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28 lines
1.4 KiB
Swift
28 lines
1.4 KiB
Swift
// RUN: %target-swift-frontend -emit-silgen -enable-sil-ownership %s | %FileCheck %s
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// CHECK-LABEL: sil hidden @_T022downcast_reabstraction19condFunctionFromAnyyyypF
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// CHECK: checked_cast_addr_br take_always Any in [[IN:%.*]] : $*Any to () -> () in [[OUT:%.*]] : $*@callee_guaranteed (@in ()) -> @out (), [[YES:bb[0-9]+]], [[NO:bb[0-9]+]]
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// CHECK: [[YES]]:
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// CHECK: [[ORIG_VAL:%.*]] = load [take] [[OUT]]
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// CHECK: [[REABSTRACT:%.*]] = function_ref @_T0ytytIegir_Ieg_TR
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// CHECK: [[SUBST_VAL:%.*]] = partial_apply [callee_guaranteed] [[REABSTRACT]]([[ORIG_VAL]])
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func condFunctionFromAny(_ x: Any) {
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if let f = x as? () -> () {
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f()
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}
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}
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// CHECK-LABEL: sil hidden @_T022downcast_reabstraction21uncondFunctionFromAnyyyypF : $@convention(thin) (@in Any) -> () {
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// CHECK: unconditional_checked_cast_addr Any in [[IN:%.*]] : $*Any to () -> () in [[OUT:%.*]] : $*@callee_guaranteed (@in ()) -> @out ()
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// CHECK: [[ORIG_VAL:%.*]] = load [take] [[OUT]]
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// CHECK: [[REABSTRACT:%.*]] = function_ref @_T0ytytIegir_Ieg_TR
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// CHECK: [[SUBST_VAL:%.*]] = partial_apply [callee_guaranteed] [[REABSTRACT]]([[ORIG_VAL]])
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// CHECK: [[BORROW:%.*]] = begin_borrow [[SUBST_VAL]]
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// CHECK: apply [[BORROW]]()
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// CHECK: end_borrow [[BORROW]] from [[SUBST_VAL]]
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// CHECK: destroy_value [[SUBST_VAL]]
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func uncondFunctionFromAny(_ x: Any) {
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(x as! () -> ())()
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}
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