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An irreducible SCC is one which has multiple "header" blocks, i.e., blocks with control-flow edges incident from outside the SCC. This pass converts an irreducible SCC into a natural loop by introducing a single new header block and redirecting all the edges on the original headers to this new block. This is a useful workaround for a limitation in the structurizer which, which produces incorrect control flow in the presence of irreducible regions. The AMDGPU backend provides an option to enable this pass before the structurizer, which may eventually be enabled by default. Reviewed By: nhaehnle Differential Revision: https://reviews.llvm.org/D77198 This restores commit 2ada8e2525dd2653f30c8696a27162a3b1647d66. Originally reverted with commit 44e09b59b869a91bf47d76e8bc569d9ee91ad145.
253 lines
11 KiB
C++
253 lines
11 KiB
C++
//===- llvm/LinkAllPasses.h ------------ Reference All Passes ---*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This header file pulls in all transformation and analysis passes for tools
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// like opt and bugpoint that need this functionality.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LINKALLPASSES_H
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#define LLVM_LINKALLPASSES_H
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#include "llvm/ADT/Statistic.h"
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#include "llvm/Analysis/AliasAnalysisEvaluator.h"
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#include "llvm/Analysis/AliasSetTracker.h"
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#include "llvm/Analysis/BasicAliasAnalysis.h"
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#include "llvm/Analysis/CFLAndersAliasAnalysis.h"
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#include "llvm/Analysis/CFLSteensAliasAnalysis.h"
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#include "llvm/Analysis/CallPrinter.h"
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#include "llvm/Analysis/DomPrinter.h"
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#include "llvm/Analysis/GlobalsModRef.h"
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#include "llvm/Analysis/IntervalPartition.h"
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#include "llvm/Analysis/Lint.h"
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#include "llvm/Analysis/Passes.h"
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#include "llvm/Analysis/PostDominators.h"
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#include "llvm/Analysis/RegionPass.h"
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#include "llvm/Analysis/RegionPrinter.h"
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#include "llvm/Analysis/ScalarEvolution.h"
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#include "llvm/Analysis/ScalarEvolutionAliasAnalysis.h"
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#include "llvm/Analysis/ScopedNoAliasAA.h"
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#include "llvm/Analysis/TargetLibraryInfo.h"
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#include "llvm/Analysis/TypeBasedAliasAnalysis.h"
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#include "llvm/CodeGen/Passes.h"
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#include "llvm/IR/Function.h"
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#include "llvm/IR/IRPrintingPasses.h"
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#include "llvm/Support/Valgrind.h"
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#include "llvm/Transforms/AggressiveInstCombine/AggressiveInstCombine.h"
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#include "llvm/Transforms/IPO.h"
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#include "llvm/Transforms/IPO/AlwaysInliner.h"
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#include "llvm/Transforms/IPO/Attributor.h"
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#include "llvm/Transforms/IPO/FunctionAttrs.h"
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#include "llvm/Transforms/InstCombine/InstCombine.h"
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#include "llvm/Transforms/Instrumentation.h"
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#include "llvm/Transforms/Instrumentation/BoundsChecking.h"
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#include "llvm/Transforms/ObjCARC.h"
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#include "llvm/Transforms/Scalar.h"
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#include "llvm/Transforms/Scalar/GVN.h"
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#include "llvm/Transforms/Scalar/InstSimplifyPass.h"
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#include "llvm/Transforms/Scalar/Scalarizer.h"
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#include "llvm/Transforms/Utils.h"
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#include "llvm/Transforms/Utils/SymbolRewriter.h"
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#include "llvm/Transforms/Utils/UnifyFunctionExitNodes.h"
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#include "llvm/Transforms/Vectorize.h"
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#include <cstdlib>
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namespace {
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struct ForcePassLinking {
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ForcePassLinking() {
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// We must reference the passes in such a way that compilers will not
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// delete it all as dead code, even with whole program optimization,
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// yet is effectively a NO-OP. As the compiler isn't smart enough
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// to know that getenv() never returns -1, this will do the job.
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if (std::getenv("bar") != (char*) -1)
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return;
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(void) llvm::createAAEvalPass();
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(void) llvm::createAggressiveDCEPass();
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(void) llvm::createAggressiveInstCombinerPass();
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(void) llvm::createBitTrackingDCEPass();
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(void) llvm::createOpenMPOptLegacyPass();
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(void) llvm::createArgumentPromotionPass();
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(void) llvm::createAlignmentFromAssumptionsPass();
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(void) llvm::createBasicAAWrapperPass();
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(void) llvm::createSCEVAAWrapperPass();
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(void) llvm::createTypeBasedAAWrapperPass();
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(void) llvm::createScopedNoAliasAAWrapperPass();
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(void) llvm::createBoundsCheckingLegacyPass();
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(void) llvm::createBreakCriticalEdgesPass();
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(void) llvm::createCallGraphDOTPrinterPass();
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(void) llvm::createCallGraphViewerPass();
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(void) llvm::createCFGSimplificationPass();
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(void) llvm::createCFLAndersAAWrapperPass();
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(void) llvm::createCFLSteensAAWrapperPass();
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(void) llvm::createStructurizeCFGPass();
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(void) llvm::createLibCallsShrinkWrapPass();
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(void) llvm::createCalledValuePropagationPass();
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(void) llvm::createConstantMergePass();
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(void) llvm::createConstantPropagationPass();
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(void) llvm::createControlHeightReductionLegacyPass();
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(void) llvm::createCostModelAnalysisPass();
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(void) llvm::createDeadArgEliminationPass();
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(void) llvm::createDeadCodeEliminationPass();
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(void) llvm::createDeadInstEliminationPass();
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(void) llvm::createDeadStoreEliminationPass();
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(void) llvm::createDependenceAnalysisWrapperPass();
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(void) llvm::createDomOnlyPrinterPass();
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(void) llvm::createDomPrinterPass();
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(void) llvm::createDomOnlyViewerPass();
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(void) llvm::createDomViewerPass();
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(void) llvm::createGCOVProfilerPass();
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(void) llvm::createPGOInstrumentationGenLegacyPass();
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(void) llvm::createPGOInstrumentationUseLegacyPass();
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(void) llvm::createPGOInstrumentationGenCreateVarLegacyPass();
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(void) llvm::createPGOIndirectCallPromotionLegacyPass();
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(void) llvm::createPGOMemOPSizeOptLegacyPass();
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(void) llvm::createInstrProfilingLegacyPass();
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(void) llvm::createFunctionImportPass();
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(void) llvm::createFunctionInliningPass();
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(void) llvm::createAlwaysInlinerLegacyPass();
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(void) llvm::createGlobalDCEPass();
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(void) llvm::createGlobalOptimizerPass();
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(void) llvm::createGlobalsAAWrapperPass();
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(void) llvm::createGuardWideningPass();
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(void) llvm::createLoopGuardWideningPass();
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(void) llvm::createIPConstantPropagationPass();
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(void) llvm::createIPSCCPPass();
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(void) llvm::createInductiveRangeCheckEliminationPass();
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(void) llvm::createIndVarSimplifyPass();
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(void) llvm::createInstSimplifyLegacyPass();
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(void) llvm::createInstructionCombiningPass();
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(void) llvm::createInternalizePass();
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(void) llvm::createLCSSAPass();
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(void) llvm::createLegacyDivergenceAnalysisPass();
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(void) llvm::createLICMPass();
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(void) llvm::createLoopSinkPass();
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(void) llvm::createLazyValueInfoPass();
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(void) llvm::createLoopExtractorPass();
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(void) llvm::createLoopInterchangePass();
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(void) llvm::createLoopPredicationPass();
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(void) llvm::createLoopSimplifyPass();
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(void) llvm::createLoopSimplifyCFGPass();
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(void) llvm::createLoopStrengthReducePass();
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(void) llvm::createLoopRerollPass();
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(void) llvm::createLoopUnrollPass();
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(void) llvm::createLoopUnrollAndJamPass();
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(void) llvm::createLoopUnswitchPass();
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(void) llvm::createLoopVersioningLICMPass();
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(void) llvm::createLoopIdiomPass();
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(void) llvm::createLoopRotatePass();
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(void) llvm::createLowerConstantIntrinsicsPass();
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(void) llvm::createLowerExpectIntrinsicPass();
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(void) llvm::createLowerInvokePass();
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(void) llvm::createLowerSwitchPass();
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(void) llvm::createNaryReassociatePass();
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(void) llvm::createObjCARCAAWrapperPass();
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(void) llvm::createObjCARCAPElimPass();
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(void) llvm::createObjCARCExpandPass();
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(void) llvm::createObjCARCContractPass();
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(void) llvm::createObjCARCOptPass();
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(void) llvm::createPAEvalPass();
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(void) llvm::createPromoteMemoryToRegisterPass();
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(void) llvm::createDemoteRegisterToMemoryPass();
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(void) llvm::createPruneEHPass();
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(void) llvm::createPostDomOnlyPrinterPass();
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(void) llvm::createPostDomPrinterPass();
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(void) llvm::createPostDomOnlyViewerPass();
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(void) llvm::createPostDomViewerPass();
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(void) llvm::createReassociatePass();
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(void) llvm::createRedundantDbgInstEliminationPass();
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(void) llvm::createRegionInfoPass();
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(void) llvm::createRegionOnlyPrinterPass();
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(void) llvm::createRegionOnlyViewerPass();
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(void) llvm::createRegionPrinterPass();
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(void) llvm::createRegionViewerPass();
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(void) llvm::createSCCPPass();
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(void) llvm::createSafeStackPass();
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(void) llvm::createSROAPass();
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(void) llvm::createSingleLoopExtractorPass();
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(void) llvm::createStripSymbolsPass();
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(void) llvm::createStripNonDebugSymbolsPass();
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(void) llvm::createStripDeadDebugInfoPass();
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(void) llvm::createStripDeadPrototypesPass();
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(void) llvm::createTailCallEliminationPass();
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(void) llvm::createJumpThreadingPass();
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(void) llvm::createUnifyFunctionExitNodesPass();
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(void) llvm::createInstCountPass();
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(void) llvm::createConstantHoistingPass();
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(void) llvm::createCodeGenPreparePass();
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(void) llvm::createEntryExitInstrumenterPass();
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(void) llvm::createPostInlineEntryExitInstrumenterPass();
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(void) llvm::createEarlyCSEPass();
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(void) llvm::createGVNHoistPass();
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(void) llvm::createMergedLoadStoreMotionPass();
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(void) llvm::createGVNPass();
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(void) llvm::createNewGVNPass();
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(void) llvm::createMemCpyOptPass();
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(void) llvm::createLoopDeletionPass();
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(void) llvm::createPostDomTree();
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(void) llvm::createInstructionNamerPass();
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(void) llvm::createMetaRenamerPass();
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(void) llvm::createAttributorLegacyPass();
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(void) llvm::createAttributorCGSCCLegacyPass();
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(void) llvm::createPostOrderFunctionAttrsLegacyPass();
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(void) llvm::createReversePostOrderFunctionAttrsPass();
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(void) llvm::createMergeFunctionsPass();
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(void) llvm::createMergeICmpsLegacyPass();
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(void) llvm::createExpandMemCmpPass();
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std::string buf;
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llvm::raw_string_ostream os(buf);
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(void) llvm::createPrintModulePass(os);
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(void) llvm::createPrintFunctionPass(os);
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(void) llvm::createModuleDebugInfoPrinterPass();
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(void) llvm::createPartialInliningPass();
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(void) llvm::createLintPass();
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(void) llvm::createSinkingPass();
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(void) llvm::createLowerAtomicPass();
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(void) llvm::createCorrelatedValuePropagationPass();
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(void) llvm::createMemDepPrinter();
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(void) llvm::createLoopVectorizePass();
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(void) llvm::createSLPVectorizerPass();
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(void) llvm::createLoadStoreVectorizerPass();
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(void) llvm::createVectorCombinePass();
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(void) llvm::createPartiallyInlineLibCallsPass();
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(void) llvm::createScalarizerPass();
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(void) llvm::createSeparateConstOffsetFromGEPPass();
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(void) llvm::createSpeculativeExecutionPass();
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(void) llvm::createSpeculativeExecutionIfHasBranchDivergencePass();
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(void) llvm::createRewriteSymbolsPass();
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(void) llvm::createStraightLineStrengthReducePass();
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(void) llvm::createMemDerefPrinter();
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(void) llvm::createMustExecutePrinter();
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(void) llvm::createMustBeExecutedContextPrinter();
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(void) llvm::createFloat2IntPass();
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(void) llvm::createEliminateAvailableExternallyPass();
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(void) llvm::createScalarizeMaskedMemIntrinPass();
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(void) llvm::createWarnMissedTransformationsPass();
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(void) llvm::createHardwareLoopsPass();
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(void) llvm::createInjectTLIMappingsLegacyPass();
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(void) llvm::createUnifyLoopExitsPass();
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(void) llvm::createFixIrreduciblePass();
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(void)new llvm::IntervalPartition();
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(void)new llvm::ScalarEvolutionWrapperPass();
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llvm::Function::Create(nullptr, llvm::GlobalValue::ExternalLinkage)->viewCFGOnly();
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llvm::RGPassManager RGM;
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llvm::TargetLibraryInfoImpl TLII;
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llvm::TargetLibraryInfo TLI(TLII);
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llvm::AliasAnalysis AA(TLI);
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llvm::AliasSetTracker X(AA);
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X.add(nullptr, llvm::LocationSize::unknown(),
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llvm::AAMDNodes()); // for -print-alias-sets
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(void) llvm::AreStatisticsEnabled();
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(void) llvm::sys::RunningOnValgrind();
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}
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} ForcePassLinking; // Force link by creating a global definition.
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}
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#endif
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