From 74823d9145e1ae1cf47ae41de2118f9400c1e113 Mon Sep 17 00:00:00 2001
From: "Vikram S. Adve" <vadve@cs.uiuc.edu>
Date: Mon, 16 Sep 2002 15:13:59 +0000
Subject: [PATCH] Add an assertion.

llvm-svn: 3734
---
 lib/CodeGen/MachineCodeForInstruction.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/CodeGen/MachineCodeForInstruction.cpp b/lib/CodeGen/MachineCodeForInstruction.cpp
index f21e01651be..61563992241 100644
--- a/lib/CodeGen/MachineCodeForInstruction.cpp
+++ b/lib/CodeGen/MachineCodeForInstruction.cpp
@@ -38,6 +38,7 @@ static struct MCFIInitializer {
 
 MachineCodeForInstruction&
 MachineCodeForInstruction::get(const Instruction *I){
+  assert(I != NULL);
   return *(MachineCodeForInstruction*)I->getOrCreateAnnotation(MCFI_AID);
 }