Revert "Reapply "[PR16756] Use SSAUpdaterBulk in JumpThreading." again."

This reverts r330175. There are still stage3/stage4 miscompares.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@330180 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed