llvm::InstructionSelectImpl Class Reference

#include "llvm/CodeGen/GlobalISel/InstructionSelect.h"

Classes
class	MIIteratorMaintainer
	This class observes instruction insertions/removals. More...

Public Member Functions
LLVM_ABI bool	selectMachineFunction (MachineFunction &MF)
void	setInstructionSelector (InstructionSelector *NewISel)
LLVM_ABI bool	runOnMachineFunction (MachineFunction &MF, function_ref< GISelValueTracking *()> GetVT, function_ref< ProfileSummaryInfo *()> GetPSI, function_ref< BlockFrequencyInfo *()> GetBFI)
LLVM_ABI	InstructionSelectImpl (CodeGenOptLevel OL)

Protected Member Functions
LLVM_ABI bool	selectInstr (MachineInstr &MI)

Protected Attributes
InstructionSelector *	ISel = nullptr
GISelValueTracking *	VT = nullptr
BlockFrequencyInfo *	BFI = nullptr
ProfileSummaryInfo *	PSI = nullptr
CodeGenOptLevel	OptLevel = CodeGenOptLevel::None

Detailed Description

Definition at line 69 of file InstructionSelect.h.

Constructor & Destructor Documentation

InstructionSelectImpl()

InstructionSelectImpl::InstructionSelectImpl

(

CodeGenOptLevel

OL

)

Definition at line 82 of file InstructionSelect.cpp.

References OptLevel.

Member Function Documentation

runOnMachineFunction()

bool InstructionSelectImpl::runOnMachineFunction	(	MachineFunction &	MF,
		function_ref< GISelValueTracking *()>	GetVT,
		function_ref< ProfileSummaryInfo *()>	GetPSI,
		function_ref< BlockFrequencyInfo *()>	GetBFI )

Definition at line 150 of file InstructionSelect.cpp.

References BFI, llvm::MachineFunction::getFunction(), llvm::TargetSubtargetInfo::getInstructionSelector(), llvm::TargetMachine::getOptLevel(), llvm::MachineFunction::getProperties(), llvm::MachineFunction::getSubtarget(), llvm::MachineFunction::getTarget(), llvm::Function::hasOptNone(), ISel, llvm::None, OptLevel, PSI, selectMachineFunction(), and VT.

selectInstr()

bool InstructionSelectImpl::selectInstr ( MachineInstr & MI )

protected

Definition at line 366 of file InstructionSelect.cpp.

References llvm::dbgs(), ISel, llvm::isPreISelGenericOptimizationHint(), llvm::isTriviallyDead(), LLVM_DEBUG, MI, MRI, and llvm::salvageDebugInfo().

Referenced by selectMachineFunction().

selectMachineFunction()

bool InstructionSelectImpl::selectMachineFunction

(

MachineFunction &

MF

)

Definition at line 176 of file InstructionSelect.cpp.

References llvm::GISelObserverWrapper::addObserver(), assert(), BFI, llvm::detail::DenseSetImpl< ValueT, MapTy >::contains(), CoveragePrefix, llvm::CodeGenCoverage::covered(), llvm::dbgs(), llvm::DisableGISelLegalityCheck, llvm::CodeGenCoverage::emit(), llvm::End, llvm::TargetLoweringBase::finalizeLowering(), llvm::MachineFunction::getFrameInfo(), llvm::MachineFunction::getFunction(), llvm::MachineFunction::getName(), llvm::MachineFunction::getProperties(), llvm::MachineFunction::getRegInfo(), llvm::TargetSubtargetInfo::getRegisterInfo(), llvm::Function::getSubprogram(), llvm::MachineFunction::getSubtarget(), llvm::TargetSubtargetInfo::getTargetLowering(), llvm::MachineFrameInfo::hasCalls(), llvm::MachineFunction::hasInlineAsm(), I, llvm::Register::index2VirtReg(), llvm::detail::DenseSetImpl< ValueT, MapTy >::insert(), ISel, llvm::details::FixedOrScalableQuantity< TypeSize, uint64_t >::isKnownGT(), llvm::Register::isVirtual(), LLVM_DEBUG, llvm::machineFunctionIsIllegal(), MBB, MI, llvm::InstructionSelectImpl::MIIteratorMaintainer::MII, MORE, MRI, llvm::post_order(), PSI, llvm::InstructionSelectImpl::MIIteratorMaintainer::reportFullyCreatedInstrs(), llvm::reportGISelFailure(), selectInstr(), llvm::MachineFrameInfo::setHasCalls(), llvm::MachineFunction::setHasInlineAsm(), llvm::DebugCounter::shouldExecute(), llvm::MachineFunction::size(), TRI, and VT.

Referenced by runOnMachineFunction().

setInstructionSelector()

void llvm::InstructionSelectImpl::setInstructionSelector ( InstructionSelector * NewISel )

inline

Definition at line 72 of file InstructionSelect.h.

References ISel.

Member Data Documentation

BFI

BlockFrequencyInfo* llvm::InstructionSelectImpl::BFI = nullptr

protected

Definition at line 85 of file InstructionSelect.h.

Referenced by runOnMachineFunction(), and selectMachineFunction().

ISel

InstructionSelector* llvm::InstructionSelectImpl::ISel = nullptr

protected

Definition at line 83 of file InstructionSelect.h.

Referenced by runOnMachineFunction(), selectInstr(), selectMachineFunction(), and setInstructionSelector().

OptLevel

CodeGenOptLevel llvm::InstructionSelectImpl::OptLevel = CodeGenOptLevel::None

protected

Definition at line 88 of file InstructionSelect.h.

Referenced by InstructionSelectImpl(), and runOnMachineFunction().

PSI

ProfileSummaryInfo* llvm::InstructionSelectImpl::PSI = nullptr

protected

Definition at line 86 of file InstructionSelect.h.

Referenced by runOnMachineFunction(), and selectMachineFunction().

VT

GISelValueTracking* llvm::InstructionSelectImpl::VT = nullptr

protected

Definition at line 84 of file InstructionSelect.h.

Referenced by runOnMachineFunction(), and selectMachineFunction().

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The documentation for this class was generated from the following files:

• include/llvm/CodeGen/GlobalISel/InstructionSelect.h
• lib/CodeGen/GlobalISel/InstructionSelect.cpp