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Diffstat (limited to 'llvm/docs/TestingGuide.rst')
| -rw-r--r-- | llvm/docs/TestingGuide.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/docs/TestingGuide.rst b/llvm/docs/TestingGuide.rst index f147a9fbd7a..7216c7c838e 100644 --- a/llvm/docs/TestingGuide.rst +++ b/llvm/docs/TestingGuide.rst @@ -549,6 +549,13 @@ RUN lines: ``i686-pc-mingw32``. This allows a test to run with a specific ABI without constraining it to a specific triple. +**FileCheck-specific substitutions:** + +``%ProtectFileCheckOutput`` + This should precede a ``FileCheck`` call if and only if the call's textual + output affects test results. It's usually easy to tell: just look for + redirection or piping of the ``FileCheck`` call's stdout or stderr. + To add more substituations, look at ``test/lit.cfg`` or ``lit.local.cfg``. |
