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buzbee311ca162013-02-28 15:56:43 -08001/*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ART_SRC_COMPILER_DEX_DATAFLOW_ITERATOR_H_
18#define ART_SRC_COMPILER_DEX_DATAFLOW_ITERATOR_H_
19
20#include "compiler_ir.h"
21#include "mir_graph.h"
22
23namespace art {
24
25 class DataflowIterator {
26 public:
27 DataflowIterator(MIRGraph* mir_graph, DataFlowAnalysisMode dfa_mode, bool is_iterative);
28 ~DataflowIterator(){}
29
30 BasicBlock* Next(bool had_change);
31 BasicBlock* Next();
32
33 private:
34 // TODO: rework this class.
35 MIRGraph* mir_graph_;
36 DataFlowAnalysisMode mode_;
37 bool is_iterative_;
38 bool changed_;
39 int start_idx_;
40 int end_idx_;
41 int idx_;
42 bool reverse_;
43 GrowableList* block_id_list_;
44 GrowableListIterator all_nodes_iterator_;
45
46 BasicBlock* NextBody(bool had_change);
47
48 }; // DataflowIterator
49} // namespace art
50
51#endif // ART_SRC_COMPILER_DEX_DATAFLOW_ITERATOR_H_