[all-commits] [llvm/llvm-project] d2942a: [MergeFunctions] Fix thunks for non-instruction de...

[Shoaib Meenai via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d2942a86d7b8fc4cba4f73294efb53a3e47dc751
      https://github.com/llvm/llvm-project/commit/d2942a86d7b8fc4cba4f73294efb53a3e47dc751
  Author: Shoaib Meenai <smeenai at fb.com>
  Date:   2024-02-20 (Tue, 20 Feb 2024)

  Changed paths:
    M llvm/lib/Transforms/IPO/MergeFunctions.cpp
    A llvm/test/Transforms/MergeFunc/debuginfo-iterators.ll

  Log Message:
  -----------
  [MergeFunctions] Fix thunks for non-instruction debug info (#82080)

When MergeFunctions creates new thunk functions, it needs to copy over
the debug info format kind from the original function, otherwise we'll
mix debug info formats and run into assertions. This was exposed by a
downstream change that runs MergeFunctions before inlining, which caused
assertions when inlining attempted to inline thunks created by merging,
and the added test covers both scenarios where merging creates thunks.



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