71 lines · cpp
1//===- ArchitectureSet.cpp ------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8//9// Implements the architecture set.10//11//===----------------------------------------------------------------------===//12 13#include "llvm/TextAPI/ArchitectureSet.h"14#include "llvm/Support/raw_ostream.h"15 16namespace llvm {17namespace MachO {18 19ArchitectureSet::ArchitectureSet(const std::vector<Architecture> &Archs)20 : ArchitectureSet() {21 for (auto Arch : Archs) {22 if (Arch == AK_unknown)23 continue;24 set(Arch);25 }26}27 28size_t ArchitectureSet::count() const {29 // popcnt30 size_t Cnt = 0;31 for (unsigned i = 0; i < sizeof(ArchSetType) * 8; ++i)32 if (ArchSet & (1U << i))33 ++Cnt;34 return Cnt;35}36 37ArchitectureSet::operator std::string() const {38 if (empty())39 return "[(empty)]";40 41 std::string result;42 auto size = count();43 for (auto arch : *this) {44 result.append(std::string(getArchitectureName(arch)));45 size -= 1;46 if (size)47 result.append(" ");48 }49 return result;50}51 52ArchitectureSet::operator std::vector<Architecture>() const {53 std::vector<Architecture> archs;54 for (auto arch : *this) {55 if (arch == AK_unknown)56 continue;57 archs.emplace_back(arch);58 }59 return archs;60}61 62void ArchitectureSet::print(raw_ostream &os) const { os << std::string(*this); }63 64raw_ostream &operator<<(raw_ostream &os, ArchitectureSet set) {65 set.print(os);66 return os;67}68 69} // end namespace MachO.70} // end namespace llvm.71