[PATCH] D21720: Unroll for uncountable loops

[Evgeny Stupachenko via llvm-commits]

evstupac created this revision.
evstupac added reviewers: mzolotukhin, sanjoy.
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The patch introduces 1st heuristic to unroll uncountable loops.
The heuristics targeted on loops working with list structures.

make check passed
spec2000 has unchanged performance
There are several improvements on applications working with list structures.

Repository:
  rL LLVM

http://reviews.llvm.org/D21720

Files:
  lib/Transforms/Scalar/LoopUnrollPass.cpp
  test/Transforms/LoopUnroll/unroll-force.ll

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