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| 1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "src/compiler/js-intrinsic-lowering.h" | 5 #include "src/compiler/js-intrinsic-lowering.h" |
| 6 | 6 |
| 7 #include <stack> | 7 #include <stack> |
| 8 | 8 |
| 9 #include "src/compiler/access-builder.h" | 9 #include "src/compiler/access-builder.h" |
| 10 #include "src/compiler/js-graph.h" | 10 #include "src/compiler/js-graph.h" |
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| 171 effect, control); | 171 effect, control); |
| 172 } | 172 } |
| 173 | 173 |
| 174 | 174 |
| 175 Reduction JSIntrinsicLowering::ReduceIncrementStatsCounter(Node* node) { | 175 Reduction JSIntrinsicLowering::ReduceIncrementStatsCounter(Node* node) { |
| 176 if (!FLAG_native_code_counters) return ChangeToUndefined(node); | 176 if (!FLAG_native_code_counters) return ChangeToUndefined(node); |
| 177 HeapObjectMatcher m(NodeProperties::GetValueInput(node, 0)); | 177 HeapObjectMatcher m(NodeProperties::GetValueInput(node, 0)); |
| 178 if (!m.HasValue() || !m.Value().handle()->IsString()) { | 178 if (!m.HasValue() || !m.Value().handle()->IsString()) { |
| 179 return ChangeToUndefined(node); | 179 return ChangeToUndefined(node); |
| 180 } | 180 } |
| 181 SmartArrayPointer<char> name = | 181 base::SmartArrayPointer<char> name = |
| 182 Handle<String>::cast(m.Value().handle())->ToCString(); | 182 Handle<String>::cast(m.Value().handle())->ToCString(); |
| 183 StatsCounter counter(jsgraph()->isolate(), name.get()); | 183 StatsCounter counter(jsgraph()->isolate(), name.get()); |
| 184 if (!counter.Enabled()) return ChangeToUndefined(node); | 184 if (!counter.Enabled()) return ChangeToUndefined(node); |
| 185 | 185 |
| 186 Node* effect = NodeProperties::GetEffectInput(node); | 186 Node* effect = NodeProperties::GetEffectInput(node); |
| 187 Node* control = NodeProperties::GetControlInput(node); | 187 Node* control = NodeProperties::GetControlInput(node); |
| 188 FieldAccess access = AccessBuilder::ForStatsCounter(); | 188 FieldAccess access = AccessBuilder::ForStatsCounter(); |
| 189 Node* cnt = jsgraph()->ExternalConstant(ExternalReference(&counter)); | 189 Node* cnt = jsgraph()->ExternalConstant(ExternalReference(&counter)); |
| 190 Node* load = | 190 Node* load = |
| 191 graph()->NewNode(simplified()->LoadField(access), cnt, effect, control); | 191 graph()->NewNode(simplified()->LoadField(access), cnt, effect, control); |
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| 597 } | 597 } |
| 598 | 598 |
| 599 | 599 |
| 600 MachineOperatorBuilder* JSIntrinsicLowering::machine() const { | 600 MachineOperatorBuilder* JSIntrinsicLowering::machine() const { |
| 601 return jsgraph()->machine(); | 601 return jsgraph()->machine(); |
| 602 } | 602 } |
| 603 | 603 |
| 604 } // namespace compiler | 604 } // namespace compiler |
| 605 } // namespace internal | 605 } // namespace internal |
| 606 } // namespace v8 | 606 } // namespace v8 |
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