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-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // Implements the architecture set.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #include "llvm/TextAPI/ArchitectureSet.h"
14 #include "llvm/Support/raw_ostream.h"
15 
16 namespace llvm {
17 namespace MachO {
18 
19 ArchitectureSet::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 
28 size_t ArchitectureSet::count() const {
29   // popcnt
30   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 
37 ArchitectureSet::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 
52 ArchitectureSet::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 
62 void ArchitectureSet::print(raw_ostream &os) const { os << std::string(*this); }
63 
64 raw_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