[llvm] TableGen: Allow defining sets of runtime libraries (PR #144978)

[Matt Arsenault via llvm-commits]

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@@ -97,6 +96,7 @@ struct RuntimeLibcallsInfo {
   /// Get the comparison predicate that's to be used to test the result of the
   /// comparison libcall against zero. This should only be used with
   /// floating-point compare libcalls.
+  // FIXME: This should be a function of RTLIB::LibcallImpl
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arsenm wrote:

Yes

https://github.com/llvm/llvm-project/pull/144978