Package com.tonic.analysis.ssa.ir

Class ArrayAccessInstruction

java.lang.Object

com.tonic.analysis.ssa.ir.IRInstruction

com.tonic.analysis.ssa.ir.ArrayAccessInstruction

public class ArrayAccessInstruction
extends IRInstruction

An array element load or store, distinguished by its AccessMode.

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.
static ArrayAccessInstruction	createLoad(SSAValue result, Value array, Value index)	Creates an array element load.
static ArrayAccessInstruction	createStore(Value array, Value index, Value value)	Creates an array element store.
Value	getArray()
Value	getIndex()
AccessMode	getMode()
List<Value>	getOperands()	Gets the operands used by this instruction.
Value	getValue()
boolean	isLoad()
boolean	isStore()
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

Method Detail

createLoad

public static ArrayAccessInstruction createLoad(SSAValue result,
                                                Value array,
                                                Value index)

Creates an array element load.

Parameters:

result - the SSA value receiving the loaded element

array - the array reference

index - the element index

Returns:

the load instruction

createStore

public static ArrayAccessInstruction createStore(Value array,
                                                 Value index,
                                                 Value value)

Creates an array element store.

Parameters:

array - the array reference

index - the element index

value - the value to store

Returns:

the store instruction

getMode

public AccessMode getMode()

Returns:

the mode

getArray

public Value getArray()

Returns:

the array

getIndex

public Value getIndex()

Returns:

the index

getValue

public Value getValue()

Returns:

the value

isLoad

public boolean isLoad()

Returns:

true if this access is a load

isStore

public boolean isStore()

Returns:

true if this access is a store

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