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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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664 block->set_last_instruction_index(end); | 664 block->set_last_instruction_index(end); |
665 } | 665 } |
666 block->set_argument_count(argument_count_); | 666 block->set_argument_count(argument_count_); |
667 current_block_ = NULL; | 667 current_block_ = NULL; |
668 } | 668 } |
669 | 669 |
670 | 670 |
671 void LChunkBuilder::VisitInstruction(HInstruction* current) { | 671 void LChunkBuilder::VisitInstruction(HInstruction* current) { |
672 HInstruction* old_current = current_instruction_; | 672 HInstruction* old_current = current_instruction_; |
673 current_instruction_ = current; | 673 current_instruction_ = current; |
674 if (current->has_position()) position_ = current->position(); | |
675 | 674 |
676 LInstruction* instr = NULL; | 675 LInstruction* instr = NULL; |
677 if (current->CanReplaceWithDummyUses()) { | 676 if (current->CanReplaceWithDummyUses()) { |
678 if (current->OperandCount() == 0) { | 677 if (current->OperandCount() == 0) { |
679 instr = DefineAsRegister(new(zone()) LDummy()); | 678 instr = DefineAsRegister(new(zone()) LDummy()); |
680 } else { | 679 } else { |
681 ASSERT(!current->OperandAt(0)->IsControlInstruction()); | 680 ASSERT(!current->OperandAt(0)->IsControlInstruction()); |
682 instr = DefineAsRegister(new(zone()) | 681 instr = DefineAsRegister(new(zone()) |
683 LDummyUse(UseAny(current->OperandAt(0)))); | 682 LDummyUse(UseAny(current->OperandAt(0)))); |
684 } | 683 } |
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2443 | 2442 |
2444 LInstruction* LChunkBuilder::DoWrapReceiver(HWrapReceiver* instr) { | 2443 LInstruction* LChunkBuilder::DoWrapReceiver(HWrapReceiver* instr) { |
2445 LOperand* receiver = UseRegister(instr->receiver()); | 2444 LOperand* receiver = UseRegister(instr->receiver()); |
2446 LOperand* function = UseRegister(instr->function()); | 2445 LOperand* function = UseRegister(instr->function()); |
2447 LWrapReceiver* result = new(zone()) LWrapReceiver(receiver, function); | 2446 LWrapReceiver* result = new(zone()) LWrapReceiver(receiver, function); |
2448 return AssignEnvironment(DefineAsRegister(result)); | 2447 return AssignEnvironment(DefineAsRegister(result)); |
2449 } | 2448 } |
2450 | 2449 |
2451 | 2450 |
2452 } } // namespace v8::internal | 2451 } } // namespace v8::internal |
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