[PATCH] [CaptureTracking] Avoid long compilation time on large basic blocks

[Bruno Cardoso Lopes]

Hi Hal,

Updated the patch with your suggestions + the local densemap cache. It reduces the compile time from 12min to 2min. FTR, this approach will still check the entire BB and won't change capture tracker precision. Although I still believe we should be able to reduce the compile further under O1/O2 while paying the cost of losing precision, this discussion can be postponed to a forthcoming patch.

Thanks,


REPOSITORY
  rL LLVM

http://reviews.llvm.org/D7010

Files:
  include/llvm/Analysis/CFG.h
  lib/Analysis/CFG.cpp
  lib/Analysis/CaptureTracking.cpp

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