Revert "Revert "[IndVars] Canonicalize comparisons between non-negative values and indvars""
It seems that the patch was reverted by mistake. Clang testing showed failure of the
MathExtras.SaturatingMultiply test, however I was unable to reproduce the issue on the
fresh code base and was able to confirm that the transformation introduced by the change
does not happen in the said test. This gives a strong confidence that the actual reason of
the failure of the initial patch was somewhere else, and that problem now seems to be
fixed. Re-submitting the change to confirm that.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307244
91177308-0d34-0410-b5e6-
96231b3b80d8
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