From c73a361ac5d912e43a6613bdf7f68e15d3bfde24 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Mon, 15 Mar 2010 16:15:56 +0000
Subject: [PATCH] SIGN_EXTEND from the same type as the dest is valid.

llvm-svn: 98548
---
 llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 5d38fdd5b9e6..480c0680880d 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -2332,7 +2332,7 @@ SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL,
     switch (Opcode) {
     default: break;
     case ISD::SIGN_EXTEND:
-      return getConstant(APInt(Val).sext(VT.getSizeInBits()), VT);
+      return getConstant(APInt(Val).sextOrTrunc(VT.getSizeInBits()), VT);
     case ISD::ANY_EXTEND:
     case ISD::ZERO_EXTEND:
     case ISD::TRUNCATE: