This patch was added way back in the beginning of the work which became the statepoint infrastructure. The idea was that safepoints could be inserted late in the optimization pipeline. This is true if the only concern is garbage collection, but this approach turned out to be incompatible with the requirement to also support deoptimization at safepoints. In theory, this pass would still be quite useful for an AOT compiled language which wants to support garbage collection, but we have no known users, and haven't for over 5 years. Time to remove unused code. If someone wants to use this, restoring it would not be hard. The immediate motivation for removal is that this is one of the last passes remaining which hasn't been ported to the new pass manager and the (straight forward) work to do so is not justified for unused code. Differential Revision: https://reviews.llvm.org/D135371
298 lines
10 KiB
C++
298 lines
10 KiB
C++
//===-- Scalar.cpp --------------------------------------------------------===//
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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 file implements common infrastructure for libLLVMScalarOpts.a, which
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// implements several scalar transformations over the LLVM intermediate
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// representation, including the C bindings for that library.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Transforms/Scalar.h"
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#include "llvm-c/Initialization.h"
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#include "llvm-c/Transforms/Scalar.h"
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#include "llvm/Analysis/BasicAliasAnalysis.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/IR/LegacyPassManager.h"
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#include "llvm/IR/Verifier.h"
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#include "llvm/InitializePasses.h"
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#include "llvm/Transforms/Scalar/GVN.h"
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#include "llvm/Transforms/Scalar/Scalarizer.h"
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#include "llvm/Transforms/Utils/UnifyFunctionExitNodes.h"
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using namespace llvm;
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/// initializeScalarOptsPasses - Initialize all passes linked into the
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/// ScalarOpts library.
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void llvm::initializeScalarOpts(PassRegistry &Registry) {
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initializeADCELegacyPassPass(Registry);
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initializeAnnotationRemarksLegacyPass(Registry);
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initializeBDCELegacyPassPass(Registry);
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initializeAlignmentFromAssumptionsPass(Registry);
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initializeCallSiteSplittingLegacyPassPass(Registry);
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initializeConstantHoistingLegacyPassPass(Registry);
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initializeConstraintEliminationPass(Registry);
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initializeCorrelatedValuePropagationPass(Registry);
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initializeDCELegacyPassPass(Registry);
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initializeDivRemPairsLegacyPassPass(Registry);
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initializeScalarizerLegacyPassPass(Registry);
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initializeDSELegacyPassPass(Registry);
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initializeGuardWideningLegacyPassPass(Registry);
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initializeLoopGuardWideningLegacyPassPass(Registry);
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initializeGVNLegacyPassPass(Registry);
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initializeNewGVNLegacyPassPass(Registry);
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initializeEarlyCSELegacyPassPass(Registry);
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initializeEarlyCSEMemSSALegacyPassPass(Registry);
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initializeMakeGuardsExplicitLegacyPassPass(Registry);
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initializeGVNHoistLegacyPassPass(Registry);
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initializeGVNSinkLegacyPassPass(Registry);
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initializeFlattenCFGLegacyPassPass(Registry);
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initializeIRCELegacyPassPass(Registry);
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initializeIndVarSimplifyLegacyPassPass(Registry);
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initializeInferAddressSpacesPass(Registry);
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initializeInstSimplifyLegacyPassPass(Registry);
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initializeJumpThreadingPass(Registry);
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initializeDFAJumpThreadingLegacyPassPass(Registry);
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initializeLegacyLICMPassPass(Registry);
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initializeLegacyLoopSinkPassPass(Registry);
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initializeLoopFuseLegacyPass(Registry);
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initializeLoopDataPrefetchLegacyPassPass(Registry);
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initializeLoopDeletionLegacyPassPass(Registry);
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initializeLoopAccessLegacyAnalysisPass(Registry);
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initializeLoopInstSimplifyLegacyPassPass(Registry);
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initializeLoopInterchangeLegacyPassPass(Registry);
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initializeLoopFlattenLegacyPassPass(Registry);
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initializeLoopPredicationLegacyPassPass(Registry);
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initializeLoopRotateLegacyPassPass(Registry);
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initializeLoopStrengthReducePass(Registry);
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initializeLoopRerollLegacyPassPass(Registry);
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initializeLoopUnrollPass(Registry);
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initializeLoopUnrollAndJamPass(Registry);
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initializeWarnMissedTransformationsLegacyPass(Registry);
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initializeLoopVersioningLICMLegacyPassPass(Registry);
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initializeLoopIdiomRecognizeLegacyPassPass(Registry);
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initializeLowerAtomicLegacyPassPass(Registry);
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initializeLowerConstantIntrinsicsPass(Registry);
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initializeLowerExpectIntrinsicPass(Registry);
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initializeLowerGuardIntrinsicLegacyPassPass(Registry);
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initializeLowerMatrixIntrinsicsLegacyPassPass(Registry);
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initializeLowerMatrixIntrinsicsMinimalLegacyPassPass(Registry);
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initializeLowerWidenableConditionLegacyPassPass(Registry);
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initializeMemCpyOptLegacyPassPass(Registry);
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initializeMergeICmpsLegacyPassPass(Registry);
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initializeMergedLoadStoreMotionLegacyPassPass(Registry);
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initializeNaryReassociateLegacyPassPass(Registry);
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initializePartiallyInlineLibCallsLegacyPassPass(Registry);
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initializeReassociateLegacyPassPass(Registry);
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initializeRedundantDbgInstEliminationPass(Registry);
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initializeRegToMemLegacyPass(Registry);
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initializeRewriteStatepointsForGCLegacyPassPass(Registry);
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initializeScalarizeMaskedMemIntrinLegacyPassPass(Registry);
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initializeSCCPLegacyPassPass(Registry);
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initializeSROALegacyPassPass(Registry);
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initializeCFGSimplifyPassPass(Registry);
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initializeStructurizeCFGLegacyPassPass(Registry);
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initializeSimpleLoopUnswitchLegacyPassPass(Registry);
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initializeSinkingLegacyPassPass(Registry);
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initializeTailCallElimPass(Registry);
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initializeTLSVariableHoistLegacyPassPass(Registry);
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initializeSeparateConstOffsetFromGEPLegacyPassPass(Registry);
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initializeSpeculativeExecutionLegacyPassPass(Registry);
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initializeStraightLineStrengthReduceLegacyPassPass(Registry);
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initializeFloat2IntLegacyPassPass(Registry);
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initializeLoopDistributeLegacyPass(Registry);
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initializeLoopLoadEliminationPass(Registry);
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initializeLoopSimplifyCFGLegacyPassPass(Registry);
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initializeLoopVersioningLegacyPassPass(Registry);
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}
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void LLVMAddLoopSimplifyCFGPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createLoopSimplifyCFGPass());
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}
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void LLVMInitializeScalarOpts(LLVMPassRegistryRef R) {
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initializeScalarOpts(*unwrap(R));
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}
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void LLVMAddAggressiveDCEPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createAggressiveDCEPass());
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}
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void LLVMAddDCEPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createDeadCodeEliminationPass());
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}
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void LLVMAddBitTrackingDCEPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createBitTrackingDCEPass());
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}
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void LLVMAddAlignmentFromAssumptionsPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createAlignmentFromAssumptionsPass());
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}
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void LLVMAddCFGSimplificationPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createCFGSimplificationPass());
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}
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void LLVMAddDeadStoreEliminationPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createDeadStoreEliminationPass());
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}
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void LLVMAddScalarizerPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createScalarizerPass());
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}
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void LLVMAddGVNPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createGVNPass());
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}
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void LLVMAddNewGVNPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createNewGVNPass());
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}
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void LLVMAddMergedLoadStoreMotionPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createMergedLoadStoreMotionPass());
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}
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void LLVMAddIndVarSimplifyPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createIndVarSimplifyPass());
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}
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void LLVMAddInstructionSimplifyPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createInstSimplifyLegacyPass());
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}
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void LLVMAddJumpThreadingPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createJumpThreadingPass());
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}
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void LLVMAddLoopSinkPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createLoopSinkPass());
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}
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void LLVMAddLICMPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createLICMPass());
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}
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void LLVMAddLoopDeletionPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createLoopDeletionPass());
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}
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void LLVMAddLoopFlattenPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createLoopFlattenPass());
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}
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void LLVMAddLoopIdiomPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createLoopIdiomPass());
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}
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void LLVMAddLoopRotatePass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createLoopRotatePass());
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}
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void LLVMAddLoopRerollPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createLoopRerollPass());
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}
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void LLVMAddLoopUnrollPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createLoopUnrollPass());
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}
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void LLVMAddLoopUnrollAndJamPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createLoopUnrollAndJamPass());
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}
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void LLVMAddLowerAtomicPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createLowerAtomicPass());
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}
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void LLVMAddMemCpyOptPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createMemCpyOptPass());
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}
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void LLVMAddPartiallyInlineLibCallsPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createPartiallyInlineLibCallsPass());
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}
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void LLVMAddReassociatePass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createReassociatePass());
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}
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void LLVMAddSCCPPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createSCCPPass());
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}
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void LLVMAddScalarReplAggregatesPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createSROAPass());
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}
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void LLVMAddScalarReplAggregatesPassSSA(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createSROAPass());
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}
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void LLVMAddScalarReplAggregatesPassWithThreshold(LLVMPassManagerRef PM,
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int Threshold) {
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unwrap(PM)->add(createSROAPass());
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}
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void LLVMAddSimplifyLibCallsPass(LLVMPassManagerRef PM) {
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// NOTE: The simplify-libcalls pass has been removed.
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}
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void LLVMAddTailCallEliminationPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createTailCallEliminationPass());
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}
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void LLVMAddDemoteMemoryToRegisterPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createDemoteRegisterToMemoryPass());
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}
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void LLVMAddVerifierPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createVerifierPass());
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}
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void LLVMAddCorrelatedValuePropagationPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createCorrelatedValuePropagationPass());
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}
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void LLVMAddEarlyCSEPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createEarlyCSEPass(false/*=UseMemorySSA*/));
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}
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void LLVMAddEarlyCSEMemSSAPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createEarlyCSEPass(true/*=UseMemorySSA*/));
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}
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void LLVMAddGVNHoistLegacyPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createGVNHoistPass());
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}
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void LLVMAddTypeBasedAliasAnalysisPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createTypeBasedAAWrapperPass());
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}
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void LLVMAddScopedNoAliasAAPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createScopedNoAliasAAWrapperPass());
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}
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void LLVMAddBasicAliasAnalysisPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createBasicAAWrapperPass());
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}
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void LLVMAddLowerConstantIntrinsicsPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createLowerConstantIntrinsicsPass());
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}
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void LLVMAddLowerExpectIntrinsicPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createLowerExpectIntrinsicPass());
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}
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void LLVMAddUnifyFunctionExitNodesPass(LLVMPassManagerRef PM) {
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unwrap(PM)->add(createUnifyFunctionExitNodesPass());
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}
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