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d36410945f
This is a patch for the outliner described in the RFC at: http://lists.llvm.org/pipermail/llvm-dev/2016-August/104170.html The outliner is a code-size reduction pass which works by finding repeated sequences of instructions in a program, and replacing them with calls to functions. This is useful to people working in low-memory environments, where sacrificing performance for space is acceptable. This adds an interprocedural outliner directly before printing assembly. For reference on how this would work, this patch also includes X86 target hooks and an X86 test. The outliner is run like so: clang -mno-red-zone -mllvm -enable-machine-outliner file.c Patch by Jessica Paquette<jpaquette@apple.com>! rdar://29166825 Differential Revision: https://reviews.llvm.org/D26872 llvm-svn: 296418
103 lines
4.1 KiB
C++
103 lines
4.1 KiB
C++
//===-- CodeGen.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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//
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// This file implements the common initialization routines for the
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// CodeGen library.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/InitializePasses.h"
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#include "llvm-c/Initialization.h"
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#include "llvm/PassRegistry.h"
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using namespace llvm;
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/// initializeCodeGen - Initialize all passes linked into the CodeGen library.
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void llvm::initializeCodeGen(PassRegistry &Registry) {
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initializeAtomicExpandPass(Registry);
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initializeBranchFolderPassPass(Registry);
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initializeBranchRelaxationPass(Registry);
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initializeCodeGenPreparePass(Registry);
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initializeCountingFunctionInserterPass(Registry);
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initializeDeadMachineInstructionElimPass(Registry);
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initializeDetectDeadLanesPass(Registry);
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initializeDwarfEHPreparePass(Registry);
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initializeEarlyIfConverterPass(Registry);
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initializeExpandISelPseudosPass(Registry);
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initializeExpandPostRAPass(Registry);
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initializeFinalizeMachineBundlesPass(Registry);
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initializeFEntryInserterPass(Registry);
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initializeFuncletLayoutPass(Registry);
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initializeGCMachineCodeAnalysisPass(Registry);
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initializeGCModuleInfoPass(Registry);
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initializeIfConverterPass(Registry);
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initializeInterleavedAccessPass(Registry);
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initializeLiveDebugVariablesPass(Registry);
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initializeLiveIntervalsPass(Registry);
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initializeLiveStacksPass(Registry);
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initializeLiveVariablesPass(Registry);
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initializeLocalStackSlotPassPass(Registry);
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initializeLowerIntrinsicsPass(Registry);
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initializeMachineBlockFrequencyInfoPass(Registry);
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initializeMachineBlockPlacementPass(Registry);
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initializeMachineBlockPlacementStatsPass(Registry);
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initializeMachineCSEPass(Registry);
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initializeImplicitNullChecksPass(Registry);
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initializeMachineCombinerPass(Registry);
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initializeMachineCopyPropagationPass(Registry);
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initializeMachineDominatorTreePass(Registry);
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initializeMachineFunctionPrinterPassPass(Registry);
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initializeMachineLICMPass(Registry);
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initializeMachineLoopInfoPass(Registry);
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initializeMachineModuleInfoPass(Registry);
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initializeMachineOptimizationRemarkEmitterPassPass(Registry);
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initializeMachineOutlinerPass(Registry);
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initializeMachinePipelinerPass(Registry);
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initializeMachinePostDominatorTreePass(Registry);
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initializeMachineRegionInfoPassPass(Registry);
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initializeMachineSchedulerPass(Registry);
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initializeMachineSinkingPass(Registry);
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initializeMachineVerifierPassPass(Registry);
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initializeXRayInstrumentationPass(Registry);
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initializePatchableFunctionPass(Registry);
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initializeOptimizePHIsPass(Registry);
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initializePEIPass(Registry);
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initializePHIEliminationPass(Registry);
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initializePeepholeOptimizerPass(Registry);
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initializePostMachineSchedulerPass(Registry);
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initializePostRAHazardRecognizerPass(Registry);
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initializePostRASchedulerPass(Registry);
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initializePreISelIntrinsicLoweringLegacyPassPass(Registry);
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initializeProcessImplicitDefsPass(Registry);
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initializeRAGreedyPass(Registry);
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initializeRegisterCoalescerPass(Registry);
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initializeRenameIndependentSubregsPass(Registry);
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initializeShrinkWrapPass(Registry);
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initializeSlotIndexesPass(Registry);
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initializeStackColoringPass(Registry);
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initializeStackMapLivenessPass(Registry);
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initializeLiveDebugValuesPass(Registry);
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initializeSafeStackPass(Registry);
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initializeStackProtectorPass(Registry);
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initializeStackSlotColoringPass(Registry);
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initializeTailDuplicatePassPass(Registry);
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initializeTargetPassConfigPass(Registry);
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initializeTwoAddressInstructionPassPass(Registry);
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initializeUnpackMachineBundlesPass(Registry);
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initializeUnreachableBlockElimLegacyPassPass(Registry);
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initializeUnreachableMachineBlockElimPass(Registry);
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initializeVirtRegMapPass(Registry);
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initializeVirtRegRewriterPass(Registry);
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initializeWinEHPreparePass(Registry);
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}
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void LLVMInitializeCodeGen(LLVMPassRegistryRef R) {
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initializeCodeGen(*unwrap(R));
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}
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