Revert "Support arbitrary addrspace pointers in masked load/store intrinsics"

This commit broke LTO builds. Reverting it to unbreak the bots while the
issue is investigated. See also:

http://lists.llvm.org/pipermail/llvm-commits/Week-of-Mon-20160321/341002.html

This reverts r263158

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@264088 91177308-0d34-0410-b5e6-96231b3b80d8
12 files changed