/*
* This file is part of the Jikes RVM project (http://jikesrvm.org).
*
* This file is licensed to You under the Eclipse Public License (EPL);
* You may not use this file except in compliance with the License. You
* may obtain a copy of the License at
*
* http://www.opensource.org/licenses/eclipse-1.0.php
*
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership.
*/
package org.jikesrvm.compilers.opt.ir;
import org.jikesrvm.ArchitectureSpecific.CodeArray;
import org.jikesrvm.compilers.opt.regalloc.LinearScan;
import org.jikesrvm.osr.VariableMap;
/**
* Wrapper class around IR info that is valid on the MIR
*/
public final class MIRInfo {
/**
* The generated machinecodes produced by this compilation of 'method'
*/
public CodeArray machinecode;
/**
* Estimate produced by FinalMIRExpansion and used by
* Assembler to create code array; only meaningful on PowerPC
*/
public int mcSizeEstimate;
/**
* The IRMap for the method (symbolic GCMapping info)
*/
public GCIRMap gcIRMap;
public VariableMap osrVarMap;
/**
* The frame size of the current method
*/
public int FrameSize;
/**
* The number of floating point stack slots allocated.
* (Only used on IA32)
*/
public int fpStackHeight;
/**
* A basic block holding the call to Thread.threadSwitch for a
* prologue.
*/
public BasicBlock prologueYieldpointBlock = null;
/**
* A basic block holding the call to Thread.threadSwitch for an
* epilogue.
*/
public BasicBlock epilogueYieldpointBlock = null;
/**
* A basic block holding the call to Thread.threadSwitch for a
* backedge.
*/
public BasicBlock backedgeYieldpointBlock = null;
/**
* A basic block holding the call to yieldpointFromOsrOpt for an
* OSR invalidation.
*/
public BasicBlock osrYieldpointBlock = null;
/**
* Information needed for linear scan.
*/
public LinearScan.LinearScanState linearScanState = null;
public MIRInfo(IR ir) {
ir.compiledMethod.setSaveVolatile(ir.method.getDeclaringClass().hasSaveVolatileAnnotation());
ir.compiledMethod.setOptLevel(ir.options.getOptLevel());
}
}