com.oracle.graal.lir.alloc.lsra.ssa

Class SSALinearScanEliminateSpillMovePhase

java.lang.Object

com.oracle.graal.lir.phases.LIRPhase<AllocationPhase.AllocationContext>

com.oracle.graal.lir.phases.AllocationPhase

com.oracle.graal.lir.alloc.lsra.LinearScanEliminateSpillMovePhase

com.oracle.graal.lir.alloc.lsra.ssa.SSALinearScanEliminateSpillMovePhase

public class SSALinearScanEliminateSpillMovePhase
extends LinearScanEliminateSpillMovePhase

Nested Class Summary

Nested classes/interfaces inherited from class com.oracle.graal.lir.phases.AllocationPhase

AllocationPhase.AllocationContext

Nested classes/interfaces inherited from class com.oracle.graal.lir.phases.LIRPhase

LIRPhase.Options

Field Summary

Fields inherited from class com.oracle.graal.lir.alloc.lsra.LinearScanEliminateSpillMovePhase

allocator

Constructor Summary

Constructors

Constructor and Description
SSALinearScanEliminateSpillMovePhase(LinearScan allocator)

Method Summary

Modifier and Type	Method and Description
protected boolean	canEliminateSpillMove(AbstractBlockBase<?> block, StandardOp.MoveOp move)
protected int	firstInstructionOfInterest()
private boolean	isPhiResolutionMove(AbstractBlockBase<?> block, StandardOp.MoveOp move, Interval toInterval)

Methods inherited from class com.oracle.graal.lir.alloc.lsra.LinearScanEliminateSpillMovePhase

run

Methods inherited from class com.oracle.graal.lir.phases.AllocationPhase

run

Methods inherited from class com.oracle.graal.lir.phases.LIRPhase

apply, apply, createName, getName

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SSALinearScanEliminateSpillMovePhase

SSALinearScanEliminateSpillMovePhase(LinearScan allocator)

Method Detail

firstInstructionOfInterest

protected int firstInstructionOfInterest()

Overrides:

firstInstructionOfInterest in class LinearScanEliminateSpillMovePhase

Returns:

the index of the first instruction that is of interest for LinearScanEliminateSpillMovePhase.eliminateSpillMoves()

canEliminateSpillMove

protected boolean canEliminateSpillMove(AbstractBlockBase<?> block,
                                        StandardOp.MoveOp move)

Overrides:

canEliminateSpillMove in class LinearScanEliminateSpillMovePhase

Parameters:

block - The block move is located in.

move - Spill move.

isPhiResolutionMove

private boolean isPhiResolutionMove(AbstractBlockBase<?> block,
                                    StandardOp.MoveOp move,
                                    Interval toInterval)