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1 // Copyright (c) 2020 André Perez Maselco
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_MAKE_VECTOR_OPERATION_DYNAMIC_H_
16 #define SOURCE_FUZZ_TRANSFORMATION_MAKE_VECTOR_OPERATION_DYNAMIC_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 TransformationMakeVectorOperationDynamic : public Transformation {
27  public:
28   explicit TransformationMakeVectorOperationDynamic(
29       protobufs::TransformationMakeVectorOperationDynamic message);
30 
31   TransformationMakeVectorOperationDynamic(uint32_t instruction_result_id,
32                                            uint32_t constant_index_id);
33 
34   // - |message_.instruction_result_id| must be the result id of an
35   // OpCompositeExtract/Insert instruction such that the composite operand is a
36   // vector.
37   // - |message_.constant_index_id| must be the result id of an integer
38   // instruction such that its value equals the indexing literal of the
39   // OpCompositeExtract/Insert instruction.
40   bool IsApplicable(
41       opt::IRContext* ir_context,
42       const TransformationContext& transformation_context) const override;
43 
44   // Replaces the OpCompositeExtract and OpCompositeInsert instructions with the
45   // OpVectorExtractDynamic and OpVectorInsertDynamic instructions.
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   // Checks |instruction| is defined, is an OpCompositeExtract/Insert
54   // instruction and the composite operand is a vector.
55   static bool IsVectorOperation(opt::IRContext* ir_context,
56                                 opt::Instruction* instruction);
57 
58  private:
59   protobufs::TransformationMakeVectorOperationDynamic message_;
60 };
61 
62 }  // namespace fuzz
63 }  // namespace spvtools
64 
65 #endif  // SOURCE_FUZZ_TRANSFORMATION_MAKE_VECTOR_OPERATION_DYNAMIC_H_
66