David Green 0861c87b06 Revert rL357745: [SelectionDAG] Compute known bits of CopyFromReg ...

Certain optimisations from ConstantHoisting and CGP rely on Selection DAG not
seeing through to the constant in other blocks. Revert this patch while we come
up with a better way to handle that.

I will try to follow this up with some better tests.

llvm-svn: 358113

2019-04-10 18:00:41 +00:00

345 KiB

Raw Blame History

View Raw