Line data    Source code

       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
       3             : // found in the LICENSE file.
       4             : 
       5             : #ifndef V8_COMPILER_JS_INTRINSIC_LOWERING_H_
       6             : #define V8_COMPILER_JS_INTRINSIC_LOWERING_H_
       7             : 
       8             : #include "src/base/compiler-specific.h"
       9             : #include "src/compiler/common-operator.h"
      10             : #include "src/compiler/graph-reducer.h"
      11             : #include "src/globals.h"
      12             : 
      13             : namespace v8 {
      14             : namespace internal {
      15             : 
      16             : // Forward declarations.
      17             : class Callable;
      18             : 
      19             : 
      20             : namespace compiler {
      21             : 
      22             : // Forward declarations.
      23             : class CommonOperatorBuilder;
      24             : struct FieldAccess;
      25             : class JSOperatorBuilder;
      26             : class JSGraph;
      27             : class SimplifiedOperatorBuilder;
      28             : 
      29             : 
      30             : // Lowers certain JS-level runtime calls.
      31             : class V8_EXPORT_PRIVATE JSIntrinsicLowering final
      32             :     : public NON_EXPORTED_BASE(AdvancedReducer) {
      33             :  public:
      34             :   JSIntrinsicLowering(Editor* editor, JSGraph* jsgraph);
      35      928234 :   ~JSIntrinsicLowering() final = default;
      36             : 
      37          18 :   const char* reducer_name() const override { return "JSIntrinsicLowering"; }
      38             : 
      39             :   Reduction Reduce(Node* node) final;
      40             : 
      41             :  private:
      42             :   Reduction ReduceCreateIterResultObject(Node* node);
      43             :   Reduction ReduceDeoptimizeNow(Node* node);
      44             :   Reduction ReduceCreateJSGeneratorObject(Node* node);
      45             :   Reduction ReduceGeneratorClose(Node* node);
      46             :   Reduction ReduceAsyncFunctionAwaitCaught(Node* node);
      47             :   Reduction ReduceAsyncFunctionAwaitUncaught(Node* node);
      48             :   Reduction ReduceAsyncFunctionEnter(Node* node);
      49             :   Reduction ReduceAsyncFunctionReject(Node* node);
      50             :   Reduction ReduceAsyncFunctionResolve(Node* node);
      51             :   Reduction ReduceAsyncGeneratorAwaitCaught(Node* node);
      52             :   Reduction ReduceAsyncGeneratorAwaitUncaught(Node* node);
      53             :   Reduction ReduceAsyncGeneratorReject(Node* node);
      54             :   Reduction ReduceAsyncGeneratorResolve(Node* node);
      55             :   Reduction ReduceAsyncGeneratorYield(Node* node);
      56             :   Reduction ReduceGeneratorGetResumeMode(Node* node);
      57             :   Reduction ReduceIsInstanceType(Node* node, InstanceType instance_type);
      58             :   Reduction ReduceIsJSReceiver(Node* node);
      59             :   Reduction ReduceIsSmi(Node* node);
      60             :   Reduction ReduceToLength(Node* node);
      61             :   Reduction ReduceToObject(Node* node);
      62             :   Reduction ReduceToString(Node* node);
      63             :   Reduction ReduceCall(Node* node);
      64             : 
      65             :   Reduction Change(Node* node, const Operator* op);
      66             :   Reduction Change(Node* node, const Operator* op, Node* a, Node* b);
      67             :   Reduction Change(Node* node, const Operator* op, Node* a, Node* b, Node* c);
      68             :   Reduction Change(Node* node, const Operator* op, Node* a, Node* b, Node* c,
      69             :                    Node* d);
      70             :   Reduction Change(Node* node, Callable const& callable,
      71             :                    int stack_parameter_count);
      72             : 
      73             :   Graph* graph() const;
      74             :   JSGraph* jsgraph() const { return jsgraph_; }
      75             :   Isolate* isolate() const;
      76             :   CommonOperatorBuilder* common() const;
      77             :   JSOperatorBuilder* javascript() const;
      78             :   SimplifiedOperatorBuilder* simplified() const;
      79             : 
      80             :   JSGraph* const jsgraph_;
      81             : };
      82             : 
      83             : }  // namespace compiler
      84             : }  // namespace internal
      85             : }  // namespace v8
      86             : 
      87             : #endif  // V8_COMPILER_JS_INTRINSIC_LOWERING_H_