From f41db2136fe50e1a92aabfcb3ba1ec1f70f5f0d5 Mon Sep 17 00:00:00 2001
From: Dale Johannesen <dalej@apple.com>
Date: Wed, 26 Sep 2007 17:26:49 +0000
Subject: [PATCH] Fix f80 UNDEF.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42359 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index a903011d858..b5c160a1a77 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -893,7 +893,8 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
       if (MVT::isInteger(VT))
         Result = DAG.getConstant(0, VT);
       else if (MVT::isFloatingPoint(VT))
-        Result = DAG.getConstantFP(0, VT);
+        Result = DAG.getConstantFP(APFloat(APInt(MVT::getSizeInBits(VT), 0)),
+                                   VT);
       else
         assert(0 && "Unknown value type!");
       break;