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487cf647 FG |
1 | // compile-flags: -C no-prepopulate-passes -Copt-level=0 |
2 | ||
3 | #![crate_type = "lib"] | |
4 | ||
5 | #[repr(u16)] | |
6 | pub enum E2 { | |
7 | A = 13, | |
8 | B = 42, | |
9 | } | |
10 | ||
11 | // For unoptimized code we produce a `br` instead of a `switch`. Compare with | |
12 | // `src/test/codegen/match-optimized.rs` | |
13 | ||
14 | // CHECK-LABEL: @exhaustive_match_2 | |
15 | #[no_mangle] | |
16 | pub fn exhaustive_match_2(e: E2) -> u8 { | |
17 | // CHECK: %[[CMP:.+]] = icmp eq i16 %{{.+}}, 13 | |
18 | // CHECK-NEXT: br i1 %[[CMP:.+]], | |
19 | match e { | |
20 | E2::A => 0, | |
21 | E2::B => 1, | |
22 | } | |
23 | } |