[llvm] [SystemZ] Don't lower float/double ATOMIC_[LOAD|STORE] to [LOAD|STORE] (PR #75879)

[Jonas Paulsson via llvm-commits]

JonPsson1 wrote:

Removed check for extending atomic fp load nodes.

> Given that this patch adds extending atomic loads as a common-code feature, shouldn't now also common code attempt to match them in DAGCombine? Why does this need to be platform-specific? But I guess this can be looked at in a separate patch.

ok, will do a follow-up on moving that into common-code.


https://github.com/llvm/llvm-project/pull/75879