Sanjoy Das c5e1132ac2 IRCE: use SCEVs instead of llvm::Value's for intermediate
calculations.  Semantically non-functional change.

This gets rid of some of the SCEV -> Value -> SCEV round tripping and
the Construct(SMin|SMax)Of and MaybeSimplify helper routines.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230150 91177308-0d34-0410-b5e6-96231b3b80d8
2015-02-21 22:07:32 +00:00
..
2015-02-21 21:29:10 +00:00