| protocol P1 { |
| associatedtype A: P1 |
| } |
| |
| protocol P2: P1 where A: P2 { |
| associatedtype B |
| } |
| |
| struct Wrapper<T: P1>: P1 { |
| typealias A = Wrapper<T> |
| } |
| |
| extension Wrapper: P2 where T: P2 { |
| typealias B = T.A |
| } |
| |
| protocol P3: P2 where A: P3 { } |
| |
| extension Wrapper: P3 where T: P3 { } |
| |
| // instantiation function for Wrapper<T>: P3 |
| // CHECK-LABEL: define internal void @_T033conditional_conformance_recursive7WrapperVyxGAA2P3A2aERzrlWI |
| // CHECK-NOT: ret |
| // CHECK: call i8** @_T033conditional_conformance_recursive7WrapperVyxGAA2P2A2aERzrlWa |
| |
| // associated type metadata accessor for B in Wrapper<T>: P2 |
| // CHECK-LABEL: define internal %swift.type* @_T033conditional_conformance_recursive7WrapperVyxGAA2P2A2aERzrl1BWt |
| // CHECK: [[T_TO_P2_PTR:%.*]] = getelementptr inbounds i8*, i8** [[WRAPPER_T_TO_P2:%.*]], i32 -1 |
| // CHECK: [[T_TO_P2_VAL:%.*]] = load i8*, i8** [[T_TO_P2_PTR]] |
| // CHECK: [[T_TO_P2:%.*]] = bitcast i8* [[T_TO_P2_VAL]] to i8** |
| // CHECK: [[T_TO_P1_VAL:%.*]] = load i8*, i8** [[T_TO_P2]] |
| // CHECK: [[T_TO_P1:%.*]] = bitcast i8* [[T_TO_P1_VAL]] to i8** |
| // CHECK: [[WRAPPER_T_TYPE:%.*]] = bitcast %swift.type* [[WRAPPER_T:%.*]] to %swift.type** |
| // CHECK: [[T_TYPE_PTR:%.*]] = getelementptr inbounds %swift.type*, %swift.type** [[WRAPPER_T_TYPE]], i64 2 |
| // CHECK: [[T_TYPE:%.*]] = load %swift.type*, %swift.type** [[T_TYPE_PTR]] |
| // CHECK: [[T_B_TYPE_ACCESSOR_PTR:%.*]] = load i8*, i8** [[T_TO_P1]], align 8 |
| // CHECK: [[T_B_TYPE_ACCESSOR:%.*]] = bitcast i8* [[T_B_TYPE_ACCESSOR_PTR]] to %swift.type* (%swift.type*, i8**)* |
| // CHECK: [[T_A_TYPE:%.*]] = call %swift.type* [[T_B_TYPE_ACCESSOR]](%swift.type* [[T_TYPE]], i8** [[T_TO_P1]]) |
| // CHECK: ret %swift.type* [[T_A_TYPE]] |
| |
| // associated type witness table accessor for A : P2 in Wrapper<T>: P2 |
| // CHECK-LABEL: define internal i8** @_T033conditional_conformance_recursive7WrapperVyxGAA2P2A2aERzrl1A_AaEPWT |
| // CHECK: [[CONDITIONAL_REQ_BUFFER:%.*]] = alloca [1 x i8**] |
| // CHECK: [[FIRST_REQ:%.*]] = getelementptr inbounds [1 x i8**], [1 x i8**]* [[CONDITIONAL_REQ_BUFFER]] |
| // CHECK: call i8** @_T033conditional_conformance_recursive7WrapperVyxGAA2P2A2aERzrlWa(%swift.type* [[WRAPPER_TO_A:%.*]], i8*** [[FIRST_REQ]], i64 1) |
