|  Eli Friedman | e06535b2f6 | In InstCombiner::visitOr, make sure we reverse the operand swap used for checking for or-of-xor operations after those checks; a later check expects that any constant will be in Op1.  PR12234. llvm-svn: 152884 | 2012-03-16 00:52:42 +00:00 |