PPCTargetMachine.cpp File Reference

#include "PPCTargetMachine.h"
#include "MCTargetDesc/PPCMCTargetDesc.h"
#include "PPC.h"
#include "PPCMachineFunctionInfo.h"
#include "PPCMachineScheduler.h"
#include "PPCMacroFusion.h"
#include "PPCSubtarget.h"
#include "PPCTargetObjectFile.h"
#include "PPCTargetTransformInfo.h"
#include "TargetInfo/PowerPCTargetInfo.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/CodeGen/GlobalISel/IRTranslator.h"
#include "llvm/CodeGen/GlobalISel/InstructionSelect.h"
#include "llvm/CodeGen/GlobalISel/InstructionSelector.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/DataLayout.h"
#include "llvm/IR/Function.h"
#include "llvm/InitializePasses.h"
#include "llvm/MC/TargetRegistry.h"
#include "llvm/Pass.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/Scalar.h"
#include <cassert>
#include <memory>
#include <optional>
#include <string>

Go to the source code of this file.

Functions
LLVM_EXTERNAL_VISIBILITY void	LLVMInitializePowerPCTarget ()
static bool	isLittleEndianTriple (const Triple &T)
static std::string	getDataLayoutString (const Triple &T)
	Return the datalayout string of a subtarget.
static std::string	computeFSAdditions (StringRef FS, CodeGenOptLevel OL, const Triple &TT)
static std::unique_ptr< TargetLoweringObjectFile >	createTLOF (const Triple &TT)
static PPCTargetMachine::PPCABI	computeTargetABI (const Triple &TT, const TargetOptions &Options)
static Reloc::Model	getEffectiveRelocModel (const Triple &TT, std::optional< Reloc::Model > RM)
static CodeModel::Model	getEffectivePPCCodeModel (const Triple &TT, std::optional< CodeModel::Model > CM, bool JIT)
static ScheduleDAGInstrs *	createPPCMachineScheduler (MachineSchedContext *C)
static ScheduleDAGInstrs *	createPPCPostMachineScheduler (MachineSchedContext *C)

Variables
static cl::opt< bool >	EnableBranchCoalescing ("enable-ppc-branch-coalesce", cl::Hidden, cl::desc("enable coalescing of duplicate branches for PPC"))
static cl::opt< bool >	DisableCTRLoops ("disable-ppc-ctrloops", cl::Hidden, cl::desc("Disable CTR loops for PPC"))
static cl::opt< bool >	DisableInstrFormPrep ("disable-ppc-instr-form-prep", cl::Hidden, cl::desc("Disable PPC loop instr form prep"))
static cl::opt< bool >	VSXFMAMutateEarly ("schedule-ppc-vsx-fma-mutation-early", cl::Hidden, cl::desc("Schedule VSX FMA instruction mutation early"))
static cl::opt< bool >	DisableVSXSwapRemoval ("disable-ppc-vsx-swap-removal", cl::Hidden, cl::desc("Disable VSX Swap Removal for PPC"))
static cl::opt< bool >	DisableMIPeephole ("disable-ppc-peephole", cl::Hidden, cl::desc("Disable machine peepholes for PPC"))
static cl::opt< bool >	EnableGEPOpt ("ppc-gep-opt", cl::Hidden, cl::desc("Enable optimizations on complex GEPs"), cl::init(true))
static cl::opt< bool >	EnablePrefetch ("enable-ppc-prefetching", cl::desc("enable software prefetching on PPC"), cl::init(false), cl::Hidden)
static cl::opt< bool >	EnableExtraTOCRegDeps ("enable-ppc-extra-toc-reg-deps", cl::desc("Add extra TOC register dependencies"), cl::init(true), cl::Hidden)
static cl::opt< bool >	EnableMachineCombinerPass ("ppc-machine-combiner", cl::desc("Enable the machine combiner pass"), cl::init(true), cl::Hidden)
static cl::opt< bool >	ReduceCRLogical ("ppc-reduce-cr-logicals", cl::desc("Expand eligible cr-logical binary ops to branches"), cl::init(true), cl::Hidden)
static cl::opt< bool >	MergeStringPool ("ppc-merge-string-pool", cl::desc("Merge all of the strings in a module into one pool"), cl::init(true), cl::Hidden)
static cl::opt< bool >	EnablePPCGenScalarMASSEntries ("enable-ppc-gen-scalar-mass", cl::init(false), cl::desc("Enable lowering math functions to their corresponding MASS " "(scalar) entries"), cl::Hidden)
static cl::opt< bool >	EnableGlobalMerge ("ppc-global-merge", cl::Hidden, cl::init(false), cl::desc("Enable the global merge pass"))
static cl::opt< unsigned >	GlobalMergeMaxOffset ("ppc-global-merge-max-offset", cl::Hidden, cl::init(0x7fff), cl::desc("Maximum global merge offset"))
static MachineSchedRegistry	PPCPreRASchedRegistry ("ppc-prera", "Run PowerPC PreRA specific scheduler", createPPCMachineScheduler)
static MachineSchedRegistry	PPCPostRASchedRegistry ("ppc-postra", "Run PowerPC PostRA specific scheduler", createPPCPostMachineScheduler)

Function Documentation

computeFSAdditions()

static std::string computeFSAdditions ( StringRef  FS, CodeGenOptLevel  OL, const Triple &  TT  )

static

Definition at line 209 of file PPCTargetMachine.cpp.

References llvm::Triple::ppc64, and llvm::Triple::ppc64le.

Referenced by llvm::PPCTargetMachine::getSubtargetImpl().

computeTargetABI()

static PPCTargetMachine::PPCABI computeTargetABI ( const Triple &  TT, const TargetOptions &  Options  )

static

Definition at line 252 of file PPCTargetMachine.cpp.

References assert(), Options, llvm::Triple::ppc64, llvm::Triple::ppc64le, llvm::PPCTargetMachine::PPC_ABI_ELFv1, llvm::PPCTargetMachine::PPC_ABI_ELFv2, and llvm::PPCTargetMachine::PPC_ABI_UNKNOWN.

createPPCMachineScheduler()

static ScheduleDAGInstrs * createPPCMachineScheduler ( MachineSchedContext *  C )

static

Definition at line 318 of file PPCTargetMachine.cpp.

References llvm::CallingConv::C, llvm::createCopyConstrainDAGMutation(), llvm::createPowerPCMacroFusionDAGMutation(), and llvm::createStoreClusterDAGMutation().

createPPCPostMachineScheduler()

static ScheduleDAGInstrs * createPPCPostMachineScheduler ( MachineSchedContext *  C )

static

Definition at line 334 of file PPCTargetMachine.cpp.

References llvm::CallingConv::C, llvm::createPowerPCMacroFusionDAGMutation(), and llvm::createStoreClusterDAGMutation().

createTLOF()

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

static

Definition at line 245 of file PPCTargetMachine.cpp.

getDataLayoutString()

static std::string getDataLayoutString ( const Triple &  T )

static

Return the datalayout string of a subtarget.

Definition at line 162 of file PPCTargetMachine.cpp.

References llvm::DataLayout::getManglingComponent(), is64Bit(), isLittleEndianTriple(), llvm::Triple::Lv2, llvm::Triple::ppc64, and llvm::Triple::ppc64le.

getEffectivePPCCodeModel()

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

static

Definition at line 293 of file PPCTargetMachine.cpp.

References assert(), llvm::CodeModel::Kernel, llvm::CodeModel::Medium, llvm::report_fatal_error(), llvm::CodeModel::Small, and llvm::CodeModel::Tiny.

getEffectiveRelocModel()

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

static

Definition at line 275 of file PPCTargetMachine.cpp.

References llvm::Reloc::PIC_, llvm::Triple::ppc64, llvm::report_fatal_error(), and llvm::Reloc::Static.

isLittleEndianTriple()

static bool isLittleEndianTriple ( const Triple &  T )

static

Definition at line 157 of file PPCTargetMachine.cpp.

References llvm::Triple::ppc64le, and llvm::Triple::ppcle.

Referenced by getDataLayoutString().

LLVMInitializePowerPCTarget()

LLVM_EXTERNAL_VISIBILITY void LLVMInitializePowerPCTarget

(

)

Definition at line 123 of file PPCTargetMachine.cpp.

References A, B, llvm::CallingConv::C, D, llvm::PassRegistry::getPassRegistry(), llvm::getThePPC32LETarget(), llvm::getThePPC32Target(), llvm::getThePPC64LETarget(), llvm::getThePPC64Target(), llvm::initializeGlobalISel(), llvm::initializePPCBoolRetToIntPass(), llvm::initializePPCBranchCoalescingPass(), llvm::initializePPCBSelPass(), llvm::initializePPCCTRLoopsPass(), llvm::initializePPCCTRLoopsVerifyPass(), llvm::initializePPCDAGToDAGISelLegacyPass(), llvm::initializePPCEarlyReturnPass(), llvm::initializePPCExpandAtomicPseudoPass(), llvm::initializePPCExpandISELPass(), llvm::initializePPCGenScalarMASSEntriesPass(), llvm::initializePPCLoopInstrFormPrepPass(), llvm::initializePPCLowerMASSVEntriesPass(), llvm::initializePPCMergeStringPoolPass(), llvm::initializePPCMIPeepholePass(), llvm::initializePPCPreEmitPeepholePass(), llvm::initializePPCReduceCRLogicalsPass(), llvm::initializePPCTLSDynamicCallPass(), llvm::initializePPCTOCRegDepsPass(), llvm::initializePPCVSXCopyPass(), llvm::initializePPCVSXFMAMutatePass(), and llvm::initializePPCVSXSwapRemovalPass().

Variable Documentation

DisableCTRLoops

cl::opt< bool > DisableCTRLoops("disable-ppc-ctrloops", cl::Hidden, cl::desc("Disable CTR loops for PPC")) ( "disable-ppc-ctrloops"  , cl::Hidden  , cl::desc("Disable CTR loops for PPC")    )

static

DisableInstrFormPrep

cl::opt< bool > DisableInstrFormPrep("disable-ppc-instr-form-prep", cl::Hidden, cl::desc("Disable PPC loop instr form prep")) ( "disable-ppc-instr-form-prep"  , cl::Hidden  , cl::desc("Disable PPC loop instr form prep")    )

static

DisableMIPeephole

cl::opt< bool > DisableMIPeephole("disable-ppc-peephole", cl::Hidden, cl::desc("Disable machine peepholes for PPC")) ( "disable-ppc-peephole"  , cl::Hidden  , cl::desc("Disable machine peepholes for PPC")    )

static

DisableVSXSwapRemoval

cl::opt< bool > DisableVSXSwapRemoval("disable-ppc-vsx-swap-removal", cl::Hidden, cl::desc("Disable VSX Swap Removal for PPC")) ( "disable-ppc-vsx-swap-removal"  , cl::Hidden  , cl::desc("Disable VSX Swap Removal for PPC")    )

static

EnableBranchCoalescing

cl::opt< bool > EnableBranchCoalescing("enable-ppc-branch-coalesce", cl::Hidden, cl::desc("enable coalescing of duplicate branches for PPC")) ( "enable-ppc-branch-coalesce"  , cl::Hidden  , cl::desc("enable coalescing of duplicate branches for PPC")    )

static

EnableExtraTOCRegDeps

cl::opt< bool > EnableExtraTOCRegDeps("enable-ppc-extra-toc-reg-deps", cl::desc("Add extra TOC register dependencies"), cl::init(true), cl::Hidden) ( "enable-ppc-extra-toc-reg-deps"  , cl::desc("Add extra TOC register dependencies")  , cl::init(true)  , cl::Hidden    )

static

EnableGEPOpt

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

static

EnableGlobalMerge

cl::opt< bool > EnableGlobalMerge("ppc-global-merge", cl::Hidden, cl::init(false), cl::desc("Enable the global merge pass")) ( "ppc-global-merge"  , cl::Hidden  , cl::init(false)  , cl::desc("Enable the global merge pass")    )

static

EnableMachineCombinerPass

cl::opt< bool > EnableMachineCombinerPass("ppc-machine-combiner", cl::desc("Enable the machine combiner pass"), cl::init(true), cl::Hidden) ( "ppc-machine-combiner"  , cl::desc("Enable the machine combiner pass")  , cl::init(true)  , cl::Hidden    )

static

EnablePPCGenScalarMASSEntries

cl::opt< bool > EnablePPCGenScalarMASSEntries("enable-ppc-gen-scalar-mass", cl::init(false), cl::desc("Enable lowering math functions to their corresponding MASS " "(scalar) entries"), cl::Hidden) ( "enable-ppc-gen-scalar-mass"  , cl::init(false)  , cl::desc("Enable lowering math functions to their corresponding MASS " "(scalar) entries")  , cl::Hidden    )

static

EnablePrefetch

cl::opt< bool > EnablePrefetch("enable-ppc-prefetching", cl::desc("enable software prefetching on PPC"), cl::init(false), cl::Hidden) ( "enable-ppc-prefetching"  , cl::desc("enable software prefetching on PPC")  , cl::init(false)  , cl::Hidden    )

static

GlobalMergeMaxOffset

cl::opt< unsigned > GlobalMergeMaxOffset("ppc-global-merge-max-offset", cl::Hidden, cl::init(0x7fff), cl::desc("Maximum global merge offset")) ( "ppc-global-merge-max-offset"  , cl::Hidden  , cl::init(0x7fff)  , cl::desc("Maximum global merge offset")    )

static

MergeStringPool

cl::opt< bool > MergeStringPool("ppc-merge-string-pool", cl::desc("Merge all of the strings in a module into one pool"), cl::init(true), cl::Hidden) ( "ppc-merge-string-pool"  , cl::desc("Merge all of the strings in a module into one pool")  , cl::init(true)  , cl::Hidden    )

static

PPCPostRASchedRegistry

MachineSchedRegistry PPCPostRASchedRegistry("ppc-postra", "Run PowerPC PostRA specific scheduler", createPPCPostMachineScheduler) ( "ppc-postra"  , "Run PowerPC PostRA specific scheduler"  , createPPCPostMachineScheduler    )

static

PPCPreRASchedRegistry

MachineSchedRegistry PPCPreRASchedRegistry("ppc-prera", "Run PowerPC PreRA specific scheduler", createPPCMachineScheduler) ( "ppc-prera"  , "Run PowerPC PreRA specific scheduler"  , createPPCMachineScheduler    )

static

ReduceCRLogical

cl::opt< bool > ReduceCRLogical("ppc-reduce-cr-logicals", cl::desc("Expand eligible cr-logical binary ops to branches"), cl::init(true), cl::Hidden) ( "ppc-reduce-cr-logicals"  , cl::desc("Expand eligible cr-logical binary ops to branches")  , cl::init(true)  , cl::Hidden    )

static

VSXFMAMutateEarly

cl::opt< bool > VSXFMAMutateEarly("schedule-ppc-vsx-fma-mutation-early", cl::Hidden, cl::desc("Schedule VSX FMA instruction mutation early")) ( "schedule-ppc-vsx-fma-mutation-early"  , cl::Hidden  , cl::desc("Schedule VSX FMA instruction mutation early")    )

static