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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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4647 BAILOUT("delete with global variable"); | 4647 BAILOUT("delete with global variable"); |
4648 } else { | 4648 } else { |
4649 BAILOUT("delete with non-global variable"); | 4649 BAILOUT("delete with non-global variable"); |
4650 } | 4650 } |
4651 } else if (op == Token::NOT) { | 4651 } else if (op == Token::NOT) { |
4652 if (ast_context()->IsTest()) { | 4652 if (ast_context()->IsTest()) { |
4653 TestContext* context = TestContext::cast(ast_context()); | 4653 TestContext* context = TestContext::cast(ast_context()); |
4654 VisitForControl(expr->expression(), | 4654 VisitForControl(expr->expression(), |
4655 context->if_false(), | 4655 context->if_false(), |
4656 context->if_true()); | 4656 context->if_true()); |
4657 } else { | 4657 } else if (ast_context()->IsValue()) { |
4658 HSubgraph* true_graph = CreateEmptySubgraph(); | 4658 HSubgraph* true_graph = CreateEmptySubgraph(); |
4659 HSubgraph* false_graph = CreateEmptySubgraph(); | 4659 HSubgraph* false_graph = CreateEmptySubgraph(); |
4660 VISIT_FOR_CONTROL(expr->expression(), | 4660 VISIT_FOR_CONTROL(expr->expression(), |
4661 false_graph->entry_block(), | 4661 false_graph->entry_block(), |
4662 true_graph->entry_block()); | 4662 true_graph->entry_block()); |
4663 true_graph->entry_block()->SetJoinId(expr->expression()->id()); | 4663 true_graph->entry_block()->SetJoinId(expr->expression()->id()); |
4664 true_graph->environment()->Push(graph_->GetConstantTrue()); | 4664 true_graph->environment()->Push(graph_->GetConstantTrue()); |
4665 | 4665 |
4666 false_graph->entry_block()->SetJoinId(expr->expression()->id()); | 4666 false_graph->entry_block()->SetJoinId(expr->expression()->id()); |
4667 false_graph->environment()->Push(graph_->GetConstantFalse()); | 4667 false_graph->environment()->Push(graph_->GetConstantFalse()); |
4668 | 4668 |
4669 current_subgraph_->AppendJoin(true_graph, false_graph, expr); | 4669 current_subgraph_->AppendJoin(true_graph, false_graph, expr); |
4670 ast_context()->ReturnValue(Pop()); | 4670 ast_context()->ReturnValue(Pop()); |
| 4671 } else { |
| 4672 ASSERT(ast_context()->IsEffect()); |
| 4673 VISIT_FOR_EFFECT(expr->expression()); |
4671 } | 4674 } |
| 4675 |
4672 } else if (op == Token::BIT_NOT || op == Token::SUB) { | 4676 } else if (op == Token::BIT_NOT || op == Token::SUB) { |
4673 VISIT_FOR_VALUE(expr->expression()); | 4677 VISIT_FOR_VALUE(expr->expression()); |
4674 HValue* value = Pop(); | 4678 HValue* value = Pop(); |
4675 HInstruction* instr = NULL; | 4679 HInstruction* instr = NULL; |
4676 switch (op) { | 4680 switch (op) { |
4677 case Token::BIT_NOT: | 4681 case Token::BIT_NOT: |
4678 instr = new HBitNot(value); | 4682 instr = new HBitNot(value); |
4679 break; | 4683 break; |
4680 case Token::SUB: | 4684 case Token::SUB: |
4681 instr = new HMul(graph_->GetConstantMinus1(), value); | 4685 instr = new HMul(graph_->GetConstantMinus1(), value); |
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6037 } | 6041 } |
6038 } | 6042 } |
6039 | 6043 |
6040 #ifdef DEBUG | 6044 #ifdef DEBUG |
6041 if (graph_ != NULL) graph_->Verify(); | 6045 if (graph_ != NULL) graph_->Verify(); |
6042 if (allocator_ != NULL) allocator_->Verify(); | 6046 if (allocator_ != NULL) allocator_->Verify(); |
6043 #endif | 6047 #endif |
6044 } | 6048 } |
6045 | 6049 |
6046 } } // namespace v8::internal | 6050 } } // namespace v8::internal |
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