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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, 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 #include "vm/flow_graph_optimizer.h" | 5 #include "vm/flow_graph_optimizer.h" |
6 | 6 |
7 #include "vm/bit_vector.h" | 7 #include "vm/bit_vector.h" |
8 #include "vm/cha.h" | 8 #include "vm/cha.h" |
9 #include "vm/dart_entry.h" | 9 #include "vm/dart_entry.h" |
10 #include "vm/flow_graph_builder.h" | 10 #include "vm/flow_graph_builder.h" |
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3548 const Function& getter = | 3548 const Function& getter = |
3549 Function::Handle(owner.LookupGetterFunction(field_name)); | 3549 Function::Handle(owner.LookupGetterFunction(field_name)); |
3550 const Function& setter = | 3550 const Function& setter = |
3551 Function::Handle(owner.LookupSetterFunction(field_name)); | 3551 Function::Handle(owner.LookupSetterFunction(field_name)); |
3552 bool result = !getter.IsNull() | 3552 bool result = !getter.IsNull() |
3553 && !setter.IsNull() | 3553 && !setter.IsNull() |
3554 && (setter.usage_counter() > 0) | 3554 && (setter.usage_counter() > 0) |
3555 && (FLAG_getter_setter_ratio * setter.usage_counter() > | 3555 && (FLAG_getter_setter_ratio * setter.usage_counter() > |
3556 getter.usage_counter()); | 3556 getter.usage_counter()); |
3557 if (!result) { | 3557 if (!result) { |
| 3558 if (FLAG_trace_optimization) { |
| 3559 OS::Print("Disabling unboxing of %s\n", field.ToCString()); |
| 3560 } |
3558 field.set_is_unboxing_candidate(false); | 3561 field.set_is_unboxing_candidate(false); |
3559 field.DeoptimizeDependentCode(); | 3562 field.DeoptimizeDependentCode(); |
3560 } else { | 3563 } else { |
3561 FlowGraph::AddToGuardedFields(flow_graph_->guarded_fields(), &field); | 3564 FlowGraph::AddToGuardedFields(flow_graph_->guarded_fields(), &field); |
3562 } | 3565 } |
3563 } | 3566 } |
3564 } | 3567 } |
3565 | 3568 |
3566 | 3569 |
3567 bool FlowGraphOptimizer::TryInlineInstanceSetter(InstanceCallInstr* instr, | 3570 bool FlowGraphOptimizer::TryInlineInstanceSetter(InstanceCallInstr* instr, |
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8113 } | 8116 } |
8114 | 8117 |
8115 // Insert materializations at environment uses. | 8118 // Insert materializations at environment uses. |
8116 for (intptr_t i = 0; i < exits.length(); i++) { | 8119 for (intptr_t i = 0; i < exits.length(); i++) { |
8117 CreateMaterializationAt(exits[i], alloc, alloc->cls(), *fields); | 8120 CreateMaterializationAt(exits[i], alloc, alloc->cls(), *fields); |
8118 } | 8121 } |
8119 } | 8122 } |
8120 | 8123 |
8121 | 8124 |
8122 } // namespace dart | 8125 } // namespace dart |
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