org.graalvm.compiler.nodes.loop

Class LoopPolicies.UnswitchingDecision

java.lang.Object

org.graalvm.compiler.nodes.loop.LoopPolicies.UnswitchingDecision

Enclosing interface:

LoopPolicies

public static final class LoopPolicies.UnswitchingDecision
extends Object

Models the decision of LoopPolicies::shouldUnswitch. A decision can be considered trivial. Trivial unswitches are not counted towards the loop's total unswitch count.

Field Summary

Fields

Modifier and Type	Field and Description
static LoopPolicies.UnswitchingDecision	NO

Method Summary

Modifier and Type	Method and Description
List<ControlSplitNode>	getControlSplits() The control split nodes to unswitch.
boolean	isTrivial()
boolean	shouldUnswitch()
static LoopPolicies.UnswitchingDecision	trivial(List<ControlSplitNode> controlSplits)
static LoopPolicies.UnswitchingDecision	yes(List<ControlSplitNode> controlSplits) Build a positive unswitching decision.

Methods inherited from class java.lang.Object

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

Field Detail

NO

public static final LoopPolicies.UnswitchingDecision NO

Method Detail

trivial

public static LoopPolicies.UnswitchingDecision trivial(List<ControlSplitNode> controlSplits)

yes

public static LoopPolicies.UnswitchingDecision yes(List<ControlSplitNode> controlSplits)

Build a positive unswitching decision. The given control split nodes cannot be none.

shouldUnswitch

public boolean shouldUnswitch()

isTrivial

public boolean isTrivial()

getControlSplits

public List<ControlSplitNode> getControlSplits()

The control split nodes to unswitch.

Returns:

the list of control split nodes, null if shouldUnswitch() returns false.