1/**
2 * Copyright (c) Glow Contributors. See CONTRIBUTORS file.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16#ifndef GLOW_IR_INSTRS_H
17#define GLOW_IR_INSTRS_H
18
19#include "glow/Base/Traits.h"
20#include "glow/Base/Type.h"
21#include "glow/Graph/Nodes.h"
22#include "glow/IR/IR.h"
23
24#include "llvm/ADT/ArrayRef.h"
25#include "llvm/Support/Casting.h"
26
27namespace glow {
28
29class WeightVar : public Value {
30public:
31 enum class MutabilityKind {
32 Constant, // A read-only region of memory.
33 Mutable, // A read/write region of memory.
34 };
35
36private:
37 /// The mutability mode.
38 MutabilityKind mut_;
39
40public:
41 WeightVar(llvm::StringRef name, TypeRef Ty, MutabilityKind mut)
42 : Value(name, Ty, Kinded::Kind::WeightVarKind), mut_(mut) {}
43
44 static bool classof(const Kinded *k) {
45 return k->getKind() == Kinded::Kind::WeightVarKind;
46 }
47
48 static const char *getMutabilityStr(MutabilityKind mut);
49
50 const char *getMutabilityStr() const;
51
52 /// \returns true if the mutability kind of the weight is constant.
53 bool isConstant() const {
54 return getMutability() == MutabilityKind::Constant;
55 }
56
57 /// \returns the mutability kind of the weight.
58 MutabilityKind getMutability() const { return mut_; }
59
60 /// Updates the mutability kind of the weight to \p mut.
61 void setMutability(MutabilityKind mut) { mut_ = mut; }
62
63 void dump(llvm::raw_ostream &os) const;
64 void verify() const {}
65};
66
67} // namespace glow
68
69// The rest of the nodes are auto-generated into this file:
70#include "glow/AutoGenInstr.h"
71
72#endif // GLOW_IR_INSTRS_H
73