1// Copyright 2013 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_PROPERTIES_H_
6#define V8_COMPILER_OPERATOR_PROPERTIES_H_
7
8namespace v8 {
9namespace internal {
10namespace compiler {
11
12class Operator;
13
14class OperatorProperties {
15 public:
16  static inline bool HasValueInput(const Operator* op);
17  static inline bool HasContextInput(const Operator* op);
18  static inline bool HasEffectInput(const Operator* op);
19  static inline bool HasControlInput(const Operator* op);
20  static inline bool HasFrameStateInput(const Operator* op);
21
22  static inline int GetValueInputCount(const Operator* op);
23  static inline int GetContextInputCount(const Operator* op);
24  static inline int GetEffectInputCount(const Operator* op);
25  static inline int GetControlInputCount(const Operator* op);
26  static inline int GetFrameStateInputCount(const Operator* op);
27  static inline int GetTotalInputCount(const Operator* op);
28
29  static inline bool HasValueOutput(const Operator* op);
30  static inline bool HasEffectOutput(const Operator* op);
31  static inline bool HasControlOutput(const Operator* op);
32
33  static inline int GetValueOutputCount(const Operator* op);
34  static inline int GetEffectOutputCount(const Operator* op);
35  static inline int GetControlOutputCount(const Operator* op);
36
37  static inline bool IsBasicBlockBegin(const Operator* op);
38};
39
40}  // namespace compiler
41}  // namespace internal
42}  // namespace v8
43
44#endif  // V8_COMPILER_OPERATOR_PROPERTIES_H_
45