[MLIR][Conversion] Add convert-xevm-to-llvm pass. [Re-attempt]

mlir/include/mlir/Conversion/Passes.h

@@ -80,6 +80,7 @@
 #include "mlir/Conversion/VectorToSCF/VectorToSCF.h"
 #include "mlir/Conversion/VectorToSPIRV/VectorToSPIRVPass.h"
 #include "mlir/Conversion/VectorToXeGPU/VectorToXeGPU.h"
+#include "mlir/Conversion/XeVMToLLVM/XeVMToLLVM.h"
 
 namespace mlir {
 

mlir/include/mlir/Conversion/Passes.td

@@ -1495,4 +1495,13 @@ def ConvertVectorToXeGPU : Pass<"convert-vector-to-xegpu"> {
   ];
 }
 
+//===----------------------------------------------------------------------===//
+// XeVMToLLVM
+//===----------------------------------------------------------------------===//
+
+def ConvertXeVMToLLVMPass : Pass<"convert-xevm-to-llvm"> {
+  let summary = "Convert XeVM to LLVM dialect";
+  let dependentDialects = ["LLVM::LLVMDialect"];
+}
+
 #endif // MLIR_CONVERSION_PASSES

mlir/include/mlir/Conversion/XeVMToLLVM/XeVMToLLVM.h

@@ -0,0 +1,27 @@
+//===-- XeVMToLLVM.h - Convert XeVM to LLVM dialect -------------*- C++ -*-===//
+//
+// 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 MLIR_CONVERSION_XEVMTOLLVM_XEVMTOLLVMPASS_H_
+#define MLIR_CONVERSION_XEVMTOLLVM_XEVMTOLLVMPASS_H_
+
+#include <memory>
+
+namespace mlir {
+class DialectRegistry;
+class LLVMTypeConverter;
+class RewritePatternSet;
+class Pass;
+
+#define GEN_PASS_DECL_CONVERTXEVMTOLLVMPASS
+#include "mlir/Conversion/Passes.h.inc"
+
+void populateXeVMToLLVMConversionPatterns(RewritePatternSet &patterns);
+
+void registerConvertXeVMToLLVMInterface(DialectRegistry &registry);
+} // namespace mlir
+
+#endif // MLIR_CONVERSION_XEVMTOLLVM_XEVMTOLLVMPASS_H_

mlir/include/mlir/InitAllExtensions.h

@@ -32,6 +32,7 @@
 #include "mlir/Conversion/SCFToEmitC/SCFToEmitC.h"
 #include "mlir/Conversion/UBToLLVM/UBToLLVM.h"
 #include "mlir/Conversion/VectorToLLVM/ConvertVectorToLLVM.h"
+#include "mlir/Conversion/XeVMToLLVM/XeVMToLLVM.h"
 #include "mlir/Dialect/AMX/Transforms.h"
 #include "mlir/Dialect/Affine/TransformOps/AffineTransformOps.h"
 #include "mlir/Dialect/ArmNeon/TransformOps/ArmNeonVectorTransformOps.h"
@@ -91,6 +92,7 @@ inline void registerAllExtensions(DialectRegistry &registry) {
   gpu::registerConvertGpuToLLVMInterface(registry);
   NVVM::registerConvertGpuToNVVMInterface(registry);
   vector::registerConvertVectorToLLVMInterface(registry);
+  registerConvertXeVMToLLVMInterface(registry);
 
   // Register all transform dialect extensions.
   affine::registerTransformDialectExtension(registry);

mlir/lib/Conversion/CMakeLists.txt

@@ -73,3 +73,4 @@ add_subdirectory(VectorToLLVM)
 add_subdirectory(VectorToSCF)
 add_subdirectory(VectorToSPIRV)
 add_subdirectory(VectorToXeGPU)
+add_subdirectory(XeVMToLLVM)

mlir/lib/Conversion/XeVMToLLVM/CMakeLists.txt

@@ -0,0 +1,21 @@
+add_mlir_conversion_library(MLIRXeVMToLLVM
+  XeVMToLLVM.cpp
+
+  ADDITIONAL_HEADER_DIRS
+  ${MLIR_MAIN_INCLUDE_DIR}/mlir/Conversion/XeVMToLLVM
+
+  DEPENDS
+  MLIRConversionPassIncGen
+
+  LINK_COMPONENTS
+  Core
+
+  LINK_LIBS PUBLIC
+  MLIRFuncDialect
+  MLIRGPUDialect
+  MLIRLLVMCommonConversion
+  MLIRLLVMDialect
+  MLIRXeVMDialect
+  MLIRPass
+  MLIRTransforms
+)