[llvm] [DXIL] Add GroupMemoryBarrierWithGroupSync intrinsic (PR #114349)

[Adam Yang via llvm-commits]

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@@ -374,19 +411,51 @@ static void emitDXILOpFunctionTypes(ArrayRef<DXILOperationDesc> Ops,
 /// \param Output stream
 static void emitDXILIntrinsicMap(ArrayRef<DXILOperationDesc> Ops,
                                  raw_ostream &OS) {
+
   OS << "#ifdef DXIL_OP_INTRINSIC\n";
   OS << "\n";
   for (const auto &Op : Ops) {
-    if (Op.Intrinsic.empty())
+    if (Op.IntrinsicSelects.empty()) {
       continue;
-    OS << "DXIL_OP_INTRINSIC(dxil::OpCode::" << Op.OpName
-       << ", Intrinsic::" << Op.Intrinsic << ")\n";
+    }
+    for (const DXILIntrinsicSelect &MappedIntr : Op.IntrinsicSelects) {
+      OS << "DXIL_OP_INTRINSIC(dxil::OpCode::" << Op.OpName
+         << ", Intrinsic::" << MappedIntr.Intrinsic << ", ";
+      for (const Record *ArgSelect : MappedIntr.ArgSelectRecords) {
+        std::string Type =
+            ArgSelect->getValueAsDef("type")->getNameInitAsString();
+        int Value = ArgSelect->getValueAsInt("value");
+        OS << "(IntrinArgSelect{"
+           << "IntrinArgSelect::Type::" << StripIntrinArgSelectTypePrefix(Type)
+           << "," << Value << "}), ";
+      }
+      OS << ")\n";
+    }
   }
   OS << "\n";
   OS << "#undef DXIL_OP_INTRINSIC\n";
   OS << "#endif\n\n";
 }
 
+/// Emit the IntrinArgSelect type for DirectX intrinsic to DXIL Op lowering
+static void emitDXILIntrinsicArgSelectTypes(const RecordKeeper &Records,
+                                            raw_ostream &OS) {
+  OS << "#ifdef DXIL_OP_INTRINSIC_ARG_SELECT_TYPES\n";
+  OS << "struct IntrinArgSelect {\n";
+  OS << "  enum class Type {\n";
+  for (const Record *Records :
+       Records.getAllDerivedDefinitions("IntrinArgSelectType")) {
+    StringRef StrippedName = StripIntrinArgSelectTypePrefix(Records->getName());
+    OS << "    " << StrippedName << ",\n";
+  }
+  OS << "  };\n";
+  OS << "  Type Type;\n";
+  OS << "  int Value;\n";
+  OS << "};\n";
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adam-yang wrote:

Fixed it, except the enums aren't given explicit values, since it doesn't matter.

https://github.com/llvm/llvm-project/pull/114349