| // Tests that `matches!` optimizes the same as |
| // `f == FrameType::Inter || f == FrameType::Switch`. |
| |
| //@ compile-flags: -Copt-level=3 |
| //@ min-llvm-version: 21 |
| |
| #![crate_type = "lib"] |
| |
| #[derive(Clone, Copy, PartialEq, Eq)] |
| pub enum FrameType { |
| Key = 0, |
| Inter = 1, |
| Intra = 2, |
| Switch = 3, |
| } |
| |
| // CHECK-LABEL: @is_inter_or_switch |
| #[no_mangle] |
| pub fn is_inter_or_switch(f: FrameType) -> bool { |
| // CHECK-NEXT: start: |
| // CHECK-NEXT: and i8 |
| // CHECK-NEXT: icmp |
| // CHECK-NEXT: ret |
| matches!(f, FrameType::Inter | FrameType::Switch) |
| } |
