| //@ compile-flags: -O | |
| //@ min-llvm-version: 19 | |
| // Test for #107681. | |
| // Make sure we don't create `br` or `select` instructions. | |
| #![crate_type = "lib"] | |
| use std::iter::Copied; | |
| use std::slice::Iter; | |
| #[no_mangle] | |
| pub unsafe fn foo(x: &mut Copied<Iter<'_, u32>>) -> u32 { | |
| // CHECK-LABEL: @foo( | |
| // CHECK-NOT: br | |
| // CHECK-NOT: select | |
| // CHECK: [[RET:%.*]] = load i32, ptr | |
| // CHECK-NEXT: ret i32 [[RET]] | |
| x.next().unwrap_unchecked() | |
| } |