Merge "Update prebuilt Clang to r353983." into p9.0HEADp9.0-backupp9.0

1 files changed, 43 insertions, 0 deletions

diff --git a/clang-r353983/include/clang/Basic/AlignedAllocation.h b/clang-r353983/include/clang/Basic/AlignedAllocation.h
new file mode 100644
index 00000000..88410c5c
--- /dev/null
+++ b/clang-r353983/include/clang/Basic/AlignedAllocation.h
@@ -0,0 +1,43 @@
+//===--- AlignedAllocation.h - Aligned Allocation ---------------*- C++ -*-===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// Defines a function that returns the minimum OS versions supporting
+/// C++17's aligned allocation functions.
+///
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_BASIC_ALIGNED_ALLOCATION_H
+#define LLVM_CLANG_BASIC_ALIGNED_ALLOCATION_H
+
+#include "llvm/ADT/Triple.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/VersionTuple.h"
+
+namespace clang {
+
+inline llvm::VersionTuple alignedAllocMinVersion(llvm::Triple::OSType OS) {
+  switch (OS) {
+  default:
+    break;
+  case llvm::Triple::Darwin:
+  case llvm::Triple::MacOSX: // Earliest supporting version is 10.14.
+    return llvm::VersionTuple(10U, 14U);
+  case llvm::Triple::IOS:
+  case llvm::Triple::TvOS: // Earliest supporting version is 11.0.0.
+    return llvm::VersionTuple(11U);
+  case llvm::Triple::WatchOS: // Earliest supporting version is 4.0.0.
+    return llvm::VersionTuple(4U);
+  }
+
+  llvm_unreachable("Unexpected OS");
+}
+
+} // end namespace clang
+
+#endif // LLVM_CLANG_BASIC_ALIGNED_ALLOCATION_H