PPCTargetMachine.cpp File Reference

#include "PPCTargetMachine.h"
#include "MCTargetDesc/PPCMCTargetDesc.h"
#include "PPC.h"
#include "PPCSubtarget.h"
#include "PPCTargetObjectFile.h"
#include "PPCTargetTransformInfo.h"
#include "llvm/ADT/Optional.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/Triple.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/TargetPassConfig.h"
#include "llvm/CodeGen/MachineScheduler.h"
#include "llvm/IR/Attributes.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/Function.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 <cassert>
#include <memory>
#include <string>

Include dependency graph for PPCTargetMachine.cpp:

Go to the source code of this file.

Functions
void	LLVMInitializePowerPCTarget ()
static std::string	getDataLayoutString (const Triple &T)
	Return the datalayout string of a subtarget. More...
static std::string	computeFSAdditions (StringRef FS, CodeGenOpt::Level 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, Optional< Reloc::Model > RM)
static CodeModel::Model	getEffectivePPCCodeModel (const Triple &TT, Optional< CodeModel::Model > CM, bool JIT)

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 >	DisablePreIncPrep ("disable-ppc-preinc-prep", cl::Hidden, cl::desc("Disable PPC loop preinc 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 >	DisableQPXLoadSplat ("disable-ppc-qpx-load-splat", cl::Hidden, cl::desc("Disable QPX load splat simplification"))
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("disable 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(false), cl::Hidden)

Function Documentation

computeFSAdditions()

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

static

Definition at line 144 of file PPCTargetMachine.cpp.

References llvm::CodeGenOpt::Default, llvm::Triple::getArch(), llvm::CodeGenOpt::None, 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 182 of file PPCTargetMachine.cpp.

References assert(), llvm::StringRef::empty(), llvm::MCTargetOptions::getABIName(), llvm::Triple::getArch(), llvm::Triple::isMacOSX(), llvm::Triple::isOSDarwin(), llvm::TargetOptions::MCOptions, llvm::Triple::ppc64, llvm::Triple::ppc64le, llvm::PPCTargetMachine::PPC_ABI_ELFv1, llvm::PPCTargetMachine::PPC_ABI_ELFv2, llvm::PPCTargetMachine::PPC_ABI_UNKNOWN, llvm::report_fatal_error(), and llvm::StringRef::startswith().

createTLOF()

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

static

Definition at line 173 of file PPCTargetMachine.cpp.

References llvm::Triple::isOSDarwin().

getDataLayoutString()

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

static

Return the datalayout string of a subtarget.

Definition at line 111 of file PPCTargetMachine.cpp.

References llvm::Triple::getArch(), llvm::DataLayout::getManglingComponent(), llvm::Triple::getOS(), is64Bit(), llvm::Triple::isOSDarwin(), llvm::Triple::Lv2, llvm::Triple::ppc64, llvm::Triple::ppc64le, and llvm::MipsISD::Ret.

getEffectivePPCCodeModel()

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

static

Definition at line 225 of file PPCTargetMachine.cpp.

References llvm::Triple::getArch(), llvm::Triple::isOSDarwin(), llvm::CodeModel::Kernel, llvm::CodeModel::Medium, llvm::Triple::ppc64, llvm::Triple::ppc64le, 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 208 of file PPCTargetMachine.cpp.

References llvm::Reloc::DynamicNoPIC, llvm::Triple::getArch(), llvm::Optional< T >::hasValue(), llvm::Triple::isOSDarwin(), llvm::Reloc::PIC_, llvm::Triple::ppc64, and llvm::Reloc::Static.

LLVMInitializePowerPCTarget()

void LLVMInitializePowerPCTarget

(

)

Definition at line 96 of file PPCTargetMachine.cpp.

References B, C, llvm::PassRegistry::getPassRegistry(), llvm::getThePPC32Target(), llvm::getThePPC64LETarget(), llvm::getThePPC64Target(), llvm::initializePPCBoolRetToIntPass(), llvm::initializePPCExpandISELPass(), llvm::initializePPCMIPeepholePass(), llvm::initializePPCPreEmitPeepholePass(), and llvm::initializePPCTLSDynamicCallPass().

Variable Documentation

DisableCTRLoops

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

static

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

DisableMIPeephole

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

static

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

DisablePreIncPrep

cl:: opt<bool> DisablePreIncPrep("disable-ppc-preinc-prep", cl::Hidden, cl::desc("Disable PPC loop preinc prep"))

static

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

DisableQPXLoadSplat

cl:: opt<bool> DisableQPXLoadSplat("disable-ppc-qpx-load-splat", cl::Hidden, cl::desc("Disable QPX load splat simplification"))

static

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

DisableVSXSwapRemoval

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

static

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

EnableBranchCoalescing

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

static

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

EnableExtraTOCRegDeps

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

static

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

EnableGEPOpt

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

static

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

EnableMachineCombinerPass

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

static

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

EnablePrefetch

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

static

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

ReduceCRLogical

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

static

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

VSXFMAMutateEarly

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

static

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