Package com.tonic.analysis.ssa.ir

Class LoadLocalInstruction

java.lang.Object

com.tonic.analysis.ssa.ir.IRInstruction

com.tonic.analysis.ssa.ir.LoadLocalInstruction

public class LoadLocalInstruction
extends IRInstruction

A load from a local variable slot, used during lifting before SSA conversion.

Constructor Summary

Constructors

Constructor	Description
LoadLocalInstruction(SSAValue result, int localIndex)	Creates a local load.

Method Summary

Modifier and Type	Method	Description
<T> T	accept(IRVisitor<T> visitor)	Accepts a visitor for this instruction.
IRInstruction	copyWithNewOperands(SSAValue newResult, List<Value> newOperands)	Creates a copy of this instruction with new result and operands.
int	getLocalIndex()
List<Value>	getOperands()	Gets the operands used by this instruction.
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

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

LoadLocalInstruction

public LoadLocalInstruction(SSAValue result,
                            int localIndex)

Creates a local load.

Parameters:

result - the SSA value receiving the loaded value

localIndex - the local variable slot to read

Method Detail

getLocalIndex

public int getLocalIndex()

Returns:

the local index

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

copyWithNewOperands

public IRInstruction copyWithNewOperands(SSAValue newResult,
                                         List<Value> newOperands)

Description copied from class: IRInstruction

Creates a copy of this instruction with new result and operands.

Overrides:

copyWithNewOperands in class IRInstruction

Parameters:

newResult - the new result value (may be null)

newOperands - the new operand values

Returns:

a copy of this instruction, or null if copying not supported

toString

public String toString()

Overrides:

toString in class Object