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06921cfe84
The copy operator has been implemented and doesn't use it. Remove `Builtin.copy` and `_copy` as much as currently possible. Source compatibility requires that `_copy` remain in the stdlib. It is deprecated here and just uses the copy operator. Handling old swiftinterfaces requires that `Builtin.copy` be defined. Redefine it here as a passthrough--SILGen machinery will produce the necessary copy_addr. rdar://127502242
45 lines
778 B
Swift
45 lines
778 B
Swift
// RUN: %target-run-simple-swift(-Xfrontend -enable-experimental-move-only -enable-builtin-module)
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// REQUIRES: executable_test
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import StdlibUnittest
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import Builtin
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class Klass {}
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var suite = TestSuite("LifetimeManagement")
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suite.test("_copy") {
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let k = Klass()
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expectTrue(k === _copy(k))
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}
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suite.test("copy") {
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let k = Klass()
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expectTrue(k === copy k)
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}
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suite.test("move") {
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let k = Klass()
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let k2 = k
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expectTrue(k2 === consume k)
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}
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runAllTests()
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// TODO: Remove. Only exists to avoid a reverse condfail.
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// rdar://127516085 (Complete removal of Builtin.copy)
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func _oldCopy<T>(_ value: T) -> T {
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#if $BuiltinCopy
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Builtin.copy(value)
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#else
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value
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#endif
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}
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suite.test("_oldCopy") {
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let k = Klass()
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expectTrue(k === _oldCopy(k))
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}
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