Hal Finkel 2c77a625b7 Fix a PPC rlwimi instruction-selection bug
Under certain (evidently rare) circumstances, this code used to convert OR(a,
AND(x, y)) into OR(a, x). This was incorrect.

While there, I've added a comment to the code immediately above.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185201 91177308-0d34-0410-b5e6-96231b3b80d8
2013-06-28 20:00:07 +00:00
..
2013-06-28 05:43:10 +00:00