rust/tests/codegen/enum/enum-bounds-check.rs
2023-07-29 18:34:41 -07:00

27 lines
417 B
Rust

// compile-flags: -O
#![crate_type = "lib"]
pub enum Foo {
A, B
}
// CHECK-LABEL: @lookup
#[no_mangle]
pub fn lookup(buf: &[u8; 2], f: Foo) -> u8 {
// CHECK-NOT: panic_bounds_check
buf[f as usize]
}
pub enum Bar {
A = 2,
B = 3
}
// CHECK-LABEL: @lookup_unmodified
#[no_mangle]
pub fn lookup_unmodified(buf: &[u8; 5], f: Bar) -> u8 {
// CHECK-NOT: panic_bounds_check
buf[f as usize]
}