//===--- AlignedAllocation.h - Aligned Allocation ---------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// Defines a function that returns the minimum OS versions supporting
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/// C++17's aligned allocation functions.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_BASIC_ALIGNED_ALLOCATION_H
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#define LLVM_CLANG_BASIC_ALIGNED_ALLOCATION_H
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#include "llvm/ADT/Triple.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/VersionTuple.h"
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namespace clang {
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inline llvm::VersionTuple alignedAllocMinVersion(llvm::Triple::OSType OS) {
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switch (OS) {
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default:
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break;
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case llvm::Triple::Darwin:
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case llvm::Triple::MacOSX: // Earliest supporting version is 10.13.
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return llvm::VersionTuple(10U, 13U);
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case llvm::Triple::IOS:
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case llvm::Triple::TvOS: // Earliest supporting version is 11.0.0.
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return llvm::VersionTuple(11U);
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case llvm::Triple::WatchOS: // Earliest supporting version is 4.0.0.
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return llvm::VersionTuple(4U);
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}
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llvm_unreachable("Unexpected OS");
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}
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} // end namespace clang
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#endif // LLVM_CLANG_BASIC_ALIGNED_ALLOCATION_H
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