[PATCH] [BasicAA] Make better use of zext and sign information.

[Nick White]

Hi @hfinkel - have you had a chance to run your tests on this patch yet? I've added another enhancement to GetLinearExpression - basically to convert ConstantInts to Offsets (see //test_const_eval// and //test_const_eval_scaled// for the situations this improves). I've you have I'll submit this change as a separate review, otherwise could you run your tests on this latest version of the patch? Thanks -

Nick

http://reviews.llvm.org/D5866