[llvm] r264542 - add scrubber for excessive leading whitespace

[Sanjay Patel via llvm-commits]

Author: spatel
Date: Sun Mar 27 15:43:02 2016
New Revision: 264542

URL: http://llvm.org/viewvc/llvm-project?rev=264542&view=rev
Log:
add scrubber for excessive leading whitespace

Modified:
    llvm/trunk/utils/update_test_checks.py

Modified: llvm/trunk/utils/update_test_checks.py
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/update_test_checks.py?rev=264542&r1=264541&r2=264542&view=diff
==============================================================================
--- llvm/trunk/utils/update_test_checks.py (original)
+++ llvm/trunk/utils/update_test_checks.py Sun Mar 27 15:43:02 2016
@@ -19,6 +19,7 @@ import re
 
 # RegEx: this is where the magic happens.
 
+SCRUB_LEADING_WHITESPACE_RE = re.compile(r'^(\s+)')
 SCRUB_WHITESPACE_RE = re.compile(r'(?!^(|  \w))[ \t]+', flags=re.M)
 SCRUB_TRAILING_WHITESPACE_RE = re.compile(r'[ \t]+$', flags=re.M)
 SCRUB_X86_SHUFFLES_RE = (
@@ -321,6 +322,8 @@ def main():
       if is_in_function:
         if should_add_line_to_output(input_line, prefix_set) == True:
           # This input line of the function body will go as-is into the output.
+          # Except make leading whitespace uniform: 2 spaces.
+          input_line = SCRUB_LEADING_WHITESPACE_RE.sub(r'  ', input_line)
           output_lines.append(input_line)
         else:
           continue