Johannes Doerfert b1c788d051 [Attributor][FIX] Prevent alignment breakage wrt. must-tail calls ...

If we have a must-tail call the callee and caller need to have matching
ABIs. Part of that is alignment which we might modify when we deduce
alignment of arguments of either. Since we would need to keep them in
sync, which is not as simple, we simply avoid deducing alignment for
arguments of the must-tail caller or callee.

Reviewed By: rnk

Differential Revision: https://reviews.llvm.org/D76673

2020-04-01 21:40:07 -05:00

213 KiB

Raw Blame History

View Raw