerCast(unwrap<Constant>(ConstantVal),
1797                                            unwrap(ToType)));
1798 }
1799 
1800 LLVMValueRef LLVMConstIntCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType,
1801                               LLVMBool isSigned) {
1802   return wrap(ConstantExpr::getIntegerCast(unwrap<Constant>(ConstantVal),
1803                                            unwrap(ToType), isSigned));
1804 }
1805 
1806 LLVMValueRef LLVMConstFPCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1807   return wrap(ConstantExpr::getFPCast(unwrap<Constant>(ConstantVal),
1808                                       unwrap(ToType)));
1809 }
1810 
1811 LLVMValueRef LLVMConstSelect(LLVMValueRef ConstantCondition,
1812                              LLVMValueRef ConstantIfTrue,
1813                              LLVMValueRef ConstantIfFalse) {
1814   return wrap(ConstantExpr::getSelect(unwrap<Constant>(ConstantCondition),
1815                                       unwrap<Constant>(ConstantIfTrue),
1816                                       unwrap<Constant>(ConstantIfFalse)));
1817 }
1818 
1819 LLVMValueRef LLVMConstExtractElement(LLVMValueRef VectorConstant,
1820                                      LLVMValueRef IndexConstant) {
1821   return wrap(ConstantExpr::getExtractElement(unwrap<Constant>(VectorConstant),
1822                                               unwrap<Constant>(IndexConstant)));
1823 }
1824 
1825 LLVMValueRef LLVMConstInsertElement(LLVMValueRef VectorConstant,
1826                                     LLVMValueRef ElementValueConstant,
1827                                     LLVMValueRef IndexConstant) {
1828   return wrap(ConstantExpr::getInsertElement(unwrap<Constant>(VectorConstant),
1829                                          unwrap<Constant>(ElementValueConstant),
1830                                              unwrap<Constant>(IndexConstant)));
1831 }
1832 
1833 LLVMValueRef LLVMConstShuffleVector(LLVMValueRef VectorAConstant,
1834                                     LLVMValueRef VectorBConstant,
1835                                     LLVMValueRef MaskConstant) {
1836   SmallVector<int, 16> IntMask;
1837   ShuffleVectorInst::getShuffleMask(unwrap<Constant>(MaskConstant), IntMask);
1838   return wrap(ConstantExpr::getShuffleVector(unwrap<Constant>(VectorAConstant),
1839                                              unwrap<Constant>(VectorBConstant),
1840                                              IntMask));
1841 }
1842 
1843 LLVMValueRef LLVMConstExtractValue(LLVMValueRef AggConstant, unsigned *IdxList,
1844                                    unsigned NumIdx) {
1845   return wrap(ConstantExpr::getExtractValue(unwrap<Constant>(AggConstant),
1846                                             makeArrayRef(IdxList, NumIdx)));
1847 }
1848 
1849 LLVMValueRef LLVMConstInsertValue(LLVMValueRef AggConstant,
1850                                   LLVMValueRef ElementValueConstant,
1851                                   unsigned *IdxList, unsigned NumIdx) {
1852   return wrap(ConstantExpr::getInsertValue(unwrap<Constant>(AggConstant),
1853                                          unwrap<Constant>(ElementValueConstant),
1854                                            makeArrayRef(IdxList, NumIdx)));
1855 }
1856 
1857 LLVMValueRef LLVMConstInlineAsm(LLVMTypeRef Ty, const char *AsmString,
1858                                 const char *Constraints,
1859                                 LLVMBool HasSideEffects,
1860                                 LLVMBool IsAlignStack) {
1861   return wrap(InlineAsm::get(dyn_cast<FunctionType>(unwrap(Ty)), AsmString,
1862                              Constraints, HasSideEffects, IsAlignStack));
1863 }
1864 
1865 LLVMValueRef LLVMBlockAddress(LLVMValueRef F, LLVMBasicBlockRef BB) {
1866   return wrap(BlockAddress::get(unwrap<Function>(F), unwrap(BB)));
1867 }
1868 
1869 /*--.. Operations on global variables, functions, and aliases (globals) ....--*/
1870 
1871 LLVMModuleRef LLVMGetGlobalParent(LLVMValueRef Global) {
1872   return wrap(unwrap<GlobalValue>(Global)->getParent());
1873 }
1874 
1875 LLVMBool LLVMIsDeclaration(LLVMValueRef Global) {
1876   return unwrap<GlobalValue>(Global)->isDeclaration();
1877 }
1878 
1879 LLVMLinkage LLVMGetLinkage(LLVMValueRef Global) {
1880   switch (unwrap<GlobalValue>(Global)->getLinkage()) {
1881   case GlobalValue::ExternalLinkage:
1882     return LLVMExternalLinkage;
1883   case GlobalValue::AvailableExternallyLinkage:
1884     return LLVMAvailableExternallyLinkage;
1885   case GlobalValue::LinkOnceAnyLinkage:
1886     return LLVMLinkOnceAnyLinkage;
1887   case GlobalValue::LinkOnceODRLinkage:
1888     return LLVMLinkOnceODRLinkage;
1889   case GlobalValue::WeakAnyLinkage:
1890     return LLVMWeakAnyLinkage;
1891   case GlobalValue::WeakODRLinkage:
1892     return LLVMWeakODRLinkage;
1893   case GlobalValue::AppendingLinkage:
1894     return LLVMAppendingLinkage;
1895   case GlobalValue::InternalLinkage:
1896     return LLVMInternalLinkage;
1897   case GlobalValue::PrivateLinkage:
1898     return LLVMPrivateLinkage;
1899   case GlobalValue::ExternalWeakLinkage:
1900     return LLVMExternalWeakLinkage;
1901   case GlobalValue::CommonLinkage:
1902     return LLVMCommonLinkage;
1903   }
1904 
1905   llvm_unreachable("Invalid GlobalValue linkage!");
1906 }
1907 
1908 void LLVMSetLinkage(LLVMValueRef Global, LLVMLinkage Linkage) {
1909   GlobalValue *GV = unwrap<GlobalValue>(Global);
1910 
1911   switch (Linkage) {
1912   case LLVMExternalLinkage:
1913     GV->setLinkage(GlobalValue::ExternalLinkage);
1914     break;
1915   case LLVMAvailableExternallyLinkage:
1916     GV->setLinkage(GlobalValue::AvailableExternallyLinkage);
1917     break;
1918   case LLVMLinkOnceAnyLinkage:
1919     GV->setLinkage(GlobalValue::LinkOnceAnyLinkage);
1920     break;
1921   case LLVMLinkOnceODRLinkage:
1922     GV->setLinkage(GlobalValue::LinkOnceODRLinkage);
1923     break;
1924   case LLVMLinkOnceODRAutoHideLinkage:
1925     LLVM_DEBUG(
1926         errs() << "LLVMSetLinkage(): LLVMLinkOnceODRAutoHideLinkage is no "
1927                   "longer supported.");
1928     break;
1929   case LLVMWeakAnyLinkage:
1930     GV->setLinkage(GlobalValue::WeakAnyLinkage);
1931     break;
1932   case LLVMWeakODRLinkage:
1933     GV->setLinkage(GlobalValue::WeakODRLinkage);
1934     break;
1935   case LLVMAppendingLinkage:
1936     GV->setLinkage(GlobalValue::AppendingLinkage);
1937     break;
1938   case LLVMInternalLinkage:
1939     GV->setLinkage(GlobalValue::InternalLinkage);
1940     break;
1941   case LLVMPrivateLinkage:
1942     GV->setLinkage(GlobalValue::PrivateLinkage);
1943     break;
1944   case LLVMLinkerPrivateLinkage:
1945     GV->setLinkage(GlobalValue::PrivateLinkage);
1946     break;
1947   case LLVMLinkerPrivateWeakLinkage:
1948     GV->setLinkage(GlobalValue::PrivateLinkage);
1949     break;
1950   case LLVMDLLImportLinkage:
1951     LLVM_DEBUG(
1952         errs()
1953         << "LLVMSetLinkage(): LLVMDLLImportLinkage is no longer supported.");
1954     break;
1955   case LLVMDLLExportLinkage:
1956     LLVM_DEBUG(
1957         errs()
1958         << "LLVMSetLinkage(): LLVMDLLExportLinkage is no longer supported.");
1959     break;
1960   case LLVMExternalWeakLinkage:
1961     GV->setLinkage(GlobalValue::ExternalWeakLinkage);
1962     break;
1963   case LLVMGhostLinkage:
1964     LLVM_DEBUG(
1965         errs() << "LLVMSetLinkage(): LLVMGhostLinkage is no longer supported.");
1966     break;
1967   case LLVMCommonLinkage:
1968     GV->setLinkage(GlobalValue::CommonLinkage);
1969     break;
1970   }
1971 }
1972 
1973 const char *LLVMGetSection(LLVMValueRef Global) {
1974   // Using .data() is safe because of how GlobalObject::setSection is
1975   // implemented.
1976   return unwrap<GlobalValue>(Global)->getSection().data();
1977 }
1978 
1979 void LLVMSetSection(LLVMValueRef Global, const char *Section) {
1980   unwrap<GlobalObject>(Global)->setSection(Section);
1981 }
1982 
1983 LLVMVisibility LLVMGetVisibility(LLVMValueRef Global) {
1984   return static_cast<LLVMVisibility>(
1985     unwrap<GlobalValue>(Global)->getVisibility());
1986 }
1987 
1988 void LLVMSetVisibility(LLVMValueRef Global, LLVMVisibility Viz) {
1989   unwrap<GlobalValue>(Global)
1990     ->setVisibility(static_cast<GlobalValue::VisibilityTypes>(Viz));
1991 }
1992 
1993 LLVMDLLStorageClass LLVMGetDLLStorageClass(LLVMValueRef Global) {
1994   return static_cast<LLVMDLLStorageClass>(
1995       unwrap<GlobalValue>(Global)->getDLLStorageClass());
1996 }
1997 
1998 void LLVMSetDLLStorageClass(LLVMValueRef Global, LLVMDLLStorageClass Class) {
1999   unwrap<GlobalValue>(Global)->setDLLStorageClass(
2000       static_cast<GlobalValue::DLLStorageClassTypes>(Class));
2001 }
2002 
2003 LLVMUnnamedAddr LLVMGetUnnamedAddress(LLVMValueRef Global) {
2004   switch (unwrap<GlobalValue>(Global)->getUnnamedAddr()) {
2005   case GlobalVariable::UnnamedAddr::None:
2006     return LLVMNoUnnamedAddr;
2007   case GlobalVariable::UnnamedAddr::Local:
2008     return LLVMLocalUnnamedAddr;
2009   case GlobalVariable::UnnamedAddr::Global:
2010     return LLVMGlobalUnnamedAddr;
2011   }
2012   llvm_unreachable("Unknown UnnamedAddr kind!");
2013 }
2014 
2015 void LLVMSetUnnamedAddress(LLVMValueRef Global, LLVMUnnamedAddr UnnamedAddr) {
2016   GlobalValue *GV = unwrap<GlobalValue>(Global);
2017 
2018   switch (UnnamedAddr) {
2019   case LLVMNoUnnamedAddr:
2020     return GV->setUnnamedAddr(GlobalVariable::UnnamedAddr::None);
2021   case LLVMLocalUnnamedAddr:
2022     return GV->setUnnamedAddr(GlobalVariable::UnnamedAddr::Local);
2023   case LLVMGlobalUnnamedAddr:
2024     return GV->setUnnamedAddr(GlobalVariable::UnnamedAddr::Global);
2025   }
2026 }
2027 
2028 LLVMBool LLVMHasUnnamedAddr(LLVMValueRef Global) {
2029   return unwrap<GlobalValue>(Global)->hasGlobalUnnamedAddr();
2030 }
2031 
2032 void LLVMSetUnnamedAddr(LLVMValueRef Global, LLVMBool HasUnnamedAddr) {
2033   unwrap<GlobalValue>(Global)->setUnnamedAddr(
2034       HasUnnamedAddr ? GlobalValue::UnnamedAddr::Global
2035                      : GlobalValue::UnnamedAddr::None);
2036 }
2037 
2038 LLVMTypeRef LLVMGlobalGetValueType(LLVMValueRef Global) {
2039   return wrap(unwrap<GlobalValue>(Global)->getValueType());
2040 }
2041 
2042 /*--.. Operations on global variables, load and store instructions .........--*/
2043 
2044 unsigned LLVMGetAlignment(LLVMValueRef V) {
2045   Value *P = unwrap<Value>(V);
2046   if (GlobalObject *GV = dyn_cast<GlobalObject>(P))
2047     return GV->getAlignment();
2048   if (AllocaInst *AI = dyn_cast<AllocaInst>(P))
2049     return AI->getAlignment();
2050   if (LoadInst *LI = dyn_cast<LoadInst>(P))
2051     return LI->getAlignment();
2052   if (StoreInst *SI = dyn_cast<StoreInst>(P))
2053     return SI->getAlignment();
2054   if (AtomicRMWInst *RMWI = dyn_cast<AtomicRMWInst>(P))
2055     return RMWI->getAlign().value();
2056   if (AtomicCmpXchgInst *CXI = dyn_cast<AtomicCmpXchgInst>(P))
2057     return CXI->getAlign().value();
2058 
2059   llvm_unreachable(
2060       "only GlobalValue, AllocaInst, LoadInst, StoreInst, AtomicRMWInst, "
2061       "and AtomicCmpXchgInst have alignment");
2062 }
2063 
2064 void LLVMSetAlignment(LLVMValueRef V, unsigned Bytes) {
2065   Value *P = unwrap<Value>(V);
2066   if (GlobalObject *GV = dyn_cast<GlobalObject>(P))
2067     GV->setAlignment(MaybeAlign(Bytes));
2068   else if (AllocaInst *AI = dyn_cast<AllocaInst>(P))
2069     AI->setAlignment(Align(Bytes));
2070   else if (LoadInst *LI = dyn_cast<LoadInst>(P))
2071     LI->setAlignment(Align(Bytes));
2072   else if (StoreInst *SI = dyn_cast<StoreInst>(P))
2073     SI->setAlignment(Align(Bytes));
2074   else if (AtomicRMWInst *RMWI = dyn_cast<AtomicRMWInst>(P))
2075     RMWI->setAlignment(Align(Bytes));
2076   else if (AtomicCmpXchgInst *CXI = dyn_cast<AtomicCmpXchgInst>(P))
2077     CXI->setAlignment(Align(Bytes));
2078   else
2079     llvm_unreachable(
2080         "only GlobalValue, AllocaInst, LoadInst, StoreInst, AtomicRMWInst, and "
2081         "and AtomicCmpXchgInst have alignment");
2082 }
2083 
2084 LLVMValueMetadataEntry *LLVMGlobalCopyAllMetadata(LLVMValueRef Value,
2085                                                   size_t *NumEntries) {
2086   return llvm_getMetadata(NumEntries, [&Value](MetadataEntries &Entries) {
2087     Entries.clear();
2088     if (Instruction *Instr = dyn_cast<Instruction>(unwrap(Value))) {
2089       Instr->getAllMetadata(Entries);
2090     } else {
2091       unwrap<GlobalObject>(Value)->getAllMetadata(Entries);
2092     }
2093   });
2094 }
2095 
2096 unsigned LLVMValueMetadataEntriesGetKind(LLVMValueMetadataEntry *Entries,
2097                                          unsigned Index) {
2098   LLVMOpaqueValueMetadataEntry MVE =
2099       static_cast<LLVMOpaqueValueMetadataEntry>(Entries[Index]);
2100   return MVE.Kind;
2101 }
2102 
2103 LLVMMetadataRef
2104 LLVMValueMetadataEntriesGetMetadata(LLVMValueMetadataEntry *Entries,
2105                                     unsigned Index) {
2106   LLVMOpaqueValueMetadataEntry MVE =
2107       static_cast<LLVMOpaqueValueMetadataEntry>(Entries[Index]);
2108   return MVE.Metadata;
2109 }
2110 
2111 void LLVMDisposeValueMetadataEntries(LLVMValueMetadataEntry *Entries) {
2112   free(Entries);
2113 }
2114 
2115 void LLVMGlobalSetMetadata(LLVMValueRef Global, unsigned Kind,
2116                            LLVMMetadataRef MD) {
2117   unwrap<GlobalObject>(Global)->setMetadata(Kind, unwrap<MDNode>(MD));
2118 }
2119 
2120 void LLVMGlobalEraseMetadata(LLVMValueRef Global, unsigned Kind) {
2121   unwrap<GlobalObject>(Global)->eraseMetadata(Kind);
2122 }
2123 
2124 void LLVMGlobalClearMetadata(LLVMValueRef Global) {
2125   unwrap<GlobalObject>(Global)->clearMetadata();
2126 }
2127 
2128 /*--.. Operations on global variables ......................................--*/
2129 
2130 LLVMValueRef LLVMAddGlobal(LLVMModuleRef M, LLVMTypeRef Ty, const char *Name) {
2131   return wrap(new GlobalVariable(*unwrap(M), unwrap(Ty), false,
2132                                  GlobalValue::ExternalLinkage, nullptr, Name));
2133 }
2134 
2135 LLVMValueRef LLVMAddGlobalInAddressSpace(LLVMModuleRef M, LLVMTypeRef Ty,
2136                                          const char *Name,
2137                                          unsigned AddressSpace) {
2138   return wrap(new GlobalVariable(*unwrap(M), unwrap(Ty), false,
2139                                  GlobalValue::ExternalLinkage, nullptr, Name,
2140                                  nullptr, GlobalVariable::NotThreadLocal,
2141                                  AddressSpace));
2142 }
2143 
2144 LLVMValueRef LLVMGetNamedGlobal(LLVMModuleRef M, const char *Name) {
2145   return wrap(unwrap(M)->getNamedGlobal(Name));
2146 }
2147 
2148 LLVMValueRef LLVMGetFirstGlobal(LLVMModuleRef M) {
2149   Module *Mod = unwrap(M);
2150   Module::global_iterator I = Mod->global_begin();
2151   if (I == Mod->global_end())
2152     return nullptr;
2153   return wrap(&*I);
2154 }
2155 
2156 LLVMValueRef LLVMGetLastGlobal(LLVMModuleRef M) {
2157   Module *Mod = unwrap(M);
2158   Module::global_iterator I = Mod->global_end();
2159   if (I == Mod->global_begin())
2160     return nullptr;
2161   return wrap(&*--I);
2162 }
2163 
2164 LLVMValueRef LLVMGetNextGlobal(LLVMValueRef GlobalVar) {
2165   GlobalVariable *GV = unwrap<GlobalVariable>(GlobalVar);
2166   Module::global_iterator I(GV);
2167   if (++I == GV->getParent()->global_end())
2168     return nullptr;
2169   return wrap(&*I);
2170 }
2171 
2172 LLVMValueRef LLVMGetPreviousGlobal(LLVMValueRef GlobalVar) {
2173   GlobalVariable *GV = unwrap<GlobalVariable>(GlobalVar);
2174   Module::global_iterator I(GV);
2175   if (I == GV->getParent()->global_begin())
2176     return nullptr;
2177   return wrap(&*--I);
2178 }
2179 
2180 void LLVMDeleteGlobal(LLVMValueRef GlobalVar) {
2181   unwrap<GlobalVariable>(GlobalVar)->eraseFromParent();
2182 }
2183 
2184 LLVMValueRef LLVMGetInitializer(LLVMValueRef GlobalVar) {
2185   GlobalVariable* GV = unwrap<GlobalVariable>(GlobalVar);
2186   if ( !GV->hasInitializer() )
2187     return nullptr;
2188   return wrap(GV->getInitializer());
2189 }
2190 
2191 void LLVMSetInitializer(LLVMValueRef GlobalVar, LLVMValueRef ConstantVal) {
2192   unwrap<GlobalVariable>(GlobalVar)
2193     ->setInitializer(unwrap<Constant>(ConstantVal));
2194 }
2195 
2196 LLVMBool LLVMIsThreadLocal(LLVMValueRef GlobalVar) {
2197   return unwrap<GlobalVariable>(GlobalVar)->isThreadLocal();
2198 }
2199 
2200 void LLVMSetThreadLocal(LLVMValueRef GlobalVar, LLVMBool IsThreadLocal) {
2201   unwrap<GlobalVariable>(GlobalVar)->setThreadLocal(IsThreadLocal != 0);
2202 }
2203 
2204 LLVMBool LLVMIsGlobalConstant(LLVMValueRef GlobalVar) {
2205   return unwrap<GlobalVariable>(GlobalVar)->isConstant();
2206 }
2207 
2208 void LLVMSetGlobalConstant(LLVMValueRef GlobalVar, LLVMBool IsConstant) {
2209   unwrap<GlobalVariable>(GlobalVar)->setConstant(IsConstant != 0);
2210 }
2211 
2212 LLVMThreadLocalMode LLVMGetThreadLocalMode(LLVMValueRef GlobalVar) {
2213   switch (unwrap<GlobalVariable>(GlobalVar)->getThreadLocalMode()) {
2214   case GlobalVariable::NotThreadLocal:
2215     return LLVMNotThreadLocal;
2216   case GlobalVariable::GeneralDynamicTLSModel:
2217     return LLVMGeneralDynamicTLSModel;
2218   case GlobalVariable::LocalDynamicTLSModel:
2219     return LLVMLocalDynamicTLSModel;
2220   case GlobalVariable::InitialExecTLSModel:
2221     return LLVMInitialExecTLSModel;
2222   case GlobalVariable::LocalExecTLSModel:
2223     return LLVMLocalExecTLSModel;
2224   }
2225 
2226   llvm_unreachable("Invalid GlobalVariable thread local mode");
2227 }
2228 
2229 void LLVMSetThreadLocalMode(LLVMValueRef GlobalVar, LLVMThreadLocalMode Mode) {
2230   GlobalVariable *GV = unwrap<GlobalVariable>(GlobalVar);
2231 
2232   switch (Mode) {
2233   case LLVMNotThreadLocal:
2234     GV->setThreadLocalMode(GlobalVariable::NotThreadLocal);
2235     break;
2236   case LLVMGeneralDynamicTLSModel:
2237     GV->setThreadLocalMode(GlobalVariable::GeneralDynamicTLSModel);
2238     break;
2239   case LLVMLocalDynamicTLSModel:
2240     GV->setThreadLocalMode(GlobalVariable::LocalDynamicTLSModel);
2241     break;
2242   case LLVMInitialExecTLSModel:
2243     GV->setThreadLocalMode(GlobalVariable::InitialExecTLSModel);
2244     break;
2245   case LLVMLocalExecTLSModel:
2246     GV->setThreadLocalMode(GlobalVariable::LocalExecTLSModel);
2247     break;
2248   }
2249 }
2250 
2251 LLVMBool LLVMIsExternallyInitialized(LLVMValueRef GlobalVar) {
2252   return unwrap<GlobalVariable>(GlobalVar)->isExternallyInitialized();
2253 }
2254 
2255 void LLVMSetExternallyInitialized(LLVMValueRef GlobalVar, LLVMBool IsExtInit) {
2256   unwrap<GlobalVariable>(GlobalVar)->setExternallyInitialized(IsExtInit);
2257 }
2258 
2259 /*--.. Operations on aliases ......................................--*/
2260 
2261 LLVMValueRef LLVMAddAlias(LLVMModuleRef M, LLVMTypeRef Ty, LLVMValueRef Aliasee,
2262                           const char *Name) {
2263   auto *PTy = cast<PointerType>(unwrap(Ty));
2264   return wrap(GlobalAlias::create(PTy->getElementType(), PTy->getAddressSpace(),
2265                                   GlobalValue::ExternalLinkage, Name,
2266                                   unwrap<Constant>(Aliasee), unwrap(M)));
2267 }
2268 
2269 LLVMValueRef LLVMAddAlias2(LLVMModuleRef M, LLVMTypeRef ValueTy,
2270                            unsigned AddrSpace, LLVMValueRef Aliasee,
2271                            const char *Name) {
2272   return wrap(GlobalAlias::create(unwrap(ValueTy), AddrSpace,
2273                                   GlobalValue::ExternalLinkage, Name,
2274                                   unwrap<Constant>(Aliasee), unwrap(M)));
2275 }
2276 
2277 LLVMValueRef LLVMGetNamedGlobalAlias(LLVMModuleRef M,
2278                                      const char *Name, size_t NameLen) {
2279   return wrap(unwrap(M)->getNamedAlias(Name));
2280 }
2281 
2282 LLVMValueRef LLVMGetFirstGlobalAlias(LLVMModuleRef M) {
2283   Module *Mod = unwrap(M);
2284   Module::alias_iterator I = Mod->alias_begin();
2285   if (I == Mod->alias_end())
2286     return nullptr;
2287   return wrap(&*I);
2288 }
2289 
2290 LLVMValueRef LLVMGetLastGlobalAlias(LLVMModuleRef M) {
2291   Module *Mod = unwrap(M);
2292   Module::alias_iterator I = Mod->alias_end();
2293   if (I == Mod->alias_begin())
2294     return nullptr;
2295   return wrap(&*--I);
2296 }
2297 
2298 LLVMValueRef LLVMGetNextGlobalAlias(LLVMValueRef GA) {
2299   GlobalAlias *Alias = unwrap<GlobalAlias>(GA);
2300   Module::alias_iterator I(Alias);
2301   if (++I == Alias->getParent()->alias_end())
2302     return nullptr;
2303   return wrap(&*I);
2304 }
2305 
2306 LLVMValueRef LLVMGetPreviousGlobalAlias(LLVMValueRef GA) {
2307   GlobalAlias *Alias = unwrap<GlobalAlias>(GA);
2308   Module::alias_iterator I(Alias);
2309   if (I == Alias->getParent()->alias_begin())
2310     return nullptr;
2311   return wrap(&*--I);
2312 }
2313 
2314 LLVMValueRef LLVMAliasGetAliasee(LLVMValueRef Alias) {
2315   return wrap(unwrap<GlobalAlias>(Alias)->getAliasee());
2316 }
2317 
2318 void LLVMAliasSetAliasee(LLVMValueRef Alias, LLVMValueRef Aliasee) {
2319   unwrap<GlobalAlias>(Alias)->setAliasee(unwrap<Constant>(Aliasee));
2320 }
2321 
2322 /*--.. Operations on functions .............................................--*/
2323 
2324 LLVMValueRef LLVMAddFunction(LLVMModuleRef M, const char *Name,
2325                              LLVMTypeRef FunctionTy) {
2326   return wrap(Function::Create(unwrap<FunctionType>(FunctionTy),
2327                                GlobalValue::ExternalLinkage, Name, unwrap(M)));
2328 }
2329 
2330 LLVMValueRef LLVMGetNamedFunction(LLVMModuleRef M, const char *Name) {
2331   return wrap(unwrap(M)->getFunction(Name));
2332 }
2333 
2334 LLVMValueRef LLVMGetFirstFunction(LLVMModuleRef M) {
2335   Module *Mod = unwrap(M);
2336   Module::iterator I = Mod->begin();
2337   if (I == Mod->end())
2338     return nullptr;
2339   return wrap(&*I);
2340 }
2341 
2342 LLVMValueRef LLVMGetLastFunction(LLVMModuleRef M) {
2343   Module *Mod = unwrap(M);
2344   Module::iterator I = Mod->end();
2345   if (I == Mod->begin())
2346     return nullptr;
2347   return wrap(&*--I);
2348 }
2349 
2350 LLVMValueRef LLVMGetNextFunction(LLVMValueRef Fn) {
2351   Function *Func = unwrap<Function>(Fn);
2352   Module::iterator I(Func);
2353   if (++I == Func->getParent()->end())
2354     return nullptr;
2355   return wrap(&*I);
2356 }
2357 
2358 LLVMValueRef LLVMGetPreviousFunction(LLVMValueRef Fn) {
2359   Function *Func = unwrap<Function>(Fn);
2360   Module::iterator I(Func);
2361   if (I == Func->getParent()->begin())
2362     return nullptr;
2363   return wrap(&*--I);
2364 }
2365 
2366 void LLVMDeleteFunction(LLVMValueRef Fn) {
2367   unwrap<Function>(Fn)->eraseFromParent();
2368 }
2369 
2370 LLVMBool LLVMHasPersonalityFn(LLVMValueRef Fn) {
2371   return unwrap<Function>(Fn)->hasPersonalityFn();
2372 }
2373 
2374 LLVMValueRef LLVMGetPersonalityFn(LLVMValueRef Fn) {
2375   return wrap(unwrap<Function>(Fn)->getPersonalityFn());
2376 }
2377 
2378 void LLVMSetPersonalityFn(LLVMValueRef Fn, LLVMValueRef PersonalityFn) {
2379   unwrap<Function>(Fn)->setPersonalityFn(unwrap<Constant>(PersonalityFn));
2380 }
2381 
2382 unsigned LLVMGetIntrinsicID(LLVMValueRef Fn) {
2383   if (Function *F = dyn_cast<Function>(unwrap(Fn)))
2384     return F->getIntrinsicID();
2385   return 0;
2386 }
2387 
2388 static Intrinsic::ID llvm_map_to_intrinsic_id(unsigned ID) {
2389   assert(ID < llvm::Intrinsic::num_intrinsics && "Intrinsic ID out of range");
2390   return llvm::Intrinsic::ID(ID);
2391 }
2392 
2393 LLVMValueRef LLVMGetIntrinsicDeclaration(LLVMModuleRef Mod,
2394                                          unsigned ID,
2395                                          LLVMTypeRef *ParamTypes,
2396                                          size_t ParamCount) {
2397   ArrayRef<Type*> Tys(unwrap(ParamTypes), ParamCount);
2398   auto IID = llvm_map_to_intrinsic_id(ID);
2399   return wrap(llvm::Intrinsic::getDeclaration(unwrap(Mod), IID, Tys));
2400 }
2401 
2402 const char *LLVMIntrinsicGetName(unsigned ID, size_t *NameLength) {
2403   auto IID = llvm_map_to_intrinsic_id(ID);
2404   auto Str = llvm::Intrinsic::getName(IID);
2405   *NameLength = Str.size();
2406   return Str.data();
2407 }
2408 
2409 LLVMTypeRef LLVMIntrinsicGetType(LLVMContextRef Ctx, unsigned ID,
2410                                  LLVMTypeRef *ParamTypes, size_t ParamCount) {
2411   auto IID = llvm_map_to_intrinsic_id(ID);
2412   ArrayRef<Type*> Tys(unwrap(ParamTypes), ParamCount);
2413   return wrap(llvm::Intrinsic::getType(*unwrap(Ctx), IID, Tys));
2414 }
2415 
2416 const char *LLVMIntrinsicCopyOverloadedName(unsigned ID,
2417                                             LLVMTypeRef *ParamTypes,
2418                                             size_t ParamCount,
2419                                             size_t *NameLength) {
2420   auto IID = llvm_map_to_intrinsic_id(ID);
2421   ArrayRef<Type*> Tys(unwrap(ParamTypes), ParamCount);
2422   auto Str = llvm::Intrinsic::getNameNoUnnamedTypes(IID, Tys);
2423   *NameLength = Str.length();
2424   return strdup(Str.c_str());
2425 }
2426 
2427 const char *LLVMIntrinsicCopyOverloadedName2(LLVMModuleRef Mod, unsigned ID,
2428                                              LLVMTypeRef *ParamTypes,
2429                                              size_t ParamCount,
2430                                              size_t *NameLength) {
2431   auto IID = llvm_map_to_intrinsic_id(ID);
2432   ArrayRef<Type *> Tys(unwrap(ParamTypes), ParamCount);
2433   auto Str = llvm::Intrinsic::getName(IID, Tys, unwrap(Mod));
2434   *NameLength = Str.length();
2435   return strdup(Str.c_str());
2436 }
2437 
2438 unsigned LLVMLookupIntrinsicID(const char *Name, size_t NameLen) {
2439   return Function::lookupIntrinsicID({Name, NameLen});
2440 }
2441 
2442 LLVMBool LLVMIntrinsicIsOverloaded(unsigned ID) {
2443   auto IID = llvm_map_to_intrinsic_id(ID);
2444   return llvm::Intrinsic::isOverloaded(IID);
2445 }
2446 
2447 unsigned LLVMGetFunctionCallConv(LLVMValueRef Fn) {
2448   return unwrap<Function>(Fn)->getCallingConv();
2449 }
2450 
2451 void LLVMSetFunctionCallConv(LLVMValueRef Fn, unsigned CC) {
2452   return unwrap<Function>(Fn)->setCallingConv(
2453     static_cast<CallingConv::ID>(CC));
2454 }
2455 
2456 const char *LLVMGetGC(LLVMValueRef Fn) {
2457   Function *F = unwrap<Function>(Fn);
2458   return F->hasGC()? F->getGC().c_str() : nullptr;
2459 }
2460 
2461 void LLVMSetGC(LLVMValueRef Fn, const char *GC) {
2462   Function *F = unwrap<Function>(Fn);
2463   if (GC)
2464     F->setGC(GC);
2465   else
2466     F->clearGC();
2467 }
2468 
2469 void LLVMAddAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2470                              LLVMAttributeRef A) {
2471   unwrap<Function>(F)->addAttributeAtIndex(Idx, unwrap(A));
2472 }
2473 
2474 unsigned LLVMGetAttributeCountAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx) {
2475   auto AS = unwrap<Function>(F)->getAttributes().getAttributes(Idx);
2476   return AS.getNumAttributes();
2477 }
2478 
2479 void LLVMGetAttributesAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2480                               LLVMAttributeRef *Attrs) {
2481   auto AS = unwrap<Function>(F)->getAttributes().getAttributes(Idx);
2482   for (auto A : AS)
2483     *Attrs++ = wrap(A);
2484 }
2485 
2486 LLVMAttributeRef LLVMGetEnumAttributeAtIndex(LLVMValueRef F,
2487                                              LLVMAttributeIndex Idx,
2488                                              unsigned KindID) {
2489   return wrap(unwrap<Function>(F)->getAttributeAtIndex(
2490       Idx, (Attribute::AttrKind)KindID));
2491 }
2492 
2493 LLVMAttributeRef LLVMGetStringAttributeAtIndex(LLVMValueRef F,
2494                                                LLVMAttributeIndex Idx,
2495                                                const char *K, unsigned KLen) {
2496   return wrap(
2497       unwrap<Function>(F)->getAttributeAtIndex(Idx, StringRef(K, KLen)));
2498 }
2499 
2500 void LLVMRemoveEnumAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2501                                     unsigned KindID) {
2502   unwrap<Function>(F)->removeAttributeAtIndex(Idx, (Attribute::AttrKind)KindID);
2503 }
2504 
2505 void LLVMRemoveStringAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2506                                       const char *K, unsigned KLen) {
2507   unwrap<Function>(F)->removeAttributeAtIndex(Idx, StringRef(K, KLen));
2508 }
2509 
2510 void LLVMAddTargetDependentFunctionAttr(LLVMValueRef Fn, const char *A,
2511                                         const char *V) {
2512   Function *Func = unwrap<Function>(Fn);
2513   Attribute Attr = Attribute::get(Func->getContext(), A, V);
2514   Func->addFnAttr(Attr);
2515 }
2516 
2517 /*--.. Operations on parameters ............................................--*/
2518 
2519 unsigned LLVMCountParams(LLVMValueRef FnRef) {
2520   // This function is strictly redundant to
2521   //   LLVMCountParamTypes(LLVMGetElementType(LLVMTypeOf(FnRef)))
2522   return unwrap<Function>(FnRef)->arg_size();
2523 }
2524 
2525 void LLVMGetParams(LLVMValueRef FnRef, LLVMValueRef *ParamRefs) {
2526   Function *Fn = unwrap<Function>(FnRef);
2527   for (Argument &A : Fn->args())
2528     *ParamRefs++ = wrap(&A);
2529 }
2530 
2531 LLVMValueRef LLVMGetParam(LLVMValueRef FnRef, unsigned index) {
2532   Function *Fn = unwrap<Function>(FnRef);
2533   return wrap(&Fn->arg_begin()[index]);
2534 }
2535 
2536 LLVMValueRef LLVMGetParamParent(LLVMValueRef V) {
2537   return wrap(unwrap<Argument>(V)->getParent());
2538 }
2539 
2540 LLVMValueRef LLVMGetFirstParam(LLVMValueRef Fn) {
2541   Function *Func = unwrap<Function>(Fn);
2542   Function::arg_iterator I = Func->arg_begin();
2543   if (I == Func->arg_end())
2544     return nullptr;
2545   return wrap(&*I);
2546 }
2547 
2548 LLVMValueRef LLVMGetLastParam(LLVMValueRef Fn) {
2549   Function *Func = unwrap<Function>(Fn);
2550   Function::arg_iterator I = Func->arg_end();
2551   if (I == Func->arg_begin())
2552     return nullptr;
2553   return wrap(&*--I);
2554 }
2555 
2556 LLVMValueRef LLVMGetNextParam(LLVMValueRef Arg) {
2557   Argument *A = unwrap<Argument>(Arg);
2558   Function *Fn = A->getParent();
2559   if (A->getArgNo() + 1 >= Fn->arg_size())
2560     return nullptr;
2561   return wrap(&Fn->arg_begin()[A->getArgNo() + 1]);
2562 }
2563 
2564 LLVMValueRef LLVMGetPreviousParam(LLVMValueRef Arg) {
2565   Argument *A = unwrap<Argument>(Arg);
2566   if (A->getArgNo() == 0)
2567     return nullptr;
2568   return wrap(&A->getParent()->arg_begin()[A->getArgNo() - 1]);
2569 }
2570 
2571 void LLVMSetParamAlignment(LLVMValueRef Arg, unsigned align) {
2572   Argument *A = unwrap<Argument>(Arg);
2573   A->addAttr(Attribute::getWithAlignment(A->getContext(), Align(align)));
2574 }
2575 
2576 /*--.. Operations on ifuncs ................................................--*/
2577 
2578 LLVMValueRef LLVMAddGlobalIFunc(LLVMModuleRef M,
2579                                 const char *Name, size_t NameLen,
2580                                 LLVMTypeRef Ty, unsigned AddrSpace,
2581                                 LLVMValueRef Resolver) {
2582   return wrap(GlobalIFunc::create(unwrap(Ty), AddrSpace,
2583                                   GlobalValue::ExternalLinkage,
2584                                   StringRef(Name, NameLen),
2585                                   unwrap<Constant>(Resolver), unwrap(M)));
2586 }
2587 
2588 LLVMValueRef LLVMGetNamedGlobalIFunc(LLVMModuleRef M,
2589                                      const char *Name, size_t NameLen) {
2590   return wrap(unwrap(M)->getNamedIFunc(StringRef(Name, NameLen)));
2591 }
2592 
2593 LLVMValueRef LLVMGetFirstGlobalIFunc(LLVMModuleRef M) {
2594   Module *Mod = unwrap(M);
2595   Module::ifunc_iterator I = Mod->ifunc_begin();
2596   if (I == Mod->ifunc_end())
2597     return nullptr;
2598   return wrap(&*I);
2599 }
2600 
2601 LLVMValueRef LLVMGetLastGlobalIFunc(LLVMModuleRef M) {
2602   Module *Mod = unwrap(M);
2603   Module::ifunc_iterator I = Mod->ifunc_end();
2604   if (I == Mod->ifunc_begin())
2605     return nullptr;
2606   return wrap(&*--I);
2607 }
2608 
2609 LLVMValueRef LLVMGetNextGlobalIFunc(LLVMValueRef IFunc) {
2610   GlobalIFunc *GIF = unwrap<GlobalIFunc>(IFunc);
2611   Module::ifunc_iterator I(GIF);
2612   if (++I == GIF->getParent()->ifunc_end())
2613     return nullptr;
2614   return wrap(&*I);
2615 }
2616 
2617 LLVMValueRef LLVMGetPreviousGlobalIFunc(LLVMValueRef IFunc) {
2618   GlobalIFunc *GIF = unwrap<GlobalIFunc>(IFunc);
2619   Module::ifunc_iterator I(GIF);
2620   if (I == GIF->getParent()->ifunc_begin())
2621     return nullptr;
2622   return wrap(&*--I);
2623 }
2624 
2625 LLVMValueRef LLVMGetGlobalIFuncResolver(LLVMValueRef IFunc) {
2626   return wrap(unwrap<GlobalIFunc>(IFunc)->getResolver());
2627 }
2628 
2629 void LLVMSetGlobalIFuncResolver(LLVMValueRef IFunc, LLVMValueRef Resolver) {
2630   unwrap<GlobalIFunc>(IFunc)->setResolver(unwrap<Constant>(Resolver));
2631 }
2632 
2633 void LLVMEraseGlobalIFunc(LLVMValueRef IFunc) {
2634   unwrap<GlobalIFunc>(IFunc)->eraseFromParent();
2635 }
2636 
2637 void LLVMRemoveGlobalIFunc(LLVMValueRef IFunc) {
2638   unwrap<GlobalIFunc>(IFunc)->removeFromParent();
2639 }
2640 
2641 /*--.. Operations on basic blocks ..........................................--*/
2642 
2643 LLVMValueRef LLVMBasicBlockAsValue(LLVMBasicBlockRef BB) {
2644   return wrap(static_cast<Value*>(unwrap(BB)));
2645 }
2646 
2647 LLVMBool LLVMValueIsBasicBlock(LLVMValueRef Val) {
2648   return isa<BasicBlock>(unwrap(Val));
2649 }
2650 
2651 LLVMBasicBlockRef LLVMValueAsBasicBlock(LLVMValueRef Val) {
2652   return wrap(unwrap<BasicBlock>(Val));
2653 }
2654 
2655 const char *LLVMGetBasicBlockName(LLVMBasicBlockRef BB) {
2656   return unwrap(BB)->getName().data();
2657 }
2658 
2659 LLVMValueRef LLVMGetBasicBlockParent(LLVMBasicBlockRef BB) {
2660   return wrap(unwrap(BB)->getParent());
2661 }
2662 
2663 LLVMValueRef LLVMGetBasicBlockTerminator(LLVMBasicBlockRef BB) {
2664   return wrap(unwrap(BB)->getTerminator());
2665 }
2666 
2667 unsigned LLVMCountBasicBlocks(LLVMValueRef FnRef) {
2668   return unwrap<Function>(FnRef)->size();
2669 }
2670 
2671 void LLVMGetBasicBlocks(LLVMValueRef FnRef, LLVMBasicBlockRef *BasicBlocksRefs){
2672   Function *Fn = unwrap<Function>(FnRef);
2673   for (BasicBlock &BB : *Fn)
2674     *BasicBlocksRefs++ = wrap(&BB);
2675 }
2676 
2677 LLVMBasicBlockRef LLVMGetEntryBasicBlock(LLVMValueRef Fn) {
2678   return wrap(&unwrap<Function>(Fn)->getEntryBlock());
2679 }
2680 
2681 LLVMBasicBlockRef LLVMGetFirstBasicBlock(LLVMValueRef Fn) {
2682   Function *Func = unwrap<Function>(Fn);
2683   Function::iterator I = Func->begin();
2684   if (I == Func->end())
2685     return nullptr;
2686   return wrap(&*I);
2687 }
2688 
2689 LLVMBasicBlockRef LLVMGetLastBasicBlock(LLVMValueRef Fn) {
2690   Function *Func = unwrap<Function>(Fn);
2691   Function::iterator I = Func->end();
2692   if (I == Func->begin())
2693     return nullptr;
2694   return wrap(&*--I);
2695 }
2696 
2697 LLVMBasicBlockRef LLVMGetNextBasicBlock(LLVMBasicBlockRef BB) {
2698   BasicBlock *Block = unwrap(BB);
2699   Function::iterator I(Block);
2700   if (++I == Block->getParent()->end())
2701     return nullptr;
2702   return wrap(&*I);
2703 }
2704 
2705 LLVMBasicBlockRef LLVMGetPreviousBasicBlock(LLVMBasicBlockRef BB) {
2706   BasicBlock *Block = unwrap(BB);
2707   Function::iterator I(Block);
2708   if (I == Block->getParent()->begin())
2709     return nullptr;
2710   return wrap(&*--I);
2711 }
2712 
2713 LLVMBasicBlockRef LLVMCreateBasicBlockInContext(LLVMContextRef C,
2714                                                 const char *Name) {
2715   return wrap(llvm::BasicBlock::Create(*unwrap(C), Name));
2716 }
2717 
2718 void LLVMInsertExistingBasicBlockAfterInsertBlock(LLVMBuilderRef Builder,
2719                                                   LLVMBasicBlockRef BB) {
2720   BasicBlock *ToInsert = unwrap(BB);
2721   BasicBlock *CurBB = unwrap(Builder)->GetInsertBlock();
2722   assert(CurBB && "current insertion point is invalid!");
2723   CurBB->getParent()->getBasicBlockList().insertAfter(CurBB->getIterator(),
2724                                                       ToInsert);
2725 }
2726 
2727 void LLVMAppendExistingBasicBlock(LLVMValueRef Fn,
2728                                   LLVMBasicBlockRef BB) {
2729   unwrap<Function>(Fn)->getBasicBlockList().push_back(unwrap(BB));
2730 }
2731 
2732 LLVMBasicBlockRef LLVMAppendBasicBlockInContext(LLVMContextRef C,
2733                                                 LLVMValueRef FnRef,
2734                                                 const char *Name) {
2735   return wrap(BasicBlock::Create(*unwrap(C), Name, unwrap<Function>(FnRef)));
2736 }
2737 
2738 LLVMBasicBlockRef LLVMAppendBasicBlock(LLVMValueRef FnRef, const char *Name) {
2739   return LLVMAppendBasicBlockInContext(LLVMGetGlobalContext(), FnRef, Name);
2740 }
2741 
2742 LLVMBasicBlockRef LLVMInsertBasicBlockInContext(LLVMContextRef C,
2743                                                 LLVMBasicBlockRef BBRef,
2744                                                 const char *Name) {
2745   BasicBlock *BB = unwrap(BBRef);
2746   return wrap(BasicBlock::Create(*unwrap(C), Name, BB->getParent(), BB));
2747 }
2748 
2749 LLVMBasicBlockRef LLVMInsertBasicBlock(LLVMBasicBlockRef BBRef,
2750                                        const char *Name) {
2751   return LLVMInsertBasicBlockInContext(LLVMGetGlobalContext(), BBRef, Name);
2752 }
2753 
2754 void LLVMDeleteBasicBlock(LLVMBasicBlockRef BBRef) {
2755   unwrap(BBRef)->eraseFromParent();
2756 }
2757 
2758 void LLVMRemoveBasicBlockFromParent(LLVMBasicBlockRef BBRef) {
2759   unwrap(BBRef)->removeFromParent();
2760 }
2761 
2762 void LLVMMoveBasicBlockBefore(LLVMBasicBlockRef BB, LLVMBasicBlockRef MovePos) {
2763   unwrap(BB)->moveBefore(unwrap(MovePos));
2764 }
2765 
2766 void LLVMMoveBasicBlockAfter(LLVMBasicBlockRef BB, LLVMBasicBlockRef MovePos) {
2767   unwrap(BB)->moveAfter(unwrap(MovePos));
2768 }
2769 
2770 /*--.. Operations on instructions ..........................................--*/
2771 
2772 LLVMBasicBlockRef LLVMGetInstructionParent(LLVMValueRef Inst) {
2773   return wrap(unwrap<Instruction>(Inst)->getParent());
2774 }
2775 
2776 LLVMValueRef LLVMGetFirstInstruction(LLVMBasicBlockRef BB) {
2777   BasicBlock *Block = unwrap(BB);
2778   BasicBlock::iterator I = Block->begin();
2779   if (I == Block->end())
2780     return nullptr;
2781   return wrap(&*I);
2782 }
2783 
2784 LLVMValueRef LLVMGetLastInstruction(LLVMBasicBlockRef BB) {
2785   BasicBlock *Block = unwrap(BB);
2786   BasicBlock::iterator I = Block->end();
2787   if (I == Block->begin())
2788     return nullptr;
2789   return wrap(&*--I);
2790 }
2791 
2792 LLVMValueRef LLVMGetNextInstruction(LLVMValueRef Inst) {
2793   Instruction *Instr = unwrap<Instruction>(Inst);
2794   BasicBlock::iterator I(Instr);
2795   if (++I == Instr->getParent()->end())
2796     return nullptr;
2797   return wrap(&*I);
2798 }
2799 
2800 LLVMValueRef LLVMGetPreviousInstruction(LLVMValueRef Inst) {
2801   Instruction *Instr = unwrap<Instruction>(Inst);
2802   BasicBlock::iterator I(Instr);
2803   if (I == Instr->getParent()->begin())
2804     return nullptr;
2805   return wrap(&*--I);
2806 }
2807 
2808 void LLVMInstructionRemoveFromParent(LLVMValueRef Inst) {
2809   unwrap<Instruction>(Inst)->removeFromParent();
2810 }
2811 
2812 void LLVMInstructionEraseFromParent(LLVMValueRef Inst) {
2813   unwrap<Instruction>(Inst)->eraseFromParent();
2814 }
2815 
2816 LLVMIntPredicate LLVMGetICmpPredicate(LLVMValueRef Inst) {
2817   if (ICmpInst *I = dyn_cast<ICmpInst>(unwrap(Inst)))
2818     return (LLVMIntPredicate)I->getPredicate();
2819   if (ConstantExpr *CE = dyn_cast<ConstantExpr>(unwrap(Inst)))
2820     if (CE->getOpcode() == Instruction::ICmp)
2821       return (LLVMIntPredicate)CE->getPredicate();
2822   return (LLVMIntPredicate)0;
2823 }
2824 
2825 LLVMRealPredicate LLVMGetFCmpPredicate(LLVMValueRef Inst) {
2826   if (FCmpInst *I = dyn_cast<FCmpInst>(unwrap(Inst)))
2827     return (LLVMRealPredicate)I->getPredicate();
2828   if (ConstantExpr *CE = dyn_cast<ConstantExpr>(unwrap(Inst)))
2829     if (CE->getOpcode() == Instruction::FCmp)
2830       return (LLVMRealPredicate)CE->getPredicate();
2831   return (LLVMRealPredicate)0;
2832 }
2833 
2834 LLVMOpcode LLVMGetInstructionOpcode(LLVMValueRef Inst) {
2835   if (Instruction *C = dyn_cast<Instruction>(unwrap(Inst)))
2836     return map_to_llvmopcode(C->getOpcode());
2837   return (LLVMOpcode)0;
2838 }
2839 
2840 LLVMValueRef LLVMInstructionClone(LLVMValueRef Inst) {
2841   if (Instruction *C = dyn_cast<Instruction>(unwrap(Inst)))
2842     return wrap(C->clone());
2843   return nullptr;
2844 }
2845 
2846 LLVMValueRef LLVMIsATerminatorInst(LLVMValueRef Inst) {
2847   Instruction *I = dyn_cast<Instruction>(unwrap(Inst));
2848   return (I && I->isTerminator()) ? wrap(I) : nullptr;
2849 }
2850 
2851 unsigned LLVMGetNumArgOperands(LLVMValueRef Instr) {
2852   if (FuncletPadInst *FPI = dyn_cast<FuncletPadInst>(unwrap(Instr))) {
2853     return FPI->getNumArgOperands();
2854   }
2855   return unwrap<CallBase>(Instr)->arg_size();
2856 }
2857 
2858 /*--.. Call and invoke instructions ........................................--*/
2859 
2860 unsigned LLVMGetInstructionCallConv(LLVMValueRef Instr) {
2861   return unwrap<CallBase>(Instr)->getCallingConv();
2862 }
2863 
2864 void LLVMSetInstructionCallConv(LLVMValueRef Instr, unsigned CC) {
2865   return unwrap<CallBase>(Instr)->setCallingConv(
2866       static_cast<CallingConv::ID>(CC));
2867 }
2868 
2869 void LLVMSetInstrParamAlignment(LLVMValueRef Instr, LLVMAttributeIndex Idx,
2870                                 unsigned align) {
2871   auto *Call = unwrap<CallBase>(Instr);
2872   Attribute AlignAttr =
2873       Attribute::getWithAlignment(Call->getContext(), Align(align));
2874   Call->addAttributeAtIndex(Idx, AlignAttr);
2875 }
2876 
2877 void LLVMAddCallSiteAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
2878                               LLVMAttributeRef A) {
2879   unwrap<CallBase>(C)->addAttributeAtIndex(Idx, unwrap(A));
2880 }
2881 
2882 unsigned LLVMGetCallSiteAttributeCount(LLVMValueRef C,
2883                                        LLVMAttributeIndex Idx) {
2884   auto *Call = unwrap<CallBase>(C);
2885   auto AS = Call->getAttributes().getAttributes(Idx);
2886   return AS.getNumAttributes();
2887 }
2888 
2889 void LLVMGetCallSiteAttributes(LLVMValueRef C, LLVMAttributeIndex Idx,
2890                                LLVMAttributeRef *Attrs) {
2891   auto *Call = unwrap<CallBase>(C);
2892   auto AS = Call->getAttributes().getAttributes(Idx);
2893   for (auto A : AS)
2894     *Attrs++ = wrap(A);
2895 }
2896 
2897 LLVMAttributeRef LLVMGetCallSiteEnumAttribute(LLVMValueRef C,
2898                                               LLVMAttributeIndex Idx,
2899                                               unsigned KindID) {
2900   return wrap(unwrap<CallBase>(C)->getAttributeAtIndex(
2901       Idx, (Attribute::AttrKind)KindID));
2902 }
2903 
2904 LLVMAttributeRef LLVMGetCallSiteStringAttribute(LLVMValueRef C,
2905                                                 LLVMAttributeIndex Idx,
2906                                                 const char *K, unsigned KLen) {
2907   return wrap(
2908       unwrap<CallBase>(C)->getAttributeAtIndex(Idx, StringRef(K, KLen)));
2909 }
2910 
2911 void LLVMRemoveCallSiteEnumAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
2912                                      unsigned KindID) {
2913   unwrap<CallBase>(C)->removeAttributeAtIndex(Idx, (Attribute::AttrKind)KindID);
2914 }
2915 
2916 void LLVMRemoveCallSiteStringAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
2917                                        const char *K, unsigned KLen) {
2918   unwrap<CallBase>(C)->removeAttributeAtIndex(Idx, StringRef(K, KLen));
2919 }
2920 
2921 LLVMValueRef LLVMGetCalledValue(LLVMValueRef Instr) {
2922   return wrap(unwrap<CallBase>(Instr)->getCalledOperand());
2923 }
2924 
2925 LLVMTypeRef LLVMGetCalledFunctionType(LLVMValueRef Instr) {
2926   return wrap(unwrap<CallBase>(Instr)->getFunctionType());
2927 }
2928 
2929 /*--.. Operations on call instructions (only) ..............................--*/
2930 
2931 LLVMBool LLVMIsTailCall(LLVMValueRef Call) {
2932   return unwrap<CallInst>(Call)->isTailCall();
2933 }
2934 
2935 void LLVMSetTailCall(LLVMValueRef Call, LLVMBool isTailCall) {
2936   unwrap<CallInst>(Call)->setTailCall(isTailCall);
2937 }
2938 
2939 /*--.. Operations on invoke instructions (only) ............................--*/
2940 
2941 LLVMBasicBlockRef LLVMGetNormalDest(LLVMValueRef Invoke) {
2942   return wrap(unwrap<InvokeInst>(Invoke)->getNormalDest());
2943 }
2944 
2945 LLVMBasicBlockRef LLVMGetUnwindDest(LLVMValueRef Invoke) {
2946   if (CleanupReturnInst *CRI = dyn_cast<CleanupReturnInst>(unwrap(Invoke))) {
2947     return wrap(CRI->getUnwindDest());
2948   } else if (CatchSwitchInst *CSI = dyn_cast<CatchSwitchInst>(unwrap(Invoke))) {
2949     return wrap(CSI->getUnwindDest());
2950   }
2951   return wrap(unwrap<InvokeInst>(Invoke)->getUnwindDest());
2952 }
2953 
2954 void LLVMSetNormalDest(LLVMValueRef Invoke, LLVMBasicBlockRef B) {
2955   unwrap<InvokeInst>(Invoke)->setNormalDest(unwrap(B));
2956 }
2957 
2958 void LLVMSetUnwindDest(LLVMValueRef Invoke, LLVMBasicBlockRef B) {
2959   if (CleanupReturnInst *CRI = dyn_cast<CleanupReturnInst>(unwrap(Invoke))) {
2960     return CRI->setUnwindDest(unwrap(B));
2961   } else if (CatchSwitchInst *CSI = dyn_cast<CatchSwitchInst>(unwrap(Invoke))) {
2962     return CSI->setUnwindDest(unwrap(B));
2963   }
2964   unwrap<InvokeInst>(Invoke)->setUnwindDest(unwrap(B));
2965 }
2966 
2967 /*--.. Operations on terminators ...........................................--*/
2968 
2969 unsigned LLVMGetNumSuccessors(LLVMValueRef Term) {
2970   return unwrap<Instruction>(Term)->getNumSuccessors();
2971 }
2972 
2973 LLVMBasicBlockRef LLVMGetSuccessor(LLVMValueRef Term, unsigned i) {
2974   return wrap(unwrap<Instruction>(Term)->getSuccessor(i));
2975 }
2976 
2977 void LLVMSetSuccessor(LLVMValueRef Term, unsigned i, LLVMBasicBlockRef block) {
2978   return unwrap<Instruction>(Term)->setSuccessor(i, unwrap(block));
2979 }
2980 
2981 /*--.. Operations on branch instructions (only) ............................--*/
2982 
2983 LLVMBool LLVMIsConditional(LLVMValueRef Branch) {
2984   return unwrap<BranchInst>(Branch)->isConditional();
2985 }
2986 
2987 LLVMValueRef LLVMGetCondition(LLVMValueRef Branch) {
2988   return wrap(unwrap<BranchInst>(Branch)->getCondition());
2989 }
2990 
2991 void LLVMSetCondition(LLVMValueRef Branch, LLVMValueRef Cond) {
2992   return unwrap<BranchInst>(Branch)->setCondition(unwrap(Cond));
2993 }
2994 
2995 /*--.. Operations on switch instructions (only) ............................--*/
2996 
2997 LLVMBasicBlockRef LLVMGetSwitchDefaultDest(LLVMValueRef Switch) {
2998   return wrap(unwrap<SwitchInst>(Switch)->getDefaultDest());
2999 }
3000 
3001 /*--.. Operations on alloca instructions (only) ............................--*/
3002 
3003 LLVMTypeRef LLVMGetAllocatedType(LLVMValueRef Alloca) {
3004   return wrap(unwrap<AllocaInst>(Alloca)->getAllocatedType());
3005 }
3006 
3007 /*--.. Operations on gep instructions (only) ...............................--*/
3008 
3009 LLVMBool LLVMIsInBounds(LLVMValueRef GEP) {
3010   return unwrap<GetElementPtrInst>(GEP)->isInBounds();
3011 }
3012 
3013 void LLVMSetIsInBounds(LLVMValueRef GEP, LLVMBool InBounds) {
3014   return unwrap<GetElementPtrInst>(GEP)->setIsInBounds(InBounds);
3015 }
3016 
3017 /*--.. Operations on phi nodes .............................................--*/
3018 
3019 void LLVMAddIncoming(LLVMValueRef PhiNode, LLVMValueRef *IncomingValues,
3020                      LLVMBasicBlockRef *IncomingBlocks, unsigned Count) {
3021   PHINode *PhiVal = unwrap<PHINode>(PhiNode);
3022   for (unsigned I = 0; I != Count; ++I)
3023     PhiVal->addIncoming(unwrap(IncomingValues[I]), unwrap(IncomingBlocks[I]));
3024 }
3025 
3026 unsigned LLVMCountIncoming(LLVMValueRef PhiNode) {
3027   return unwrap<PHINode>(PhiNode)->getNumIncomingValues();
3028 }
3029 
3030 LLVMValueRef LLVMGetIncomingValue(LLVMValueRef PhiNode, unsigned Index) {
3031   return wrap(unwrap<PHINode>(PhiNode)->getIncomingValue(Index));
3032 }
3033 
3034 LLVMBasicBlockRef LLVMGetIncomingBlock(LLVMValueRef PhiNode, unsigned Index) {
3035   return wrap(unwrap<PHINode>(PhiNode)->getIncomingBlock(Index));
3036 }
3037 
3038 /*--.. Operations on extractvalue and insertvalue nodes ....................--*/
3039 
3040 unsigned LLVMGetNumIndices(LLVMValueRef Inst) {
3041   auto *I = unwrap(Inst);
3042   if (auto *GEP = dyn_cast<GetElementPtrInst>(I))
3043     return GEP->getNumIndices();
3044   if (auto *EV = dyn_cast<ExtractValueInst>(I))
3045     return EV->getNumIndices();
3046   if (auto *IV = dyn_cast<InsertValueInst>(I))
3047     return IV->getNumIndices();
3048   if (auto *CE = dyn_cast<ConstantExpr>(I))
3049     return CE->getIndices().size();
3050   llvm_unreachable(
3051     "LLVMGetNumIndices applies only to extractvalue and insertvalue!");
3052 }
3053 
3054 const unsigned *LLVMGetIndices(LLVMValueRef Inst) {
3055   auto *I = unwrap(Inst);
3056   if (auto *EV = dyn_cast<ExtractValueInst>(I))
3057     return EV->getIndices().data();
3058   if (auto *IV = dyn_cast<InsertValueInst>(I))
3059     return IV->getIndices().data();
3060   if (auto *CE = dyn_cast<ConstantExpr>(I))
3061     return CE->getIndices().data();
3062   llvm_unreachable(
3063     "LLVMGetIndices applies only to extractvalue and insertvalue!");
3064 }
3065 
3066 
3067 /*===-- Instruction builders ----------------------------------------------===*/
3068 
3069 LLVMBuilderRef LLVMCreateBuilderInContext(LLVMContextRef C) {
3070   return wrap(new IRBuilder<>(*unwrap(C)));
3071 }
3072 
3073 LLVMBuilderRef LLVMCreateBuilder(void) {
3074   return LLVMCreateBuilderInContext(LLVMGetGlobalContext());
3075 }
3076 
3077 void LLVMPositionBuilder(LLVMBuilderRef Builder, LLVMBasicBlockRef Block,
3078                          LLVMValueRef Instr) {
3079   BasicBlock *BB = unwrap(Block);
3080   auto I = Instr ? unwrap<Instruction>(Instr)->getIterator() : BB->end();
3081   unwrap(Builder)->SetInsertPoint(BB, I);
3082 }
3083 
3084 void LLVMPositionBuilderBefore(LLVMBuilderRef Builder, LLVMValueRef Instr) {
3085   Instruction *I = unwrap<Instruction>(Instr);
3086   unwrap(Builder)->SetInsertPoint(I->getParent(), I->getIterator());
3087 }
3088 
3089 void LLVMPositionBuilderAtEnd(LLVMBuilderRef Builder, LLVMBasicBlockRef Block) {
3090   BasicBlock *BB = unwrap(Block);
3091   unwrap(Builder)->SetInsertPoint(BB);
3092 }
3093 
3094 LLVMBasicBlockRef LLVMGetInsertBlock(LLVMBuilderRef Builder) {
3095    return wrap(unwrap(Builder)->GetInsertBlock());
3096 }
3097 
3098 void LLVMClearInsertionPosition(LLVMBuilderRef Builder) {
3099   unwrap(Builder)->ClearInsertionPoint();
3100 }
3101 
3102 void LLVMInsertIntoBuilder(LLVMBuilderRef Builder, LLVMValueRef Instr) {
3103   unwrap(Builder)->Insert(unwrap<Instruction>(Instr));
3104 }
3105 
3106 void LLVMInsertIntoBuilderWithName(LLVMBuilderRef Builder, LLVMValueRef Instr,
3107                                    const char *Name) {
3108   unwrap(Builder)->Insert(unwrap<Instruction>(Instr), Name);
3109 }
3110 
3111 void LLVMDisposeBuilder(LLVMBuilderRef Builder) {
3112   delete unwrap(Builder);
3113 }
3114 
3115 /*--.. Metadata builders ...................................................--*/
3116 
3117 LLVMMetadataRef LLVMGetCurrentDebugLocation2(LLVMBuilderRef Builder) {
3118   return wrap(unwrap(Builder)->getCurrentDebugLocation().getAsMDNode());
3119 }
3120 
3121 void LLVMSetCurrentDebugLocation2(LLVMBuilderRef Builder, LLVMMetadataRef Loc) {
3122   if (Loc)
3123     unwrap(Builder)->SetCurrentDebugLocation(DebugLoc(unwrap<MDNode>(Loc)));
3124   else
3125     unwrap(Builder)->SetCurrentDebugLocation(DebugLoc());
3126 }
3127 
3128 void LLVMSetCurrentDebugLocation(LLVMBuilderRef Builder, LLVMValueRef L) {
3129   MDNode *Loc =
3130       L ? cast<MDNode>(unwrap<MetadataAsValue>(L)->getMetadata()) : nullptr;
3131   unwrap(Builder)->SetCurrentDebugLocation(DebugLoc(Loc));
3132 }
3133 
3134 LLVMValueRef LLVMGetCurrentDebugLocation(LLVMBuilderRef Builder) {
3135   LLVMContext &Context = unwrap(Builder)->getContext();
3136   return wrap(MetadataAsValue::get(
3137       Context, unwrap(Builder)->getCurrentDebugLocation().getAsMDNode()));
3138 }
3139 
3140 void LLVMSetInstDebugLocation(LLVMBuilderRef Builder, LLVMValueRef Inst) {
3141   unwrap(Builder)->SetInstDebugLocation(unwrap<Instruction>(Inst));
3142 }
3143 
3144 void LLVMAddMetadataToInst(LLVMBuilderRef Builder, LLVMValueRef Inst) {
3145   unwrap(Builder)->AddMetadataToInst(unwrap<Instruction>(Inst));
3146 }
3147 
3148 void LLVMBuilderSetDefaultFPMathTag(LLVMBuilderRef Builder,
3149                                     LLVMMetadataRef FPMathTag) {
3150 
3151   unwrap(Builder)->setDefaultFPMathTag(FPMathTag
3152                                        ? unwrap<MDNode>(FPMathTag)
3153                                        : nullptr);
3154 }
3155 
3156 LLVMMetadataRef LLVMBuilderGetDefaultFPMathTag(LLVMBuilderRef Builder) {
3157   return wrap(unwrap(Builder)->getDefaultFPMathTag());
3158 }
3159 
3160 /*--.. Instruction builders ................................................--*/
3161 
3162 LLVMValueRef LLVMBuildRetVoid(LLVMBuilderRef B) {
3163   return wrap(unwrap(B)->CreateRetVoid());
3164 }
3165 
3166 LLVMValueRef LLVMBuildRet(LLVMBuilderRef B, LLVMValueRef V) {
3167   return wrap(unwrap(B)->CreateRet(unwrap(V)));
3168 }
3169 
3170 LLVMValueRef LLVMBuildAggregateRet(LLVMBuilderRef B, LLVMValueRef *RetVals,
3171                                    unsigned N) {
3172   return wrap(unwrap(B)->CreateAggregateRet(unwrap(RetVals), N));
3173 }
3174 
3175 LLVMValueRef LLVMBuildBr(LLVMBuilderRef B, LLVMBasicBlockRef Dest) {
3176   return wrap(unwrap(B)->CreateBr(unwrap(Dest)));
3177 }
3178 
3179 LLVMValueRef LLVMBuildCondBr(LLVMBuilderRef B, LLVMValueRef If,
3180                              LLVMBasicBlockRef Then, LLVMBasicBlockRef Else) {
3181   return wrap(unwrap(B)->CreateCondBr(unwrap(If), unwrap(Then), unwrap(Else)));
3182 }
3183 
3184 LLVMValueRef LLVMBuildSwitch(LLVMBuilderRef B, LLVMValueRef V,
3185                              LLVMBasicBlockRef Else, unsigned NumCases) {
3186   return wrap(unwrap(B)->CreateSwitch(unwrap(V), unwrap(Else), NumCases));
3187 }
3188 
3189 LLVMValueRef LLVMBuildIndirectBr(LLVMBuilderRef B, LLVMValueRef Addr,
3190                                  unsigned NumDests) {
3191   return wrap(unwrap(B)->CreateIndirectBr(unwrap(Addr), NumDests));
3192 }
3193 
3194 LLVMValueRef LLVMBuildInvoke(LLVMBuilderRef B, LLVMValueRef Fn,
3195                              LLVMValueRef *Args, unsigned NumArgs,
3196                              LLVMBasicBlockRef Then, LLVMBasicBlockRef Catch,
3197                              const char *Name) {
3198   Value *V = unwrap(Fn);
3199   FunctionType *FnT =
3200       cast<FunctionType>(cast<PointerType>(V->getType())->getElementType());
3201 
3202   return wrap(
3203       unwrap(B)->CreateInvoke(FnT, unwrap(Fn), unwrap(Then), unwrap(Catch),
3204                               makeArrayRef(unwrap(Args), NumArgs), Name));
3205 }
3206 
3207 LLVMValueRef LLVMBuildInvoke2(LLVMBuilderRef B, LLVMTypeRef Ty, LLVMValueRef Fn,
3208                               LLVMValueRef *Args, unsigned NumArgs,
3209                               LLVMBasicBlockRef Then, LLVMBasicBlockRef Catch,
3210                               const char *Name) {
3211   return wrap(unwrap(B)->CreateInvoke(
3212       unwrap<FunctionType>(Ty), unwrap(Fn), unwrap(Then), unwrap(Catch),
3213       makeArrayRef(unwrap(Args), NumArgs), Name));
3214 }
3215 
3216 LLVMValueRef LLVMBuildLandingPad(LLVMBuilderRef B, LLVMTypeRef Ty,
3217                                  LLVMValueRef PersFn, unsigned NumClauses,
3218                                  const char *Name) {
3219   // The personality used to live on the landingpad instruction, but now it
3220   // lives on the parent function. For compatibility, take the provided
3221   // personality and put it on the parent function.
3222   if (PersFn)
3223     unwrap(B)->GetInsertBlock()->getParent()->setPersonalityFn(
3224         cast<Function>(unwrap(PersFn)));
3225   return wrap(unwrap(B)->CreateLandingPad(unwrap(Ty), NumClauses, Name));
3226 }
3227 
3228 LLVMValueRef LLVMBuildCatchPad(LLVMBuilderRef B, LLVMValueRef ParentPad,
3229                                LLVMValueRef *Args, unsigned NumArgs,
3230                                const char *Name) {
3231   return wrap(unwrap(B)->CreateCatchPad(unwrap(ParentPad),
3232                                         makeArrayRef(unwrap(Args), NumArgs),
3233                                         Name));
3234 }
3235 
3236 LLVMValueRef LLVMBuildCleanupPad(LLVMBuilderRef B, LLVMValueRef ParentPad,
3237                                  LLVMValueRef *Args, unsigned NumArgs,
3238                                  const char *Name) {
3239   if (ParentPad == nullptr) {
3240     Type *Ty = Type::getTokenTy(unwrap(B)->getContext());
3241     ParentPad = wrap(Constant::getNullValue(Ty));
3242   }
3243   return wrap(unwrap(B)->CreateCleanupPad(unwrap(ParentPad),
3244                                           makeArrayRef(unwrap(Args), NumArgs),
3245                                           Name));
3246 }
3247 
3248 LLVMValueRef LLVMBuildResume(LLVMBuilderRef B, LLVMValueRef Exn) {
3249   return wrap(unwrap(B)->CreateResume(unwrap(Exn)));
3250 }
3251 
3252 LLVMValueRef LLVMBuildCatchSwitch(LLVMBuilderRef B, LLVMValueRef ParentPad,
3253                                   LLVMBasicBlockRef UnwindBB,
3254                                   unsigned NumHandlers, const char *Name) {
3255   if (ParentPad == nullptr) {
3256     Type *Ty = Type::getTokenTy(unwrap(B)->getContext());
3257     ParentPad = wrap(Constant::getNullValue(Ty));
3258   }
3259   return wrap(unwrap(B)->CreateCatchSwitch(unwrap(ParentPad), unwrap(UnwindBB),
3260                                            NumHandlers, Name));
3261 }
3262 
3263 LLVMValueRef LLVMBuildCatchRet(LLVMBuilderRef B, LLVMValueRef CatchPad,
3264                                LLVMBasicBlockRef BB) {
3265   return wrap(unwrap(B)->CreateCatchRet(unwrap<CatchPadInst>(CatchPad),
3266                                         unwrap(BB)));
3267 }
3268 
3269 LLVMValueRef LLVMBuildCleanupRet(LLVMBuilderRef B, LLVMValueRef CatchPad,
3270                                  LLVMBasicBlockRef BB) {
3271   return wrap(unwrap(B)->CreateCleanupRet(unwrap<CleanupPadInst>(CatchPad),
3272                                           unwrap(BB)));
3273 }
3274 
3275 LLVMValueRef LLVMBuildUnreachable(LLVMBuilderRef B) {
3276   return wrap(unwrap(B)->CreateUnreachable());
3277 }
3278 
3279 void LLVMAddCase(LLVMValueRef Switch, LLVMValueRef OnVal,
3280                  LLVMBasicBlockRef Dest) {
3281   unwrap<SwitchInst>(Switch)->addCase(unwrap<ConstantInt>(OnVal), unwrap(Dest));
3282 }
3283 
3284 void LLVMAddDestination(LLVMValueRef IndirectBr, LLVMBasicBlockRef Dest) {
3285   unwrap<IndirectBrInst>(IndirectBr)->addDestination(unwrap(Dest));
3286 }
3287 
3288 unsigned LLVMGetNumClauses(LLVMValueRef LandingPad) {
3289   return unwrap<LandingPadInst>(LandingPad)->getNumClauses();
3290 }
3291 
3292 LLVMValueRef LLVMGetClause(LLVMValueRef LandingPad, unsigned Idx) {
3293   return wrap(unwrap<LandingPadInst>(LandingPad)->getClause(Idx));
3294 }
3295 
3296 void LLVMAddClause(LLVMValueRef LandingPad, LLVMValueRef ClauseVal) {
3297   unwrap<LandingPadInst>(LandingPad)->
3298     addClause(cast<Constant>(unwrap(ClauseVal)));
3299 }
3300 
3301 LLVMBool LLVMIsCleanup(LLVMValueRef LandingPad) {
3302   return unwrap<LandingPadInst>(LandingPad)->isCleanup();
3303 }
3304 
3305 void LLVMSetCleanup(LLVMValueRef LandingPad, LLVMBool Val) {
3306   unwrap<LandingPadInst>(LandingPad)->setCleanup(Val);
3307 }
3308 
3309 void LLVMAddHandler(LLVMValueRef CatchSwitch, LLVMBasicBlockRef Dest) {
3310   unwrap<CatchSwitchInst>(CatchSwitch)->addHandler(unwrap(Dest));
3311 }
3312 
3313 unsigned LLVMGetNumHandlers(LLVMValueRef CatchSwitch) {
3314   return unwrap<CatchSwitchInst>(CatchSwitch)->getNumHandlers();
3315 }
3316 
3317 void LLVMGetHandlers(LLVMValueRef CatchSwitch, LLVMBasicBlockRef *Handlers) {
3318   CatchSwitchInst *CSI = unwrap<CatchSwitchInst>(CatchSwitch);
3319   for (const BasicBlock *H : CSI->handlers())
3320     *Handlers++ = wrap(H);
3321 }
3322 
3323 LLVMValueRef LLVMGetParentCatchSwitch(LLVMValueRef CatchPad) {
3324   return wrap(unwrap<CatchPadInst>(CatchPad)->getCatchSwitch());
3325 }
3326 
3327 void LLVMSetParentCatchSwitch(LLVMValueRef CatchPad, LLVMValueRef CatchSwitch) {
3328   unwrap<CatchPadInst>(CatchPad)
3329     ->setCatchSwitch(unwrap<CatchSwitchInst>(CatchSwitch));
3330 }
3331 
3332 /*--.. Funclets ...........................................................--*/
3333 
3334 LLVMValueRef LLVMGetArgOperand(LLVMValueRef Funclet, unsigned i) {
3335   return wrap(unwrap<FuncletPadInst>(Funclet)->getArgOperand(i));
3336 }
3337 
3338 void LLVMSetArgOperand(LLVMValueRef Funclet, unsigned i, LLVMValueRef value) {
3339   unwrap<FuncletPadInst>(Funclet)->setArgOperand(i, unwrap(value));
3340 }
3341 
3342 /*--.. Arithmetic ..........................................................--*/
3343 
3344 LLVMValueRef LLVMBuildAdd(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3345                           const char *Name) {
3346   return wrap(unwrap(B)->CreateAdd(unwrap(LHS), unwrap(RHS), Name));
3347 }
3348 
3349 LLVMValueRef LLVMBuildNSWAdd(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3350                           const char *Name) {
3351   return wrap(unwrap(B)->CreateNSWAdd(unwrap(LHS), unwrap(RHS), Name));
3352 }
3353 
3354 LLVMValueRef LLVMBuildNUWAdd(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3355                           const char *Name) {
3356   return wrap(unwrap(B)->CreateNUWAdd(unwrap(LHS), unwrap(RHS), Name));
3357 }
3358 
3359 LLVMValueRef LLVMBuildFAdd(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3360                           const char *Name) {
3361   return wrap(unwrap(B)->CreateFAdd(unwrap(LHS), unwrap(RHS), Name));
3362 }
3363 
3364 LLVMValueRef LLVMBuildSub(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3365                           const char *Name) {
3366   return wrap(unwrap(B)->CreateSub(unwrap(LHS), unwrap(RHS), Name));
3367 }
3368 
3369 LLVMValueRef LLVMBuildNSWSub(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3370                           const char *Name) {
3371   return wrap(unwrap(B)->CreateNSWSub(unwrap(LHS), unwrap(RHS), Name));
3372 }
3373 
3374 LLVMValueRef LLVMBuildNUWSub(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3375                           const char *Name) {
3376   return wrap(unwrap(B)->CreateNUWSub(unwrap(LHS), unwrap(RHS), Name));
3377 }
3378 
3379 LLVMValueRef LLVMBuildFSub(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3380                           const char *Name) {
3381   return wrap(unwrap(B)->CreateFSub(unwrap(LHS), unwrap(RHS), Name));
3382 }
3383 
3384 LLVMValueRef LLVMBuildMul(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3385                           const char *Name) {
3386   return wrap(unwrap(B)->CreateMul(unwrap(LHS), unwrap(RHS), Name));
3387 }
3388 
3389 LLVMValueRef LLVMBuildNSWMul(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3390                           const char *Name) {
3391   return wrap(unwrap(B)->CreateNSWMul(unwrap(LHS), unwrap(RHS), Name));
3392 }
3393 
3394 LLVMValueRef LLVMBuildNUWMul(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3395                           const char *Name) {
3396   return wrap(unwrap(B)->CreateNUWMul(unwrap(LHS), unwrap(RHS), Name));
3397 }
3398 
3399 LLVMValueRef LLVMBuildFMul(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3400                           const char *Name) {
3401   return wrap(unwrap(B)->CreateFMul(unwrap(LHS), unwrap(RHS), Name));
3402 }
3403 
3404 LLVMValueRef LLVMBuildUDiv(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3405                            const char *Name) {
3406   return wrap(unwrap(B)->CreateUDiv(unwrap(LHS), unwrap(RHS), Name));
3407 }
3408 
3409 LLVMValueRef LLVMBuildExactUDiv(LLVMBuilderRef B, LLVMValueRef LHS,
3410                                 LLVMValueRef RHS, const char *Name) {
3411   return wrap(unwrap(B)->CreateExactUDiv(unwrap(LHS), unwrap(RHS), Name));
3412 }
3413 
3414 LLVMValueRef LLVMBuildSDiv(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3415                            const char *Name) {
3416   return wrap(unwrap(B)->CreateSDiv(unwrap(LHS), unwrap(RHS), Name));
3417 }
3418 
3419 LLVMValueRef LLVMBuildExactSDiv(LLVMBuilderRef B, LLVMValueRef LHS,
3420                                 LLVMValueRef RHS, const char *Name) {
3421   return wrap(unwrap(B)->CreateExactSDiv(unwrap(LHS), unwrap(RHS), Name));
3422 }
3423 
3424 LLVMValueRef LLVMBuildFDiv(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3425                            const char *Name) {
3426   return wrap(unwrap(B)->CreateFDiv(unwrap(LHS), unwrap(RHS), Name));
3427 }
3428 
3429 LLVMValueRef LLVMBuildURem(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3430                            const char *Name) {
3431   return wrap(unwrap(B)->CreateURem(unwrap(LHS), unwrap(RHS), Name));
3432 }
3433 
3434 LLVMValueRef LLVMBuildSRem(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3435                            const char *Name) {
3436   return wrap(unwrap(B)->CreateSRem(unwrap(LHS), unwrap(RHS), Name));
3437 }
3438 
3439 LLVMValueRef LLVMBuildFRem(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3440                            const char *Name) {
3441   return wrap(unwrap(B)->CreateFRem(unwrap(LHS), unwrap(RHS), Name));
3442 }
3443 
3444 LLVMValueRef LLVMBuildShl(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3445                           const char *Name) {
3446   return wrap(unwrap(B)->CreateShl(unwrap(LHS), unwrap(RHS), Name));
3447 }
3448 
3449 LLVMValueRef LLVMBuildLShr(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3450                            const char *Name) {
3451   return wrap(unwrap(B)->CreateLShr(unwrap(LHS), unwrap(RHS), Name));
3452 }
3453 
3454 LLVMValueRef LLVMBuildAShr(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3455                            const char *Name) {
3456   return wrap(unwrap(B)->CreateAShr(unwrap(LHS), unwrap(RHS), Name));
3457 }
3458 
3459 LLVMValueRef LLVMBuildAnd(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3460                           const char *Name) {
3461   return wrap(unwrap(B)->CreateAnd(unwrap(LHS), unwrap(RHS), Name));
3462 }
3463 
3464 LLVMValueRef LLVMBuildOr(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3465                          const char *Name) {
3466   return wrap(unwrap(B)->CreateOr(unwrap(LHS), unwrap(RHS), Name));
3467 }
3468 
3469 LLVMValueRef LLVMBuildXor(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3470                           const char *Name) {
3471   return wrap(unwrap(B)->CreateXor(unwrap(LHS), unwrap(RHS), Name));
3472 }
3473 
3474 LLVMValueRef LLVMBuildBinOp(LLVMBuilderRef B, LLVMOpcode Op,
3475                             LLVMValueRef LHS, LLVMValueRef RHS,
3476                             const char *Name) {
3477   return wrap(unwrap(B)->CreateBinOp(Instruction::BinaryOps(map_from_llvmopcode(Op)), unwrap(LHS),
3478                                      unwrap(RHS), Name));
3479 }
3480 
3481 LLVMValueRef LLVMBuildNeg(LLVMBuilderRef B, LLVMValueRef V, const char *Name) {
3482   return wrap(unwrap(B)->CreateNeg(unwrap(V), Name));
3483 }
3484 
3485 LLVMValueRef LLVMBuildNSWNeg(LLVMBuilderRef B, LLVMValueRef V,
3486                              const char *Name) {
3487   return wrap(unwrap(B)->CreateNSWNeg(unwrap(V), Name));
3488 }
3489 
3490 LLVMValueRef LLVMBuildNUWNeg(LLVMBuilderRef B, LLVMValueRef V,
3491                              const char *Name) {
3492   return wrap(unwrap(B)->CreateNUWNeg(unwrap(V), Name));
3493 }
3494 
3495 LLVMValueRef LLVMBuildFNeg(LLVMBuilderRef B, LLVMValueRef V, const char *Name) {
3496   return wrap(unwrap(B)->CreateFNeg(unwrap(V), Name));
3497 }
3498 
3499 LLVMValueRef LLVMBuildNot(LLVMBuilderRef B, LLVMValueRef V, const char *Name) {
3500   return wrap(unwrap(B)->CreateNot(unwrap(V), Name));
3501 }
3502 
3503 /*--.. Memory ..............................................................--*/
3504 
3505 LLVMValueRef LLVMBuildMalloc(LLVMBuilderRef B, LLVMTypeRef Ty,
3506                              const char *Name) {
3507   Type* ITy = Type::getInt32Ty(unwrap(B)->GetInsertBlock()->getContext());
3508   Constant* AllocSize = ConstantExpr::getSizeOf(unwrap(Ty));
3509   AllocSize = ConstantExpr::getTruncOrBitCast(AllocSize, ITy);
3510   Instruction* Malloc = CallInst::CreateMalloc(unwrap(B)->GetInsertBlock(),
3511                                                ITy, unwrap(Ty), AllocSize,
3512                                                nullptr, nullptr, "");
3513   return wrap(unwrap(B)->Insert(Malloc, Twine(Name)));
3514 }
3515 
3516 LLVMValueRef LLVMBuildArrayMalloc(LLVMBuilderRef B, LLVMTypeRef Ty,
3517                                   LLVMValueRef Val, const char *Name) {
3518   Type* ITy = Type::getInt32Ty(unwrap(B)->GetInsertBlock()->getContext());
3519   Constant* AllocSize = ConstantExpr::getSizeOf(unwrap(Ty));
3520   AllocSize = ConstantExpr::getTruncOrBitCast(AllocSize, ITy);
3521   Instruction* Malloc = CallInst::CreateMalloc(unwrap(B)->GetInsertBlock(),
3522                                                ITy, unwrap(Ty), AllocSize,
3523                                                unwrap(Val), nullptr, "");
3524   return wrap(unwrap(B)->Insert(Malloc, Twine(Name)));
3525 }
3526 
3527 LLVMValueRef LLVMBuildMemSet(LLVMBuilderRef B, LLVMValueRef Ptr,
3528                              LLVMValueRef Val, LLVMValueRef Len,
3529                              unsigned Align) {
3530   return wrap(unwrap(B)->CreateMemSet(unwrap(Ptr), unwrap(Val), unwrap(Len),
3531                                       MaybeAlign(Align)));
3532 }
3533 
3534 LLVMValueRef LLVMBuildMemCpy(LLVMBuilderRef B,
3535                              LLVMValueRef Dst, unsigned DstAlign,
3536                              LLVMValueRef Src, unsigned SrcAlign,
3537                              LLVMValueRef Size) {
3538   return wrap(unwrap(B)->CreateMemCpy(unwrap(Dst), MaybeAlign(DstAlign),
3539                                       unwrap(Src), MaybeAlign(SrcAlign),
3540                                       unwrap(Size)));
3541 }
3542 
3543 LLVMValueRef LLVMBuildMemMove(LLVMBuilderRef B,
3544                               LLVMValueRef Dst, unsigned DstAlign,
3545                               LLVMValueRef Src, unsigned SrcAlign,
3546                               LLVMValueRef Size) {
3547   return wrap(unwrap(B)->CreateMemMove(unwrap(Dst), MaybeAlign(DstAlign),
3548                                        unwrap(Src), MaybeAlign(SrcAlign),
3549                                        unwrap(Size)));
3550 }
3551 
3552 LLVMValueRef LLVMBuildAlloca(LLVMBuilderRef B, LLVMTypeRef Ty,
3553                              const char *Name) {
3554   return wrap(unwrap(B)->CreateAlloca(unwrap(Ty), nullptr, Name));
3555 }
3556 
3557 LLVMValueRef LLVMBuildArrayAlloca(LLVMBuilderRef B, LLVMTypeRef Ty,
3558                                   LLVMValueRef Val, const char *Name) {
3559   return wrap(unwrap(B)->CreateAlloca(unwrap(Ty), unwrap(Val), Name));
3560 }
3561 
3562 LLVMValueRef LLVMBuildFree(LLVMBuilderRef B, LLVMValueRef PointerVal) {
3563   return wrap(unwrap(B)->Insert(
3564      CallInst::CreateFree(unwrap(PointerVal), unwrap(B)->GetInsertBlock())));
3565 }
3566 
3567 LLVMValueRef LLVMBuildLoad(LLVMBuilderRef B, LLVMValueRef PointerVal,
3568                            const char *Name) {
3569   Value *V = unwrap(PointerVal);
3570   PointerType *Ty = cast<PointerType>(V->getType());
3571 
3572   return wrap(unwrap(B)->CreateLoad(Ty->getElementType(), V, Name));
3573 }
3574 
3575 LLVMValueRef LLVMBuildLoad2(LLVMBuilderRef B, LLVMTypeRef Ty,
3576                             LLVMValueRef PointerVal, const char *Name) {
3577   return wrap(unwrap(B)->CreateLoad(unwrap(Ty), unwrap(PointerVal), Name));
3578 }
3579 
3580 LLVMValueRef LLVMBuildStore(LLVMBuilderRef B, LLVMValueRef Val,
3581                             LLVMValueRef PointerVal) {
3582   return wrap(unwrap(B)->CreateStore(unwrap(Val), unwrap(PointerVal)));
3583 }
3584 
3585 static AtomicOrdering mapFromLLVMOrdering(LLVMAtomicOrdering Ordering) {
3586   switch (Ordering) {
3587     case LLVMAtomicOrderingNotAtomic: return AtomicOrdering::NotAtomic;
3588     case LLVMAtomicOrderingUnordered: return AtomicOrdering::Unordered;
3589     case LLVMAtomicOrderingMonotonic: return AtomicOrdering::Monotonic;
3590     case LLVMAtomicOrderingAcquire: return AtomicOrdering::Acquire;
3591     case LLVMAtomicOrderingRelease: return AtomicOrdering::Release;
3592     case LLVMAtomicOrderingAcquireRelease:
3593       return AtomicOrdering::AcquireRelease;
3594     case LLVMAtomicOrderingSequentiallyConsistent:
3595       return AtomicOrdering::SequentiallyConsistent;
3596   }
3597 
3598   llvm_unreachable("Invalid LLVMAtomicOrdering value!");
3599 }
3600 
3601 static LLVMAtomicOrdering mapToLLVMOrdering(AtomicOrdering Ordering) {
3602   switch (Ordering) {
3603     case AtomicOrdering::NotAtomic: return LLVMAtomicOrderingNotAtomic;
3604     case AtomicOrdering::Unordered: return LLVMAtomicOrderingUnordered;
3605     case AtomicOrdering::Monotonic: return LLVMAtomicOrderingMonotonic;
3606     case AtomicOrdering::Acquire: return LLVMAtomicOrderingAcquire;
3607     case AtomicOrdering::Release: return LLVMAtomicOrderingRelease;
3608     case AtomicOrdering::AcquireRelease:
3609       return LLVMAtomicOrderingAcquireRelease;
3610     case AtomicOrdering::SequentiallyConsistent:
3611       return LLVMAtomicOrderingSequentiallyConsistent;
3612   }
3613 
3614   llvm_unreachable("Invalid AtomicOrdering value!");
3615 }
3616 
3617 static AtomicRMWInst::BinOp mapFromLLVMRMWBinOp(LLVMAtomicRMWBinOp BinOp) {
3618   switch (BinOp) {
3619     case LLVMAtomicRMWBinOpXchg: return AtomicRMWInst::Xchg;
3620     case LLVMAtomicRMWBinOpAdd: return AtomicRMWInst::Add;
3621     case LLVMAtomicRMWBinOpSub: return AtomicRMWInst::Sub;
3622     case LLVMAtomicRMWBinOpAnd: return AtomicRMWInst::And;
3623     case LLVMAtomicRMWBinOpNand: return AtomicRMWInst::Nand;
3624     case LLVMAtomicRMWBinOpOr: return AtomicRMWInst::Or;
3625     case LLVMAtomicRMWBinOpXor: return AtomicRMWInst::Xor;
3626     case LLVMAtomicRMWBinOpMax: return AtomicRMWInst::Max;
3627     case LLVMAtomicRMWBinOpMin: return AtomicRMWInst::Min;
3628     case LLVMAtomicRMWBinOpUMax: return AtomicRMWInst::UMax;
3629     case LLVMAtomicRMWBinOpUMin: return AtomicRMWInst::UMin;
3630     case LLVMAtomicRMWBinOpFAdd: return AtomicRMWInst::FAdd;
3631     case LLVMAtomicRMWBinOpFSub: return AtomicRMWInst::FSub;
3632   }
3633 
3634   llvm_unreachable("Invalid LLVMAtomicRMWBinOp value!");
3635 }
3636 
3637 static LLVMAtomicRMWBinOp mapToLLVMRMWBinOp(AtomicRMWInst::BinOp BinOp) {
3638   switch (BinOp) {
3639     case AtomicRMWInst::Xchg: return LLVMAtomicRMWBinOpXchg;
3640     case AtomicRMWInst::Add: return LLVMAtomicRMWBinOpAdd;
3641     case AtomicRMWInst::Sub: return LLVMAtomicRMWBinOpSub;
3642     case AtomicRMWInst::And: return LLVMAtomicRMWBinOpAnd;
3643     case AtomicRMWInst::Nand: return LLVMAtomicRMWBinOpNand;
3644     case AtomicRMWInst::Or: return LLVMAtomicRMWBinOpOr;
3645     case AtomicRMWInst::Xor: return LLVMAtomicRMWBinOpXor;
3646     case AtomicRMWInst::Max: return LLVMAtomicRMWBinOpMax;
3647     case AtomicRMWInst::Min: return LLVMAtomicRMWBinOpMin;
3648     case AtomicRMWInst::UMax: return LLVMAtomicRMWBinOpUMax;
3649     case AtomicRMWInst::UMin: return LLVMAtomicRMWBinOpUMin;
3650     case AtomicRMWInst::FAdd: return LLVMAtomicRMWBinOpFAdd;
3651     case AtomicRMWInst::FSub: return LLVMAtomicRMWBinOpFSub;
3652     default: break;
3653   }
3654 
3655   llvm_unreachable("Invalid AtomicRMWBinOp value!");
3656 }
3657 
3658 // TODO: Should this and other atomic instructions support building with
3659 // "syncscope"?
3660 LLVMValueRef LLVMBuildFence(LLVMBuilderRef B, LLVMAtomicOrdering Ordering,
3661                             LLVMBool isSingleThread, const char *Name) {
3662   return wrap(
3663     unwrap(B)->CreateFence(mapFromLLVMOrdering(Ordering),
3664                            isSingleThread ? SyncScope::SingleThread
3665                                           : SyncScope::System,
3666                            Name));
3667 }
3668 
3669 LLVMValueRef LLVMBuildGEP(LLVMBuilderRef B, LLVMValueRef Pointer,
3670                           LLVMValueRef *Indices, unsigned NumIndices,
3671                           const char *Name) {
3672   ArrayRef<Value *> IdxList(unwrap(Indices), NumIndices);
3673   Value *Val = unwrap(Pointer);
3674   Type *Ty =
3675       cast<PointerType>(Val->getType()->getScalarType())->getElementType();
3676   return wrap(unwrap(B)->CreateGEP(Ty, Val, IdxList, Name));
3677 }
3678 
3679 LLVMValueRef LLVMBuildGEP2(LLVMBuilderRef B, LLVMTypeRef Ty,
3680                            LLVMValueRef Pointer, LLVMValueRef *Indices,
3681                            unsigned NumIndices, const char *Name) {
3682   ArrayRef<Value *> IdxList(unwrap(Indices), NumIndices);
3683   return wrap(unwrap(B)->CreateGEP(unwrap(Ty), unwrap(Pointer), IdxList, Name));
3684 }
3685 
3686 LLVMValueRef LLVMBuildInBoundsGEP(LLVMBuilderRef B, LLVMValueRef Pointer,
3687                                   LLVMValueRef *Indices, unsigned NumIndices,
3688                                   const char *Name) {
3689   ArrayRef<Value *> IdxList(unwrap(Indices), NumIndices);
3690   Value *Val = unwrap(Pointer);
3691   Type *Ty =
3692       cast<PointerType>(Val->getType()->getScalarType())->getElementType();
3693   return wrap(unwrap(B)->CreateInBoundsGEP(Ty, Val, IdxList, Name));
3694 }
3695 
3696 LLVMValueRef LLVMBuildInBoundsGEP2(LLVMBuilderRef B, LLVMTypeRef Ty,
3697                                    LLVMValueRef Pointer, LLVMValueRef *Indices,
3698                                    unsigned NumIndices, const char *Name) {
3699   ArrayRef<Value *> IdxList(unwrap(Indices), NumIndices);
3700   return wrap(
3701       unwrap(B)->CreateInBoundsGEP(unwrap(Ty), unwrap(Pointer), IdxList, Name));
3702 }
3703 
3704 LLVMValueRef LLVMBuildStructGEP(LLVMBuilderRef B, LLVMValueRef Pointer,
3705                                 unsigned Idx, const char *Name) {
3706   Value *Val = unwrap(Pointer);
3707   Type *Ty =
3708       cast<PointerType>(Val->getType()->getScalarType())->getElementType();
3709   return wrap(unwrap(B)->CreateStructGEP(Ty, Val, Idx, Name));
3710 }
3711 
3712 LLVMValueRef LLVMBuildStructGEP2(LLVMBuilderRef B, LLVMTypeRef Ty,
3713                                  LLVMValueRef Pointer, unsigned Idx,
3714                                  const char *Name) {
3715   return wrap(
3716       unwrap(B)->CreateStructGEP(unwrap(Ty), unwrap(Pointer), Idx, Name));
3717 }
3718 
3719 LLVMValueRef LLVMBuildGlobalString(LLVMBuilderRef B, const char *Str,
3720                                    const char *Name) {
3721   return wrap(unwrap(B)->CreateGlobalString(Str, Name));
3722 }
3723 
3724 LLVMValueRef LLVMBuildGlobalStringPtr(LLVMBuilderRef B, const char *Str,
3725                                       const char *Name) {
3726   return wrap(unwrap(B)->CreateGlobalStringPtr(Str, Name));
3727 }
3728 
3729 LLVMBool LLVMGetVolatile(LLVMValueRef MemAccessInst) {
3730   Value *P = unwrap<Value>(MemAccessInst);
3731   if (LoadInst *LI = dyn_cast<LoadInst>(P))
3732     return LI->isVolatile();
3733   if (StoreInst *SI = dyn_cast<StoreInst>(P))
3734     return SI->isVolatile();
3735   if (AtomicRMWInst *AI = dyn_cast<AtomicRMWInst>(P))
3736     return AI->isVolatile();
3737   return cast<AtomicCmpXchgInst>(P)->isVolatile();
3738 }
3739 
3740 void LLVMSetVolatile(LLVMValueRef MemAccessInst, LLVMBool isVolatile) {
3741   Value *P = unwrap<Value>(MemAccessInst);
3742   if (LoadInst *LI = dyn_cast<LoadInst>(P))
3743     return LI->setVolatile(isVolatile);
3744   if (StoreInst *SI = dyn_cast<StoreInst>(P))
3745     return SI->setVolatile(isVolatile);
3746   if (AtomicRMWInst *AI = dyn_cast<AtomicRMWInst>(P))
3747     return AI->setVolatile(isVolatile);
3748   return cast<AtomicCmpXchgInst>(P)->setVolatile(isVolatile);
3749 }
3750 
3751 LLVMBool LLVMGetWeak(LLVMValueRef CmpXchgInst) {
3752   return unwrap<AtomicCmpXchgInst>(CmpXchgInst)->isWeak();
3753 }
3754 
3755 void LLVMSetWeak(LLVMValueRef CmpXchgInst, LLVMBool isWeak) {
3756   return unwrap<AtomicCmpXchgInst>(CmpXchgInst)->setWeak(isWeak);
3757 }
3758 
3759 LLVMAtomicOrdering LLVMGetOrdering(LLVMValueRef MemAccessInst) {
3760   Value *P = unwrap<Value>(MemAccessInst);
3761   AtomicOrdering O;
3762   if (LoadInst *LI = dyn_cast<LoadInst>(P))
3763     O = LI->getOrdering();
3764   else if (StoreInst *SI = dyn_cast<StoreInst>(P))
3765     O = SI->getOrdering();
3766   else
3767     O = cast<AtomicRMWInst>(P)->getOrdering();
3768   return mapToLLVMOrdering(O);
3769 }
3770 
3771 void LLVMSetOrdering(LLVMValueRef MemAccessInst, LLVMAtomicOrdering Ordering) {
3772   Value *P = unwrap<Value>(MemAccessInst);
3773   AtomicOrdering O = mapFromLLVMOrdering(Ordering);
3774 
3775   if (LoadInst *LI = dyn_cast<LoadInst>(P))
3776     return LI->setOrdering(O);
3777   return cast<StoreInst>(P)->setOrdering(O);
3778 }
3779 
3780 LLVMAtomicRMWBinOp LLVMGetAtomicRMWBinOp(LLVMValueRef Inst) {
3781   return mapToLLVMRMWBinOp(unwrap<AtomicRMWInst>(Inst)->getOperation());
3782 }
3783 
3784 void LLVMSetAtomicRMWBinOp(LLVMValueRef Inst, LLVMAtomicRMWBinOp BinOp) {
3785   unwrap<AtomicRMWInst>(Inst)->setOperation(mapFromLLVMRMWBinOp(BinOp));
3786 }
3787 
3788 /*--.. Casts ...............................................................--*/
3789 
3790 LLVMValueRef LLVMBuildTrunc(LLVMBuilderRef B, LLVMValueRef Val,
3791                             LLVMTypeRef DestTy, const char *Name) {
3792   return wrap(unwrap(B)->CreateTrunc(unwrap(Val), unwrap(DestTy), Name));
3793 }
3794 
3795 LLVMValueRef LLVMBuildZExt(LLVMBuilderRef B, LLVMValueRef Val,
3796                            LLVMTypeRef DestTy, const char *Name) {
3797   return wrap(unwrap(B)->CreateZExt(unwrap(Val), unwrap(DestTy), Name));
3798 }
3799 
3800 LLVMValueRef LLVMBuildSExt(LLVMBuilderRef B, LLVMValueRef Val,
3801                            LLVMTypeRef DestTy, const char *Name) {
3802   return wrap(unwrap(B)->CreateSExt(unwrap(Val), unwrap(DestTy), Name));
3803 }
3804 
3805 LLVMValueRef LLVMBuildFPToUI(LLVMBuilderRef B, LLVMValueRef Val,
3806                              LLVMTypeRef DestTy, const char *Name) {
3807   return wrap(unwrap(B)->CreateFPToUI(unwrap(Val), unwrap(DestTy), Name));
3808 }
3809 
3810 LLVMValueRef LLVMBuildFPToSI(LLVMBuilderRef B, LLVMValueRef Val,
3811                              LLVMTypeRef DestTy, const char *Name) {
3812   return wrap(unwrap(B)->CreateFPToSI(unwrap(Val), unwrap(DestTy), Name));
3813 }
3814 
3815 LLVMValueRef LLVMBuildUIToFP(LLVMBuilderRef B, LLVMValueRef Val,
3816                              LLVMTypeRef DestTy, const char *Name) {
3817   return wrap(unwrap(B)->CreateUIToFP(unwrap(Val), unwrap(DestTy), Name));
3818 }
3819 
3820 LLVMValueRef LLVMBuildSIToFP(LLVMBuilderRef B, LLVMValueRef Val,
3821                              LLVMTypeRef DestTy, const char *Name) {
3822   return wrap(unwrap(B)->CreateSIToFP(unwrap(Val), unwrap(DestTy), Name));
3823 }
3824 
3825 LLVMValueRef LLVMBuildFPTrunc(LLVMBuilderRef B, LLVMValueRef Val,
3826                               LLVMTypeRef DestTy, const char *Name) {
3827   return wrap(unwrap(B)->CreateFPTrunc(unwrap(Val), unwrap(DestTy), Name));
3828 }
3829 
3830 LLVMValueRef LLVMBuildFPExt(LLVMBuilderRef B, LLVMValueRef Val,
3831                             LLVMTypeRef DestTy, const char *Name) {
3832   return wrap(unwrap(B)->CreateFPExt(unwrap(Val), unwrap(DestTy), Name));
3833 }
3834 
3835 LLVMValueRef LLVMBuildPtrToInt(LLVMBuilderRef B, LLVMValueRef Val,
3836                                LLVMTypeRef DestTy, const char *Name) {
3837   return wrap(unwrap(B)->CreatePtrToInt(unwrap(Val), unwrap(DestTy), Name));
3838 }
3839 
3840 LLVMValueRef LLVMBuildIntToPtr(LLVMBuilderRef B, LLVMValueRef Val,
3841                                LLVMTypeRef DestTy, const char *Name) {
3842   return wrap(unwrap(B)->CreateIntToPtr(unwrap(Val), unwrap(DestTy), Name));
3843 }
3844 
3845 LLVMValueRef LLVMBuildBitCast(LLVMBuilderRef B, LLVMValueRef Val,
3846                               LLVMTypeRef DestTy, const char *Name) {
3847   return wrap(unwrap(B)->CreateBitCast(unwrap(Val), unwrap(DestTy), Name));
3848 }
3849 
3850 LLVMValueRef LLVMBuildAddrSpaceCast(LLVMBuilderRef B, LLVMValueRef Val,
3851                                     LLVMTypeRef DestTy, const char *Name) {
3852   return wrap(unwrap(B)->CreateAddrSpaceCast(unwrap(Val), unwrap(DestTy), Name));
3853 }
3854 
3855 LLVMValueRef LLVMBuildZExtOrBitCast(LLVMBuilderRef B, LLVMValueRef Val,
3856                                     LLVMTypeRef DestTy, const char *Name) {
3857   return wrap(unwrap(B)->CreateZExtOrBitCast(unwrap(Val), unwrap(DestTy),
3858                                              Name));
3859 }
3860 
3861 LLVMValueRef LLVMBuildSExtOrBitCast(LLVMBuilderRef B, LLVMValueRef Val,
3862                                     LLVMTypeRef DestTy, const char *Name) {
3863   return wrap(unwrap(B)->CreateSExtOrBitCast(unwrap(Val), unwrap(DestTy),
3864                                              Name));
3865 }
3866 
3867 LLVMValueRef LLVMBuildTruncOrBitCast(LLVMBuilderRef B, LLVMValueRef Val,
3868                                      LLVMTypeRef DestTy, const char *Name) {
3869   return wrap(unwrap(B)->CreateTruncOrBitCast(unwrap(Val), unwrap(DestTy),
3870                                               Name));
3871 }
3872 
3873 LLVMValueRef LLVMBuildCast(LLVMBuilderRef B, LLVMOpcode Op, LLVMValueRef Val,
3874                            LLVMTypeRef DestTy, const char *Name) {
3875   return wrap(unwrap(B)->CreateCast(Instruction::CastOps(map_from_llvmopcode(Op)), unwrap(Val),
3876                                     unwrap(DestTy), Name));
3877 }
3878 
3879 LLVMValueRef LLVMBuildPointerCast(LLVMBuilderRef B, LLVMValueRef Val,
3880                                   LLVMTypeRef DestTy, const char *Name) {
3881   return wrap(unwrap(B)->CreatePointerCast(unwrap(Val), unwrap(DestTy), Name));
3882 }
3883 
3884 LLVMValueRef LLVMBuildIntCast2(LLVMBuilderRef B, LLVMValueRef Val,
3885                                LLVMTypeRef DestTy, LLVMBool IsSigned,
3886                                const char *Name) {
3887   return wrap(
3888       unwrap(B)->CreateIntCast(unwrap(Val), unwrap(DestTy), IsSigned, Name));
3889 }
3890 
3891 LLVMValueRef LLVMBuildIntCast(LLVMBuilderRef B, LLVMValueRef Val,
3892                               LLVMTypeRef DestTy, const char *Name) {
3893   return wrap(unwrap(B)->CreateIntCast(unwrap(Val), unwrap(DestTy),
3894                                        /*isSigned*/true, Name));
3895 }
3896 
3897 LLVMValueRef LLVMBuildFPCast(LLVMBuilderRef B, LLVMValueRef Val,
3898                              LLVMTypeRef DestTy, const char *Name) {
3899   return wrap(unwrap(B)->CreateFPCast(unwrap(Val), unwrap(DestTy), Name));
3900 }
3901 
3902 /*--.. Comparisons .........................................................--*/
3903 
3904 LLVMValueRef LLVMBuildICmp(LLVMBuilderRef B, LLVMIntPredicate Op,
3905                            LLVMValueRef LHS, LLVMValueRef RHS,
3906                            const char *Name) {
3907   return wrap(unwrap(B)->CreateICmp(static_cast<ICmpInst::Predicate>(Op),
3908                                     unwrap(LHS), unwrap(RHS), Name));
3909 }
3910 
3911 LLVMValueRef LLVMBuildFCmp(LLVMBuilderRef B, LLVMRealPredicate Op,
3912                            LLVMValueRef LHS, LLVMValueRef RHS,
3913                            const char *Name) {
3914   return wrap(unwrap(B)->CreateFCmp(static_cast<FCmpInst::Predicate>(Op),
3915                                     unwrap(LHS), unwrap(RHS), Name));
3916 }
3917 
3918 /*--.. Miscellaneous instructions ..........................................--*/
3919 
3920 LLVMValueRef LLVMBuildPhi(LLVMBuilderRef B, LLVMTypeRef Ty, const char *Name) {
3921   return wrap(unwrap(B)->CreatePHI(unwrap(Ty), 0, Name));
3922 }
3923 
3924 LLVMValueRef LLVMBuildCall(LLVMBuilderRef B, LLVMValueRef Fn,
3925                            LLVMValueRef *Args, unsigned NumArgs,
3926                            const char *Name) {
3927   Value *V = unwrap(Fn);
3928   FunctionType *FnT =
3929       cast<FunctionType>(cast<PointerType>(V->getType())->getElementType());
3930 
3931   return wrap(unwrap(B)->CreateCall(FnT, unwrap(Fn),
3932                                     makeArrayRef(unwrap(Args), NumArgs), Name));
3933 }
3934 
3935 LLVMValueRef LLVMBuildCall2(LLVMBuilderRef B, LLVMTypeRef Ty, LLVMValueRef Fn,
3936                             LLVMValueRef *Args, unsigned NumArgs,
3937                             const char *Name) {
3938   FunctionType *FTy = unwrap<FunctionType>(Ty);
3939   return wrap(unwrap(B)->CreateCall(FTy, unwrap(Fn),
3940                                     makeArrayRef(unwrap(Args), NumArgs), Name));
3941 }
3942 
3943 LLVMValueRef LLVMBuildSelect(LLVMBuilderRef B, LLVMValueRef If,
3944                              LLVMValueRef Then, LLVMValueRef Else,
3945                              const char *Name) {
3946   return wrap(unwrap(B)->CreateSelect(unwrap(If), unwrap(Then), unwrap(Else),
3947                                       Name));
3948 }
3949 
3950 LLVMValueRef LLVMBuildVAArg(LLVMBuilderRef B, LLVMValueRef List,
3951                             LLVMTypeRef Ty, const char *Name) {
3952   return wrap(unwrap(B)->CreateVAArg(unwrap(List), unwrap(Ty), Name));
3953 }
3954 
3955 LLVMValueRef LLVMBuildExtractElement(LLVMBuilderRef B, LLVMValueRef VecVal,
3956                                       LLVMValueRef Index, const char *Name) {
3957   return wrap(unwrap(B)->CreateExtractElement(unwrap(VecVal), unwrap(Index),
3958                                               Name));
3959 }
3960 
3961 LLVMValueRef LLVMBuildInsertElement(LLVMBuilderRef B, LLVMValueRef VecVal,
3962                                     LLVMValueRef EltVal, LLVMValueRef Index,
3963                                     const char *Name) {
3964   return wrap(unwrap(B)->CreateInsertElement(unwrap(VecVal), unwrap(EltVal),
3965                                              unwrap(Index), Name));
3966 }
3967 
3968 LLVMValueRef LLVMBuildShuffleVector(LLVMBuilderRef B, LLVMValueRef V1,
3969                                     LLVMValueRef V2, LLVMValueRef Mask,
3970                                     const char *Name) {
3971   return wrap(unwrap(B)->CreateShuffleVector(unwrap(V1), unwrap(V2),
3972                                              unwrap(Mask), Name));
3973 }
3974 
3975 LLVMValueRef LLVMBuildExtractValue(LLVMBuilderRef B, LLVMValueRef AggVal,
3976                                    unsigned Index, const char *Name) {
3977   return wrap(unwrap(B)->CreateExtractValue(unwrap(AggVal), Index, Name));
3978 }
3979 
3980 LLVMValueRef LLVMBuildInsertValue(LLVMBuilderRef B, LLVMValueRef AggVal,
3981                                   LLVMValueRef EltVal, unsigned Index,
3982                                   const char *Name) {
3983   return wrap(unwrap(B)->CreateInsertValue(unwrap(AggVal), unwrap(EltVal),
3984                                            Index, Name));
3985 }
3986 
3987 LLVMValueRef LLVMBuildFreeze(LLVMBuilderRef B, LLVMValueRef Val,
3988                              const char *Name) {
3989   return wrap(unwrap(B)->CreateFreeze(unwrap(Val), Name));
3990 }
3991 
3992 LLVMValueRef LLVMBuildIsNull(LLVMBuilderRef B, LLVMValueRef Val,
3993                              const char *Name) {
3994   return wrap(unwrap(B)->CreateIsNull(unwrap(Val), Name));
3995 }
3996 
3997 LLVMValueRef LLVMBuildIsNotNull(LLVMBuilderRef B, LLVMValueRef Val,
3998                                 const char *Name) {
3999   return wrap(unwrap(B)->CreateIsNotNull(unwrap(Val), Name));
4000 }
4001 
4002 LLVMValueRef LLVMBuildPtrDiff(LLVMBuilderRef B, LLVMValueRef LHS,
4003                               LLVMValueRef RHS, const char *Name) {
4004   return wrap(unwrap(B)->CreatePtrDiff(unwrap(LHS), unwrap(RHS), Name));
4005 }
4006 
4007 LLVMValueRef LLVMBuildAtomicRMW(LLVMBuilderRef B,LLVMAtomicRMWBinOp op,
4008                                LLVMValueRef PTR, LLVMValueRef Val,
4009                                LLVMAtomicOrdering ordering,
4010                                LLVMBool singleThread) {
4011   AtomicRMWInst::BinOp intop = mapFromLLVMRMWBinOp(op);
4012   return wrap(unwrap(B)->CreateAtomicRMW(
4013       intop, unwrap(PTR), unwrap(Val), MaybeAlign(),
4014       mapFromLLVMOrdering(ordering),
4015       singleThread ? SyncScope::SingleThread : SyncScope::System));
4016 }
4017 
4018 LLVMValueRef LLVMBuildAtomicCmpXchg(LLVMBuilderRef B, LLVMValueRef Ptr,
4019                                     LLVMValueRef Cmp, LLVMValueRef New,
4020                                     LLVMAtomicOrdering SuccessOrdering,
4021                                     LLVMAtomicOrdering FailureOrdering,
4022                                     LLVMBool singleThread) {
4023 
4024   return wrap(unwrap(B)->CreateAtomicCmpXchg(
4025       unwrap(Ptr), unwrap(Cmp), unwrap(New), MaybeAlign(),
4026       mapFromLLVMOrdering(SuccessOrdering),
4027       mapFromLLVMOrdering(FailureOrdering),
4028       singleThread ? SyncScope::SingleThread : SyncScope::System));
4029 }
4030 
4031 unsigned LLVMGetNumMaskElements(LLVMValueRef SVInst) {
4032   Value *P = unwrap<Value>(SVInst);
4033   ShuffleVectorInst *I = cast<ShuffleVectorInst>(P);
4034   return I->getShuffleMask().size();
4035 }
4036 
4037 int LLVMGetMaskValue(LLVMValueRef SVInst, unsigned Elt) {
4038   Value *P = unwrap<Value>(SVInst);
4039   ShuffleVectorInst *I = cast<ShuffleVectorInst>(P);
4040   return I->getMaskValue(Elt);
4041 }
4042 
4043 int LLVMGetUndefMaskElem(void) { return UndefMaskElem; }
4044 
4045 LLVMBool LLVMIsAtomicSingleThread(LLVMValueRef AtomicInst) {
4046   Value *P = unwrap<Value>(AtomicInst);
4047 
4048   if (AtomicRMWInst *I = dyn_cast<AtomicRMWInst>(P))
4049     return I->getSyncScopeID() == SyncScope::SingleThread;
4050   return cast<AtomicCmpXchgInst>(P)->getSyncScopeID() ==
4051              SyncScope::SingleThread;
4052 }
4053 
4054 void LLVMSetAtomicSingleThread(LLVMValueRef AtomicInst, LLVMBool NewValue) {
4055   Value *P = unwrap<Value>(AtomicInst);
4056   SyncScope::ID SSID = NewValue ? SyncScope::SingleThread : SyncScope::System;
4057 
4058   if (AtomicRMWInst *I = dyn_cast<AtomicRMWInst>(P))
4059     return I->setSyncScopeID(SSID);
4060   return cast<AtomicCmpXchgInst>(P)->setSyncScopeID(SSID);
4061 }
4062 
4063 LLVMAtomicOrdering LLVMGetCmpXchgSuccessOrdering(LLVMValueRef CmpXchgInst)  {
4064   Value *P = unwrap<Value>(CmpXchgInst);
4065   return mapToLLVMOrdering(cast<AtomicCmpXchgInst>(P)->getSuccessOrdering());
4066 }
4067 
4068 void LLVMSetCmpXchgSuccessOrdering(LLVMValueRef CmpXchgInst,
4069                                    LLVMAtomicOrdering Ordering) {
4070   Value *P = unwrap<Value>(CmpXchgInst);
4071   AtomicOrdering O = mapFromLLVMOrdering(Ordering);
4072 
4073   return cast<AtomicCmpXchgInst>(P)->setSuccessOrdering(O);
4074 }
4075 
4076 LLVMAtomicOrdering LLVMGetCmpXchgFailureOrdering(LLVMValueRef CmpXchgInst)  {
4077   Value *P = unwrap<Value>(CmpXchgInst);
4078   return mapToLLVMOrdering(cast<AtomicCmpXchgInst>(P)->getFailureOrdering());
4079 }
4080 
4081 void LLVMSetCmpXchgFailureOrdering(LLVMValueRef CmpXchgInst,
4082                                    LLVMAtomicOrdering Ordering) {
4083   Value *P = unwrap<Value>(CmpXchgInst);
4084   AtomicOrdering O = mapFromLLVMOrdering(Ordering);
4085 
4086   return cast<AtomicCmpXchgInst>(P)->setFailureOrdering(O);
4087 }
4088 
4089 /*===-- Module providers --------------------------------------------------===*/
4090 
4091 LLVMModuleProviderRef
4092 LLVMCreateModuleProviderForExistingModule(LLVMModuleRef M) {
4093   return reinterpret_cast<LLVMModuleProviderRef>(M);
4094 }
4095 
4096 void LLVMDisposeModuleProvider(LLVMModuleProviderRef MP) {
4097   delete unwrap(MP);
4098 }
4099 
4100 
4101 /*===-- Memory buffers ----------------------------------------------------===*/
4102 
4103 LLVMBool LLVMCreateMemoryBufferWithContentsOfFile(
4104     const char *Path,
4105     LLVMMemoryBufferRef *OutMemBuf,
4106     char **OutMessage) {
4107 
4108   ErrorOr<std::unique_ptr<MemoryBuffer>> MBOrErr = MemoryBuffer::getFile(Path);
4109   if (std::error_code EC = MBOrErr.getError()) {
4110     *OutMessage = strdup(EC.message().c_str());
4111     return 1;
4112   }
4113   *OutMemBuf = wrap(MBOrErr.get().release());
4114   return 0;
4115 }
4116 
4117 LLVMBool LLVMCreateMemoryBufferWithSTDIN(LLVMMemoryBufferRef *OutMemBuf,
4118                                          char **OutMessage) {
4119   ErrorOr<std::unique_ptr<MemoryBuffer>> MBOrErr = MemoryBuffer::getSTDIN();
4120   if (std::error_code EC = MBOrErr.getError()) {
4121     *OutMessage = strdup(EC.message().c_str());
4122     return 1;
4123   }
4124   *OutMemBuf = wrap(MBOrErr.get().release());
4125   return 0;
4126 }
4127 
4128 LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRange(
4129     const char *InputData,
4130     size_t InputDataLength,
4131     const char *BufferName,
4132     LLVMBool RequiresNullTerminator) {
4133 
4134   return wrap(MemoryBuffer::getMemBuffer(StringRef(InputData, InputDataLength),
4135                                          StringRef(BufferName),
4136                                          RequiresNullTerminator).release());
4137 }
4138 
4139 LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRangeCopy(
4140     const char *InputData,
4141     size_t InputDataLength,
4142     const char *BufferName) {
4143 
4144   return wrap(
4145       MemoryBuffer::getMemBufferCopy(StringRef(InputData, InputDataLength),
4146                                      StringRef(BufferName)).release());
4147 }
4148 
4149 const char *LLVMGetBufferStart(LLVMMemoryBufferRef MemBuf) {
4150   return unwrap(MemBuf)->getBufferStart();
4151 }
4152 
4153 size_t LLVMGetBufferSize(LLVMMemoryBufferRef MemBuf) {
4154   return unwrap(MemBuf)->getBufferSize();
4155 }
4156 
4157 void LLVMDisposeMemoryBuffer(LLVMMemoryBufferRef MemBuf) {
4158   delete unwrap(MemBuf);
4159 }
4160 
4161 /*===-- Pass Registry -----------------------------------------------------===*/
4162 
4163 LLVMPassRegistryRef LLVMGetGlobalPassRegistry(void) {
4164   return wrap(PassRegistry::getPassRegistry());
4165 }
4166 
4167 /*===-- Pass Manager ------------------------------------------------------===*/
4168 
4169 LLVMPassManagerRef LLVMCreatePassManager() {
4170   return wrap(new legacy::PassManager());
4171 }
4172 
4173 LLVMPassManagerRef LLVMCreateFunctionPassManagerForModule(LLVMModuleRef M) {
4174   return wrap(new legacy::FunctionPassManager(unwrap(M)));
4175 }
4176 
4177 LLVMPassManagerRef LLVMCreateFunctionPassManager(LLVMModuleProviderRef P) {
4178   return LLVMCreateFunctionPassManagerForModule(
4179                                             reinterpret_cast<LLVMModuleRef>(P));
4180 }
4181 
4182 LLVMBool LLVMRunPassManager(LLVMPassManagerRef PM, LLVMModuleRef M) {
4183   return unwrap<legacy::PassManager>(PM)->run(*unwrap(M));
4184 }
4185 
4186 LLVMBool LLVMInitializeFunctionPassManager(LLVMPassManagerRef FPM) {
4187   return unwrap<legacy::FunctionPassManager>(FPM)->doInitialization();
4188 }
4189 
4190 LLVMBool LLVMRunFunctionPassManager(LLVMPassManagerRef FPM, LLVMValueRef F) {
4191   return unwrap<legacy::FunctionPassManager>(FPM)->run(*unwrap<Function>(F));
4192 }
4193 
4194 LLVMBool LLVMFinalizeFunctionPassManager(LLVMPassManagerRef FPM) {
4195   return unwrap<legacy::FunctionPassManager>(FPM)->doFinalization();
4196 }
4197 
4198 void LLVMDisposePassManager(LLVMPassManagerRef PM) {
4199   delete unwrap(PM);
4200 }
4201 
4202 /*===-- Threading ------------------------------------------------------===*/
4203 
4204 LLVMBool LLVMStartMultithreaded() {
4205   return LLVMIsMultithreaded();
4206 }
4207 
4208 void LLVMStopMultithreaded() {
4209 }
4210 
4211 LLVMBool LLVMIsMultithreaded() {
4212   return llvm_is_multithreaded();
4213 }
4214