recommit 344472 after fixing build failure on ARM and PPC.

llvm-svn: 344475
diff --git a/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.cpp b/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.cpp
index 6f553d5..1eaeb96 100644
--- a/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.cpp
+++ b/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.cpp
@@ -909,7 +909,11 @@
                                                unsigned Factor,
                                                ArrayRef<unsigned> Indices,
                                                unsigned Alignment,
-                                               unsigned AddressSpace) {
+                                               unsigned AddressSpace,
+                                               bool IsMasked) {
+  if (IsMasked)
+    return BaseT::getInterleavedMemoryOpCost(Opcode, VecTy, Factor, Indices,
+                                             Alignment, AddressSpace, IsMasked);
   assert(isa<VectorType>(VecTy) &&
          "Expect a vector type for interleaved memory op");
 
diff --git a/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.h b/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.h
index bfa9423..92b2b9b 100644
--- a/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.h
+++ b/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.h
@@ -92,7 +92,7 @@
                                  unsigned Factor,
                                  ArrayRef<unsigned> Indices,
                                  unsigned Alignment,
-                                 unsigned AddressSpace);
+                                 unsigned AddressSpace, bool IsMasked = false);
   /// @}
 };