[PATCH] D43324: [Utils] Salvage debug info of DCE'ed extractvalue instructions

[Vedant Kumar via Phabricator via llvm-commits]

vsk created this revision.
vsk added reviewers: aprantl, ibadawi, JDevlieghere.
vsk added a project: debug-info.

Based on a recent ToT, this salvages an additional 1072 debug values in a
stage2 build of clang and preserves an additional 40 source variables (as
counted by `llvm-dwarfdump --statistics`).


https://reviews.llvm.org/D43324

Files:
  lib/Transforms/Utils/Local.cpp
  test/Transforms/InstCombine/debuginfo-variables.ll

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