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   initializeLazyValueInfoPrinterPass(Registry);
61   initializeLintPass(Registry);
62   initializeLoopInfoWrapperPassPass(Registry);
63   initializeMemDepPrinterPass(Registry);
64   initializeMemDerefPrinterPass(Registry);
65   initializeMemoryDependenceWrapperPassPass(Registry);
66   initializeModuleDebugInfoPrinterPass(Registry);
67   initializeModuleSummaryIndexWrapperPassPass(Registry);
68   initializeObjCARCAAWrapperPassPass(Registry);
69   initializeOptimizationRemarkEmitterWrapperPassPass(Registry);
70   initializePostDominatorTreeWrapperPassPass(Registry);
71   initializeRegionInfoPassPass(Registry);
72   initializeRegionViewerPass(Registry);
73   initializeRegionPrinterPass(Registry);
74   initializeRegionOnlyViewerPass(Registry);
75   initializeRegionOnlyPrinterPass(Registry);
76   initializeSCEVAAWrapperPassPass(Registry);
77   initializeScalarEvolutionWrapperPassPass(Registry);
78   initializeTargetTransformInfoWrapperPassPass(Registry);
79   initializeTypeBasedAAWrapperPassPass(Registry);
80   initializeScopedNoAliasAAWrapperPassPass(Registry);
81   initializeLCSSAVerificationPassPass(Registry);
82   initializeMemorySSAWrapperPassPass(Registry);
83   initializeMemorySSAPrinterLegacyPassPass(Registry);
84 }
85 
86 void LLVMInitializeAnalysis(LLVMPassRegistryRef R) {
87   initializeAnalysis(*unwrap(R));
88 }
89 
90 void LLVMInitializeIPA(LLVMPassRegistryRef R) {
91   initializeAnalysis(*unwrap(R));
92 }
93 
94 LLVMBool LLVMVerifyModule(LLVMModuleRef M, LLVMVerifierFailureAction Action,
95                           char **OutMessages) {
96   raw_ostream *DebugOS = Action != LLVMReturnStatusAction ? &errs() : nullptr;
97   std::string Messages;
98   raw_string_ostream MsgsOS(Messages);
99 
100   LLVMBool Result = verifyModule(*unwrap(M), OutMessages ? &MsgsOS : DebugOS);
101 
102   // Duplicate the output to stderr.
103   if (DebugOS && OutMessages)
104     *DebugOS << MsgsOS.str();
105 
106   if (Action == LLVMAbortProcessAction && Result)
107     report_fatal_error("Broken module found, compilation aborted!");
108 
109   if (OutMessages)
110     *OutMessages = strdup(MsgsOS.str().c_str());
111 
112   return Result;
113 }
114 
115 LLVMBool LLVMVerifyFunction(LLVMValueRef Fn, LLVMVerifierFailureAction Action) {
116   LLVMBool Result = verifyFunction(
117       *unwrap<Function>(Fn), Action != LLVMReturnStatusAction ? &errs()
118                                                               : nullptr);
119 
120   if (Action == LLVMAbortProcessAction && Result)
121     report_fatal_error("Broken function found, compilation aborted!");
122 
123   return Result;
124 }
125 
126 void LLVMViewFunctionCFG(LLVMValueRef Fn) {
127   Function *F = unwrap<Function>(Fn);
128   F->viewCFG();
129 }
130 
131 void LLVMViewFunctionCFGOnly(LLVMValueRef Fn) {
132   Function *F = unwrap<Function>(Fn);
133   F->viewCFGOnly();
134 }
135