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string_ostream is a safe and efficient string builder that combines opaque stack storage with a built-in ostream interface. small_string_ostream<bytes> additionally permits an explicit stack storage size other than the default 128 bytes to be provided. Beyond that, storage is transferred to the heap. This convenient class can be used in most places an std::string+raw_string_ostream pair or SmallString<>+raw_svector_ostream pair would previously have been used, in order to guarantee consistent access without byte truncation. The patch also converts much of LLVM to use the new facility. These changes include several probable bug fixes for truncated output, a programming error that's no longer possible with the new interface. llvm-svn: 211749
115 lines
4.0 KiB
C++
115 lines
4.0 KiB
C++
//===-- Analysis.cpp ------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm-c/Analysis.h"
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#include "llvm-c/Initialization.h"
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#include "llvm/IR/Module.h"
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#include "llvm/IR/Verifier.h"
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#include "llvm/InitializePasses.h"
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#include "llvm/PassRegistry.h"
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#include "llvm/Support/raw_ostream.h"
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#include <cstring>
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using namespace llvm;
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/// initializeAnalysis - Initialize all passes linked into the Analysis library.
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void llvm::initializeAnalysis(PassRegistry &Registry) {
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initializeAliasAnalysisAnalysisGroup(Registry);
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initializeAliasAnalysisCounterPass(Registry);
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initializeAAEvalPass(Registry);
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initializeAliasDebuggerPass(Registry);
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initializeAliasSetPrinterPass(Registry);
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initializeNoAAPass(Registry);
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initializeBasicAliasAnalysisPass(Registry);
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initializeBlockFrequencyInfoPass(Registry);
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initializeBranchProbabilityInfoPass(Registry);
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initializeCostModelAnalysisPass(Registry);
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initializeCFGViewerPass(Registry);
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initializeCFGPrinterPass(Registry);
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initializeCFGOnlyViewerPass(Registry);
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initializeCFGOnlyPrinterPass(Registry);
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initializeDependenceAnalysisPass(Registry);
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initializeDelinearizationPass(Registry);
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initializeDominanceFrontierPass(Registry);
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initializeDomViewerPass(Registry);
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initializeDomPrinterPass(Registry);
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initializeDomOnlyViewerPass(Registry);
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initializePostDomViewerPass(Registry);
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initializeDomOnlyPrinterPass(Registry);
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initializePostDomPrinterPass(Registry);
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initializePostDomOnlyViewerPass(Registry);
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initializePostDomOnlyPrinterPass(Registry);
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initializeIVUsersPass(Registry);
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initializeInstCountPass(Registry);
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initializeIntervalPartitionPass(Registry);
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initializeJumpInstrTableInfoPass(Registry);
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initializeLazyValueInfoPass(Registry);
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initializeLibCallAliasAnalysisPass(Registry);
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initializeLintPass(Registry);
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initializeLoopInfoPass(Registry);
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initializeMemDepPrinterPass(Registry);
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initializeMemoryDependenceAnalysisPass(Registry);
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initializeModuleDebugInfoPrinterPass(Registry);
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initializePostDominatorTreePass(Registry);
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initializeRegionInfoPass(Registry);
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initializeRegionViewerPass(Registry);
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initializeRegionPrinterPass(Registry);
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initializeRegionOnlyViewerPass(Registry);
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initializeRegionOnlyPrinterPass(Registry);
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initializeScalarEvolutionPass(Registry);
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initializeScalarEvolutionAliasAnalysisPass(Registry);
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initializeTargetTransformInfoAnalysisGroup(Registry);
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initializeTypeBasedAliasAnalysisPass(Registry);
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}
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void LLVMInitializeAnalysis(LLVMPassRegistryRef R) {
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initializeAnalysis(*unwrap(R));
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}
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LLVMBool LLVMVerifyModule(LLVMModuleRef M, LLVMVerifierFailureAction Action,
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char **OutMessages) {
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raw_ostream *DebugOS = Action != LLVMReturnStatusAction ? &errs() : nullptr;
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string_ostream MsgsOS;
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LLVMBool Result = verifyModule(*unwrap(M), OutMessages ? &MsgsOS : DebugOS);
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// Duplicate the output to stderr.
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if (DebugOS && OutMessages)
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*DebugOS << MsgsOS.str();
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if (Action == LLVMAbortProcessAction && Result)
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report_fatal_error("Broken module found, compilation aborted!");
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if (OutMessages)
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*OutMessages = strndup(MsgsOS.str().data(), MsgsOS.str().size());
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return Result;
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}
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LLVMBool LLVMVerifyFunction(LLVMValueRef Fn, LLVMVerifierFailureAction Action) {
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LLVMBool Result = verifyFunction(
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*unwrap<Function>(Fn), Action != LLVMReturnStatusAction ? &errs()
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: nullptr);
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if (Action == LLVMAbortProcessAction && Result)
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report_fatal_error("Broken function found, compilation aborted!");
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return Result;
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}
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void LLVMViewFunctionCFG(LLVMValueRef Fn) {
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Function *F = unwrap<Function>(Fn);
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F->viewCFG();
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}
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void LLVMViewFunctionCFGOnly(LLVMValueRef Fn) {
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Function *F = unwrap<Function>(Fn);
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F->viewCFGOnly();
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}
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