LLVM 19.0.0git
Functions | Variables
AArch64TargetMachine.cpp File Reference
#include "AArch64TargetMachine.h"
#include "AArch64.h"
#include "AArch64LoopIdiomTransform.h"
#include "AArch64MachineFunctionInfo.h"
#include "AArch64MachineScheduler.h"
#include "AArch64MacroFusion.h"
#include "AArch64Subtarget.h"
#include "AArch64TargetObjectFile.h"
#include "AArch64TargetTransformInfo.h"
#include "MCTargetDesc/AArch64MCTargetDesc.h"
#include "TargetInfo/AArch64TargetInfo.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/CodeGen/CFIFixup.h"
#include "llvm/CodeGen/CSEConfigBase.h"
#include "llvm/CodeGen/GlobalISel/CSEInfo.h"
#include "llvm/CodeGen/GlobalISel/IRTranslator.h"
#include "llvm/CodeGen/GlobalISel/InstructionSelect.h"
#include "llvm/CodeGen/GlobalISel/Legalizer.h"
#include "llvm/CodeGen/GlobalISel/LoadStoreOpt.h"
#include "llvm/CodeGen/GlobalISel/Localizer.h"
#include "llvm/CodeGen/GlobalISel/RegBankSelect.h"
#include "llvm/CodeGen/MIRParser/MIParser.h"
#include "llvm/CodeGen/MachineScheduler.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/TargetInstrInfo.h"
#include "llvm/CodeGen/TargetPassConfig.h"
#include "llvm/IR/Attributes.h"
#include "llvm/IR/Function.h"
#include "llvm/InitializePasses.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCTargetOptions.h"
#include "llvm/MC/TargetRegistry.h"
#include "llvm/Pass.h"
#include "llvm/Passes/PassBuilder.h"
#include "llvm/Support/CodeGen.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Target/TargetLoweringObjectFile.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/TargetParser/Triple.h"
#include "llvm/Transforms/CFGuard.h"
#include "llvm/Transforms/Scalar.h"
#include <memory>
#include <optional>
#include <string>

Go to the source code of this file.

Functions

LLVM_EXTERNAL_VISIBILITY void LLVMInitializeAArch64Target ()
 
static std::unique_ptr< TargetLoweringObjectFilecreateTLOF (const Triple &TT)
 
static std::string computeDataLayout (const Triple &TT, const MCTargetOptions &Options, bool LittleEndian)
 
static StringRef computeDefaultCPU (const Triple &TT, StringRef CPU)
 
static Reloc::Model getEffectiveRelocModel (const Triple &TT, std::optional< Reloc::Model > RM)
 
static CodeModel::Model getEffectiveAArch64CodeModel (const Triple &TT, std::optional< CodeModel::Model > CM, bool JIT)
 

Variables

static cl::opt< boolEnableCCMP ("aarch64-enable-ccmp", cl::desc("Enable the CCMP formation pass"), cl::init(true), cl::Hidden)
 
static cl::opt< boolEnableCondBrTuning ("aarch64-enable-cond-br-tune", cl::desc("Enable the conditional branch tuning pass"), cl::init(true), cl::Hidden)
 
static cl::opt< boolEnableAArch64CopyPropagation ("aarch64-enable-copy-propagation", cl::desc("Enable the copy propagation with AArch64 copy instr"), cl::init(true), cl::Hidden)
 
static cl::opt< boolEnableMCR ("aarch64-enable-mcr", cl::desc("Enable the machine combiner pass"), cl::init(true), cl::Hidden)
 
static cl::opt< boolEnableStPairSuppress ("aarch64-enable-stp-suppress", cl::desc("Suppress STP for AArch64"), cl::init(true), cl::Hidden)
 
static cl::opt< boolEnableAdvSIMDScalar ("aarch64-enable-simd-scalar", cl::desc("Enable use of AdvSIMD scalar integer instructions"), cl::init(false), cl::Hidden)
 
static cl::opt< boolEnablePromoteConstant ("aarch64-enable-promote-const", cl::desc("Enable the promote constant pass"), cl::init(true), cl::Hidden)
 
static cl::opt< boolEnableCollectLOH ("aarch64-enable-collect-loh", cl::desc("Enable the pass that emits the linker optimization hints (LOH)"), cl::init(true), cl::Hidden)
 
static cl::opt< boolEnableDeadRegisterElimination ("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< boolEnableRedundantCopyElimination ("aarch64-enable-copyelim", cl::desc("Enable the redundant copy elimination pass"), cl::init(true), cl::Hidden)
 
static cl::opt< boolEnableLoadStoreOpt ("aarch64-enable-ldst-opt", cl::desc("Enable the load/store pair" " optimization pass"), cl::init(true), cl::Hidden)
 
static cl::opt< boolEnableAtomicTidy ("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< boolEnableEarlyIfConversion ("aarch64-enable-early-ifcvt", cl::Hidden, cl::desc("Run early if-conversion"), cl::init(true))
 
static cl::opt< boolEnableCondOpt ("aarch64-enable-condopt", cl::desc("Enable the condition optimizer pass"), cl::init(true), cl::Hidden)
 
static cl::opt< boolEnableGEPOpt ("aarch64-enable-gep-opt", cl::Hidden, cl::desc("Enable optimizations on complex GEPs"), cl::init(false))
 
static cl::opt< boolEnableSelectOpt ("aarch64-select-opt", cl::Hidden, cl::desc("Enable select to branch optimizations"), cl::init(true))
 
static cl::opt< boolBranchRelaxation ("aarch64-enable-branch-relax", cl::Hidden, cl::init(true), cl::desc("Relax out of range conditional branches"))
 
static cl::opt< boolEnableCompressJumpTables ("aarch64-enable-compress-jump-tables", cl::Hidden, cl::init(true), cl::desc("Use smallest entry possible for jump tables"))
 
static cl::opt< cl::boolOrDefaultEnableGlobalMerge ("aarch64-enable-global-merge", cl::Hidden, cl::desc("Enable the global merge pass"))
 
static cl::opt< boolEnableLoopDataPrefetch ("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< boolEnableSVEIntrinsicOpts ("aarch64-enable-sve-intrinsic-opts", cl::Hidden, cl::desc("Enable SVE intrinsic opts"), cl::init(true))
 
static cl::opt< boolEnableFalkorHWPFFix ("aarch64-enable-falkor-hwpf-fix", cl::init(true), cl::Hidden)
 
static cl::opt< boolEnableBranchTargets ("aarch64-enable-branch-targets", cl::Hidden, cl::desc("Enable the AArch64 branch target pass"), cl::init(true))
 
static cl::opt< unsignedSVEVectorBitsMaxOpt ("aarch64-sve-vector-bits-max", cl::desc("Assume SVE vector registers are at most this big, " "with zero meaning no maximum size is assumed."), cl::init(0), cl::Hidden)
 
static cl::opt< unsignedSVEVectorBitsMinOpt ("aarch64-sve-vector-bits-min", cl::desc("Assume SVE vector registers are at least this big, " "with zero meaning no minimum size is assumed."), cl::init(0), cl::Hidden)
 
cl::opt< boolEnableHomogeneousPrologEpilog
 
static cl::opt< boolEnableGISelLoadStoreOptPreLegal ("aarch64-enable-gisel-ldst-prelegal", cl::desc("Enable GlobalISel's pre-legalizer load/store optimization pass"), cl::init(true), cl::Hidden)
 
static cl::opt< boolEnableGISelLoadStoreOptPostLegal ("aarch64-enable-gisel-ldst-postlegal", cl::desc("Enable GlobalISel's post-legalizer load/store optimization pass"), cl::init(false), cl::Hidden)
 
static cl::opt< boolEnableSinkFold ("aarch64-enable-sink-fold", cl::desc("Enable sinking and folding of instruction copies"), cl::init(true), cl::Hidden)
 
static cl::opt< boolEnableMachinePipeliner ("aarch64-enable-pipeliner", cl::desc("Enable Machine Pipeliner for AArch64"), cl::init(false), cl::Hidden)
 

Function Documentation

◆ computeDataLayout()

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

◆ computeDefaultCPU()

static StringRef computeDefaultCPU ( const Triple TT,
StringRef  CPU 
)
static

Definition at line 288 of file AArch64TargetMachine.cpp.

References llvm::StringRef::empty().

◆ createTLOF()

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

Definition at line 262 of file AArch64TargetMachine.cpp.

◆ getEffectiveAArch64CodeModel()

static CodeModel::Model getEffectiveAArch64CodeModel ( const Triple TT,
std::optional< CodeModel::Model CM,
bool  JIT 
)
static

◆ getEffectiveRelocModel()

static Reloc::Model getEffectiveRelocModel ( const Triple TT,
std::optional< Reloc::Model RM 
)
static

◆ LLVMInitializeAArch64Target()

LLVM_EXTERNAL_VISIBILITY void LLVMInitializeAArch64Target ( )

Definition at line 212 of file AArch64TargetMachine.cpp.

References llvm::PassRegistry::getPassRegistry(), llvm::getTheAArch64_32Target(), llvm::getTheAArch64beTarget(), llvm::getTheAArch64leTarget(), llvm::getTheARM64_32Target(), llvm::getTheARM64Target(), llvm::initializeAArch64A53Fix835769Pass(), llvm::initializeAArch64A57FPLoadBalancingPass(), llvm::initializeAArch64AdvSIMDScalarPass(), llvm::initializeAArch64BranchTargetsPass(), llvm::initializeAArch64CollectLOHPass(), llvm::initializeAArch64CompressJumpTablesPass(), llvm::initializeAArch64ConditionalComparesPass(), llvm::initializeAArch64ConditionOptimizerPass(), llvm::initializeAArch64DAGToDAGISelPass(), llvm::initializeAArch64DeadRegisterDefinitionsPass(), llvm::initializeAArch64ExpandPseudoPass(), llvm::initializeAArch64GlobalsTaggingPass(), llvm::initializeAArch64LoadStoreOptPass(), llvm::initializeAArch64LoopIdiomTransformLegacyPassPass(), llvm::initializeAArch64LowerHomogeneousPrologEpilogPass(), llvm::initializeAArch64MIPeepholeOptPass(), llvm::initializeAArch64O0PreLegalizerCombinerPass(), llvm::initializeAArch64PointerAuthPass(), llvm::initializeAArch64PostLegalizerCombinerPass(), llvm::initializeAArch64PostLegalizerLoweringPass(), llvm::initializeAArch64PostSelectOptimizePass(), llvm::initializeAArch64PreLegalizerCombinerPass(), llvm::initializeAArch64PromoteConstantPass(), llvm::initializeAArch64RedundantCopyEliminationPass(), llvm::initializeAArch64SIMDInstrOptPass(), llvm::initializeAArch64SLSHardeningPass(), llvm::initializeAArch64SpeculationHardeningPass(), llvm::initializeAArch64StackTaggingPass(), llvm::initializeAArch64StackTaggingPreRAPass(), llvm::initializeAArch64StorePairSuppressPass(), llvm::initializeFalkorHWPFFixPass(), llvm::initializeFalkorMarkStridedAccessesLegacyPass(), llvm::initializeGlobalISel(), llvm::initializeKCFIPass(), llvm::initializeLDTLSCleanupPass(), llvm::initializeSMEABIPass(), llvm::initializeSVEIntrinsicOptsPass(), 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")) ( "aarch64-enable-branch-relax"  ,
cl::Hidden  ,
cl::init(true ,
cl::desc("Relax out of range conditional branches")   
)
static

◆ EnableAArch64CopyPropagation

cl::opt< bool > EnableAArch64CopyPropagation("aarch64-enable-copy-propagation", cl::desc("Enable the copy propagation with AArch64 copy instr"), cl::init(true), cl::Hidden) ( "aarch64-enable-copy-propagation"  ,
cl::desc("Enable the copy propagation with AArch64 copy instr")  ,
cl::init(true ,
cl::Hidden   
)
static

◆ EnableAdvSIMDScalar

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

◆ 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)) ( "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

◆ EnableBranchTargets

cl::opt< bool > EnableBranchTargets("aarch64-enable-branch-targets", cl::Hidden, cl::desc("Enable the AArch64 branch target pass"), cl::init(true)) ( "aarch64-enable-branch-targets"  ,
cl::Hidden  ,
cl::desc("Enable the AArch64 branch target pass")  ,
cl::init(true  
)
static

◆ EnableCCMP

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

◆ 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) ( "aarch64-enable-collect-loh"  ,
cl::desc("Enable the pass that emits the linker optimization hints (LOH)")  ,
cl::init(true ,
cl::Hidden   
)
static

◆ EnableCompressJumpTables

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

◆ EnableCondBrTuning

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

◆ EnableCondOpt

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

◆ 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)) ( "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

◆ EnableEarlyIfConversion

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

◆ EnableFalkorHWPFFix

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

◆ EnableGEPOpt

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

◆ EnableGISelLoadStoreOptPostLegal

cl::opt< bool > EnableGISelLoadStoreOptPostLegal("aarch64-enable-gisel-ldst-postlegal", cl::desc("Enable GlobalISel's post-legalizer load/store optimization pass"), cl::init(false), cl::Hidden) ( "aarch64-enable-gisel-ldst-postlegal"  ,
cl::desc("Enable GlobalISel's post-legalizer load/store optimization pass")  ,
cl::init(false)  ,
cl::Hidden   
)
static

◆ EnableGISelLoadStoreOptPreLegal

cl::opt< bool > EnableGISelLoadStoreOptPreLegal("aarch64-enable-gisel-ldst-prelegal", cl::desc("Enable GlobalISel's pre-legalizer load/store optimization pass"), cl::init(true), cl::Hidden) ( "aarch64-enable-gisel-ldst-prelegal"  ,
cl::desc("Enable GlobalISel's pre-legalizer load/store optimization pass")  ,
cl::init(true ,
cl::Hidden   
)
static

◆ 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)) ( "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

◆ EnableGlobalMerge

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

◆ EnableHomogeneousPrologEpilog

cl::opt<bool> EnableHomogeneousPrologEpilog
extern

◆ EnableLoadStoreOpt

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

◆ EnableLoopDataPrefetch

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

◆ EnableMachinePipeliner

cl::opt< bool > EnableMachinePipeliner("aarch64-enable-pipeliner", cl::desc("Enable Machine Pipeliner for AArch64"), cl::init(false), cl::Hidden) ( "aarch64-enable-pipeliner"  ,
cl::desc("Enable Machine Pipeliner for AArch64")  ,
cl::init(false)  ,
cl::Hidden   
)
static

◆ EnableMCR

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

◆ EnablePromoteConstant

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

◆ EnableRedundantCopyElimination

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

◆ EnableSelectOpt

cl::opt< bool > EnableSelectOpt("aarch64-select-opt", cl::Hidden, cl::desc("Enable select to branch optimizations"), cl::init(true)) ( "aarch64-select-opt"  ,
cl::Hidden  ,
cl::desc("Enable select to branch optimizations")  ,
cl::init(true  
)
static

◆ EnableSinkFold

cl::opt< bool > EnableSinkFold("aarch64-enable-sink-fold", cl::desc("Enable sinking and folding of instruction copies"), cl::init(true), cl::Hidden) ( "aarch64-enable-sink-fold"  ,
cl::desc("Enable sinking and folding of instruction copies")  ,
cl::init(true ,
cl::Hidden   
)
static

◆ EnableStPairSuppress

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

◆ EnableSVEIntrinsicOpts

cl::opt< bool > EnableSVEIntrinsicOpts("aarch64-enable-sve-intrinsic-opts", cl::Hidden, cl::desc("Enable SVE intrinsic opts"), cl::init(true)) ( "aarch64-enable-sve-intrinsic-opts"  ,
cl::Hidden  ,
cl::desc("Enable SVE intrinsic opts")  ,
cl::init(true  
)
static

◆ SVEVectorBitsMaxOpt

cl::opt< unsigned > SVEVectorBitsMaxOpt("aarch64-sve-vector-bits-max", cl::desc("Assume SVE vector registers are at most this big, " "with zero meaning no maximum size is assumed."), cl::init(0), cl::Hidden) ( "aarch64-sve-vector-bits-max"  ,
cl::desc("Assume SVE vector registers are at most this big, " "with zero meaning no maximum size is assumed.")  ,
cl::init(0)  ,
cl::Hidden   
)
static

◆ SVEVectorBitsMinOpt

cl::opt< unsigned > SVEVectorBitsMinOpt("aarch64-sve-vector-bits-min", cl::desc("Assume SVE vector registers are at least this big, " "with zero meaning no minimum size is assumed."), cl::init(0), cl::Hidden) ( "aarch64-sve-vector-bits-min"  ,
cl::desc("Assume SVE vector registers are at least this big, " "with zero meaning no minimum size is assumed.")  ,
cl::init(0)  ,
cl::Hidden   
)
static