[llvm] [RFC][TableGen] Restructure TableGen Source (PR #80847)

[Pierre van Houtryve via llvm-commits]

================
@@ -0,0 +1,21 @@
+# The basic TableGen library contains as little dependencies as possible.
+# In particular, it does not depend on vt_gen -> it does not use ValueTypes.
+#
+# This library is the only thing included in `llvm-min-tablegen`.
+
+set(LLVM_LINK_COMPONENTS
+  Support
+  TableGen
+  )
+
+add_llvm_library(LLVMTableGenBasic STATIC OBJECT EXCLUDE_FROM_ALL
+  CodeGenIntrinsics.cpp
+  SDNodeProperties.cpp
+)
+set_target_properties(LLVMTableGenBasic PROPERTIES FOLDER "Tablegenning")
----------------
Pierre-vh wrote:

Yeah I just copy pasted that. It seems like we tend to set that properties for tablegen-related stuff. Not sure why

https://github.com/llvm/llvm-project/pull/80847