Dehao Chen 977853b7c5 Update loop unroller cost model to make sure debug info does not affect optimization decisions. ...

Summary: Debug info should *not* affect optimization decisions. This patch updates loop unroller cost model to make it not affected by debug info.

Reviewers: davidxl, mzolotukhin

Subscribers: haicheng, llvm-commits, mzolotukhin

Differential Revision: https://reviews.llvm.org/D25098

llvm-svn: 282894

2016-09-30 18:30:04 +00:00

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