1 // Copyright (c) 2019 Google LLC
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_CONSTANT_SCALAR_H_
16 #define SOURCE_FUZZ_TRANSFORMATION_ADD_CONSTANT_SCALAR_H_
17 
18 #include <vector>
19 
20 #include "source/fuzz/protobufs/spirvfuzz_protobufs.h"
21 #include "source/fuzz/transformation.h"
22 #include "source/fuzz/transformation_context.h"
23 #include "source/opt/ir_context.h"
24 
25 namespace spvtools {
26 namespace fuzz {
27 
28 class TransformationAddConstantScalar : public Transformation {
29  public:
30   explicit TransformationAddConstantScalar(
31       const protobufs::TransformationAddConstantScalar& message);
32 
33   TransformationAddConstantScalar(uint32_t fresh_id, uint32_t type_id,
34                                   const std::vector<uint32_t>& words,
35                                   bool is_irrelevant);
36 
37   // - |message_.fresh_id| must not be used by the module
38   // - |message_.type_id| must be the id of a floating-point or integer type
39   // - The size of |message_.word| must be compatible with the width of this
40   //   type
41   bool IsApplicable(
42       opt::IRContext* ir_context,
43       const TransformationContext& transformation_context) const override;
44 
45   // Adds a new OpConstant instruction with the given type and words.
46   // Creates an IdIsIrrelevant fact about |fresh_id| if |is_irrelevant| is true.
47   void Apply(opt::IRContext* ir_context,
48              TransformationContext* transformation_context) const override;
49 
50   std::unordered_set<uint32_t> GetFreshIds() const override;
51 
52   protobufs::Transformation ToMessage() const override;
53 
54  private:
55   protobufs::TransformationAddConstantScalar message_;
56 };
57 
58 }  // namespace fuzz
59 }  // namespace spvtools
60 
61 #endif  // SOURCE_FUZZ_TRANSFORMATION_ADD_CONSTANT_SCALAR_H_
62