From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Tue, 28 May 2013 16:39:36 +0000 (+0000)
Subject: Simplify code. No functionality change.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=520b6e3fa5c9c01ed66e70c925e78d518504a983;p=oota-llvm.git

Simplify code. No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182779 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
index cebd614ab1f..a36dca647b2 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
@@ -1878,9 +1878,8 @@ SDValue DAGTypeLegalizer::WidenVecRes_BUILD_VECTOR(SDNode *N) {
   unsigned WidenNumElts = WidenVT.getVectorNumElements();
 
   SmallVector<SDValue, 16> NewOps(N->op_begin(), N->op_end());
-  NewOps.reserve(WidenNumElts);
-  for (unsigned i = NumElts; i < WidenNumElts; ++i)
-    NewOps.push_back(DAG.getUNDEF(EltVT));
+  assert(WidenNumElts >= NumElts && "Shrinking vector instead of widening!");
+  NewOps.append(WidenNumElts - NumElts, DAG.getUNDEF(EltVT));
 
   return DAG.getNode(ISD::BUILD_VECTOR, dl, WidenVT, &NewOps[0], NewOps.size());
 }