mirror of
https://github.com/KhronosGroup/SPIRV-Tools
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106 lines
5.5 KiB
C
106 lines
5.5 KiB
C
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// Copyright (c) 2020 André Perez Maselco
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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_EXPAND_VECTOR_REDUCTION_H_
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#define SOURCE_FUZZ_TRANSFORMATION_EXPAND_VECTOR_REDUCTION_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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// clang-format off
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// SPIR-V code to help understand the transformation.
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//
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// -------------------------------------------------------------------------------
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// | Reference shader | Variant shader |
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// -------------------------------------------------------------------------------
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// | OpCapability Shader | OpCapability Shader |
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// | %1 = OpExtInstImport "GLSL.std.450" | %1 = OpExtInstImport "GLSL.std.450" |
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// | OpMemoryModel Logical GLSL450 | OpMemoryModel Logical GLSL450 |
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// | OpEntryPoint Vertex %9 "main" | OpEntryPoint Vertex %9 "main" |
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// | | |
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// | ; Types | ; Types |
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// | %2 = OpTypeBool | %2 = OpTypeBool |
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// | %3 = OpTypeVector %2 2 | %3 = OpTypeVector %2 2 |
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// | %4 = OpTypeVoid | %4 = OpTypeVoid |
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// | %5 = OpTypeFunction %4 | %5 = OpTypeFunction %4 |
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// | | |
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// | ; Constants | ; Constants |
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// | %6 = OpConstantTrue %2 | %6 = OpConstantTrue %2 |
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// | %7 = OpConstantFalse %2 | %7 = OpConstantFalse %2 |
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// | %8 = OpConstantComposite %3 %6 %7 | %8 = OpConstantComposite %3 %6 %7 |
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// | | |
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// | ; main function | ; main function |
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// | %9 = OpFunction %4 None %5 | %9 = OpFunction %4 None %5 |
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// | %10 = OpLabel | %10 = OpLabel |
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// | %11 = OpAny %2 %8 | |
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// | %12 = OpAll %2 %8 | ; Add OpAny synonym |
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// | OpReturn | %13 = OpCompositeExtract %2 %8 0 |
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// | OpFunctionEnd | %14 = OpCompositeExtract %2 %8 1 |
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// | | %15 = OpLogicalOr %2 %13 %14 |
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// | | %11 = OpAny %2 %8 |
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// | | |
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// | | ; Add OpAll synonym |
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// | | %16 = OpCompositeExtract %2 %8 0 |
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// | | %17 = OpCompositeExtract %2 %8 1 |
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// | | %18 = OpLogicalAnd %2 %16 %17 |
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// | | %12 = OpAll %2 %8 |
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// | | OpReturn |
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// | | OpFunctionEnd |
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// -------------------------------------------------------------------------------
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//
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// %11 and %15 are synonymous
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// %12 and %18 are synonymous
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// clang-format on
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class TransformationExpandVectorReduction : public Transformation {
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public:
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explicit TransformationExpandVectorReduction(
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const protobufs::TransformationExpandVectorReduction& message);
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TransformationExpandVectorReduction(const uint32_t instruction_result_id,
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const std::vector<uint32_t>& fresh_ids);
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// - |message_.instruction_result_id| must be OpAny or OpAll.
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// - |message_.fresh_ids| must be fresh ids needed to apply the
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// transformation.
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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 synonyms for OpAny and OpAll instructions by evaluating each vector
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// component with the corresponding logical operation.
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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 the number of fresh ids required to apply the transformation.
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static uint32_t GetRequiredFreshIdCount(opt::IRContext* ir_context,
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opt::Instruction* instruction);
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private:
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protobufs::TransformationExpandVectorReduction 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_EXPAND_VECTOR_REDUCTION_H_
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