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diff --git a/contrib/llvm/lib/Target/Hexagon/HexagonInstrFormatsV4.td b/contrib/llvm/lib/Target/Hexagon/HexagonInstrFormatsV4.td
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+++ b/contrib/llvm/lib/Target/Hexagon/HexagonInstrFormatsV4.td
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+//==- HexagonInstrFormats.td - Hexagon Instruction Formats --*- tablegen -*-==//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file describes the Hexagon V4 instruction classes in TableGen format.
+//
+//===----------------------------------------------------------------------===//
+
+//----------------------------------------------------------------------------//
+//                         Hexagon Instruction Flags
+//
+//                        *** Must match BaseInfo.h ***
+//----------------------------------------------------------------------------//
+
+def TypeMEMOP  : IType<9>;
+def TypeNV     : IType<10>;
+def TypeCOMPOUND : IType<12>;
+def TypePREFIX : IType<30>;
+
+//----------------------------------------------------------------------------//
+//                         Instruction Classes Definitions
+//----------------------------------------------------------------------------//
+
+//
+// NV type instructions.
+//
+class NVInst<dag outs, dag ins, string asmstr, list<dag> pattern = [],
+             string cstr = "", InstrItinClass itin = NCJ_tc_3or4stall_SLOT0>
+  : InstHexagon<outs, ins, asmstr, pattern, cstr, itin, TypeNV>;
+
+class NVInst_V4<dag outs, dag ins, string asmstr, list<dag> pattern = [],
+                string cstr = "", InstrItinClass itin = NCJ_tc_3or4stall_SLOT0>
+  : NVInst<outs, ins, asmstr, pattern, cstr, itin>;
+
+// Definition of Post increment new value store.
+class NVInstPost_V4<dag outs, dag ins, string asmstr, list<dag> pattern = [],
+               string cstr = "", InstrItinClass itin = ST_tc_st_SLOT0>
+  : NVInst<outs, ins, asmstr, pattern, cstr, itin>;
+
+// Post increment ST Instruction.
+let mayStore = 1 in
+class NVInstPI_V4<dag outs, dag ins, string asmstr, list<dag> pattern = [],
+               string cstr = "", InstrItinClass itin = ST_tc_st_SLOT0>
+  : NVInst<outs, ins, asmstr, pattern, cstr, itin>;
+
+// New-value conditional branch.
+class NCJInst<dag outs, dag ins, string asmstr, list<dag> pattern = [],
+              string cstr = "">
+  : NVInst<outs, ins, asmstr, pattern, cstr>;
+
+let mayLoad = 1, mayStore = 1 in
+class MEMInst<dag outs, dag ins, string asmstr, list<dag> pattern = [],
+              string cstr = "", InstrItinClass itin = V4LDST_tc_st_SLOT0>
+  : InstHexagon<outs, ins, asmstr, pattern, cstr, itin, TypeMEMOP>;
+
+class MEMInst_V4<dag outs, dag ins, string asmstr, list<dag> pattern = [],
+                 string cstr = "", InstrItinClass itin = V4LDST_tc_st_SLOT0>
+  : MEMInst<outs, ins, asmstr, pattern, cstr, itin>;
+
+let isCodeGenOnly = 1 in
+class EXTENDERInst<dag outs, dag ins, string asmstr, list<dag> pattern = []>
+  : InstHexagon<outs, ins, asmstr, pattern, "", EXTENDER_tc_1_SLOT0123,
+                TypePREFIX>;
+
+class CJInst<dag outs, dag ins, string asmstr, list<dag> pattern = [],
+              string cstr = "">
+  : InstHexagon<outs, ins, asmstr, pattern, cstr, COMPOUND, TypeCOMPOUND>;