[llvm] [llvm][GlobalOpt] Optimize statically resolvable IFuncs (PR #80606)

[Nikita Popov via llvm-commits]

================
@@ -0,0 +1,81 @@
+; RUN: opt --passes=globalopt -o - -S < %s | FileCheck %s
----------------
nikic wrote:

Please use update_test_checks.py.

https://github.com/llvm/llvm-project/pull/80606