Eli Friedman f5603aa050 [ScalarEvolution] Make sure getMinusSCEV doesn't negate pointers. ...

Add a function removePointerBase that returns, essentially, S -
getPointerBase(S).  Use it in getMinusSCEV instead of actually
subtracting pointers.

Differential Revision: https://reviews.llvm.org/D105503

2021-07-07 10:27:10 -07:00

531 KiB

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