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_SET_FUNCTION_CONTROL_H_
16 #define SOURCE_FUZZ_TRANSFORMATION_SET_FUNCTION_CONTROL_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 TransformationSetFunctionControl : public Transformation {
27  public:
28   explicit TransformationSetFunctionControl(
29       const protobufs::TransformationSetFunctionControl& message);
30 
31   TransformationSetFunctionControl(uint32_t function_id,
32                                    uint32_t function_control);
33 
34   // - |message_.function_id| must be the result id of an OpFunction
35   //   instruction.
36   // - |message_.function_control| must be a function control mask that sets
37   //   at most one of 'Inline' or 'DontInline', and that may not contain 'Pure'
38   //   (respectively 'Const') unless the existing function control mask contains
39   //   'Pure' (respectively 'Const').
40   bool IsApplicable(
41       opt::IRContext* ir_context,
42       const TransformationContext& transformation_context) const override;
43 
44   // The function control operand of instruction |message_.function_id| is
45   // over-written with |message_.function_control|.
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   opt::Instruction* FindFunctionDefInstruction(
55       opt::IRContext* ir_context) const;
56 
57   protobufs::TransformationSetFunctionControl message_;
58 };
59 
60 }  // namespace fuzz
61 }  // namespace spvtools
62 
63 #endif  // SOURCE_FUZZ_TRANSFORMATION_SET_FUNCTION_CONTROL_H_
64