[PATCH] D57694: [DebugInfo][DAG] Either salvage dangling debug info or emit Undef DBG_VALUEs

[Jeremy Morse via Phabricator via llvm-commits]

jmorse updated this revision to Diff 185086.
jmorse added a comment.

Address comments; also re-instate and revise the 'TODO' comment I was deleting. After reading it again, I think it's not referring to the problem that this patch solves.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D57694/new/

https://reviews.llvm.org/D57694

Files:
  lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
  lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
  lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
  test/DebugInfo/X86/sdag-dangling-dbgvalue.ll
  test/DebugInfo/X86/sdag-ir-salvage.ll

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