mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-11-29 22:41:03 +00:00
bed84792f9
Adapts all transformation classes so that their protobuf message is passed by value and then moved into the message_ field.
80 lines
3.1 KiB
C++
80 lines
3.1 KiB
C++
// Copyright (c) 2020 Vasyl Teliman
|
|
//
|
|
// 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_MUTATE_POINTER_H_
|
|
#define SOURCE_FUZZ_TRANSFORMATION_MUTATE_POINTER_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 TransformationMutatePointer : public Transformation {
|
|
public:
|
|
explicit TransformationMutatePointer(
|
|
protobufs::TransformationMutatePointer message);
|
|
|
|
explicit TransformationMutatePointer(
|
|
uint32_t pointer_id, uint32_t fresh_id,
|
|
const protobufs::InstructionDescriptor& insert_before);
|
|
|
|
// - |fresh_id| must be fresh.
|
|
// - |insert_before| must be a valid instruction descriptor of some
|
|
// instruction in the module.
|
|
// - It should be possible to insert OpLoad and OpStore before
|
|
// |insert_before|.
|
|
// - |pointer_id| must be a result id of some instruction in the module.
|
|
// - Instruction with result id |pointer_id| must be valid (see
|
|
// IsValidPointerInstruction method).
|
|
// - There must exist an irrelevant constant in the module. Type of the
|
|
// constant must be equal to the type of the |pointer_id|'s pointee.
|
|
// - |pointer_id| must be available (according to the dominance rules) before
|
|
// |insert_before|.
|
|
bool IsApplicable(
|
|
opt::IRContext* ir_context,
|
|
const TransformationContext& transformation_context) const override;
|
|
|
|
// Inserts the following instructions before |insert_before|:
|
|
// %fresh_id = OpLoad %pointee_type_id %pointer_id
|
|
// OpStore %pointer_id %constant_id
|
|
// OpStore %pointer_id %fresh_id
|
|
void Apply(opt::IRContext* ir_context,
|
|
TransformationContext* transformation_context) const override;
|
|
|
|
std::unordered_set<uint32_t> GetFreshIds() const override;
|
|
|
|
protobufs::Transformation ToMessage() const override;
|
|
|
|
// Returns true if |inst| valid pointer according to the following:
|
|
// - |inst| has result id and type id.
|
|
// - |inst| is neither OpUndef nor OpConstantNull.
|
|
// - |inst| has a pointer type.
|
|
// - |inst|'s storage class is either Private, Function or Workgroup.
|
|
// - |inst|'s pointee type and all its constituents are either scalar or
|
|
// composite.
|
|
static bool IsValidPointerInstruction(opt::IRContext* ir_context,
|
|
const opt::Instruction& inst);
|
|
|
|
private:
|
|
protobufs::TransformationMutatePointer message_;
|
|
};
|
|
|
|
} // namespace fuzz
|
|
} // namespace spvtools
|
|
|
|
#endif // SOURCE_FUZZ_TRANSFORMATION_MUTATE_POINTER_H_
|