From: Chris Lattner <sabre@nondot.org>
Date: Sat, 27 Jan 2007 23:08:34 +0000 (+0000)
Subject: Fix test/Transforms/InstCombine/2007-01-27-AndICmp.ll, a miscompilation of
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=424db0209c88dda9fc0fdeb1ac22f85261e744da;p=oota-llvm.git

Fix test/Transforms/InstCombine/2007-01-27-AndICmp.ll, a miscompilation of
Mozilla that Anton tracked down.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33591 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp
index d38c7c46c2c..12a886aebe5 100644
--- a/lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/lib/Transforms/Scalar/InstructionCombining.cpp
@@ -3288,7 +3288,8 @@ Instruction *InstCombiner::visitAnd(BinaryOperator &I) {
                 Instruction *Add = BinaryOperator::createAdd(LHSVal, AddCST,
                                                       LHSVal->getName()+".off");
                 InsertNewInstBefore(Add, I);
-                return new ICmpInst(ICmpInst::ICMP_UGT, Add, AddCST);
+                return new ICmpInst(ICmpInst::ICMP_UGT, Add,
+                                    ConstantInt::get(Add->getType(), 1));
               }
               break;                        // (X != 13 & X != 15) -> no change
             }