SIFoldOperands.cpp File Reference

#include "SIFoldOperands.h"
#include "AMDGPU.h"
#include "GCNSubtarget.h"
#include "MCTargetDesc/AMDGPUMCTargetDesc.h"
#include "SIInstrInfo.h"
#include "SIMachineFunctionInfo.h"
#include "SIRegisterInfo.h"
#include "llvm/ADT/DepthFirstIterator.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineOperand.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "si-fold-operands"

Functions
static const TargetRegisterClass *	getRegOpRC (const MachineRegisterInfo &MRI, const TargetRegisterInfo &TRI, const MachineOperand &MO)
static unsigned	macToMad (unsigned Opc)
static void	appendFoldCandidate (SmallVectorImpl< FoldCandidate > &FoldList, FoldCandidate &&Entry)
static void	appendFoldCandidate (SmallVectorImpl< FoldCandidate > &FoldList, MachineInstr *MI, unsigned OpNo, const FoldableDef &FoldOp, bool Commuted=false, int ShrinkOp=-1)
static MachineOperand *	lookUpCopyChain (const SIInstrInfo &TII, const MachineRegisterInfo &MRI, Register SrcReg)
static bool	evalBinaryInstruction (unsigned Opcode, int32_t &Result, uint32_t LHS, uint32_t RHS)
static unsigned	getMovOpc (bool IsScalar)
static void	mutateCopyOp (MachineInstr &MI, const MCInstrDesc &NewDesc)
static int	getOModValue (unsigned Opc, int64_t Val)
static bool	isAGPRCopy (const SIRegisterInfo &TRI, const MachineRegisterInfo &MRI, const MachineInstr &Copy, Register &OutReg, unsigned &OutSubReg)
	Checks whether Copy is a AGPR -> VGPR copy.

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "si-fold-operands"

Definition at line 23 of file SIFoldOperands.cpp.

Function Documentation

appendFoldCandidate() [1/2]

void appendFoldCandidate ( SmallVectorImpl< FoldCandidate > & FoldList, FoldCandidate && Entry )

static

Definition at line 746 of file SIFoldOperands.cpp.

References llvm::dbgs(), LLVM_DEBUG, and llvm::SmallVectorTemplateBase< T, bool >::push_back().

Referenced by appendFoldCandidate().

appendFoldCandidate() [2/2]

void appendFoldCandidate ( SmallVectorImpl< FoldCandidate > & FoldList, MachineInstr * MI, unsigned OpNo, const FoldableDef & FoldOp, bool Commuted = false, int ShrinkOp = -1 )

static

Definition at line 757 of file SIFoldOperands.cpp.

References appendFoldCandidate(), and MI.

evalBinaryInstruction()

bool evalBinaryInstruction ( unsigned Opcode, int32_t & Result, uint32_t LHS, uint32_t RHS )

static

Definition at line 1491 of file SIFoldOperands.cpp.

References LHS, and RHS.

getMovOpc()

unsigned getMovOpc ( bool IsScalar )

static

Definition at line 1557 of file SIFoldOperands.cpp.

getOModValue()

int getOModValue ( unsigned Opc, int64_t Val )

static

Definition at line 2212 of file SIFoldOperands.cpp.

References llvm::SIOutMods::DIV2, llvm_unreachable, llvm::SIOutMods::MUL2, llvm::SIOutMods::MUL4, llvm::SIOutMods::NONE, and Opc.

getRegOpRC()

const TargetRegisterClass * getRegOpRC ( const MachineRegisterInfo & MRI, const TargetRegisterInfo & TRI, const MachineOperand & MO )

static

Definition at line 305 of file SIFoldOperands.cpp.

References const, getRegOpRC(), if(), MRI, and TRI.

Referenced by getRegOpRC().

isAGPRCopy()

bool isAGPRCopy ( const SIRegisterInfo & TRI, const MachineRegisterInfo & MRI, const MachineInstr & Copy, Register & OutReg, unsigned & OutSubReg )

static

Checks whether Copy is a AGPR -> VGPR copy.

Returns true on success and stores the AGPR register in OutReg and the subreg in OutSubReg

Definition at line 2461 of file SIFoldOperands.cpp.

References assert(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), llvm::MachineOperand::getSubReg(), llvm::MachineInstr::isCopy(), llvm::Register::isVirtual(), MRI, and TRI.

lookUpCopyChain()

MachineOperand * lookUpCopyChain ( const SIInstrInfo & TII, const MachineRegisterInfo & MRI, Register SrcReg )

static

Definition at line 928 of file SIFoldOperands.cpp.

References llvm::SrcOp::getReg(), llvm::Register::isPhysical(), MRI, llvm::Sub, and TII.

macToMad()

unsigned macToMad ( unsigned Opc )

static

Definition at line 316 of file SIFoldOperands.cpp.

References Opc.

mutateCopyOp()

void mutateCopyOp ( MachineInstr & MI, const MCInstrDesc & NewDesc )

static

Definition at line 1561 of file SIFoldOperands.cpp.

References AbstractManglingParser< Derived, Alloc >::NumOps, I, and MI.