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Side by Side Diff: src/compiler/operation-typer.h

Issue 2222513002: [turbofan] Insert sigma nodes for loop variable backedge. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 4 months ago
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1 // Copyright 2016 the V8 project authors. All rights reserved. 1 // Copyright 2016 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef V8_COMPILER_OPERATION_TYPER_H_ 5 #ifndef V8_COMPILER_OPERATION_TYPER_H_
6 #define V8_COMPILER_OPERATION_TYPER_H_ 6 #define V8_COMPILER_OPERATION_TYPER_H_
7 7
8 #include "src/base/flags.h" 8 #include "src/base/flags.h"
9 #include "src/compiler/opcodes.h" 9 #include "src/compiler/opcodes.h"
10 10
11 namespace v8 { 11 namespace v8 {
12 namespace internal { 12 namespace internal {
13 13
14 class Isolate; 14 class Isolate;
15 class RangeType; 15 class RangeType;
16 class Type; 16 class Type;
17 class TypeCache; 17 class TypeCache;
18 class Zone; 18 class Zone;
19 19
20 namespace compiler { 20 namespace compiler {
21 21
22 class Operator;
23
22 class OperationTyper { 24 class OperationTyper {
23 public: 25 public:
24 OperationTyper(Isolate* isolate, Zone* zone); 26 OperationTyper(Isolate* isolate, Zone* zone);
25 27
26 // Typing Phi. 28 // Typing Phi.
27 Type* Merge(Type* left, Type* right); 29 Type* Merge(Type* left, Type* right);
28 30
29 Type* ToPrimitive(Type* type); 31 Type* ToPrimitive(Type* type);
30 32
31 // Helpers for number operation typing. 33 // Helpers for number operation typing.
32 Type* ToNumber(Type* type); 34 Type* ToNumber(Type* type);
33 Type* WeakenRange(Type* current_range, Type* previous_range); 35 Type* WeakenRange(Type* current_range, Type* previous_range);
34 36
35 Type* NumberAdd(Type* lhs, Type* rhs); 37 Type* NumberAdd(Type* lhs, Type* rhs);
36 Type* NumberSubtract(Type* lhs, Type* rhs); 38 Type* NumberSubtract(Type* lhs, Type* rhs);
37 Type* NumberMultiply(Type* lhs, Type* rhs); 39 Type* NumberMultiply(Type* lhs, Type* rhs);
38 Type* NumberDivide(Type* lhs, Type* rhs); 40 Type* NumberDivide(Type* lhs, Type* rhs);
39 Type* NumberModulus(Type* lhs, Type* rhs); 41 Type* NumberModulus(Type* lhs, Type* rhs);
40 42
41 Type* NumberAbs(Type* type); 43 Type* NumberAbs(Type* type);
42 44
45 Type* TypeSigma(const Operator* sigma_op, Type* input);
46
43 enum ComparisonOutcomeFlags { 47 enum ComparisonOutcomeFlags {
44 kComparisonTrue = 1, 48 kComparisonTrue = 1,
45 kComparisonFalse = 2, 49 kComparisonFalse = 2,
46 kComparisonUndefined = 4 50 kComparisonUndefined = 4
47 }; 51 };
48 52
49 // Javascript binop typers. 53 // Javascript binop typers.
50 #define DECLARE_CASE(x) Type* Type##x(Type* lhs, Type* rhs); 54 #define DECLARE_CASE(x) Type* Type##x(Type* lhs, Type* rhs);
51 JS_SIMPLE_BINOP_LIST(DECLARE_CASE) 55 JS_SIMPLE_BINOP_LIST(DECLARE_CASE)
52 #undef DECLARE_CASE 56 #undef DECLARE_CASE
(...skipping 24 matching lines...) Expand all
77 Type* singleton_false_; 81 Type* singleton_false_;
78 Type* singleton_true_; 82 Type* singleton_true_;
79 Type* singleton_the_hole_; 83 Type* singleton_the_hole_;
80 }; 84 };
81 85
82 } // namespace compiler 86 } // namespace compiler
83 } // namespace internal 87 } // namespace internal
84 } // namespace v8 88 } // namespace v8
85 89
86 #endif // V8_COMPILER_OPERATION_TYPER_H_ 90 #endif // V8_COMPILER_OPERATION_TYPER_H_
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