[PATCH] D58820: Fix update_mir_test_checks.py to run on python3

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon created this revision.
RKSimon added reviewers: gbedwell, MaskRay, lebedev.ri.
Herald added a reviewer: serge-sans-paille.
Herald added a project: LLVM.

Split off from D58817 <https://reviews.llvm.org/D58817>


Repository:
  rL LLVM

https://reviews.llvm.org/D58820

Files:
  utils/update_mir_test_checks.py


Index: utils/update_mir_test_checks.py
===================================================================
--- utils/update_mir_test_checks.py
+++ utils/update_mir_test_checks.py
@@ -62,6 +62,8 @@
         with open(ir) as ir_file:
             stdout = subprocess.check_output('{} {}'.format(self.bin, args),
                                              shell=True, stdin=ir_file)
+            if sys.version_info[0] > 2:
+              stdout = stdout.decode()
             # Fix line endings to unix CR style.
             stdout = stdout.replace('\r\n', '\n')
         return stdout
@@ -408,7 +410,7 @@
     log('Writing {} lines to {}...'.format(len(output_lines), test), verbose)
 
     with open(test, 'wb') as fd:
-        fd.writelines([l + '\n' for l in output_lines])
+        fd.writelines(['{}\n'.format(l).encode('utf-8') for l in output_lines])
 
 
 def main():


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