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https://github.com/KhronosGroup/SPIRV-Tools
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71 lines
2.8 KiB
C++
71 lines
2.8 KiB
C++
// Copyright (c) 2020 Vasyl Teliman
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef SOURCE_FUZZ_TRANSFORMATION_REPLACE_PARAMETER_WITH_GLOBAL_H_
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#define SOURCE_FUZZ_TRANSFORMATION_REPLACE_PARAMETER_WITH_GLOBAL_H_
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#include "source/fuzz/protobufs/spirvfuzz_protobufs.h"
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#include "source/fuzz/transformation.h"
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#include "source/fuzz/transformation_context.h"
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#include "source/opt/ir_context.h"
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namespace spvtools {
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namespace fuzz {
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class TransformationReplaceParameterWithGlobal : public Transformation {
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public:
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explicit TransformationReplaceParameterWithGlobal(
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const protobufs::TransformationReplaceParameterWithGlobal& message);
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TransformationReplaceParameterWithGlobal(uint32_t function_type_fresh_id,
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uint32_t parameter_id,
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uint32_t global_variable_fresh_id);
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// - |function_type_fresh_id| is a fresh id.
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// - |parameter_id| is the result id of the parameter to replace.
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// - |global_variable_fresh_id| is a fresh id.
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// - |function_type_fresh_id| is not equal to |global_variable_fresh_id|.
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// - the function that contains |parameter_id| may not be an entry-point
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// function.
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bool IsApplicable(
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opt::IRContext* ir_context,
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const TransformationContext& transformation_context) const override;
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// - Removes parameter with result id |parameter_id| from its function
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// - Adds a global variable to store the value for the parameter
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// - Add an OpStore instruction before each function call to
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// store parameter's value into the variable
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// - Adds OpLoad at the beginning of the function to load the
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// value from the variable into the old parameter's id
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void Apply(opt::IRContext* ir_context,
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TransformationContext* transformation_context) const override;
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std::unordered_set<uint32_t> GetFreshIds() const override;
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protobufs::Transformation ToMessage() const override;
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// Returns true if the type of the parameter is supported by this
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// transformation.
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static bool IsParameterTypeSupported(opt::IRContext* ir_context,
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uint32_t param_type_id);
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private:
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protobufs::TransformationReplaceParameterWithGlobal message_;
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};
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} // namespace fuzz
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} // namespace spvtools
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#endif // SOURCE_FUZZ_TRANSFORMATION_REPLACE_PARAMETER_WITH_GLOBAL_H_
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