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Issue 534573002: Reland "Make FrameStates recursive (to be used for inlining).". (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Rebase. Created 6 years, 3 months ago
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1 // Copyright 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 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/graph-builder.h" 5 #include "src/compiler/graph-builder.h"
6 6
7 #include "src/compiler.h" 7 #include "src/compiler.h"
8 #include "src/compiler/generic-graph.h" 8 #include "src/compiler/generic-graph.h"
9 #include "src/compiler/generic-node.h" 9 #include "src/compiler/generic-node.h"
10 #include "src/compiler/generic-node-inl.h" 10 #include "src/compiler/generic-node-inl.h"
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34 34
35 bool has_context = OperatorProperties::HasContextInput(op); 35 bool has_context = OperatorProperties::HasContextInput(op);
36 bool has_framestate = OperatorProperties::HasFrameStateInput(op); 36 bool has_framestate = OperatorProperties::HasFrameStateInput(op);
37 bool has_control = OperatorProperties::GetControlInputCount(op) == 1; 37 bool has_control = OperatorProperties::GetControlInputCount(op) == 1;
38 bool has_effect = OperatorProperties::GetEffectInputCount(op) == 1; 38 bool has_effect = OperatorProperties::GetEffectInputCount(op) == 1;
39 39
40 DCHECK(OperatorProperties::GetControlInputCount(op) < 2); 40 DCHECK(OperatorProperties::GetControlInputCount(op) < 2);
41 DCHECK(OperatorProperties::GetEffectInputCount(op) < 2); 41 DCHECK(OperatorProperties::GetEffectInputCount(op) < 2);
42 42
43 Node* result = NULL; 43 Node* result = NULL;
44 if (!has_context && !has_control && !has_effect) { 44 if (!has_context && !has_framestate && !has_control && !has_effect) {
45 result = graph()->NewNode(op, value_input_count, value_inputs); 45 result = graph()->NewNode(op, value_input_count, value_inputs);
46 } else { 46 } else {
47 int input_count_with_deps = value_input_count; 47 int input_count_with_deps = value_input_count;
48 if (has_context) ++input_count_with_deps; 48 if (has_context) ++input_count_with_deps;
49 if (has_framestate) ++input_count_with_deps; 49 if (has_framestate) ++input_count_with_deps;
50 if (has_control) ++input_count_with_deps; 50 if (has_control) ++input_count_with_deps;
51 if (has_effect) ++input_count_with_deps; 51 if (has_effect) ++input_count_with_deps;
52 Node** buffer = zone()->NewArray<Node*>(input_count_with_deps); 52 Node** buffer = zone()->NewArray<Node*>(input_count_with_deps);
53 memcpy(buffer, value_inputs, kPointerSize * value_input_count); 53 memcpy(buffer, value_inputs, kPointerSize * value_input_count);
54 Node** current_input = buffer + value_input_count; 54 Node** current_input = buffer + value_input_count;
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239 if (!dead_control_.is_set()) { 239 if (!dead_control_.is_set()) {
240 Node* dead_node = graph()->NewNode(common_->Dead()); 240 Node* dead_node = graph()->NewNode(common_->Dead());
241 dead_control_.set(dead_node); 241 dead_control_.set(dead_node);
242 return dead_node; 242 return dead_node;
243 } 243 }
244 return dead_control_.get(); 244 return dead_control_.get();
245 } 245 }
246 } 246 }
247 } 247 }
248 } // namespace v8::internal::compiler 248 } // namespace v8::internal::compiler
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