mirror of
https://github.com/RPCSX/SPIRV-Tools.git
synced 2026-01-31 01:05:19 +01:00
d35a78db57
Fixes #4960 * Switches to using enum classes with an underlying type to avoid undefined behaviour
116 lines
4.2 KiB
C++
116 lines
4.2 KiB
C++
// Copyright (c) 2020 André Perez Maselco
|
|
//
|
|
// 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_make_vector_operation_dynamic.h"
|
|
|
|
#include "source/fuzz/fuzzer_util.h"
|
|
#include "source/fuzz/instruction_descriptor.h"
|
|
|
|
namespace spvtools {
|
|
namespace fuzz {
|
|
|
|
TransformationMakeVectorOperationDynamic::
|
|
TransformationMakeVectorOperationDynamic(
|
|
protobufs::TransformationMakeVectorOperationDynamic message)
|
|
: message_(std::move(message)) {}
|
|
|
|
TransformationMakeVectorOperationDynamic::
|
|
TransformationMakeVectorOperationDynamic(uint32_t instruction_result_id,
|
|
uint32_t constant_index_id) {
|
|
message_.set_instruction_result_id(instruction_result_id);
|
|
message_.set_constant_index_id(constant_index_id);
|
|
}
|
|
|
|
bool TransformationMakeVectorOperationDynamic::IsApplicable(
|
|
opt::IRContext* ir_context, const TransformationContext& /*unused*/) const {
|
|
// |instruction| must be a vector operation.
|
|
auto instruction =
|
|
ir_context->get_def_use_mgr()->GetDef(message_.instruction_result_id());
|
|
if (!IsVectorOperation(ir_context, instruction)) {
|
|
return false;
|
|
}
|
|
|
|
// |constant_index_instruction| must be defined as an integer instruction.
|
|
auto constant_index_instruction =
|
|
ir_context->get_def_use_mgr()->GetDef(message_.constant_index_id());
|
|
if (!constant_index_instruction || !constant_index_instruction->type_id() ||
|
|
!ir_context->get_type_mgr()
|
|
->GetType(constant_index_instruction->type_id())
|
|
->AsInteger()) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void TransformationMakeVectorOperationDynamic::Apply(
|
|
opt::IRContext* ir_context, TransformationContext* /*unused*/) const {
|
|
auto instruction =
|
|
ir_context->get_def_use_mgr()->GetDef(message_.instruction_result_id());
|
|
|
|
// The OpVectorInsertDynamic instruction has the vector and component operands
|
|
// in reverse order in relation to the OpCompositeInsert corresponding
|
|
// operands.
|
|
if (instruction->opcode() == spv::Op::OpCompositeInsert) {
|
|
std::swap(instruction->GetInOperand(0), instruction->GetInOperand(1));
|
|
}
|
|
|
|
// Sets the literal operand to the equivalent constant.
|
|
instruction->SetInOperand(
|
|
instruction->opcode() == spv::Op::OpCompositeExtract ? 1 : 2,
|
|
{message_.constant_index_id()});
|
|
|
|
// Sets the |instruction| opcode to the corresponding vector dynamic opcode.
|
|
instruction->SetOpcode(instruction->opcode() == spv::Op::OpCompositeExtract
|
|
? spv::Op::OpVectorExtractDynamic
|
|
: spv::Op::OpVectorInsertDynamic);
|
|
}
|
|
|
|
protobufs::Transformation TransformationMakeVectorOperationDynamic::ToMessage()
|
|
const {
|
|
protobufs::Transformation result;
|
|
*result.mutable_make_vector_operation_dynamic() = message_;
|
|
return result;
|
|
}
|
|
|
|
bool TransformationMakeVectorOperationDynamic::IsVectorOperation(
|
|
opt::IRContext* ir_context, opt::Instruction* instruction) {
|
|
// |instruction| must be defined and must be an OpCompositeExtract/Insert
|
|
// instruction.
|
|
if (!instruction || (instruction->opcode() != spv::Op::OpCompositeExtract &&
|
|
instruction->opcode() != spv::Op::OpCompositeInsert)) {
|
|
return false;
|
|
}
|
|
|
|
// The composite must be a vector.
|
|
auto composite_instruction =
|
|
ir_context->get_def_use_mgr()->GetDef(instruction->GetSingleWordInOperand(
|
|
instruction->opcode() == spv::Op::OpCompositeExtract ? 0 : 1));
|
|
if (!ir_context->get_type_mgr()
|
|
->GetType(composite_instruction->type_id())
|
|
->AsVector()) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
std::unordered_set<uint32_t>
|
|
TransformationMakeVectorOperationDynamic::GetFreshIds() const {
|
|
return std::unordered_set<uint32_t>();
|
|
}
|
|
|
|
} // namespace fuzz
|
|
} // namespace spvtools
|