[llvm] [CodeGen][NPM] Port BranchFolder to NPM (PR #128858)

[Matt Arsenault via llvm-commits]

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@@ -39,6 +39,7 @@
 # }
 #
 # RUN: llc -o - %s -mtriple=x86_64-- -run-pass=branch-folder | FileCheck %s
+# TODO: llc -o - %s -mtriple=x86_64-- -passes="require<profile-summary>,function(machine-function(branch-folder<enable-tail-merge>))" | FileCheck %s
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arsenm wrote:

Drop TODO run lines, this will sit forever unupdated 

https://github.com/llvm/llvm-project/pull/128858