> Nifty. Have you done any performance analysis of this? What cases > is it beneficial for? If this helps LSR, for example, can you please > add a testcase to verify this doesn't break in the future?
It doesn't actually help LSR much. At this point, a signextend isn't much less opaque than an unknown, though hasComputableLoopEvolution works. Dan -- Dan Gohman, Cray Inc. _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits