114 строки
3.5 KiB
C++
114 строки
3.5 KiB
C++
// Copyright (c) 2019 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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#include "source/fuzz/transformation_add_no_contraction_decoration.h"
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#include "source/fuzz/fuzzer_util.h"
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namespace spvtools {
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namespace fuzz {
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TransformationAddNoContractionDecoration::
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TransformationAddNoContractionDecoration(
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protobufs::TransformationAddNoContractionDecoration message)
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: message_(std::move(message)) {}
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TransformationAddNoContractionDecoration::
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TransformationAddNoContractionDecoration(uint32_t result_id) {
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message_.set_result_id(result_id);
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}
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bool TransformationAddNoContractionDecoration::IsApplicable(
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opt::IRContext* ir_context, const TransformationContext& /*unused*/) const {
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// |message_.result_id| must be the id of an instruction.
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auto instr = ir_context->get_def_use_mgr()->GetDef(message_.result_id());
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if (!instr) {
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return false;
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}
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// The instruction must be arithmetic.
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return IsArithmetic(instr->opcode());
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}
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void TransformationAddNoContractionDecoration::Apply(
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opt::IRContext* ir_context, TransformationContext* /*unused*/) const {
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// Add a NoContraction decoration targeting |message_.result_id|.
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ir_context->get_decoration_mgr()->AddDecoration(
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message_.result_id(), uint32_t(spv::Decoration::NoContraction));
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}
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protobufs::Transformation TransformationAddNoContractionDecoration::ToMessage()
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const {
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protobufs::Transformation result;
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*result.mutable_add_no_contraction_decoration() = message_;
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return result;
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}
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bool TransformationAddNoContractionDecoration::IsArithmetic(spv::Op opcode) {
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switch (opcode) {
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case spv::Op::OpSNegate:
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case spv::Op::OpFNegate:
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case spv::Op::OpIAdd:
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case spv::Op::OpFAdd:
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case spv::Op::OpISub:
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case spv::Op::OpFSub:
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case spv::Op::OpIMul:
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case spv::Op::OpFMul:
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case spv::Op::OpUDiv:
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case spv::Op::OpSDiv:
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case spv::Op::OpFDiv:
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case spv::Op::OpUMod:
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case spv::Op::OpSRem:
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case spv::Op::OpSMod:
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case spv::Op::OpFRem:
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case spv::Op::OpFMod:
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case spv::Op::OpVectorTimesScalar:
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case spv::Op::OpMatrixTimesScalar:
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case spv::Op::OpVectorTimesMatrix:
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case spv::Op::OpMatrixTimesVector:
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case spv::Op::OpMatrixTimesMatrix:
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case spv::Op::OpOuterProduct:
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case spv::Op::OpDot:
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case spv::Op::OpIAddCarry:
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case spv::Op::OpISubBorrow:
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case spv::Op::OpUMulExtended:
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case spv::Op::OpSMulExtended:
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case spv::Op::OpAny:
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case spv::Op::OpAll:
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case spv::Op::OpIsNan:
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case spv::Op::OpIsInf:
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case spv::Op::OpIsFinite:
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case spv::Op::OpIsNormal:
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case spv::Op::OpSignBitSet:
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case spv::Op::OpLessOrGreater:
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case spv::Op::OpOrdered:
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case spv::Op::OpUnordered:
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case spv::Op::OpLogicalEqual:
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case spv::Op::OpLogicalNotEqual:
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case spv::Op::OpLogicalOr:
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case spv::Op::OpLogicalAnd:
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case spv::Op::OpLogicalNot:
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return true;
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default:
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return false;
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}
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}
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std::unordered_set<uint32_t>
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TransformationAddNoContractionDecoration::GetFreshIds() const {
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return std::unordered_set<uint32_t>();
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}
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} // namespace fuzz
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} // namespace spvtools
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