Fixup to r186268 and r186269: don't append -LABEL to CHECK-NOT. No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186271 91177308-0d34-0410-b5e6-96231b3b80d8
Teach indvars to generate nsw/nuw flags when widening an induction variable.

Fixes PR16600.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186272 91177308-0d34-0410-b5e6-96231b3b80d8