From e30e1cf029000f167e1456fbe1ac780599cce703 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sun, 8 Sep 2002 21:39:07 +0000
Subject: [PATCH] Fix Bug:
 test/Regression/Transforms/InstCombine/2002-09-08-PointerShiftBug.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3626 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Transforms/Scalar/InstructionCombining.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp
index 785eb709aa4..748969ab3b7 100644
--- a/lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/lib/Transforms/Scalar/InstructionCombining.cpp
@@ -492,6 +492,7 @@ Instruction *InstCombiner::visitShiftInst(Instruction &I) {
   if (ConstantUInt *CUI = dyn_cast<ConstantUInt>(Op1)) {
     unsigned TypeBits = Op0->getType()->getPrimitiveSize()*8;
     if (CUI->getValue() >= TypeBits &&
+        TypeBits && // FIXME: Handle pointer operands here.  This should go away
         !(Op0->getType()->isSigned() && I.getOpcode() == Instruction::Shr))
       return ReplaceInstUsesWith(I, Constant::getNullValue(Op0->getType()));
   }