[PATCH] D44240: utils: add a helper class to lit for captured substitutions

[Reid Kleckner via Phabricator via llvm-commits]

rnk accepted this revision.
rnk added a comment.
This revision is now accepted and ready to land.

lgtm



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Comment at: utils/lit/lit/TestingConfig.py:157
+    Helper class to indicate that the substitutions contains backreferences.
+    '''
+    def __init__(self, substitution):
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Since there is no user of this in LLVM, can you put some example usage code in the docstring? In lit.cfg, use this code to create substitutions with regex backreferences:
  config.substutions.append(('\b[^ ]*.cpp', SubstituteCaptures('\0.txt')))


Repository:
  rL LLVM

https://reviews.llvm.org/D44240