| //@ compile-flags: -O | |
| //@ only-x86_64-unknown-linux-gnu | |
| // We want to check that this function does not mis-optimize to loop jumping. | |
| #![crate_type = "lib"] | |
| #[repr(C)] | |
| pub enum Expr { | |
| Sum, | |
| // must have more than usize data | |
| Sub(usize, u8), | |
| } | |
| #[no_mangle] | |
| pub extern "C" fn issue_114312(expr: Expr) { | |
| // CHECK-LABEL: @issue_114312( | |
| // CHECK-NOT: readonly | |
| // CHECK-SAME: byval | |
| // CHECK-NEXT: start: | |
| // CHECK-NEXT: ret void | |
| match expr { | |
| Expr::Sum => {} | |
| Expr::Sub(_, _) => issue_114312(Expr::Sum), | |
| } | |
| } |