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