SPIRV-Tools/source/fuzz/transformation_add_global_undef.h
Alastair Donaldson 38d7fbaad0
spirv-fuzz: Transformations to add types, constants and variables (#3101)
This change adds several transformations that allow types, constants,
undefined values and global variables to be added to a module.
2019-12-16 23:54:13 +00:00

52 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_ADD_GLOBAL_UNDEF_H_
#define SOURCE_FUZZ_TRANSFORMATION_ADD_GLOBAL_UNDEF_H_
#include "source/fuzz/fact_manager.h"
#include "source/fuzz/protobufs/spirvfuzz_protobufs.h"
#include "source/fuzz/transformation.h"
#include "source/opt/ir_context.h"
namespace spvtools {
namespace fuzz {
class TransformationAddGlobalUndef : public Transformation {
public:
explicit TransformationAddGlobalUndef(
const protobufs::TransformationAddGlobalUndef& message);
TransformationAddGlobalUndef(uint32_t fresh_id, uint32_t type_id);
// - |message_.fresh_id| must be fresh
// - |message_.type_id| must be the id of a non-function type
bool IsApplicable(opt::IRContext* context,
const FactManager& fact_manager) const override;
// Adds an OpUndef instruction to the module, with |message_.type_id| as its
// type. The instruction has result id |message_.fresh_id|.
void Apply(opt::IRContext* context, FactManager* fact_manager) const override;
protobufs::Transformation ToMessage() const override;
private:
protobufs::TransformationAddGlobalUndef message_;
};
} // namespace fuzz
} // namespace spvtools
#endif // SOURCE_FUZZ_TRANSFORMATION_ADD_GLOBAL_UNDEF_H_