LLVM  15.0.0git
Public Member Functions | List of all members
llvm::VEInstrInfo Class Reference

#include "Target/VE/VEInstrInfo.h"

Inheritance diagram for llvm::VEInstrInfo:
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Collaboration diagram for llvm::VEInstrInfo:
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Public Member Functions

 VEInstrInfo (VESubtarget &ST)
 
const VERegisterInfo & getRegisterInfo () const
 getRegisterInfo - TargetInstrInfo is a superset of MRegister info. More...
 
bool analyzeBranch (MachineBasicBlock &MBB, MachineBasicBlock *&TBB, MachineBasicBlock *&FBB, SmallVectorImpl< MachineOperand > &Cond, bool AllowModify=false) const override
 Branch Analysis & Modification {. More...
 
unsigned removeBranch (MachineBasicBlock &MBB, int *BytesRemoved=nullptr) const override
 
unsigned insertBranch (MachineBasicBlock &MBB, MachineBasicBlock *TBB, MachineBasicBlock *FBB, ArrayRef< MachineOperand > Cond, const DebugLoc &DL, int *BytesAdded=nullptr) const override
 
bool reverseBranchCondition (SmallVectorImpl< MachineOperand > &Cond) const override
 
void copyPhysReg (MachineBasicBlock &MBB, MachineBasicBlock::iterator I, const DebugLoc &DL, MCRegister DestReg, MCRegister SrcReg, bool KillSrc) const override
 } Branch Analysis & Modification More...
 
unsigned isLoadFromStackSlot (const MachineInstr &MI, int &FrameIndex) const override
 Stack Spill & Reload {. More...
 
unsigned isStoreToStackSlot (const MachineInstr &MI, int &FrameIndex) const override
 isStoreToStackSlot - If the specified machine instruction is a direct store to a stack slot, return the virtual or physical register number of the source reg along with the FrameIndex of the loaded stack slot. More...
 
void storeRegToStackSlot (MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI, Register SrcReg, bool isKill, int FrameIndex, const TargetRegisterClass *RC, const TargetRegisterInfo *TRI) const override
 
void loadRegFromStackSlot (MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI, Register DestReg, int FrameIndex, const TargetRegisterClass *RC, const TargetRegisterInfo *TRI) const override
 
bool FoldImmediate (MachineInstr &UseMI, MachineInstr &DefMI, Register Reg, MachineRegisterInfo *MRI) const override
 } Stack Spill & Reload More...
 
Register getGlobalBaseReg (MachineFunction *MF) const
 } Optimization More...
 
bool expandPostRAPseudo (MachineInstr &MI) const override
 
bool expandExtendStackPseudo (MachineInstr &MI) const
 
bool expandGetStackTopPseudo (MachineInstr &MI) const
 

Detailed Description

Definition at line 51 of file VEInstrInfo.h.

Constructor & Destructor Documentation

◆ VEInstrInfo()

VEInstrInfo::VEInstrInfo ( VESubtarget &  ST)
explicit

Definition at line 38 of file VEInstrInfo.cpp.

Member Function Documentation

◆ analyzeBranch()

bool VEInstrInfo::analyzeBranch ( MachineBasicBlock &  MBB,
MachineBasicBlock *&  TBB,
MachineBasicBlock *&  FBB,
SmallVectorImpl< MachineOperand > &  Cond,
bool  AllowModify = false 
) const
override

Branch Analysis & Modification {.

Definition at line 145 of file VEInstrInfo.cpp.

References llvm::MachineBasicBlock::begin(), Cond, llvm::MachineBasicBlock::end(), llvm::MachineInstr::eraseFromParent(), llvm::MachineBasicBlock::getLastNonDebugInstr(), llvm::MachineOperand::getMBB(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), I, llvm::isCondBranchOpcode(), llvm::isIndirectBranchOpcode(), llvm::isUncondBranchOpcode(), MBB, and parseCondBranch().

◆ copyPhysReg()

void VEInstrInfo::copyPhysReg ( MachineBasicBlock &  MBB,
MachineBasicBlock::iterator  I,
const DebugLoc &  DL,
MCRegister  DestReg,
MCRegister  SrcReg,
bool  KillSrc 
) const
override

} Branch Analysis & Modification

Definition at line 359 of file VEInstrInfo.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), llvm::MachineInstr::addRegisterKilled(), llvm::BuildMI(), contains(), copyPhysSubRegs(), llvm::dbgs(), DL, get, llvm::MachineInstrBuilder::getInstr(), llvm::getKillRegState(), getRegisterInfo(), llvm::TargetRegisterInfo::getSubReg(), I, IsAliasOfSX(), llvm_unreachable, llvm::M1(), MBB, llvm::printReg(), and TRI.

◆ expandExtendStackPseudo()

bool VEInstrInfo::expandExtendStackPseudo ( MachineInstr &  MI) const

Definition at line 965 of file VEInstrInfo.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addMBB(), llvm::MachineInstrBuilder::addReg(), BB, llvm::MachineBasicBlock::begin(), llvm::BuildMI(), llvm::VECC::CC_IGE, llvm::MachineFunction::CreateMachineBasicBlock(), llvm::MachineBasicBlock::findDebugLoc(), llvm::VESubtarget::getInstrInfo(), llvm::MachineBasicBlock::getParent(), llvm::MachineFunction::getSubtarget(), llvm::MachineFunction::insert(), MBB, MI, llvm::MachineBasicBlock::splice(), TII, and llvm::MachineBasicBlock::transferSuccessorsAndUpdatePHIs().

Referenced by expandPostRAPseudo().

◆ expandGetStackTopPseudo()

bool VEInstrInfo::expandGetStackTopPseudo ( MachineInstr &  MI) const

Definition at line 1049 of file VEInstrInfo.cpp.

References llvm::MachineInstrBuilder::addDef(), llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), llvm::MachineFrameInfo::adjustsStack(), llvm::BuildMI(), DL, llvm::MachineBasicBlock::findDebugLoc(), llvm::VESubtarget::getAdjustedFrameSize(), llvm::MachineFunction::getFrameInfo(), llvm::VESubtarget::getFrameLowering(), llvm::VESubtarget::getInstrInfo(), llvm::MachineFrameInfo::getMaxCallFrameSize(), llvm::MachineBasicBlock::getParent(), llvm::MachineFunction::getSubtarget(), llvm::VEFrameLowering::hasReservedCallFrame(), MBB, MI, and TII.

Referenced by expandPostRAPseudo().

◆ expandPostRAPseudo()

bool VEInstrInfo::expandPostRAPseudo ( MachineInstr &  MI) const
override

Definition at line 844 of file VEInstrInfo.cpp.

References llvm::MachineInstrBuilder::addDef(), llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), llvm::MachineInstr::addRegisterKilled(), assert(), llvm::BuildMI(), DL, expandExtendStackPseudo(), expandGetStackTopPseudo(), expandPseudoLogM(), expandPseudoVFMK(), get, llvm::MachineInstrBuilder::getInstr(), llvm::getKillRegState(), getRegisterInfo(), llvm::VEISD::GETSTACKTOP, getVM512Lower(), getVM512Upper(), llvm::RISCVMatInt::Imm, MBB, MI, and TRI.

◆ FoldImmediate()

bool VEInstrInfo::FoldImmediate ( MachineInstr &  UseMI,
MachineInstr &  DefMI,
Register  Reg,
MachineRegisterInfo *  MRI 
) const
override

} Stack Spill & Reload

Optimization {

Definition at line 546 of file VEInstrInfo.cpp.

References llvm::ISD::AND, assert(), llvm::dbgs(), DefMI, get, llvm::MachineInstrBuilder::getReg(), llvm::MachineRegisterInfo::hasOneNonDBGUse(), INSTRKIND, llvm::isMImmVal(), LLVM_DEBUG, llvm::mimm2Val(), MRI, NCINSTRKIND, llvm::ISD::OR, UseMI, llvm::val2MImm(), and llvm::ISD::XOR.

◆ getGlobalBaseReg()

Register VEInstrInfo::getGlobalBaseReg ( MachineFunction *  MF) const

} Optimization

Definition at line 724 of file VEInstrInfo.cpp.

References llvm::MachineBasicBlock::begin(), llvm::BuildMI(), llvm::MachineFunction::front(), get, llvm::VEMachineFunctionInfo::getGlobalBaseReg(), llvm::MachineFunction::getInfo(), llvm::PPCISD::GlobalBaseReg, MBBI, and llvm::VEMachineFunctionInfo::setGlobalBaseReg().

Referenced by llvm::VETargetLowering::LowerCall(), and llvm::VETargetLowering::lowerToTLSGeneralDynamicModel().

◆ getRegisterInfo()

const VERegisterInfo& llvm::VEInstrInfo::getRegisterInfo ( ) const
inline

getRegisterInfo - TargetInstrInfo is a superset of MRegister info.

As such, whenever a client has an instance of instruction info, it should always be able to get register info as well (through this method).

Definition at line 62 of file VEInstrInfo.h.

Referenced by copyPhysReg(), expandPostRAPseudo(), llvm::VESubtarget::getRegisterInfo(), and insertBranch().

◆ insertBranch()

unsigned VEInstrInfo::insertBranch ( MachineBasicBlock &  MBB,
MachineBasicBlock *  TBB,
MachineBasicBlock *  FBB,
ArrayRef< MachineOperand >  Cond,
const DebugLoc &  DL,
int *  BytesAdded = nullptr 
) const
override

Definition at line 226 of file VEInstrInfo.cpp.

References llvm::MachineInstrBuilder::add(), llvm::MachineInstrBuilder::addMBB(), assert(), llvm::BuildMI(), Cond, DL, get, llvm::MachineBasicBlock::getParent(), llvm::MachineFunction::getRegInfo(), getRegisterInfo(), llvm::TargetRegisterInfo::getRegSizeInBits(), isImm(), IsIntegerCC(), isReg(), MBB, MRI, and TRI.

◆ isLoadFromStackSlot()

unsigned VEInstrInfo::isLoadFromStackSlot ( const MachineInstr &  MI,
int &  FrameIndex 
) const
override

Stack Spill & Reload {.

isLoadFromStackSlot - If the specified machine instruction is a direct load from a stack slot, return the virtual or physical register number of the destination along with the FrameIndex of the loaded stack slot.

If not, return 0. This predicate must return 0 if the instruction has any side effects other than loading from the stack slot.

Definition at line 416 of file VEInstrInfo.cpp.

References llvm::ISD::FrameIndex, and MI.

◆ isStoreToStackSlot()

unsigned VEInstrInfo::isStoreToStackSlot ( const MachineInstr &  MI,
int &  FrameIndex 
) const
override

isStoreToStackSlot - If the specified machine instruction is a direct store to a stack slot, return the virtual or physical register number of the source reg along with the FrameIndex of the loaded stack slot.

If not, return 0. This predicate must return 0 if the instruction has any side effects other than storing to the stack slot.

Definition at line 438 of file VEInstrInfo.cpp.

References llvm::ISD::FrameIndex, and MI.

◆ loadRegFromStackSlot()

void VEInstrInfo::loadRegFromStackSlot ( MachineBasicBlock &  MBB,
MachineBasicBlock::iterator  MBBI,
Register  DestReg,
int  FrameIndex,
const TargetRegisterClass *  RC,
const TargetRegisterInfo *  TRI 
) const
override

Definition at line 503 of file VEInstrInfo.cpp.

References llvm::MachineInstrBuilder::addFrameIndex(), llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addMemOperand(), llvm::BuildMI(), DL, llvm::MachineBasicBlock::end(), get, llvm::MachinePointerInfo::getFixedStack(), llvm::MachineFunction::getFrameInfo(), llvm::MachineFunction::getMachineMemOperand(), llvm::MachineFrameInfo::getObjectAlign(), llvm::MachineFrameInfo::getObjectSize(), llvm::MachineBasicBlock::getParent(), I, MBB, llvm::MachineMemOperand::MOLoad, and llvm::report_fatal_error().

◆ removeBranch()

unsigned VEInstrInfo::removeBranch ( MachineBasicBlock &  MBB,
int *  BytesRemoved = nullptr 
) const
override

Definition at line 291 of file VEInstrInfo.cpp.

References assert(), llvm::MachineBasicBlock::begin(), llvm::MachineBasicBlock::end(), I, llvm::isCondBranchOpcode(), llvm::isUncondBranchOpcode(), and MBB.

◆ reverseBranchCondition()

bool VEInstrInfo::reverseBranchCondition ( SmallVectorImpl< MachineOperand > &  Cond) const
override

Definition at line 314 of file VEInstrInfo.cpp.

References Cond, and GetOppositeBranchCondition().

◆ storeRegToStackSlot()

void VEInstrInfo::storeRegToStackSlot ( MachineBasicBlock &  MBB,
MachineBasicBlock::iterator  MBBI,
Register  SrcReg,
bool  isKill,
int  FrameIndex,
const TargetRegisterClass *  RC,
const TargetRegisterInfo *  TRI 
) const
override

Definition at line 455 of file VEInstrInfo.cpp.

References llvm::MachineInstrBuilder::addFrameIndex(), llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addMemOperand(), llvm::MachineInstrBuilder::addReg(), llvm::BuildMI(), DL, llvm::MachineBasicBlock::end(), get, llvm::MachinePointerInfo::getFixedStack(), llvm::MachineFunction::getFrameInfo(), llvm::getKillRegState(), llvm::MachineFunction::getMachineMemOperand(), llvm::MachineFrameInfo::getObjectAlign(), llvm::MachineFrameInfo::getObjectSize(), llvm::MachineBasicBlock::getParent(), I, MBB, llvm::MachineMemOperand::MOStore, and llvm::report_fatal_error().

The documentation for this class was generated from the following files:
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