| // Copyright 2014 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef V8_COMPILER_VERIFIER_H_ |
| #define V8_COMPILER_VERIFIER_H_ |
| |
| #include "src/base/macros.h" |
| #include "src/globals.h" |
| |
| namespace v8 { |
| namespace internal { |
| namespace compiler { |
| |
| class Graph; |
| class Edge; |
| class Node; |
| class Schedule; |
| |
| // Verifies properties of a graph, such as the well-formedness of inputs to |
| // each node, etc. |
| class Verifier { |
| public: |
| enum Typing { TYPED, UNTYPED }; |
| enum CheckInputs { kValuesOnly, kAll }; |
| enum CodeType { kDefault, kWasm }; |
| |
| static void Run(Graph* graph, Typing typing = TYPED, |
| CheckInputs check_inputs = kAll, |
| CodeType code_type = kDefault); |
| |
| #ifdef DEBUG |
| // Verifies consistency of node inputs and uses: |
| // - node inputs should agree with the input count computed from |
| // the node's operator. |
| // - effect inputs should have effect outputs. |
| // - control inputs should have control outputs. |
| // - frame state inputs should be frame states. |
| // - if the node has control uses, it should produce control. |
| // - if the node has effect uses, it should produce effect. |
| // - if the node has frame state uses, it must be a frame state. |
| static void VerifyNode(Node* node); |
| |
| // Verify that {replacement} has the required outputs |
| // (effect, control or frame state) to be used as an input for {edge}. |
| static void VerifyEdgeInputReplacement(const Edge& edge, |
| const Node* replacement); |
| #else |
| static void VerifyNode(Node* node) {} |
| static void VerifyEdgeInputReplacement(const Edge& edge, |
| const Node* replacement) {} |
| #endif // DEBUG |
| |
| private: |
| class Visitor; |
| DISALLOW_COPY_AND_ASSIGN(Verifier); |
| }; |
| |
| // Verifies properties of a schedule, such as dominance, phi placement, etc. |
| class V8_EXPORT_PRIVATE ScheduleVerifier { |
| public: |
| static void Run(Schedule* schedule); |
| }; |
| } // namespace compiler |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_COMPILER_VERIFIER_H_ |