mirror of
https://gitee.com/openharmony/third_party_spirv-tools
synced 2024-11-23 07:20:28 +00:00
bed84792f9
Adapts all transformation classes so that their protobuf message is passed by value and then moved into the message_ field.
96 lines
4.1 KiB
C++
96 lines
4.1 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_VECTOR_SHUFFLE_H_
|
|
#define SOURCE_FUZZ_TRANSFORMATION_VECTOR_SHUFFLE_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"
|
|
#include "source/opt/types.h"
|
|
|
|
namespace spvtools {
|
|
namespace fuzz {
|
|
|
|
class TransformationVectorShuffle : public Transformation {
|
|
public:
|
|
explicit TransformationVectorShuffle(
|
|
protobufs::TransformationVectorShuffle message);
|
|
|
|
TransformationVectorShuffle(
|
|
const protobufs::InstructionDescriptor& instruction_to_insert_before,
|
|
uint32_t fresh_id, uint32_t vector1, uint32_t vector2,
|
|
const std::vector<uint32_t>& component);
|
|
|
|
// - |message_.fresh_id| must not be in use
|
|
// - |message_.instruction_to_insert_before| must identify an instruction
|
|
// before which it is legitimate to insert an OpVectorShuffle
|
|
// - |message_.vector1| and |message_.vector2| must be instructions of vector
|
|
// type, and the element types of these vectors must be the same
|
|
// - Each element of |message_.component| must either be 0xFFFFFFFF
|
|
// (representing an undefined component), or must be less than the combined
|
|
// sizes of the input vectors
|
|
// - The module must already contain a vector type with the same element type
|
|
// as |message_.vector1| and |message_.vector2|, and with the size of
|
|
// |message_component| as its element count
|
|
bool IsApplicable(
|
|
opt::IRContext* ir_context,
|
|
const TransformationContext& transformation_context) const override;
|
|
|
|
// Inserts an OpVectorShuffle instruction before
|
|
// |message_.instruction_to_insert_before|, shuffles vectors
|
|
// |message_.vector1| and |message_.vector2| using the indices provided by
|
|
// |message_.component|, into |message_.fresh_id|.
|
|
//
|
|
// If |message_.fresh_id| is irrelevant (e.g. due to being in a dead block)
|
|
// of if one of |message_.vector1| or |message_.vector2| is irrelevant and the
|
|
// shuffle reads components from the irrelevant vector then no synonym facts
|
|
// are added.
|
|
//
|
|
// Otherwise, a fact is added recording that element of |message_.fresh_id| is
|
|
// synonymous with the element of |message_.vector1| or |message_.vector2|
|
|
// from which it came (with undefined components being ignored).
|
|
void Apply(opt::IRContext* ir_context,
|
|
TransformationContext* transformation_context) const override;
|
|
|
|
std::unordered_set<uint32_t> GetFreshIds() const override;
|
|
|
|
protobufs::Transformation ToMessage() const override;
|
|
|
|
private:
|
|
// Returns a type id that already exists in |ir_context| suitable for
|
|
// representing the result of the shuffle, where |element_type| is known to
|
|
// be the common element type of the vectors to which the shuffle is being
|
|
// applied. Returns 0 if no such id exists.
|
|
uint32_t GetResultTypeId(opt::IRContext* ir_context,
|
|
const opt::analysis::Type& element_type) const;
|
|
|
|
// Returns the type associated with |id_of_vector| in |ir_context|.
|
|
static opt::analysis::Vector* GetVectorType(opt::IRContext* ir_context,
|
|
uint32_t id_of_vector);
|
|
|
|
// Helper method for adding data synonym facts when applying the
|
|
// transformation to |ir_context| and |transformation_context|.
|
|
void AddDataSynonymFacts(opt::IRContext* ir_context,
|
|
TransformationContext* transformation_context) const;
|
|
|
|
protobufs::TransformationVectorShuffle message_;
|
|
};
|
|
|
|
} // namespace fuzz
|
|
} // namespace spvtools
|
|
|
|
#endif // SOURCE_FUZZ_TRANSFORMATION_VECTOR_SHUFFLE_H_
|