1 // RUN: %clang_cc1 -triple x86_64-darwin -std=c++11 -emit-llvm -o - %s | FileCheck %s 2 // RUN: %clang_cc1 -triple x86_64-darwin -std=c++11 -fcxx-exceptions -fexceptions -emit-llvm -o - %s | FileCheck %s --check-prefix=EXCEPTIONS 3 4 // PR36748 5 // rdar://problem/45805151 6 7 // Classes to verify order of destroying function parameters. 8 struct S1 { 9 ~S1(); 10 }; 11 struct S2 { 12 ~S2(); 13 }; 14 15 struct Base { 16 // Use variadic args to cause inlining the inherited constructor. 17 Base(const S1&, const S2&, const char *fmt, ...) {} 18 }; 19 20 struct NonTrivialDtor { 21 ~NonTrivialDtor() {} 22 }; 23 struct Inheritor : public NonTrivialDtor, public Base { 24 using Base::Base; 25 }; 26 27 void f() { 28 Inheritor(S1(), S2(), "foo"); 29 // CHECK-LABEL: define{{.*}} void @_Z1fv 30 // CHECK: %[[TMP1:.*]] = alloca %struct.S1 31 // CHECK: %[[TMP2:.*]] = alloca %struct.S2 32 // CHECK: call void (%struct.Base*, %struct.S1*, %struct.S2*, i8*, ...) @_ZN4BaseC2ERK2S1RK2S2PKcz(%struct.Base* {{.*}}, %struct.S1* noundef nonnull align 1 dereferenceable(1) %[[TMP1]], %struct.S2* noundef nonnull align 1 dereferenceable(1) %[[TMP2]], i8* {{.*}}) 33 // CHECK-NEXT: call void @_ZN9InheritorD1Ev(%struct.Inheritor* {{.*}}) 34 // CHECK-NEXT: call void @_ZN2S2D1Ev(%struct.S2* {{[^,]*}} %[[TMP2]]) 35 // CHECK-NEXT: call void @_ZN2S1D1Ev(%struct.S1* {{[^,]*}} %[[TMP1]]) 36 37 // EXCEPTIONS-LABEL: define{{.*}} void @_Z1fv 38 // EXCEPTIONS: %[[TMP1:.*]] = alloca %struct.S1 39 // EXCEPTIONS: %[[TMP2:.*]] = alloca %struct.S2 40 // EXCEPTIONS: invoke void (%struct.Base*, %struct.S1*, %struct.S2*, i8*, ...) @_ZN4BaseC2ERK2S1RK2S2PKcz(%struct.Base* {{.*}}, %struct.S1* noundef nonnull align 1 dereferenceable(1) %[[TMP1]], %struct.S2* noundef nonnull align 1 dereferenceable(1) %[[TMP2]], i8* {{.*}}) 41 // EXCEPTIONS-NEXT: to label %[[CONT:.*]] unwind label %[[LPAD:.*]] 42 43 // EXCEPTIONS: [[CONT]]: 44 // EXCEPTIONS-NEXT: call void @_ZN9InheritorD1Ev(%struct.Inheritor* {{.*}}) 45 // EXCEPTIONS-NEXT: call void @_ZN2S2D1Ev(%struct.S2* {{[^,]*}} %[[TMP2]]) 46 // EXCEPTIONS-NEXT: call void @_ZN2S1D1Ev(%struct.S1* {{[^,]*}} %[[TMP1]]) 47 48 // EXCEPTIONS: [[LPAD]]: 49 // EXCEPTIONS: call void @_ZN14NonTrivialDtorD2Ev(%struct.NonTrivialDtor* {{.*}}) 50 // EXCEPTIONS-NEXT: call void @_ZN2S2D1Ev(%struct.S2* {{[^,]*}} %[[TMP2]]) 51 // EXCEPTIONS-NEXT: call void @_ZN2S1D1Ev(%struct.S1* {{[^,]*}} %[[TMP1]]) 52 } 53