mirror of
https://github.com/rust-lang/rust.git
synced 2025-10-30 20:44:34 +00:00
19 lines
409 B
Rust
19 lines
409 B
Rust
// This test checks an optimization that is not guaranteed to work. This test case should not block
|
|
// a future LLVM update.
|
|
// compile-flags: -O
|
|
|
|
#![crate_type = "lib"]
|
|
|
|
#[repr(u8)]
|
|
pub enum Exception {
|
|
Low = 5,
|
|
High = 10,
|
|
}
|
|
|
|
// CHECK-LABEL: @access
|
|
#[no_mangle]
|
|
pub fn access(array: &[usize; 12], exc: Exception) -> usize {
|
|
// CHECK-NOT: panic_bounds_check
|
|
array[(exc as u8 - 4) as usize]
|
|
}
|