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.
BaseBase17 Base(const S1&, const S2&, const char *fmt, ...) {}
18 };
19
20 struct NonTrivialDtor {
~NonTrivialDtorNonTrivialDtor21 ~NonTrivialDtor() {}
22 };
23 struct Inheritor : public NonTrivialDtor, public Base {
24 using Base::Base;
25 };
26
f()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* nonnull align 1 dereferenceable(1) %[[TMP1]], %struct.S2* 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* nonnull align 1 dereferenceable(1) %[[TMP1]], %struct.S2* 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