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15e85ff776
Summary: This is necessary for D21771. In order to add the hotness attribute to optimization remarks we need BFI to be available in all passes that emit optimization remarks. However we don't want to pay for computing BFI unless the hotness attribute is requested. This is achieved by making BFI lazy at the very high-level through a new analysis pass -- BFI is not calculated unless requested. I am adding a test to check the laziness under D21771 where the first user of the analysis is added. Reviewers: hfinkel, dexonsmith, davidxl Subscribers: davidxl, dexonsmith, llvm-commits Differential Revision: http://reviews.llvm.org/D22141 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@275250 91177308-0d34-0410-b5e6-96231b3b80d8
129 lines
4.6 KiB
C++
129 lines
4.6 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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initializeAAEvalLegacyPassPass(Registry);
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initializeAliasSetPrinterPass(Registry);
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initializeBasicAAWrapperPassPass(Registry);
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initializeBlockFrequencyInfoWrapperPassPass(Registry);
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initializeBranchProbabilityInfoWrapperPassPass(Registry);
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initializeCallGraphWrapperPassPass(Registry);
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initializeCallGraphDOTPrinterPass(Registry);
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initializeCallGraphPrinterLegacyPassPass(Registry);
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initializeCallGraphViewerPass(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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initializeCFLAndersAAWrapperPassPass(Registry);
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initializeCFLSteensAAWrapperPassPass(Registry);
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initializeDependenceAnalysisWrapperPassPass(Registry);
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initializeDelinearizationPass(Registry);
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initializeDemandedBitsWrapperPassPass(Registry);
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initializeDivergenceAnalysisPass(Registry);
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initializeDominanceFrontierWrapperPassPass(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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initializeAAResultsWrapperPassPass(Registry);
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initializeGlobalsAAWrapperPassPass(Registry);
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initializeIVUsersPass(Registry);
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initializeInstCountPass(Registry);
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initializeIntervalPartitionPass(Registry);
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initializeLazyBlockFrequencyInfoPassPass(Registry);
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initializeLazyValueInfoWrapperPassPass(Registry);
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initializeLintPass(Registry);
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initializeLoopInfoWrapperPassPass(Registry);
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initializeMemDepPrinterPass(Registry);
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initializeMemDerefPrinterPass(Registry);
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initializeMemoryDependenceWrapperPassPass(Registry);
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initializeModuleDebugInfoPrinterPass(Registry);
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initializeModuleSummaryIndexWrapperPassPass(Registry);
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initializeObjCARCAAWrapperPassPass(Registry);
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initializePostDominatorTreeWrapperPassPass(Registry);
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initializeRegionInfoPassPass(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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initializeSCEVAAWrapperPassPass(Registry);
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initializeScalarEvolutionWrapperPassPass(Registry);
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initializeTargetTransformInfoWrapperPassPass(Registry);
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initializeTypeBasedAAWrapperPassPass(Registry);
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initializeScopedNoAliasAAWrapperPassPass(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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void LLVMInitializeIPA(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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std::string Messages;
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raw_string_ostream MsgsOS(Messages);
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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 = strdup(MsgsOS.str().c_str());
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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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