com.oracle.graal.nodes

Enum GraphDecoder.LoopExplosionKind

java.lang.Object

java.lang.Enum<GraphDecoder.LoopExplosionKind>

com.oracle.graal.nodes.GraphDecoder.LoopExplosionKind

All Implemented Interfaces:

Serializable, Comparable<GraphDecoder.LoopExplosionKind>

Enclosing class:

GraphDecoder

public static enum GraphDecoder.LoopExplosionKind
extends Enum<GraphDecoder.LoopExplosionKind>

Enum Constant Summary

Enum Constants

Enum Constant and Description
FULL_EXPLODE Fully explode all loops.
FULL_UNROLL Fully unroll all loops.
MERGE_EXPLODE like FULL_EXPLODE, but copies of the loop body that have the exact same state are merged.
NONE No loop explosion.

Method Summary

Modifier and Type	Method and Description
static GraphDecoder.LoopExplosionKind	valueOf(String name) Returns the enum constant of this type with the specified name.
static GraphDecoder.LoopExplosionKind[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

NONE

public static final GraphDecoder.LoopExplosionKind NONE

No loop explosion.

FULL_UNROLL

public static final GraphDecoder.LoopExplosionKind FULL_UNROLL

Fully unroll all loops. The loops must have a known finite number of iterations. If a loop has multiple loop ends, they are merged so that the subsequent loop iteration is processed only once. For example, a loop with 4 iterations and 2 loop ends leads to 1+1+1+1 = 4 copies of the loop body. The merge can introduce phi functions.

FULL_EXPLODE

public static final GraphDecoder.LoopExplosionKind FULL_EXPLODE

Fully explode all loops. The loops must have a known finite number of iterations. If a loop has multiple loop ends, they are not merged so that subsequent loop iterations are processed multiple times. For example, a loop with 4 iterations and 2 loop ends leads to 1+2+4+8 = 15 copies of the loop body.

MERGE_EXPLODE

public static final GraphDecoder.LoopExplosionKind MERGE_EXPLODE

like FULL_EXPLODE, but copies of the loop body that have the exact same state are merged. This reduces the number of copies necessary, but can introduce loops again.

Method Detail

values

public static GraphDecoder.LoopExplosionKind[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (GraphDecoder.LoopExplosionKind c : GraphDecoder.LoopExplosionKind.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static GraphDecoder.LoopExplosionKind valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null