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Diffstat (limited to 'tests/mir-opt/matches_u8.rs')
-rw-r--r-- | tests/mir-opt/matches_u8.rs | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tests/mir-opt/matches_u8.rs b/tests/mir-opt/matches_u8.rs new file mode 100644 index 000000000..422c3a95e --- /dev/null +++ b/tests/mir-opt/matches_u8.rs @@ -0,0 +1,34 @@ +// unit-test: MatchBranchSimplification + + +// EMIT_MIR matches_u8.exhaustive_match.MatchBranchSimplification.diff +// EMIT_MIR matches_u8.exhaustive_match_i8.MatchBranchSimplification.diff + +pub enum E { + A, + B, +} + +#[no_mangle] +pub fn exhaustive_match(e: E) -> u8 { + match e { + E::A => 0, + E::B => 1, + } +} + +#[no_mangle] +pub fn exhaustive_match_i8(e: E) -> i8 { + match e { + E::A => 0, + E::B => 1, + } +} + +fn main() { + assert_eq!(exhaustive_match(E::A), 0); + assert_eq!(exhaustive_match(E::B), 1); + + assert_eq!(exhaustive_match_i8(E::A), 0); + assert_eq!(exhaustive_match_i8(E::B), 1); +} |