LLVM 20.0.0git
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RISCVInstrInfo.cpp File Reference
#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/Analysis/ValueTracking.h"
#include "llvm/CodeGen/LiveIntervals.h"
#include "llvm/CodeGen/LiveVariables.h"
#include "llvm/CodeGen/MachineCombinerPattern.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/MachineTraceMetrics.h"
#include "llvm/CodeGen/RegisterScavenging.h"
#include "llvm/CodeGen/StackMaps.h"
#include "llvm/IR/DebugInfoMetadata.h"
#include "llvm/IR/Module.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"

Go to the source code of this file.

Namespaces

namespace  llvm
 This is an optimization pass for GlobalISel generic memory operations.
 
namespace  llvm::RISCVVPseudosTable
 
namespace  llvm::RISCV
 

Macros

#define GEN_CHECK_COMPRESS_INSTR
 
#define GET_INSTRINFO_CTOR_DTOR
 
#define GET_INSTRINFO_NAMED_OPS
 
#define GET_RISCVVPseudosTable_IMPL
 
#define GET_RISCVMaskedPseudosTable_IMPL
 
#define OPCODE_LMUL_CASE(OPC)
 
#define OPCODE_LMUL_MASK_CASE(OPC)
 
#define RVV_OPC_LMUL_CASE(OPC, INV)
 
#define RVV_OPC_LMUL_MASK_CASE(OPC, INV)
 
#define CASE_OPERAND_UIMM(NUM)
 
#define CASE_RVV_OPCODE_UNMASK_LMUL(OP, LMUL)    RISCV::Pseudo##OP##_##LMUL
 
#define CASE_RVV_OPCODE_MASK_LMUL(OP, LMUL)    RISCV::Pseudo##OP##_##LMUL##_MASK
 
#define CASE_RVV_OPCODE_LMUL(OP, LMUL)
 
#define CASE_RVV_OPCODE_UNMASK_WIDEN(OP)
 
#define CASE_RVV_OPCODE_UNMASK(OP)
 
#define CASE_RVV_OPCODE_MASK_WIDEN(OP)
 
#define CASE_RVV_OPCODE_MASK(OP)
 
#define CASE_RVV_OPCODE_WIDEN(OP)
 
#define CASE_RVV_OPCODE(OP)
 
#define CASE_VMA_OPCODE_COMMON(OP, TYPE, LMUL)    RISCV::PseudoV##OP##_##TYPE##_##LMUL
 
#define CASE_VMA_OPCODE_LMULS_M1(OP, TYPE)
 
#define CASE_VMA_OPCODE_LMULS_MF2(OP, TYPE)
 
#define CASE_VMA_OPCODE_LMULS_MF4(OP, TYPE)
 
#define CASE_VMA_OPCODE_LMULS(OP, TYPE)
 
#define CASE_VFMA_OPCODE_COMMON(OP, TYPE, LMUL, SEW)    RISCV::PseudoV##OP##_##TYPE##_##LMUL##_##SEW
 
#define CASE_VFMA_OPCODE_LMULS_M1(OP, TYPE, SEW)
 
#define CASE_VFMA_OPCODE_LMULS_MF2(OP, TYPE, SEW)
 
#define CASE_VFMA_OPCODE_LMULS_MF4(OP, TYPE, SEW)
 
#define CASE_VFMA_OPCODE_VV(OP)
 
#define CASE_VFMA_SPLATS(OP)
 
#define CASE_VMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, LMUL)
 
#define CASE_VMA_CHANGE_OPCODE_LMULS_M1(OLDOP, NEWOP, TYPE)
 
#define CASE_VMA_CHANGE_OPCODE_LMULS_MF2(OLDOP, NEWOP, TYPE)
 
#define CASE_VMA_CHANGE_OPCODE_LMULS_MF4(OLDOP, NEWOP, TYPE)
 
#define CASE_VMA_CHANGE_OPCODE_LMULS(OLDOP, NEWOP, TYPE)
 
#define CASE_VMA_CHANGE_OPCODE_SPLATS(OLDOP, NEWOP)
 
#define CASE_VFMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, LMUL, SEW)
 
#define CASE_VFMA_CHANGE_OPCODE_LMULS_M1(OLDOP, NEWOP, TYPE, SEW)
 
#define CASE_VFMA_CHANGE_OPCODE_LMULS_MF2(OLDOP, NEWOP, TYPE, SEW)
 
#define CASE_VFMA_CHANGE_OPCODE_VV(OLDOP, NEWOP)
 
#define CASE_VFMA_CHANGE_OPCODE_LMULS_MF4(OLDOP, NEWOP, TYPE, SEW)
 
#define CASE_VFMA_CHANGE_OPCODE_LMULS(OLDOP, NEWOP, TYPE, SEW)
 
#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)
 
#define CASE_FP_WIDEOP_OPCODE_COMMON(OP, LMUL, SEW)    RISCV::PseudoV##OP##_##LMUL##_##SEW##_TIED
 
#define CASE_FP_WIDEOP_OPCODE_LMULS_MF4(OP)
 
#define CASE_FP_WIDEOP_CHANGE_OPCODE_COMMON(OP, LMUL, SEW)
 
#define CASE_FP_WIDEOP_CHANGE_OPCODE_LMULS_MF4(OP)
 
#define CASE_FP_WIDEOP_CHANGE_OPCODE_LMULS(OP)    CASE_FP_WIDEOP_CHANGE_OPCODE_LMULS_MF4(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)
 
unsigned getPredicatedOpcode (unsigned Opcode)
 
static MachineInstr * canFoldAsPredicatedOp (Register Reg, const MachineRegisterInfo &MRI, const TargetInstrInfo *TII)
 Identify instructions that can be folded into a CCMOV instruction, and return the defining instruction.
 
static bool isFADD (unsigned Opc)
 
static bool isFSUB (unsigned Opc)
 
static bool isFMUL (unsigned Opc)
 
static bool canCombineFPFusedMultiply (const MachineInstr &Root, const MachineOperand &MO, bool DoRegPressureReduce)
 
static bool getFPFusedMultiplyPatterns (MachineInstr &Root, SmallVectorImpl< unsigned > &Patterns, bool DoRegPressureReduce)
 
static bool getFPPatterns (MachineInstr &Root, SmallVectorImpl< unsigned > &Patterns, bool DoRegPressureReduce)
 
static const MachineInstr * canCombine (const MachineBasicBlock &MBB, const MachineOperand &MO, unsigned CombineOpc)
 Utility routine that checks if.
 
static bool canCombineShiftIntoShXAdd (const MachineBasicBlock &MBB, const MachineOperand &MO, unsigned OuterShiftAmt)
 Utility routine that checks if.
 
static unsigned getSHXADDShiftAmount (unsigned Opc)
 
static bool getSHXADDPatterns (const MachineInstr &Root, SmallVectorImpl< unsigned > &Patterns)
 
static unsigned getFPFusedMultiplyOpcode (unsigned RootOpc, unsigned Pattern)
 
static unsigned getAddendOperandIdx (unsigned Pattern)
 
static void combineFPFusedMultiply (MachineInstr &Root, MachineInstr &Prev, unsigned Pattern, SmallVectorImpl< MachineInstr * > &InsInstrs, SmallVectorImpl< MachineInstr * > &DelInstrs)
 
static void genShXAddAddShift (MachineInstr &Root, unsigned AddOpIdx, SmallVectorImpl< MachineInstr * > &InsInstrs, SmallVectorImpl< MachineInstr * > &DelInstrs, DenseMap< unsigned, unsigned > &InstrIdxForVirtReg)
 
static bool memOpsHaveSameBasePtr (const MachineInstr &MI1, ArrayRef< const MachineOperand * > BaseOps1, const MachineInstr &MI2, ArrayRef< const MachineOperand * > BaseOps2)
 
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."))
 
static cl::opt< MachineTraceStrategy > ForceMachineCombinerStrategy ("riscv-force-machine-combiner-strategy", cl::Hidden, cl::desc("Force machine combiner to use a specific strategy for machine " "trace metrics evaluation."), cl::init(MachineTraceStrategy::TS_NumStrategies), cl::values(clEnumValN(MachineTraceStrategy::TS_Local, "local", "Local strategy."), clEnumValN(MachineTraceStrategy::TS_MinInstrCount, "min-instr", "MinInstrCount strategy.")))
 

Macro Definition Documentation

◆ CASE_FP_WIDEOP_CHANGE_OPCODE_COMMON

#define CASE_FP_WIDEOP_CHANGE_OPCODE_COMMON (   OP,
  LMUL,
  SEW 
)
Value:
case RISCV::PseudoV##OP##_##LMUL##_##SEW##_TIED: \
NewOpc = RISCV::PseudoV##OP##_##LMUL##_##SEW; \
break;
_
#define _
Definition: HexagonMCCodeEmitter.cpp:47
OP
#define OP(OPC)
Definition: SandboxIR.h:653

Definition at line 3521 of file RISCVInstrInfo.cpp.

◆ CASE_FP_WIDEOP_CHANGE_OPCODE_LMULS

#define CASE_FP_WIDEOP_CHANGE_OPCODE_LMULS (   OP)     CASE_FP_WIDEOP_CHANGE_OPCODE_LMULS_MF4(OP)

Definition at line 3537 of file RISCVInstrInfo.cpp.

◆ CASE_FP_WIDEOP_CHANGE_OPCODE_LMULS_MF4

#define CASE_FP_WIDEOP_CHANGE_OPCODE_LMULS_MF4 (   OP)
Value:
CASE_FP_WIDEOP_CHANGE_OPCODE_COMMON(OP, MF4, E16) \
CASE_FP_WIDEOP_CHANGE_OPCODE_COMMON(OP, MF2, E16) \
CASE_FP_WIDEOP_CHANGE_OPCODE_COMMON(OP, MF2, E32) \
CASE_FP_WIDEOP_CHANGE_OPCODE_COMMON(OP, M1, E16) \
CASE_FP_WIDEOP_CHANGE_OPCODE_COMMON(OP, M1, E32) \
CASE_FP_WIDEOP_CHANGE_OPCODE_COMMON(OP, M2, E16) \
CASE_FP_WIDEOP_CHANGE_OPCODE_COMMON(OP, M2, E32) \
CASE_FP_WIDEOP_CHANGE_OPCODE_COMMON(OP, M4, E16) \
CASE_FP_WIDEOP_CHANGE_OPCODE_COMMON(OP, M4, E32) \
CASE_FP_WIDEOP_CHANGE_OPCODE_COMMON
#define CASE_FP_WIDEOP_CHANGE_OPCODE_COMMON(OP, LMUL, SEW)
Definition: RISCVInstrInfo.cpp:3521
llvm::M1
unsigned M1(unsigned Val)
Definition: VE.h:376

Definition at line 3526 of file RISCVInstrInfo.cpp.

◆ CASE_FP_WIDEOP_OPCODE_COMMON

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

Definition at line 3507 of file RISCVInstrInfo.cpp.

◆ CASE_FP_WIDEOP_OPCODE_LMULS_MF4

#define CASE_FP_WIDEOP_OPCODE_LMULS_MF4 (   OP)
Value:
CASE_FP_WIDEOP_OPCODE_COMMON(OP, MF4, E16): \
case CASE_FP_WIDEOP_OPCODE_COMMON(OP, MF2, E16): \
case CASE_FP_WIDEOP_OPCODE_COMMON(OP, MF2, E32): \
case CASE_FP_WIDEOP_OPCODE_COMMON(OP, M1, E16): \
case CASE_FP_WIDEOP_OPCODE_COMMON(OP, M1, E32): \
case CASE_FP_WIDEOP_OPCODE_COMMON(OP, M2, E16): \
case CASE_FP_WIDEOP_OPCODE_COMMON(OP, M2, E32): \
case CASE_FP_WIDEOP_OPCODE_COMMON(OP, M4, E16): \
case CASE_FP_WIDEOP_OPCODE_COMMON(OP, M4, E32) \
CASE_FP_WIDEOP_OPCODE_COMMON
#define CASE_FP_WIDEOP_OPCODE_COMMON(OP, LMUL, SEW)
Definition: RISCVInstrInfo.cpp:3507

Definition at line 3510 of file RISCVInstrInfo.cpp.

◆ CASE_OPERAND_UIMM

#define CASE_OPERAND_UIMM (   NUM)
Value:
case RISCVOp::OPERAND_UIMM##NUM: \
Ok = isUInt<NUM>(Imm); \
break;

◆ CASE_RVV_OPCODE

#define CASE_RVV_OPCODE (   OP)
Value:
CASE_RVV_OPCODE_UNMASK(OP): \
case CASE_RVV_OPCODE_MASK(OP)
CASE_RVV_OPCODE_UNMASK
#define CASE_RVV_OPCODE_UNMASK(OP)
Definition: RISCVInstrInfo.cpp:3037
CASE_RVV_OPCODE_MASK
#define CASE_RVV_OPCODE_MASK(OP)
Definition: RISCVInstrInfo.cpp:3049

Definition at line 3057 of file RISCVInstrInfo.cpp.

◆ CASE_RVV_OPCODE_LMUL

#define CASE_RVV_OPCODE_LMUL (   OP,
  LMUL 
)
Value:
CASE_RVV_OPCODE_UNMASK_LMUL(OP, LMUL): \
case CASE_RVV_OPCODE_MASK_LMUL(OP, LMUL)
CASE_RVV_OPCODE_UNMASK_LMUL
#define CASE_RVV_OPCODE_UNMASK_LMUL(OP, LMUL)
Definition: RISCVInstrInfo.cpp:3019
CASE_RVV_OPCODE_MASK_LMUL
#define CASE_RVV_OPCODE_MASK_LMUL(OP, LMUL)
Definition: RISCVInstrInfo.cpp:3022

Definition at line 3025 of file RISCVInstrInfo.cpp.

◆ CASE_RVV_OPCODE_MASK

#define CASE_RVV_OPCODE_MASK (   OP)
Value:
CASE_RVV_OPCODE_MASK_WIDEN(OP): \
case CASE_RVV_OPCODE_MASK_LMUL(OP, M8)
CASE_RVV_OPCODE_MASK_WIDEN
#define CASE_RVV_OPCODE_MASK_WIDEN(OP)
Definition: RISCVInstrInfo.cpp:3041

Definition at line 3049 of file RISCVInstrInfo.cpp.

◆ CASE_RVV_OPCODE_MASK_LMUL

#define CASE_RVV_OPCODE_MASK_LMUL (   OP,
  LMUL 
)     RISCV::Pseudo##OP##_##LMUL##_MASK

Definition at line 3022 of file RISCVInstrInfo.cpp.

◆ CASE_RVV_OPCODE_MASK_WIDEN

#define CASE_RVV_OPCODE_MASK_WIDEN (   OP)
Value:
CASE_RVV_OPCODE_MASK_LMUL(OP, MF8): \
case CASE_RVV_OPCODE_MASK_LMUL(OP, MF4): \
case CASE_RVV_OPCODE_MASK_LMUL(OP, MF2): \
case CASE_RVV_OPCODE_MASK_LMUL(OP, M1): \
case CASE_RVV_OPCODE_MASK_LMUL(OP, M2): \
case CASE_RVV_OPCODE_MASK_LMUL(OP, M4)

Definition at line 3041 of file RISCVInstrInfo.cpp.

◆ CASE_RVV_OPCODE_UNMASK

#define CASE_RVV_OPCODE_UNMASK (   OP)
Value:
CASE_RVV_OPCODE_UNMASK_WIDEN(OP): \
case CASE_RVV_OPCODE_UNMASK_LMUL(OP, M8)
CASE_RVV_OPCODE_UNMASK_WIDEN
#define CASE_RVV_OPCODE_UNMASK_WIDEN(OP)
Definition: RISCVInstrInfo.cpp:3029

Definition at line 3037 of file RISCVInstrInfo.cpp.

◆ CASE_RVV_OPCODE_UNMASK_LMUL

#define CASE_RVV_OPCODE_UNMASK_LMUL (   OP,
  LMUL 
)     RISCV::Pseudo##OP##_##LMUL

Definition at line 3019 of file RISCVInstrInfo.cpp.

◆ CASE_RVV_OPCODE_UNMASK_WIDEN

#define CASE_RVV_OPCODE_UNMASK_WIDEN (   OP)
Value:
CASE_RVV_OPCODE_UNMASK_LMUL(OP, MF8): \
case CASE_RVV_OPCODE_UNMASK_LMUL(OP, MF4): \
case CASE_RVV_OPCODE_UNMASK_LMUL(OP, MF2): \
case CASE_RVV_OPCODE_UNMASK_LMUL(OP, M1): \
case CASE_RVV_OPCODE_UNMASK_LMUL(OP, M2): \
case CASE_RVV_OPCODE_UNMASK_LMUL(OP, M4)

Definition at line 3029 of file RISCVInstrInfo.cpp.

◆ CASE_RVV_OPCODE_WIDEN

#define CASE_RVV_OPCODE_WIDEN (   OP)
Value:
CASE_RVV_OPCODE_UNMASK_WIDEN(OP): \
case CASE_RVV_OPCODE_MASK_WIDEN(OP)

Definition at line 3053 of file RISCVInstrInfo.cpp.

◆ CASE_VFMA_CHANGE_OPCODE_COMMON

#define CASE_VFMA_CHANGE_OPCODE_COMMON (   OLDOP,
  NEWOP,
  TYPE,
  LMUL,
  SEW 
)
Value:
case RISCV::PseudoV##OLDOP##_##TYPE##_##LMUL##_##SEW: \
Opc = RISCV::PseudoV##NEWOP##_##TYPE##_##LMUL##_##SEW; \
break;

Definition at line 3305 of file RISCVInstrInfo.cpp.

◆ CASE_VFMA_CHANGE_OPCODE_LMULS

#define CASE_VFMA_CHANGE_OPCODE_LMULS (   OLDOP,
  NEWOP,
  TYPE,
  SEW 
)
Value:
CASE_VFMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, MF8, SEW) \
CASE_VFMA_CHANGE_OPCODE_LMULS_MF4(OLDOP, NEWOP, TYPE, SEW)
CASE_VFMA_CHANGE_OPCODE_COMMON
#define CASE_VFMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, LMUL, SEW)
Definition: RISCVInstrInfo.cpp:3305

Definition at line 3329 of file RISCVInstrInfo.cpp.

◆ CASE_VFMA_CHANGE_OPCODE_LMULS_M1

#define CASE_VFMA_CHANGE_OPCODE_LMULS_M1 (   OLDOP,
  NEWOP,
  TYPE,
  SEW 
)
Value:
CASE_VFMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, M1, SEW) \
CASE_VFMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, M2, SEW) \
CASE_VFMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, M4, SEW) \
CASE_VFMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, M8, SEW)

Definition at line 3310 of file RISCVInstrInfo.cpp.

◆ CASE_VFMA_CHANGE_OPCODE_LMULS_MF2

#define CASE_VFMA_CHANGE_OPCODE_LMULS_MF2 (   OLDOP,
  NEWOP,
  TYPE,
  SEW 
)
Value:
CASE_VFMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, MF2, SEW) \
CASE_VFMA_CHANGE_OPCODE_LMULS_M1(OLDOP, NEWOP, TYPE, SEW)

Definition at line 3316 of file RISCVInstrInfo.cpp.

◆ CASE_VFMA_CHANGE_OPCODE_LMULS_MF4

#define CASE_VFMA_CHANGE_OPCODE_LMULS_MF4 (   OLDOP,
  NEWOP,
  TYPE,
  SEW 
)
Value:
CASE_VFMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, MF4, SEW) \
CASE_VFMA_CHANGE_OPCODE_LMULS_MF2(OLDOP, NEWOP, TYPE, SEW)

Definition at line 3325 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, VFPR16, E16) \
CASE_VFMA_CHANGE_OPCODE_LMULS_MF2(OLDOP, NEWOP, VFPR32, E32) \
CASE_VFMA_CHANGE_OPCODE_LMULS_M1(OLDOP, NEWOP, VFPR64, E64)
CASE_VFMA_CHANGE_OPCODE_LMULS_MF4
#define CASE_VFMA_CHANGE_OPCODE_LMULS_MF4(OLDOP, NEWOP, TYPE, SEW)
Definition: RISCVInstrInfo.cpp:3325

Definition at line 3333 of file RISCVInstrInfo.cpp.

◆ CASE_VFMA_CHANGE_OPCODE_VV

#define CASE_VFMA_CHANGE_OPCODE_VV (   OLDOP,
  NEWOP 
)
Value:
CASE_VFMA_CHANGE_OPCODE_LMULS_MF4(OLDOP, NEWOP, VV, E16) \
CASE_VFMA_CHANGE_OPCODE_LMULS_MF2(OLDOP, NEWOP, VV, E32) \
CASE_VFMA_CHANGE_OPCODE_LMULS_M1(OLDOP, NEWOP, VV, E64)

Definition at line 3320 of file RISCVInstrInfo.cpp.

◆ CASE_VFMA_OPCODE_COMMON

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

Definition at line 3085 of file RISCVInstrInfo.cpp.

◆ CASE_VFMA_OPCODE_LMULS_M1

#define CASE_VFMA_OPCODE_LMULS_M1 (   OP,
  TYPE,
  SEW 
)
Value:
CASE_VFMA_OPCODE_COMMON(OP, TYPE, M1, SEW): \
case CASE_VFMA_OPCODE_COMMON(OP, TYPE, M2, SEW): \
case CASE_VFMA_OPCODE_COMMON(OP, TYPE, M4, SEW): \
case CASE_VFMA_OPCODE_COMMON(OP, TYPE, M8, SEW)
CASE_VFMA_OPCODE_COMMON
#define CASE_VFMA_OPCODE_COMMON(OP, TYPE, LMUL, SEW)
Definition: RISCVInstrInfo.cpp:3085

Definition at line 3088 of file RISCVInstrInfo.cpp.

◆ CASE_VFMA_OPCODE_LMULS_MF2

#define CASE_VFMA_OPCODE_LMULS_MF2 (   OP,
  TYPE,
  SEW 
)
Value:
CASE_VFMA_OPCODE_COMMON(OP, TYPE, MF2, SEW): \
case CASE_VFMA_OPCODE_LMULS_M1(OP, TYPE, SEW)
CASE_VFMA_OPCODE_LMULS_M1
#define CASE_VFMA_OPCODE_LMULS_M1(OP, TYPE, SEW)
Definition: RISCVInstrInfo.cpp:3088

Definition at line 3094 of file RISCVInstrInfo.cpp.

◆ CASE_VFMA_OPCODE_LMULS_MF4

#define CASE_VFMA_OPCODE_LMULS_MF4 (   OP,
  TYPE,
  SEW 
)
Value:
CASE_VFMA_OPCODE_COMMON(OP, TYPE, MF4, SEW): \
case CASE_VFMA_OPCODE_LMULS_MF2(OP, TYPE, SEW)
CASE_VFMA_OPCODE_LMULS_MF2
#define CASE_VFMA_OPCODE_LMULS_MF2(OP, TYPE, SEW)
Definition: RISCVInstrInfo.cpp:3094

Definition at line 3098 of file RISCVInstrInfo.cpp.

◆ CASE_VFMA_OPCODE_VV

#define CASE_VFMA_OPCODE_VV (   OP)
Value:
CASE_VFMA_OPCODE_LMULS_MF4(OP, VV, E16): \
case CASE_VFMA_OPCODE_LMULS_MF2(OP, VV, E32): \
case CASE_VFMA_OPCODE_LMULS_M1(OP, VV, E64)
CASE_VFMA_OPCODE_LMULS_MF4
#define CASE_VFMA_OPCODE_LMULS_MF4(OP, TYPE, SEW)
Definition: RISCVInstrInfo.cpp:3098

Definition at line 3102 of file RISCVInstrInfo.cpp.

◆ CASE_VFMA_SPLATS

#define CASE_VFMA_SPLATS (   OP)
Value:
CASE_VFMA_OPCODE_LMULS_MF4(OP, VFPR16, E16): \
case CASE_VFMA_OPCODE_LMULS_MF2(OP, VFPR32, E32): \
case CASE_VFMA_OPCODE_LMULS_M1(OP, VFPR64, E64)

Definition at line 3107 of file RISCVInstrInfo.cpp.

◆ CASE_VMA_CHANGE_OPCODE_COMMON

#define CASE_VMA_CHANGE_OPCODE_COMMON (   OLDOP,
  NEWOP,
  TYPE,
  LMUL 
)
Value:
case RISCV::PseudoV##OLDOP##_##TYPE##_##LMUL: \
Opc = RISCV::PseudoV##NEWOP##_##TYPE##_##LMUL; \
break;

Definition at line 3276 of file RISCVInstrInfo.cpp.

◆ CASE_VMA_CHANGE_OPCODE_LMULS

#define CASE_VMA_CHANGE_OPCODE_LMULS (   OLDOP,
  NEWOP,
  TYPE 
)
Value:
CASE_VMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, MF8) \
CASE_VMA_CHANGE_OPCODE_LMULS_MF4(OLDOP, NEWOP, TYPE)
CASE_VMA_CHANGE_OPCODE_COMMON
#define CASE_VMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, LMUL)
Definition: RISCVInstrInfo.cpp:3276

Definition at line 3295 of file RISCVInstrInfo.cpp.

◆ CASE_VMA_CHANGE_OPCODE_LMULS_M1

#define CASE_VMA_CHANGE_OPCODE_LMULS_M1 (   OLDOP,
  NEWOP,
  TYPE 
)
Value:
CASE_VMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, M1) \
CASE_VMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, M2) \
CASE_VMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, M4) \
CASE_VMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, M8)

Definition at line 3281 of file RISCVInstrInfo.cpp.

◆ CASE_VMA_CHANGE_OPCODE_LMULS_MF2

#define CASE_VMA_CHANGE_OPCODE_LMULS_MF2 (   OLDOP,
  NEWOP,
  TYPE 
)
Value:
CASE_VMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, MF2) \
CASE_VMA_CHANGE_OPCODE_LMULS_M1(OLDOP, NEWOP, TYPE)

Definition at line 3287 of file RISCVInstrInfo.cpp.

◆ CASE_VMA_CHANGE_OPCODE_LMULS_MF4

#define CASE_VMA_CHANGE_OPCODE_LMULS_MF4 (   OLDOP,
  NEWOP,
  TYPE 
)
Value:
CASE_VMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, MF4) \
CASE_VMA_CHANGE_OPCODE_LMULS_MF2(OLDOP, NEWOP, TYPE)

Definition at line 3291 of file RISCVInstrInfo.cpp.

◆ CASE_VMA_CHANGE_OPCODE_SPLATS

#define CASE_VMA_CHANGE_OPCODE_SPLATS (   OLDOP,
  NEWOP 
)
Value:
CASE_VMA_CHANGE_OPCODE_LMULS_MF4(OLDOP, NEWOP, VFPR16) \
CASE_VMA_CHANGE_OPCODE_LMULS_MF2(OLDOP, NEWOP, VFPR32) \
CASE_VMA_CHANGE_OPCODE_LMULS_M1(OLDOP, NEWOP, VFPR64)
CASE_VMA_CHANGE_OPCODE_LMULS_MF4
#define CASE_VMA_CHANGE_OPCODE_LMULS_MF4(OLDOP, NEWOP, TYPE)
Definition: RISCVInstrInfo.cpp:3291

Definition at line 3299 of file RISCVInstrInfo.cpp.

◆ CASE_VMA_OPCODE_COMMON

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

Definition at line 3063 of file RISCVInstrInfo.cpp.

◆ CASE_VMA_OPCODE_LMULS

#define CASE_VMA_OPCODE_LMULS (   OP,
  TYPE 
)
Value:
CASE_VMA_OPCODE_COMMON(OP, TYPE, MF8): \
case CASE_VMA_OPCODE_LMULS_MF4(OP, TYPE)
CASE_VMA_OPCODE_LMULS_MF4
#define CASE_VMA_OPCODE_LMULS_MF4(OP, TYPE)
Definition: RISCVInstrInfo.cpp:3076
CASE_VMA_OPCODE_COMMON
#define CASE_VMA_OPCODE_COMMON(OP, TYPE, LMUL)
Definition: RISCVInstrInfo.cpp:3063

Definition at line 3080 of file RISCVInstrInfo.cpp.

◆ CASE_VMA_OPCODE_LMULS_M1

#define CASE_VMA_OPCODE_LMULS_M1 (   OP,
  TYPE 
)
Value:
CASE_VMA_OPCODE_COMMON(OP, TYPE, M1): \
case CASE_VMA_OPCODE_COMMON(OP, TYPE, M2): \
case CASE_VMA_OPCODE_COMMON(OP, TYPE, M4): \
case CASE_VMA_OPCODE_COMMON(OP, TYPE, M8)

Definition at line 3066 of file RISCVInstrInfo.cpp.

◆ CASE_VMA_OPCODE_LMULS_MF2

#define CASE_VMA_OPCODE_LMULS_MF2 (   OP,
  TYPE 
)
Value:
CASE_VMA_OPCODE_COMMON(OP, TYPE, MF2): \
case CASE_VMA_OPCODE_LMULS_M1(OP, TYPE)
CASE_VMA_OPCODE_LMULS_M1
#define CASE_VMA_OPCODE_LMULS_M1(OP, TYPE)
Definition: RISCVInstrInfo.cpp:3066

Definition at line 3072 of file RISCVInstrInfo.cpp.

◆ CASE_VMA_OPCODE_LMULS_MF4

#define CASE_VMA_OPCODE_LMULS_MF4 (   OP,
  TYPE 
)
Value:
CASE_VMA_OPCODE_COMMON(OP, TYPE, MF4): \
case CASE_VMA_OPCODE_LMULS_MF2(OP, TYPE)
CASE_VMA_OPCODE_LMULS_MF2
#define CASE_VMA_OPCODE_LMULS_MF2(OP, TYPE)
Definition: RISCVInstrInfo.cpp:3072

Definition at line 3076 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 3490 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)
CASE_WIDEOP_CHANGE_OPCODE_COMMON
#define CASE_WIDEOP_CHANGE_OPCODE_COMMON(OP, LMUL)
Definition: RISCVInstrInfo.cpp:3490

Definition at line 3502 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 3495 of file RISCVInstrInfo.cpp.

◆ CASE_WIDEOP_OPCODE_COMMON

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

Definition at line 3476 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)
CASE_WIDEOP_OPCODE_COMMON
#define CASE_WIDEOP_OPCODE_COMMON(OP, LMUL)
Definition: RISCVInstrInfo.cpp:3476
CASE_WIDEOP_OPCODE_LMULS_MF4
#define CASE_WIDEOP_OPCODE_LMULS_MF4(OP)
Definition: RISCVInstrInfo.cpp:3479

Definition at line 3486 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 3479 of file RISCVInstrInfo.cpp.

◆ GEN_CHECK_COMPRESS_INSTR

#define GEN_CHECK_COMPRESS_INSTR

Definition at line 40 of file RISCVInstrInfo.cpp.

◆ GET_INSTRINFO_CTOR_DTOR

#define GET_INSTRINFO_CTOR_DTOR

Definition at line 43 of file RISCVInstrInfo.cpp.

◆ GET_INSTRINFO_NAMED_OPS

#define GET_INSTRINFO_NAMED_OPS

Definition at line 44 of file RISCVInstrInfo.cpp.

◆ GET_RISCVMaskedPseudosTable_IMPL

#define GET_RISCVMaskedPseudosTable_IMPL

Definition at line 72 of file RISCVInstrInfo.cpp.

◆ GET_RISCVVPseudosTable_IMPL

#define GET_RISCVVPseudosTable_IMPL

Definition at line 65 of file RISCVInstrInfo.cpp.

◆ OPCODE_LMUL_CASE

#define OPCODE_LMUL_CASE (   OPC)
Value:
case RISCV::OPC##_M1: \
case RISCV::OPC##_M2: \
case RISCV::OPC##_M4: \
case RISCV::OPC##_M8: \
case RISCV::OPC##_MF2: \
case RISCV::OPC##_MF4: \
case RISCV::OPC##_MF8

◆ OPCODE_LMUL_MASK_CASE

#define OPCODE_LMUL_MASK_CASE (   OPC)
Value:
case RISCV::OPC##_M1_MASK: \
case RISCV::OPC##_M2_MASK: \
case RISCV::OPC##_M4_MASK: \
case RISCV::OPC##_M8_MASK: \
case RISCV::OPC##_MF2_MASK: \
case RISCV::OPC##_MF4_MASK: \
case RISCV::OPC##_MF8_MASK

◆ RVV_OPC_LMUL_CASE

#define RVV_OPC_LMUL_CASE (   OPC,
  INV 
)
Value:
case RISCV::OPC##_M1: \
return RISCV::INV##_M1; \
case RISCV::OPC##_M2: \
return RISCV::INV##_M2; \
case RISCV::OPC##_M4: \
return RISCV::INV##_M4; \
case RISCV::OPC##_M8: \
return RISCV::INV##_M8; \
case RISCV::OPC##_MF2: \
return RISCV::INV##_MF2; \
case RISCV::OPC##_MF4: \
return RISCV::INV##_MF4; \
case RISCV::OPC##_MF8: \
return RISCV::INV##_MF8

◆ RVV_OPC_LMUL_MASK_CASE

#define RVV_OPC_LMUL_MASK_CASE (   OPC,
  INV 
)
Value:
case RISCV::OPC##_M1_MASK: \
return RISCV::INV##_M1_MASK; \
case RISCV::OPC##_M2_MASK: \
return RISCV::INV##_M2_MASK; \
case RISCV::OPC##_M4_MASK: \
return RISCV::INV##_M4_MASK; \
case RISCV::OPC##_M8_MASK: \
return RISCV::INV##_M8_MASK; \
case RISCV::OPC##_MF2_MASK: \
return RISCV::INV##_MF2_MASK; \
case RISCV::OPC##_MF4_MASK: \
return RISCV::INV##_MF4_MASK; \
case RISCV::OPC##_MF8_MASK: \
return RISCV::INV##_MF8_MASK

Enumeration Type Documentation

◆ MachineOutlinerConstructionID

enum MachineOutlinerConstructionID
Enumerator
MachineOutlinerDefault 

Definition at line 2822 of file RISCVInstrInfo.cpp.

Function Documentation

◆ canCombine()

static const MachineInstr * canCombine ( const MachineBasicBlock &  MBB,
const MachineOperand &  MO,
unsigned  CombineOpc 
)
static

Utility routine that checks if.

Parameters
MOis defined by an
CombineOpcinstruction in the basic block
MBB

Definition at line 2078 of file RISCVInstrInfo.cpp.

References llvm::MachineBasicBlock::getParent(), llvm::MachineOperand::getReg(), llvm::MachineFunction::getRegInfo(), llvm::MachineOperand::isReg(), llvm::Register::isVirtual(), MBB, MI, and MRI.

◆ canCombineFPFusedMultiply()

static bool canCombineFPFusedMultiply ( const MachineInstr &  Root,
const MachineOperand &  MO,
bool  DoRegPressureReduce 
)
static

Definition at line 2020 of file RISCVInstrInfo.cpp.

References llvm::MachineInstr::FmContract, llvm::MachineInstr::getFlag(), llvm::MachineInstr::getMF(), llvm::MachineInstr::getParent(), llvm::MachineOperand::getReg(), llvm::MachineFunction::getRegInfo(), llvm::RISCV::hasEqualFRM(), isFMUL(), llvm::MachineOperand::isReg(), llvm::Register::isVirtual(), MI, and MRI.

Referenced by getFPFusedMultiplyPatterns().

◆ canCombineShiftIntoShXAdd()

static bool canCombineShiftIntoShXAdd ( const MachineBasicBlock &  MBB,
const MachineOperand &  MO,
unsigned  OuterShiftAmt 
)
static

Utility routine that checks if.

Parameters
MOis defined by a SLLI in
MBBthat can be combined by splitting across 2 SHXADD instructions. The first SHXADD shift amount is given by
OuterShiftAmt.

Definition at line 2099 of file RISCVInstrInfo.cpp.

References canCombine(), llvm::MachineOperand::getImm(), llvm::MachineInstr::getOperand(), and MBB.

Referenced by getSHXADDPatterns().

◆ canFoldAsPredicatedOp()

static MachineInstr * canFoldAsPredicatedOp ( Register  Reg,
const MachineRegisterInfo &  MRI,
const TargetInstrInfo *  TII 
)
static

Identify instructions that can be folded into a CCMOV instruction, and return the defining instruction.

Definition at line 1334 of file RISCVInstrInfo.cpp.

References llvm::drop_begin(), getPredicatedOpcode(), MI, and MRI.

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

◆ combineFPFusedMultiply()

static void combineFPFusedMultiply ( MachineInstr &  Root,
MachineInstr &  Prev,
unsigned  Pattern,
SmallVectorImpl< MachineInstr * > &  InsInstrs,
SmallVectorImpl< MachineInstr * > &  DelInstrs 
)
static

Definition at line 2216 of file RISCVInstrInfo.cpp.

References llvm::MachineInstrBuilder::addReg(), llvm::BuildMI(), getAddendOperandIdx(), llvm::MachineInstr::getDebugLoc(), llvm::MachineInstr::getFlags(), getFPFusedMultiplyOpcode(), llvm::TargetSubtargetInfo::getInstrInfo(), llvm::getKillRegState(), llvm::DILocation::getMergedLocation(), llvm::MachineInstr::getMF(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), llvm::MachineFunction::getRegInfo(), llvm::MachineFunction::getSubtarget(), llvm::MachineOperand::isKill(), MRI, llvm::SmallVectorTemplateBase< T, bool >::push_back(), llvm::MachineInstrBuilder::setMIFlags(), and TII.

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

◆ forwardCopyWillClobberTuple()

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

Definition at line 181 of file RISCVInstrInfo.cpp.

◆ genShXAddAddShift()

static void genShXAddAddShift ( MachineInstr &  Root,
unsigned  AddOpIdx,
SmallVectorImpl< MachineInstr * > &  InsInstrs,
SmallVectorImpl< MachineInstr * > &  DelInstrs,
DenseMap< unsigned, unsigned > &  InstrIdxForVirtReg 
)
static

Definition at line 2262 of file RISCVInstrInfo.cpp.

References llvm::MachineInstrBuilder::addReg(), assert(), llvm::BuildMI(), llvm::MachineOperand::getImm(), llvm::TargetSubtargetInfo::getInstrInfo(), llvm::getKillRegState(), llvm::MachineInstr::getMF(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), llvm::MachineFunction::getRegInfo(), getSHXADDShiftAmount(), llvm::MachineFunction::getSubtarget(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::insert(), llvm::RegState::Kill, llvm_unreachable, MRI, llvm::SmallVectorTemplateBase< T, bool >::push_back(), TII, X, and Y.

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

◆ getAddendOperandIdx()

static unsigned getAddendOperandIdx ( unsigned  Pattern)
static

Definition at line 2203 of file RISCVInstrInfo.cpp.

References llvm::FMADD_AX, llvm::FMADD_XA, llvm::FMSUB, llvm::FNMSUB, and llvm_unreachable.

Referenced by combineFPFusedMultiply().

◆ getCondFromBranchOpc()

static RISCVCC::CondCode getCondFromBranchOpc ( unsigned  Opc)
static

Definition at line 845 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.

◆ getFPFusedMultiplyOpcode()

static unsigned getFPFusedMultiplyOpcode ( unsigned  RootOpc,
unsigned  Pattern 
)
static

Definition at line 2181 of file RISCVInstrInfo.cpp.

References llvm::FMSUB, and llvm_unreachable.

Referenced by combineFPFusedMultiply().

◆ getFPFusedMultiplyPatterns()

static bool getFPFusedMultiplyPatterns ( MachineInstr &  Root,
SmallVectorImpl< unsigned > &  Patterns,
bool  DoRegPressureReduce 
)
static

Definition at line 2047 of file RISCVInstrInfo.cpp.

References canCombineFPFusedMultiply(), llvm::FMADD_AX, llvm::FMADD_XA, llvm::FMSUB, llvm::FNMSUB, llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), isFADD(), isFSUB(), and llvm::SmallVectorTemplateBase< T, bool >::push_back().

Referenced by getFPPatterns().

◆ getFPPatterns()

static bool getFPPatterns ( MachineInstr &  Root,
SmallVectorImpl< unsigned > &  Patterns,
bool  DoRegPressureReduce 
)
static

Definition at line 2070 of file RISCVInstrInfo.cpp.

References getFPFusedMultiplyPatterns().

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

◆ getPredicatedOpcode()

unsigned getPredicatedOpcode ( unsigned  Opcode)

Definition at line 1294 of file RISCVInstrInfo.cpp.

Referenced by canFoldAsPredicatedOp(), and llvm::RISCVInstrInfo::optimizeSelect().

◆ getSHXADDPatterns()

static bool getSHXADDPatterns ( const MachineInstr &  Root,
SmallVectorImpl< unsigned > &  Patterns 
)
static

Definition at line 2130 of file RISCVInstrInfo.cpp.

References canCombine(), canCombineShiftIntoShXAdd(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineInstr::getParent(), getSHXADDShiftAmount(), MBB, llvm::SmallVectorTemplateBase< T, bool >::push_back(), llvm::SHXADD_ADD_SLLI_OP1, and llvm::SHXADD_ADD_SLLI_OP2.

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

◆ getSHXADDShiftAmount()

static unsigned getSHXADDShiftAmount ( unsigned  Opc)
static

Definition at line 2115 of file RISCVInstrInfo.cpp.

Referenced by genShXAddAddShift(), and getSHXADDPatterns().

◆ 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 186 of file RISCVInstrInfo.cpp.

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

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

◆ isFADD()

static bool isFADD ( unsigned  Opc)
static

Definition at line 1622 of file RISCVInstrInfo.cpp.

Referenced by getFPFusedMultiplyPatterns(), and llvm::RISCVInstrInfo::isAssociativeAndCommutative().

◆ isFMUL()

static bool isFMUL ( unsigned  Opc)
static

Definition at line 1644 of file RISCVInstrInfo.cpp.

Referenced by canCombineFPFusedMultiply(), and llvm::RISCVInstrInfo::isAssociativeAndCommutative().

◆ isFSUB()

static bool isFSUB ( unsigned  Opc)
static

Definition at line 1633 of file RISCVInstrInfo.cpp.

Referenced by getFPFusedMultiplyPatterns().

◆ isRVVWholeLoadStore()

static bool isRVVWholeLoadStore ( unsigned  Opcode)
static

Definition at line 3790 of file RISCVInstrInfo.cpp.

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

◆ memOpsHaveSameBasePtr()

static bool memOpsHaveSameBasePtr ( const MachineInstr &  MI1,
ArrayRef< const MachineOperand * >  BaseOps1,
const MachineInstr &  MI2,
ArrayRef< const MachineOperand * >  BaseOps2 
)
static

Definition at line 2650 of file RISCVInstrInfo.cpp.

References llvm::ArrayRef< T >::front(), llvm::getUnderlyingObject(), llvm::MachineInstr::hasOneMemOperand(), and llvm::MachineInstr::memoperands_begin().

◆ parseCondBranch()

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

Definition at line 871 of file RISCVInstrInfo.cpp.

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

Variable Documentation

◆ ForceMachineCombinerStrategy

cl::opt< MachineTraceStrategy > ForceMachineCombinerStrategy("riscv-force-machine-combiner-strategy", cl::Hidden, cl::desc("Force machine combiner to use a specific strategy for machine " "trace metrics evaluation."), cl::init(MachineTraceStrategy::TS_NumStrategies), cl::values(clEnumValN(MachineTraceStrategy::TS_Local, "local", "Local strategy."), clEnumValN(MachineTraceStrategy::TS_MinInstrCount, "min-instr", "MinInstrCount strategy."))) ( "riscv-force-machine-combiner-strategy"  ,
cl::Hidden  ,
cl::desc("Force machine combiner to use a specific strategy for machine " "trace metrics evaluation.")  ,
cl::init(MachineTraceStrategy::TS_NumStrategies)  ,
cl::values(clEnumValN(MachineTraceStrategy::TS_Local, "local", "Local strategy."), clEnumValN(MachineTraceStrategy::TS_MinInstrCount, "min-instr", "MinInstrCount strategy."))   
)
static

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

◆ PreferWholeRegisterMove

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

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