36 lines
1.2 KiB
C++
36 lines
1.2 KiB
C++
// RUN: %clang_cc1 -triple i386-pc-win32 -emit-llvm %s -o - | FileCheck %s
|
|
|
|
// PR15768
|
|
|
|
// A trivial 12 byte struct is returned indirectly.
|
|
struct S {
|
|
S();
|
|
int a, b, c;
|
|
};
|
|
|
|
struct C {
|
|
S variadic_sret(const char *f, ...);
|
|
S __cdecl cdecl_sret();
|
|
S __cdecl byval_and_sret(S a);
|
|
int c;
|
|
};
|
|
|
|
S C::variadic_sret(const char *f, ...) { return S(); }
|
|
S C::cdecl_sret() { return S(); }
|
|
S C::byval_and_sret(S a) { return S(); }
|
|
|
|
// CHECK: define x86_cdeclmethodcc void @"\01?variadic_sret@C@@QAA?AUS@@PBDZZ"(%struct.S* noalias sret %agg.result, %struct.C* %this, i8* %f, ...)
|
|
// CHECK: define x86_cdeclmethodcc void @"\01?cdecl_sret@C@@QAA?AUS@@XZ"(%struct.S* noalias sret %agg.result, %struct.C* %this)
|
|
// CHECK: define x86_cdeclmethodcc void @"\01?byval_and_sret@C@@QAA?AUS@@U2@@Z"(%struct.S* noalias sret %agg.result, %struct.C* %this, %struct.S* byval align 4 %a)
|
|
|
|
int main() {
|
|
C c;
|
|
c.variadic_sret("asdf");
|
|
c.cdecl_sret();
|
|
c.byval_and_sret(S());
|
|
}
|
|
// CHECK-LABEL: define i32 @main()
|
|
// CHECK: call x86_cdeclmethodcc void {{.*}} @"\01?variadic_sret@C@@QAA?AUS@@PBDZZ"
|
|
// CHECK: call x86_cdeclmethodcc void @"\01?cdecl_sret@C@@QAA?AUS@@XZ"
|
|
// CHECK: call x86_cdeclmethodcc void @"\01?byval_and_sret@C@@QAA?AUS@@U2@@Z"
|