From: Chris Lattner <sabre@nondot.org>
Date: Sun, 15 Nov 2009 20:01:24 +0000 (+0000)
Subject: fix a logic error that would cause LVI-JT to miscompile
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=5553a3a5108f2942672cfac6f7bcf433acaf89ff;p=oota-llvm.git

fix a logic error that would cause LVI-JT to miscompile
some conditionals


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88868 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Analysis/LazyValueInfo.cpp b/lib/Analysis/LazyValueInfo.cpp
index bcd972eac34..3148acaac4e 100644
--- a/lib/Analysis/LazyValueInfo.cpp
+++ b/lib/Analysis/LazyValueInfo.cpp
@@ -550,7 +550,7 @@ LazyValueInfo::getPredicateOnEdge(unsigned Pred, Value *V, Constant *C,
         return False;
     } else if (Pred == ICmpInst::ICMP_NE) {
       // !C1 != C -> true iff C1 == C.
-      Res = ConstantFoldCompareInstOperands(ICmpInst::ICMP_EQ,
+      Res = ConstantFoldCompareInstOperands(ICmpInst::ICMP_NE,
                                             Result.getNotConstant(), C, TD);
       if (Res->isNullValue())
         return True;