com.oracle.graal.lir.alloc.lsra

Class LinearScan.BlockData

java.lang.Object

com.oracle.graal.lir.alloc.lsra.LinearScan.BlockData

Enclosing class:

LinearScan

public static class LinearScan.BlockData
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
BitSet	liveGen Bit map specifying which operands are used (before being defined) in this block.
BitSet	liveIn Bit map specifying which operands are live upon entry to this block.
BitSet	liveKill Bit map specifying which operands are defined/overwritten in this block.
BitSet	liveOut Bit map specifying which operands are live upon exit from this block.

Constructor Summary

Constructors

Constructor and Description
BlockData()

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

liveIn

public BitSet liveIn

Bit map specifying which operands are live upon entry to this block. These are values used in this block or any of its successors where such value are not defined in this block. The bit index of an operand is its operand number.

liveOut

public BitSet liveOut

Bit map specifying which operands are live upon exit from this block. These are values used in a successor block that are either defined in this block or were live upon entry to this block. The bit index of an operand is its operand number.

liveGen

public BitSet liveGen

Bit map specifying which operands are used (before being defined) in this block. That is, these are the values that are live upon entry to the block. The bit index of an operand is its operand number.

liveKill

public BitSet liveKill

Bit map specifying which operands are defined/overwritten in this block. The bit index of an operand is its operand number.

Constructor Detail

BlockData

public BlockData()