mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-11-23 12:10:06 +00:00
75 lines
2.9 KiB
C
75 lines
2.9 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_ADD_COPY_MEMORY_H_
|
||
|
|
#define SOURCE_FUZZ_TRANSFORMATION_ADD_COPY_MEMORY_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 TransformationAddCopyMemory : public Transformation {
|
||
|
|
public:
|
||
|
|
explicit TransformationAddCopyMemory(
|
||
|
|
const protobufs::TransformationAddCopyMemory& message);
|
||
|
|
|
||
|
|
TransformationAddCopyMemory(
|
||
|
|
const protobufs::InstructionDescriptor& instruction_descriptor,
|
||
|
|
uint32_t fresh_id, uint32_t source_id, SpvStorageClass storage_class,
|
||
|
|
uint32_t initializer_id);
|
||
|
|
|
||
|
|
// - |instruction_descriptor| must point to a valid instruction in the module.
|
||
|
|
// - it should be possible to insert OpCopyMemory before
|
||
|
|
// |instruction_descriptor| (i.e. the module remains valid after the
|
||
|
|
// insertion).
|
||
|
|
// - |source_id| must be a result id for some valid instruction in the module.
|
||
|
|
// - |fresh_id| must be a fresh id to copy memory into.
|
||
|
|
// - type of |source_id| must be OpTypePointer where pointee can be used with
|
||
|
|
// OpCopyMemory.
|
||
|
|
// - |storage_class| must be either Private or Function.
|
||
|
|
// - type ids of instructions with result ids |source_id| and |initialize_id|
|
||
|
|
// must be the same.
|
||
|
|
bool IsApplicable(
|
||
|
|
opt::IRContext* ir_context,
|
||
|
|
const TransformationContext& transformation_context) const override;
|
||
|
|
|
||
|
|
// A global or local variable with id |target_id| and |storage_class| class is
|
||
|
|
// created. An 'OpCopyMemory %fresh_id %source_id' instruction is inserted
|
||
|
|
// before the |instruction_descriptor|.
|
||
|
|
void Apply(opt::IRContext* ir_context,
|
||
|
|
TransformationContext* transformation_context) const override;
|
||
|
|
|
||
|
|
protobufs::Transformation ToMessage() const override;
|
||
|
|
|
||
|
|
// Returns true if we can copy memory from |instruction| using OpCopyMemory.
|
||
|
|
static bool IsInstructionSupported(opt::IRContext* ir_context,
|
||
|
|
opt::Instruction* inst);
|
||
|
|
|
||
|
|
private:
|
||
|
|
// Returns whether the type, pointed to by some OpTypePointer, can be used
|
||
|
|
// with OpCopyMemory instruction.
|
||
|
|
static bool CanUsePointeeWithCopyMemory(const opt::analysis::Type& type);
|
||
|
|
|
||
|
|
protobufs::TransformationAddCopyMemory message_;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace fuzz
|
||
|
|
} // namespace spvtools
|
||
|
|
|
||
|
|
#endif // SOURCE_FUZZ_TRANSFORMATION_ADD_COPY_MEMORY_H_
|