LLVM 19.0.0git
ArchitectureSet.cpp
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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
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 // 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
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
65 set.print(os);
66 return os;
67}
68
69} // end namespace MachO.
70} // end namespace llvm.
constexpr ArchitectureSet()=default
void set(Architecture Arch)
void print(raw_ostream &OS) const
This class implements an extremely fast bulk output stream that can only output to a stream.
Definition: raw_ostream.h:52
StringRef getArchitectureName(Architecture Arch)
Convert an architecture slice to a string.
raw_ostream & operator<<(raw_ostream &OS, Architecture Arch)
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
auto size(R &&Range, std::enable_if_t< std::is_base_of< std::random_access_iterator_tag, typename std::iterator_traits< decltype(Range.begin())>::iterator_category >::value, void > *=nullptr)
Get the size of a range.
Definition: STLExtras.h:1689
auto count(R &&Range, const E &Element)
Wrapper function around std::count to count the number of times an element Element occurs in the give...
Definition: STLExtras.h:1923