[PATCH] D57163: [DebugInfo][DAG] PR40427: Avoid accidentally re-ordering DBG_VALUEs due to assumptions about inst creation

[Jeremy Morse via Phabricator via llvm-commits]

jmorse updated this revision to Diff 183504.
jmorse marked an inline comment as done.
jmorse added a comment.

Simplify condition testing for existence of earlier iterators


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D57163/new/

https://reviews.llvm.org/D57163

Files:
  lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
  test/DebugInfo/NVPTX/debug-info.ll
  test/DebugInfo/X86/pr40427.ll
  test/DebugInfo/X86/sdag-dbgvalue-phi-use-2.ll

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