RISCVQCRelaxMarking.cpp File Reference

#include "RISCV.h"
#include "RISCVSubtarget.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/CodeGen/MachineFunctionAnalysisManager.h"
#include "llvm/CodeGen/MachinePassManager.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/RegisterScavenging.h"
#include "llvm/IR/Analysis.h"
#include "llvm/MC/TargetRegistry.h"
#include "llvm/Pass.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "riscv-qc-relax-marking"
#define	RISCV_QC_RELAX_MARKING_NAME   "RISC-V QC Relaxation Marking"

Functions
	STATISTIC (NumMarked, "Number of Loads/Stores Marked")
	INITIALIZE_PASS (RISCVQCRelaxMarkingLegacy, DEBUG_TYPE, RISCV_QC_RELAX_MARKING_NAME, false, false) FunctionPass *llvm
	Returns an instance of the Make Compressible Optimization pass.
static bool	isUImm7LSB000 (const MachineOperand &MO)
static bool	isUImm2LSB0 (const MachineOperand &MO)
static bool	isUImm2 (const MachineOperand &MO)
static bool	isGPRC (const MachineOperand &MO)
static unsigned	getQCMarkedOpcode (const MachineInstr &MI, const RISCVSubtarget &STI)
static bool	runQCRelaxMarking (MachineFunction &MF)

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "riscv-qc-relax-marking"

Definition at line 48 of file RISCVQCRelaxMarking.cpp.

RISCV_QC_RELAX_MARKING_NAME

#define RISCV_QC_RELAX_MARKING_NAME   "RISC-V QC Relaxation Marking"

Definition at line 49 of file RISCVQCRelaxMarking.cpp.

Referenced by INITIALIZE_PASS().

Function Documentation

getQCMarkedOpcode()

unsigned getQCMarkedOpcode ( const MachineInstr & MI, const RISCVSubtarget & STI )

static

Definition at line 98 of file RISCVQCRelaxMarking.cpp.

References isGPRC(), isUImm2(), isUImm2LSB0(), isUImm7LSB000(), MI, and llvm::reportFatalInternalError().

Referenced by runQCRelaxMarking().

INITIALIZE_PASS()

INITIALIZE_PASS	(	RISCVQCRelaxMarkingLegacy	,
		DEBUG_TYPE	,
		RISCV_QC_RELAX_MARKING_NAME	,
		false	,
		false	)

Returns an instance of the Make Compressible Optimization pass.

Definition at line 74 of file RISCVQCRelaxMarking.cpp.

References llvm::createRISCVQCRelaxMarkingLegacyPass(), DEBUG_TYPE, and RISCV_QC_RELAX_MARKING_NAME.

isGPRC()

bool isGPRC ( const MachineOperand & MO )

static

Definition at line 94 of file RISCVQCRelaxMarking.cpp.

References llvm::MachineOperand::getReg().

Referenced by getQCMarkedOpcode().

isUImm2()

bool isUImm2 ( const MachineOperand & MO )

static

Definition at line 90 of file RISCVQCRelaxMarking.cpp.

References llvm::MachineOperand::getImm(), llvm::MachineOperand::isImm(), and llvm::isUInt().

Referenced by getQCMarkedOpcode().

isUImm2LSB0()

bool isUImm2LSB0 ( const MachineOperand & MO )

static

Definition at line 86 of file RISCVQCRelaxMarking.cpp.

References llvm::MachineOperand::getImm(), llvm::MachineOperand::isImm(), and llvm::isShiftedUInt().

Referenced by getQCMarkedOpcode().

isUImm7LSB000()

bool isUImm7LSB000 ( const MachineOperand & MO )

static

Definition at line 82 of file RISCVQCRelaxMarking.cpp.

References llvm::MachineOperand::getImm(), llvm::MachineOperand::isImm(), and llvm::isShiftedUInt().

Referenced by getQCMarkedOpcode().

runQCRelaxMarking()

bool runQCRelaxMarking ( MachineFunction & MF )

static

Definition at line 145 of file RISCVQCRelaxMarking.cpp.

References llvm::MachineInstrBuilder::add(), llvm::MachineInstrBuilder::addConstantPoolIndex(), llvm::MachineInstrBuilder::addExternalSymbol(), llvm::MachineInstrBuilder::addGlobalAddress(), llvm::BuildMI(), Changed, llvm::MachineInstrBuilder::cloneMemRefs(), llvm::MachineOperand::CreateMCSymbol(), llvm::dbgs(), E(), llvm::TargetMachine::getCodeModel(), llvm::MachineOperand::getGlobal(), llvm::MachineOperand::getIndex(), llvm::MachineOperand::getMCSymbol(), llvm::MachineOperand::getOffset(), getQCMarkedOpcode(), llvm::MachineFunction::getSubtarget(), llvm::MachineOperand::getSymbolName(), llvm::MachineFunction::getTarget(), llvm::MachineOperand::isCPI(), llvm::MachineOperand::isGlobal(), llvm::MachineOperand::isMCSymbol(), llvm::MachineOperand::isSymbol(), LLVM_DEBUG, MBB, MI, llvm::RISCVII::MO_QC_ACCESS, llvm::MachineInstr::removeFromParent(), llvm::reportFatalInternalError(), llvm::MachineOperand::setOffset(), llvm::CodeModel::Small, and TII.

Referenced by llvm::RISCVQCRelaxMarkingPass::run().

STATISTIC()

STATISTIC	(	NumMarked	,
		"Number of Loads/Stores Marked"	)