1 // This test checks an optimization that is not guaranteed to work. This test case should not block 2 // a future LLVM update. 3 // compile-flags: -O 4 5 #![crate_type = "lib"] 6 7 #[repr(u8)] 8 pub enum Exception { 9 Low = 5, 10 High = 10, 11 } 12 13 // CHECK-LABEL: @access 14 #[no_mangle] access(array: &[usize; 12], exc: Exception) -> usize15pub fn access(array: &[usize; 12], exc: Exception) -> usize { 16 // CHECK-NOT: panic_bounds_check 17 array[(exc as u8 - 4) as usize] 18 } 19