[llvm] [NVPTX] Add patterns for fma.relu.{f16|bf16} (PR #114977)

[via llvm-commits]

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@@ -3917,3 +3917,40 @@ def atomic_thread_fence_seq_cst_cta :
 def atomic_thread_fence_acq_rel_cta :
   NVPTXInst<(outs), (ins), "fence.acq_rel.cta;", []>,
   Requires<[hasPTX<60>, hasSM<70>]>;
+
+def fpimm0 : FPImmLeaf<fAny, [{
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ldrumm wrote:

It's not clear from the name that this is strictly *positive* zero. Maybe `def positive_zero_fp` or a better equivalent if you can

https://github.com/llvm/llvm-project/pull/114977