From 0971e775294095c41aa076d7ed499850302561e7 Mon Sep 17 00:00:00 2001
From: Nuno Lopes <nunoplopes@sapo.pt>
Date: Wed, 14 Jan 2009 17:51:41 +0000
Subject: [PATCH] fix crash in the case when some arg is null

llvm-svn: 62236
---
 llvm/lib/VMCore/AsmWriter.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/VMCore/AsmWriter.cpp b/llvm/lib/VMCore/AsmWriter.cpp
index cd4c6921d2e2..8139e822ee6e 100644
--- a/llvm/lib/VMCore/AsmWriter.cpp
+++ b/llvm/lib/VMCore/AsmWriter.cpp
@@ -1671,7 +1671,7 @@ void AssemblyWriter::printInstruction(const Instruction &I) {
     } else {
       for (unsigned i = 1, E = I.getNumOperands(); i != E; ++i) {
         Operand = I.getOperand(i);
-        if (Operand->getType() != TheType) {
+        if (Operand && Operand->getType() != TheType) {
           PrintAllTypes = true;    // We have differing types!  Print them all!
           break;
         }