| // REQUIRES: plus_zero_runtime |
| // RUN: %target-swift-frontend -emit-silgen -enable-sil-ownership %s | %FileCheck %s |
| |
| // CHECK-LABEL: sil hidden @$S22downcast_reabstraction19condFunctionFromAnyyyypF |
| // CHECK: checked_cast_addr_br take_always Any in [[IN:%.*]] : $*Any to () -> () in [[OUT:%.*]] : $*@callee_guaranteed (@in_guaranteed ()) -> @out (), [[YES:bb[0-9]+]], [[NO:bb[0-9]+]] |
| // CHECK: [[YES]]: |
| // CHECK: [[ORIG_VAL:%.*]] = load [take] [[OUT]] |
| // CHECK: [[REABSTRACT:%.*]] = function_ref @$SytytIegnr_Ieg_TR |
| // CHECK: [[SUBST_VAL:%.*]] = partial_apply [callee_guaranteed] [[REABSTRACT]]([[ORIG_VAL]]) |
| |
| func condFunctionFromAny(_ x: Any) { |
| if let f = x as? () -> () { |
| f() |
| } |
| } |
| |
| // CHECK-LABEL: sil hidden @$S22downcast_reabstraction21uncondFunctionFromAnyyyypF : $@convention(thin) (@in_guaranteed Any) -> () { |
| // CHECK: unconditional_checked_cast_addr Any in [[IN:%.*]] : $*Any to () -> () in [[OUT:%.*]] : $*@callee_guaranteed (@in_guaranteed ()) -> @out () |
| // CHECK: [[ORIG_VAL:%.*]] = load [take] [[OUT]] |
| // CHECK: [[REABSTRACT:%.*]] = function_ref @$SytytIegnr_Ieg_TR |
| // CHECK: [[SUBST_VAL:%.*]] = partial_apply [callee_guaranteed] [[REABSTRACT]]([[ORIG_VAL]]) |
| // CHECK: [[BORROW:%.*]] = begin_borrow [[SUBST_VAL]] |
| // CHECK: apply [[BORROW]]() |
| // CHECK: end_borrow [[BORROW]] from [[SUBST_VAL]] |
| // CHECK: destroy_value [[SUBST_VAL]] |
| func uncondFunctionFromAny(_ x: Any) { |
| (x as! () -> ())() |
| } |
