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865b155f2e
I suspect there are latent bugs here with generic-class-constrained existentials, same-element requirements involving packs, etc. We can't assume that the local archetypes don't have "hidden" dependencies on the outer parameters that are not encoded in the thunk's interface type.
92 lines
6.8 KiB
Swift
92 lines
6.8 KiB
Swift
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// RUN: %target-swift-emit-silgen -module-name partial_apply_protocol -primary-file %s | %FileCheck %s
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// RUN: %target-swift-emit-ir -module-name partial_apply_protocol -primary-file %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 [ossa] @$s22partial_apply_protocol12testClonable1cyAA0E0_p_tF : $@convention(thin) (@in_guaranteed any Clonable) -> ()
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func testClonable(c: Clonable) {
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// CHECK: [[THUNK_FN:%.*]] = function_ref @$s22partial_apply_protocol12testClonable1cyAA0E0_p_tFAaD_pycAaD_pcfu_ : $@convention(thin) (@in_guaranteed any Clonable) -> @owned @callee_guaranteed () -> @out any Clonable
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// CHECK: [[THUNK:%.*]] = apply [[THUNK_FN]]({{.*}})
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let _: () -> Clonable = c.clone
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// CHECK: [[THUNK_FN:%.*]] = function_ref @$s22partial_apply_protocol12testClonable1cyAA0E0_p_tFAaD_pSgycAaD_pcfu1_ : $@convention(thin) (@in_guaranteed any Clonable) -> @owned @callee_guaranteed () -> @out Optional<any Clonable>
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// CHECK: [[THUNK:%.*]] = apply [[THUNK_FN]]({{.*}})
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let _: () -> Clonable? = c.maybeClone
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// CHECK: [[THUNK_FN:%.*]] = function_ref @$s22partial_apply_protocol12testClonable1cyAA0E0_p_tFAaD_pXpycAaD_pcfu3_ : $@convention(thin) (@in_guaranteed any Clonable) -> @owned @callee_guaranteed () -> @thick any Clonable.Type
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// CHECK: [[THUNK:%.*]] = apply [[THUNK_FN]]({{.*}})
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let _: () -> Clonable.Type = c.cloneMetatype
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// CHECK: [[METHOD_FN:%.*]] = witness_method $@opened("{{.*}}", any Clonable) Self, #Clonable.getCloneFn :
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// CHECK: [[RESULT:%.*]] = apply [[METHOD_FN]]<@opened("{{.*}}", any Clonable) Self>({{.*}})
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// CHECK: [[CONV_RESULT:%.*]] = convert_function [[RESULT]]
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// CHECK: [[THUNK_FN:%.*]] = function_ref @$sxIegr_22partial_apply_protocol8Clonable_pIegr_AaBRzlTR : $@convention(thin) <τ_0_0 where τ_0_0 : Clonable> (@guaranteed @callee_guaranteed () -> @out τ_0_0) -> @out any Clonable
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// CHECK: [[THUNK:%.*]] = partial_apply [callee_guaranteed] [[THUNK_FN]]<@opened("{{.*}}", any Clonable) Self>([[CONV_RESULT]])
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let _: () -> Clonable = c.getCloneFn()
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// CHECK: [[THUNK_FN:%.*]] = function_ref @$s22partial_apply_protocol12testClonable1cyAA0E0_p_tFAaD_pycycAaD_pcfu5_
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// CHECK: [[THUNK:%.*]] = apply [[THUNK_FN]]({{.*}})
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let _: () -> () -> Clonable = c.getCloneFn
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}
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// CHECK-LABEL: sil shared [transparent] [serialized] [reabstraction_thunk] [ossa] @$sxIegr_22partial_apply_protocol8Clonable_pIegr_AaBRzlTR : $@convention(thin) <τ_0_0 where τ_0_0 : Clonable> (@guaranteed @callee_guaranteed () -> @out τ_0_0) -> @out any Clonable
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// CHECK: bb0(%0 : $*any Clonable, %1 : @guaranteed $@callee_guaranteed () -> @out τ_0_0):
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// CHECK-NEXT: [[INNER_RESULT:%.*]] = alloc_stack $τ_0_0
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// CHECK-NEXT: apply %1([[INNER_RESULT]])
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// CHECK-NEXT: [[OUTER_RESULT:%.*]] = init_existential_addr %0
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// CHECK-NEXT: copy_addr [take] [[INNER_RESULT]] to [init] [[OUTER_RESULT]]
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// CHECK-NEXT: [[EMPTY:%.*]] = tuple ()
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// CHECK-NEXT: dealloc_stack [[INNER_RESULT]]
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// CHECK-NEXT: return [[EMPTY]]
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//===----------------------------------------------------------------------===//
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// Partial apply of methods returning Self-derived types from generic context
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//===----------------------------------------------------------------------===//
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// CHECK-LABEL: sil hidden [ossa] @$s22partial_apply_protocol28testClonableInGenericContext1c1tyAA0E0_p_xtlF : $@convention(thin) <T> (@in_guaranteed any Clonable, @in_guaranteed T) -> ()
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func testClonableInGenericContext<T>(c: Clonable, t: T) {
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// CHECK: [[THUNK_FN:%.*]] = function_ref @$s22partial_apply_protocol28testClonableInGenericContext1c1tyAA0E0_p_xtlFAaE_pycAaE_pcfu_ : $@convention(thin) (@in_guaranteed any Clonable) -> @owned @callee_guaranteed () -> @out any Clonable
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// CHECK: [[THUNK:%.*]] = apply [[THUNK_FN]]({{.*}})
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let _: () -> Clonable = c.clone
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// CHECK: [[THUNK_FN:%.*]] = function_ref @$s22partial_apply_protocol28testClonableInGenericContext1c1tyAA0E0_p_xtlFAaE_pSgycAaE_pcfu1_ : $@convention(thin) (@in_guaranteed any Clonable) -> @owned @callee_guaranteed () -> @out Optional<any Clonable> // user: %8
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// CHECK: [[THUNK:%.*]] = apply [[THUNK_FN]]({{.*}})
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let _: () -> Clonable? = c.maybeClone
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// CHECK: [[THUNK_FN:%.*]] = function_ref @$s22partial_apply_protocol28testClonableInGenericContext1c1tyAA0E0_p_xtlFAaE_pXpycAaE_pcfu3_ : $@convention(thin) (@in_guaranteed any Clonable) -> @owned @callee_guaranteed () -> @thick any Clonable.Type
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// CHECK: [[THUNK:%.*]] = apply [[THUNK_FN]]({{.*}})
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let _: () -> Clonable.Type = c.cloneMetatype
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// CHECK: [[METHOD_FN:%.*]] = witness_method $@opened("{{.*}}", any Clonable) Self, #Clonable.getCloneFn :
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// CHECK: [[RESULT:%.*]] = apply [[METHOD_FN]]<@opened("{{.*}}", any Clonable) Self>({{.*}})
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// CHECK: [[RESULT_CONV:%.*]] = convert_function [[RESULT]]
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// CHECK: [[THUNK_FN:%.*]] = function_ref @$sqd__Iegr_22partial_apply_protocol8Clonable_pIegr_AaBRd__r__lTR : $@convention(thin) <τ_0_0><τ_1_0 where τ_1_0 : Clonable> (@guaranteed @callee_guaranteed () -> @out τ_1_0) -> @out any Clonable
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// CHECK: [[THUNK:%.*]] = partial_apply [callee_guaranteed] [[THUNK_FN]]<T, @opened("{{.*}}", any Clonable) Self>([[RESULT_CONV]]) : $@convention(thin) <τ_0_0><τ_1_0 where τ_1_0 : Clonable> (@guaranteed @callee_guaranteed () -> @out τ_1_0) -> @out any Clonable
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let _: () -> Clonable = c.getCloneFn()
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// CHECK: [[THUNK_FN:%.*]] = function_ref @$s22partial_apply_protocol28testClonableInGenericContext1c1tyAA0E0_p_xtlFAaE_pycycAaE_pcfu5_ : $@convention(thin) (@in_guaranteed any Clonable) -> @owned @callee_guaranteed () -> @owned @callee_guaranteed () -> @out any Clonable
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// CHECK: [[THUNK:%.*]] = apply [[THUNK_FN]]({{.*}})
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let _: () -> () -> Clonable = c.getCloneFn
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// CHECK: [[THUNK_FN:%.*]] = function_ref @$s22partial_apply_protocol28testClonableInGenericContext1c1tyAA0E0_p_xtlFAaE_pxcAaE_pcfu7_ : $@convention(thin) <τ_0_0> (@in_guaranteed any Clonable) -> @owned @callee_guaranteed @substituted <τ_0_0> (@in_guaranteed τ_0_0) -> @out any Clonable for <τ_0_0>
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// CHECK: [[THUNK:%.*]] = apply [[THUNK_FN]]<T>({{.*}})
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let _: (T) -> Clonable = c.genericClone
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// CHECK: [[THUNK_FN:%.*]] = function_ref @$s22partial_apply_protocol28testClonableInGenericContext1c1tyAA0E0_p_xtlFAaE_pycxcAaE_pcfu9_ : $@convention(thin) <τ_0_0> (@in_guaranteed any Clonable) -> @owned @callee_guaranteed @substituted <τ_0_0> (@in_guaranteed τ_0_0) -> (@owned @callee_guaranteed () -> @out any Clonable) for <τ_0_0>
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// CHECK: [[THUNK:%.*]] = apply [[THUNK_FN]]<T>({{.*}})
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let _: (T) -> () -> Clonable = c.genericGetCloneFn
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}
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