[PATCH] D11758: [Unroll] Implement a conservative and monotonically increasing cost tracking system during the full unroll heuristic analysis that avoids counting any instruction cost until that instruction becomes "live" through a side-effect or use outside the...

[Chandler Carruth]

chandlerc updated this revision to Diff 31384.
chandlerc added a comment.

Rebase after landing prerequisite patches and merge a missing commit into this
patch. Sorry for the broken original diff.


http://reviews.llvm.org/D11758

Files:
  lib/Transforms/Scalar/LoopUnrollPass.cpp
  test/Transforms/LoopUnroll/full-unroll-heuristics-dce.ll

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