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Issue 104243002: Revert "Use constant types to represent the fixed right arg of a MOD." (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years ago
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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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564 VariableProxy* proxy = expr->expression()->AsVariableProxy(); 564 VariableProxy* proxy = expr->expression()->AsVariableProxy();
565 if (proxy != NULL && proxy->var()->IsStackAllocated()) { 565 if (proxy != NULL && proxy->var()->IsStackAllocated()) {
566 store_.Seq(variable_index(proxy->var()), Effect(expr->bounds())); 566 store_.Seq(variable_index(proxy->var()), Effect(expr->bounds()));
567 } 567 }
568 } 568 }
569 569
570 570
571 void AstTyper::VisitBinaryOperation(BinaryOperation* expr) { 571 void AstTyper::VisitBinaryOperation(BinaryOperation* expr) {
572 // Collect type feedback. 572 // Collect type feedback.
573 Handle<Type> type, left_type, right_type; 573 Handle<Type> type, left_type, right_type;
574 Maybe<int> fixed_right_arg;
574 oracle()->BinaryType(expr->BinaryOperationFeedbackId(), 575 oracle()->BinaryType(expr->BinaryOperationFeedbackId(),
575 &left_type, &right_type, &type, expr->op()); 576 &left_type, &right_type, &type, &fixed_right_arg, expr->op());
576 NarrowLowerType(expr, type); 577 NarrowLowerType(expr, type);
577 NarrowLowerType(expr->left(), left_type); 578 NarrowLowerType(expr->left(), left_type);
578 NarrowLowerType(expr->right(), right_type); 579 NarrowLowerType(expr->right(), right_type);
580 expr->set_fixed_right_arg(fixed_right_arg);
579 if (expr->op() == Token::OR || expr->op() == Token::AND) { 581 if (expr->op() == Token::OR || expr->op() == Token::AND) {
580 expr->left()->RecordToBooleanTypeFeedback(oracle()); 582 expr->left()->RecordToBooleanTypeFeedback(oracle());
581 } 583 }
582 584
583 switch (expr->op()) { 585 switch (expr->op()) {
584 case Token::COMMA: 586 case Token::COMMA:
585 RECURSE(Visit(expr->left())); 587 RECURSE(Visit(expr->left()));
586 RECURSE(Visit(expr->right())); 588 RECURSE(Visit(expr->right()));
587 NarrowType(expr, expr->right()->bounds()); 589 NarrowType(expr, expr->right()->bounds());
588 break; 590 break;
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733 void AstTyper::VisitModuleUrl(ModuleUrl* module) { 735 void AstTyper::VisitModuleUrl(ModuleUrl* module) {
734 } 736 }
735 737
736 738
737 void AstTyper::VisitModuleStatement(ModuleStatement* stmt) { 739 void AstTyper::VisitModuleStatement(ModuleStatement* stmt) {
738 RECURSE(Visit(stmt->body())); 740 RECURSE(Visit(stmt->body()));
739 } 741 }
740 742
741 743
742 } } // namespace v8::internal 744 } } // namespace v8::internal
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