[llvm] [CodeGen][NPM] Support CodeGenSCCOrder in pipeline (PR #136818)

[Matt Arsenault via llvm-commits]

================
@@ -0,0 +1,144 @@
+; UNSUPPORTED: expensive_checks
----------------
arsenm wrote:

Why? Is this just from the verifier being on by default? You can use -verify-machineinstrs=0 (and doesn't the -disable-verify just skip the IR verifier on the input)?

https://github.com/llvm/llvm-project/pull/136818