diff --git a/lib/Target/TargetSelectionDAG.td b/lib/Target/TargetSelectionDAG.td
index 3856009bd29..0cf0bfea413 100644
--- a/lib/Target/TargetSelectionDAG.td
+++ b/lib/Target/TargetSelectionDAG.td
@@ -379,13 +379,17 @@ class PatLeaf<dag frag, code pred = [{}], SDNodeXForm xform = NOOP_SDNodeXForm>
 
 // Leaf fragments.
 
-def immAllOnes : PatLeaf<(imm), [{ return N->isAllOnesValue(); }]>;
 def vtInt      : PatLeaf<(vt),  [{ return MVT::isInteger(N->getVT()); }]>;
 def vtFP       : PatLeaf<(vt),  [{ return MVT::isFloatingPoint(N->getVT()); }]>;
 
-// Other helper fragments.
+def immAllOnes : PatLeaf<(imm), [{ return N->isAllOnesValue(); }]>;
+def immAllOnesV: PatLeaf<(build_vector), [{
+  return ISD::isBuildVectorAllOnesInteger(N);
+}]>;
 
+// Other helper fragments.
 def not  : PatFrag<(ops node:$in), (xor node:$in, immAllOnes)>;
+def vnot : PatFrag<(ops node:$in), (xor node:$in, immAllOnesV)>;
 def ineg : PatFrag<(ops node:$in), (sub 0, node:$in)>;
 
 // extending load & truncstore fragments.