[llvm] [SLP]Initial FMAD support (PR #149102)

[Simon Pilgrim via llvm-commits]

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@@ -73,6 +73,7 @@ Changes to Vectorizers
 
 * Added initial support for copyable elements in SLP, which models copyable
   elements as add <element>, 0, i.e. uses identity constants for missing lanes.
+* SLP vectorizer supports initial recognition of FMA pattern
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RKSimon wrote:

FMA/FMAD patterns

https://github.com/llvm/llvm-project/pull/149102