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// Copyright (c) 2020 Vasyl Teliman
//
// 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.
#include "source/fuzz/transformation_add_spec_constant_op.h"
#include <utility>
#include "source/fuzz/fuzzer_util.h"
namespace spvtools {
namespace fuzz {
TransformationAddSpecConstantOp::TransformationAddSpecConstantOp(
spvtools::fuzz::protobufs::TransformationAddSpecConstantOp message)
: message_(std::move(message)) {}
TransformationAddSpecConstantOp::TransformationAddSpecConstantOp(
uint32_t fresh_id, uint32_t type_id, spv::Op opcode,
const opt::Instruction::OperandList& operands) {
message_.set_fresh_id(fresh_id);
message_.set_type_id(type_id);
message_.set_opcode(uint32_t(opcode));
for (const auto& operand : operands) {
auto* op = message_.add_operand();
op->set_operand_type(operand.type);
for (auto word : operand.words) {
op->add_operand_data(word);
}
}
}
bool TransformationAddSpecConstantOp::IsApplicable(
opt::IRContext* ir_context,
const TransformationContext& transformation_context) const {
auto clone = fuzzerutil::CloneIRContext(ir_context);
ApplyImpl(clone.get());
return fuzzerutil::IsValid(clone.get(),
transformation_context.GetValidatorOptions(),
fuzzerutil::kSilentMessageConsumer);
}
void TransformationAddSpecConstantOp::Apply(
opt::IRContext* ir_context, TransformationContext* /*unused*/) const {
ApplyImpl(ir_context);
ir_context->InvalidateAnalysesExceptFor(
opt::IRContext::Analysis::kAnalysisNone);
}
void TransformationAddSpecConstantOp::ApplyImpl(
opt::IRContext* ir_context) const {
opt::Instruction::OperandList operands = {
{SPV_OPERAND_TYPE_SPEC_CONSTANT_OP_NUMBER, {message_.opcode()}}};
for (const auto& operand : message_.operand()) {
std::vector<uint32_t> words(operand.operand_data().begin(),
operand.operand_data().end());
operands.push_back({static_cast<spv_operand_type_t>(operand.operand_type()),
std::move(words)});
}
ir_context->AddGlobalValue(MakeUnique<opt::Instruction>(
ir_context, spv::Op::OpSpecConstantOp, message_.type_id(),
message_.fresh_id(), std::move(operands)));
fuzzerutil::UpdateModuleIdBound(ir_context, message_.fresh_id());
}
protobufs::Transformation TransformationAddSpecConstantOp::ToMessage() const {
protobufs::Transformation result;
*result.mutable_add_spec_constant_op() = message_;
return result;
}
std::unordered_set<uint32_t> TransformationAddSpecConstantOp::GetFreshIds()
const {
return {message_.fresh_id()};
}
} // namespace fuzz
} // namespace spvtools
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