[llvm-commits] [llvm] r49991 - /llvm/trunk/lib/Analysis/ScalarEvolution.cpp

[Dale Johannesen]

Author: johannes
Date: Sun Apr 20 11:58:57 2008
New Revision: 49991

URL: http://llvm.org/viewvc/llvm-project?rev=49991&view=rev
Log:
(re)fix handling of UGT.  Pointed out by Nick Lewycky.


Modified:
    llvm/trunk/lib/Analysis/ScalarEvolution.cpp

Modified: llvm/trunk/lib/Analysis/ScalarEvolution.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/ScalarEvolution.cpp?rev=49991&r1=49990&r2=49991&view=diff

==============================================================================
--- llvm/trunk/lib/Analysis/ScalarEvolution.cpp (original)
+++ llvm/trunk/lib/Analysis/ScalarEvolution.cpp Sun Apr 20 11:58:57 2008
@@ -1980,7 +1980,8 @@
     break;
   }
   case ICmpInst::ICMP_UGT: {
-    SCEVHandle TC = HowFarToZero(SE.getMinusSCEV(LHS, RHS), L);
+    SCEVHandle TC = HowManyLessThans(SE.getNotSCEV(LHS),
+                  SE.getNotSCEV(RHS), L, false);
     if (!isa<SCEVCouldNotCompute>(TC)) return TC;
     break;
   }