RegAllocLocal.cpp File Reference

#include "llvm/BasicBlock.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/RegAllocRegistry.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/Compiler.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/IndexedMap.h"
#include "llvm/ADT/SmallSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/STLExtras.h"
#include <algorithm>

Include dependency graph for RegAllocLocal.cpp:

Go to the source code of this file.

Defines
#define	DEBUG_TYPE   "regalloc"
Functions
	STATISTIC (NumStores,"Number of stores added")
	STATISTIC (NumLoads,"Number of loads added")
static bool	isReadModWriteImplicitKill (MachineInstr *MI, unsigned Reg)
static bool	isReadModWriteImplicitDef (MachineInstr *MI, unsigned Reg)
static bool	precedes (MachineBasicBlock::iterator A, MachineBasicBlock::iterator B)
FunctionPass *	llvm::createLocalRegisterAllocator ()
Variables
static RegisterRegAlloc	localRegAlloc ("local","local register allocator", createLocalRegisterAllocator)

---

Define Documentation

#define DEBUG_TYPE   "regalloc"

Definition at line 15 of file RegAllocLocal.cpp.

---

Function Documentation

static bool isReadModWriteImplicitDef	(	MachineInstr *	MI,
		unsigned	Reg
	)			[static]

isReadModWriteImplicitDef - True if this is an implicit def for a read/mod/write register, i.e. update partial register.

Definition at line 558 of file RegAllocLocal.cpp.

References llvm::MachineInstr::getNumOperands(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), llvm::MachineOperand::isDef(), llvm::MachineOperand::isImplicit(), llvm::MachineOperand::isKill(), and llvm::MachineOperand::isReg().

static bool isReadModWriteImplicitKill	(	MachineInstr *	MI,
		unsigned	Reg
	)			[static]

isReadModWriteImplicitKill - True if this is an implicit kill for a read/mod/write register, i.e. update partial register.

Definition at line 546 of file RegAllocLocal.cpp.

References llvm::MachineInstr::getNumOperands(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), llvm::MachineOperand::isDead(), llvm::MachineOperand::isDef(), llvm::MachineOperand::isImplicit(), and llvm::MachineOperand::isReg().

static bool precedes	(	MachineBasicBlock::iterator	A,
		MachineBasicBlock::iterator	B
	)			[static]

Definition at line 570 of file RegAllocLocal.cpp.

References llvm::MachineBasicBlock::begin(), and llvm::MachineInstr::getParent().

STATISTIC	(	NumLoads	,
		"Number of loads added"
	)

STATISTIC	(	NumStores	,
		"Number of stores added"
	)

---

Variable Documentation

char ID [static]

Definition at line 47 of file RegAllocLocal.cpp.

RegisterRegAlloc localRegAlloc("local","local register allocator", createLocalRegisterAllocator) [static]

MachineFunction* MF

Definition at line 51 of file RegAllocLocal.cpp.

std::vector<int> PhysRegsUsed

Definition at line 76 of file RegAllocLocal.cpp.

std::vector<unsigned> PhysRegsUseOrder

Definition at line 86 of file RegAllocLocal.cpp.

IndexedMap<int, VirtReg2IndexFunctor> StackSlotForVirtReg

Definition at line 57 of file RegAllocLocal.cpp.

const TargetInstrInfo* TII

Definition at line 53 of file RegAllocLocal.cpp.

const TargetMachine* TM

Definition at line 50 of file RegAllocLocal.cpp.

const TargetRegisterInfo* TRI

Definition at line 52 of file RegAllocLocal.cpp.

BitVector UsedInMultipleBlocks

Definition at line 107 of file RegAllocLocal.cpp.

IndexedMap<std::pair<MachineInstr*, unsigned>, VirtReg2IndexFunctor> Virt2LastUseMap

Definition at line 91 of file RegAllocLocal.cpp.

IndexedMap<unsigned, VirtReg2IndexFunctor> Virt2PhysRegMap

Definition at line 61 of file RegAllocLocal.cpp.

BitVector VirtRegModified

Definition at line 103 of file RegAllocLocal.cpp.