[all-commits] [llvm/llvm-project] cea738: [SimplifyCFG] Replace unreachable switch lookup ta...

[DaPorkchop_ via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: cea738bc9a9e4835f9a076145953ed1369dcad7d
      https://github.com/llvm/llvm-project/commit/cea738bc9a9e4835f9a076145953ed1369dcad7d
  Author: DaPorkchop_ <daporkchop at daporkchop.net>
  Date:   2024-12-26 (Thu, 26 Dec 2024)

  Changed paths:
    M llvm/lib/Transforms/Utils/SimplifyCFG.cpp
    M llvm/test/Transforms/SimplifyCFG/X86/switch_to_lookup_table.ll
    M llvm/test/Transforms/SimplifyCFG/X86/switch_to_lookup_table_big.ll

  Log Message:
  -----------
  [SimplifyCFG] Replace unreachable switch lookup table holes with poison (#94990)

As discussed in #94468, this causes switch lookup table entries which
are unreachable to be poison instead of filling them with a value from
one of the reachable cases.

---------

Co-authored-by: DianQK <dianqk at dianqk.net>



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