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