From 42993e45b64889cc09f1ae1c14ecd7585593340f Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Tue, 18 Jan 2005 21:57:59 +0000
Subject: Zero is cheaper than sign extend.

llvm-svn: 19675
---
 llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp')

diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 8c6c10d583d..52e723a57e5 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -793,7 +793,7 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
       case ISD::SIGN_EXTEND:
         Result = PromoteOp(Node->getOperand(0));
         // NOTE: Any extend would work here...
-        Result = DAG.getNode(ISD::SIGN_EXTEND, Op.getValueType(), Result);
+        Result = DAG.getNode(ISD::ZERO_EXTEND, Op.getValueType(), Result);
         Result = DAG.getNode(ISD::SIGN_EXTEND_INREG, Result.getValueType(),
                              Result, Node->getOperand(0).getValueType());
         break;
-- 
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