xref: /freebsd/contrib/llvm-project/llvm/lib/Analysis/Analysis.cpp (revision 5b56413d04e608379c9a306373554a8e4d321bc0)
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   initializeBasicAAWrapperPassPass(Registry);
22   initializeBlockFrequencyInfoWrapperPassPass(Registry);
23   initializeBranchProbabilityInfoWrapperPassPass(Registry);
24   initializeCallGraphWrapperPassPass(Registry);
25   initializeCallGraphDOTPrinterPass(Registry);
26   initializeCallGraphViewerPass(Registry);
27   initializeCycleInfoWrapperPassPass(Registry);
28   initializeDependenceAnalysisWrapperPassPass(Registry);
29   initializeDominanceFrontierWrapperPassPass(Registry);
30   initializeDomViewerWrapperPassPass(Registry);
31   initializeDomPrinterWrapperPassPass(Registry);
32   initializeDomOnlyViewerWrapperPassPass(Registry);
33   initializePostDomViewerWrapperPassPass(Registry);
34   initializeDomOnlyPrinterWrapperPassPass(Registry);
35   initializePostDomPrinterWrapperPassPass(Registry);
36   initializePostDomOnlyViewerWrapperPassPass(Registry);
37   initializePostDomOnlyPrinterWrapperPassPass(Registry);
38   initializeAAResultsWrapperPassPass(Registry);
39   initializeGlobalsAAWrapperPassPass(Registry);
40   initializeIVUsersWrapperPassPass(Registry);
41   initializeIntervalPartitionPass(Registry);
42   initializeIRSimilarityIdentifierWrapperPassPass(Registry);
43   initializeLazyBranchProbabilityInfoPassPass(Registry);
44   initializeLazyBlockFrequencyInfoPassPass(Registry);
45   initializeLazyValueInfoWrapperPassPass(Registry);
46   initializeLoopInfoWrapperPassPass(Registry);
47   initializeMemoryDependenceWrapperPassPass(Registry);
48   initializeModuleSummaryIndexWrapperPassPass(Registry);
49   initializeOptimizationRemarkEmitterWrapperPassPass(Registry);
50   initializePhiValuesWrapperPassPass(Registry);
51   initializePostDominatorTreeWrapperPassPass(Registry);
52   initializeRegionInfoPassPass(Registry);
53   initializeRegionViewerPass(Registry);
54   initializeRegionPrinterPass(Registry);
55   initializeRegionOnlyViewerPass(Registry);
56   initializeRegionOnlyPrinterPass(Registry);
57   initializeSCEVAAWrapperPassPass(Registry);
58   initializeScalarEvolutionWrapperPassPass(Registry);
59   initializeStackSafetyGlobalInfoWrapperPassPass(Registry);
60   initializeStackSafetyInfoWrapperPassPass(Registry);
61   initializeTargetTransformInfoWrapperPassPass(Registry);
62   initializeTypeBasedAAWrapperPassPass(Registry);
63   initializeScopedNoAliasAAWrapperPassPass(Registry);
64   initializeLCSSAVerificationPassPass(Registry);
65   initializeMemorySSAWrapperPassPass(Registry);
66 }
67 
68 LLVMBool LLVMVerifyModule(LLVMModuleRef M, LLVMVerifierFailureAction Action,
69                           char **OutMessages) {
70   raw_ostream *DebugOS = Action != LLVMReturnStatusAction ? &errs() : nullptr;
71   std::string Messages;
72   raw_string_ostream MsgsOS(Messages);
73 
74   LLVMBool Result = verifyModule(*unwrap(M), OutMessages ? &MsgsOS : DebugOS);
75 
76   // Duplicate the output to stderr.
77   if (DebugOS && OutMessages)
78     *DebugOS << MsgsOS.str();
79 
80   if (Action == LLVMAbortProcessAction && Result)
81     report_fatal_error("Broken module found, compilation aborted!");
82 
83   if (OutMessages)
84     *OutMessages = strdup(MsgsOS.str().c_str());
85 
86   return Result;
87 }
88 
89 LLVMBool LLVMVerifyFunction(LLVMValueRef Fn, LLVMVerifierFailureAction Action) {
90   LLVMBool Result = verifyFunction(
91       *unwrap<Function>(Fn), Action != LLVMReturnStatusAction ? &errs()
92                                                               : nullptr);
93 
94   if (Action == LLVMAbortProcessAction && Result)
95     report_fatal_error("Broken function found, compilation aborted!");
96 
97   return Result;
98 }
99 
100 void LLVMViewFunctionCFG(LLVMValueRef Fn) {
101   Function *F = unwrap<Function>(Fn);
102   F->viewCFG();
103 }
104 
105 void LLVMViewFunctionCFGOnly(LLVMValueRef Fn) {
106   Function *F = unwrap<Function>(Fn);
107   F->viewCFGOnly();
108 }
109