jdk.internal.jvmci.code

Class ValueUtil

java.lang.Object

jdk.internal.jvmci.code.ValueUtil

public final class ValueUtil
extends Object

Utility class for working with the Value class and its subclasses.

Constructor Summary

Constructors

Constructor and Description
ValueUtil()

Method Summary

Modifier and Type	Method and Description
static AllocatableValue	asAllocatableValue(Value value)
static JavaConstant	asConstant(Value value)
static Register	asDoubleReg(Value value)
static Register	asFloatReg(Value value)
static Register	asIntReg(Value value)
static Register	asLongReg(Value value)
static Register	asObjectReg(Value value)
static Register	asRegister(Value value)
static StackSlot	asStackSlot(Value value)
static StackSlotValue	asStackSlotValue(Value value)
static VirtualObject	asVirtualObject(Value value)
static VirtualStackSlot	asVirtualStackSlot(Value value)
private static List<Register>	collectRegisters(Object[] values, List<Register> registers)
static boolean	differentRegisters(Object... values) Checks if all the provided values are different physical registers.
static boolean	isAllocatableValue(Value value)
static boolean	isConstant(Value value)
static boolean	isIllegal(Value value)
static boolean	isLegal(Value value)
static boolean	isRegister(Value value)
static boolean	isStackSlot(Value value)
static boolean	isStackSlotValue(Value value)
static boolean	isVirtualObject(Value value)
static boolean	isVirtualStackSlot(Value value)
static boolean	sameRegister(Value v1, Value v2)
static boolean	sameRegister(Value v1, Value v2, Value v3)

Methods inherited from class java.lang.Object

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

Constructor Detail

ValueUtil

public ValueUtil()

Method Detail

isIllegal

public static boolean isIllegal(Value value)

isLegal

public static boolean isLegal(Value value)

isVirtualObject

public static boolean isVirtualObject(Value value)

asVirtualObject

public static VirtualObject asVirtualObject(Value value)

isConstant

public static boolean isConstant(Value value)

asConstant

public static JavaConstant asConstant(Value value)

isAllocatableValue

public static boolean isAllocatableValue(Value value)

asAllocatableValue

public static AllocatableValue asAllocatableValue(Value value)

isStackSlot

public static boolean isStackSlot(Value value)

asStackSlot

public static StackSlot asStackSlot(Value value)

isStackSlotValue

public static boolean isStackSlotValue(Value value)

asStackSlotValue

public static StackSlotValue asStackSlotValue(Value value)

isVirtualStackSlot

public static boolean isVirtualStackSlot(Value value)

asVirtualStackSlot

public static VirtualStackSlot asVirtualStackSlot(Value value)

isRegister

public static boolean isRegister(Value value)

asRegister

public static Register asRegister(Value value)

asIntReg

public static Register asIntReg(Value value)

asLongReg

public static Register asLongReg(Value value)

asObjectReg

public static Register asObjectReg(Value value)

asFloatReg

public static Register asFloatReg(Value value)

asDoubleReg

public static Register asDoubleReg(Value value)

sameRegister

public static boolean sameRegister(Value v1,
                                   Value v2)

sameRegister

public static boolean sameRegister(Value v1,
                                   Value v2,
                                   Value v3)

differentRegisters

public static boolean differentRegisters(Object... values)

Checks if all the provided values are different physical registers. The parameters can be either registers, values or arrays of them. All values that are not registers are ignored.

collectRegisters

private static List<Register> collectRegisters(Object[] values,
                                               List<Register> registers)