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a2385db150
Loop transformations can sometimes fail because the loop, while in valid rotated LCSSA form, is not in a canonical CFG form. This is an extremely simple pass that just merges obviously redundant blocks, which can be used to fix some known failure cases. In the future, it may be enhanced with more cases (and have code shared with SimplifyCFG). This allows us to run LoopSimplifyCFG -> LoopRotate -> LoopUnroll, so that SimplifyCFG cleans up the loop before Rotate tries to run. Not currently used in the pass manager, since this pass doesn't do anything unless you can hook it up in an LPM with other loop passes. It'll be added once Chandler cleans up things to allow this. Tested in a custom pipeline out of tree to confirm it works in practice (in addition to the included trivial test). llvm-svn: 259256
204 lines
8.7 KiB
C++
204 lines
8.7 KiB
C++
//===- llvm/LinkAllPasses.h ------------ Reference All Passes ---*- C++ -*-===//
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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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//
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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/AliasSetTracker.h"
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#include "llvm/Analysis/BasicAliasAnalysis.h"
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#include "llvm/Analysis/CFLAliasAnalysis.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/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/Transforms/IPO.h"
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#include "llvm/Transforms/Instrumentation.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/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 "llvm/Support/Valgrind.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::createBitTrackingDCEPass();
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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::createBoundsCheckingPass();
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(void) llvm::createBreakCriticalEdgesPass();
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(void) llvm::createCallGraphPrinterPass();
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(void) llvm::createCallGraphViewerPass();
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(void) llvm::createCFGSimplificationPass();
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(void) llvm::createCFLAAWrapperPass();
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(void) llvm::createStructurizeCFGPass();
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(void) llvm::createConstantMergePass();
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(void) llvm::createConstantPropagationPass();
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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::createDependenceAnalysisPass();
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(void) llvm::createDivergenceAnalysisPass();
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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::createPGOInstrumentationGenPass();
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(void) llvm::createPGOInstrumentationUsePass();
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(void) llvm::createInstrProfilingPass();
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(void) llvm::createFunctionImportPass();
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(void) llvm::createFunctionInliningPass();
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(void) llvm::createAlwaysInlinerPass();
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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::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::createInstructionCombiningPass();
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(void) llvm::createInternalizePass();
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(void) llvm::createLCSSAPass();
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(void) llvm::createLICMPass();
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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::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::createLoopUnswitchPass();
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(void) llvm::createLoopIdiomPass();
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(void) llvm::createLoopRotatePass();
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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::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::createScalarReplAggregatesPass();
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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::createEarlyCSEPass();
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(void) llvm::createMergedLoadStoreMotionPass();
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(void) llvm::createGVNPass();
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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::createPostOrderFunctionAttrsPass();
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(void) llvm::createReversePostOrderFunctionAttrsPass();
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(void) llvm::createMergeFunctionsPass();
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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::createPrintBasicBlockPass(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::createInstructionSimplifierPass();
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(void) llvm::createLoopVectorizePass();
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(void) llvm::createSLPVectorizerPass();
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(void) llvm::createBBVectorizePass();
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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::createRewriteSymbolsPass();
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(void) llvm::createStraightLineStrengthReducePass();
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(void) llvm::createMemDerefPrinter();
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(void) llvm::createFloat2IntPass();
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(void) llvm::createEliminateAvailableExternallyPass();
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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::AliasAnalysis AA;
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llvm::AliasSetTracker X(AA);
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X.add(nullptr, 0, 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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