[PATCH] Use invariants in ScalarEvolution

[hfinkel at anl.gov]

Updated to use AssumptionTracker (and those review comments still relevant (hopefully I got them all)).

http://reviews.llvm.org/D4568

Files:
  include/llvm/Analysis/ScalarEvolution.h
  lib/Analysis/ScalarEvolution.cpp
  test/Analysis/ScalarEvolution/nsw-offset-assume.ll
-------------- next part --------------
A non-text attachment was scrubbed...
Name: D4568.11936.patch
Type: text/x-patch
Size: 7252 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20140728/faf4008d/attachment.bin>