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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 #include "vm/compiler.h" | 5 #include "vm/compiler.h" |
6 | 6 |
7 #include "vm/assembler.h" | 7 #include "vm/assembler.h" |
8 | 8 |
9 #include "vm/ast_printer.h" | 9 #include "vm/ast_printer.h" |
10 #include "vm/code_generator.h" | 10 #include "vm/code_generator.h" |
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239 } | 239 } |
240 | 240 |
241 if (FLAG_range_analysis) { | 241 if (FLAG_range_analysis) { |
242 // We have to perform range analysis after LICM because it | 242 // We have to perform range analysis after LICM because it |
243 // optimistically moves CheckSmi through phis into loop preheaders | 243 // optimistically moves CheckSmi through phis into loop preheaders |
244 // making some phis smi. | 244 // making some phis smi. |
245 flow_graph->ComputeUseLists(); | 245 flow_graph->ComputeUseLists(); |
246 optimizer.InferSmiRanges(); | 246 optimizer.InferSmiRanges(); |
247 } | 247 } |
248 | 248 |
| 249 // The final canonicalization pass before the code generation. |
| 250 optimizer.Canonicalize(); |
| 251 |
249 // Perform register allocation on the SSA graph. | 252 // Perform register allocation on the SSA graph. |
250 FlowGraphAllocator allocator(*flow_graph); | 253 FlowGraphAllocator allocator(*flow_graph); |
251 allocator.AllocateRegisters(); | 254 allocator.AllocateRegisters(); |
252 | 255 |
253 if (FLAG_print_flow_graph || FLAG_print_flow_graph_optimized) { | 256 if (FLAG_print_flow_graph || FLAG_print_flow_graph_optimized) { |
254 OS::Print("After Optimizations:\n"); | 257 OS::Print("After Optimizations:\n"); |
255 FlowGraphPrinter printer(*flow_graph); | 258 FlowGraphPrinter printer(*flow_graph); |
256 printer.PrintBlocks(); | 259 printer.PrintBlocks(); |
257 } | 260 } |
258 } | 261 } |
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637 Object::Handle(isolate->object_store()->sticky_error()); | 640 Object::Handle(isolate->object_store()->sticky_error()); |
638 isolate->object_store()->clear_sticky_error(); | 641 isolate->object_store()->clear_sticky_error(); |
639 isolate->set_long_jump_base(base); | 642 isolate->set_long_jump_base(base); |
640 return result.raw(); | 643 return result.raw(); |
641 } | 644 } |
642 UNREACHABLE(); | 645 UNREACHABLE(); |
643 return Object::null(); | 646 return Object::null(); |
644 } | 647 } |
645 | 648 |
646 } // namespace dart | 649 } // namespace dart |
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