[llvm-commits] non-unit strides for signed induction variables

[Nick Lewycky]

I have a new patch for SCEV which passes both llvm-test and an llvm-gcc 
bootstrap. This is a super-set of the change I tried to make twice last 
week, supporting the full generality of any comparison type with 
non-unit (but known constant) strides.

Since I managed to break the build twice in a row with a *less risky* 
version of this patch, I'm taking a cool-down period and sending it out 
for review first.

If no issues are found, I plan to commit it on Sunday evening (Pacific 
time) to give the nightly testers a chance to hack on it before Monday 
morning (which is when I get to revert it, har har.)

Please test or review, and let me know if you find any problems!

Nick

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