mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-10-18 19:20:05 +00:00
485f513a29
This is because some old visual studio versions (e.g., 2013) do not support automatically generating move constructors/assignments.
97 lines
3.6 KiB
C++
97 lines
3.6 KiB
C++
// Copyright (c) 2016 Google Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and/or associated documentation files (the
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// "Materials"), to deal in the Materials without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Materials, and to
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// permit persons to whom the Materials are furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Materials.
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//
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// MODIFICATIONS TO THIS FILE MAY MEAN IT NO LONGER ACCURATELY REFLECTS
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// KHRONOS STANDARDS. THE UNMODIFIED, NORMATIVE VERSIONS OF KHRONOS
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// SPECIFICATIONS AND HEADER INFORMATION ARE LOCATED AT
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// https://www.khronos.org/registry/
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//
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// THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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// MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
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#include "instruction.h"
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#include <cassert>
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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(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::ToBinary(std::vector<uint32_t>* binary, bool skip_nop) const {
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for (const auto& dbg_line : dbg_line_insts_) {
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dbg_line.ToBinary(binary, skip_nop);
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}
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if (skip_nop && IsNop()) return;
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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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