org.jikesrvm.compilers.opt.ir.operand

Class HeapOperand<T>

java.lang.Object

org.jikesrvm.compilers.opt.ir.operand.Operand

org.jikesrvm.compilers.opt.ir.operand.HeapOperand<T>

public final class HeapOperand<T>
extends Operand

Represents a heap variable for instructions in Heap Array SSA form.

See Also:

Operand, HeapVariable

Field Summary

Fields

Modifier and Type	Field and Description
HeapVariable<T>	value The heap variable corresponding to this operand.

Fields inherited from class org.jikesrvm.compilers.opt.ir.operand.Operand

instruction

Constructor Summary

Constructors

Constructor and Description
HeapOperand(HeapVariable<T> heap) Construct an operand corresponding to a heap variable.

Method Summary

Modifier and Type	Method and Description
HeapOperand<T>	copy() Construct a new heap operand associated with the same heap variable as this operand
T	getHeapType() Return the type corresponding to the heap variable associated with this operand.
HeapVariable<T>	getHeapVariable() Return the heap variable corresponding to this operand.
Instruction	getInstruction() Return the instruction associated with this operand.
int	getNumber() Return the number of the heap variable corresponding to this operand.
void	setInstruction(Instruction s) Associate this operand with a given instruction.
boolean	similar(Operand op) Does this operand correspond to the same heap variable as another heap operand?
String	toString() Return a string representation of this operand.

Methods inherited from class org.jikesrvm.compilers.opt.ir.operand.Operand

asAddressConstant, asBlock, asBranch, asClassConstant, asCondition, asDoubleConstant, asFloatConstant, asIntConstant, asLocation, asLongConstant, asMemory, asMethod, asNullConstant, asObjectConstant, asRegister, asStackLocation, asStringConstant, asTIBConstant, asType, conservativelyApproximates, getIndexInInstruction, getType, isAddress, isAddressConstant, isBlock, isBranch, isClassConstant, isConstant, isDefinitelyNull, isDouble, isDoubleConstant, isFloat, isFloatConstant, isInt, isIntConstant, isIntLike, isLocation, isLong, isLongConstant, isMemory, isMethod, isMovableObjectConstant, isNullConstant, isObjectConstant, isRef, isRegister, isStackLocation, isStringConstant, isTIBConstant, isTrueGuard, isType, meet

Methods inherited from class java.lang.Object

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

Field Detail

value

public final HeapVariable<T> value

The heap variable corresponding to this operand.

Constructor Detail

HeapOperand

public HeapOperand(HeapVariable<T> heap)

Construct an operand corresponding to a heap variable.

Parameters:

heap - the heap variable corresponding to this operand.

Method Detail

getHeapVariable

public HeapVariable<T> getHeapVariable()

Return the heap variable corresponding to this operand.

Returns:

the heap variable corresponding to this operand.

getNumber

public int getNumber()

Return the number of the heap variable corresponding to this operand.

Returns:

the number of the heap variable corresponding to this operand.

getHeapType

public T getHeapType()

Return the type corresponding to the heap variable associated with this operand.

Returns:

the type corresponding to the heap variable associated with this operand.

copy

public HeapOperand<T> copy()

Construct a new heap operand associated with the same heap variable as this operand

Specified by:

copy in class Operand

Returns:

a new heap operand associated with the same heap variable as this operand

similar

public boolean similar(Operand op)

Does this operand correspond to the same heap variable as another heap operand?

Specified by:

similar in class Operand

Parameters:

op - the second operand to compare with

Returns:

true or false

toString

public String toString()

Return a string representation of this operand.

Overrides:

toString in class Object

Returns:

a string representation of this operand.

setInstruction

public void setInstruction(Instruction s)

Associate this operand with a given instruction.

Parameters:

s - the associated instruction

getInstruction

public Instruction getInstruction()

Return the instruction associated with this operand.

Returns:

the instruction associated with this operand.