Fix another bitwidth calculation to handle vector types; based on a
patch by Micah Villmow for PR6572.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98188 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 3be6b43..82bf478 100644
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -5409,7 +5409,7 @@
     if (SimplifyDemandedBits(Value,
                              APInt::getLowBitsSet(
                                Value.getValueType().getScalarType().getSizeInBits(),
-                               ST->getMemoryVT().getSizeInBits())))
+                               ST->getMemoryVT().getScalarType().getSizeInBits())))
       return SDValue(N, 0);
   }