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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #ifndef VM_FLOW_GRAPH_BUILDER_H_ | 5 #ifndef VM_FLOW_GRAPH_BUILDER_H_ |
6 #define VM_FLOW_GRAPH_BUILDER_H_ | 6 #define VM_FLOW_GRAPH_BUILDER_H_ |
7 | 7 |
8 #include "vm/allocation.h" | 8 #include "vm/allocation.h" |
9 #include "vm/ast.h" | 9 #include "vm/ast.h" |
10 #include "vm/growable_array.h" | 10 #include "vm/growable_array.h" |
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35 | 35 |
36 // Each try in this function gets its own try index. | 36 // Each try in this function gets its own try index. |
37 intptr_t AllocateTryIndex() { return ++last_used_try_index_; } | 37 intptr_t AllocateTryIndex() { return ++last_used_try_index_; } |
38 | 38 |
39 // Manage the currently active try index. | 39 // Manage the currently active try index. |
40 void set_try_index(intptr_t value) { try_index_ = value; } | 40 void set_try_index(intptr_t value) { try_index_ = value; } |
41 intptr_t try_index() const { return try_index_; } | 41 intptr_t try_index() const { return try_index_; } |
42 | 42 |
43 void AddCatchEntry(TargetEntryInstr* entry); | 43 void AddCatchEntry(TargetEntryInstr* entry); |
44 | 44 |
| 45 intptr_t current_ssa_temp_index() const { |
| 46 return current_ssa_temp_index_; |
| 47 } |
| 48 |
45 private: | 49 private: |
46 void ComputeDominators(GrowableArray<BlockEntryInstr*>* preorder, | 50 void ComputeDominators(GrowableArray<BlockEntryInstr*>* preorder, |
47 GrowableArray<intptr_t>* parent, | 51 GrowableArray<intptr_t>* parent, |
48 GrowableArray<BitVector*>* dominance_frontier); | 52 GrowableArray<BitVector*>* dominance_frontier); |
49 | 53 |
50 void CompressPath(intptr_t start_index, | 54 void CompressPath(intptr_t start_index, |
51 intptr_t current_index, | 55 intptr_t current_index, |
52 GrowableArray<intptr_t>* parent, | 56 GrowableArray<intptr_t>* parent, |
53 GrowableArray<intptr_t>* label); | 57 GrowableArray<intptr_t>* label); |
54 | 58 |
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321 // Output parameters. | 325 // Output parameters. |
322 TargetEntryInstr** true_successor_address_; | 326 TargetEntryInstr** true_successor_address_; |
323 TargetEntryInstr** false_successor_address_; | 327 TargetEntryInstr** false_successor_address_; |
324 | 328 |
325 intptr_t condition_token_index_; | 329 intptr_t condition_token_index_; |
326 }; | 330 }; |
327 | 331 |
328 } // namespace dart | 332 } // namespace dart |
329 | 333 |
330 #endif // VM_FLOW_GRAPH_BUILDER_H_ | 334 #endif // VM_FLOW_GRAPH_BUILDER_H_ |
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