#include "RISCVInstrInfo.h"
#include "MCTargetDesc/RISCVMatInt.h"
#include "RISCV.h"
#include "RISCVMachineFunctionInfo.h"
#include "RISCVSubtarget.h"
#include "RISCVTargetMachine.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Analysis/MemoryLocation.h"
#include "llvm/CodeGen/LiveIntervals.h"
#include "llvm/CodeGen/LiveVariables.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/RegisterScavenging.h"
#include "llvm/MC/MCInstBuilder.h"
#include "llvm/MC/TargetRegistry.h"
#include "llvm/Support/ErrorHandling.h"
#include "RISCVGenCompressInstEmitter.inc"
#include "RISCVGenInstrInfo.inc"
#include "RISCVGenSearchableTables.inc"

Include dependency graph for RISCVInstrInfo.cpp:

Namespaces
	llvm
	This is an optimization pass for GlobalISel generic memory operations.

	llvm::RISCVVPseudosTable

Macros
#define	GEN_CHECK_COMPRESS_INSTR

#define	GET_INSTRINFO_CTOR_DTOR

#define	GET_INSTRINFO_NAMED_OPS

#define	GET_RISCVVPseudosTable_IMPL

#define	CASE_VFMA_OPCODE_COMMON(OP, TYPE, LMUL) RISCV::PseudoV##OP##_##TYPE##_##LMUL

#define	CASE_VFMA_OPCODE_LMULS_M1(OP, TYPE)

#define	CASE_VFMA_OPCODE_LMULS_MF2(OP, TYPE)

#define	CASE_VFMA_OPCODE_LMULS_MF4(OP, TYPE)

#define	CASE_VFMA_OPCODE_LMULS(OP, TYPE)

#define	CASE_VFMA_SPLATS(OP)

#define	CASE_VFMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, LMUL)

#define	CASE_VFMA_CHANGE_OPCODE_LMULS_M1(OLDOP, NEWOP, TYPE)

#define	CASE_VFMA_CHANGE_OPCODE_LMULS_MF2(OLDOP, NEWOP, TYPE)

#define	CASE_VFMA_CHANGE_OPCODE_LMULS_MF4(OLDOP, NEWOP, TYPE)

#define	CASE_VFMA_CHANGE_OPCODE_LMULS(OLDOP, NEWOP, TYPE)

#define	CASE_VFMA_CHANGE_OPCODE_SPLATS(OLDOP, NEWOP)

#define	CASE_WIDEOP_OPCODE_COMMON(OP, LMUL) RISCV::PseudoV##OP##_##LMUL##_TIED

#define	CASE_WIDEOP_OPCODE_LMULS_MF4(OP)

#define	CASE_WIDEOP_OPCODE_LMULS(OP)

#define	CASE_WIDEOP_CHANGE_OPCODE_COMMON(OP, LMUL)

#define	CASE_WIDEOP_CHANGE_OPCODE_LMULS_MF4(OP)

#define	CASE_WIDEOP_CHANGE_OPCODE_LMULS(OP)

Enumerations
enum	MachineOutlinerConstructionID { MachineOutlinerDefault }

Functions
static bool	forwardCopyWillClobberTuple (unsigned DstReg, unsigned SrcReg, unsigned NumRegs)

static bool	isConvertibleToVMV_V_V (const RISCVSubtarget &STI, const MachineBasicBlock &MBB, MachineBasicBlock::const_iterator MBBI, MachineBasicBlock::const_iterator &DefMBBI, RISCVII::VLMUL LMul)

static RISCVCC::CondCode	getCondFromBranchOpc (unsigned Opc)

static void	parseCondBranch (MachineInstr &LastInst, MachineBasicBlock *&Target, SmallVectorImpl< MachineOperand > &Cond)

static bool	isRVVWholeLoadStore (unsigned Opcode)

Variables
static cl::opt< bool >	PreferWholeRegisterMove ("riscv-prefer-whole-register-move", cl::init(false), cl::Hidden, cl::desc("Prefer whole register move for vector registers."))

Macro Definition Documentation

◆ CASE_VFMA_CHANGE_OPCODE_COMMON

#define CASE_VFMA_CHANGE_OPCODE_COMMON	(	OLDOP,
		NEWOP,
		TYPE,
		LMUL
	)

Value:

  case RISCV::PseudoV##OLDOP##_##TYPE##_##LMUL:                                \
    Opc = RISCV::PseudoV##NEWOP##_##TYPE##_##LMUL;                             \
    break;

Definition at line 1536 of file RISCVInstrInfo.cpp.

◆ CASE_VFMA_CHANGE_OPCODE_LMULS

#define CASE_VFMA_CHANGE_OPCODE_LMULS	(	OLDOP,
		NEWOP,
		TYPE
	)

Value:

CASE_VFMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, MF8) \

CASE_VFMA_CHANGE_OPCODE_LMULS_MF4(OLDOP, NEWOP, TYPE)

Definition at line 1555 of file RISCVInstrInfo.cpp.

◆ CASE_VFMA_CHANGE_OPCODE_LMULS_M1

#define CASE_VFMA_CHANGE_OPCODE_LMULS_M1	(	OLDOP,
		NEWOP,
		TYPE
	)

Value:

  CASE_VFMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, M1)                       \
  CASE_VFMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, M2)                       \
  CASE_VFMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, M4)                       \
  CASE_VFMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, M8)

Definition at line 1541 of file RISCVInstrInfo.cpp.

◆ CASE_VFMA_CHANGE_OPCODE_LMULS_MF2

#define CASE_VFMA_CHANGE_OPCODE_LMULS_MF2	(	OLDOP,
		NEWOP,
		TYPE
	)

Value:

CASE_VFMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, MF2) \

CASE_VFMA_CHANGE_OPCODE_LMULS_M1(OLDOP, NEWOP, TYPE)

Definition at line 1547 of file RISCVInstrInfo.cpp.

◆ CASE_VFMA_CHANGE_OPCODE_LMULS_MF4

#define CASE_VFMA_CHANGE_OPCODE_LMULS_MF4	(	OLDOP,
		NEWOP,
		TYPE
	)

Value:

CASE_VFMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, MF4) \

CASE_VFMA_CHANGE_OPCODE_LMULS_MF2(OLDOP, NEWOP, TYPE)

Definition at line 1551 of file RISCVInstrInfo.cpp.

◆ CASE_VFMA_CHANGE_OPCODE_SPLATS

#define CASE_VFMA_CHANGE_OPCODE_SPLATS	(	OLDOP,
		NEWOP
	)

Value:

  CASE_VFMA_CHANGE_OPCODE_LMULS_MF4(OLDOP, NEWOP, VF16)                        \
  CASE_VFMA_CHANGE_OPCODE_LMULS_MF2(OLDOP, NEWOP, VF32)                        \
  CASE_VFMA_CHANGE_OPCODE_LMULS_M1(OLDOP, NEWOP, VF64)

Definition at line 1559 of file RISCVInstrInfo.cpp.

◆ CASE_VFMA_OPCODE_COMMON

#define CASE_VFMA_OPCODE_COMMON	(	OP,
		TYPE,
		LMUL
	)	RISCV::PseudoV##OP##_##TYPE##_##LMUL

Definition at line 1395 of file RISCVInstrInfo.cpp.

◆ CASE_VFMA_OPCODE_LMULS

#define CASE_VFMA_OPCODE_LMULS	(	OP,
		TYPE
	)

Value:

CASE_VFMA_OPCODE_COMMON(OP, TYPE, MF8): \

case CASE_VFMA_OPCODE_LMULS_MF4(OP, TYPE)

Definition at line 1412 of file RISCVInstrInfo.cpp.

◆ CASE_VFMA_OPCODE_LMULS_M1

#define CASE_VFMA_OPCODE_LMULS_M1	(	OP,
		TYPE
	)

Value:

  CASE_VFMA_OPCODE_COMMON(OP, TYPE, M1):                                       \
  case CASE_VFMA_OPCODE_COMMON(OP, TYPE, M2):                                  \
  case CASE_VFMA_OPCODE_COMMON(OP, TYPE, M4):                                  \
  case CASE_VFMA_OPCODE_COMMON(OP, TYPE, M8)

Definition at line 1398 of file RISCVInstrInfo.cpp.

◆ CASE_VFMA_OPCODE_LMULS_MF2

#define CASE_VFMA_OPCODE_LMULS_MF2	(	OP,
		TYPE
	)

Value:

CASE_VFMA_OPCODE_COMMON(OP, TYPE, MF2): \

case CASE_VFMA_OPCODE_LMULS_M1(OP, TYPE)

Definition at line 1404 of file RISCVInstrInfo.cpp.

◆ CASE_VFMA_OPCODE_LMULS_MF4

#define CASE_VFMA_OPCODE_LMULS_MF4	(	OP,
		TYPE
	)

Value:

CASE_VFMA_OPCODE_COMMON(OP, TYPE, MF4): \

case CASE_VFMA_OPCODE_LMULS_MF2(OP, TYPE)

Definition at line 1408 of file RISCVInstrInfo.cpp.

◆ CASE_VFMA_SPLATS

#define CASE_VFMA_SPLATS ( OP )

Value:

  CASE_VFMA_OPCODE_LMULS_MF4(OP, VF16):                                        \
  case CASE_VFMA_OPCODE_LMULS_MF2(OP, VF32):                                   \
  case CASE_VFMA_OPCODE_LMULS_M1(OP, VF64)

Definition at line 1416 of file RISCVInstrInfo.cpp.

◆ CASE_WIDEOP_CHANGE_OPCODE_COMMON

#define CASE_WIDEOP_CHANGE_OPCODE_COMMON	(	OP,
		LMUL
	)

Value:

  case RISCV::PseudoV##OP##_##LMUL##_TIED:                                     \
    NewOpc = RISCV::PseudoV##OP##_##LMUL;                                      \
    break;

Definition at line 1684 of file RISCVInstrInfo.cpp.

◆ CASE_WIDEOP_CHANGE_OPCODE_LMULS

#define CASE_WIDEOP_CHANGE_OPCODE_LMULS ( OP )

Value:

CASE_WIDEOP_CHANGE_OPCODE_COMMON(OP, MF8) \

CASE_WIDEOP_CHANGE_OPCODE_LMULS_MF4(OP)

Definition at line 1696 of file RISCVInstrInfo.cpp.

◆ CASE_WIDEOP_CHANGE_OPCODE_LMULS_MF4

#define CASE_WIDEOP_CHANGE_OPCODE_LMULS_MF4 ( OP )

Value:

  CASE_WIDEOP_CHANGE_OPCODE_COMMON(OP, MF4)                                    \
  CASE_WIDEOP_CHANGE_OPCODE_COMMON(OP, MF2)                                    \
  CASE_WIDEOP_CHANGE_OPCODE_COMMON(OP, M1)                                     \
  CASE_WIDEOP_CHANGE_OPCODE_COMMON(OP, M2)                                     \
  CASE_WIDEOP_CHANGE_OPCODE_COMMON(OP, M4)

Definition at line 1689 of file RISCVInstrInfo.cpp.

◆ CASE_WIDEOP_OPCODE_COMMON

#define CASE_WIDEOP_OPCODE_COMMON	(	OP,
		LMUL
	)	RISCV::PseudoV##OP##_##LMUL##_TIED

Definition at line 1669 of file RISCVInstrInfo.cpp.

◆ CASE_WIDEOP_OPCODE_LMULS

#define CASE_WIDEOP_OPCODE_LMULS ( OP )

Value:

CASE_WIDEOP_OPCODE_COMMON(OP, MF8): \

case CASE_WIDEOP_OPCODE_LMULS_MF4(OP)

Definition at line 1679 of file RISCVInstrInfo.cpp.

◆ CASE_WIDEOP_OPCODE_LMULS_MF4

#define CASE_WIDEOP_OPCODE_LMULS_MF4 ( OP )

Value:

  CASE_WIDEOP_OPCODE_COMMON(OP, MF4):                                          \
  case CASE_WIDEOP_OPCODE_COMMON(OP, MF2):                                     \
  case CASE_WIDEOP_OPCODE_COMMON(OP, M1):                                      \
  case CASE_WIDEOP_OPCODE_COMMON(OP, M2):                                      \
  case CASE_WIDEOP_OPCODE_COMMON(OP, M4)

Definition at line 1672 of file RISCVInstrInfo.cpp.

◆ GEN_CHECK_COMPRESS_INSTR

#define GEN_CHECK_COMPRESS_INSTR

Definition at line 34 of file RISCVInstrInfo.cpp.

◆ GET_INSTRINFO_CTOR_DTOR

#define GET_INSTRINFO_CTOR_DTOR

Definition at line 37 of file RISCVInstrInfo.cpp.

◆ GET_INSTRINFO_NAMED_OPS

#define GET_INSTRINFO_NAMED_OPS

Definition at line 38 of file RISCVInstrInfo.cpp.

◆ GET_RISCVVPseudosTable_IMPL

#define GET_RISCVVPseudosTable_IMPL

Definition at line 50 of file RISCVInstrInfo.cpp.

Enumeration Type Documentation

◆ MachineOutlinerConstructionID

enum MachineOutlinerConstructionID

Enumerator
MachineOutlinerDefault

Definition at line 1205 of file RISCVInstrInfo.cpp.

Function Documentation

◆ forwardCopyWillClobberTuple()

static bool forwardCopyWillClobberTuple	(	unsigned	DstReg,
		unsigned	SrcReg,
		unsigned	NumRegs
	)

static

Definition at line 120 of file RISCVInstrInfo.cpp.

◆ getCondFromBranchOpc()

static RISCVCC::CondCode getCondFromBranchOpc ( unsigned Opc )

static

Definition at line 680 of file RISCVInstrInfo.cpp.

References llvm::RISCVCC::COND_EQ, llvm::RISCVCC::COND_GE, llvm::RISCVCC::COND_GEU, llvm::RISCVCC::COND_INVALID, llvm::RISCVCC::COND_LT, llvm::RISCVCC::COND_LTU, and llvm::RISCVCC::COND_NE.

Referenced by parseCondBranch().

◆ isConvertibleToVMV_V_V()

static bool isConvertibleToVMV_V_V	(	const RISCVSubtarget &	STI,
		const MachineBasicBlock &	MBB,
		MachineBasicBlock::const_iterator	MBBI,
		MachineBasicBlock::const_iterator &	DefMBBI,
		RISCVII::VLMUL	LMul
	)

static

Definition at line 125 of file RISCVInstrInfo.cpp.

References assert(), llvm::MachineBasicBlock::begin(), llvm::RISCVSubtarget::getRegisterInfo(), llvm::RISCVVType::getSEW(), llvm::RISCVVType::getVLMUL(), llvm::RISCVII::hasSEWOp(), llvm::RISCVII::isRVVWideningReduction(), llvm::MCRegisterInfo::isSubRegisterEq(), llvm::RISCVVType::isTailAgnostic(), MBB, MBBI, PreferWholeRegisterMove, and TRI.

Referenced by llvm::RISCVInstrInfo::copyPhysReg().

◆ isRVVWholeLoadStore()

static bool isRVVWholeLoadStore ( unsigned Opcode )

static

Definition at line 1849 of file RISCVInstrInfo.cpp.

Referenced by llvm::RISCVInstrInfo::isRVVSpill().

◆ parseCondBranch()

static void parseCondBranch	(	MachineInstr &	LastInst,
		MachineBasicBlock *&	Target,
		SmallVectorImpl< MachineOperand > &	Cond
	)

static

Definition at line 702 of file RISCVInstrInfo.cpp.

References assert(), Cond, llvm::MachineOperand::CreateImm(), getCondFromBranchOpc(), llvm::MachineInstr::getDesc(), llvm::MachineOperand::getMBB(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), and llvm::MCInstrDesc::isConditionalBranch().

Referenced by llvm::RISCVInstrInfo::analyzeBranch().

Variable Documentation

◆ PreferWholeRegisterMove

cl::opt<bool> PreferWholeRegisterMove("riscv-prefer-whole-register-move", cl::init(false), cl::Hidden, cl::desc("Prefer whole register move for vector registers."))

static

Referenced by isConvertibleToVMV_V_V().

Namespaces

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

◆ CASE_VFMA_CHANGE_OPCODE_COMMON

◆ CASE_VFMA_CHANGE_OPCODE_LMULS

◆ CASE_VFMA_CHANGE_OPCODE_LMULS_M1

◆ CASE_VFMA_CHANGE_OPCODE_LMULS_MF2

◆ CASE_VFMA_CHANGE_OPCODE_LMULS_MF4

◆ CASE_VFMA_CHANGE_OPCODE_SPLATS

◆ CASE_VFMA_OPCODE_COMMON

◆ CASE_VFMA_OPCODE_LMULS

◆ CASE_VFMA_OPCODE_LMULS_M1

◆ CASE_VFMA_OPCODE_LMULS_MF2

◆ CASE_VFMA_OPCODE_LMULS_MF4

◆ CASE_VFMA_SPLATS

◆ CASE_WIDEOP_CHANGE_OPCODE_COMMON

◆ CASE_WIDEOP_CHANGE_OPCODE_LMULS

◆ CASE_WIDEOP_CHANGE_OPCODE_LMULS_MF4

◆ CASE_WIDEOP_OPCODE_COMMON

◆ CASE_WIDEOP_OPCODE_LMULS

◆ CASE_WIDEOP_OPCODE_LMULS_MF4

◆ GEN_CHECK_COMPRESS_INSTR

◆ GET_INSTRINFO_CTOR_DTOR

◆ GET_INSTRINFO_NAMED_OPS

◆ GET_RISCVVPseudosTable_IMPL

Enumeration Type Documentation

◆ MachineOutlinerConstructionID

Function Documentation

◆ forwardCopyWillClobberTuple()

◆ getCondFromBranchOpc()

◆ isConvertibleToVMV_V_V()

◆ isRVVWholeLoadStore()

◆ parseCondBranch()

Variable Documentation

◆ PreferWholeRegisterMove