[llvm] [DAGCombine] Add DAG optimisation for BF16_TO_FP (PR #69426)

[Craig Topper via llvm-commits]

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@@ -26137,14 +26139,17 @@ SDValue DAGCombiner::visitFP_TO_FP16(SDNode *N) {
 }
 
 SDValue DAGCombiner::visitFP16_TO_FP(SDNode *N) {
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topperc wrote:

@arsenm didn't you request this function to be renamed?

https://github.com/llvm/llvm-project/pull/69426