1 //===-- Analysis.cpp ------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "llvm-c/Analysis.h"
11 #include "llvm-c/Initialization.h"
12 #include "llvm/IR/Module.h"
13 #include "llvm/IR/Verifier.h"
14 #include "llvm/InitializePasses.h"
15 #include "llvm/PassRegistry.h"
16 #include "llvm/Support/raw_ostream.h"
17 #include <cstring>
18 
19 using namespace llvm;
20 
21 /// initializeAnalysis - Initialize all passes linked into the Analysis library.
22 void llvm::initializeAnalysis(PassRegistry &Registry) {
23   initializeAAEvalLegacyPassPass(Registry);
24   initializeAliasSetPrinterPass(Registry);
25   initializeBasicAAWrapperPassPass(Registry);
26   initializeBlockFrequencyInfoWrapperPassPass(Registry);
27   initializeBranchProbabilityInfoWrapperPassPass(Registry);
28   initializeCallGraphWrapperPassPass(Registry);
29   initializeCallGraphDOTPrinterPass(Registry);
30   initializeCallGraphPrinterLegacyPassPass(Registry);
31   initializeCallGraphViewerPass(Registry);
32   initializeCostModelAnalysisPass(Registry);
33   initializeCFGViewerLegacyPassPass(Registry);
34   initializeCFGPrinterLegacyPassPass(Registry);
35   initializeCFGOnlyViewerLegacyPassPass(Registry);
36   initializeCFGOnlyPrinterLegacyPassPass(Registry);
37   initializeCFLAndersAAWrapperPassPass(Registry);
38   initializeCFLSteensAAWrapperPassPass(Registry);
39   initializeDependenceAnalysisWrapperPassPass(Registry);
40   initializeDelinearizationPass(Registry);
41   initializeDemandedBitsWrapperPassPass(Registry);
42   initializeDivergenceAnalysisPass(Registry);
43   initializeDominanceFrontierWrapperPassPass(Registry);
44   initializeDomViewerPass(Registry);
45   initializeDomPrinterPass(Registry);
46   initializeDomOnlyViewerPass(Registry);
47   initializePostDomViewerPass(Registry);
48   initializeDomOnlyPrinterPass(Registry);
49   initializePostDomPrinterPass(Registry);
50   initializePostDomOnlyViewerPass(Registry);
51   initializePostDomOnlyPrinterPass(Registry);
52   initializeAAResultsWrapperPassPass(Registry);
53   initializeGlobalsAAWrapperPassPass(Registry);
54   initializeIVUsersWrapperPassPass(Registry);
55   initializeInstCountPass(Registry);
56   initializeIntervalPartitionPass(Registry);
57   initializeLazyBranchProbabilityInfoPassPass(Registry);
58   initializeLazyBlockFrequencyInfoPassPass(Registry);
59   initializeLazyValueInfoWrapperPassPass(Registry);
60   initializeLintPass(Registry);
61   initializeLoopInfoWrapperPassPass(Registry);
62   initializeMemDepPrinterPass(Registry);
63   initializeMemDerefPrinterPass(Registry);
64   initializeMemoryDependenceWrapperPassPass(Registry);
65   initializeModuleDebugInfoPrinterPass(Registry);
66   initializeModuleSummaryIndexWrapperPassPass(Registry);
67   initializeObjCARCAAWrapperPassPass(Registry);
68   initializeOptimizationRemarkEmitterWrapperPassPass(Registry);
69   initializePostDominatorTreeWrapperPassPass(Registry);
70   initializeRegionInfoPassPass(Registry);
71   initializeRegionViewerPass(Registry);
72   initializeRegionPrinterPass(Registry);
73   initializeRegionOnlyViewerPass(Registry);
74   initializeRegionOnlyPrinterPass(Registry);
75   initializeSCEVAAWrapperPassPass(Registry);
76   initializeScalarEvolutionWrapperPassPass(Registry);
77   initializeTargetTransformInfoWrapperPassPass(Registry);
78   initializeTypeBasedAAWrapperPassPass(Registry);
79   initializeScopedNoAliasAAWrapperPassPass(Registry);
80   initializeLCSSAVerificationPassPass(Registry);
81 }
82 
83 void LLVMInitializeAnalysis(LLVMPassRegistryRef R) {
84   initializeAnalysis(*unwrap(R));
85 }
86 
87 void LLVMInitializeIPA(LLVMPassRegistryRef R) {
88   initializeAnalysis(*unwrap(R));
89 }
90 
91 LLVMBool LLVMVerifyModule(LLVMModuleRef M, LLVMVerifierFailureAction Action,
92                           char **OutMessages) {
93   raw_ostream *DebugOS = Action != LLVMReturnStatusAction ? &errs() : nullptr;
94   std::string Messages;
95   raw_string_ostream MsgsOS(Messages);
96 
97   LLVMBool Result = verifyModule(*unwrap(M), OutMessages ? &MsgsOS : DebugOS);
98 
99   // Duplicate the output to stderr.
100   if (DebugOS && OutMessages)
101     *DebugOS << MsgsOS.str();
102 
103   if (Action == LLVMAbortProcessAction && Result)
104     report_fatal_error("Broken module found, compilation aborted!");
105 
106   if (OutMessages)
107     *OutMessages = strdup(MsgsOS.str().c_str());
108 
109   return Result;
110 }
111 
112 LLVMBool LLVMVerifyFunction(LLVMValueRef Fn, LLVMVerifierFailureAction Action) {
113   LLVMBool Result = verifyFunction(
114       *unwrap<Function>(Fn), Action != LLVMReturnStatusAction ? &errs()
115                                                               : nullptr);
116 
117   if (Action == LLVMAbortProcessAction && Result)
118     report_fatal_error("Broken function found, compilation aborted!");
119 
120   return Result;
121 }
122 
123 void LLVMViewFunctionCFG(LLVMValueRef Fn) {
124   Function *F = unwrap<Function>(Fn);
125   F->viewCFG();
126 }
127 
128 void LLVMViewFunctionCFGOnly(LLVMValueRef Fn) {
129   Function *F = unwrap<Function>(Fn);
130   F->viewCFGOnly();
131 }
132