Revert r349731 "[CodeGen][ExpandMemcmp] Add an option for allowing overlapping loads."

Forgot to update PowerPC tests for the GEP->bitcast change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@349733 91177308-0d34-0410-b5e6-96231b3b80d8
6 files changed