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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 #ifndef V8_COMPILER_NODE_PROPERTIES_H_ | 5 #ifndef V8_COMPILER_NODE_PROPERTIES_H_ |
| 6 #define V8_COMPILER_NODE_PROPERTIES_H_ | 6 #define V8_COMPILER_NODE_PROPERTIES_H_ |
| 7 | 7 |
| 8 #include "src/compiler/node.h" | 8 #include "src/compiler/node.h" |
| 9 #include "src/types.h" | 9 #include "src/types.h" |
| 10 | 10 |
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| 103 | 103 |
| 104 static Node* FindProjection(Node* node, size_t projection_index); | 104 static Node* FindProjection(Node* node, size_t projection_index); |
| 105 | 105 |
| 106 // Collect the branch-related projections from a node, such as IfTrue, | 106 // Collect the branch-related projections from a node, such as IfTrue, |
| 107 // IfFalse, IfSuccess, IfException, IfValue and IfDefault. | 107 // IfFalse, IfSuccess, IfException, IfValue and IfDefault. |
| 108 // - Branch: [ IfTrue, IfFalse ] | 108 // - Branch: [ IfTrue, IfFalse ] |
| 109 // - Call : [ IfSuccess, IfException ] | 109 // - Call : [ IfSuccess, IfException ] |
| 110 // - Switch: [ IfValue, ..., IfDefault ] | 110 // - Switch: [ IfValue, ..., IfDefault ] |
| 111 static void CollectControlProjections(Node* node, Node** proj, size_t count); | 111 static void CollectControlProjections(Node* node, Node** proj, size_t count); |
| 112 | 112 |
| 113 // Verifies consistency of node inputs and uses: | |
| 114 // - node inputs should agree with the input count computed from | |
| 115 // the node's operator. | |
| 116 // - effect inputs should have effect outputs. | |
| 117 // - control inputs should have control outputs. | |
| 118 // - frame state inputs should be frame states. | |
| 119 // - if the node has control uses, it should produce control. | |
| 120 // - if the node has effect uses, it should produce effect. | |
| 121 // - if the node has frame state uses, it must be a frame state. | |
| 122 static void Verify(Node* node); | |
| 123 | |
| 124 // --------------------------------------------------------------------------- | 113 // --------------------------------------------------------------------------- |
| 125 // Type. | 114 // Type. |
| 126 | 115 |
| 127 static bool IsTyped(Node* node) { return node->type() != nullptr; } | 116 static bool IsTyped(Node* node) { return node->type() != nullptr; } |
| 128 static Type* GetType(Node* node) { | 117 static Type* GetType(Node* node) { |
| 129 DCHECK(IsTyped(node)); | 118 DCHECK(IsTyped(node)); |
| 130 return node->type(); | 119 return node->type(); |
| 131 } | 120 } |
| 132 static void SetType(Node* node, Type* type) { | 121 static void SetType(Node* node, Type* type) { |
| 133 DCHECK_NOT_NULL(type); | 122 DCHECK_NOT_NULL(type); |
| 134 node->set_type(type); | 123 node->set_type(type); |
| 135 } | 124 } |
| 136 static void RemoveType(Node* node) { node->set_type(nullptr); } | 125 static void RemoveType(Node* node) { node->set_type(nullptr); } |
| 137 static bool AllValueInputsAreTyped(Node* node); | 126 static bool AllValueInputsAreTyped(Node* node); |
| 138 | 127 |
| 139 private: | 128 private: |
| 140 static inline bool IsInputRange(Edge edge, int first, int count); | 129 static inline bool IsInputRange(Edge edge, int first, int count); |
| 141 }; | 130 }; |
| 142 | 131 |
| 143 } // namespace compiler | 132 } // namespace compiler |
| 144 } // namespace internal | 133 } // namespace internal |
| 145 } // namespace v8 | 134 } // namespace v8 |
| 146 | 135 |
| 147 #endif // V8_COMPILER_NODE_PROPERTIES_H_ | 136 #endif // V8_COMPILER_NODE_PROPERTIES_H_ |
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