[llvm-branch-commits] [llvm] [Offload] Allow "tagging" device info entries with offload keys (PR #147317)

[Matt Arsenault via llvm-branch-commits]

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@@ -171,6 +186,12 @@ struct InfoTreeNode {
     return It;
   }
 
+  std::optional<InfoTreeNode *> get(DeviceInfo Info) {
+    if (DeviceInfoMap.count(Info))
+      return &(*Children)[DeviceInfoMap[Info]];
+    return std::nullopt;
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arsenm wrote:

This is still a double map lookup, do one find 

https://github.com/llvm/llvm-project/pull/147317