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913733f508
Arguments that were already pack expansions were being wrapped in a second layer--preventing some would-be unambiguous overloads from resolving. This adds a check to avoid doing that.
98 lines
6.5 KiB
Swift
98 lines
6.5 KiB
Swift
// RUN: %target-swift-emit-silgen %s -verify -swift-version 5 -disable-availability-checking | %FileCheck %s
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// CHECK-LABEL: sil hidden [ossa] @$s33variadic_generic_overload_ranking05test_d15_concrete_over_A0yyF
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func test_ranking_concrete_over_variadic() {
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func test() {}
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func test<T>(_: T) {}
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func test<each T>(_: repeat each T) {}
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// CHECK: // function_ref test #1 () in test_ranking_concrete_over_variadic()
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// CHECK-NEXT: {{.*}} = function_ref @$s33variadic_generic_overload_ranking05test_d15_concrete_over_A0yyF0E0L_yyF : $@convention(thin) () -> ()
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test()
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// CHECK: // function_ref test #2 <A>(_:) in test_ranking_concrete_over_variadic()
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// CHECK-NEXT: {{.*}} = function_ref @$s33variadic_generic_overload_ranking05test_d15_concrete_over_A0yyF0E0L0_yyxlF : $@convention(thin) <τ_0_0> (@in_guaranteed τ_0_0) -> ()
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test(1)
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// CHECK: // function_ref test #3 <each A>(_:) in test_ranking_concrete_over_variadic()
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// CHECK-NEXT: {{.*}} = function_ref @$s33variadic_generic_overload_ranking05test_d15_concrete_over_A0yyF0E0L1_yyxxQpRvzlF : $@convention(thin) <each τ_0_0> (@pack_guaranteed Pack{repeat each τ_0_0}) -> ()
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test(1, "")
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}
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// CHECK-LABEL: sil hidden [ossa] @$s33variadic_generic_overload_ranking05test_d1_A31_over_concrete_with_conversionsyyF
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func test_ranking_variadic_over_concrete_with_conversions() {
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func test<T>(_: T, _: Any) {}
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func test<each T>(_: repeat each T) {}
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// CHECK: // function_ref test #2 <each A>(_:) in test_ranking_variadic_over_concrete_with_conversions()
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// CHECK-LABEL: {{.*}} = function_ref @$s33variadic_generic_overload_ranking05test_d1_A31_over_concrete_with_conversionsyyF0E0L0_yyxxQpRvzlF : $@convention(thin) <each τ_0_0> (@pack_guaranteed Pack{repeat each τ_0_0}) -> ()
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test(1, "")
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func test_disfavored<T>(_: T, _: Any) {}
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@_disfavoredOverload
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func test_disfavored<each T>(_: repeat each T) {}
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// CHECK: // function_ref test_disfavored #1 <A>(_:_:) in test_ranking_variadic_over_concrete_with_conversions()
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// CHECK-NEXT: {{.*}} = function_ref @$s33variadic_generic_overload_ranking05test_d1_A31_over_concrete_with_conversionsyyF0E11_disfavoredL_yyx_yptlF : $@convention(thin) <τ_0_0> (@in_guaranteed τ_0_0, @in_guaranteed Any) -> ()
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test_disfavored(2, "a")
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}
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// CHECK-LABEL: sil hidden [ossa] @$s33variadic_generic_overload_ranking05test_d1_a1_B13_over_regularyyF : $@convention(thin) () -> ()
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func test_ranking_variadic_generic_over_regular() {
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func test1<T>(_: T...) {}
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func test1<each T>(_: repeat each T) {}
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// CHECK: // function_ref test1 #2 <each A>(_:) in test_ranking_variadic_generic_over_regular()
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// CHECK-NEXT: {{.*}} = function_ref @$s33variadic_generic_overload_ranking05test_d1_a1_B13_over_regularyyF5test1L0_yyxxQpRvzlF : $@convention(thin) <each τ_0_0> (@pack_guaranteed Pack{repeat each τ_0_0}) -> ()
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test1(1, "a")
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}
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protocol P {
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}
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// CHECK-LABEL: sil hidden [ossa] @$s33variadic_generic_overload_ranking05test_D25_with_multiple_expansionsyyF
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func test_ranking_with_multiple_expansions() {
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struct Empty : P {}
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struct Tuple<T> : P {
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init(_: T) {}
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}
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struct Builder {
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static func build() -> Empty { Empty() }
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static func build<T: P>(_ a: T) -> T { a }
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static func build<T: P>(_ a: T, _ b: T) -> Tuple<(T, T)> { Tuple((a, b)) }
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static func build<each T: P>(_ v: repeat each T) -> Tuple<(repeat each T)> { Tuple((repeat each v)) }
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static func otherBuild<T: P, U: P>(a: T, b: U) {}
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static func otherBuild<each T: P, each U: P>(a: repeat each T, b: repeat each U) {}
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}
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// CHECK: // function_ref static otherBuild<A, B>(a:b:) in Builder #1 in test_ranking_with_multiple_expansions()
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// CHECK-NEXT: {{.*}} = function_ref @$s33variadic_generic_overload_ranking05test_D25_with_multiple_expansionsyyF7BuilderL_V10otherBuild1a1byx_q_tAA1PRzAaHR_r0_lFZ : $@convention(method) <τ_0_0, τ_0_1 where τ_0_0 : P, τ_0_1 : P> (@in_guaranteed τ_0_0, @in_guaranteed τ_0_1, @thin Builder.Type) -> ()
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Builder.otherBuild(a: Empty(), b: Empty())
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// CHECK: // function_ref static otherBuild<A, B>(a:b:) in Builder #1 in test_ranking_with_multiple_expansions()
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// CHECK-NEXT: {{.*}} = function_ref @$s33variadic_generic_overload_ranking05test_D25_with_multiple_expansionsyyF7BuilderL_V10otherBuild1a1byx_q_tAA1PRzAaHR_r0_lFZ : $@convention(method) <τ_0_0, τ_0_1 where τ_0_0 : P, τ_0_1 : P> (@in_guaranteed τ_0_0, @in_guaranteed τ_0_1, @thin Builder.Type) -> ()
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Builder.otherBuild(a: Empty(), b: Tuple<Int>(42))
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// CHECK: // function_ref static build() in Builder #1 in test_ranking_with_multiple_expansions()
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// CHECK-NEXT: {{.*}} = function_ref @$s33variadic_generic_overload_ranking05test_D25_with_multiple_expansionsyyF7BuilderL_V5buildAaByyF5EmptyL_VyFZ : $@convention(method) (@thin Builder.Type) -> Empty
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_ = Builder.build()
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// CHECK: // function_ref static build<A>(_:) in Builder #1 in test_ranking_with_multiple_expansions()
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// CHECK-NEXT: {{.*}} = function_ref @$s33variadic_generic_overload_ranking05test_D25_with_multiple_expansionsyyF7BuilderL_V5buildyxxAA1PRzlFZ : $@convention(method) <τ_0_0 where τ_0_0 : P> (@in_guaranteed τ_0_0, @thin Builder.Type) -> @out τ_0_0
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_ = Builder.build(Empty())
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// CHECK: // function_ref static build<A>(_:_:) in Builder #1 in test_ranking_with_multiple_expansions()
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// CHECK-NEXT: {{.*}} = function_ref @$s33variadic_generic_overload_ranking05test_D25_with_multiple_expansionsyyF7BuilderL_V5buildyAaByyF5TupleL_Vyx_xtGx_xtAA1PRzlFZ : $@convention(method) <τ_0_0 where τ_0_0 : P> (@in_guaranteed τ_0_0, @in_guaranteed τ_0_0, @thin Builder.Type) -> Tuple<(τ_0_0, τ_0_0)>
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_ = Builder.build(Empty(), Empty())
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// CHECK: // function_ref static build<each A>(_:) in Builder #1 in test_ranking_with_multiple_expansions()
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// CHECK-NEXT: {{.*}} = function_ref @$s33variadic_generic_overload_ranking05test_D25_with_multiple_expansionsyyF7BuilderL_V5buildyAaByyF5TupleL_VyxxQp_tGxxQpRvzAA1PRzlFZ : $@convention(method) <each τ_0_0 where repeat each τ_0_0 : P> (@pack_guaranteed Pack{repeat each τ_0_0}, @thin Builder.Type) -> Tuple<(repeat each τ_0_0)>
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_ = Builder.build(Empty(), Tuple<(Int, String)>((42, "")))
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}
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protocol Q: P {}
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func test_ranking_with_protocol_refinement() {
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func f<each T: Q>(_ a: repeat each T) {}
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func f<each T: P>(_ a: repeat each T) {}
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struct S: Q {}
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// CHECK: // function_ref f #1 <each A>(_:) in test_ranking_with_protocol_refinement()
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// CHECK-NEXT: {{.*}} = function_ref @$s33variadic_generic_overload_ranking05test_D25_with_protocol_refinementyyF1fL_yyxxQpRvzAA1QRzlF : $@convention(thin) <each τ_0_0 where repeat each τ_0_0 : Q> (@pack_guaranteed Pack{repeat each τ_0_0}) -> ()
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f(S())
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}
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