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

[Daniel Paoliello via llvm-commits]

================
@@ -889,7 +889,41 @@ def memset : RuntimeLibcallImpl<MEMSET>;
 def calloc : RuntimeLibcallImpl<CALLOC>;
 
 } // End let IsDefault = true
-} // End defset DefaultRuntimeLibcallImpls
+} // End defset AllDefaultRuntimeLibcallImpls
+
+
+// FIXME: Should move to explicit opt-in to different sets of libcalls
----------------
dpaoliello wrote:

Same here, fixed in a later PR?

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