1 //===-- Analysis.cpp ------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "llvm-c/Analysis.h"
10 #include "llvm/IR/Module.h"
11 #include "llvm/IR/Verifier.h"
12 #include "llvm/InitializePasses.h"
13 #include "llvm/PassRegistry.h"
14 #include "llvm/Support/raw_ostream.h"
15 #include <cstring>
16 
17 using namespace llvm;
18 
19 /// initializeAnalysis - Initialize all passes linked into the Analysis library.
20 void llvm::initializeAnalysis(PassRegistry &Registry) {
21   initializeAAEvalLegacyPassPass(Registry);
22   initializeBasicAAWrapperPassPass(Registry);
23   initializeBlockFrequencyInfoWrapperPassPass(Registry);
24   initializeBranchProbabilityInfoWrapperPassPass(Registry);
25   initializeCallGraphWrapperPassPass(Registry);
26   initializeCallGraphDOTPrinterPass(Registry);
27   initializeCallGraphPrinterLegacyPassPass(Registry);
28   initializeCallGraphViewerPass(Registry);
29   initializeCostModelAnalysisPass(Registry);
30   initializeCFGViewerLegacyPassPass(Registry);
31   initializeCFGPrinterLegacyPassPass(Registry);
32   initializeCFGOnlyViewerLegacyPassPass(Registry);
33   initializeCFGOnlyPrinterLegacyPassPass(Registry);
34   initializeCycleInfoWrapperPassPass(Registry);
35   initializeDependenceAnalysisWrapperPassPass(Registry);
36   initializeDelinearizationPass(Registry);
37   initializeDominanceFrontierWrapperPassPass(Registry);
38   initializeDomViewerWrapperPassPass(Registry);
39   initializeDomPrinterWrapperPassPass(Registry);
40   initializeDomOnlyViewerWrapperPassPass(Registry);
41   initializePostDomViewerWrapperPassPass(Registry);
42   initializeDomOnlyPrinterWrapperPassPass(Registry);
43   initializePostDomPrinterWrapperPassPass(Registry);
44   initializePostDomOnlyViewerWrapperPassPass(Registry);
45   initializePostDomOnlyPrinterWrapperPassPass(Registry);
46   initializeAAResultsWrapperPassPass(Registry);
47   initializeGlobalsAAWrapperPassPass(Registry);
48   initializeIVUsersWrapperPassPass(Registry);
49   initializeInstCountLegacyPassPass(Registry);
50   initializeIntervalPartitionPass(Registry);
51   initializeIRSimilarityIdentifierWrapperPassPass(Registry);
52   initializeLazyBranchProbabilityInfoPassPass(Registry);
53   initializeLazyBlockFrequencyInfoPassPass(Registry);
54   initializeLazyValueInfoWrapperPassPass(Registry);
55   initializeLazyValueInfoPrinterPass(Registry);
56   initializeLoopInfoWrapperPassPass(Registry);
57   initializeMemoryDependenceWrapperPassPass(Registry);
58   initializeModuleSummaryIndexWrapperPassPass(Registry);
59   initializeOptimizationRemarkEmitterWrapperPassPass(Registry);
60   initializePhiValuesWrapperPassPass(Registry);
61   initializePostDominatorTreeWrapperPassPass(Registry);
62   initializeRegionInfoPassPass(Registry);
63   initializeRegionViewerPass(Registry);
64   initializeRegionPrinterPass(Registry);
65   initializeRegionOnlyViewerPass(Registry);
66   initializeRegionOnlyPrinterPass(Registry);
67   initializeSCEVAAWrapperPassPass(Registry);
68   initializeScalarEvolutionWrapperPassPass(Registry);
69   initializeStackSafetyGlobalInfoWrapperPassPass(Registry);
70   initializeStackSafetyInfoWrapperPassPass(Registry);
71   initializeTargetTransformInfoWrapperPassPass(Registry);
72   initializeTypeBasedAAWrapperPassPass(Registry);
73   initializeScopedNoAliasAAWrapperPassPass(Registry);
74   initializeLCSSAVerificationPassPass(Registry);
75   initializeMemorySSAWrapperPassPass(Registry);
76 }
77 
78 LLVMBool LLVMVerifyModule(LLVMModuleRef M, LLVMVerifierFailureAction Action,
79                           char **OutMessages) {
80   raw_ostream *DebugOS = Action != LLVMReturnStatusAction ? &errs() : nullptr;
81   std::string Messages;
82   raw_string_ostream MsgsOS(Messages);
83 
84   LLVMBool Result = verifyModule(*unwrap(M), OutMessages ? &MsgsOS : DebugOS);
85 
86   // Duplicate the output to stderr.
87   if (DebugOS && OutMessages)
88     *DebugOS << MsgsOS.str();
89 
90   if (Action == LLVMAbortProcessAction && Result)
91     report_fatal_error("Broken module found, compilation aborted!");
92 
93   if (OutMessages)
94     *OutMessages = strdup(MsgsOS.str().c_str());
95 
96   return Result;
97 }
98 
99 LLVMBool LLVMVerifyFunction(LLVMValueRef Fn, LLVMVerifierFailureAction Action) {
100   LLVMBool Result = verifyFunction(
101       *unwrap<Function>(Fn), Action != LLVMReturnStatusAction ? &errs()
102                                                               : nullptr);
103 
104   if (Action == LLVMAbortProcessAction && Result)
105     report_fatal_error("Broken function found, compilation aborted!");
106 
107   return Result;
108 }
109 
110 void LLVMViewFunctionCFG(LLVMValueRef Fn) {
111   Function *F = unwrap<Function>(Fn);
112   F->viewCFG();
113 }
114 
115 void LLVMViewFunctionCFGOnly(LLVMValueRef Fn) {
116   Function *F = unwrap<Function>(Fn);
117   F->viewCFGOnly();
118 }
119