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Side by Side Diff: src/compiler/js-typed-lowering.h

Issue 426233002: Land the Fan (disabled) (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Review feedback, rebase and "git cl format" Created 6 years, 4 months ago
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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_OPERATOR_REDUCERS_H_
6 #define V8_COMPILER_OPERATOR_REDUCERS_H_
7
8 #include "src/compiler/graph-reducer.h"
9 #include "src/compiler/js-graph.h"
10 #include "src/compiler/lowering-builder.h"
11 #include "src/compiler/machine-operator.h"
12 #include "src/compiler/node.h"
13 #include "src/compiler/simplified-operator.h"
14
15 namespace v8 {
16 namespace internal {
17 namespace compiler {
18
19 class JSBinopReduction;
20
21 // Lowers JS-level operators to simplified operators based on types.
22 class JSTypedLowering : public LoweringBuilder {
23 public:
24 explicit JSTypedLowering(JSGraph* jsgraph,
25 SourcePositionTable* source_positions)
26 : LoweringBuilder(jsgraph->graph(), source_positions),
27 jsgraph_(jsgraph),
28 simplified_(jsgraph->zone()),
29 machine_(jsgraph->zone()) {}
30 virtual ~JSTypedLowering() {}
31
32 Reduction Reduce(Node* node);
33 virtual void Lower(Node* node) { Reduce(node); }
34
35 JSGraph* jsgraph() { return jsgraph_; }
36 Graph* graph() { return jsgraph_->graph(); }
37
38 private:
39 friend class JSBinopReduction;
40 JSGraph* jsgraph_;
41 SimplifiedOperatorBuilder simplified_;
42 MachineOperatorBuilder machine_;
43
44 Reduction ReplaceEagerly(Node* old, Node* node);
45 Reduction NoChange() { return Reducer::NoChange(); }
46 Reduction ReplaceWith(Node* node) { return Reducer::Replace(node); }
47 Reduction Changed(Node* node) { return Reducer::Changed(node); }
48 Reduction ReduceJSAdd(Node* node);
49 Reduction ReduceJSComparison(Node* node);
50 Reduction ReduceJSEqual(Node* node, bool invert);
51 Reduction ReduceJSStrictEqual(Node* node, bool invert);
52 Reduction ReduceJSToNumberInput(Node* input);
53 Reduction ReduceJSToStringInput(Node* input);
54 Reduction ReduceJSToBooleanInput(Node* input);
55 Reduction ReduceNumberBinop(Node* node, Operator* numberOp);
56 Reduction ReduceI32Binop(Node* node, bool left_signed, bool right_signed,
57 Operator* intOp);
58 Reduction ReduceI32Shift(Node* node, bool left_signed, Operator* shift_op);
59
60 JSOperatorBuilder* javascript() { return jsgraph_->javascript(); }
61 CommonOperatorBuilder* common() { return jsgraph_->common(); }
62 SimplifiedOperatorBuilder* simplified() { return &simplified_; }
63 MachineOperatorBuilder* machine() { return &machine_; }
64 };
65 }
66 }
67 } // namespace v8::internal::compiler
68
69 #endif // V8_COMPILER_OPERATOR_REDUCERS_H_
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