[all-commits] [llvm/llvm-project] a87fa7: [InstCombine] Dont throw away noalias/alias scope ...

[Gabriel Baraldi via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a87fa7f0caa1b8bf328524e0aec80a10ed4af7f9
      https://github.com/llvm/llvm-project/commit/a87fa7f0caa1b8bf328524e0aec80a10ed4af7f9
  Author: Gabriel Baraldi <baraldigabriel at gmail.com>
  Date:   2024-01-04 (Thu, 04 Jan 2024)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
    M llvm/test/Transforms/InstCombine/memcpy-to-load.ll

  Log Message:
  -----------
  [InstCombine] Dont throw away noalias/alias scope metadata when inlining memcpys (#74805)

This was found in julia when we changed some operations from explicit
loads + stores to memcpys. While applying it to both the src and the
dest seems weird, thats what we do for normal TBAA.