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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 #include "src/code-stubs.h" | 5 #include "src/code-stubs.h" |
6 #include "src/compiler/js-graph.h" | 6 #include "src/compiler/js-graph.h" |
7 #include "src/compiler/node-properties-inl.h" | 7 #include "src/compiler/node-properties-inl.h" |
8 #include "src/compiler/typer.h" | 8 #include "src/compiler/typer.h" |
9 | 9 |
10 namespace v8 { | 10 namespace v8 { |
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184 | 184 |
185 Node* JSGraph::Float64Constant(double value) { | 185 Node* JSGraph::Float64Constant(double value) { |
186 Node** loc = cache_.FindFloat64Constant(value); | 186 Node** loc = cache_.FindFloat64Constant(value); |
187 if (*loc == NULL) { | 187 if (*loc == NULL) { |
188 *loc = graph()->NewNode(common()->Float64Constant(value)); | 188 *loc = graph()->NewNode(common()->Float64Constant(value)); |
189 } | 189 } |
190 return *loc; | 190 return *loc; |
191 } | 191 } |
192 | 192 |
193 | 193 |
| 194 Node* JSGraph::EmptyFrameState() { |
| 195 if (!empty_frame_state_.is_set()) { |
| 196 Node* values = graph()->NewNode(common()->StateValues(0)); |
| 197 Node* state_node = graph()->NewNode( |
| 198 common()->FrameState(JS_FRAME, BailoutId(0), |
| 199 OutputFrameStateCombine::Ignore()), |
| 200 values, values, values, NoContextConstant(), UndefinedConstant()); |
| 201 empty_frame_state_.set(state_node); |
| 202 } |
| 203 return empty_frame_state_.get(); |
| 204 } |
| 205 |
| 206 |
194 Node* JSGraph::ExternalConstant(ExternalReference reference) { | 207 Node* JSGraph::ExternalConstant(ExternalReference reference) { |
195 Node** loc = cache_.FindExternalConstant(reference); | 208 Node** loc = cache_.FindExternalConstant(reference); |
196 if (*loc == NULL) { | 209 if (*loc == NULL) { |
197 *loc = graph()->NewNode(common()->ExternalConstant(reference)); | 210 *loc = graph()->NewNode(common()->ExternalConstant(reference)); |
198 } | 211 } |
199 return *loc; | 212 return *loc; |
200 } | 213 } |
201 | 214 |
202 | 215 |
203 void JSGraph::GetCachedNodes(NodeVector* nodes) { | 216 void JSGraph::GetCachedNodes(NodeVector* nodes) { |
204 cache_.GetCachedNodes(nodes); | 217 cache_.GetCachedNodes(nodes); |
205 SetOncePointer<Node>* ptrs[] = { | 218 SetOncePointer<Node>* ptrs[] = { |
206 &c_entry_stub_constant_, &undefined_constant_, &the_hole_constant_, | 219 &c_entry_stub_constant_, &undefined_constant_, &the_hole_constant_, |
207 &true_constant_, &false_constant_, &null_constant_, | 220 &true_constant_, &false_constant_, &null_constant_, |
208 &zero_constant_, &one_constant_, &nan_constant_}; | 221 &zero_constant_, &one_constant_, &nan_constant_}; |
209 for (size_t i = 0; i < arraysize(ptrs); i++) { | 222 for (size_t i = 0; i < arraysize(ptrs); i++) { |
210 if (ptrs[i]->is_set()) nodes->push_back(ptrs[i]->get()); | 223 if (ptrs[i]->is_set()) nodes->push_back(ptrs[i]->get()); |
211 } | 224 } |
212 } | 225 } |
213 | 226 |
214 } // namespace compiler | 227 } // namespace compiler |
215 } // namespace internal | 228 } // namespace internal |
216 } // namespace v8 | 229 } // namespace v8 |
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