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// RUN: %clang_cc1 -triple x86_64-darwin -std=c++11 -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -triple x86_64-darwin -std=c++11 -fcxx-exceptions -fexceptions -emit-llvm -o - %s | FileCheck %s --check-prefix=EXCEPTIONS
// PR36748
// rdar://problem/45805151
// Classes to verify order of destroying function parameters.
struct S1 {
~S1();
};
struct S2 {
~S2();
};
struct Base {
// Use variadic args to cause inlining the inherited constructor.
Base(const S1&, const S2&, const char *fmt, ...) {}
};
struct NonTrivialDtor {
~NonTrivialDtor() {}
};
struct Inheritor : public NonTrivialDtor, public Base {
using Base::Base;
};
void f() {
Inheritor(S1(), S2(), "foo");
// CHECK-LABEL: define{{.*}} void @_Z1fv
// CHECK: %[[TMP1:.*]] = alloca %struct.S1
// CHECK: %[[TMP2:.*]] = alloca %struct.S2
// 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* {{.*}})
// CHECK-NEXT: call void @_ZN9InheritorD1Ev(%struct.Inheritor* {{.*}})
// CHECK-NEXT: call void @_ZN2S2D1Ev(%struct.S2* {{[^,]*}} %[[TMP2]])
// CHECK-NEXT: call void @_ZN2S1D1Ev(%struct.S1* {{[^,]*}} %[[TMP1]])
// EXCEPTIONS-LABEL: define{{.*}} void @_Z1fv
// EXCEPTIONS: %[[TMP1:.*]] = alloca %struct.S1
// EXCEPTIONS: %[[TMP2:.*]] = alloca %struct.S2
// 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* {{.*}})
// EXCEPTIONS-NEXT: to label %[[CONT:.*]] unwind label %[[LPAD:.*]]
// EXCEPTIONS: [[CONT]]:
// EXCEPTIONS-NEXT: call void @_ZN9InheritorD1Ev(%struct.Inheritor* {{.*}})
// EXCEPTIONS-NEXT: call void @_ZN2S2D1Ev(%struct.S2* {{[^,]*}} %[[TMP2]])
// EXCEPTIONS-NEXT: call void @_ZN2S1D1Ev(%struct.S1* {{[^,]*}} %[[TMP1]])
// EXCEPTIONS: [[LPAD]]:
// EXCEPTIONS: call void @_ZN14NonTrivialDtorD2Ev(%struct.NonTrivialDtor* {{.*}})
// EXCEPTIONS-NEXT: call void @_ZN2S2D1Ev(%struct.S2* {{[^,]*}} %[[TMP2]])
// EXCEPTIONS-NEXT: call void @_ZN2S1D1Ev(%struct.S1* {{[^,]*}} %[[TMP1]])
}
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