SystemZInstrInfo.cpp File Reference

#include "SystemZInstrInfo.h"
#include "SystemZTargetMachine.h"
#include "SystemZInstrBuilder.h"
#include "llvm/CodeGen/LiveVariables.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "SystemZGenInstrInfo.inc"

Include dependency graph for SystemZInstrInfo.cpp:

Go to the source code of this file.

Macros
#define	GET_INSTRINFO_CTOR_DTOR
#define	GET_INSTRMAP_INFO

Functions
static uint64_t	allOnes (unsigned int Count)
static bool	isHighReg (unsigned int Reg)
static int	isSimpleMove (const MachineInstr *MI, int &FrameIndex, unsigned Flag)
static MachineInstr *	getDef (unsigned Reg, const MachineRegisterInfo *MRI)
static bool	isShift (MachineInstr *MI, int Opcode, int64_t Imm)
static void	eraseIfDead (MachineInstr *MI, const MachineRegisterInfo *MRI)
static bool	removeIPMBasedCompare (MachineInstr *Compare, unsigned SrcReg, const MachineRegisterInfo *MRI, const TargetRegisterInfo *TRI)
static unsigned	getConditionalMove (unsigned Opcode)
static bool	isSimpleBD12Move (const MachineInstr *MI, unsigned Flag)
static LogicOp	interpretAndImmediate (unsigned Opcode)
static MachineInstr *	finishConvertToThreeAddress (MachineInstr *OldMI, MachineInstr *NewMI, LiveVariables *LV)
static bool	isStringOfOnes (uint64_t Mask, unsigned &LSB, unsigned &Length)

Macro Definition Documentation

#define GET_INSTRINFO_CTOR_DTOR

Definition at line 20 of file SystemZInstrInfo.cpp.

#define GET_INSTRMAP_INFO

Definition at line 21 of file SystemZInstrInfo.cpp.

Function Documentation

static uint64_t allOnes ( unsigned int  Count )

static

Definition at line 27 of file SystemZInstrInfo.cpp.

Referenced by llvm::SystemZInstrInfo::convertToThreeAddress(), llvm::SystemZInstrInfo::isRxSBGMask(), and llvm::APInt::magicu().

static void eraseIfDead ( MachineInstr *  MI, const MachineRegisterInfo *  MRI  )

static

Definition at line 433 of file SystemZInstrInfo.cpp.

References llvm::MachineInstr::eraseFromParent(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), and llvm::MachineRegisterInfo::use_nodbg_empty().

Referenced by removeIPMBasedCompare().

static MachineInstr* finishConvertToThreeAddress ( MachineInstr *  OldMI, MachineInstr *  NewMI, LiveVariables *  LV  )

static

Definition at line 659 of file SystemZInstrInfo.cpp.

References llvm::MachineInstr::getNumOperands(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), I, llvm::MachineOperand::isKill(), llvm::MachineOperand::isReg(), and llvm::LiveVariables::replaceKillInstruction().

Referenced by llvm::SystemZInstrInfo::convertToThreeAddress().

static unsigned getConditionalMove ( unsigned  Opcode )

static

Definition at line 498 of file SystemZInstrInfo.cpp.

Referenced by llvm::SystemZInstrInfo::isPredicable(), and llvm::SystemZInstrInfo::PredicateInstruction().

static MachineInstr* getDef ( unsigned  Reg, const MachineRegisterInfo *  MRI  )

static

Definition at line 418 of file SystemZInstrInfo.cpp.

References llvm::MachineRegisterInfo::getUniqueVRegDef(), and llvm::TargetRegisterInfo::isPhysicalRegister().

Referenced by llvm::UnOpInit::Fold(), and removeIPMBasedCompare().

static LogicOp interpretAndImmediate ( unsigned  Opcode )

static

Definition at line 642 of file SystemZInstrInfo.cpp.

Referenced by llvm::SystemZInstrInfo::convertToThreeAddress().

static bool isHighReg ( unsigned int  Reg )

static

Definition at line 33 of file SystemZInstrInfo.cpp.

Referenced by llvm::SystemZInstrInfo::expandPostRAPseudo().

static bool isShift ( MachineInstr *  MI, int  Opcode, int64_t  Imm  )

static

Definition at line 426 of file SystemZInstrInfo.cpp.

References llvm::MachineOperand::getImm(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), and llvm::MachineOperand::getReg().

Referenced by removeIPMBasedCompare().

static bool isSimpleBD12Move ( const MachineInstr *  MI, unsigned  Flag  )

static

Definition at line 623 of file SystemZInstrInfo.cpp.

References llvm::MachineInstr::getDesc(), llvm::MachineOperand::getImm(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), and llvm::MCInstrDesc::TSFlags.

Referenced by llvm::SystemZInstrInfo::foldMemoryOperandImpl().

static int isSimpleMove ( const MachineInstr *  MI, int &  FrameIndex, unsigned  Flag  )

static

Definition at line 193 of file SystemZInstrInfo.cpp.

References llvm::MachineInstr::getDesc(), llvm::MachineOperand::getImm(), llvm::MachineOperand::getIndex(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), llvm::MachineOperand::isFI(), and llvm::MCInstrDesc::TSFlags.

Referenced by llvm::SystemZInstrInfo::isLoadFromStackSlot(), and llvm::SystemZInstrInfo::isStoreToStackSlot().

static bool isStringOfOnes ( uint64_t  Mask, unsigned &  LSB, unsigned &  Length  )

static

Definition at line 1167 of file SystemZInstrInfo.cpp.

References llvm::findFirstSet().

Referenced by llvm::SystemZInstrInfo::isRxSBGMask().

static bool removeIPMBasedCompare ( MachineInstr *  Compare, unsigned  SrcReg, const MachineRegisterInfo *  MRI, const TargetRegisterInfo *  TRI  )

static

Definition at line 442 of file SystemZInstrInfo.cpp.

References llvm::MCID::Compare, llvm::MachineInstr::eraseFromParent(), eraseIfDead(), getDef(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineInstr::getParent(), llvm::MachineOperand::getReg(), llvm::SystemZISD::IPM, llvm::SystemZ::IPM_CC, isShift(), llvm::MachineInstr::modifiesRegister(), MRI, and llvm::ISD::SRL.

Referenced by llvm::SystemZInstrInfo::optimizeCompareInstr().