SILowerI1Copies.cpp File Reference

#include "AMDGPU.h"
#include "AMDGPUSubtarget.h"
#include "MCTargetDesc/AMDGPUMCTargetDesc.h"
#include "SIInstrInfo.h"
#include "llvm/CodeGen/MachineDominators.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachinePostDominators.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/MachineSSAUpdater.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/Support/Debug.h"
#include "llvm/Target/TargetMachine.h"

Include dependency graph for SILowerI1Copies.cpp:

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "si-i1-copies"

Functions
static unsigned	createLaneMaskReg (MachineFunction &MF)
static unsigned	insertUndefLaneMask (MachineBasicBlock &MBB)
	INITIALIZE_PASS_BEGIN (SILowerI1Copies, DEBUG_TYPE, "SI Lower i1 Copies", false, false) INITIALIZE_PASS_END(SILowerI1Copies
static bool	isVRegCompatibleReg (const SIRegisterInfo &TRI, const MachineRegisterInfo &MRI, Register Reg)
static void	instrDefsUsesSCC (const MachineInstr &MI, bool &Def, bool &Use)

Variables
	DEBUG_TYPE
SI Lower i1	Copies
SI Lower i1	false

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "si-i1-copies"

Definition at line 39 of file SILowerI1Copies.cpp.

Function Documentation

createLaneMaskReg()

static unsigned createLaneMaskReg ( MachineFunction &  MF )

static

Definition at line 427 of file SILowerI1Copies.cpp.

References llvm::MachineRegisterInfo::createVirtualRegister(), llvm::MachineFunction::getRegInfo(), llvm::MachineFunction::getSubtarget(), and llvm::GCNSubtarget::isWave32().

Referenced by insertUndefLaneMask(), instrDefsUsesSCC(), and isVRegCompatibleReg().

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	SILowerI1Copies	,
		DEBUG_TYPE	,
		"SI Lower i1 Copies"	,
		false	,
		false
	)

insertUndefLaneMask()

static unsigned insertUndefLaneMask ( MachineBasicBlock &  MBB )

static

Definition at line 434 of file SILowerI1Copies.cpp.

References llvm::BuildMI(), llvm::MachineRegisterInfo::constrainRegClass(), createLaneMaskReg(), llvm::MachineBasicBlock::getFirstTerminator(), llvm::GCNSubtarget::getInstrInfo(), llvm::MachineBasicBlock::getParent(), llvm::MachineFunction::getRegInfo(), and llvm::MachineFunction::getSubtarget().

Referenced by isVRegCompatibleReg().

instrDefsUsesSCC()

static void instrDefsUsesSCC ( const MachineInstr &  MI, bool &  Def, bool &  Use  )

static

Definition at line 771 of file SILowerI1Copies.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), llvm::MachineBasicBlock::begin(), llvm::BuildMI(), createLaneMaskReg(), E, llvm::MachineBasicBlock::end(), llvm::MachineBasicBlock::getFirstTerminator(), I, llvm_unreachable, and llvm::MachineInstr::operands().

isVRegCompatibleReg()

static bool isVRegCompatibleReg ( const SIRegisterInfo &  TRI, const MachineRegisterInfo &  MRI, Register  Reg  )

static

Definition at line 493 of file SILowerI1Copies.cpp.

References llvm::MachineSSAUpdater::AddAvailableValue(), llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), assert(), llvm::SmallVectorTemplateCommon< T, typename >::back(), llvm::BuildMI(), llvm::SmallVectorImpl< T >::clear(), llvm::detail::DenseSetImpl< ValueT, MapTy, ValueInfoT >::count(), createLaneMaskReg(), llvm::dbgs(), llvm::MachinePostDominatorTree::findNearestCommonDominator(), llvm::MachineOperand::getImm(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), llvm::SIInstrInfo::getRegisterInfo(), llvm::MachineOperand::getSubReg(), llvm::MachineRegisterInfo::getUniqueVRegDef(), llvm::MachineSSAUpdater::GetValueInMiddleOfBlock(), llvm::MachineSSAUpdater::Initialize(), llvm::detail::DenseSetImpl< ValueT, MapTy, ValueInfoT >::insert(), insertUndefLaneMask(), llvm::MachineOperand::isImm(), llvm::MachineInstr::isPHI(), llvm::Register::isVirtualRegister(), LLVM_DEBUG, MI, MRI, llvm::MachineBasicBlock::phis(), llvm::SmallVectorTemplateBase< T, bool >::push_back(), llvm::SmallVectorTemplateBase< T >::push_back(), llvm::MachineBasicBlock::push_back(), llvm::MachineRegisterInfo::replaceRegWith(), llvm::MachineRegisterInfo::setRegClass(), Size, llvm::SmallVectorBase::size(), llvm::MachineRegisterInfo::use_empty(), and llvm::MachineRegisterInfo::use_instructions().

Variable Documentation

Copies

SI Lower i1 Copies

Definition at line 416 of file SILowerI1Copies.cpp.

Referenced by bothUsedInPHI(), getRegsUsedByPHIs(), isOperandOf(), LowerInterruptReturn(), propagateLocalCopies(), splitBlock(), and llvm::TailDuplicator::tailDuplicateAndUpdate().

DEBUG_TYPE

DEBUG_TYPE

Definition at line 416 of file SILowerI1Copies.cpp.

false

SI Lower i1 false

Definition at line 416 of file SILowerI1Copies.cpp.