| // Copyright 2015 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_JS_CALL_REDUCER_H_ |
| #define V8_COMPILER_JS_CALL_REDUCER_H_ |
| |
| #include "src/base/flags.h" |
| #include "src/compiler/graph-reducer.h" |
| |
| namespace v8 { |
| namespace internal { |
| namespace compiler { |
| |
| // Forward declarations. |
| class CommonOperatorBuilder; |
| class JSGraph; |
| class JSOperatorBuilder; |
| |
| |
| // Performs strength reduction on {JSCallConstruct} and {JSCallFunction} nodes, |
| // which might allow inlining or other optimizations to be performed afterwards. |
| class JSCallReducer final : public AdvancedReducer { |
| public: |
| // Flags that control the mode of operation. |
| enum Flag { |
| kNoFlags = 0u, |
| kDeoptimizationEnabled = 1u << 0, |
| }; |
| typedef base::Flags<Flag> Flags; |
| |
| JSCallReducer(Editor* editor, JSGraph* jsgraph, Flags flags, |
| MaybeHandle<Context> native_context) |
| : AdvancedReducer(editor), |
| jsgraph_(jsgraph), |
| flags_(flags), |
| native_context_(native_context) {} |
| |
| Reduction Reduce(Node* node) final; |
| |
| private: |
| Reduction ReduceArrayConstructor(Node* node); |
| Reduction ReduceNumberConstructor(Node* node); |
| Reduction ReduceFunctionPrototypeApply(Node* node); |
| Reduction ReduceFunctionPrototypeCall(Node* node); |
| Reduction ReduceJSCallConstruct(Node* node); |
| Reduction ReduceJSCallFunction(Node* node); |
| |
| MaybeHandle<Context> GetNativeContext(Node* node); |
| |
| Graph* graph() const; |
| Flags flags() const { return flags_; } |
| JSGraph* jsgraph() const { return jsgraph_; } |
| Isolate* isolate() const; |
| MaybeHandle<Context> native_context() const { return native_context_; } |
| CommonOperatorBuilder* common() const; |
| JSOperatorBuilder* javascript() const; |
| |
| JSGraph* const jsgraph_; |
| Flags const flags_; |
| MaybeHandle<Context> const native_context_; |
| }; |
| |
| DEFINE_OPERATORS_FOR_FLAGS(JSCallReducer::Flags) |
| |
| } // namespace compiler |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_COMPILER_JS_CALL_REDUCER_H_ |