Re: [llvm-commits] [llvm] r47007 - in /llvm/trunk: lib/Analysis/ScalarEvolution.cpp test/Analysis/ScalarEvolution/2008-02-12-SMAXTripCount.ll
Chris Lattner wrote: Very nice, please add a comment above the code explaining what is going on though :) Done. Wojtek ___ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
Re: [llvm-commits] [llvm] r47007 - in /llvm/trunk: lib/Analysis/ScalarEvolution.cpp test/Analysis/ScalarEvolution/2008-02-12-SMAXTripCount.ll
On Feb 13, 2008, at 3:51 AM, Wojciech Matyjewicz wrote: Chris Lattner wrote: Very nice, please add a comment above the code explaining what is going on though :) Done. Very nice, thanks! -Chris ___ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
Re: [llvm-commits] [llvm] r47007 - in /llvm/trunk: lib/Analysis/ScalarEvolution.cpp test/Analysis/ScalarEvolution/2008-02-12-SMAXTripCount.ll
On Feb 12, 2008, at 7:09 AM, Wojciech Matyjewicz wrote: Author: wmat Date: Tue Feb 12 09:09:36 2008 New Revision: 47007 URL: http://llvm.org/viewvc/llvm-project?rev=47007view=rev Log: Fix PR2002. Suppose n is the initial value for the induction variable (with step 1) and m is its final value. Then, the correct trip count is SMAX(m,n)-n. Previously, we used SMAX(0,m-n), but m-n may overflow and can't in general be interpreted as signed. Very nice, please add a comment above the code explaining what is going on though :) -Chris ___ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
