Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 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_CALL_REDUCER_H_ |
| 6 | #define V8_COMPILER_JS_CALL_REDUCER_H_ |
| 7 | |
| 8 | #include "src/base/flags.h" |
| 9 | #include "src/compiler/graph-reducer.h" |
| 10 | |
| 11 | namespace v8 { |
| 12 | namespace internal { |
| 13 | namespace compiler { |
| 14 | |
| 15 | // Forward declarations. |
| 16 | class CommonOperatorBuilder; |
| 17 | class JSGraph; |
| 18 | class JSOperatorBuilder; |
| 19 | |
| 20 | |
| 21 | // Performs strength reduction on {JSCallConstruct} and {JSCallFunction} nodes, |
| 22 | // which might allow inlining or other optimizations to be performed afterwards. |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 23 | class JSCallReducer final : public Reducer { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 24 | public: |
| 25 | // Flags that control the mode of operation. |
| 26 | enum Flag { |
| 27 | kNoFlags = 0u, |
| 28 | kDeoptimizationEnabled = 1u << 0, |
| 29 | }; |
| 30 | typedef base::Flags<Flag> Flags; |
| 31 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 32 | JSCallReducer(JSGraph* jsgraph, Flags flags, |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 33 | MaybeHandle<Context> native_context) |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 34 | : jsgraph_(jsgraph), flags_(flags), native_context_(native_context) {} |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 35 | |
| 36 | Reduction Reduce(Node* node) final; |
| 37 | |
| 38 | private: |
| 39 | Reduction ReduceArrayConstructor(Node* node); |
| 40 | Reduction ReduceNumberConstructor(Node* node); |
| 41 | Reduction ReduceFunctionPrototypeApply(Node* node); |
| 42 | Reduction ReduceFunctionPrototypeCall(Node* node); |
| 43 | Reduction ReduceJSCallConstruct(Node* node); |
| 44 | Reduction ReduceJSCallFunction(Node* node); |
| 45 | |
| 46 | MaybeHandle<Context> GetNativeContext(Node* node); |
| 47 | |
| 48 | Graph* graph() const; |
| 49 | Flags flags() const { return flags_; } |
| 50 | JSGraph* jsgraph() const { return jsgraph_; } |
| 51 | Isolate* isolate() const; |
| 52 | MaybeHandle<Context> native_context() const { return native_context_; } |
| 53 | CommonOperatorBuilder* common() const; |
| 54 | JSOperatorBuilder* javascript() const; |
| 55 | |
| 56 | JSGraph* const jsgraph_; |
| 57 | Flags const flags_; |
| 58 | MaybeHandle<Context> const native_context_; |
| 59 | }; |
| 60 | |
| 61 | DEFINE_OPERATORS_FOR_FLAGS(JSCallReducer::Flags) |
| 62 | |
| 63 | } // namespace compiler |
| 64 | } // namespace internal |
| 65 | } // namespace v8 |
| 66 | |
| 67 | #endif // V8_COMPILER_JS_CALL_REDUCER_H_ |