mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-11-30 06:50:06 +00:00
f050cca7ec
Makes an id synonym by storing an id to a new variable and then loading it back from that variable. Fixes #3192.
65 lines
2.5 KiB
C++
65 lines
2.5 KiB
C++
// Copyright (c) 2020 André Perez Maselco
|
|
//
|
|
// 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_PUSH_ID_THROUGH_VARIABLE_H_
|
|
#define SOURCE_FUZZ_TRANSFORMATION_PUSH_ID_THROUGH_VARIABLE_H_
|
|
|
|
#include "source/fuzz/protobufs/spirvfuzz_protobufs.h"
|
|
#include "source/fuzz/transformation.h"
|
|
#include "source/fuzz/transformation_context.h"
|
|
#include "source/opt/ir_context.h"
|
|
|
|
namespace spvtools {
|
|
namespace fuzz {
|
|
|
|
class TransformationPushIdThroughVariable : public Transformation {
|
|
public:
|
|
explicit TransformationPushIdThroughVariable(
|
|
const protobufs::TransformationPushIdThroughVariable& message);
|
|
|
|
TransformationPushIdThroughVariable(
|
|
uint32_t value_id, uint32_t value_synonym_fresh_id,
|
|
uint32_t variable_fresh_id, uint32_t variable_storage_class,
|
|
const protobufs::InstructionDescriptor& instruction_descriptor);
|
|
|
|
// - |message_.value_id| must be an instruction result id that has the same
|
|
// type as the pointee type of |message_.pointer_id|
|
|
// - |message_.value_synonym_id| must be fresh
|
|
// - |message_.variable_id| must be fresh
|
|
// - |message_.variable_storage_class| must be either StorageClassPrivate or
|
|
// StorageClassFunction
|
|
// - |message_.instruction_descriptor| must identify an instruction
|
|
// which it is valid to insert the OpStore and OpLoad instructions before it
|
|
// and must be belongs to a reachable block.
|
|
bool IsApplicable(
|
|
opt::IRContext* ir_context,
|
|
const TransformationContext& transformation_context) const override;
|
|
|
|
// Stores |value_id| to |variable_id|, loads |variable_id| to
|
|
// |value_synonym_id| and adds the fact that |value_synonym_id| and |value_id|
|
|
// are synonymous.
|
|
void Apply(opt::IRContext* ir_context,
|
|
TransformationContext* transformation_context) const override;
|
|
|
|
protobufs::Transformation ToMessage() const override;
|
|
|
|
private:
|
|
protobufs::TransformationPushIdThroughVariable message_;
|
|
};
|
|
|
|
} // namespace fuzz
|
|
} // namespace spvtools
|
|
|
|
#endif // SOURCE_FUZZ_TRANSFORMATION_PUSH_ID_THROUGH_VARIABLE_H_
|