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   initializeDominanceFrontierWrapperPassPass(Registry);
43   initializeDomViewerPass(Registry);
44   initializeDomPrinterPass(Registry);
45   initializeDomOnlyViewerPass(Registry);
46   initializePostDomViewerPass(Registry);
47   initializeDomOnlyPrinterPass(Registry);
48   initializePostDomPrinterPass(Registry);
49   initializePostDomOnlyViewerPass(Registry);
50   initializePostDomOnlyPrinterPass(Registry);
51   initializeAAResultsWrapperPassPass(Registry);
52   initializeGlobalsAAWrapperPassPass(Registry);
53   initializeIVUsersWrapperPassPass(Registry);
54   initializeInstCountPass(Registry);
55   initializeIntervalPartitionPass(Registry);
56   initializeLazyBranchProbabilityInfoPassPass(Registry);
57   initializeLazyBlockFrequencyInfoPassPass(Registry);
58   initializeLazyValueInfoWrapperPassPass(Registry);
59   initializeLazyValueInfoPrinterPass(Registry);
60   initializeLegacyDivergenceAnalysisPass(Registry);
61   initializeLintPass(Registry);
62   initializeLoopInfoWrapperPassPass(Registry);
63   initializeMemDepPrinterPass(Registry);
64   initializeMemDerefPrinterPass(Registry);
65   initializeMemoryDependenceWrapperPassPass(Registry);
66   initializeModuleDebugInfoPrinterPass(Registry);
67   initializeModuleSummaryIndexWrapperPassPass(Registry);
68   initializeMustExecutePrinterPass(Registry);
69   initializeObjCARCAAWrapperPassPass(Registry);
70   initializeOptimizationRemarkEmitterWrapperPassPass(Registry);
71   initializePhiValuesWrapperPassPass(Registry);
72   initializePostDominatorTreeWrapperPassPass(Registry);
73   initializeRegionInfoPassPass(Registry);
74   initializeRegionViewerPass(Registry);
75   initializeRegionPrinterPass(Registry);
76   initializeRegionOnlyViewerPass(Registry);
77   initializeRegionOnlyPrinterPass(Registry);
78   initializeSCEVAAWrapperPassPass(Registry);
79   initializeScalarEvolutionWrapperPassPass(Registry);
80   initializeStackSafetyGlobalInfoWrapperPassPass(Registry);
81   initializeStackSafetyInfoWrapperPassPass(Registry);
82   initializeTargetTransformInfoWrapperPassPass(Registry);
83   initializeTypeBasedAAWrapperPassPass(Registry);
84   initializeScopedNoAliasAAWrapperPassPass(Registry);
85   initializeLCSSAVerificationPassPass(Registry);
86   initializeMemorySSAWrapperPassPass(Registry);
87   initializeMemorySSAPrinterLegacyPassPass(Registry);
88 }
89 
90 void LLVMInitializeAnalysis(LLVMPassRegistryRef R) {
91   initializeAnalysis(*unwrap(R));
92 }
93 
94 void LLVMInitializeIPA(LLVMPassRegistryRef R) {
95   initializeAnalysis(*unwrap(R));
96 }
97 
98 LLVMBool LLVMVerifyModule(LLVMModuleRef M, LLVMVerifierFailureAction Action,
99                           char **OutMessages) {
100   raw_ostream *DebugOS = Action != LLVMReturnStatusAction ? &errs() : nullptr;
101   std::string Messages;
102   raw_string_ostream MsgsOS(Messages);
103 
104   LLVMBool Result = verifyModule(*unwrap(M), OutMessages ? &MsgsOS : DebugOS);
105 
106   // Duplicate the output to stderr.
107   if (DebugOS && OutMessages)
108     *DebugOS << MsgsOS.str();
109 
110   if (Action == LLVMAbortProcessAction && Result)
111     report_fatal_error("Broken module found, compilation aborted!");
112 
113   if (OutMessages)
114     *OutMessages = strdup(MsgsOS.str().c_str());
115 
116   return Result;
117 }
118 
119 LLVMBool LLVMVerifyFunction(LLVMValueRef Fn, LLVMVerifierFailureAction Action) {
120   LLVMBool Result = verifyFunction(
121       *unwrap<Function>(Fn), Action != LLVMReturnStatusAction ? &errs()
122                                                               : nullptr);
123 
124   if (Action == LLVMAbortProcessAction && Result)
125     report_fatal_error("Broken function found, compilation aborted!");
126 
127   return Result;
128 }
129 
130 void LLVMViewFunctionCFG(LLVMValueRef Fn) {
131   Function *F = unwrap<Function>(Fn);
132   F->viewCFG();
133 }
134 
135 void LLVMViewFunctionCFGOnly(LLVMValueRef Fn) {
136   Function *F = unwrap<Function>(Fn);
137   F->viewCFGOnly();
138 }
139