[llvm] [MergeFunctions] Add support to run the pass over a set of function pointers (PR #111045)

[Rafael Eckstein via llvm-commits]

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@@ -0,0 +1,271 @@
+//===- MergeFunctionsTest.cpp - Unit tests for
+// MergeFunctionsPass-----------===//
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Casperento wrote:

clang format keeps changing that to two lines: [1fdf94e](https://github.com/llvm/llvm-project/pull/111045/commits/1fdf94e3e77c25156e56db0d8cde5f7965fb7e2f).

https://github.com/llvm/llvm-project/pull/111045