68 lines
2.6 KiB
C++
68 lines
2.6 KiB
C++
// Copyright (c) 2020 Google LLC
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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_FUNCTION_CALL_H_
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#define SOURCE_FUZZ_TRANSFORMATION_FUNCTION_CALL_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 TransformationFunctionCall : public Transformation {
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public:
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explicit TransformationFunctionCall(
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const protobufs::TransformationFunctionCall& message);
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TransformationFunctionCall(
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uint32_t fresh_id, uint32_t callee_id,
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const std::vector<uint32_t>& argument_id,
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const protobufs::InstructionDescriptor& instruction_to_insert_before);
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// - |message_.fresh_id| must be fresh
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// - |message_.instruction_to_insert_before| must identify an instruction
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// before which an OpFunctionCall can be legitimately inserted
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// - |message_.function_id| must be the id of a function, and calling the
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// function before the identified instruction must not introduce recursion
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// - |message_.arg_id| must provide suitable arguments for the function call
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// (they must have the right types and be available according to dominance
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// rules)
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// - If the insertion point is not in a dead block then |message_function_id|
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// must refer to a livesafe function, and every pointer argument in
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// |message_.arg_id| must refer to an arbitrary-valued variable
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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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// Adds an instruction of the form:
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// |fresh_id| = OpFunctionCall %type |callee_id| |arg_id...|
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// before |instruction_to_insert_before|, where %type is the return type of
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// |callee_id|.
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void Apply(opt::IRContext* ir_context,
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TransformationContext* transformation_context) const override;
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protobufs::Transformation ToMessage() const override;
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private:
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protobufs::TransformationFunctionCall 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_FUNCTION_CALL_H_
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