[llvm] [OpenMP] Move KernelInfoState and AAKernelInfo to OpenMPOpt.h (PR #71878)

[Johannes Doerfert via llvm-commits]

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@@ -4889,8 +4702,9 @@ struct AAKernelInfoCallSite : AAKernelInfo {
 
     // Next we check if we know the callee. If it is a known OpenMP function
     // we will handle them explicitly in the switch below. If it is not, we
-    // will use an AAKernelInfo object on the callee to gather information and
-    // merge that into the current state. The latter happens in the updateImpl.
+    // will use an AAKernelInfoImpl object on the callee to gather information
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jdoerfert wrote:

Don't change it here.

https://github.com/llvm/llvm-project/pull/71878