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Issue 7112032: Re-land r8140: Deoptimize on never-executed code-paths. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 9 years, 6 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 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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796 allocator_->RecordTemporary(operand); 796 allocator_->RecordTemporary(operand);
797 return operand; 797 return operand;
798 } 798 }
799 799
800 800
801 LInstruction* LChunkBuilder::DoBlockEntry(HBlockEntry* instr) { 801 LInstruction* LChunkBuilder::DoBlockEntry(HBlockEntry* instr) {
802 return new LLabel(instr->block()); 802 return new LLabel(instr->block());
803 } 803 }
804 804
805 805
806 LInstruction* LChunkBuilder::DoSoftDeoptimize(HSoftDeoptimize* instr) {
807 return AssignEnvironment(new LDeoptimize);
808 }
809
810
806 LInstruction* LChunkBuilder::DoDeoptimize(HDeoptimize* instr) { 811 LInstruction* LChunkBuilder::DoDeoptimize(HDeoptimize* instr) {
807 return AssignEnvironment(new LDeoptimize); 812 return AssignEnvironment(new LDeoptimize);
808 } 813 }
809 814
810 815
811 LInstruction* LChunkBuilder::DoBit(Token::Value op, 816 LInstruction* LChunkBuilder::DoBit(Token::Value op,
812 HBitwiseBinaryOperation* instr) { 817 HBitwiseBinaryOperation* instr) {
813 if (instr->representation().IsInteger32()) { 818 if (instr->representation().IsInteger32()) {
814 ASSERT(instr->left()->representation().IsInteger32()); 819 ASSERT(instr->left()->representation().IsInteger32());
815 ASSERT(instr->right()->representation().IsInteger32()); 820 ASSERT(instr->right()->representation().IsInteger32());
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2229 LOperand* key = UseOrConstantAtStart(instr->key()); 2234 LOperand* key = UseOrConstantAtStart(instr->key());
2230 LOperand* object = UseOrConstantAtStart(instr->object()); 2235 LOperand* object = UseOrConstantAtStart(instr->object());
2231 LIn* result = new LIn(key, object); 2236 LIn* result = new LIn(key, object);
2232 return MarkAsCall(DefineFixed(result, rax), instr); 2237 return MarkAsCall(DefineFixed(result, rax), instr);
2233 } 2238 }
2234 2239
2235 2240
2236 } } // namespace v8::internal 2241 } } // namespace v8::internal
2237 2242
2238 #endif // V8_TARGET_ARCH_X64 2243 #endif // V8_TARGET_ARCH_X64
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