Andrew Trick 543376743c Set NSW/NUW flags on SCEVAddExpr when the operation is flagged as ...

such.

I'm doing this now for completeness because I can't think of/remember
any reason that it was left out. I'm not sure it will help anything,
but if we don't do it we need to explain why in comments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139450 91177308-0d34-0410-b5e6-96231b3b80d8

2011-09-10 01:09:50 +00:00

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