[llvm] r182779 - Simplify code. No functionality change.

[Benjamin Kramer]

Author: d0k
Date: Tue May 28 11:39:36 2013
New Revision: 182779

URL: http://llvm.org/viewvc/llvm-project?rev=182779&view=rev
Log:
Simplify code. No functionality change.

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp?rev=182779&r1=182778&r2=182779&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp Tue May 28 11:39:36 2013
@@ -1878,9 +1878,8 @@ SDValue DAGTypeLegalizer::WidenVecRes_BU
   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());
 }