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