[PATCH] Add another InstCombine pass after LoopUnroll

[Wei Mi]

Quentin, Thanks for the review.

I run “opt -instnamer” on the input test. 
Without the attribute, opt will not unroll the loop. I replaced the attribute with a loop pragma.

Wei.


REPOSITORY
  rL LLVM

http://reviews.llvm.org/D9777

Files:
  lib/Transforms/IPO/PassManagerBuilder.cpp
  test/Transforms/LoopUnroll/unroll-cleanup.ll

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