1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
// RUN: %clang_cc1 -triple=i686 -emit-llvm -o - %s | FileCheck %s
struct X;
typedef void (X::*memptr)();
struct A {
virtual memptr f();
};
struct B {
virtual memptr f();
};
struct C : A, B {
C();
memptr f() override __attribute__((noinline)) { return nullptr; };
};
C::C() {}
// Make sure the member pointer is returned from the thunk via the return slot.
// Because of the tail call, the return value cannot be copied into a local
// alloca. (PR39901)
// CHECK-LABEL: define linkonce_odr void @_ZThn4_N1C1fEv({ i32, i32 }* noalias sret %agg.result, %struct.C* %this)
// CHECK: tail call void @_ZN1C1fEv({ i32, i32 }* sret %agg.result
|
