LiveRegMatrix.cpp File Reference

#include "llvm/CodeGen/LiveRegMatrix.h"
#include "RegisterCoalescer.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/CodeGen/LiveInterval.h"
#include "llvm/CodeGen/LiveIntervalUnion.h"
#include "llvm/CodeGen/LiveIntervals.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/TargetRegisterInfo.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/CodeGen/VirtRegMap.h"
#include "llvm/MC/LaneBitmask.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/Pass.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
#include <cassert>

Include dependency graph for LiveRegMatrix.cpp:

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "regalloc"

Functions
	STATISTIC (NumAssigned, "Number of registers assigned")
	STATISTIC (NumUnassigned, "Number of registers unassigned")
	INITIALIZE_PASS_BEGIN (LiveRegMatrix, "liveregmatrix", "Live Register Matrix", false, false) INITIALIZE_PASS_END(LiveRegMatrix
template<typename Callable >
static bool	foreachUnit (const TargetRegisterInfo *TRI, LiveInterval &VRegInterval, unsigned PhysReg, Callable Func)

Variables
	liveregmatrix
Live Register	Matrix
Live Register	false

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "regalloc"

Definition at line 33 of file LiveRegMatrix.cpp.

Function Documentation

foreachUnit()

template<typename Callable >

static bool foreachUnit ( const TargetRegisterInfo *  TRI, LiveInterval &  VRegInterval, unsigned  PhysReg, Callable  Func  )

static

Definition at line 80 of file LiveRegMatrix.cpp.

References llvm::LiveInterval::hasSubRanges(), llvm::MCRegisterInfo::DiffListIterator::isValid(), llvm::MCRegUnitMaskIterator::isValid(), llvm::BitmaskEnumDetail::Mask(), llvm::LiveInterval::subranges(), and Unit.

Referenced by llvm::LiveRegMatrix::assign(), llvm::LiveRegMatrix::checkInterference(), llvm::LiveRegMatrix::checkRegUnitInterference(), and llvm::LiveRegMatrix::unassign().

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	LiveRegMatrix	,
		"liveregmatrix"	,
		"Live Register Matrix"	,
		false	,
		false
	)

STATISTIC() [1/2]

STATISTIC	(	NumAssigned	,
		"Number of registers assigned"
	)

STATISTIC() [2/2]

STATISTIC	(	NumUnassigned	,
		"Number of registers unassigned"
	)

Variable Documentation

false

Live Register false

Definition at line 43 of file LiveRegMatrix.cpp.

liveregmatrix

liveregmatrix

Definition at line 43 of file LiveRegMatrix.cpp.

Matrix

Live Register Matrix

Definition at line 43 of file LiveRegMatrix.cpp.

Referenced by llvm::PBQP::applyR1(), llvm::PBQP::applyR2(), llvm::PBQP::backpropagate(), llvm::createGreedyRegisterAllocator(), getNumAllocatableRegsForConstraints(), llvm::SystemZRegisterInfo::getPointerRegClass(), llvm::TargetRegisterInfo::getRegPressureSetScore(), hasTiedDef(), and reorderSubVector().