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   initializeAliasAnalysisAnalysisGroup(Registry);
24   initializeAliasAnalysisCounterPass(Registry);
25   initializeAAEvalPass(Registry);
26   initializeAliasSetPrinterPass(Registry);
27   initializeNoAAPass(Registry);
28   initializeBasicAliasAnalysisPass(Registry);
29   initializeBlockFrequencyInfoWrapperPassPass(Registry);
30   initializeBranchProbabilityInfoWrapperPassPass(Registry);
31   initializeCallGraphWrapperPassPass(Registry);
32   initializeCallGraphPrinterPass(Registry);
33   initializeCallGraphViewerPass(Registry);
34   initializeCostModelAnalysisPass(Registry);
35   initializeCFGViewerPass(Registry);
36   initializeCFGPrinterPass(Registry);
37   initializeCFGOnlyViewerPass(Registry);
38   initializeCFGOnlyPrinterPass(Registry);
39   initializeCFLAliasAnalysisPass(Registry);
40   initializeDependenceAnalysisPass(Registry);
41   initializeDelinearizationPass(Registry);
42   initializeDemandedBitsPass(Registry);
43   initializeDivergenceAnalysisPass(Registry);
44   initializeDominanceFrontierPass(Registry);
45   initializeDomViewerPass(Registry);
46   initializeDomPrinterPass(Registry);
47   initializeDomOnlyViewerPass(Registry);
48   initializePostDomViewerPass(Registry);
49   initializeDomOnlyPrinterPass(Registry);
50   initializePostDomPrinterPass(Registry);
51   initializePostDomOnlyViewerPass(Registry);
52   initializePostDomOnlyPrinterPass(Registry);
53   initializeGlobalsModRefPass(Registry);
54   initializeIVUsersPass(Registry);
55   initializeInstCountPass(Registry);
56   initializeIntervalPartitionPass(Registry);
57   initializeLazyValueInfoPass(Registry);
58   initializeLintPass(Registry);
59   initializeLoopInfoWrapperPassPass(Registry);
60   initializeMemDepPrinterPass(Registry);
61   initializeMemDerefPrinterPass(Registry);
62   initializeMemoryDependenceAnalysisPass(Registry);
63   initializeModuleDebugInfoPrinterPass(Registry);
64   initializeObjCARCAliasAnalysisPass(Registry);
65   initializePostDominatorTreePass(Registry);
66   initializeRegionInfoPassPass(Registry);
67   initializeRegionViewerPass(Registry);
68   initializeRegionPrinterPass(Registry);
69   initializeRegionOnlyViewerPass(Registry);
70   initializeRegionOnlyPrinterPass(Registry);
71   initializeScalarEvolutionWrapperPassPass(Registry);
72   initializeScalarEvolutionAliasAnalysisPass(Registry);
73   initializeTargetTransformInfoWrapperPassPass(Registry);
74   initializeTypeBasedAliasAnalysisPass(Registry);
75   initializeScopedNoAliasAAPass(Registry);
76 }
77 
78 void LLVMInitializeAnalysis(LLVMPassRegistryRef R) {
79   initializeAnalysis(*unwrap(R));
80 }
81 
82 void LLVMInitializeIPA(LLVMPassRegistryRef R) {
83   initializeAnalysis(*unwrap(R));
84 }
85 
86 LLVMBool LLVMVerifyModule(LLVMModuleRef M, LLVMVerifierFailureAction Action,
87                           char **OutMessages) {
88   raw_ostream *DebugOS = Action != LLVMReturnStatusAction ? &errs() : nullptr;
89   std::string Messages;
90   raw_string_ostream MsgsOS(Messages);
91 
92   LLVMBool Result = verifyModule(*unwrap(M), OutMessages ? &MsgsOS : DebugOS);
93 
94   // Duplicate the output to stderr.
95   if (DebugOS && OutMessages)
96     *DebugOS << MsgsOS.str();
97 
98   if (Action == LLVMAbortProcessAction && Result)
99     report_fatal_error("Broken module found, compilation aborted!");
100 
101   if (OutMessages)
102     *OutMessages = strdup(MsgsOS.str().c_str());
103 
104   return Result;
105 }
106 
107 LLVMBool LLVMVerifyFunction(LLVMValueRef Fn, LLVMVerifierFailureAction Action) {
108   LLVMBool Result = verifyFunction(
109       *unwrap<Function>(Fn), Action != LLVMReturnStatusAction ? &errs()
110                                                               : nullptr);
111 
112   if (Action == LLVMAbortProcessAction && Result)
113     report_fatal_error("Broken function found, compilation aborted!");
114 
115   return Result;
116 }
117 
118 void LLVMViewFunctionCFG(LLVMValueRef Fn) {
119   Function *F = unwrap<Function>(Fn);
120   F->viewCFG();
121 }
122 
123 void LLVMViewFunctionCFGOnly(LLVMValueRef Fn) {
124   Function *F = unwrap<Function>(Fn);
125   F->viewCFGOnly();
126 }
127