f193bcc701
This reverts the following commits: 37ca7a795b277c20c02a218bf44052278c03344b 9aa6c72b92b6c89cc6d23b693257df9af7de2d15 705387c5074bcca36d626882462ebbc2bcc3bed4 8ca4b3ef19fe82d7ad6a6e1515317dcc01b41515 80dba72a669b5416e97a42fd2c2a7bc5a6d3f44a
28 lines
695 B
C++
28 lines
695 B
C++
// 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({ i32, i32 }) align 4 %agg.result, %struct.C* %this)
|
|
// CHECK: tail call void @_ZN1C1fEv({ i32, i32 }* sret({ i32, i32 }) align 4 %agg.result
|