com.oracle.graal.nodes.calc

Class IntegerConvertNode<OP,REV>

java.lang.Object

com.oracle.graal.graph.Node

com.oracle.graal.nodes.ValueNode

com.oracle.graal.nodes.calc.FloatingNode

com.oracle.graal.nodes.calc.UnaryNode

com.oracle.graal.nodes.calc.IntegerConvertNode<OP,REV>

All Implemented Interfaces:

Node.ValueNumberable, NodeInterface, Canonicalizable, Canonicalizable.Unary<ValueNode>, ArithmeticOperation, ConvertNode, ArithmeticLIRLowerable, Cloneable, Formattable, KindProvider

Direct Known Subclasses:

NarrowNode, SignExtendNode, ZeroExtendNode

public abstract class IntegerConvertNode<OP,REV>
extends UnaryNode
implements ConvertNode, ArithmeticLIRLowerable

An IntegerConvert converts an integer to an integer of different width.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static interface	IntegerConvertNode.SerializableIntegerConvertFunction<T>

Nested classes/interfaces inherited from class com.oracle.graal.graph.Node

Node.ConstantNodeParameter, Node.InjectedNodeParameter, Node.Input, Node.NodeIntrinsic, Node.OptionalInput, Node.Successor, Node.ValueNumberable

Nested classes/interfaces inherited from interface com.oracle.graal.graph.spi.Canonicalizable

Canonicalizable.Binary<T extends Node>, Canonicalizable.BinaryCommutative<T extends Node>, Canonicalizable.Unary<T extends Node>

Field Summary

Fields

Modifier and Type	Field and Description
protected IntegerConvertNode.SerializableIntegerConvertFunction<OP>	getOp
protected IntegerConvertNode.SerializableIntegerConvertFunction<REV>	getReverseOp
protected int	inputBits
protected int	resultBits
static NodeClass<IntegerConvertNode>	TYPE

Fields inherited from class com.oracle.graal.nodes.calc.UnaryNode

value

Fields inherited from class com.oracle.graal.nodes.ValueNode

stamp

Fields inherited from class com.oracle.graal.graph.Node

NODE_LIST, NOT_ITERABLE, USE_UNSAFE_TO_CLONE, WithAllEdges, WithNoEdges, WithOnlyInputEdges, WithOnlySucessorEdges

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	IntegerConvertNode(NodeClass<? extends IntegerConvertNode<OP,REV>> c, IntegerConvertNode.SerializableIntegerConvertFunction<OP> getOp, IntegerConvertNode.SerializableIntegerConvertFunction<REV> getReverseOp, int inputBits, int resultBits, ValueNode input)

Method Summary

Modifier and Type	Method and Description
ValueNode	canonical(CanonicalizerTool tool, ValueNode forValue) Similar to Canonicalizable.canonical(CanonicalizerTool), except that implementations should act as if the current input of the node was the given one, i.e., they should never look at the inputs via the this pointer.
Constant	convert(Constant c, ConstantReflectionProvider constantReflection)
static ValueNode	convert(ValueNode input, Stamp stamp)
static ValueNode	convert(ValueNode input, Stamp stamp, boolean zeroExtend)
static ValueNode	convert(ValueNode input, Stamp stamp, StructuredGraph graph)
static ValueNode	convertUnsigned(ValueNode input, Stamp stamp)
protected static <T> ValueNode	findSynonym(ArithmeticOpTable.IntegerConvertOp<T> operation, ValueNode value, int inputBits, int resultBits, Stamp stamp)
int	getInputBits()
protected ArithmeticOpTable.IntegerConvertOp<OP>	getOp(ValueNode forValue)
int	getResultBits()
boolean	inferStamp() This method can be overridden by subclasses of ValueNode if they need to recompute their stamp if their inputs change.
Constant	reverse(Constant c, ConstantReflectionProvider constantReflection)

Methods inherited from class com.oracle.graal.nodes.calc.UnaryNode

getValue

Methods inherited from class com.oracle.graal.nodes.calc.FloatingNode

asNode

Methods inherited from class com.oracle.graal.nodes.ValueNode

asConstant, asJavaConstant, getKind, graph, isAllowedUsageType, isConstant, isConstantPredicate, isNullConstant, setStamp, stamp, updateStamp

Methods inherited from class com.oracle.graal.graph.Node

acceptInputs, acceptSuccessors, afterClone, assertFalse, assertTrue, cfgPredecessors, cfgSuccessors, clearInputs, clearSuccessors, copyWithInputs, copyWithInputs, equals, fail, formatTo, getDebugProperties, getDebugProperties, getId, getNodeClass, getUsageAt, getUsageCount, hashCode, hasNoUsages, hasUsages, inputs, isAlive, isDeleted, markDeleted, modCount, newIdentityMap, newIdentityMap, newIdentityMap, newMap, newMap, newMap, newSet, newSet, predecessor, pushInputs, removeUsage, replaceAndDelete, replaceAtMatchingUsages, replaceAtPredecessor, replaceAtUsages, replaceAtUsages, replaceAtUsages, replaceFirstInput, replaceFirstSuccessor, safeDelete, simplify, successors, toString, toString, updatePredecessor, updateUsages, updateUsagesInterface, usages, valueEquals, verify, verifyEdges, verifyInputs

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.oracle.graal.nodes.calc.ConvertNode

asNode, getValue, isLossless, preservesOrder, preservesOrder

Methods inherited from interface com.oracle.graal.nodes.spi.ArithmeticLIRLowerable

generate

Methods inherited from interface com.oracle.graal.graph.spi.Canonicalizable.Unary

canonical

Field Detail

TYPE

public static final NodeClass<IntegerConvertNode> TYPE

getOp

protected final IntegerConvertNode.SerializableIntegerConvertFunction<OP> getOp

getReverseOp

protected final IntegerConvertNode.SerializableIntegerConvertFunction<REV> getReverseOp

inputBits

protected final int inputBits

resultBits

protected final int resultBits

Constructor Detail

IntegerConvertNode

protected IntegerConvertNode(NodeClass<? extends IntegerConvertNode<OP,REV>> c,
                             IntegerConvertNode.SerializableIntegerConvertFunction<OP> getOp,
                             IntegerConvertNode.SerializableIntegerConvertFunction<REV> getReverseOp,
                             int inputBits,
                             int resultBits,
                             ValueNode input)

Method Detail

getInputBits

public int getInputBits()

getResultBits

public int getResultBits()

getOp

protected final ArithmeticOpTable.IntegerConvertOp<OP> getOp(ValueNode forValue)

convert

public Constant convert(Constant c,
                        ConstantReflectionProvider constantReflection)

Specified by:

convert in interface ConvertNode

reverse

public Constant reverse(Constant c,
                        ConstantReflectionProvider constantReflection)

Specified by:

reverse in interface ConvertNode

inferStamp

public boolean inferStamp()

Description copied from class: ValueNode

This method can be overridden by subclasses of ValueNode if they need to recompute their stamp if their inputs change. A typical implementation will compute the stamp and pass it to ValueNode.updateStamp(Stamp), whose return value can be used as the result of this method.

Overrides:

inferStamp in class ValueNode

Returns:

true if the stamp has changed, false otherwise.

canonical

public ValueNode canonical(CanonicalizerTool tool,
                           ValueNode forValue)

Description copied from interface: Canonicalizable.Unary

Similar to Canonicalizable.canonical(CanonicalizerTool), except that implementations should act as if the current input of the node was the given one, i.e., they should never look at the inputs via the this pointer.

Specified by:

canonical in interface Canonicalizable.Unary<ValueNode>

findSynonym

protected static <T> ValueNode findSynonym(ArithmeticOpTable.IntegerConvertOp<T> operation,
                                           ValueNode value,
                                           int inputBits,
                                           int resultBits,
                                           Stamp stamp)

convert

public static ValueNode convert(ValueNode input,
                                Stamp stamp)

convert

public static ValueNode convert(ValueNode input,
                                Stamp stamp,
                                StructuredGraph graph)

convertUnsigned

public static ValueNode convertUnsigned(ValueNode input,
                                        Stamp stamp)

convert

public static ValueNode convert(ValueNode input,
                                Stamp stamp,
                                boolean zeroExtend)