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9b234b388d
In certain cases, it's possible for delinearization to decide one of the array dimensions should be some function of an induction variable inside the scop. Make sure if this happens, we refuse to use those dimensions for delinearization. Usually, we end up rejecting the scop before it actually crashes, but it looks like it's possible to slip past other checks in certain cases involving smax expressions. Fixes a crash that started showing up this week on the polly AOSP builder. As far as I can tell, this is a longstanding issue, though; it was just exposed by better SCEV analysis of smin expressions. Differential Revision: https://reviews.llvm.org/D61807 llvm-svn: 360708 |
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| Polly.cpp | ||