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/StringRef.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/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/Support/Compiler.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_ABI LLVM_EXTERNAL_VISIBILITY void	LLVMInitializePowerPCTarget ()
static std::string	computeFSAdditions (StringRef FS, CodeGenOptLevel OL, const Triple &TT)
static std::unique_ptr< TargetLoweringObjectFile >	createTLOF (const Triple &TT)
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 ("ppc-branch-coalesce", cl::Hidden, cl::desc("enable coalescing of duplicate branches for PPC"))
static cl::opt< bool >	EnableCTRLoops ("ppc-ctr-loops", cl::desc("Enable CTR loops for PPC"), cl::init(true), cl::Hidden)
static cl::opt< bool >	EnableInstrFormPrep ("ppc-instr-form-prep", cl::desc("Enable PPC loop instr form prep"), cl::init(true), cl::Hidden)
static cl::opt< bool >	VSXFMAMutateEarly ("ppc-schedule-vsx-fma-mutation-early", cl::Hidden, cl::desc("Schedule VSX FMA instruction mutation early"))
static cl::opt< bool >	EnableVSXSwapRemoval ("ppc-vsx-swap-removal", cl::desc("Enable VSX Swap Removal for PPC"), cl::init(true), cl::Hidden)
static cl::opt< bool >	EnableMIPeephole ("ppc-peephole", cl::desc("Enable machine peepholes for PPC"), cl::init(true), cl::Hidden)
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 ("ppc-prefetching", cl::desc("enable software prefetching on PPC"), cl::init(false), cl::Hidden)
static cl::opt< bool >	EnableExtraTOCRegDeps ("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)
cl::opt< bool >	EnablePPCGenScalarMASSEntries ("ppc-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()

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

static

Definition at line 154 of file PPCTargetMachine.cpp.

References llvm::Default, and llvm::None.

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

createPPCMachineScheduler()

ScheduleDAGInstrs * createPPCMachineScheduler ( MachineSchedContext * C )

static

Definition at line 264 of file PPCTargetMachine.cpp.

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

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

createPPCPostMachineScheduler()

ScheduleDAGInstrs * createPPCPostMachineScheduler ( MachineSchedContext * C )

static

Definition at line 279 of file PPCTargetMachine.cpp.

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

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

createTLOF()

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

static

Definition at line 190 of file PPCTargetMachine.cpp.

getEffectivePPCCodeModel()

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

static

Definition at line 235 of file PPCTargetMachine.cpp.

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

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

getEffectiveRelocModel()

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

static

Definition at line 217 of file PPCTargetMachine.cpp.

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

LLVMInitializePowerPCTarget()

LLVM_ABI LLVM_EXTERNAL_VISIBILITY void LLVMInitializePowerPCTarget

(

)

Definition at line 119 of file PPCTargetMachine.cpp.

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

Variable Documentation

EnableBranchCoalescing

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

static

EnableCTRLoops

cl::opt< bool > EnableCTRLoops("ppc-ctr-loops", cl::desc("Enable CTR loops for PPC"), cl::init(true), cl::Hidden) ( "ppc-ctr-loops" , cl::desc("Enable CTR loops for PPC") , cl::init(true) , cl::Hidden  )

static

EnableExtraTOCRegDeps

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

EnableInstrFormPrep

cl::opt< bool > EnableInstrFormPrep("ppc-instr-form-prep", cl::desc("Enable PPC loop instr form prep"), cl::init(true), cl::Hidden) ( "ppc-instr-form-prep" , cl::desc("Enable PPC loop instr form prep") , cl::init(true) , cl::Hidden  )

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

EnableMIPeephole

cl::opt< bool > EnableMIPeephole("ppc-peephole", cl::desc("Enable machine peepholes for PPC"), cl::init(true), cl::Hidden) ( "ppc-peephole" , cl::desc("Enable machine peepholes for PPC") , cl::init(true) , cl::Hidden  )

static

EnablePPCGenScalarMASSEntries

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

EnablePrefetch

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

static

EnableVSXSwapRemoval

cl::opt< bool > EnableVSXSwapRemoval("ppc-vsx-swap-removal", cl::desc("Enable VSX Swap Removal for PPC"), cl::init(true), cl::Hidden) ( "ppc-vsx-swap-removal" , cl::desc("Enable VSX Swap Removal for PPC") , cl::init(true) , 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

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("ppc-schedule-vsx-fma-mutation-early", cl::Hidden, cl::desc("Schedule VSX FMA instruction mutation early")) ( "ppc-schedule-vsx-fma-mutation-early" , cl::Hidden , cl::desc("Schedule VSX FMA instruction mutation early")  )

static