25 lines
518 B
Rust
25 lines
518 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"]
|
|
|
|
pub enum Bar {
|
|
A = 1,
|
|
B = 3,
|
|
}
|
|
|
|
// CHECK-LABEL: @lookup_inc
|
|
#[no_mangle]
|
|
pub fn lookup_inc(buf: &[u8; 5], f: Bar) -> u8 {
|
|
// CHECK-NOT: panic_bounds_check
|
|
buf[f as usize + 1]
|
|
}
|
|
|
|
// CHECK-LABEL: @lookup_dec
|
|
#[no_mangle]
|
|
pub fn lookup_dec(buf: &[u8; 5], f: Bar) -> u8 {
|
|
// CHECK-NOT: panic_bounds_check
|
|
buf[f as usize - 1]
|
|
}
|