mirror of
https://github.com/KhronosGroup/SPIRV-Tools
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94 lines
3.3 KiB
C++
94 lines
3.3 KiB
C++
// Copyright (c) 2016 Google Inc.
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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 "instruction.h"
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#include <initializer_list>
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#include "reflect.h"
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namespace spvtools {
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namespace ir {
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Instruction::Instruction(const spv_parsed_instruction_t& inst,
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std::vector<Instruction>&& dbg_line)
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: opcode_(static_cast<SpvOp>(inst.opcode)),
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type_id_(inst.type_id),
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result_id_(inst.result_id),
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dbg_line_insts_(std::move(dbg_line)) {
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assert((!IsDebugLineInst(opcode_) || dbg_line.empty()) &&
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"Op(No)Line attaching to Op(No)Line found");
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for (uint32_t i = 0; i < inst.num_operands; ++i) {
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const auto& current_payload = inst.operands[i];
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std::vector<uint32_t> words(
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inst.words + current_payload.offset,
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inst.words + current_payload.offset + current_payload.num_words);
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operands_.emplace_back(current_payload.type, std::move(words));
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}
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}
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Instruction::Instruction(SpvOp op, uint32_t ty_id, uint32_t res_id,
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const std::vector<Operand>& in_operands)
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: opcode_(op), type_id_(ty_id), result_id_(res_id), operands_() {
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if (type_id_ != 0) {
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operands_.emplace_back(spv_operand_type_t::SPV_OPERAND_TYPE_TYPE_ID,
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std::initializer_list<uint32_t>{type_id_});
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}
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if (result_id_ != 0) {
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operands_.emplace_back(spv_operand_type_t::SPV_OPERAND_TYPE_RESULT_ID,
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std::initializer_list<uint32_t>{result_id_});
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}
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operands_.insert(operands_.end(), in_operands.begin(), in_operands.end());
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}
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Instruction::Instruction(Instruction&& that)
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: opcode_(that.opcode_),
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type_id_(that.type_id_),
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result_id_(that.result_id_),
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operands_(std::move(that.operands_)),
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dbg_line_insts_(std::move(that.dbg_line_insts_)) {}
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Instruction& Instruction::operator=(Instruction&& that) {
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opcode_ = that.opcode_;
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type_id_ = that.type_id_;
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result_id_ = that.result_id_;
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operands_ = std::move(that.operands_);
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dbg_line_insts_ = std::move(that.dbg_line_insts_);
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return *this;
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}
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uint32_t Instruction::GetSingleWordOperand(uint32_t index) const {
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const auto& words = GetOperand(index).words;
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assert(words.size() == 1 && "expected the operand only taking one word");
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return words.front();
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}
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uint32_t Instruction::NumInOperandWords() const {
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uint32_t size = 0;
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for (uint32_t i = TypeResultIdCount(); i < operands_.size(); ++i)
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size += static_cast<uint32_t>(operands_[i].words.size());
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return size;
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}
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void Instruction::ToBinaryWithoutAttachedDebugInsts(
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std::vector<uint32_t>* binary) const {
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const uint32_t num_words = 1 + NumOperandWords();
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binary->push_back((num_words << 16) | static_cast<uint16_t>(opcode_));
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for (const auto& operand : operands_)
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binary->insert(binary->end(), operand.words.begin(), operand.words.end());
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}
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} // namespace ir
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} // namespace spvtools
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