[llvm] [X86] Insert CALLSEQ when lowering GlobalTLSAddress for ELF targets (PR #113706)

[Matt Arsenault via llvm-commits]

https://github.com/arsenm commented:

I'm assuming this is a global / function scope constant. If you ignore the incoming chain, and just use DAG.getEntryNode, do you find the pre-existing node on later attempts at construction? 

https://github.com/llvm/llvm-project/pull/113706