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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.
331 lines
21 KiB
Swift
331 lines
21 KiB
Swift
// RUN: %target-swift-emit-silgen -disable-availability-checking %s | %FileCheck %s
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// rdar://110391963
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struct Use<each T> {}
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struct FunctionProducer<each T> {
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static func get() -> () -> (repeat each T) {
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return { preconditionFailure("") }
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}
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}
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struct PlusFunctionProducer<U, each T> {
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static func get() -> () -> (U, repeat each T) {
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return { preconditionFailure("") }
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}
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}
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struct FunctionConsumer<each T> {
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static func set(_: () -> (repeat each T)) {}
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}
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struct PlusFunctionConsumer<U, each T> {
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static func set(_: () -> (U, repeat each T)) {}
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}
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func test1() {
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let fn = FunctionProducer<String>.get()
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_ = fn()
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}
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// CHECK-LABEL: sil {{.*}} @$s4main5test1yyF :
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// CHECK: function_ref @$sSS_QSiIegk_SSIego_TR : $@convention(thin) (@guaranteed @callee_guaranteed () -> @pack_out Pack{String}) -> @owned String
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// CHECK-LABEL: sil shared {{.*}} @$sSS_QSiIegk_SSIego_TR :
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// CHECK: [[PACK:%.*]] = alloc_pack $Pack{String}
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// CHECK-NEXT: [[STRING_TEMP:%.*]] = alloc_stack $String
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// CHECK-NEXT: [[STRING_INDEX:%.*]] = scalar_pack_index 0 of $Pack{String}
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// CHECK-NEXT: pack_element_set [[STRING_TEMP]] : $*String into [[STRING_INDEX]] of [[PACK]] : $*Pack{String}
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// CHECK-NEXT: apply %0([[PACK]])
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// CHECK-NEXT: [[STRING:%.*]] = load [take] [[STRING_TEMP]] : $*String
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// CHECK-NEXT: dealloc_stack [[STRING_TEMP]] :
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// CHECK-NEXT: dealloc_pack [[PACK]] :
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// CHECK-NEXT: return [[STRING]]
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func test2() {
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let fn = FunctionProducer<String, Int>.get()
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_ = fn()
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}
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// CHECK-LABEL: sil {{.*}} @$s4main5test2yyF :
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// CHECK: function_ref @$sSS_SiQSiIegk_SSSiIegod_TR : $@convention(thin) (@guaranteed @callee_guaranteed () -> @pack_out Pack{String, Int}) -> (@owned String, Int)
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// CHECK: sil shared {{.*}} @$sSS_SiQSiIegk_SSSiIegod_TR :
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// CHECK: [[PACK:%.*]] = alloc_pack $Pack{String, Int}
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// CHECK-NEXT: [[STRING_TEMP:%.*]] = alloc_stack $String
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// CHECK-NEXT: [[STRING_INDEX:%.*]] = scalar_pack_index 0 of $Pack{String, Int}
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// CHECK-NEXT: pack_element_set [[STRING_TEMP]] : $*String into [[STRING_INDEX]] of [[PACK]] : $*Pack{String, Int}
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// CHECK-NEXT: [[INT_TEMP:%.*]] = alloc_stack $Int
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// CHECK-NEXT: [[INT_INDEX:%.*]] = scalar_pack_index 1 of $Pack{String, Int}
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// CHECK-NEXT: pack_element_set [[INT_TEMP]] : $*Int into [[INT_INDEX]] of [[PACK]] : $*Pack{String, Int}
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// CHECK-NEXT: apply %0([[PACK]])
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// CHECK-NEXT: [[STRING:%.*]] = load [take] [[STRING_TEMP]] : $*String
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// CHECK-NEXT: [[INT:%.*]] = load [trivial] [[INT_TEMP]] : $*Int
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// CHECK-NEXT: [[TUPLE:%.*]] = tuple ([[STRING]] : $String, [[INT]] : $Int)
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// CHECK-NEXT: dealloc_stack [[INT_TEMP]] :
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// CHECK-NEXT: dealloc_stack [[STRING_TEMP]] :
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// CHECK-NEXT: dealloc_pack [[PACK]] :
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// CHECK-NEXT: return [[TUPLE]]
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func test3() {
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let fn = FunctionProducer< >.get()
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_ = fn()
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}
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// CHECK-LABEL: sil {{.*}} @$s4main5test3yyF :
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// CHECK: function_ref @$syQSiIegk_Ieg_TR : $@convention(thin) (@guaranteed @callee_guaranteed () -> @pack_out Pack{}) -> ()
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// CHECK: sil shared {{.*}} @$syQSiIegk_Ieg_TR :
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// CHECK: [[PACK:%.*]] = alloc_pack $Pack{}
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// CHECK-NEXT: apply %0([[PACK]])
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// CHECK-NEXT: [[TUPLE:%.*]] = tuple ()
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// CHECK-NEXT: dealloc_pack [[PACK]] :
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// CHECK-NEXT: return [[TUPLE]]
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func test4() {
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let fn = PlusFunctionProducer<String>.get()
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_ = fn()
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}
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// CHECK-LABEL: sil {{.*}} @$s4main5test4yyF :
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// CHECK: function_ref @$sSSyQSiIegrk_SSIego_TR : $@convention(thin) (@guaranteed @callee_guaranteed () -> (@out String, @pack_out Pack{})) -> @owned String
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// CHECK-LABEL: sil shared {{.*}} @$sSSyQSiIegrk_SSIego_TR :
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// CHECK: [[STRING_TEMP:%.*]] = alloc_stack $String
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// CHECK-NEXT: [[PACK:%.*]] = alloc_pack $Pack{}
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// CHECK-NEXT: apply %0([[STRING_TEMP]], [[PACK]])
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// CHECK-NEXT: [[STRING:%.*]] = load [take] [[STRING_TEMP]] : $*String
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// CHECK-NEXT: dealloc_pack [[PACK]] :
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// CHECK-NEXT: dealloc_stack [[STRING_TEMP]] :
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// CHECK-NEXT: return [[STRING]]
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func test5(fn: () -> (String, Int)) {
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FunctionConsumer.set(fn)
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}
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// CHECK-LABEL: sil {{.*}} @$s4main5test52fnySS_SityXE_tF :
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// CHECK: function_ref @$sSSSiIgod_SS_SiQSiIegk_TR : $@convention(thin) (@guaranteed @noescape @callee_guaranteed () -> (@owned String, Int)) -> @pack_out Pack{String, Int}
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// CHECK-LABEL: sil shared {{.*}} @$sSSSiIgod_SS_SiQSiIegk_TR :
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// CHECK: [[STRING_INDEX:%.*]] = scalar_pack_index 0 of $Pack{String, Int}
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// CHECK-NEXT: [[STRING_ADDR:%.*]] = pack_element_get [[STRING_INDEX]] of %0 : $*Pack{String, Int} as $*String
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// CHECK-NEXT: [[INT_INDEX:%.*]] = scalar_pack_index 1 of $Pack{String, Int}
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// CHECK-NEXT: [[INT_ADDR:%.*]] = pack_element_get [[INT_INDEX]] of %0 : $*Pack{String, Int} as $*Int
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// CHECK-NEXT: [[RESULT:%.*]] = apply %1()
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// CHECK-NEXT: ([[STRING:%.*]], [[INT:%.*]]) = destructure_tuple [[RESULT]]
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// CHECK-NEXT: store [[STRING]] to [init] [[STRING_ADDR]] :
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// CHECK-NEXT: store [[INT]] to [trivial] [[INT_ADDR]] :
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func test6(fn: () -> (String, Int)) {
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PlusFunctionConsumer.set(fn)
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}
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// CHECK-LABEL: sil {{.*}} @$s4main5test62fnySS_SityXE_tF :
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// CHECK: function_ref @$sSSSiIgod_SSSi_QSiIegrk_TR : $@convention(thin) (@guaranteed @noescape @callee_guaranteed () -> (@owned String, Int)) -> (@out String, @pack_out Pack{Int})
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// CHECK-LABEL: sil shared {{.*}} @$sSSSiIgod_SSSi_QSiIegrk_TR :
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// CHECK: [[INT_INDEX:%.*]] = scalar_pack_index 0 of $Pack{Int}
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// CHECK-NEXT: [[INT_ADDR:%.*]] = pack_element_get [[INT_INDEX]] of %1 : $*Pack{Int} as $*Int
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// CHECK-NEXT: [[RESULT:%.*]] = apply %2()
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// CHECK-NEXT: ([[STRING:%.*]], [[INT:%.*]]) = destructure_tuple [[RESULT]]
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// CHECK-NEXT: store [[STRING]] to [init] %0 :
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// CHECK-NEXT: store [[INT]] to [trivial] [[INT_ADDR]] :
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func test7(fn: () -> String) {
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PlusFunctionConsumer.set(fn)
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}
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// CHECK-LABEL: sil {{.*}} @$s4main5test72fnySSyXE_tF :
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// CHECK: function_ref @$sSSIgo_SSyQSiIegrk_TR : $@convention(thin) (@guaranteed @noescape @callee_guaranteed () -> @owned String) -> (@out String, @pack_out Pack{})
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// CHECK-LABEL: sil shared {{.*}} @$sSSIgo_SSyQSiIegrk_TR :
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// CHECK: [[STRING:%.*]] = apply %2()
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// CHECK-NEXT: store [[STRING]] to [init] %0 :
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func test8() {
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PlusFunctionConsumer.set(FunctionProducer<(String, Int)>.get())
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}
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// CHECK-LABEL: sil {{.*}} @$s4main5test8yyF :
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// We emit this with a chain of two reabstraction thunks, which is a pity,
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// because otherwise it would truly be a marvelously complex thunk.
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// CHECK: function_ref @$sSS_Sit_QSiIegk_SSSiIegod_TR : $@convention(thin) (@guaranteed @callee_guaranteed () -> @pack_out Pack{(String, Int)}) -> (@owned String, Int)
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// CHECK: function_ref @$sSSSiIgod_SSSi_QSiIegrk_TR : $@convention(thin) (@guaranteed @noescape @callee_guaranteed () -> (@owned String, Int)) -> (@out String, @pack_out Pack{Int})
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// CHECK-LABEL: sil shared {{.*}} @$sSS_Sit_QSiIegk_SSSiIegod_TR :
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// CHECK: [[PACK:%.*]] = alloc_pack $Pack{(String, Int)}
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// CHECK-NEXT: [[TUPLE_TEMP:%.*]] = alloc_stack $(String, Int)
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// CHECK-NEXT: [[STRING_ADDR:%.*]] = tuple_element_addr [[TUPLE_TEMP]] : $*(String, Int), 0
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// CHECK-NEXT: [[INT_ADDR:%.*]] = tuple_element_addr [[TUPLE_TEMP]] : $*(String, Int), 1
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// CHECK-NEXT: [[TUPLE_INDEX:%.*]] = scalar_pack_index 0 of $Pack{(String, Int)}
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// CHECK-NEXT: pack_element_set [[TUPLE_TEMP]] : $*(String, Int) into [[TUPLE_INDEX]] of [[PACK]] : $*Pack{(String, Int)}
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// CHECK-NEXT: apply %0([[PACK]])
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// CHECK-NEXT: [[STRING:%.*]] = load [take] [[STRING_ADDR]] : $*String
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// CHECK-NEXT: [[INT:%.*]] = load [trivial] [[INT_ADDR]] : $*Int
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// CHECK-NEXT: [[TUPLE:%.*]] = tuple ([[STRING]] : $String, [[INT]] : $Int)
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// CHECK-NEXT: dealloc_stack [[TUPLE_TEMP]] :
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// CHECK-NEXT: dealloc_pack [[PACK]] :
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// CHECK-NEXT: return [[TUPLE]]
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func test9<each T>() -> Use<repeat each T> {
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let fn = FunctionProducer<String, repeat each T, Int>.get()
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_ = fn()
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return Use()
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}
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// CHECK-LABEL: sil {{.*}} @$s4main5test9AA3UseVyxxQp_QPGyRvzlF :
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// CHECK: function_ref @$sSS_xxQpSiQSiIegk_SSxxQp_QSiSiIegokd_RvzlTR : $@convention(thin) <each τ_0_0> (@guaranteed @callee_guaranteed () -> @pack_out Pack{String, repeat each τ_0_0, Int}) -> (@owned String, @pack_out Pack{repeat each τ_0_0}, Int)
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// CHECK-LABEL: sil shared {{.*}} @$sSS_xxQpSiQSiIegk_SSxxQp_QSiSiIegokd_RvzlTR :
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// Create the inner pack argument.
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// CHECK: [[PACK:%.*]] = alloc_pack $Pack{String, repeat each T, Int}
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// - Set up the string result temporary.
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// CHECK-NEXT: [[STRING_TEMP:%.*]] = alloc_stack $String
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// CHECK-NEXT: [[STRING_INDEX:%.*]] = scalar_pack_index 0 of $Pack{String, repeat each T, Int}
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// CHECK-NEXT: pack_element_set [[STRING_TEMP]] : $*String into [[STRING_INDEX]] of [[PACK]] : $*Pack{String, repeat each T, Int}
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// - Forward the pack expansion addresses.
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// CHECK-NEXT: [[ZERO:%.*]] = integer_literal $Builtin.Word, 0
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// CHECK-NEXT: [[ONE:%.*]] = integer_literal $Builtin.Word, 1
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// CHECK-NEXT: [[LEN:%.*]] = pack_length $Pack{repeat each T}
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// CHECK-NEXT: br bb1([[ZERO]] : $Builtin.Word)
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// CHECK: bb1([[IDX:%.*]] : $Builtin.Word)
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// CHECK-NEXT: [[IDX_EQ_LEN:%.*]] = builtin "cmp_eq_Word"([[IDX]] : $Builtin.Word, [[LEN]] : $Builtin.Word) : $Builtin.Int1
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// CHECK-NEXT: cond_br [[IDX_EQ_LEN]], bb3, bb2
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// CHECK: bb2:
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// CHECK-NEXT: [[EXPANSION_INDEX:%.*]] = dynamic_pack_index [[IDX]] of $Pack{repeat each T}
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// CHECK-NEXT: open_pack_element [[EXPANSION_INDEX]] of <each T> at <Pack{repeat each T}>, shape $each T, uuid [[UUID:".*"]]
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// CHECK-NEXT: [[ELT_INDEX:%.*]] = pack_pack_index 1, [[EXPANSION_INDEX]] of $Pack{String, repeat each T, Int}
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// CHECK-NEXT: [[DEST_ELT_ADDR:%.*]] = pack_element_get [[EXPANSION_INDEX]] of %0 : $*Pack{repeat each T} as $*@pack_element([[UUID]]) each T
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// CHECK-NEXT: pack_element_set [[DEST_ELT_ADDR]] : $*@pack_element([[UUID]]) each T into [[ELT_INDEX]] of [[PACK]] : $*Pack{String, repeat each T, Int}
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// CHECK-NEXT: [[NEXT_IDX:%.*]] = builtin "add_Word"([[IDX]] : $Builtin.Word, [[ONE]] : $Builtin.Word) : $Builtin.Word
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// CHECK-NEXT: br bb1([[NEXT_IDX]] : $Builtin.Word)
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// CHECK: bb3:
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// - Set up the int result temporary.
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// CHECK-NEXT: [[INT_TEMP:%.*]] = alloc_stack $Int
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// CHECK-NEXT: [[INT_INDEX:%.*]] = scalar_pack_index 2 of $Pack{String, repeat each T, Int}
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// CHECK-NEXT: pack_element_set [[INT_TEMP]] : $*Int into [[INT_INDEX]] of [[PACK]] : $*Pack{String, repeat each T, Int}
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// Call the reabstracted function.
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// CHECK-NEXT: apply %1([[PACK]])
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// Load the direct components and tuple them up for the return.
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// CHECK-NEXT: [[STRING:%.*]] = load [take] [[STRING_TEMP]] : $*String
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// CHECK-NEXT: [[INT:%.*]] = load [trivial] [[INT_TEMP]] : $*Int
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// CHECK-NEXT: [[TUPLE:%.*]] = tuple ([[STRING]] : $String, [[INT]] : $Int)
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// CHECK-NEXT: dealloc_stack [[INT_TEMP]] :
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// CHECK-NEXT: dealloc_stack [[STRING_TEMP]] :
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// CHECK-NEXT: dealloc_pack [[PACK]] :
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// CHECK-NEXT: return [[TUPLE]]
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func test10<each T>() -> Use<repeat each T> {
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let fn = FunctionProducer<(String, repeat each T, Int)>.get()
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_ = fn()
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return Use()
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}
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// CHECK-LABEL: sil {{.*}} @$s4main6test10AA3UseVyxxQp_QPGyRvzlF :
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// CHECK: function_ref @$sSS_xxQpSit_QSiIegk_SSxxQp_QSiSiIegokd_RvzlTR : $@convention(thin) <each τ_0_0> (@guaranteed @callee_guaranteed () -> @pack_out Pack{(String, repeat each τ_0_0, Int)}) -> (@owned String, @pack_out Pack{repeat each τ_0_0}, Int)
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// CHECK-LABEL: sil shared {{.*}} @$sSS_xxQpSit_QSiIegk_SSxxQp_QSiSiIegokd_RvzlTR :
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// Create a tuple temporary.
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// CHECK: [[PACK:%.*]] = alloc_pack $Pack{(String, repeat each T, Int)}
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// CHECK-NEXT: [[TUPLE_TEMP:%.*]] = alloc_stack $(String, repeat each T, Int)
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// Project out the tuple elements for the non-expansion elements;
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// we'll use these after the call.
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// CHECK-NEXT: [[STRING_INDEX:%.*]] = scalar_pack_index 0 of $Pack{String, repeat each T, Int}
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// CHECK-NEXT: [[STRING_ADDR:%.*]] = tuple_pack_element_addr [[STRING_INDEX]] of [[TUPLE_TEMP]] : $*(String, repeat each T, Int) as $*String
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// CHECK-NEXT: [[INT_INDEX:%.*]] = scalar_pack_index 2 of $Pack{String, repeat each T, Int}
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// CHECK-NEXT: [[INT_ADDR:%.*]] = tuple_pack_element_addr [[INT_INDEX]] of [[TUPLE_TEMP]] : $*(String, repeat each T, Int) as $*Int
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// Write the tuple temporary's address into the inner argument pack.
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// CHECK-NEXT: [[TUPLE_INDEX:%.*]] = scalar_pack_index 0 of $Pack{(String, repeat each T, Int)}
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// CHECK-NEXT: pack_element_set [[TUPLE_TEMP]] : $*(String, repeat each T, Int) into [[TUPLE_INDEX]] of [[PACK]] : $*Pack{(String, repeat each T, Int)}
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// Call the reabstracted function.
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// CHECK-NEXT: apply %1([[PACK]])
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// Load the first component of the tuple (the string).
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// CHECK-NEXT: [[STRING:%.*]] = load [take] [[STRING_ADDR]] : $*String
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// Perform a pack loop to move the pack expansion elements into
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// the outer pack.
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// CHECK-NEXT: [[ZERO:%.*]] = integer_literal $Builtin.Word, 0
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// CHECK-NEXT: [[ONE:%.*]] = integer_literal $Builtin.Word, 1
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// CHECK-NEXT: [[LEN:%.*]] = pack_length $Pack{repeat each T}
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// CHECK-NEXT: br bb1([[ZERO]] : $Builtin.Word)
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// CHECK: bb1([[IDX:%.*]] : $Builtin.Word)
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// CHECK-NEXT: [[IDX_EQ_LEN:%.*]] = builtin "cmp_eq_Word"([[IDX]] : $Builtin.Word, [[LEN]] : $Builtin.Word) : $Builtin.Int1
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// CHECK-NEXT: cond_br [[IDX_EQ_LEN]], bb3, bb2
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// CHECK: bb2:
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// CHECK-NEXT: [[EXPANSION_INDEX:%.*]] = dynamic_pack_index [[IDX]] of $Pack{repeat each T}
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// CHECK-NEXT: open_pack_element [[EXPANSION_INDEX]] of <each T> at <Pack{repeat each T}>, shape $each T, uuid [[UUID:".*"]]
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// CHECK-NEXT: [[TUPLE_ELT_INDEX:%.*]] = pack_pack_index 1, [[EXPANSION_INDEX]] of $Pack{String, repeat each T, Int}
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// CHECK-NEXT: [[SRC_ELT_ADDR:%.*]] = tuple_pack_element_addr [[TUPLE_ELT_INDEX]] of [[TUPLE_TEMP]] : $*(String, repeat each T, Int) as $*@pack_element([[UUID]]) each T
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// CHECK-NEXT: [[DEST_ELT_ADDR:%.*]] = pack_element_get [[EXPANSION_INDEX]] of %0 : $*Pack{repeat each T} as $*@pack_element([[UUID]]) each T
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// CHECK-NEXT: copy_addr [take] [[SRC_ELT_ADDR]] to [init] [[DEST_ELT_ADDR]] : $*@pack_element([[UUID]]) each T
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// CHECK-NEXT: [[NEXT_IDX:%.*]] = builtin "add_Word"([[IDX]] : $Builtin.Word, [[ONE]] : $Builtin.Word) : $Builtin.Word
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// CHECK-NEXT: br bb1([[NEXT_IDX]] : $Builtin.Word)
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// CHECK: bb3:
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// Load the last component of the tuple (the int).
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// CHECK-NEXT: [[INT:%.*]] = load [trivial] [[INT_ADDR]] : $*Int
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// Return.
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// CHECK-NEXT: [[TUPLE:%.*]] = tuple ([[STRING]] : $String, [[INT]] : $Int)
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// CHECK-NEXT: dealloc_stack [[TUPLE_TEMP]] :
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// CHECK-NEXT: dealloc_pack [[PACK]] :
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// CHECK-NEXT: return [[TUPLE]]
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// Test that we can reabstract the components of a pack expansion.
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func test11<each T>() -> Use<repeat each T> {
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let fn = FunctionProducer<String, repeat (each T) -> Bool, Int>.get()
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_ = fn()
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return Use()
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}
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// CHECK-LABEL: sil {{.*}} @$s4main6test11AA3UseVyxxQp_QPGyRvzlF :
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// CHECK: function_ref @$sSS_xq_Ri_zRi0_zRi__Ri0__r0_lyxSbIsegnr_xQpSiQSiIegk_SSxSbRi_zRi0_zlyxIsegnd_xQp_QSiSiIegokd_RvzlTR : $@convention(thin) <each τ_0_0> (@guaranteed @callee_guaranteed () -> @pack_out Pack{String, repeat @callee_guaranteed @substituted <τ_0_0, τ_0_1> (@in_guaranteed τ_0_0) -> @out τ_0_1 for <each τ_0_0, Bool>, Int}) -> (@owned String, @pack_out Pack{repeat @callee_guaranteed @substituted <τ_0_0> (@in_guaranteed τ_0_0) -> Bool for <each τ_0_0>}, Int)
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// CHECK-LABEL: sil shared {{.*}} @$sSS_xq_Ri_zRi0_zRi__Ri0__r0_lyxSbIsegnr_xQpSiQSiIegk_SSxSbRi_zRi0_zlyxIsegnd_xQp_QSiSiIegokd_RvzlTR :
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// Create the inner pack argument.
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// CHECK: [[PACK:%.*]] = alloc_pack $Pack{String, repeat @callee_guaranteed @substituted <τ_0_0, τ_0_1> (@in_guaranteed τ_0_0) -> @out τ_0_1 for <each T, Bool>, Int}
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// - Set up the string result temporary.
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// CHECK-NEXT: [[STRING_TEMP:%.*]] = alloc_stack $String
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// CHECK-NEXT: [[STRING_INDEX:%.*]] = scalar_pack_index 0 of $Pack{String, repeat (each T) -> Bool, Int}
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// CHECK-NEXT: pack_element_set [[STRING_TEMP]] : $*String into [[STRING_INDEX]] of [[PACK]] : $*Pack{String, repeat @callee_guaranteed @substituted <τ_0_0, τ_0_1> (@in_guaranteed τ_0_0) -> @out τ_0_1 for <each T, Bool>, Int}
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// - Set up a temporary for the pack expansion values and project
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// its element addresses into the pack.
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// CHECK-NEXT: [[EXPANSION_TEMP:%.*]] = alloc_stack $(repeat @callee_guaranteed @substituted <τ_0_0, τ_0_1> (@in_guaranteed τ_0_0) -> @out τ_0_1 for <each T, Bool>)
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// CHECK-NEXT: [[ZERO:%.*]] = integer_literal $Builtin.Word, 0
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// CHECK-NEXT: [[ONE:%.*]] = integer_literal $Builtin.Word, 1
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// CHECK-NEXT: [[LEN:%.*]] = pack_length $Pack{repeat each T}
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// CHECK-NEXT: br bb1([[ZERO]] : $Builtin.Word)
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// CHECK: bb1([[IDX:%.*]] : $Builtin.Word)
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// CHECK-NEXT: [[IDX_EQ_LEN:%.*]] = builtin "cmp_eq_Word"([[IDX]] : $Builtin.Word, [[LEN]] : $Builtin.Word) : $Builtin.Int1
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// CHECK-NEXT: cond_br [[IDX_EQ_LEN]], bb3, bb2
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// CHECK: bb2:
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// CHECK-NEXT: [[EXPANSION_INDEX:%.*]] = dynamic_pack_index [[IDX]] of $Pack{repeat (each T) -> Bool}
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// CHECK-NEXT: open_pack_element [[EXPANSION_INDEX]] of <each T> at <Pack{repeat each T}>, shape $each T, uuid [[UUID:".*"]]
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// CHECK-NEXT: [[PACK_ELT_INDEX:%.*]] = pack_pack_index 1, [[EXPANSION_INDEX]] of $Pack{String, repeat (each T) -> Bool, Int}
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// CHECK-NEXT: [[TEMP_ELT_ADDR:%.*]] = tuple_pack_element_addr [[EXPANSION_INDEX]] of [[EXPANSION_TEMP]] : $*(repeat @callee_guaranteed @substituted <τ_0_0, τ_0_1> (@in_guaranteed τ_0_0) -> @out τ_0_1 for <each T, Bool>) as $*@callee_guaranteed @substituted <τ_0_0, τ_0_1> (@in_guaranteed τ_0_0) -> @out τ_0_1 for <@pack_element([[UUID]]) each T, Bool>
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// CHECK-NEXT: pack_element_set [[TEMP_ELT_ADDR]] : $*@callee_guaranteed @substituted <τ_0_0, τ_0_1> (@in_guaranteed τ_0_0) -> @out τ_0_1 for <@pack_element([[UUID]]) each T, Bool> into [[PACK_ELT_INDEX]] of [[PACK]] :
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// CHECK-NEXT: [[NEXT_IDX:%.*]] = builtin "add_Word"([[IDX]] : $Builtin.Word, [[ONE]] : $Builtin.Word) : $Builtin.Word
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// CHECK-NEXT: br bb1([[NEXT_IDX]] : $Builtin.Word)
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// CHECK: bb3:
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// - Set up the int result temporary.
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// CHECK-NEXT: [[INT_TEMP:%.*]] = alloc_stack $Int
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// CHECK-NEXT: [[INT_INDEX:%.*]] = scalar_pack_index 2 of $Pack{String, repeat (each T) -> Bool, Int}
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|
// CHECK-NEXT: pack_element_set [[INT_TEMP]] : $*Int into [[INT_INDEX]] of [[PACK]] : $*Pack{String, repeat @callee_guaranteed @substituted <τ_0_0, τ_0_1> (@in_guaranteed τ_0_0) -> @out τ_0_1 for <each T, Bool>, Int}
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|
// Call the reabstracted function.
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// CHECK-NEXT: apply %1([[PACK]])
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|
// Reassemble the outer results:
|
|
// - Load the first direct component.
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|
// CHECK-NEXT: [[STRING:%.*]] = load [take] [[STRING_TEMP]] : $*String
|
|
// - Reabstract the pack expansion components.
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|
// CHECK-NEXT: [[ZERO:%.*]] = integer_literal $Builtin.Word, 0
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// CHECK-NEXT: [[ONE:%.*]] = integer_literal $Builtin.Word, 1
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// CHECK-NEXT: [[LEN:%.*]] = pack_length $Pack{repeat each T}
|
|
// CHECK-NEXT: br bb4([[ZERO]] : $Builtin.Word)
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|
// CHECK: bb4([[IDX:%.*]] : $Builtin.Word)
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|
// CHECK-NEXT: [[IDX_EQ_LEN:%.*]] = builtin "cmp_eq_Word"([[IDX]] : $Builtin.Word, [[LEN]] : $Builtin.Word) : $Builtin.Int1
|
|
// CHECK-NEXT: cond_br [[IDX_EQ_LEN]], bb6, bb5
|
|
// CHECK: bb5:
|
|
// FIXME: the pack type on this seems to be a lowered type
|
|
// CHECK-NEXT: [[EXPANSION_INDEX:%.*]] = dynamic_pack_index [[IDX]] of
|
|
// CHECK-NEXT: open_pack_element [[EXPANSION_INDEX]] of <each T> at <Pack{repeat each T}>, shape $each T, uuid [[UUID:".*"]]
|
|
// CHECK-NEXT: [[SRC_ELT_ADDR:%.*]] = tuple_pack_element_addr [[EXPANSION_INDEX]] of [[EXPANSION_TEMP]] : $*(repeat @callee_guaranteed @substituted <τ_0_0, τ_0_1> (@in_guaranteed τ_0_0) -> @out τ_0_1 for <each T, Bool>) as $*@callee_guaranteed @substituted <τ_0_0, τ_0_1> (@in_guaranteed τ_0_0) -> @out τ_0_1 for <@pack_element([[UUID]]) each T, Bool>
|
|
// - Load the function value and apply the thunking conversion.
|
|
// CHECK-NEXT: [[ELT:%.*]] = load [take] [[SRC_ELT_ADDR]] :
|
|
// CHECK-NEXT: [[DEST_ELT_ADDR:%.*]] = pack_element_get [[EXPANSION_INDEX]] of %0 : $*Pack{repeat @callee_guaranteed @substituted <τ_0_0> (@in_guaranteed τ_0_0) -> Bool for <each T>} as $*@callee_guaranteed @substituted <τ_0_0> (@in_guaranteed τ_0_0) -> Bool for <@pack_element([[UUID]]) each T>
|
|
// CHECK-NEXT: [[ESCAPING_ELT:%.*]] = convert_function [[ELT]]
|
|
// CHECK-NEXT: // function_ref
|
|
// CHECK-NEXT: [[THUNK:%.*]] = function_ref @$sqd__SbIegnr_qd__SbIegnd_Rvzr__lTR : $@convention(thin) <each τ_0_0><τ_1_0> (@in_guaranteed τ_1_0, @guaranteed @callee_guaranteed (@in_guaranteed τ_1_0) -> @out Bool) -> Bool
|
|
// CHECK-NEXT: [[CONVERTED_ELT:%.*]] = partial_apply
|
|
// CHECK-NEXT: [[CONVERTED_ELT_2:%.*]] = convert_function [[CONVERTED_ELT]]
|
|
// CHECK-NEXT: store [[CONVERTED_ELT_2]] to [init] [[DEST_ELT_ADDR]] :
|
|
// CHECK-NEXT: [[NEXT_IDX:%.*]] = builtin "add_Word"([[IDX]] : $Builtin.Word, [[ONE]] : $Builtin.Word) : $Builtin.Word
|
|
// CHECK-NEXT: br bb4([[NEXT_IDX]] : $Builtin.Word)
|
|
// CHECK: bb6:
|
|
// - Load the last direct component.
|
|
// CHECK-NEXT: [[INT:%.*]] = load [trivial] [[INT_TEMP]] : $*Int
|
|
// Tuple up the direct components.
|
|
// CHECK-NEXT: [[TUPLE:%.*]] = tuple ([[STRING]] : $String, [[INT]] : $Int)
|
|
// CHECK-NEXT: dealloc_stack [[INT_TEMP]] :
|
|
// CHECK-NEXT: dealloc_stack [[EXPANSION_TEMP]] :
|
|
// CHECK-NEXT: dealloc_stack [[STRING_TEMP]] :
|
|
// CHECK-NEXT: dealloc_pack [[PACK]] :
|
|
// CHECK-NEXT: return [[TUPLE]]
|