[llvm-dev] FileCheck

Sjoerd Meijer via llvm-dev llvm-dev at lists.llvm.org
Thu Jun 18 09:15:49 PDT 2020


I am not sold on FileCheck's new behaviour. For failing tests in verbose mode, it first dump the actual error messages, followed by the annotated input file to FileCheck. The result is I can't immediately see error messages if the input is more than just a few lines long, so I have to scroll all the way up to see the errors, then down again, etc.

I do see some advantages of dumping the input to FileCheck, but an improvement for me would be:

  *   to dump the input first, then followed by the error message, so that I can the errors first, and then decide to scroll up if I am interested to do so.
  *   dump it to a separate file (controlled with an option).

I am interested in changing the behaviour, because I think I find setting environment varibale "FILECHECK_OPTS="--dump-input never"" inconvenient.

My 2 pennies.
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