[llvm] [AArch64] Add bfloat patterns for `partial_reduce_fmla` (PR #181982)

[Benjamin Maxwell via llvm-commits]

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@@ -1507,6 +1507,10 @@ AArch64TargetLowering::AArch64TargetLowering(const TargetMachine &TM,
       }
     }
 
+    if (Subtarget->hasBF16())
+      setPartialReduceMLAAction(ISD::PARTIAL_REDUCE_FMLA, MVT::v4f32,
+                                MVT::v8bf16, Legal);
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MacDue wrote:

Done :+1: 

https://github.com/llvm/llvm-project/pull/181982