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//===--- AlignedAllocation.h - Aligned Allocation ---------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \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 "clang/Basic/VersionTuple.h"
#include "llvm/ADT/Triple.h"
#include "llvm/Support/ErrorHandling.h"
namespace clang {
inline VersionTuple alignedAllocMinVersion(llvm::Triple::OSType OS) {
switch (OS) {
default:
break;
case llvm::Triple::Darwin:
case llvm::Triple::MacOSX: // Earliest supporting version is 10.13.
return VersionTuple(10U, 13U);
case llvm::Triple::IOS:
case llvm::Triple::TvOS: // Earliest supporting version is 11.0.0.
return VersionTuple(11U);
case llvm::Triple::WatchOS: // Earliest supporting version is 4.0.0.
return VersionTuple(4U);
}
llvm_unreachable("Unexpected OS");
}
} // end namespace clang
#endif // LLVM_CLANG_BASIC_ALIGNED_ALLOCATION_H
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