From: Chris Lattner <sabre@nondot.org>
Date: Thu, 24 Feb 2005 19:55:31 +0000 (+0000)
Subject: This instruction:
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=753b113cdf94c5f1abaa3b9c329a7fd18cd2fac9;p=oota-llvm.git

This instruction:
  X = gep null, ...

Used to not create a scalar map entry for X, which caused clients to barf.
This is bad.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20316 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Analysis/DataStructure/Local.cpp b/lib/Analysis/DataStructure/Local.cpp
index 948bf3fc5da..642de036975 100644
--- a/lib/Analysis/DataStructure/Local.cpp
+++ b/lib/Analysis/DataStructure/Local.cpp
@@ -318,7 +318,8 @@ void GraphBuilder::visitPHINode(PHINode &PN) {
 
 void GraphBuilder::visitGetElementPtrInst(User &GEP) {
   DSNodeHandle Value = getValueDest(*GEP.getOperand(0));
-  if (Value.isNull()) return;
+  if (Value.isNull())
+    Value = createNode();
 
   // As a special case, if all of the index operands of GEP are constant zeros,
   // handle this just like we handle casts (ie, don't do much).