ReachingDefAnalysis.cpp File Reference

#include "llvm/CodeGen/ReachingDefAnalysis.h"
#include "llvm/ADT/SetOperations.h"
#include "llvm/ADT/SmallSet.h"
#include "llvm/CodeGen/LiveRegUnits.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/TargetInstrInfo.h"
#include "llvm/CodeGen/TargetRegisterInfo.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/Support/Debug.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "reaching-defs-analysis"

Functions
	INITIALIZE_PASS (ReachingDefAnalysis, DEBUG_TYPE, "ReachingDefAnalysis", false, true) static bool isValidReg(const MachineOperand &MO)
static bool	isValidRegUse (const MachineOperand &MO)
static bool	isValidRegUseOf (const MachineOperand &MO, Register Reg, const TargetRegisterInfo *TRI)
static bool	isValidRegDef (const MachineOperand &MO)
static bool	isValidRegDefOf (const MachineOperand &MO, Register Reg, const TargetRegisterInfo *TRI)
static bool	isFIDef (const MachineInstr &MI, int FrameIndex, const TargetInstrInfo *TII)
static bool	mayHaveSideEffects (MachineInstr &MI)

Variables
static cl::opt< bool >	PrintAllReachingDefs ("print-all-reaching-defs", cl::Hidden, cl::desc("Used for test purpuses"), cl::Hidden)

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "reaching-defs-analysis"

Definition at line 21 of file ReachingDefAnalysis.cpp.

Function Documentation

INITIALIZE_PASS()

INITIALIZE_PASS	(	ReachingDefAnalysis	,
		DEBUG_TYPE	,
		"ReachingDefAnalysis"	,
		false	,
		true
	)		const &

Definition at line 28 of file ReachingDefAnalysis.cpp.

isFIDef()

static bool isFIDef ( const MachineInstr &  MI, int  FrameIndex, const TargetInstrInfo *  TII  )

static

Definition at line 57 of file ReachingDefAnalysis.cpp.

References llvm::HexagonInstrInfo::isStoreToStackSlot(), MI, and TII.

Referenced by llvm::ReachingDefAnalysis::getLocalLiveOutMIDef().

isValidRegDef()

static bool isValidRegDef ( const MachineOperand &  MO )

static

Definition at line 46 of file ReachingDefAnalysis.cpp.

References llvm::MachineOperand::isDef().

Referenced by llvm::ReachingDefAnalysis::collectKilledOperands(), and isValidRegDefOf().

isValidRegDefOf()

static bool isValidRegDefOf ( const MachineOperand &  MO, Register  Reg, const TargetRegisterInfo *  TRI  )

static

Definition at line 50 of file ReachingDefAnalysis.cpp.

References llvm::MachineOperand::getReg(), isValidRegDef(), and TRI.

Referenced by llvm::ReachingDefAnalysis::getLocalLiveOutMIDef(), llvm::ReachingDefAnalysis::isReachingDefLiveOut(), and llvm::ReachingDefAnalysis::isSafeToDefRegAt().

isValidRegUse()

static bool isValidRegUse ( const MachineOperand &  MO )

static

Definition at line 35 of file ReachingDefAnalysis.cpp.

References llvm::MachineOperand::isUse().

Referenced by llvm::ReachingDefAnalysis::collectKilledOperands(), and isValidRegUseOf().

isValidRegUseOf()

static bool isValidRegUseOf ( const MachineOperand &  MO, Register  Reg, const TargetRegisterInfo *  TRI  )

static

Definition at line 39 of file ReachingDefAnalysis.cpp.

References llvm::MachineOperand::getReg(), isValidRegUse(), and TRI.

Referenced by llvm::ReachingDefAnalysis::getLiveInUses(), and llvm::ReachingDefAnalysis::getReachingLocalUses().

mayHaveSideEffects()

static bool mayHaveSideEffects ( MachineInstr &  MI )

static

Definition at line 639 of file ReachingDefAnalysis.cpp.

References MI.

Referenced by llvm::ReachingDefAnalysis::collectKilledOperands(), and isEphemeralValueOf().

Variable Documentation

PrintAllReachingDefs

cl::opt< bool > PrintAllReachingDefs("print-all-reaching-defs", cl::Hidden, cl::desc("Used for test purpuses"), cl::Hidden) ( "print-all-reaching-defs"  , cl::Hidden  , cl::desc("Used for test purpuses")  , cl::Hidden    )

static

Referenced by llvm::ReachingDefAnalysis::runOnMachineFunction().