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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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 #ifndef V8_COMPILER_JS_GRAPH_H_ | 5 #ifndef V8_COMPILER_JS_GRAPH_H_ |
6 #define V8_COMPILER_JS_GRAPH_H_ | 6 #define V8_COMPILER_JS_GRAPH_H_ |
7 | 7 |
8 #include "src/compiler/common-node-cache.h" | 8 #include "src/compiler/common-node-cache.h" |
9 #include "src/compiler/common-operator.h" | 9 #include "src/compiler/common-operator.h" |
10 #include "src/compiler/graph.h" | 10 #include "src/compiler/graph.h" |
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120 } | 120 } |
121 | 121 |
122 // Creates a dummy Constant node, used to satisfy calling conventions of | 122 // Creates a dummy Constant node, used to satisfy calling conventions of |
123 // stubs and runtime functions that do not require a context. | 123 // stubs and runtime functions that do not require a context. |
124 Node* NoContextConstant() { return ZeroConstant(); } | 124 Node* NoContextConstant() { return ZeroConstant(); } |
125 | 125 |
126 // Creates an empty frame states for cases where we know that a function | 126 // Creates an empty frame states for cases where we know that a function |
127 // cannot deopt. | 127 // cannot deopt. |
128 Node* EmptyFrameState(); | 128 Node* EmptyFrameState(); |
129 | 129 |
| 130 // Creates an empty StateValues node, used when we don't have any concrete |
| 131 // values for a certain part of the frame state. |
| 132 Node* EmptyStateValues(); |
| 133 |
130 // Create a control node that serves as dependency for dead nodes. | 134 // Create a control node that serves as dependency for dead nodes. |
131 Node* Dead(); | 135 Node* Dead(); |
132 | 136 |
133 CommonOperatorBuilder* common() const { return common_; } | 137 CommonOperatorBuilder* common() const { return common_; } |
134 JSOperatorBuilder* javascript() const { return javascript_; } | 138 JSOperatorBuilder* javascript() const { return javascript_; } |
135 SimplifiedOperatorBuilder* simplified() const { return simplified_; } | 139 SimplifiedOperatorBuilder* simplified() const { return simplified_; } |
136 MachineOperatorBuilder* machine() const { return machine_; } | 140 MachineOperatorBuilder* machine() const { return machine_; } |
137 Graph* graph() const { return graph_; } | 141 Graph* graph() const { return graph_; } |
138 Zone* zone() const { return graph()->zone(); } | 142 Zone* zone() const { return graph()->zone(); } |
139 Isolate* isolate() const { return isolate_; } | 143 Isolate* isolate() const { return isolate_; } |
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152 kStaleRegisterConstant, | 156 kStaleRegisterConstant, |
153 kUndefinedConstant, | 157 kUndefinedConstant, |
154 kTheHoleConstant, | 158 kTheHoleConstant, |
155 kTrueConstant, | 159 kTrueConstant, |
156 kFalseConstant, | 160 kFalseConstant, |
157 kNullConstant, | 161 kNullConstant, |
158 kZeroConstant, | 162 kZeroConstant, |
159 kOneConstant, | 163 kOneConstant, |
160 kNaNConstant, | 164 kNaNConstant, |
161 kEmptyFrameState, | 165 kEmptyFrameState, |
| 166 kEmptyStateValues, |
162 kDead, | 167 kDead, |
163 kNumCachedNodes // Must remain last. | 168 kNumCachedNodes // Must remain last. |
164 }; | 169 }; |
165 | 170 |
166 Isolate* isolate_; | 171 Isolate* isolate_; |
167 Graph* graph_; | 172 Graph* graph_; |
168 CommonOperatorBuilder* common_; | 173 CommonOperatorBuilder* common_; |
169 JSOperatorBuilder* javascript_; | 174 JSOperatorBuilder* javascript_; |
170 SimplifiedOperatorBuilder* simplified_; | 175 SimplifiedOperatorBuilder* simplified_; |
171 MachineOperatorBuilder* machine_; | 176 MachineOperatorBuilder* machine_; |
172 CommonNodeCache cache_; | 177 CommonNodeCache cache_; |
173 Node* cached_nodes_[kNumCachedNodes]; | 178 Node* cached_nodes_[kNumCachedNodes]; |
174 | 179 |
175 Node* NumberConstant(double value); | 180 Node* NumberConstant(double value); |
176 | 181 |
177 DISALLOW_COPY_AND_ASSIGN(JSGraph); | 182 DISALLOW_COPY_AND_ASSIGN(JSGraph); |
178 }; | 183 }; |
179 | 184 |
180 } // namespace compiler | 185 } // namespace compiler |
181 } // namespace internal | 186 } // namespace internal |
182 } // namespace v8 | 187 } // namespace v8 |
183 | 188 |
184 #endif | 189 #endif |
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