llvm-project/llvm/lib/TextAPI/ArchitectureSet.cpp

71 lines
1.7 KiB
C++

//===- ArchitectureSet.cpp ------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Implements the architecture set.
//
//===----------------------------------------------------------------------===//
#include "llvm/TextAPI/ArchitectureSet.h"
#include "llvm/Support/raw_ostream.h"
namespace llvm {
namespace MachO {
ArchitectureSet::ArchitectureSet(const std::vector<Architecture> &Archs)
: ArchitectureSet() {
for (auto Arch : Archs) {
if (Arch == AK_unknown)
continue;
set(Arch);
}
}
size_t ArchitectureSet::count() const {
// popcnt
size_t Cnt = 0;
for (unsigned i = 0; i < sizeof(ArchSetType) * 8; ++i)
if (ArchSet & (1U << i))
++Cnt;
return Cnt;
}
ArchitectureSet::operator std::string() const {
if (empty())
return "[(empty)]";
std::string result;
auto size = count();
for (auto arch : *this) {
result.append(std::string(getArchitectureName(arch)));
size -= 1;
if (size)
result.append(" ");
}
return result;
}
ArchitectureSet::operator std::vector<Architecture>() const {
std::vector<Architecture> archs;
for (auto arch : *this) {
if (arch == AK_unknown)
continue;
archs.emplace_back(arch);
}
return archs;
}
void ArchitectureSet::print(raw_ostream &os) const { os << std::string(*this); }
raw_ostream &operator<<(raw_ostream &os, ArchitectureSet set) {
set.print(os);
return os;
}
} // end namespace MachO.
} // end namespace llvm.