diff options
| -rw-r--r-- | src/tools/miropt-test-tools/src/lib.rs | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/src/tools/miropt-test-tools/src/lib.rs b/src/tools/miropt-test-tools/src/lib.rs index cae96f59319..7d60033c3e8 100644 --- a/src/tools/miropt-test-tools/src/lib.rs +++ b/src/tools/miropt-test-tools/src/lib.rs @@ -98,11 +98,12 @@ pub fn files_for_miropt_test( from_file = format!("{}.{}.mir", test_name, first_pass); to_file = Some(second_file); } else { - let ext_re = regex::Regex::new(r#"(\.(mir|dot|html))$"#).unwrap(); - let cap = ext_re - .captures_iter(test_name) - .next() - .expect("test_name has an invalid extension"); + // Allow-list for file extensions that can be produced by MIR dumps. + // Other extensions can be added here, as needed by new dump flags. + let ext_re = regex::Regex::new(r#"(\.(mir|dot))$"#).unwrap(); + let cap = ext_re.captures_iter(test_name).next().unwrap_or_else(|| { + panic!("in {testfile:?}:\nEMIT_MIR has an unrecognized extension: {test_name}") + }); let extension = cap.get(1).unwrap().as_str(); expected_file = |