1 // Copyright 2014 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_SIMPLIFIED_OPERATOR_REDUCER_H_
6 #define V8_COMPILER_SIMPLIFIED_OPERATOR_REDUCER_H_
7 
8 #include "src/base/compiler-specific.h"
9 #include "src/compiler/graph-reducer.h"
10 #include "src/globals.h"
11 
12 namespace v8 {
13 namespace internal {
14 
15 // Forward declarations.
16 class Factory;
17 class Isolate;
18 
19 namespace compiler {
20 
21 // Forward declarations.
22 class JSGraph;
23 class MachineOperatorBuilder;
24 class SimplifiedOperatorBuilder;
25 
26 class V8_EXPORT_PRIVATE SimplifiedOperatorReducer final
NON_EXPORTED_BASE(AdvancedReducer)27     : public NON_EXPORTED_BASE(AdvancedReducer) {
28  public:
29   SimplifiedOperatorReducer(Editor* editor, JSGraph* jsgraph,
30                             JSHeapBroker* js_heap_broker);
31   ~SimplifiedOperatorReducer() final;
32 
33   const char* reducer_name() const override {
34     return "SimplifiedOperatorReducer";
35   }
36 
37   Reduction Reduce(Node* node) final;
38 
39  private:
40   Reduction ReduceReferenceEqual(Node* node);
41 
42   Reduction Change(Node* node, const Operator* op, Node* a);
43   Reduction ReplaceBoolean(bool value);
44   Reduction ReplaceFloat64(double value);
45   Reduction ReplaceInt32(int32_t value);
46   Reduction ReplaceUint32(uint32_t value) {
47     return ReplaceInt32(bit_cast<int32_t>(value));
48   }
49   Reduction ReplaceNumber(double value);
50   Reduction ReplaceNumber(int32_t value);
51 
52   Factory* factory() const;
53   Graph* graph() const;
54   Isolate* isolate() const;
55   MachineOperatorBuilder* machine() const;
56   SimplifiedOperatorBuilder* simplified() const;
57 
58   JSGraph* jsgraph() const { return jsgraph_; }
59   JSHeapBroker* js_heap_broker() const { return js_heap_broker_; }
60 
61   JSGraph* const jsgraph_;
62   JSHeapBroker* const js_heap_broker_;
63 
64   DISALLOW_COPY_AND_ASSIGN(SimplifiedOperatorReducer);
65 };
66 
67 }  // namespace compiler
68 }  // namespace internal
69 }  // namespace v8
70 
71 #endif  // V8_COMPILER_SIMPLIFIED_OPERATOR_REDUCER_H_
72