com.oracle.graal.lir

Class NullCheckOptimizer

java.lang.Object

com.oracle.graal.lir.phases.LIRPhase<PostAllocationOptimizationPhase.PostAllocationOptimizationContext>

com.oracle.graal.lir.phases.PostAllocationOptimizationPhase

com.oracle.graal.lir.NullCheckOptimizer

public final class NullCheckOptimizer
extends PostAllocationOptimizationPhase

Nested Class Summary

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

PostAllocationOptimizationPhase.PostAllocationOptimizationContext

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

LIRPhase.Options

Constructor Summary

Constructors

Constructor and Description
NullCheckOptimizer()

Method Summary

Modifier and Type	Method and Description
private static void	foldNullChecks(LIR ir, List<? extends AbstractBlockBase<?>> blocks, int implicitNullCheckLimit)
protected <B extends AbstractBlockBase<B>> void	run(TargetDescription target, LIRGenerationResult lirGenRes, List<B> codeEmittingOrder, List<B> linearScanOrder, BenchmarkCounterFactory counterFactory)

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

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

NullCheckOptimizer

public NullCheckOptimizer()

Method Detail

run

protected <B extends AbstractBlockBase<B>> void run(TargetDescription target,
                                                    LIRGenerationResult lirGenRes,
                                                    List<B> codeEmittingOrder,
                                                    List<B> linearScanOrder,
                                                    BenchmarkCounterFactory counterFactory)

Specified by:

run in class PostAllocationOptimizationPhase

foldNullChecks

private static void foldNullChecks(LIR ir,
                                   List<? extends AbstractBlockBase<?>> blocks,
                                   int implicitNullCheckLimit)