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// RUN: %target-swift-emit-silgen %s | %FileCheck %s
func bar(_: String) {}
// CHECK-LABEL: sil {{.*}} @${{.*}}3foo
func foo(y: consuming String, z: String) -> () -> String {
// CHECK: bb0(%0 : @noImplicitCopy @_eagerMove @owned $String, %1 : @guaranteed $String):
// CHECK: [[BOX:%.*]] = alloc_box ${ var @moveOnly String }
// CHECK: [[BOX_LIFETIME:%.*]] = begin_borrow [var_decl] [[BOX]]
// CHECK: [[Y:%.*]] = project_box [[BOX_LIFETIME]]
// CHECK: [[UNWRAP:%.*]] = moveonlywrapper_to_copyable_addr [[Y]]
// CHECK: store %0 to [init] [[UNWRAP]]
// CHECK: [[YCAPTURE:%.*]] = copy_value [[BOX_LIFETIME]]
// CHECK: [[UNWRAP:%.*]] = moveonlywrapper_to_copyable_box [[YCAPTURE]]
// CHECK: partial_apply {{.*}} {{%.*}}([[UNWRAP]])
let r = { y }
// CHECK: [[ZCOPY:%.*]] = copy_value %1
// CHECK: [[YACCESS:%.*]] = begin_access [modify] [unknown] [[Y]]
// CHECK: [[MARK:%.*]] = mark_unresolved_non_copyable_value [assignable_but_not_consumable] [[YACCESS]]
// CHECK: [[UNWRAP:%.*]] = moveonlywrapper_to_copyable_addr [[MARK]]
// CHECK: assign [[ZCOPY]] to [[UNWRAP]]
y = z
// CHECK: [[YACCESS:%.*]] = begin_access [read] [unknown] [[Y]]
// CHECK: [[MARK:%.*]] = mark_unresolved_non_copyable_value [no_consume_or_assign] [[YACCESS]]
// CHECK: [[YVAL:%.*]] = load [copy] [[MARK]]
// CHECK: [[BORROW:%.*]] = begin_borrow [[YVAL]]
// CHECK: [[UNWRAP:%.*]] = moveonlywrapper_to_copyable [guaranteed] [[BORROW]]
// CHECK: apply {{%.*}}([[UNWRAP]]
bar(y)
return r
}
struct Butt {
var value: String
func bar() {}
// CHECK-LABEL: sil {{.*}} @${{.*}}4Butt{{.*}}6merged
consuming func merged(with other: Butt) -> () -> Butt {
// CHECK: bb0(%0 : @guaranteed $Butt, %1 : @noImplicitCopy @_eagerMove @owned $Butt):
// CHECK: [[BOX:%.*]] = alloc_box ${ var @moveOnly Butt }
// CHECK: [[BOX_LIFETIME:%.*]] = begin_borrow [var_decl] [[BOX]]
// CHECK: [[SELF:%.*]] = project_box [[BOX_LIFETIME]]
// CHECK: [[UNWRAP:%.*]] = moveonlywrapper_to_copyable_addr [[SELF]]
// CHECK: store %1 to [init] [[UNWRAP]]
// CHECK: [[SELFCAPTURE:%.*]] = copy_value [[BOX_LIFETIME]]
// CHECK: [[UNWRAP:%.*]] = moveonlywrapper_to_copyable_box [[SELFCAPTURE]]
// CHECK: partial_apply {{.*}} {{%.*}}([[UNWRAP]])
let r = { self }
// CHECK: [[OCOPY:%.*]] = copy_value %0
// CHECK: [[SELFACCESS:%.*]] = begin_access [modify] [unknown] [[SELF]]
// CHECK: [[MARK:%.*]] = mark_unresolved_non_copyable_value [assignable_but_not_consumable] [[SELFACCESS]]
// CHECK: [[UNWRAP:%.*]] = moveonlywrapper_to_copyable_addr [[MARK]]
// CHECK: assign [[OCOPY]] to [[UNWRAP]]
self = other
// CHECK: [[SELFACCESS:%.*]] = begin_access [read] [unknown] [[SELF]]
// CHECK: [[MARK:%.*]] = mark_unresolved_non_copyable_value [no_consume_or_assign] [[SELFACCESS]]
// CHECK: [[SELFVAL:%.*]] = load [copy] [[MARK]]
// CHECK: [[BORROW:%.*]] = begin_borrow [[SELFVAL]]
// CHECK: [[UNWRAP:%.*]] = moveonlywrapper_to_copyable [guaranteed] [[BORROW]]
// CHECK: apply {{%.*}}([[UNWRAP]]
self.bar()
return r
}
}
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