mirror of
https://github.com/KhronosGroup/SPIRV-Tools
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b920b620ad
This extends shrinking so that spirv-reduce is employed to simplify the functions that are added by TransformationAddFunction.
81 lines
3.0 KiB
C++
81 lines
3.0 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/instruction_message.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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protobufs::Instruction MakeInstructionMessage(
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SpvOp opcode, uint32_t result_type_id, uint32_t result_id,
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const opt::Instruction::OperandList& input_operands) {
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protobufs::Instruction result;
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result.set_opcode(opcode);
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result.set_result_type_id(result_type_id);
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result.set_result_id(result_id);
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for (auto& operand : input_operands) {
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auto operand_message = result.add_input_operand();
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operand_message->set_operand_type(static_cast<uint32_t>(operand.type));
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for (auto operand_word : operand.words) {
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operand_message->add_operand_data(operand_word);
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}
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}
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return result;
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}
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protobufs::Instruction MakeInstructionMessage(
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const opt::Instruction* instruction) {
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opt::Instruction::OperandList input_operands;
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for (uint32_t input_operand_index = 0;
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input_operand_index < instruction->NumInOperands();
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input_operand_index++) {
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input_operands.push_back(instruction->GetInOperand(input_operand_index));
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}
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return MakeInstructionMessage(instruction->opcode(), instruction->type_id(),
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instruction->result_id(), input_operands);
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}
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std::unique_ptr<opt::Instruction> InstructionFromMessage(
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opt::IRContext* ir_context,
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const protobufs::Instruction& instruction_message) {
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// First, update the module's id bound with respect to the new instruction,
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// if it has a result id.
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if (instruction_message.result_id()) {
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fuzzerutil::UpdateModuleIdBound(ir_context,
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instruction_message.result_id());
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}
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// Now create a sequence of input operands from the input operand data in the
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// protobuf message.
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opt::Instruction::OperandList in_operands;
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for (auto& operand_message : instruction_message.input_operand()) {
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opt::Operand::OperandData operand_data;
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for (auto& word : operand_message.operand_data()) {
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operand_data.push_back(word);
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}
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in_operands.push_back(
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{static_cast<spv_operand_type_t>(operand_message.operand_type()),
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operand_data});
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}
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// Create and return the instruction.
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return MakeUnique<opt::Instruction>(
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ir_context, static_cast<SpvOp>(instruction_message.opcode()),
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instruction_message.result_type_id(), instruction_message.result_id(),
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in_operands);
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}
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} // namespace fuzz
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} // namespace spvtools
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