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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/base/compiler-specific.h" | 8 #include "src/base/compiler-specific.h" |
9 #include "src/compiler/common-node-cache.h" | 9 #include "src/compiler/common-node-cache.h" |
10 #include "src/compiler/common-operator.h" | 10 #include "src/compiler/common-operator.h" |
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135 } | 135 } |
136 | 136 |
137 // Creates a dummy Constant node, used to satisfy calling conventions of | 137 // Creates a dummy Constant node, used to satisfy calling conventions of |
138 // stubs and runtime functions that do not require a context. | 138 // stubs and runtime functions that do not require a context. |
139 Node* NoContextConstant() { return ZeroConstant(); } | 139 Node* NoContextConstant() { return ZeroConstant(); } |
140 | 140 |
141 // Creates an empty StateValues node, used when we don't have any concrete | 141 // Creates an empty StateValues node, used when we don't have any concrete |
142 // values for a certain part of the frame state. | 142 // values for a certain part of the frame state. |
143 Node* EmptyStateValues(); | 143 Node* EmptyStateValues(); |
144 | 144 |
| 145 // Typed state values with a single dead input. This is useful to represent |
| 146 // dead accumulator. |
| 147 Node* SingleDeadTypedStateValues(); |
| 148 |
145 // Create a control node that serves as dependency for dead nodes. | 149 // Create a control node that serves as dependency for dead nodes. |
146 Node* Dead(); | 150 Node* Dead(); |
147 | 151 |
148 CommonOperatorBuilder* common() const { return common_; } | 152 CommonOperatorBuilder* common() const { return common_; } |
149 JSOperatorBuilder* javascript() const { return javascript_; } | 153 JSOperatorBuilder* javascript() const { return javascript_; } |
150 SimplifiedOperatorBuilder* simplified() const { return simplified_; } | 154 SimplifiedOperatorBuilder* simplified() const { return simplified_; } |
151 MachineOperatorBuilder* machine() const { return machine_; } | 155 MachineOperatorBuilder* machine() const { return machine_; } |
152 Graph* graph() const { return graph_; } | 156 Graph* graph() const { return graph_; } |
153 Zone* zone() const { return graph()->zone(); } | 157 Zone* zone() const { return graph()->zone(); } |
154 Isolate* isolate() const { return isolate_; } | 158 Isolate* isolate() const { return isolate_; } |
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174 kStaleRegisterConstant, | 178 kStaleRegisterConstant, |
175 kUndefinedConstant, | 179 kUndefinedConstant, |
176 kTheHoleConstant, | 180 kTheHoleConstant, |
177 kTrueConstant, | 181 kTrueConstant, |
178 kFalseConstant, | 182 kFalseConstant, |
179 kNullConstant, | 183 kNullConstant, |
180 kZeroConstant, | 184 kZeroConstant, |
181 kOneConstant, | 185 kOneConstant, |
182 kNaNConstant, | 186 kNaNConstant, |
183 kEmptyStateValues, | 187 kEmptyStateValues, |
| 188 kSingleDeadTypedStateValues, |
184 kDead, | 189 kDead, |
185 kNumCachedNodes // Must remain last. | 190 kNumCachedNodes // Must remain last. |
186 }; | 191 }; |
187 | 192 |
188 Isolate* isolate_; | 193 Isolate* isolate_; |
189 Graph* graph_; | 194 Graph* graph_; |
190 CommonOperatorBuilder* common_; | 195 CommonOperatorBuilder* common_; |
191 JSOperatorBuilder* javascript_; | 196 JSOperatorBuilder* javascript_; |
192 SimplifiedOperatorBuilder* simplified_; | 197 SimplifiedOperatorBuilder* simplified_; |
193 MachineOperatorBuilder* machine_; | 198 MachineOperatorBuilder* machine_; |
194 CommonNodeCache cache_; | 199 CommonNodeCache cache_; |
195 Node* cached_nodes_[kNumCachedNodes]; | 200 Node* cached_nodes_[kNumCachedNodes]; |
196 | 201 |
197 Node* NumberConstant(double value); | 202 Node* NumberConstant(double value); |
198 | 203 |
199 DISALLOW_COPY_AND_ASSIGN(JSGraph); | 204 DISALLOW_COPY_AND_ASSIGN(JSGraph); |
200 }; | 205 }; |
201 | 206 |
202 } // namespace compiler | 207 } // namespace compiler |
203 } // namespace internal | 208 } // namespace internal |
204 } // namespace v8 | 209 } // namespace v8 |
205 | 210 |
206 #endif | 211 #endif |
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