TwoAddressInstructionPass.cpp File Reference

#include "llvm/CodeGen/Passes.h"
#include "llvm/Function.h"
#include "llvm/CodeGen/LiveVariables.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Debug.h"
#include "llvm/ADT/BitVector.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SmallSet.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/STLExtras.h"

Include dependency graph for TwoAddressInstructionPass.cpp:

Go to the source code of this file.

Defines
#define	DEBUG_TYPE   "twoaddrinstr"
Functions
	STATISTIC (NumTwoAddressInstrs,"Number of two-address instructions")
	STATISTIC (NumCommuted,"Number of instructions commuted to coalesce")
	STATISTIC (NumConvertedTo3Addr,"Number of instructions promoted to 3-address")
	STATISTIC (Num3AddrSunk,"Number of 3-address instructions sunk")
	STATISTIC (NumReMats,"Number of instructions re-materialized")
static bool	isTwoAddrUse (MachineInstr *UseMI, unsigned Reg)
Variables
static RegisterPass < TwoAddressInstructionPass >	X ("twoaddressinstruction","Two-Address instruction pass")

---

Define Documentation

#define DEBUG_TYPE   "twoaddrinstr"

Definition at line 30 of file TwoAddressInstructionPass.cpp.

---

Function Documentation

static bool isTwoAddrUse	(	MachineInstr *	UseMI,
		unsigned	Reg
	)			[static]

isTwoAddrUse - Return true if the specified MI is using the specified register as a two-address operand.

Definition at line 203 of file TwoAddressInstructionPass.cpp.

References llvm::MachineInstr::getDesc(), llvm::TargetInstrDesc::getNumOperands(), llvm::MachineInstr::getOperand(), llvm::TargetInstrDesc::getOperandConstraint(), llvm::MachineOperand::getReg(), llvm::MachineOperand::isDef(), llvm::MachineOperand::isReg(), and llvm::TOI::TIED_TO.

STATISTIC	(	NumReMats	,
		"Number of instructions re-materialized"
	)

STATISTIC	(	Num3AddrSunk	,
		"Number of 3-address instructions sunk"
	)

STATISTIC	(	NumConvertedTo3Addr	,
		"Number of instructions promoted to 3-address"
	)

STATISTIC	(	NumCommuted	,
		"Number of instructions commuted to coalesce"
	)

STATISTIC	(	NumTwoAddressInstrs	,
		"Number of two-address instructions"
	)

---

Variable Documentation

char ID [static]

Definition at line 73 of file TwoAddressInstructionPass.cpp.

LiveVariables* LV

Definition at line 62 of file TwoAddressInstructionPass.cpp.

Referenced by llvm::SparseSolver::getOrInitValueState(), and OptimizeGlobalAddressOfMalloc().

MachineRegisterInfo* MRI

Definition at line 61 of file TwoAddressInstructionPass.cpp.

const TargetInstrInfo* TII

Definition at line 59 of file TwoAddressInstructionPass.cpp.

const TargetRegisterInfo* TRI

Definition at line 60 of file TwoAddressInstructionPass.cpp.

RegisterPass<TwoAddressInstructionPass> X("twoaddressinstruction","Two-Address instruction pass") [static]