com.oracle.graal.hotspot.nodes.type

Class MethodPointerStamp

java.lang.Object

com.oracle.graal.compiler.common.type.Stamp

com.oracle.graal.compiler.common.type.AbstractPointerStamp

com.oracle.graal.hotspot.nodes.type.MetaspacePointerStamp

com.oracle.graal.hotspot.nodes.type.MethodPointerStamp

public final class MethodPointerStamp
extends MetaspacePointerStamp

Field Summary

Fields

Modifier and Type	Field and Description
private static MethodPointerStamp	METHOD
private static MethodPointerStamp	METHOD_ALWAYS_NULL
private static MethodPointerStamp	METHOD_NON_NULL

Constructor Summary

Constructors

Modifier	Constructor and Description
private	MethodPointerStamp(boolean nonNull, boolean alwaysNull)

Method Summary

Modifier and Type	Method and Description
Stamp	constant(Constant c, MetaAccessProvider meta) If it is possible to represent single value stamps of this kind, this method returns the stamp representing the single value c.
protected AbstractPointerStamp	copyWith(boolean newNonNull, boolean newAlwaysNull)
boolean	isCompatible(Stamp otherStamp) Test whether two stamps have the same base type.
static MethodPointerStamp	method()
static MethodPointerStamp	methodNonNull()
Constant	readConstant(MemoryAccessProvider provider, Constant base, long displacement) Read a value of this stamp from memory.
String	toString()

Methods inherited from class com.oracle.graal.hotspot.nodes.type.MetaspacePointerStamp

appendString, empty, getLIRKind, hasValues, javaType

Methods inherited from class com.oracle.graal.compiler.common.type.AbstractPointerStamp

alwaysNull, asConstant, equals, getStackKind, hashCode, improveWith, join, meet, nonNull, unrestricted

Methods inherited from class com.oracle.graal.compiler.common.type.Stamp

alwaysDistinct, isEmpty, neverDistinct, tryImproveWith

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

METHOD

private static final MethodPointerStamp METHOD

METHOD_NON_NULL

private static final MethodPointerStamp METHOD_NON_NULL

METHOD_ALWAYS_NULL

private static final MethodPointerStamp METHOD_ALWAYS_NULL

Constructor Detail

MethodPointerStamp

private MethodPointerStamp(boolean nonNull,
                           boolean alwaysNull)

Method Detail

method

public static MethodPointerStamp method()

methodNonNull

public static MethodPointerStamp methodNonNull()

copyWith

protected AbstractPointerStamp copyWith(boolean newNonNull,
                                        boolean newAlwaysNull)

Specified by:

copyWith in class AbstractPointerStamp

isCompatible

public boolean isCompatible(Stamp otherStamp)

Description copied from class: Stamp

Test whether two stamps have the same base type.

Specified by:

isCompatible in class Stamp

constant

public Stamp constant(Constant c,
                      MetaAccessProvider meta)

Description copied from class: Stamp

If it is possible to represent single value stamps of this kind, this method returns the stamp representing the single value c. stamp.constant(c).asConstant() should be equal to c.

If it is not possible to represent single value stamps, this method returns a stamp that includes c, and is otherwise as narrow as possible.

Specified by:

constant in class Stamp

readConstant

public Constant readConstant(MemoryAccessProvider provider,
                             Constant base,
                             long displacement)

Description copied from class: Stamp

Read a value of this stamp from memory.

Specified by:

readConstant in class Stamp

toString

public String toString()

Overrides:

toString in class Object