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

[Craig Topper via llvm-commits]

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@@ -1914,6 +1915,7 @@ void DAGCombiner::Run(CombineLevel AtLevel) {
 SDValue DAGCombiner::visit(SDNode *N) {
   // clang-format off
   switch (N->getOpcode()) {
+    // clang-format off
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topperc wrote:

There's already a clang-format off two lines up

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