[llvm] [Attributor] Pack out arguments into a struct (PR #119267)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,16 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt -S -passes=attributor < %s | FileCheck %s
+
+
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arsenm wrote:

This is an externally visible function, so it's not allowed to change the signature. It would need to be be internal or similar linkage, with a call use 

https://github.com/llvm/llvm-project/pull/119267