Michael Zolotukhin 3148e98284 Remove SCEVCache and FindConstantPointers from complete loop unrolling heuristic. ...

Summary:
Using some SCEV functionality helped to entirely remove SCEVCache class and FindConstantPointers SCEV visitor.
Also, this makes the code more universal - I'll take advandate of it in next patches where I start handling additional types of instructions.

Test Plan: Tests would be submitted in subsequent patches.

Reviewers: atrick, chandlerc

Reviewed By: atrick, chandlerc

Subscribers: atrick, llvm-commits

Differential Revision: http://reviews.llvm.org/D10205

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239282 91177308-0d34-0410-b5e6-96231b3b80d8

2015-06-08 03:28:06 +00:00

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