From 811bd412293b71acd70f111921b82677159ea551 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Tue, 16 Jul 2002 21:41:31 +0000
Subject: [PATCH] Fix bug:
 test/Regression/Transforms/LevelRaise/2002-07-16-RaiseCrash2.ll

llvm-svn: 2932
---
 llvm/lib/Transforms/LevelRaise.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/llvm/lib/Transforms/LevelRaise.cpp b/llvm/lib/Transforms/LevelRaise.cpp
index 54a2930fc0d4..1defda4d8453 100644
--- a/llvm/lib/Transforms/LevelRaise.cpp
+++ b/llvm/lib/Transforms/LevelRaise.cpp
@@ -68,7 +68,9 @@ static bool HandleCastToPointer(BasicBlock::iterator BI,
   for (Value::use_iterator I = CI.use_begin(), E = CI.use_end();
        I != E; ++I) {
     if (BinaryOperator *BO = dyn_cast<BinaryOperator>(*I)) {
-      if (BO->getOpcode() != Instruction::Add)
+      if (BO->getOpcode() != Instruction::Add ||
+          // Avoid add sbyte* %X, %X cases...
+          BO->getOperand(0) == BO->getOperand(1))
         return false;
     } else {
       return false;