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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 "src/compiler/access-builder.h" | 7 #include "src/compiler/access-builder.h" |
| 8 #include "src/compiler/js-graph.h" | 8 #include "src/compiler/js-graph.h" |
| 9 #include "src/compiler/node-properties.h" | 9 #include "src/compiler/node-properties.h" |
| 10 | 10 |
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| 24 case Runtime::kDeoptimizeNow: | 24 case Runtime::kDeoptimizeNow: |
| 25 return ReduceDeoptimizeNow(node); | 25 return ReduceDeoptimizeNow(node); |
| 26 case Runtime::kInlineIsSmi: | 26 case Runtime::kInlineIsSmi: |
| 27 return ReduceInlineIsSmi(node); | 27 return ReduceInlineIsSmi(node); |
| 28 case Runtime::kInlineIsNonNegativeSmi: | 28 case Runtime::kInlineIsNonNegativeSmi: |
| 29 return ReduceInlineIsNonNegativeSmi(node); | 29 return ReduceInlineIsNonNegativeSmi(node); |
| 30 case Runtime::kInlineIsArray: | 30 case Runtime::kInlineIsArray: |
| 31 return ReduceInlineIsInstanceType(node, JS_ARRAY_TYPE); | 31 return ReduceInlineIsInstanceType(node, JS_ARRAY_TYPE); |
| 32 case Runtime::kInlineIsFunction: | 32 case Runtime::kInlineIsFunction: |
| 33 return ReduceInlineIsInstanceType(node, JS_FUNCTION_TYPE); | 33 return ReduceInlineIsInstanceType(node, JS_FUNCTION_TYPE); |
| 34 case Runtime::kInlineOptimizedConstructDouble: | 34 case Runtime::kInlineConstructDouble: |
| 35 return ReduceInlineOptimizedConstructDouble(node); | 35 return ReduceInlineConstructDouble(node); |
| 36 case Runtime::kInlineOptimizedDoubleLo: | 36 case Runtime::kInlineDoubleLo: |
| 37 return ReduceInlineOptimizedDoubleLo(node); | 37 return ReduceInlineDoubleLo(node); |
| 38 case Runtime::kInlineOptimizedDoubleHi: | 38 case Runtime::kInlineDoubleHi: |
| 39 return ReduceInlineOptimizedDoubleHi(node); | 39 return ReduceInlineDoubleHi(node); |
| 40 case Runtime::kInlineIsRegExp: | 40 case Runtime::kInlineIsRegExp: |
| 41 return ReduceInlineIsInstanceType(node, JS_REGEXP_TYPE); | 41 return ReduceInlineIsInstanceType(node, JS_REGEXP_TYPE); |
| 42 case Runtime::kInlineValueOf: | 42 case Runtime::kInlineValueOf: |
| 43 return ReduceInlineValueOf(node); | 43 return ReduceInlineValueOf(node); |
| 44 default: | 44 default: |
| 45 break; | 45 break; |
| 46 } | 46 } |
| 47 return NoChange(); | 47 return NoChange(); |
| 48 } | 48 } |
| 49 | 49 |
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| 91 Reduction JSIntrinsicLowering::ReduceInlineIsSmi(Node* node) { | 91 Reduction JSIntrinsicLowering::ReduceInlineIsSmi(Node* node) { |
| 92 return Change(node, simplified()->ObjectIsSmi()); | 92 return Change(node, simplified()->ObjectIsSmi()); |
| 93 } | 93 } |
| 94 | 94 |
| 95 | 95 |
| 96 Reduction JSIntrinsicLowering::ReduceInlineIsNonNegativeSmi(Node* node) { | 96 Reduction JSIntrinsicLowering::ReduceInlineIsNonNegativeSmi(Node* node) { |
| 97 return Change(node, simplified()->ObjectIsNonNegativeSmi()); | 97 return Change(node, simplified()->ObjectIsNonNegativeSmi()); |
| 98 } | 98 } |
| 99 | 99 |
| 100 | 100 |
| 101 Reduction JSIntrinsicLowering::ReduceInlineOptimizedConstructDouble( | 101 Reduction JSIntrinsicLowering::ReduceInlineConstructDouble(Node* node) { |
| 102 Node* node) { | |
| 103 Node* high = NodeProperties::GetValueInput(node, 0); | 102 Node* high = NodeProperties::GetValueInput(node, 0); |
| 104 Node* low = NodeProperties::GetValueInput(node, 1); | 103 Node* low = NodeProperties::GetValueInput(node, 1); |
| 105 Node* value = | 104 Node* value = |
| 106 graph()->NewNode(machine()->Float64InsertHighWord32(), | 105 graph()->NewNode(machine()->Float64InsertHighWord32(), |
| 107 graph()->NewNode(machine()->Float64InsertLowWord32(), | 106 graph()->NewNode(machine()->Float64InsertLowWord32(), |
| 108 jsgraph()->Constant(0), low), | 107 jsgraph()->Constant(0), low), |
| 109 high); | 108 high); |
| 110 NodeProperties::ReplaceWithValue(node, value); | 109 NodeProperties::ReplaceWithValue(node, value); |
| 111 return Replace(value); | 110 return Replace(value); |
| 112 } | 111 } |
| 113 | 112 |
| 114 | 113 |
| 115 Reduction JSIntrinsicLowering::ReduceInlineOptimizedDoubleLo(Node* node) { | 114 Reduction JSIntrinsicLowering::ReduceInlineDoubleLo(Node* node) { |
| 116 return Change(node, machine()->Float64ExtractLowWord32()); | 115 return Change(node, machine()->Float64ExtractLowWord32()); |
| 117 } | 116 } |
| 118 | 117 |
| 119 | 118 |
| 120 Reduction JSIntrinsicLowering::ReduceInlineOptimizedDoubleHi(Node* node) { | 119 Reduction JSIntrinsicLowering::ReduceInlineDoubleHi(Node* node) { |
| 121 return Change(node, machine()->Float64ExtractHighWord32()); | 120 return Change(node, machine()->Float64ExtractHighWord32()); |
| 122 } | 121 } |
| 123 | 122 |
| 124 | 123 |
| 125 Reduction JSIntrinsicLowering::ReduceInlineIsInstanceType( | 124 Reduction JSIntrinsicLowering::ReduceInlineIsInstanceType( |
| 126 Node* node, InstanceType instance_type) { | 125 Node* node, InstanceType instance_type) { |
| 127 // if (%_IsSmi(value)) { | 126 // if (%_IsSmi(value)) { |
| 128 // return false; | 127 // return false; |
| 129 // } else { | 128 // } else { |
| 130 // return %_GetInstanceType(%_GetMap(value)) == instance_type; | 129 // return %_GetInstanceType(%_GetMap(value)) == instance_type; |
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| 255 } | 254 } |
| 256 | 255 |
| 257 | 256 |
| 258 MachineOperatorBuilder* JSIntrinsicLowering::machine() const { | 257 MachineOperatorBuilder* JSIntrinsicLowering::machine() const { |
| 259 return jsgraph()->machine(); | 258 return jsgraph()->machine(); |
| 260 } | 259 } |
| 261 | 260 |
| 262 } // namespace compiler | 261 } // namespace compiler |
| 263 } // namespace internal | 262 } // namespace internal |
| 264 } // namespace v8 | 263 } // namespace v8 |
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