org.graalvm.compiler.phases.common

Class UseTrappingNullChecksPhase

java.lang.Object

org.graalvm.compiler.phases.BasePhase<LowTierContext>

org.graalvm.compiler.phases.common.UseTrappingOperationPhase

org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase

All Implemented Interfaces:

PhaseSizeContract

public class UseTrappingNullChecksPhase
extends UseTrappingOperationPhase

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	UseTrappingNullChecksPhase.Options

Nested classes/interfaces inherited from class org.graalvm.compiler.phases.BasePhase

BasePhase.ApplyScope, BasePhase.BasePhaseStatistics, BasePhase.PhaseOptions, BasePhase.SharedGlobalPhaseState

Constructor Summary

Constructors

Constructor and Description
UseTrappingNullChecksPhase()

Method Summary

Modifier and Type	Method and Description
void	actionBeforeGuardRewrite(DeoptimizingFixedWithNextNode trappingVersionNode)
boolean	canReplaceCondition(LogicNode condition, IfNode ifNode)
float	codeSizeIncrease() Returns a factor >=1 that determines what the final code size in terms of the sum of the node code sizes NodeSize of all nodes is.
DeoptimizingFixedWithNextNode	createImplicitNode(StructuredGraph graph, LogicNode condition, JavaConstant deoptReasonAndAction, JavaConstant deoptSpeculation)
void	finalAction(DeoptimizingFixedWithNextNode trappingVersionNode, LogicNode condition)
boolean	isSupportedReason(DeoptimizationReason reason)
protected void	run(StructuredGraph graph, LowTierContext context)
boolean	trueSuccessorIsDeopt()
DeoptimizingFixedWithNextNode	tryReplaceExisting(StructuredGraph graph, AbstractBeginNode nonTrappingContinuation, AbstractBeginNode trappingContinuation, LogicNode condition, IfNode ifNode, AbstractDeoptimizeNode deopt, JavaConstant deoptReasonAndAction, JavaConstant deoptSpeculation, LowTierContext context)
boolean	useAddressOptimization(AddressNode adr, LowTierContext context)

Methods inherited from class org.graalvm.compiler.phases.common.UseTrappingOperationPhase

checkPredecessor, replaceWithTrappingVersion, tryUseTrappingVersion, tryUseTrappingVersion

Methods inherited from class org.graalvm.compiler.phases.BasePhase

apply, apply, applyScope, contractorName, equals, getName, hashCode, shouldDumpAfterAtBasicLevel, shouldDumpBeforeAtBasicLevel

Methods inherited from class java.lang.Object

clone, getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.graalvm.compiler.phases.contract.PhaseSizeContract

checkContract

Constructor Detail

UseTrappingNullChecksPhase

public UseTrappingNullChecksPhase()

Method Detail

run

protected void run(StructuredGraph graph,
                   LowTierContext context)

Specified by:

run in class BasePhase<LowTierContext>

canReplaceCondition

public boolean canReplaceCondition(LogicNode condition,
                                   IfNode ifNode)

Specified by:

canReplaceCondition in class UseTrappingOperationPhase

useAddressOptimization

public boolean useAddressOptimization(AddressNode adr,
                                      LowTierContext context)

Specified by:

useAddressOptimization in class UseTrappingOperationPhase

isSupportedReason

public boolean isSupportedReason(DeoptimizationReason reason)

Specified by:

isSupportedReason in class UseTrappingOperationPhase

tryReplaceExisting

public DeoptimizingFixedWithNextNode tryReplaceExisting(StructuredGraph graph,
                                                        AbstractBeginNode nonTrappingContinuation,
                                                        AbstractBeginNode trappingContinuation,
                                                        LogicNode condition,
                                                        IfNode ifNode,
                                                        AbstractDeoptimizeNode deopt,
                                                        JavaConstant deoptReasonAndAction,
                                                        JavaConstant deoptSpeculation,
                                                        LowTierContext context)

Specified by:

tryReplaceExisting in class UseTrappingOperationPhase

createImplicitNode

public DeoptimizingFixedWithNextNode createImplicitNode(StructuredGraph graph,
                                                        LogicNode condition,
                                                        JavaConstant deoptReasonAndAction,
                                                        JavaConstant deoptSpeculation)

Specified by:

createImplicitNode in class UseTrappingOperationPhase

trueSuccessorIsDeopt

public boolean trueSuccessorIsDeopt()

Specified by:

trueSuccessorIsDeopt in class UseTrappingOperationPhase

finalAction

public void finalAction(DeoptimizingFixedWithNextNode trappingVersionNode,
                        LogicNode condition)

Specified by:

finalAction in class UseTrappingOperationPhase

actionBeforeGuardRewrite

public void actionBeforeGuardRewrite(DeoptimizingFixedWithNextNode trappingVersionNode)

Specified by:

actionBeforeGuardRewrite in class UseTrappingOperationPhase

codeSizeIncrease

public float codeSizeIncrease()

Description copied from interface: PhaseSizeContract

Returns a factor >=1 that determines what the final code size in terms of the sum of the node code sizes NodeSize of all nodes is.

Specified by:

codeSizeIncrease in interface PhaseSizeContract

Overrides:

codeSizeIncrease in class BasePhase<LowTierContext>

Returns:

a factor that determines how much the code size can be increased by this phase