1 files changed, 0 insertions, 42 deletions
diff --git a/utils/lit/lit/llvm/__init__.py b/utils/lit/lit/llvm/__init__.py
index 4a9249978dd..7a46daf2471 100644
--- a/utils/lit/lit/llvm/__init__.py
+++ b/utils/lit/lit/llvm/__init__.py
@@ -1,51 +1,9 @@
 from lit.llvm import config
-import lit.util
-import re
 
 llvm_config = None
 
-class ToolFilter(object):
-    """
-        String-like class used to build regex substitution patterns for
-        llvm tools.  Handles things like adding word-boundary patterns,
-        and filtering characters from the beginning an end of a tool name
-    """
-
-    def __init__(self, name, pre=None, post=None, verbatim=False):
-        """
-            Construct a ToolFilter.
-
-            name: the literal name of the substitution to look for.
-
-            pre: If specified, the substitution will not find matches where
-            the character immediately preceding the word-boundary that begins
-            `name` is any of the characters in the string `pre`.
-
-            post: If specified, the substitution will not find matches where
-            the character immediately after the word-boundary that ends `name`
-            is any of the characters specified in the string `post`.
-
-            verbatim: If True, `name` is an exact regex that is passed to the
-            underlying substitution
-        """
-        if verbatim:
-            self.regex = name
-            return
-
-        def not_in(chars, where=''):
-            if not chars:
-                return ''
-            pattern_str = '|'.join(re.escape(x) for x in chars)
-            return r'(?{}!({}))'.format(where, pattern_str)
-
-        self.regex = not_in(pre, '<') + r'\b' + name + r'\b' + not_in(post)
-
-    def __str__(self):
-        return self.regex
-
 
 def initialize(lit_config, test_config):
     global llvm_config
 
     llvm_config = config.LLVMConfig(lit_config, test_config)
-