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01d5652999
VS2015 had an issue with the deletion of an operator. Since VS2017 is the minimum version that LLVM uses, we can assume that VS2017+ is in use (_MSC_VER >= 1910). Clean up the now defunct workaround.
44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
//===--- Compiler.h - Compiler specific definitions -------------*- C++ -*-===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_BASIC_COMPILER_H
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#define SWIFT_BASIC_COMPILER_H
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#if defined(_MSC_VER) && !defined(__clang__)
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#define SWIFT_COMPILER_IS_MSVC 1
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#else
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#define SWIFT_COMPILER_IS_MSVC 0
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#endif
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// Workaround non-clang compilers
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#ifndef __has_builtin
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#define __has_builtin(x) 0
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#endif
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#ifndef __has_attribute
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#define __has_attribute(x) 0
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#endif
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// __builtin_assume() is an optimization hint.
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#if __has_builtin(__builtin_assume)
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#define SWIFT_ASSUME(x) __builtin_assume(x)
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#else
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#define SWIFT_ASSUME(x)
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#endif
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#if __has_attribute(constructor)
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#define SWIFT_CONSTRUCTOR __attribute__((constructor))
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#else
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#define SWIFT_CONSTRUCTOR
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#endif
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#endif // SWIFT_BASIC_COMPILER_H
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