source/fuzz/transformation_set_function_control.h

   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       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_