org.graalvm.compiler.nodes.util

Class IntegerHelper

java.lang.Object

org.graalvm.compiler.nodes.util.IntegerHelper

Direct Known Subclasses:

SignedIntegerHelper, UnsignedIntegerHelper

public abstract class IntegerHelper
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
protected int	bits

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	IntegerHelper(int bits)

Method Summary

Modifier and Type	Method and Description
abstract long	cast(long a)
int	compare(long a, long b)
abstract LogicNode	createCompareNode(ValueNode x, ValueNode y, NodeView view)
boolean	isGreater(long a, long b)
boolean	isGreaterEqual(long a, long b)
boolean	isSmaller(long a, long b)
boolean	isSmallerEqual(long a, long b)
abstract long	lowerBound(IntegerStamp stamp)
long	max(long a, long b)
abstract long	maxValue()
long	min(long a, long b)
abstract long	minValue()
protected abstract int	rawCompare(long a, long b)
protected abstract long	rawMax(long a, long b)
protected abstract long	rawMin(long a, long b)
abstract IntegerStamp	stamp(long min, long max)
abstract long	upperBound(IntegerStamp stamp)

Methods inherited from class java.lang.Object

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

Field Detail

bits

protected final int bits

Constructor Detail

IntegerHelper

protected IntegerHelper(int bits)

Method Detail

upperBound

public abstract long upperBound(IntegerStamp stamp)

lowerBound

public abstract long lowerBound(IntegerStamp stamp)

compare

public int compare(long a,
                   long b)

isGreater

public boolean isGreater(long a,
                         long b)

isSmaller

public boolean isSmaller(long a,
                         long b)

isGreaterEqual

public boolean isGreaterEqual(long a,
                              long b)

isSmallerEqual

public boolean isSmallerEqual(long a,
                              long b)

min

public long min(long a,
                long b)

max

public long max(long a,
                long b)

cast

public abstract long cast(long a)

minValue

public abstract long minValue()

maxValue

public abstract long maxValue()

stamp

public abstract IntegerStamp stamp(long min,
                                   long max)

createCompareNode

public abstract LogicNode createCompareNode(ValueNode x,
                                            ValueNode y,
                                            NodeView view)

rawCompare

protected abstract int rawCompare(long a,
                                  long b)

rawMin

protected abstract long rawMin(long a,
                               long b)

rawMax

protected abstract long rawMax(long a,
                               long b)