xref: /llvm-project/llvm/lib/Analysis/Analysis.cpp (revision 3eca15cbb9888a992749ddd24f0fb666dad733bf)
1 //===-- Analysis.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 #include "llvm-c/Analysis.h"
10 #include "llvm/IR/Module.h"
11 #include "llvm/IR/Verifier.h"
12 #include "llvm/InitializePasses.h"
13 #include "llvm/PassRegistry.h"
14 #include "llvm/Support/raw_ostream.h"
15 #include <cstring>
16 
17 using namespace llvm;
18 
19 /// initializeAnalysis - Initialize all passes linked into the Analysis library.
20 void llvm::initializeAnalysis(PassRegistry &Registry) {
21   initializeBasicAAWrapperPassPass(Registry);
22   initializeBlockFrequencyInfoWrapperPassPass(Registry);
23   initializeBranchProbabilityInfoWrapperPassPass(Registry);
24   initializeCallGraphWrapperPassPass(Registry);
25   initializeCallGraphDOTPrinterPass(Registry);
26   initializeCallGraphViewerPass(Registry);
27   initializeCycleInfoWrapperPassPass(Registry);
28   initializeDXILResourceBindingWrapperPassPass(Registry);
29   initializeDXILResourceTypeWrapperPassPass(Registry);
30   initializeDependenceAnalysisWrapperPassPass(Registry);
31   initializeDominanceFrontierWrapperPassPass(Registry);
32   initializeDomViewerWrapperPassPass(Registry);
33   initializeDomPrinterWrapperPassPass(Registry);
34   initializeDomOnlyViewerWrapperPassPass(Registry);
35   initializePostDomViewerWrapperPassPass(Registry);
36   initializeDomOnlyPrinterWrapperPassPass(Registry);
37   initializePostDomPrinterWrapperPassPass(Registry);
38   initializePostDomOnlyViewerWrapperPassPass(Registry);
39   initializePostDomOnlyPrinterWrapperPassPass(Registry);
40   initializeAAResultsWrapperPassPass(Registry);
41   initializeGlobalsAAWrapperPassPass(Registry);
42   initializeIVUsersWrapperPassPass(Registry);
43   initializeIRSimilarityIdentifierWrapperPassPass(Registry);
44   initializeLazyBranchProbabilityInfoPassPass(Registry);
45   initializeLazyBlockFrequencyInfoPassPass(Registry);
46   initializeLazyValueInfoWrapperPassPass(Registry);
47   initializeLoopInfoWrapperPassPass(Registry);
48   initializeMemoryDependenceWrapperPassPass(Registry);
49   initializeModuleSummaryIndexWrapperPassPass(Registry);
50   initializeOptimizationRemarkEmitterWrapperPassPass(Registry);
51   initializePhiValuesWrapperPassPass(Registry);
52   initializePostDominatorTreeWrapperPassPass(Registry);
53   initializeRegionInfoPassPass(Registry);
54   initializeRegionViewerPass(Registry);
55   initializeRegionPrinterPass(Registry);
56   initializeRegionOnlyViewerPass(Registry);
57   initializeRegionOnlyPrinterPass(Registry);
58   initializeSCEVAAWrapperPassPass(Registry);
59   initializeScalarEvolutionWrapperPassPass(Registry);
60   initializeStackSafetyGlobalInfoWrapperPassPass(Registry);
61   initializeStackSafetyInfoWrapperPassPass(Registry);
62   initializeTargetTransformInfoWrapperPassPass(Registry);
63   initializeTypeBasedAAWrapperPassPass(Registry);
64   initializeScopedNoAliasAAWrapperPassPass(Registry);
65   initializeLCSSAVerificationPassPass(Registry);
66   initializeMemorySSAWrapperPassPass(Registry);
67 }
68 
69 LLVMBool LLVMVerifyModule(LLVMModuleRef M, LLVMVerifierFailureAction Action,
70                           char **OutMessages) {
71   raw_ostream *DebugOS = Action != LLVMReturnStatusAction ? &errs() : nullptr;
72   std::string Messages;
73   raw_string_ostream MsgsOS(Messages);
74 
75   LLVMBool Result = verifyModule(*unwrap(M), OutMessages ? &MsgsOS : DebugOS);
76 
77   // Duplicate the output to stderr.
78   if (DebugOS && OutMessages)
79     *DebugOS << MsgsOS.str();
80 
81   if (Action == LLVMAbortProcessAction && Result)
82     report_fatal_error("Broken module found, compilation aborted!");
83 
84   if (OutMessages)
85     *OutMessages = strdup(MsgsOS.str().c_str());
86 
87   return Result;
88 }
89 
90 LLVMBool LLVMVerifyFunction(LLVMValueRef Fn, LLVMVerifierFailureAction Action) {
91   LLVMBool Result = verifyFunction(
92       *unwrap<Function>(Fn), Action != LLVMReturnStatusAction ? &errs()
93                                                               : nullptr);
94 
95   if (Action == LLVMAbortProcessAction && Result)
96     report_fatal_error("Broken function found, compilation aborted!");
97 
98   return Result;
99 }
100 
101 void LLVMViewFunctionCFG(LLVMValueRef Fn) {
102   Function *F = unwrap<Function>(Fn);
103   F->viewCFG();
104 }
105 
106 void LLVMViewFunctionCFGOnly(LLVMValueRef Fn) {
107   Function *F = unwrap<Function>(Fn);
108   F->viewCFGOnly();
109 }
110