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Author SHA1 Message Date
Jonas Paulsson
8b8e1adbde
[SystemZ] Don't lower ATOMIC_LOAD/STORE to LOAD/STORE (#75879) 
- Instead of lowering float/double ISD::ATOMIC_LOAD / ISD::ATOMIC_STORE
nodes to regular LOAD/STORE nodes, make them legal and select those nodes
properly instead. This avoids exposing them to the DAGCombiner.

- AtomicExpand pass no longer casts float/double atomic load/stores to integer
  (FP128 is still casted).
 2024-03-18 17:21:50 -04:00