From 3311669903f597f9d0351fb635bccca211a7c3bc Mon Sep 17 00:00:00 2001
From: Reid Spencer <rspencer@reidspencer.com>
Date: Sun, 29 Aug 2004 19:37:59 +0000
Subject: Add an assert to cature null Operands. It is better to catch it here
 than to SIGSEGV in the bowels of isa<...> later.

llvm-svn: 16098
---
 llvm/lib/VMCore/AsmWriter.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'llvm/lib')

diff --git a/llvm/lib/VMCore/AsmWriter.cpp b/llvm/lib/VMCore/AsmWriter.cpp
index b109cb006eb..f70a82839aa 100644
--- a/llvm/lib/VMCore/AsmWriter.cpp
+++ b/llvm/lib/VMCore/AsmWriter.cpp
@@ -744,6 +744,7 @@ std::ostream &AssemblyWriter::printTypeAtLeastOneLevel(const Type *Ty) {
 
 void AssemblyWriter::writeOperand(const Value *Operand, bool PrintType, 
                                   bool PrintName) {
+  assert(Operand != 0 && "Illegal Operand");
   if (PrintType) { Out << ' '; printType(Operand->getType()); }
   WriteAsOperandInternal(Out, Operand, PrintName, TypeNames, &Machine);
 }
-- 
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