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Side by Side Diff: sdk/lib/_internal/compiler/implementation/ssa/value_range_analyzer.dart

Issue 14404004: Throw NoSuchMethod or ArgumentError instead of generating a bailout, when we know the next instruct… (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 7 years, 8 months ago
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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 part of ssa; 5 part of ssa;
6 6
7 7
8 class ValueRangeInfo { 8 class ValueRangeInfo {
9 final ConstantSystem constantSystem; 9 final ConstantSystem constantSystem;
10 10
(...skipping 767 matching lines...) Expand 10 before | Expand all | Expand 10 after
778 return ranges[instruction.checkedInput]; 778 return ranges[instruction.checkedInput];
779 } 779 }
780 780
781 HInstruction createRangeConversion(HInstruction cursor, 781 HInstruction createRangeConversion(HInstruction cursor,
782 HInstruction instruction) { 782 HInstruction instruction) {
783 HRangeConversion newInstruction = new HRangeConversion(instruction); 783 HRangeConversion newInstruction = new HRangeConversion(instruction);
784 conversions.add(newInstruction); 784 conversions.add(newInstruction);
785 cursor.block.addBefore(cursor, newInstruction); 785 cursor.block.addBefore(cursor, newInstruction);
786 // Update the users of the instruction dominated by [cursor] to 786 // Update the users of the instruction dominated by [cursor] to
787 // use the new instruction, that has an narrower range. 787 // use the new instruction, that has an narrower range.
788 Set<HInstruction> dominatedUsers = instruction.dominatedUsers(cursor); 788 instruction.replaceAllUsersDominatedBy(cursor, newInstruction);
789 for (HInstruction user in dominatedUsers) {
790 user.changeUse(instruction, newInstruction);
791 }
792 return newInstruction; 789 return newInstruction;
793 } 790 }
794 791
795 static BinaryOperation reverseOperation(BinaryOperation operation) { 792 static BinaryOperation reverseOperation(BinaryOperation operation) {
796 if (operation == const LessOperation()) { 793 if (operation == const LessOperation()) {
797 return const GreaterEqualOperation(); 794 return const GreaterEqualOperation();
798 } else if (operation == const LessEqualOperation()) { 795 } else if (operation == const LessEqualOperation()) {
799 return const GreaterOperation(); 796 return const GreaterOperation();
800 } else if (operation == const GreaterOperation()) { 797 } else if (operation == const GreaterOperation()) {
801 return const LessEqualOperation(); 798 return const LessEqualOperation();
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986 if (instruction is HPhi && !instruction.block.isLoopHeader()) { 983 if (instruction is HPhi && !instruction.block.isLoopHeader()) {
987 HInstruction result = unwrap(instruction.inputs[0]); 984 HInstruction result = unwrap(instruction.inputs[0]);
988 for (int i = 1; i < instruction.inputs.length; i++) { 985 for (int i = 1; i < instruction.inputs.length; i++) {
989 if (result != unwrap(instruction.inputs[i])) return instruction; 986 if (result != unwrap(instruction.inputs[i])) return instruction;
990 } 987 }
991 return result; 988 return result;
992 } 989 }
993 return instruction; 990 return instruction;
994 } 991 }
995 } 992 }
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