/*
* THIS FILE IS MACHINE_GENERATED. DO NOT EDIT.
* See InstructionFormats.template, InstructionFormatList.dat,
* OperatorList.dat, etc.
*/
package org.jikesrvm.compilers.opt.ir;
import org.jikesrvm.VM_Configuration;
import org.jikesrvm.compilers.opt.ir.ia32.OPT_IA32ConditionOperand; //NOPMD
/**
* The Empty InstructionFormat class.
*
* The header comment for {@link OPT_Instruction} contains
* an explanation of the role of InstructionFormats in the
* opt compiler's IR.
*/
@SuppressWarnings("unused") // Machine generated code is never 100% clean
public final class Empty extends OPT_InstructionFormat {
/**
* InstructionFormat identification method for Empty.
* @param i an instruction
* @return <code>true</code> if the InstructionFormat of the argument
* instruction is Empty or <code>false</code>
* if it is not.
*/
public static boolean conforms(OPT_Instruction i) {
return conforms(i.operator);
}
/**
* InstructionFormat identification method for Empty.
* @param o an instruction
* @return <code>true</code> if the InstructionFormat of the argument
* operator is Empty or <code>false</code>
* if it is not.
*/
public static boolean conforms(OPT_Operator o) {
return o.format == Empty_format;
}
/**
* Create an instruction of the Empty instruction format.
* @param o the instruction's operator
* @return the newly created Empty instruction
*/
public static OPT_Instruction create(OPT_Operator o
)
{
if (VM_Configuration.ExtremeAssertions && !conforms(o)) fail(o, "Empty");
OPT_Instruction i = new OPT_Instruction(o, 5);
return i;
}
/**
* Mutate the argument instruction into an instruction of the
* Empty instruction format having the specified
* operator and operands.
* @param i the instruction to mutate
* @param o the instruction's operator
* @return the mutated instruction
*/
public static OPT_Instruction mutate(OPT_Instruction i, OPT_Operator o
)
{
if (VM_Configuration.ExtremeAssertions && !conforms(o)) fail(o, "Empty");
i.operator = o;
return i;
}
}