[llvm] [SimplifyCFG] Convert switch to cmp/select sequence (PR #82795)

[via llvm-commits]

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@@ -6166,6 +6166,279 @@ static bool trySwitchToSelect(SwitchInst *SI, IRBuilder<> &Builder,
   return true;
 }
 
+// The first field contains the value that the switch produces when a certain
+// case group is selected, and the second field is a vector containing the
+// cases composing the case group.
+using SwitchCaseResultVectorTy2 =
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XChy wrote:

I dont really understand this name. Do you mean `ResultToCasesTy`?

https://github.com/llvm/llvm-project/pull/82795