Importing rustc-1.56.0
Change-Id: I98941481270706fa55f8fb2cb91686ae3bd30f38
diff --git a/src/llvm-project/llvm/lib/TextAPI/ArchitectureSet.cpp b/src/llvm-project/llvm/lib/TextAPI/ArchitectureSet.cpp
new file mode 100644
index 0000000..0fc2ede
--- /dev/null
+++ b/src/llvm-project/llvm/lib/TextAPI/ArchitectureSet.cpp
@@ -0,0 +1,70 @@
+//===- 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.
