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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/bytecode-graph-builder.h" | 5 #include "src/compiler/bytecode-graph-builder.h" |
| 6 | 6 |
| 7 #include "src/compiler/bytecode-branch-analysis.h" | 7 #include "src/compiler/bytecode-branch-analysis.h" |
| 8 #include "src/compiler/linkage.h" | 8 #include "src/compiler/linkage.h" |
| 9 #include "src/compiler/operator-properties.h" | 9 #include "src/compiler/operator-properties.h" |
| 10 #include "src/interpreter/bytecodes.h" | 10 #include "src/interpreter/bytecodes.h" |
| 11 #include "src/objects-inl.h" |
| 11 | 12 |
| 12 namespace v8 { | 13 namespace v8 { |
| 13 namespace internal { | 14 namespace internal { |
| 14 namespace compiler { | 15 namespace compiler { |
| 15 | 16 |
| 16 // The abstract execution environment simulates the content of the interpreter | 17 // The abstract execution environment simulates the content of the interpreter |
| 17 // register file. The environment performs SSA-renaming of all tracked nodes at | 18 // register file. The environment performs SSA-renaming of all tracked nodes at |
| 18 // split and merge points in the control flow. | 19 // split and merge points in the control flow. |
| 19 class BytecodeGraphBuilder::Environment : public ZoneObject { | 20 class BytecodeGraphBuilder::Environment : public ZoneObject { |
| 20 public: | 21 public: |
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| 1930 // Phi does not exist yet, introduce one. | 1931 // Phi does not exist yet, introduce one. |
| 1931 value = NewPhi(inputs, value, control); | 1932 value = NewPhi(inputs, value, control); |
| 1932 value->ReplaceInput(inputs - 1, other); | 1933 value->ReplaceInput(inputs - 1, other); |
| 1933 } | 1934 } |
| 1934 return value; | 1935 return value; |
| 1935 } | 1936 } |
| 1936 | 1937 |
| 1937 } // namespace compiler | 1938 } // namespace compiler |
| 1938 } // namespace internal | 1939 } // namespace internal |
| 1939 } // namespace v8 | 1940 } // namespace v8 |
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