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| -rw-r--r-- | docs/TestingGuide.rst | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/docs/TestingGuide.rst b/docs/TestingGuide.rst index 4d8c8ce..1fddaa3 100644 --- a/docs/TestingGuide.rst +++ b/docs/TestingGuide.rst @@ -224,16 +224,7 @@ Below is an example of legal RUN lines in a ``.ll`` file: ; RUN: diff %t1 %t2 As with a Unix shell, the RUN lines permit pipelines and I/O -redirection to be used. However, the usage is slightly different than -for Bash. In general, it's useful to read the code of other tests to figure out -what you can use in yours. The major differences are: - -- You can't do ``2>&1``. That will cause :program:`lit` to write to a file - named ``&1``. Usually this is done to get stderr to go through a pipe. You - can do that with ``|&`` so replace this idiom: - ``... 2>&1 | FileCheck`` with ``... |& FileCheck`` -- You can only redirect to a file, not to another descriptor and not - from a here document. +redirection to be used. There are some quoting rules that you must pay attention to when writing your RUN lines. In general nothing needs to be quoted. :program:`lit` won't |