1 // Copyright (c) 2020 Vasyl Teliman
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //     http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #ifndef SOURCE_FUZZ_TRANSFORMATION_ADD_SPEC_CONSTANT_OP_H_
16 #define SOURCE_FUZZ_TRANSFORMATION_ADD_SPEC_CONSTANT_OP_H_
17 
18 #include "source/fuzz/protobufs/spirvfuzz_protobufs.h"
19 #include "source/fuzz/transformation.h"
20 #include "source/fuzz/transformation_context.h"
21 #include "source/opt/ir_context.h"
22 
23 namespace spvtools {
24 namespace fuzz {
25 
26 class TransformationAddSpecConstantOp : public Transformation {
27  public:
28   explicit TransformationAddSpecConstantOp(
29       protobufs::TransformationAddSpecConstantOp message);
30 
31   TransformationAddSpecConstantOp(
32       uint32_t fresh_id, uint32_t type_id, SpvOp opcode,
33       const opt::Instruction::OperandList& operands);
34 
35   // - |fresh_id| is a fresh result id in the module.
36   // - |type_id| is a valid result id of some OpType* instruction in the
37   // module. It is also a valid type id with respect to |opcode|.
38   // - |opcode| is one of the opcodes supported by OpSpecConstantOp.
39   // - |operands| are valid with respect to |opcode|
40   bool IsApplicable(
41       opt::IRContext* ir_context,
42       const TransformationContext& transformation_context) const override;
43 
44   // |%fresh_id = OpSpecConstantOp %type_id opcode operands...| is added to the
45   // module.
46   void Apply(opt::IRContext* ir_context,
47              TransformationContext* transformation_context) const override;
48 
49   std::unordered_set<uint32_t> GetFreshIds() const override;
50 
51   protobufs::Transformation ToMessage() const override;
52 
53  private:
54   void ApplyImpl(opt::IRContext* ir_context) const;
55 
56   protobufs::TransformationAddSpecConstantOp message_;
57 };
58 
59 }  // namespace fuzz
60 }  // namespace spvtools
61 
62 #endif  // SOURCE_FUZZ_TRANSFORMATION_ADD_SPEC_CONSTANT_OP_H_
63