Matt Arsenault 0d0fce42b0 GlobalISel: Preserve load/store metadata in IRTranslator
This was dropping the invariant metadata on dead argument loads, so
they weren't deleted.

Atomics still need to be fixed the same way. Also, apparently store
was never preserving dereferencable which should also be fixed.
2020-01-16 13:49:43 -05:00
..