[all-commits] [llvm/llvm-project] 9b818a: [DebugInfo] Propagate DebugLoc from switch in simp...

[Stephen Tozer via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9b818afc26af83f412805390979d29abd953607a
      https://github.com/llvm/llvm-project/commit/9b818afc26af83f412805390979d29abd953607a
  Author: Stephen Tozer <stephen.tozer at sony.com>
  Date:   2025-10-29 (Wed, 29 Oct 2025)

  Changed paths:
    M llvm/lib/Transforms/Utils/SimplifyCFG.cpp
    A llvm/test/Transforms/SimplifyCFG/X86/debugloc-switch-powers-of-two.ll

  Log Message:
  -----------
  [DebugInfo] Propagate DebugLoc from switch in simplifySwitchOfPowersOfTwo (#165335)

A recent commit 00f5a1e30b modified simplifySwitchOfPowersOfTwo to
generate a branch to handle the non-power-of-2 case when appropriate,
but does not set a DebugLoc on the new branch instruction; this patch
propagates the switch's DebugLoc to the new branch, as for the other
instructions generated in the same block.

Found using #107279.



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