[PATCH] D140905: [DebugInfo] Replace UndefValue with PoisonValue in setKillLocation

[Orlando Cazalet-Hyams via Phabricator via llvm-commits]

Orlando created this revision.
Orlando added reviewers: StephenTozer, jmorse, djtodoro, jryans, scott.linder, nlopes.
Orlando added a project: debug-info.
Herald added a subscriber: asbirlea.
Herald added a project: All.
Orlando requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

This helps towards the effort to remove `UndefValue` from LLVM.

Related to https://discourse.llvm.org/t/auto-undef-debug-uses-of-a-deleted-value


https://reviews.llvm.org/D140905

Files:
  llvm/include/llvm/IR/IntrinsicInst.h
  llvm/test/DebugInfo/Generic/assignment-tracking/loop-deletion/dead-loop.ll
  llvm/test/DebugInfo/Generic/assignment-tracking/salvage-value.ll
  llvm/test/DebugInfo/Generic/pr40628.ll
  llvm/test/DebugInfo/X86/dead-store-elimination-marks-undef.ll
  llvm/test/DebugInfo/X86/licm-undef-dbg-value.ll
  llvm/test/DebugInfo/limit-arglist-size.ll
  llvm/test/DebugInfo/salvage-limit-expr-size.ll
  llvm/test/Transforms/BDCE/pr41925.ll
  llvm/test/Transforms/InstCombine/debuginfo-dce.ll
  llvm/test/Transforms/InstCombine/debuginfo-sink.ll
  llvm/test/Transforms/InstCombine/erase-dbg-values-at-dead-alloc-site.ll
  llvm/test/Transforms/InstCombine/pr43893.ll
  llvm/test/Transforms/InstCombine/stacksave-debuginfo.ll
  llvm/test/Transforms/LoopDeletion/diundef.ll
  llvm/test/Transforms/LoopStrengthReduce/dbg-preserve-1.ll
  llvm/test/Transforms/Reassociate/reassociate_dbgvalue_discard.ll
  llvm/test/Transforms/Reassociate/undef_intrinsics_when_deleting_instructions.ll

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