Add nodup attribute for barrier.

lib/HLSL/DxilOperations.cpp

@@ -155,7 +155,7 @@ const OP::OpCodeProperty OP::m_OpCodeProps[(unsigned)OP::OpCode::NumOpCodes] = {
   // Synchronization                                                                                                        void,     h,     f,     d,    i1,    i8,   i16,   i32,   i64  function attribute
   {  OC::AtomicBinOp,             "AtomicBinOp",              OCC::AtomicBinOp,              "atomicBinOp",                false, false, false, false, false, false, false,  true, false, Attribute::None,     },
   {  OC::AtomicCompareExchange,   "AtomicCompareExchange",    OCC::AtomicCompareExchange,    "atomicCompareExchange",      false, false, false, false, false, false, false,  true, false, Attribute::None,     },
-  {  OC::Barrier,                 "Barrier",                  OCC::Barrier,                  "barrier",                     true, false, false, false, false, false, false, false, false, Attribute::None,     },
+  {  OC::Barrier,                 "Barrier",                  OCC::Barrier,                  "barrier",                     true, false, false, false, false, false, false, false, false, Attribute::NoDuplicate, },
 
   // Pixel shader                                                                                                           void,     h,     f,     d,    i1,    i8,   i16,   i32,   i64  function attribute
   {  OC::CalculateLOD,            "CalculateLOD",             OCC::CalculateLOD,             "calculateLOD",               false, false,  true, false, false, false, false, false, false, Attribute::ReadOnly, },

tools/clang/test/CodeGenHLSL/barrier.hlsl

@@ -53,6 +53,7 @@
 // CHECK: i32 2
 // CHECK: barrier
 // CHECK: i32 4
+// CHECK: noduplicate
 
 groupshared column_major float2x2 dataC[8*8];
 

utils/hct/hctdb.py

@@ -760,7 +760,7 @@ class db_dxil(object):
         next_op_idx += 1
 
         # Synchronization.
-        self.add_dxil_op("Barrier", next_op_idx, "Barrier", "inserts a memory barrier in the shader", "v", "", [
+        self.add_dxil_op("Barrier", next_op_idx, "Barrier", "inserts a memory barrier in the shader", "v", "nd", [
             retvoid_param,
             db_dxil_param(2, "i32", "barrierMode", "a mask of DXIL::BarrierMode values", is_const=True)])
         next_op_idx += 1

utils/hct/hctdb_instrhelp.py

@@ -342,7 +342,7 @@ class db_oload_gen:
         f = lambda i,c : "true," if i.oload_types.find(c) >= 0 else "false,"
         lower_exceptions = { "CBufferLoad" : "cbufferLoad", "CBufferLoadLegacy" : "cbufferLoadLegacy", "GSInstanceID" : "gsInstanceID" }
         lower_fn = lambda t: lower_exceptions[t] if t in lower_exceptions else t[:1].lower() + t[1:]
-        attr_dict = { "": "None", "ro": "ReadOnly", "rn": "ReadNone" }
+        attr_dict = { "": "None", "ro": "ReadOnly", "rn": "ReadNone", "nd": "NoDuplicate" }
         attr_fn = lambda i : "Attribute::" + attr_dict[i.fn_attr] + ","
         for i in self.instrs:
             if last_category != i.category: