| // compile-flags: -O |
| // min-llvm-version: 17 |
| // 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), |
| } |
| } |
