AArch64TargetMachine.cpp File Reference

#include "AArch64TargetMachine.h"
#include "AArch64.h"
#include "AArch64MacroFusion.h"
#include "AArch64Subtarget.h"
#include "AArch64TargetObjectFile.h"
#include "AArch64TargetTransformInfo.h"
#include "MCTargetDesc/AArch64MCTargetDesc.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/Triple.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/CodeGen/GlobalISel/IRTranslator.h"
#include "llvm/CodeGen/GlobalISel/InstructionSelect.h"
#include "llvm/CodeGen/GlobalISel/Legalizer.h"
#include "llvm/CodeGen/GlobalISel/Localizer.h"
#include "llvm/CodeGen/GlobalISel/RegBankSelect.h"
#include "llvm/CodeGen/MachineScheduler.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/TargetPassConfig.h"
#include "llvm/IR/Attributes.h"
#include "llvm/IR/Function.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCTargetOptions.h"
#include "llvm/Pass.h"
#include "llvm/Support/CodeGen.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/TargetRegistry.h"
#include "llvm/Target/TargetLoweringObjectFile.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/Transforms/Scalar.h"
#include <memory>
#include <string>

Include dependency graph for AArch64TargetMachine.cpp:

Go to the source code of this file.

Functions
void	LLVMInitializeAArch64Target ()
static std::unique_ptr< TargetLoweringObjectFile >	createTLOF (const Triple &TT)
static std::string	computeDataLayout (const Triple &TT, const MCTargetOptions &Options, bool LittleEndian)
static Reloc::Model	getEffectiveRelocModel (const Triple &TT, Optional< Reloc::Model > RM)
static CodeModel::Model	getEffectiveAArch64CodeModel (const Triple &TT, Optional< CodeModel::Model > CM, bool JIT)

Variables
static cl::opt< bool >	EnableCCMP ("aarch64-enable-ccmp", cl::desc("Enable the CCMP formation pass"), cl::init(true), cl::Hidden)
static cl::opt< bool >	EnableCondBrTuning ("aarch64-enable-cond-br-tune", cl::desc("Enable the conditional branch tuning pass"), cl::init(true), cl::Hidden)
static cl::opt< bool >	EnableMCR ("aarch64-enable-mcr", cl::desc("Enable the machine combiner pass"), cl::init(true), cl::Hidden)
static cl::opt< bool >	EnableStPairSuppress ("aarch64-enable-stp-suppress", cl::desc("Suppress STP for AArch64"), cl::init(true), cl::Hidden)
static cl::opt< bool >	EnableAdvSIMDScalar ("aarch64-enable-simd-scalar", cl::desc("Enable use of AdvSIMD scalar integer instructions"), cl::init(false), cl::Hidden)
static cl::opt< bool >	EnablePromoteConstant ("aarch64-enable-promote-const", cl::desc("Enable the promote constant pass"), cl::init(true), cl::Hidden)
static cl::opt< bool >	EnableCollectLOH ("aarch64-enable-collect-loh", cl::desc("Enable the pass that emits the linker optimization hints (LOH)"), cl::init(true), cl::Hidden)
static cl::opt< bool >	EnableDeadRegisterElimination ("aarch64-enable-dead-defs", cl::Hidden, cl::desc("Enable the pass that removes dead" " definitons and replaces stores to" " them with stores to the zero" " register"), cl::init(true))
static cl::opt< bool >	EnableRedundantCopyElimination ("aarch64-enable-copyelim", cl::desc("Enable the redundant copy elimination pass"), cl::init(true), cl::Hidden)
static cl::opt< bool >	EnableLoadStoreOpt ("aarch64-enable-ldst-opt", cl::desc("Enable the load/store pair" " optimization pass"), cl::init(true), cl::Hidden)
static cl::opt< bool >	EnableAtomicTidy ("aarch64-enable-atomic-cfg-tidy", cl::Hidden, cl::desc("Run SimplifyCFG after expanding atomic operations" " to make use of cmpxchg flow-based information"), cl::init(true))
static cl::opt< bool >	EnableEarlyIfConversion ("aarch64-enable-early-ifcvt", cl::Hidden, cl::desc("Run early if-conversion"), cl::init(true))
static cl::opt< bool >	EnableCondOpt ("aarch64-enable-condopt", cl::desc("Enable the condition optimizer pass"), cl::init(true), cl::Hidden)
static cl::opt< bool >	EnableA53Fix835769 ("aarch64-fix-cortex-a53-835769", cl::Hidden, cl::desc("Work around Cortex-A53 erratum 835769"), cl::init(false))
static cl::opt< bool >	EnableGEPOpt ("aarch64-enable-gep-opt", cl::Hidden, cl::desc("Enable optimizations on complex GEPs"), cl::init(false))
static cl::opt< bool >	BranchRelaxation ("aarch64-enable-branch-relax", cl::Hidden, cl::init(true), cl::desc("Relax out of range conditional branches"))
static cl::opt< bool >	EnableCompressJumpTables ("aarch64-enable-compress-jump-tables", cl::Hidden, cl::init(true), cl::desc("Use smallest entry possible for jump tables"))
static cl::opt< cl::boolOrDefault >	EnableGlobalMerge ("aarch64-enable-global-merge", cl::Hidden, cl::desc("Enable the global merge pass"))
static cl::opt< bool >	EnableLoopDataPrefetch ("aarch64-enable-loop-data-prefetch", cl::Hidden, cl::desc("Enable the loop data prefetch pass"), cl::init(true))
static cl::opt< int >	EnableGlobalISelAtO ("aarch64-enable-global-isel-at-O", cl::Hidden, cl::desc("Enable GlobalISel at or below an opt level (-1 to disable)"), cl::init(0))
static cl::opt< bool >	EnableFalkorHWPFFix ("aarch64-enable-falkor-hwpf-fix", cl::init(true), cl::Hidden)
static cl::opt< bool >	EnableBranchTargets ("aarch64-enable-branch-targets", cl::Hidden, cl::desc("Enable the AAcrh64 branch target pass"), cl::init(true))

Function Documentation

computeDataLayout()

static std::string computeDataLayout ( const Triple &  TT, const MCTargetOptions &  Options, bool  LittleEndian  )

static

Definition at line 196 of file AArch64TargetMachine.cpp.

References llvm::MCTargetOptions::getABIName(), llvm::Triple::isOSBinFormatCOFF(), and llvm::Triple::isOSBinFormatMachO().

createTLOF()

static std::unique_ptr<TargetLoweringObjectFile> createTLOF ( const Triple &  TT )

static

Definition at line 186 of file AArch64TargetMachine.cpp.

References llvm::Triple::isOSBinFormatCOFF(), and llvm::Triple::isOSBinFormatMachO().

getEffectiveAArch64CodeModel()

static CodeModel::Model getEffectiveAArch64CodeModel ( const Triple &  TT, Optional< CodeModel::Model >  CM, bool  JIT  )

static

Definition at line 224 of file AArch64TargetMachine.cpp.

References llvm::Triple::isOSBinFormatELF(), llvm::Triple::isOSFuchsia(), llvm::CodeModel::Kernel, llvm::CodeModel::Large, llvm::report_fatal_error(), llvm::CodeModel::Small, and llvm::CodeModel::Tiny.

getEffectiveRelocModel()

static Reloc::Model getEffectiveRelocModel ( const Triple &  TT, Optional< Reloc::Model >  RM  )

static

Definition at line 210 of file AArch64TargetMachine.cpp.

References llvm::Reloc::DynamicNoPIC, llvm::Optional< T >::hasValue(), llvm::Triple::isOSDarwin(), llvm::Triple::isOSWindows(), llvm::Reloc::PIC_, llvm::NVPTX::PTXCvtMode::RM, and llvm::Reloc::Static.

LLVMInitializeAArch64Target()

void LLVMInitializeAArch64Target

(

)

Definition at line 154 of file AArch64TargetMachine.cpp.

References llvm::PassRegistry::getPassRegistry(), llvm::getTheAArch64beTarget(), llvm::getTheAArch64leTarget(), llvm::getTheARM64Target(), llvm::initializeAArch64A53Fix835769Pass(), llvm::initializeAArch64A57FPLoadBalancingPass(), llvm::initializeAArch64AdvSIMDScalarPass(), llvm::initializeAArch64BranchTargetsPass(), llvm::initializeAArch64CollectLOHPass(), llvm::initializeAArch64CompressJumpTablesPass(), llvm::initializeAArch64ConditionalComparesPass(), llvm::initializeAArch64ConditionOptimizerPass(), llvm::initializeAArch64DeadRegisterDefinitionsPass(), llvm::initializeAArch64ExpandPseudoPass(), llvm::initializeAArch64LoadStoreOptPass(), llvm::initializeAArch64PreLegalizerCombinerPass(), llvm::initializeAArch64PromoteConstantPass(), llvm::initializeAArch64RedundantCopyEliminationPass(), llvm::initializeAArch64SIMDInstrOptPass(), llvm::initializeAArch64SpeculationHardeningPass(), llvm::initializeAArch64StorePairSuppressPass(), llvm::initializeFalkorHWPFFixPass(), llvm::initializeFalkorMarkStridedAccessesLegacyPass(), llvm::initializeGlobalISel(), llvm::initializeLDTLSCleanupPass(), X, and Y.

Variable Documentation

BranchRelaxation

cl::opt<bool> BranchRelaxation("aarch64-enable-branch-relax", cl::Hidden, cl::init(true), cl::desc("Relax out of range conditional branches"))

static

Referenced by llvm::AArch64TargetMachine::createPassConfig().

EnableA53Fix835769

cl::opt<bool> EnableA53Fix835769("aarch64-fix-cortex-a53-835769", cl::Hidden, cl::desc("Work around Cortex-A53 erratum 835769"), cl::init(false))

static

Referenced by llvm::AArch64TargetMachine::createPassConfig().

EnableAdvSIMDScalar

cl::opt<bool> EnableAdvSIMDScalar("aarch64-enable-simd-scalar", cl::desc("Enable use of AdvSIMD scalar integer instructions"), cl::init(false), cl::Hidden)

static

Referenced by llvm::AArch64TargetMachine::createPassConfig().

EnableAtomicTidy

cl::opt<bool> EnableAtomicTidy("aarch64-enable-atomic-cfg-tidy", cl::Hidden, cl::desc("Run SimplifyCFG after expanding atomic operations" " to make use of cmpxchg flow-based information"), cl::init(true))

static

Referenced by llvm::AArch64TargetMachine::createPassConfig().

EnableBranchTargets

cl::opt<bool> EnableBranchTargets("aarch64-enable-branch-targets", cl::Hidden, cl::desc("Enable the AAcrh64 branch target pass"), cl::init(true))

static

Referenced by llvm::AArch64TargetMachine::createPassConfig().

EnableCCMP

cl::opt<bool> EnableCCMP("aarch64-enable-ccmp", cl::desc("Enable the CCMP formation pass"), cl::init(true), cl::Hidden)

static

Referenced by llvm::AArch64TargetMachine::createPassConfig().

EnableCollectLOH

cl::opt<bool> EnableCollectLOH("aarch64-enable-collect-loh", cl::desc("Enable the pass that emits the linker optimization hints (LOH)"), cl::init(true), cl::Hidden)

static

Referenced by llvm::AArch64TargetMachine::createPassConfig().

EnableCompressJumpTables

cl::opt<bool> EnableCompressJumpTables("aarch64-enable-compress-jump-tables", cl::Hidden, cl::init(true), cl::desc("Use smallest entry possible for jump tables"))

static

Referenced by llvm::AArch64TargetMachine::createPassConfig().

EnableCondBrTuning

cl::opt<bool> EnableCondBrTuning("aarch64-enable-cond-br-tune", cl::desc("Enable the conditional branch tuning pass"), cl::init(true), cl::Hidden)

static

Referenced by llvm::AArch64TargetMachine::createPassConfig().

EnableCondOpt

cl::opt<bool> EnableCondOpt("aarch64-enable-condopt", cl::desc("Enable the condition optimizer pass"), cl::init(true), cl::Hidden)

static

Referenced by llvm::AArch64TargetMachine::createPassConfig().

EnableDeadRegisterElimination

cl::opt<bool> EnableDeadRegisterElimination("aarch64-enable-dead-defs", cl::Hidden, cl::desc("Enable the pass that removes dead" " definitons and replaces stores to" " them with stores to the zero" " register"), cl::init(true))

static

Referenced by llvm::AArch64TargetMachine::createPassConfig().

EnableEarlyIfConversion

cl::opt<bool> EnableEarlyIfConversion("aarch64-enable-early-ifcvt", cl::Hidden, cl::desc("Run early if-conversion"), cl::init(true))

static

Referenced by llvm::AArch64TargetMachine::createPassConfig().

EnableFalkorHWPFFix

cl::opt<bool> EnableFalkorHWPFFix("aarch64-enable-falkor-hwpf-fix", cl::init(true), cl::Hidden)

static

Referenced by llvm::AArch64TargetMachine::createPassConfig().

EnableGEPOpt

cl::opt<bool> EnableGEPOpt("aarch64-enable-gep-opt", cl::Hidden, cl::desc("Enable optimizations on complex GEPs"), cl::init(false))

static

Referenced by llvm::AArch64TargetMachine::createPassConfig().

EnableGlobalISelAtO

cl::opt<int> EnableGlobalISelAtO("aarch64-enable-global-isel-at-O", cl::Hidden, cl::desc("Enable GlobalISel at or below an opt level (-1 to disable)"), cl::init(0))

static

Referenced by llvm::AArch64TargetMachine::AArch64TargetMachine().

EnableGlobalMerge

cl::opt<cl::boolOrDefault> EnableGlobalMerge("aarch64-enable-global-merge", cl::Hidden, cl::desc("Enable the global merge pass"))

static

Referenced by llvm::AArch64TargetMachine::createPassConfig().

EnableLoadStoreOpt

cl::opt<bool> EnableLoadStoreOpt("aarch64-enable-ldst-opt", cl::desc("Enable the load/store pair" " optimization pass"), cl::init(true), cl::Hidden)

static

Referenced by llvm::AArch64TargetMachine::createPassConfig(), and llvm::GCNSubtarget::loadStoreOptEnabled().

EnableLoopDataPrefetch

cl::opt<bool> EnableLoopDataPrefetch("aarch64-enable-loop-data-prefetch", cl::Hidden, cl::desc("Enable the loop data prefetch pass"), cl::init(true))

static

Referenced by llvm::AArch64TargetMachine::createPassConfig().

EnableMCR

cl::opt<bool> EnableMCR("aarch64-enable-mcr", cl::desc("Enable the machine combiner pass"), cl::init(true), cl::Hidden)

static

Referenced by llvm::AArch64TargetMachine::createPassConfig().

EnablePromoteConstant

cl::opt<bool> EnablePromoteConstant("aarch64-enable-promote-const", cl::desc("Enable the promote constant pass"), cl::init(true), cl::Hidden)

static

Referenced by llvm::AArch64TargetMachine::createPassConfig().

EnableRedundantCopyElimination

cl::opt<bool> EnableRedundantCopyElimination("aarch64-enable-copyelim", cl::desc("Enable the redundant copy elimination pass"), cl::init(true), cl::Hidden)

static

Referenced by llvm::AArch64TargetMachine::createPassConfig().

EnableStPairSuppress

cl::opt<bool> EnableStPairSuppress("aarch64-enable-stp-suppress", cl::desc("Suppress STP for AArch64"), cl::init(true), cl::Hidden)

static

Referenced by llvm::AArch64TargetMachine::createPassConfig().