Package com.tonic.analysis.ssa.ir

Class CopyInstruction

java.lang.Object

com.tonic.analysis.ssa.ir.IRInstruction

com.tonic.analysis.ssa.ir.CopyInstruction

public class CopyInstruction
extends IRInstruction

A value copy, inserted mainly during phi elimination.

Constructor Summary

Constructors

Constructor	Description
CopyInstruction(SSAValue result, Value source)	Creates a copy and registers a use of an SSA source.

Method Summary

Modifier and Type	Method	Description
<T> T	accept(IRVisitor<T> visitor)	Accepts a visitor for this instruction.
List<Value>	getOperands()	Gets the operands used by this instruction.
Value	getSource()
void	replaceOperand(Value oldValue, Value newValue)	Replaces an operand value with a new value.
String	toString()

Methods inherited from class com.tonic.analysis.ssa.ir.IRInstruction

copyWithNewOperands, equals, getBlock, getBytecodeOffset, getId, getResult, getResultType, hashCode, hasResult, isPhi, isTerminator, replaceTarget, resetIdCounter, setBlock, setBytecodeOffset, setResult

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

CopyInstruction

public CopyInstruction(SSAValue result,
                       Value source)

Creates a copy and registers a use of an SSA source.

Parameters:

result - the SSA value receiving the copy

source - the value being copied

Method Detail

getSource

public Value getSource()

Returns:

the source

getOperands

public List<Value> getOperands()

Description copied from class: IRInstruction

Gets the operands used by this instruction.

Specified by:

getOperands in class IRInstruction

Returns:

list of operand values

replaceOperand

public void replaceOperand(Value oldValue,
                           Value newValue)

Description copied from class: IRInstruction

Replaces an operand value with a new value.

Specified by:

replaceOperand in class IRInstruction

Parameters:

oldValue - the value to replace

newValue - the replacement value

accept

public <T> T accept(IRVisitor<T> visitor)

Description copied from class: IRInstruction

Accepts a visitor for this instruction.

Specified by:

accept in class IRInstruction

Type Parameters:

T - the return type

Parameters:

visitor - the visitor to accept

Returns:

the visitor result

toString

public String toString()

Overrides:

toString in class Object