[PATCH] D19553: Unroll pass restructure.

[Evgeny Stupachenko via llvm-commits]

evstupac removed rL LLVM as the repository for this revision.
evstupac updated this revision to Diff 58854.
evstupac added a comment.

Here the version committed.
Added BEInsns var which represents number of optimized instructions when "back edge" becomes "fall through". It replaced constant "2" used for this in all calculations.


http://reviews.llvm.org/D19553

Files:
  include/llvm/Analysis/TargetTransformInfo.h
  include/llvm/Transforms/Utils/UnrollLoop.h
  lib/Transforms/Scalar/LoopUnrollPass.cpp
  lib/Transforms/Utils/LoopUnroll.cpp
  test/Transforms/LoopUnroll/partial-unroll-const-bounds.ll

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