From 218eb798a2f347a85886bc3af5bfe7fee188263b Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sun, 15 Feb 2004 05:53:42 +0000
Subject: No need to scan zero initializers.  This should make DSA a bit
 faster.

llvm-svn: 11471
---
 llvm/lib/Analysis/DataStructure/Local.cpp | 2 ++
 1 file changed, 2 insertions(+)

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

diff --git a/llvm/lib/Analysis/DataStructure/Local.cpp b/llvm/lib/Analysis/DataStructure/Local.cpp
index 31aa76b3bbe..9ee44254214 100644
--- a/llvm/lib/Analysis/DataStructure/Local.cpp
+++ b/llvm/lib/Analysis/DataStructure/Local.cpp
@@ -681,6 +681,8 @@ void GraphBuilder::MergeConstantInitIntoNode(DSNodeHandle &NH, Constant *C) {
       DSNodeHandle NewNH(NH.getNode(), NH.getOffset()+SL->MemberOffsets[i]);
       MergeConstantInitIntoNode(NewNH, cast<Constant>(CS->getOperand(i)));
     }
+  } else if (ConstantAggregateZero *CAZ = dyn_cast<ConstantAggregateZero>(C)) {
+    // Noop
   } else {
     assert(0 && "Unknown constant type!");
   }
-- 
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