SystemZInstrInfo.cpp File Reference

#include "SystemZInstrInfo.h"
#include "MCTargetDesc/SystemZMCTargetDesc.h"
#include "SystemZ.h"
#include "SystemZInstrBuilder.h"
#include "SystemZSubtarget.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/CodeGen/LiveInterval.h"
#include "llvm/CodeGen/LiveIntervals.h"
#include "llvm/CodeGen/LiveVariables.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineMemOperand.h"
#include "llvm/CodeGen/MachineOperand.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/SlotIndexes.h"
#include "llvm/CodeGen/TargetInstrInfo.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/MC/MCInstrDesc.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/Support/BranchProbability.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Target/TargetMachine.h"
#include <cassert>
#include <cstdint>
#include <iterator>
#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
#define	DEBUG_TYPE   "systemz-II"

Functions
	STATISTIC (LOCRMuxJumps, "Number of LOCRMux jump-sequences (lower is better)")
static uint64_t	allOnes (unsigned int Count)
static bool	isHighReg (unsigned int Reg)
static int	isSimpleMove (const MachineInstr &MI, int &FrameIndex, unsigned Flag)
static bool	isSimpleBD12Move (const MachineInstr *MI, unsigned Flag)
static LogicOp	interpretAndImmediate (unsigned Opcode)
static void	transferDeadCC (MachineInstr *OldMI, MachineInstr *NewMI)
static MachineInstr *	finishConvertToThreeAddress (MachineInstr *OldMI, MachineInstr *NewMI, LiveVariables *LV)
static bool	isStringOfOnes (uint64_t Mask, unsigned &LSB, unsigned &Length)

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "systemz-II"

Definition at line 49 of file SystemZInstrInfo.cpp.

GET_INSTRINFO_CTOR_DTOR

#define GET_INSTRINFO_CTOR_DTOR

Definition at line 45 of file SystemZInstrInfo.cpp.

GET_INSTRMAP_INFO

#define GET_INSTRMAP_INFO

Definition at line 46 of file SystemZInstrInfo.cpp.

Function Documentation

allOnes()

static uint64_t allOnes ( unsigned int  Count )

static

Definition at line 53 of file SystemZInstrInfo.cpp.

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

finishConvertToThreeAddress()

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

static

Definition at line 963 of file SystemZInstrInfo.cpp.

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

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

interpretAndImmediate()

static LogicOp interpretAndImmediate ( unsigned  Opcode )

static

Definition at line 938 of file SystemZInstrInfo.cpp.

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

isHighReg()

static bool isHighReg ( unsigned int  Reg )

static

Definition at line 59 of file SystemZInstrInfo.cpp.

References assert(), and contains().

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

isSimpleBD12Move()

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

static

Definition at line 915 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().

isSimpleMove()

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

static

Definition at line 336 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().

isStringOfOnes()

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

static

Definition at line 1592 of file SystemZInstrInfo.cpp.

References llvm::findFirstSet().

STATISTIC()

STATISTIC	(	LOCRMuxJumps	,
		"Number of LOCRMux jump-sequences (lower is better)"
	)

transferDeadCC()

static void transferDeadCC ( MachineInstr *  OldMI, MachineInstr *  NewMI  )

static

Definition at line 953 of file SystemZInstrInfo.cpp.

References llvm::MachineInstr::findRegisterDefOperand(), llvm::MachineInstr::registerDefIsDead(), and llvm::MachineOperand::setIsDead().

Referenced by finishConvertToThreeAddress(), and llvm::SystemZInstrInfo::foldMemoryOperandImpl().