From d7897d40b6da84a6088fd24b27578f4cb0bcd444 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Mon, 4 Jun 2007 22:23:42 +0000
Subject: [PATCH] When rebuilding constant structs, make sure to honor the
 isPacked bit. This fixes PR1491 and GlobalOpt/2007-06-04-PackedStruct.ll

llvm-svn: 37423
---
 llvm/lib/Transforms/IPO/GlobalOpt.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/Transforms/IPO/GlobalOpt.cpp b/llvm/lib/Transforms/IPO/GlobalOpt.cpp
index 516ba4363ee5..520af8750e18 100644
--- a/llvm/lib/Transforms/IPO/GlobalOpt.cpp
+++ b/llvm/lib/Transforms/IPO/GlobalOpt.cpp
@@ -1625,7 +1625,7 @@ static Constant *EvaluateStoreInto(Constant *Init, Constant *Val,
     Elts[Idx] = EvaluateStoreInto(Elts[Idx], Val, Addr, OpNo+1);
     
     // Return the modified struct.
-    return ConstantStruct::get(Elts);
+    return ConstantStruct::get(&Elts[0], Elts.size(), STy->isPacked());
   } else {
     ConstantInt *CI = cast<ConstantInt>(Addr->getOperand(OpNo));
     const ArrayType *ATy = cast<ArrayType>(Init->getType());