From ae95d72a5296961cc4ec04cc87c3753653f6f3b1 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Mon, 29 Oct 2007 20:44:42 +0000
Subject: Fix a DAGCombiner abort on a bitcast from a scalar to a vector.

llvm-svn: 43470
---
 llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

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

diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index b4299f4ff85..b423d68e0f0 100644
--- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -4212,7 +4212,8 @@ SDOperand DAGCombiner::visitEXTRACT_VECTOR_ELT(SDNode *N) {
       unsigned NumElts = MVT::getVectorNumElements(VT);
       if (InVec.getOpcode() == ISD::BIT_CONVERT) {
         MVT::ValueType BCVT = InVec.getOperand(0).getValueType();
-        if (NumElts != MVT::getVectorNumElements(BCVT))
+        if (!MVT::isVector(BCVT) ||
+            NumElts != MVT::getVectorNumElements(BCVT))
           return SDOperand();
         InVec = InVec.getOperand(0);
         EVT = MVT::getVectorElementType(BCVT);
-- 
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