Matthew Simpson 973e079b66 Revert "Reapply commit r258404 with fix"
This commit exposes a crash in computeKnownBits on the Chromium buildbots.
Reverting to investigate.

Reference: https://llvm.org/bugs/show_bug.cgi?id=26307
llvm-svn: 258812
2016-01-26 15:45:49 +00:00
..