[PATCH] D91425: [DebugInfo] Skip dbg.value+derefs in RemoveRedundantDbgInstrs forward scan [3/3]

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

Orlando created this revision.
Orlando added reviewers: vsk, aprantl, dblaikie, rnk.
Orlando added projects: LLVM, debug-info.
Herald added subscribers: llvm-commits, hiraditya.
Orlando requested review of this revision.

See comment 3 on PR47946 <https://bugs.llvm.org/show_bug.cgi?id=47946#c3>.

InlineLowerDbgDeclare looks for dbg.value+derefs which have been inserted before
call instructions by LowerDbgDeclare. However, without this patch these
intrinsics are eligable for removal by RemoveRedundantDbgInstr.


https://reviews.llvm.org/D91425

Files:
  debuginfo-tests/dexter-tests/memvars/two-inlined-calls.c
  llvm/lib/Transforms/Utils/BasicBlockUtils.cpp
  llvm/test/DebugInfo/Generic/dont-remove-redundant-dbg-derefs.ll

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