Revert "[CGP] Enable select in complex addr mode"

Causes: Assertion `ScaledReg == nullptr' failed.

This actually a revert of rL320551.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320553 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed