[Mlir-commits] [mlir] [mlir][gpu]Add GPUToXeVM lowering pipeline pass. (PR #161216)

[Adam Siemieniuk]

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+//===- GPUToXeVMPipeline.cpp - Lowering pipeline to XeVM/LLVM -------------===//
+//
+// 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 a pass for testing the lowering to XeVM as a generally
+// usable sink pass. If XeGPU ops are used, it expects the MLIR code to have
+// XeGPU ops already embedded in gpu code.
+//
+//===----------------------------------------------------------------------===//
+
+#include "mlir/Conversion/AffineToStandard/AffineToStandard.h"
+#include "mlir/Conversion/Passes.h"
+#include "mlir/Conversion/SCFToControlFlow/SCFToControlFlow.h"
+#include "mlir/Conversion/VectorToSCF/VectorToSCF.h"
+#include "mlir/Conversion/XeGPUToXeVM/XeGPUToXeVM.h"
+#include "mlir/Conversion/XeVMToLLVM/XeVMToLLVM.h"
+#include "mlir/Dialect/Func/IR/FuncOps.h"
+#include "mlir/Dialect/GPU/IR/GPUDialect.h"
+#include "mlir/Dialect/GPU/Pipelines/Passes.h"
+#include "mlir/Dialect/GPU/Transforms/Passes.h"
+#include "mlir/Dialect/LLVMIR/Transforms/RequestCWrappers.h"
+#include "mlir/Dialect/MemRef/Transforms/Passes.h"
+#include "mlir/Dialect/XeGPU/Transforms/Passes.h"
+#include "mlir/Pass/PassManager.h"
+#include "mlir/Pass/PassOptions.h"
+#include "mlir/Target/LLVM/XeVM/Target.h"
+#include "mlir/Transforms/Passes.h"
+
+using namespace mlir;
+
+namespace {
+//===----------------------------------------------------------------------===//
+// Common pipeline
+//===----------------------------------------------------------------------===//
+void buildCommonPassPipeline(
+    OpPassManager &pm, const mlir::gpu::GPUToXeVMPipelineOptions &options) {
+  // builtin.module scope passes
+  pm.addPass(createCSEPass());
+  pm.addPass(createConvertVectorToSCFPass());
+  {
+    GpuXeVMAttachTargetOptions xevmTargetOptions;
+    xevmTargetOptions.moduleMatcher = options.xevmModuleMatcher;
+    xevmTargetOptions.triple = options.zebinTriple;
+    xevmTargetOptions.chip = options.zebinChip;
+    xevmTargetOptions.optLevel = options.optLevel;
+    xevmTargetOptions.cmdOptions = options.cmdOptions;
+    pm.addPass(createGpuXeVMAttachTarget(xevmTargetOptions));
+  }
+  pm.addPass(createLowerAffinePass());
+  pm.addNestedPass<func::FuncOp>(createGpuAsyncRegionPass());
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adam-smnk wrote:

Not necessarily wrong but do we use any async?

https://github.com/llvm/llvm-project/pull/161216