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/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _DALVIK_VM_LOOP
#define _DALVIK_VM_LOOP
#include "Dalvik.h"
#include "CompilerInternals.h"
typedef struct LoopAnalysis {
BitVector *isIndVarV; // length == numSSAReg
GrowableList *ivList; // induction variables
GrowableList *arrayAccessInfo; // hoisted checks for array accesses
int numBasicIV; // number of basic induction variables
int ssaBIV; // basic IV in SSA name
bool isCountUpLoop; // count up or down loop
OpCode loopBranchOpcode; // OP_IF_XXX for the loop back branch
int endConditionReg; // vB in "vA op vB"
LIR *branchToBody; // branch over to the body from entry
LIR *branchToPCR; // branch over to the PCR cell
bool bodyIsClean; // loop body cannot throw any exceptions
} LoopAnalysis;
#endif /* _DALVIK_VM_LOOP */
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