From 896481eaa8563b8a145e541ad98bb73f8318b565 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sun, 15 Feb 2004 05:53:42 +0000
Subject: [PATCH] No need to scan zero initializers.  This should make DSA a
 bit faster.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11471 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Analysis/DataStructure/Local.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/Analysis/DataStructure/Local.cpp b/lib/Analysis/DataStructure/Local.cpp
index 31aa76b3bbe..9ee44254214 100644
--- a/lib/Analysis/DataStructure/Local.cpp
+++ b/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!");
   }
-- 
2.34.1