mirror of
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633d5bc45a
This is just as useful for x86 bare metal as the already enabled `arm*-none-none-eabi` triples.
88 lines
2.7 KiB
Swift
88 lines
2.7 KiB
Swift
//===--- OpaqueIdentityFunctions.swift ------------------------------------===//
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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 - 2021 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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@_silgen_name("getPointer")
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func _getPointer(_ x: OpaquePointer) -> OpaquePointer
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public func _opaqueIdentity<T>(_ x: T) -> T {
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let ptr = UnsafeMutablePointer<T>.allocate(capacity: 1)
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ptr.initialize(to: x)
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let result =
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UnsafeMutablePointer<T>(_getPointer(OpaquePointer(ptr))).pointee
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ptr.deinitialize(count: 1)
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ptr.deallocate()
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return result
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}
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func _blackHolePtr<T>(_ x: UnsafePointer<T>) {
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_ = _getPointer(OpaquePointer(x))
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}
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public func _blackHole<T>(_ x: T) {
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var x = x
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_blackHolePtr(&x)
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}
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@inline(never)
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public func getBool(_ x: Bool) -> Bool { return _opaqueIdentity(x) }
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@inline(never)
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public func getInt8(_ x: Int8) -> Int8 { return _opaqueIdentity(x) }
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@inline(never)
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public func getInt16(_ x: Int16) -> Int16 { return _opaqueIdentity(x) }
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@inline(never)
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public func getInt32(_ x: Int32) -> Int32 { return _opaqueIdentity(x) }
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@inline(never)
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public func getInt64(_ x: Int64) -> Int64 { return _opaqueIdentity(x) }
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@inline(never)
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public func getInt(_ x: Int) -> Int { return _opaqueIdentity(x) }
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@inline(never)
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public func getUInt8(_ x: UInt8) -> UInt8 { return _opaqueIdentity(x) }
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@inline(never)
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public func getUInt16(_ x: UInt16) -> UInt16 { return _opaqueIdentity(x) }
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@inline(never)
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public func getUInt32(_ x: UInt32) -> UInt32 { return _opaqueIdentity(x) }
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@inline(never)
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public func getUInt64(_ x: UInt64) -> UInt64 { return _opaqueIdentity(x) }
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@inline(never)
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public func getUInt(_ x: UInt) -> UInt { return _opaqueIdentity(x) }
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#if !((os(macOS) || targetEnvironment(macCatalyst)) && arch(x86_64))
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@available(SwiftStdlib 5.3, *)
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@inline(never)
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public func getFloat16(_ x: Float16) -> Float16 { return _opaqueIdentity(x) }
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#endif
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@inline(never)
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public func getFloat32(_ x: Float32) -> Float32 { return _opaqueIdentity(x) }
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@inline(never)
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public func getFloat64(_ x: Float64) -> Float64 { return _opaqueIdentity(x) }
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#if !(os(Windows) || os(Android) || ($Embedded && !os(Linux) && !(os(macOS) || os(iOS) || os(watchOS) || os(tvOS)))) && (arch(i386) || arch(x86_64))
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@inline(never)
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public func getFloat80(_ x: Float80) -> Float80 { return _opaqueIdentity(x) }
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#endif
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public func getPointer(_ x: OpaquePointer) -> OpaquePointer {
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return _opaqueIdentity(x)
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}
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