fix regressions from my previous checking, including
Transforms/InstCombine/2006-12-08-ICmp-Combining.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36989 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp
index 51c8607..4c12079 100644
--- a/lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/lib/Transforms/Scalar/InstructionCombining.cpp
@@ -3926,9 +3926,9 @@
           ICmpInst *LHS = cast<ICmpInst>(Op0);
           bool NeedsSwap;
           if (ICmpInst::isSignedPredicate(LHSCC))
-            NeedsSwap = LHSCst->getValue().sgt(LHSCst->getValue());
+            NeedsSwap = LHSCst->getValue().sgt(RHSCst->getValue());
           else
-            NeedsSwap = LHSCst->getValue().ugt(LHSCst->getValue());
+            NeedsSwap = LHSCst->getValue().ugt(RHSCst->getValue());
             
           if (NeedsSwap) {
             std::swap(LHS, RHS);