From: Chris Lattner <sabre@nondot.org>
Date: Thu, 13 Oct 2005 21:52:31 +0000 (+0000)
Subject: Fix some bugs in (sext (load x))
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=f98840531a8da37e481a838971abd9ab4ee69eb9;p=oota-llvm.git

Fix some bugs in (sext (load x))


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23717 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 61b377de92c..0a35939ff82 100644
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -1248,8 +1248,9 @@ SDOperand DAGCombiner::visitSIGN_EXTEND(SDNode *N) {
     SDOperand ExtLoad = DAG.getExtLoad(ISD::SEXTLOAD, VT, N0.getOperand(0),
                                        N0.getOperand(1), N0.getOperand(2),
                                        N0.getValueType());
-    CombineTo(N0.Val, ExtLoad, ExtLoad.getOperand(0));
     WorkList.push_back(N);
+    CombineTo(N0.Val, DAG.getNode(ISD::TRUNCATE, N0.getValueType(), ExtLoad),
+              ExtLoad.getValue(1));
     return SDOperand();
   }
   return SDOperand();