SPIRV-Tools/source/fuzz/transformation_move_block_down.h
Alastair Donaldson 209ff0ce90
Add spirv-fuzz pass to permute blocks. (#2642)
The blocks within each function in the module will be permuted in a
randomized manner that respects dominance.
2019-05-31 09:59:06 +01:00

47 lines
1.8 KiB
C++

// Copyright (c) 2019 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef SOURCE_FUZZ_TRANSFORMATION_MOVE_BLOCK_DOWN_H_
#define SOURCE_FUZZ_TRANSFORMATION_MOVE_BLOCK_DOWN_H_
#include "source/fuzz/fact_manager.h"
#include "source/fuzz/protobufs/spirvfuzz_protobufs.h"
#include "source/opt/ir_context.h"
namespace spvtools {
namespace fuzz {
namespace transformation {
// - |block_id| must be the id of a block b in the given module.
// - b must not be the first nor last block appearing, in program order,
// in a function.
// - b must not dominate the block that follows it in program order.
bool IsApplicable(const protobufs::TransformationMoveBlockDown& message,
opt::IRContext* context, const FactManager& fact_manager);
// The block with id |block_id| is moved down; i.e. the program order
// between it and the block that follows it is swapped.
void Apply(const protobufs::TransformationMoveBlockDown& message,
opt::IRContext* context, FactManager* fact_manager);
// Creates a protobuf message to move down the block with id |id|.
protobufs::TransformationMoveBlockDown MakeTransformationMoveBlockDown(
uint32_t id);
} // namespace transformation
} // namespace fuzz
} // namespace spvtools
#endif // SOURCE_FUZZ_TRANSFORMATION_MOVE_BLOCK_DOWN_H_