[CIR][cir-link] Setup cir-link tool

Author: xlauko

clang/tools/CMakeLists.txt

@@ -5,6 +5,7 @@ add_clang_subdirectory(driver)
 add_clang_subdirectory(apinotes-test)
 if(CLANG_ENABLE_CIR)
   add_clang_subdirectory(cir-opt)
+  add_clang_subdirectory(cir-link)
   add_clang_subdirectory(cir-translate)
   add_clang_subdirectory(cir-lsp-server)
 endif()

clang/tools/cir-link/CMakeLists.txt

@@ -0,0 +1,20 @@
+get_property(dialect_libs GLOBAL PROPERTY MLIR_DIALECT_LIBS)
+get_property(conversion_libs GLOBAL PROPERTY MLIR_CONVERSION_LIBS)
+
+add_clang_tool(cir-link
+  cir-link.cpp
+)
+
+clang_target_link_libraries(cir-link
+  PRIVATE
+  clangCIR
+  MLIRCIR
+  MLIRLinkLib
+  MLIRSupport
+)
+
+target_include_directories(cir-link
+  PRIVATE
+  ${LLVM_MAIN_SRC_DIR}/../mlir/include
+  ${CMAKE_BINARY_DIR}/tools/mlir/include
+)

clang/tools/cir-link/cir-link.cpp

@@ -0,0 +1,32 @@
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the main function for cir-link, a tool to link CIR
+// modules: cir-link a.mlir b.mlir c.mlir -o x.mlir
+//
+//===----------------------------------------------------------------------===//
+
+#include "mlir/Dialect/DLTI/DLTI.h"
+#include "mlir/IR/BuiltinDialect.h"
+#include "mlir/IR/Dialect.h"
+#include "mlir/IR/MLIRContext.h"
+#include "mlir/Tools/mlir-link/MlirLinkMain.h"
+#include "mlir/IR/BuiltinLinkerInterface.h"
+#include "clang/CIR/Dialect/IR/CIRDialect.h"
+#include "clang/CIR/Interfaces/CIRLinkerInterface.h"
+
+using namespace mlir;
+
+int main(int argc, char **argv) {
+  DialectRegistry registry;
+  registry.insert<mlir::BuiltinDialect, cir::CIRDialect, mlir::DLTIDialect>();
+  builtin::registerLinkerInterface(registry);
+  cir::registerLinkerInterface(registry);
+
+  return failed(MlirLinkMain(argc, argv, registry));
+}