[mlir][linkage] Introduce linkage dialect

mlir/include/mlir/Dialect/CMakeLists.txt

@@ -16,6 +16,7 @@ add_subdirectory(GPU)
 add_subdirectory(Index)
 add_subdirectory(IRDL)
 add_subdirectory(Linalg)
+add_subdirectory(Linkage)
 add_subdirectory(LLVMIR)
 add_subdirectory(Math)
 add_subdirectory(MemRef)

mlir/include/mlir/Dialect/Linkage/CMakeLists.txt

@@ -0,0 +1 @@
+add_subdirectory(IR)

mlir/include/mlir/Dialect/Linkage/IR/CMakeLists.txt

@@ -0,0 +1,2 @@
+add_mlir_dialect(Linkage linkage)
+add_mlir_doc(Linkage Linkage Dialects/ -gen-dialect-doc -dialect=linkage)

mlir/include/mlir/Dialect/Linkage/IR/Linkage.h

@@ -0,0 +1,16 @@
+//===- Linkage.h - Linkage Dialect ------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef MLIR_DIALECT_LINKAGE_IR_LINKAGE_H
+#define MLIR_DIALECT_LINKAGE_IR_LINKAGE_H
+
+#include "mlir/IR/Dialect.h"
+
+#include "mlir/Dialect/Linkage/IR/Linkage.h.inc"
+
+#endif // MLIR_DIALECT_LINKAGE_IR_LINKAGE_H

mlir/include/mlir/Dialect/Linkage/IR/Linkage.td

@@ -0,0 +1,31 @@
+//===- Linkage.td - Linkage dialect ------------------------*- tablegen -*-===//
+//
+// This file is licensed under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LINKAGE
+#define LINKAGE
+
+include "mlir/IR/OpBase.td"
+
+//===----------------------------------------------------------------------===//
+// Linkage dialect definition.
+//===----------------------------------------------------------------------===//
+
+def Linkage_Dialect : Dialect {
+  let name = "linkage";
+
+  let summary = "The Linkage dialect";
+  let description = [{
+    TBD
+  }];
+
+  let cppNamespace = "::mlir::linkage";
+
+  let useDefaultAttributePrinterParser = 1;
+}
+
+#endif // LINKAGE

mlir/lib/Dialect/CMakeLists.txt

@@ -16,6 +16,7 @@ add_subdirectory(GPU)
 add_subdirectory(Index)
 add_subdirectory(IRDL)
 add_subdirectory(Linalg)
+add_subdirectory(Linkage)
 add_subdirectory(LLVMIR)
 add_subdirectory(Math)
 add_subdirectory(MemRef)

mlir/lib/Dialect/Linkage/CMakeLists.txt

@@ -0,0 +1 @@
+add_subdirectory(IR)

mlir/lib/Dialect/Linkage/IR/CMakeLists.txt

@@ -0,0 +1,7 @@
+add_mlir_dialect_library(MLIRLinkageDialect
+  Linkage.cpp
+
+  LINK_LIBS PUBLIC
+  MLIRDialect
+  MLIRIR
+  )

mlir/lib/Dialect/Linkage/IR/Linkage.cpp

@@ -0,0 +1,17 @@
+//===- Linkage.cpp - Linkage dialect definition ----------------------------==//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "mlir/Dialect/Linkage/IR/Linkage.h"
+
+using namespace mlir;
+
+//===----------------------------------------------------------------------===//
+// LinkageDialect
+//===----------------------------------------------------------------------===//
+
+#include "mlir/Dialect/Linkage/IR/Linkage.cpp.inc"