xref: /llvm-project/llvm/lib/Analysis/Analysis.cpp (revision ddcd6d6ffbc67ccd26d5add31eb75d674863ff9c)
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   initializeCallGraphPrinterLegacyPassPass(Registry);
27   initializeCallGraphViewerPass(Registry);
28   initializeCFGViewerLegacyPassPass(Registry);
29   initializeCFGPrinterLegacyPassPass(Registry);
30   initializeCFGOnlyViewerLegacyPassPass(Registry);
31   initializeCFGOnlyPrinterLegacyPassPass(Registry);
32   initializeCycleInfoWrapperPassPass(Registry);
33   initializeDependenceAnalysisWrapperPassPass(Registry);
34   initializeDelinearizationPass(Registry);
35   initializeDominanceFrontierWrapperPassPass(Registry);
36   initializeDomViewerWrapperPassPass(Registry);
37   initializeDomPrinterWrapperPassPass(Registry);
38   initializeDomOnlyViewerWrapperPassPass(Registry);
39   initializePostDomViewerWrapperPassPass(Registry);
40   initializeDomOnlyPrinterWrapperPassPass(Registry);
41   initializePostDomPrinterWrapperPassPass(Registry);
42   initializePostDomOnlyViewerWrapperPassPass(Registry);
43   initializePostDomOnlyPrinterWrapperPassPass(Registry);
44   initializeAAResultsWrapperPassPass(Registry);
45   initializeGlobalsAAWrapperPassPass(Registry);
46   initializeIVUsersWrapperPassPass(Registry);
47   initializeIntervalPartitionPass(Registry);
48   initializeIRSimilarityIdentifierWrapperPassPass(Registry);
49   initializeLazyBranchProbabilityInfoPassPass(Registry);
50   initializeLazyBlockFrequencyInfoPassPass(Registry);
51   initializeLazyValueInfoWrapperPassPass(Registry);
52   initializeLazyValueInfoPrinterPass(Registry);
53   initializeLoopInfoWrapperPassPass(Registry);
54   initializeMemoryDependenceWrapperPassPass(Registry);
55   initializeModuleSummaryIndexWrapperPassPass(Registry);
56   initializeOptimizationRemarkEmitterWrapperPassPass(Registry);
57   initializePhiValuesWrapperPassPass(Registry);
58   initializePostDominatorTreeWrapperPassPass(Registry);
59   initializeRegionInfoPassPass(Registry);
60   initializeRegionViewerPass(Registry);
61   initializeRegionPrinterPass(Registry);
62   initializeRegionOnlyViewerPass(Registry);
63   initializeRegionOnlyPrinterPass(Registry);
64   initializeSCEVAAWrapperPassPass(Registry);
65   initializeScalarEvolutionWrapperPassPass(Registry);
66   initializeStackSafetyGlobalInfoWrapperPassPass(Registry);
67   initializeStackSafetyInfoWrapperPassPass(Registry);
68   initializeTargetTransformInfoWrapperPassPass(Registry);
69   initializeTypeBasedAAWrapperPassPass(Registry);
70   initializeScopedNoAliasAAWrapperPassPass(Registry);
71   initializeLCSSAVerificationPassPass(Registry);
72   initializeMemorySSAWrapperPassPass(Registry);
73 }
74 
75 LLVMBool LLVMVerifyModule(LLVMModuleRef M, LLVMVerifierFailureAction Action,
76                           char **OutMessages) {
77   raw_ostream *DebugOS = Action != LLVMReturnStatusAction ? &errs() : nullptr;
78   std::string Messages;
79   raw_string_ostream MsgsOS(Messages);
80 
81   LLVMBool Result = verifyModule(*unwrap(M), OutMessages ? &MsgsOS : DebugOS);
82 
83   // Duplicate the output to stderr.
84   if (DebugOS && OutMessages)
85     *DebugOS << MsgsOS.str();
86 
87   if (Action == LLVMAbortProcessAction && Result)
88     report_fatal_error("Broken module found, compilation aborted!");
89 
90   if (OutMessages)
91     *OutMessages = strdup(MsgsOS.str().c_str());
92 
93   return Result;
94 }
95 
96 LLVMBool LLVMVerifyFunction(LLVMValueRef Fn, LLVMVerifierFailureAction Action) {
97   LLVMBool Result = verifyFunction(
98       *unwrap<Function>(Fn), Action != LLVMReturnStatusAction ? &errs()
99                                                               : nullptr);
100 
101   if (Action == LLVMAbortProcessAction && Result)
102     report_fatal_error("Broken function found, compilation aborted!");
103 
104   return Result;
105 }
106 
107 void LLVMViewFunctionCFG(LLVMValueRef Fn) {
108   Function *F = unwrap<Function>(Fn);
109   F->viewCFG();
110 }
111 
112 void LLVMViewFunctionCFGOnly(LLVMValueRef Fn) {
113   Function *F = unwrap<Function>(Fn);
114   F->viewCFGOnly();
115 }
116