From 7203e9f05a3b7c71785f337710ccf9d4cf5ed7d3 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Mon, 1 Apr 2002 00:45:09 +0000
Subject: Avoid incorrectly adding null values to the scalar map!

llvm-svn: 2085
---
 llvm/lib/Analysis/DataStructure/FunctionRepBuilder.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'llvm/lib/Analysis/DataStructure/FunctionRepBuilder.cpp')

diff --git a/llvm/lib/Analysis/DataStructure/FunctionRepBuilder.cpp b/llvm/lib/Analysis/DataStructure/FunctionRepBuilder.cpp
index f4689eb854d..f0d8aa3801e 100644
--- a/llvm/lib/Analysis/DataStructure/FunctionRepBuilder.cpp
+++ b/llvm/lib/Analysis/DataStructure/FunctionRepBuilder.cpp
@@ -267,6 +267,7 @@ void FunctionRepBuilder::visitStoreInst(StoreInst *SI) {
   // into data structures...
   //
   if (!isa<PointerType>(SI->getOperand(0)->getType())) return;
+  if (!ValueMap.count(SI->getOperand(0))) return;  // Src scalar has no values!
         
   const PointerValSet &SrcPVS = ValueMap[SI->getOperand(0)];
   const PointerValSet &PtrPVS = ValueMap[SI->getOperand(1)];
-- 
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