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Erik Eckstein
c8711d132a
`fix_lifetime` has memory-write effects defined. However, in TempRValueElimination we don't shrink lifetimes. Therefore we can safely ignore this instruction. rdar://168840965
24 lines
900 B
Swift
24 lines
900 B
Swift
// RUN: %target-swift-frontend %s -O -module-name=test -disable-availability-checking -emit-sil | %FileCheck %s
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// REQUIRES: swift_stdlib_no_asserts,optimized_stdlib
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// CHECK-LABEL: sil @$s4test12getAnyObject4from3keyyXlSgSDySOypG_SOtF :
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// CHECK-NOT: alloc_stack
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// CHECK-NOT: copy_addr
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// CHECK: } // end sil function '$s4test12getAnyObject4from3keyyXlSgSDySOypG_SOtF'
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public func getAnyObject(from dict: Dictionary<ObjectIdentifier, Any>, key: ObjectIdentifier) -> AnyObject? {
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getValue(from: dict, forKey: key, as: AnyObject.self)
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}
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func getValue<Value>(from dict: Dictionary<ObjectIdentifier, Any>, forKey key: ObjectIdentifier, as: Value.Type) -> Value? {
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@_transparent func project<T>( t: consuming T) -> Value {
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unsafeBitCast(t, to: Value.self)
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}
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if let value = dict[key] {
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return _openExistential(consume value, do: project)
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} else {
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return nil
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}
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}
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