David Majnemer b9bd76d554 [ConstantFolding] Fold bitcasts of vectors w/ undef elements
An undef vector element can be treated as if it had any value.  Folding
such a vector element to 0 in a bitcast can open up further folding
opportunities.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@277104 91177308-0d34-0410-b5e6-96231b3b80d8
2016-07-29 04:06:09 +00:00
..
2016-07-04 08:01:29 +00:00