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Sanjoy Das f45ab4139a [SCEV] make SCEV smarter about proving no-wrap.
Summary:
Teach SCEV to prove no overflow for an add recurrence by proving
something about the range of another add recurrence a loop-invariant
distance away from it.

Reviewers: atrick, hfinkel

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D7980

llvm-svn: 231305
2015-03-04 22:24:17 +00:00
..
2013-08-22 00:51:19 +00:00