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diff --git a/llvm/lib/Target/Hexagon/HexagonScheduleV65.td b/llvm/lib/Target/Hexagon/HexagonScheduleV65.td
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+++ b/llvm/lib/Target/Hexagon/HexagonScheduleV65.td
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+//=-HexagonScheduleV65.td - HexagonV65 Scheduling Definitions *- tablegen -*-=//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+//
+// ScalarItin and HVXItin contain some old itineraries
+// still used by a handful of instructions. Hopefully, we will be able
+// to get rid of them soon.
+
+def HexagonV65ItinList : DepScalarItinV65, ScalarItin,
+                         DepHVXItinV65, HVXItin, PseudoItin {
+  list<InstrItinData> ItinList =
+    !listconcat(DepScalarItinV65_list, ScalarItin_list,
+                DepHVXItinV65_list, HVXItin_list, PseudoItin_list);
+}
+
+def HexagonItinerariesV65 :
+      ProcessorItineraries<[SLOT0, SLOT1, SLOT2, SLOT3, SLOT_ENDLOOP,
+                            CVI_ST, CVI_XLANE, CVI_SHIFT, CVI_MPY0, CVI_MPY1,
+                            CVI_LD, CVI_XLSHF, CVI_MPY01, CVI_ALL,
+                            CVI_ALL_NOMEM],
+                            [Hex_FWD, HVX_FWD],
+                            HexagonV65ItinList.ItinList>;
+
+def HexagonModelV65 : SchedMachineModel {
+  // Max issue per cycle == bundle width.
+  let IssueWidth = 4;
+  let Itineraries = HexagonItinerariesV65;
+  let LoadLatency = 1;
+  let CompleteModel = 0;
+}
+
+//===----------------------------------------------------------------------===//
+// Hexagon V65 Resource Definitions -
+//===----------------------------------------------------------------------===//