[PATCH] D20178: Fix PR26055 - LiveDebugValues is very slow

[Adrian Prantl via llvm-commits]

aprantl updated this revision to Diff 57370.
aprantl added a comment.

To establish a useful basis for discussion and further optimization, here is an NFC patch (no dropping of inlined copies) that also fixes the iterator invalidation problem noted by Daniel and reported by Davide.

I'm now going to look into Daniel's suggestions about improving the O(n^2) inner loops. Thanks!


http://reviews.llvm.org/D20178

Files:
  lib/CodeGen/LiveDebugValues.cpp
  test/DebugInfo/COFF/register-variables.ll
  test/DebugInfo/MIR/X86/live-debug-values-3preds.mir

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