| //! Check that types of up to 128 bits are passed and returned by-value instead of via pointer. |
| |
| // compile-flags: -C no-prepopulate-passes -O |
| // only-x86_64 |
| |
| #![crate_type = "lib"] |
| |
| pub struct S { |
| a: u64, |
| b: u32, |
| c: u32, |
| } |
| |
| // CHECK: define i128 @modify(i128{{( %0)?}}) |
| #[no_mangle] |
| pub fn modify(s: S) -> S { |
| S { a: s.a + s.a, b: s.b + s.b, c: s.c + s.c } |
| } |
| |
| #[repr(packed)] |
| pub struct TooBig { |
| a: u64, |
| b: u32, |
| c: u32, |
| d: u8, |
| } |
| |
| // CHECK: define void @m_big(%TooBig* [[ATTRS:.*sret.*]], %TooBig* [[ATTRS2:.*]] %s) |
| #[no_mangle] |
| pub fn m_big(s: TooBig) -> TooBig { |
| TooBig { a: s.a + s.a, b: s.b + s.b, c: s.c + s.c, d: s.d + s.d } |
| } |
