[PATCH] D54465: [CodeGen] Fix bugs in LiveDebugVariables when debug labels are generated.

[Hsiangkai Wang via Phabricator via llvm-commits]

HsiangKai created this revision.
HsiangKai added reviewers: aprantl, probinson, dblaikie, hans.

Remove DBG_LABELs in LiveDebugVariables and generate them in
VirtRegRewriter.

This bug is reported in https://bugs.chromium.org/p/chromium/issues/detail?id=898152


Repository:
  rL LLVM

https://reviews.llvm.org/D54465

Files:
  lib/CodeGen/LiveDebugVariables.cpp
  test/CodeGen/Generic/live-debug-label.ll

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