com.oracle.graal.lir

Class ControlFlowOptimizer.Optimizer<B extends AbstractBlockBase<B>>

java.lang.Object

com.oracle.graal.lir.ControlFlowOptimizer.Optimizer<B>

Enclosing class:

ControlFlowOptimizer

private static final class ControlFlowOptimizer.Optimizer<B extends AbstractBlockBase<B>>
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
private static DebugMetric	BLOCKS_DELETED
private LIR	lir

Constructor Summary

Constructors

Modifier	Constructor and Description
private	Optimizer(LIR lir)

Method Summary

Modifier and Type	Method and Description
private void	alignBlock(B block)
private boolean	canDeleteBlock(B block) Checks whether a block can be deleted.
private void	deleteEmptyBlocks(List<B> blocks)

Methods inherited from class java.lang.Object

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

Field Detail

lir

private final LIR lir

BLOCKS_DELETED

private static final DebugMetric BLOCKS_DELETED

Constructor Detail

Optimizer

private Optimizer(LIR lir)

Method Detail

canDeleteBlock

private boolean canDeleteBlock(B block)

Checks whether a block can be deleted. Only blocks with exactly one successor and an unconditional branch to this successor are eligable.

Parameters:

block - the block checked for deletion

Returns:

whether the block can be deleted

alignBlock

private void alignBlock(B block)

deleteEmptyBlocks

private void deleteEmptyBlocks(List<B> blocks)