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158 lines
14 KiB
Swift
158 lines
14 KiB
Swift
// RUN: %target-swift-frontend -emit-silgen %s | %FileCheck %s
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protocol Clonable {
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func clone() -> Self
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func maybeClone() -> Self?
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func cloneMetatype() -> Self.Type
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func getCloneFn() -> () -> Self
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func genericClone<T>(t: T) -> Self
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func genericGetCloneFn<T>(t: T) -> () -> Self
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}
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//===----------------------------------------------------------------------===//
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// Partial apply of methods returning Self-derived types
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//===----------------------------------------------------------------------===//
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// CHECK-LABEL: sil hidden @_T022partial_apply_protocol12testClonableyAA0E0_p1c_tF : $@convention(thin) (@in Clonable) -> ()
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func testClonable(c: Clonable) {
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// CHECK: [[THUNK_FN:%.*]] = function_ref @_T0xIxr_22partial_apply_protocol8Clonable_pIxr_AaBRzlTR : $@convention(thin) <τ_0_0 where τ_0_0 : Clonable> (@owned @callee_owned () -> @out τ_0_0) -> @out Clonable
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// CHECK: [[THUNK:%.*]] = partial_apply [[THUNK_FN]]<@opened("{{.*}}") Clonable>({{.*}}) : $@convention(thin) <τ_0_0 where τ_0_0 : Clonable> (@owned @callee_owned () -> @out τ_0_0) -> @out Clonable
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let _: () -> Clonable = c.clone
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// CHECK: [[THUNK_FN:%.*]] = function_ref @_T0xSgIxr_22partial_apply_protocol8Clonable_pSgIxr_AbCRzlTR : $@convention(thin) <τ_0_0 where τ_0_0 : Clonable> (@owned @callee_owned () -> @out Optional<τ_0_0>) -> @out Optional<Clonable>
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// CHECK: [[THUNK:%.*]] = partial_apply [[THUNK_FN]]<@opened("{{.*}}") Clonable>({{.*}}) : $@convention(thin) <τ_0_0 where τ_0_0 : Clonable> (@owned @callee_owned () -> @out Optional<τ_0_0>) -> @out Optional<Clonable>
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let _: () -> Clonable? = c.maybeClone
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// CHECK: [[THUNK_FN:%.*]] = function_ref @_T0xXMTIxd_22partial_apply_protocol8Clonable_pXmTIxd_AaBRzlTR : $@convention(thin) <τ_0_0 where τ_0_0 : Clonable> (@owned @callee_owned () -> @thick τ_0_0.Type) -> @thick Clonable.Type
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// CHECK: [[THUNK:%.*]] = partial_apply [[THUNK_FN]]<@opened("{{.*}}") Clonable>({{.*}}) : $@convention(thin) <τ_0_0 where τ_0_0 : Clonable> (@owned @callee_owned () -> @thick τ_0_0.Type) -> @thick Clonable.Type
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let _: () -> Clonable.Type = c.cloneMetatype
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// CHECK: [[METHOD_FN:%.*]] = witness_method $@opened("{{.*}}") Clonable, #Clonable.getCloneFn!1 : {{.*}}, {{.*}} : $*@opened("{{.*}}") Clonable : $@convention(witness_method) <τ_0_0 where τ_0_0 : Clonable> (@in_guaranteed τ_0_0) -> @owned @callee_owned () -> @out τ_0_0
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// CHECK: [[RESULT:%.*]] = apply [[METHOD_FN]]<@opened("{{.*}}") Clonable>({{.*}}) : $@convention(witness_method) <τ_0_0 where τ_0_0 : Clonable> (@in_guaranteed τ_0_0) -> @owned @callee_owned () -> @out τ_0_0
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// CHECK: [[THUNK_FN:%.*]] = function_ref @_T0xIxr_22partial_apply_protocol8Clonable_pIxr_AaBRzlTR : $@convention(thin) <τ_0_0 where τ_0_0 : Clonable> (@owned @callee_owned () -> @out τ_0_0) -> @out Clonable
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// CHECK: [[THUNK:%.*]] = partial_apply [[THUNK_FN]]<@opened("{{.*}}") Clonable>([[RESULT]]) : $@convention(thin) <τ_0_0 where τ_0_0 : Clonable> (@owned @callee_owned () -> @out τ_0_0) -> @out Clonable
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let _: () -> Clonable = c.getCloneFn()
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// CHECK: [[THUNK_FN:%.*]] = function_ref @_T0xIxr_Ixo_22partial_apply_protocol8Clonable_pIxr_Ixo_AaBRzlTR : $@convention(thin) <τ_0_0 where τ_0_0 : Clonable> (@owned @callee_owned () -> @owned @callee_owned () -> @out τ_0_0) -> @owned @callee_owned () -> @out Clonable
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// CHECK: [[THUNK:%.*]] = partial_apply [[THUNK_FN]]<@opened("{{.*}}") Clonable>({{.*}}) : $@convention(thin) <τ_0_0 where τ_0_0 : Clonable> (@owned @callee_owned () -> @owned @callee_owned () -> @out τ_0_0) -> @owned @callee_owned () -> @out Clonable
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let _: () -> () -> Clonable = c.getCloneFn
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}
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// CHECK-LABEL: sil shared [transparent] [reabstraction_thunk] @_T0xIxr_22partial_apply_protocol8Clonable_pIxr_AaBRzlTR : $@convention(thin) <τ_0_0 where τ_0_0 : Clonable> (@owned @callee_owned () -> @out τ_0_0) -> @out Clonable
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// CHECK: bb0(%0 : $*Clonable, %1 : $@callee_owned () -> @out τ_0_0):
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// CHECK-NEXT: [[INNER_RESULT:%.*]] = alloc_stack $τ_0_0
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// CHECK-NEXT: apply %1([[INNER_RESULT]])
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// CHECK-NEXT: [[OUTER_RESULT:%.*]] = init_existential_addr %0
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// CHECK-NEXT: copy_addr [take] [[INNER_RESULT]] to [initialization] [[OUTER_RESULT]]
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// CHECK-NEXT: [[EMPTY:%.*]] = tuple ()
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// CHECK-NEXT: dealloc_stack [[INNER_RESULT]]
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// CHECK-NEXT: return [[EMPTY]]
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// FIXME: This is horribly inefficient, too much alloc_stack / copy_addr!
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// CHECK-LABEL: sil shared [transparent] [reabstraction_thunk] @_T0xSgIxr_22partial_apply_protocol8Clonable_pSgIxr_AbCRzlTR : $@convention(thin) <τ_0_0 where τ_0_0 : Clonable> (@owned @callee_owned () -> @out Optional<τ_0_0>) -> @out Optional<Clonable>
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// CHECK: bb0(%0 : $*Optional<Clonable>, %1 : $@callee_owned () -> @out Optional<τ_0_0>):
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// CHECK-NEXT: [[INNER_RESULT:%.*]] = alloc_stack $Optional<τ_0_0>
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// CHECK-NEXT: apply %1([[INNER_RESULT]])
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// CHECK-NEXT: [[OUTER_RESULT:%.*]] = alloc_stack $Optional<Clonable>
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// CHECK-NEXT: switch_enum_addr [[INNER_RESULT]] : $*Optional<{{.*}}>, case #Optional.some!enumelt.1: [[SOME_BB:bb[0-9]+]],
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// CHECK: [[SOME_BB]]:
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// CHECK-NEXT: [[INNER_RESULT_ADDR:%.*]] = unchecked_take_enum_data_addr [[INNER_RESULT]]
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// CHECK-NEXT: [[SOME_PAYLOAD:%.*]] = alloc_stack $Clonable
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// CHECK-NEXT: [[SOME_PAYLOAD_ADDR:%.*]] = init_existential_addr [[SOME_PAYLOAD]]
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// CHECK-NEXT: copy_addr [take] [[INNER_RESULT_ADDR]] to [initialization] [[SOME_PAYLOAD_ADDR]]
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// CHECK-NEXT: [[OUTER_RESULT_ADDR:%.*]] = init_enum_data_addr [[OUTER_RESULT]]
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// CHECK-NEXT: copy_addr [take] [[SOME_PAYLOAD]] to [initialization] [[OUTER_RESULT_ADDR]]
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// CHECK-NEXT: inject_enum_addr [[OUTER_RESULT]]
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// CHECK-NEXT: dealloc_stack [[SOME_PAYLOAD]]
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// CHECK-NEXT: br bb3
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// CHECK: bb2:
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// CHECK-NEXT: inject_enum_addr [[OUTER_RESULT]]
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// CHECK-NEXT: br bb3
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// CHECK: bb3:
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// CHECK-NEXT: copy_addr [take] [[OUTER_RESULT]] to [initialization] %0
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// CHECK-NEXT: [[EMPTY:%.*]] = tuple ()
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// CHECK-NEXT: dealloc_stack [[OUTER_RESULT]]
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// CHECK-NEXT: dealloc_stack [[INNER_RESULT]]
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// CHECK-NEXT: return [[EMPTY]]
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// CHECK-LABEL: sil shared [transparent] [reabstraction_thunk] @_T0xXMTIxd_22partial_apply_protocol8Clonable_pXmTIxd_AaBRzlTR : $@convention(thin) <τ_0_0 where τ_0_0 : Clonable> (@owned @callee_owned () -> @thick τ_0_0.Type) -> @thick Clonable.Type
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// CHECK: bb0(%0 : $@callee_owned () -> @thick τ_0_0.Type):
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// CHECK-NEXT: [[INNER_RESULT:%.*]] = apply %0()
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// CHECK-NEXT: [[OUTER_RESULT:%.*]] = init_existential_metatype [[INNER_RESULT]]
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// CHECK-NEXT: return [[OUTER_RESULT]]
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// CHECK-LABEL: sil shared [transparent] [reabstraction_thunk] @_T0xIxr_Ixo_22partial_apply_protocol8Clonable_pIxr_Ixo_AaBRzlTR : $@convention(thin) <τ_0_0 where τ_0_0 : Clonable> (@owned @callee_owned () -> @owned @callee_owned () -> @out τ_0_0) -> @owned @callee_owned () -> @out Clonable
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// CHECK: bb0(%0 : $@callee_owned () -> @owned @callee_owned () -> @out τ_0_0):
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// CHECK-NEXT: [[INNER_RESULT:%.*]] = apply %0()
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// CHECK: [[THUNK_FN:%.*]] = function_ref @_T0xIxr_22partial_apply_protocol8Clonable_pIxr_AaBRzlTR
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// CHECK-NEXT: [[OUTER_RESULT:%.*]] = partial_apply [[THUNK_FN]]<τ_0_0>([[INNER_RESULT]])
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// CHECK-NEXT: return [[OUTER_RESULT]]
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//===----------------------------------------------------------------------===//
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// Partial apply of methods returning Self-derived types from generic context
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//
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// Make sure the thunk only has the context generic parameters if needed!
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//===----------------------------------------------------------------------===//
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// CHECK-LABEL: sil hidden @_T022partial_apply_protocol28testClonableInGenericContextyAA0E0_p1c_x1ttlF : $@convention(thin) <T> (@in Clonable, @in T) -> ()
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func testClonableInGenericContext<T>(c: Clonable, t: T) {
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// CHECK: [[THUNK_FN:%.*]] = function_ref @_T0xIxr_22partial_apply_protocol8Clonable_pIxr_AaBRzlTR : $@convention(thin) <τ_0_0 where τ_0_0 : Clonable> (@owned @callee_owned () -> @out τ_0_0) -> @out Clonable
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// CHECK: [[THUNK:%.*]] = partial_apply [[THUNK_FN]]<@opened("{{.*}}") Clonable>({{.*}}) : $@convention(thin) <τ_0_0 where τ_0_0 : Clonable> (@owned @callee_owned () -> @out τ_0_0) -> @out Clonable
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let _: () -> Clonable = c.clone
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// CHECK: [[THUNK_FN:%.*]] = function_ref @_T0xSgIxr_22partial_apply_protocol8Clonable_pSgIxr_AbCRzlTR : $@convention(thin) <τ_0_0 where τ_0_0 : Clonable> (@owned @callee_owned () -> @out Optional<τ_0_0>) -> @out Optional<Clonable>
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// CHECK: [[THUNK:%.*]] = partial_apply [[THUNK_FN]]<@opened("{{.*}}") Clonable>({{.*}}) : $@convention(thin) <τ_0_0 where τ_0_0 : Clonable> (@owned @callee_owned () -> @out Optional<τ_0_0>) -> @out Optional<Clonable>
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let _: () -> Clonable? = c.maybeClone
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// CHECK: [[THUNK_FN:%.*]] = function_ref @_T0xXMTIxd_22partial_apply_protocol8Clonable_pXmTIxd_AaBRzlTR : $@convention(thin) <τ_0_0 where τ_0_0 : Clonable> (@owned @callee_owned () -> @thick τ_0_0.Type) -> @thick Clonable.Type
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// CHECK: [[THUNK:%.*]] = partial_apply [[THUNK_FN]]<@opened("{{.*}}") Clonable>({{.*}}) : $@convention(thin) <τ_0_0 where τ_0_0 : Clonable> (@owned @callee_owned () -> @thick τ_0_0.Type) -> @thick Clonable.Type
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let _: () -> Clonable.Type = c.cloneMetatype
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// CHECK: [[METHOD_FN:%.*]] = witness_method $@opened("{{.*}}") Clonable, #Clonable.getCloneFn!1 : {{.*}}, {{.*}} : $*@opened("{{.*}}") Clonable : $@convention(witness_method) <τ_0_0 where τ_0_0 : Clonable> (@in_guaranteed τ_0_0) -> @owned @callee_owned () -> @out τ_0_0
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// CHECK: [[RESULT:%.*]] = apply [[METHOD_FN]]<@opened("{{.*}}") Clonable>({{.*}}) : $@convention(witness_method) <τ_0_0 where τ_0_0 : Clonable> (@in_guaranteed τ_0_0) -> @owned @callee_owned () -> @out τ_0_0
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// CHECK: [[THUNK_FN:%.*]] = function_ref @_T0xIxr_22partial_apply_protocol8Clonable_pIxr_AaBRzlTR : $@convention(thin) <τ_0_0 where τ_0_0 : Clonable> (@owned @callee_owned () -> @out τ_0_0) -> @out Clonable
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// CHECK: [[THUNK:%.*]] = partial_apply [[THUNK_FN]]<@opened("{{.*}}") Clonable>([[RESULT]]) : $@convention(thin) <τ_0_0 where τ_0_0 : Clonable> (@owned @callee_owned () -> @out τ_0_0) -> @out Clonable
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let _: () -> Clonable = c.getCloneFn()
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// CHECK: [[THUNK_FN:%.*]] = function_ref @_T0xIxr_Ixo_22partial_apply_protocol8Clonable_pIxr_Ixo_AaBRzlTR : $@convention(thin) <τ_0_0 where τ_0_0 : Clonable> (@owned @callee_owned () -> @owned @callee_owned () -> @out τ_0_0) -> @owned @callee_owned () -> @out Clonable
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// CHECK: [[THUNK:%.*]] = partial_apply [[THUNK_FN]]<@opened("{{.*}}") Clonable>({{.*}}) : $@convention(thin) <τ_0_0 where τ_0_0 : Clonable> (@owned @callee_owned () -> @owned @callee_owned () -> @out τ_0_0) -> @owned @callee_owned () -> @out Clonable
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let _: () -> () -> Clonable = c.getCloneFn
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// CHECK: [[THUNK_FN:%.*]] = function_ref @_T0xqd__Ixir_x22partial_apply_protocol8Clonable_pIxir_AaBRd__r__lTR : $@convention(thin) <τ_0_0><τ_1_0 where τ_1_0 : Clonable> (@in τ_0_0, @owned @callee_owned (@in τ_0_0) -> @out τ_1_0) -> @out Clonable
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// CHECK: [[THUNK:%.*]] = partial_apply [[THUNK_FN]]<T, @opened("{{.*}}") Clonable>({{.*}}) : $@convention(thin) <τ_0_0><τ_1_0 where τ_1_0 : Clonable> (@in τ_0_0, @owned @callee_owned (@in τ_0_0) -> @out τ_1_0) -> @out Clonable
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let _: (T) -> Clonable = c.genericClone
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// CHECK: [[THUNK_FN:%.*]] = function_ref @_T0xqd__Ixr_Ixio_x22partial_apply_protocol8Clonable_pIxr_Ixio_AaBRd__r__lTR : $@convention(thin) <τ_0_0><τ_1_0 where τ_1_0 : Clonable> (@in τ_0_0, @owned @callee_owned (@in τ_0_0) -> @owned @callee_owned () -> @out τ_1_0) -> @owned @callee_owned () -> @out Clonable
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// CHECK: [[THUNK:%.*]] = partial_apply [[THUNK_FN]]<T, @opened("{{.*}}") Clonable>({{.*}}) : $@convention(thin) <τ_0_0><τ_1_0 where τ_1_0 : Clonable> (@in τ_0_0, @owned @callee_owned (@in τ_0_0) -> @owned @callee_owned () -> @out τ_1_0) -> @owned @callee_owned () -> @out Clonable
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let _: (T) -> () -> Clonable = c.genericGetCloneFn
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}
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// CHECK-LABEL: sil shared [transparent] [reabstraction_thunk] @_T0xqd__Ixir_x22partial_apply_protocol8Clonable_pIxir_AaBRd__r__lTR : $@convention(thin) <τ_0_0><τ_1_0 where τ_1_0 : Clonable> (@in τ_0_0, @owned @callee_owned (@in τ_0_0) -> @out τ_1_0) -> @out Clonable
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// CHECK: bb0(%0 : $*Clonable, %1 : $*τ_0_0, %2 : $@callee_owned (@in τ_0_0) -> @out τ_1_0):
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// CHECK-NEXT: [[INNER_RESULT:%.*]] = alloc_stack $τ_1_0
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// CHECK-NEXT: apply %2([[INNER_RESULT]], %1)
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// CHECK-NEXT: [[OUTER_RESULT:%.*]] = init_existential_addr %0
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// CHECK-NEXT: copy_addr [take] [[INNER_RESULT]] to [initialization] [[OUTER_RESULT]]
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// CHECK-NEXT: [[EMPTY:%.*]] = tuple ()
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// CHECK-NEXT: dealloc_stack [[INNER_RESULT]]
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// CHECK-NEXT: return [[EMPTY]]
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// CHECK-LABEL: sil shared [transparent] [reabstraction_thunk] @_T0xqd__Ixr_Ixio_x22partial_apply_protocol8Clonable_pIxr_Ixio_AaBRd__r__lTR : $@convention(thin) <τ_0_0><τ_1_0 where τ_1_0 : Clonable> (@in τ_0_0, @owned @callee_owned (@in τ_0_0) -> @owned @callee_owned () -> @out τ_1_0) -> @owned @callee_owned () -> @out Clonable
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// CHECK: bb0(%0 : $*τ_0_0, %1 : $@callee_owned (@in τ_0_0) -> @owned @callee_owned () -> @out τ_1_0):
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// CHECK-NEXT: apply %1(%0)
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// CHECK: [[THUNK_FN:%.*]] = function_ref @_T0qd__Ixr_22partial_apply_protocol8Clonable_pIxr_AaBRd__r__lTR
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// CHECK-NEXT: [[RESULT:%.*]] = partial_apply [[THUNK_FN]]<τ_0_0, τ_1_0>(%2)
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// CHECK-NEXT: return [[RESULT]]
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// CHECK-LABEL: sil shared [transparent] [reabstraction_thunk] @_T0qd__Ixr_22partial_apply_protocol8Clonable_pIxr_AaBRd__r__lTR : $@convention(thin) <τ_0_0><τ_1_0 where τ_1_0 : Clonable> (@owned @callee_owned () -> @out τ_1_0) -> @out Clonable {
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// CHECK: bb0(%0 : $*Clonable, %1 : $@callee_owned () -> @out τ_1_0):
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// CHECK-NEXT: [[INNER_RESULT:%.*]] = alloc_stack $τ_1_0
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// CHECK-NEXT: apply %1([[INNER_RESULT]])
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// CHECK-NEXT: [[OUTER_RESULT:%.*]] = init_existential_addr %0
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// CHECK-NEXT: copy_addr [take] [[INNER_RESULT]] to [initialization] [[OUTER_RESULT]]
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// CHECK-NEXT: [[EMPTY:%.*]] = tuple ()
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// CHECK-NEXT: dealloc_stack [[INNER_RESULT:%.*]]
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// CHECK-NEXT: return [[EMPTY]]
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