mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-11-23 04:00:05 +00:00
502e982956
This fixes a problem where TransformationInlineFunction could lead to distinct instructions having identical unique ids. It adds a validity check to detect this problem in general. Fixes #3911.
92 lines
3.1 KiB
C++
92 lines
3.1 KiB
C++
// 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, SpvOp opcode,
|
|
const opt::Instruction::OperandList& operands) {
|
|
message_.set_fresh_id(fresh_id);
|
|
message_.set_type_id(type_id);
|
|
message_.set_opcode(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, SpvOpSpecConstantOp, 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
|