//===- TestAllReduceLowering.cpp - Test gpu.all_reduce lowering -----------===//
//
// 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 contains test passes for lowering the gpu.all_reduce op.
//
//===----------------------------------------------------------------------===//

#include "mlir/Dialect/GPU/Passes.h"
#include "mlir/Dialect/StandardOps/IR/Ops.h"
#include "mlir/IR/PatternMatch.h"
#include "mlir/Pass/Pass.h"

using namespace mlir;

namespace {
struct TestAllReduceLoweringPass
    : public PassWrapper<TestAllReduceLoweringPass, OperationPass<ModuleOp>> {
  void getDependentDialects(DialectRegistry &registry) const override {
    registry.insert<StandardOpsDialect>();
  }
  void runOnOperation() override {
    OwningRewritePatternList patterns;
    populateGpuRewritePatterns(&getContext(), patterns);
    applyPatternsAndFoldGreedily(getOperation(), patterns);
  }
};
} // namespace

namespace mlir {
void registerTestAllReduceLoweringPass() {
  PassRegistration<TestAllReduceLoweringPass> pass(
      "test-all-reduce-lowering",
      "Lowers gpu.all-reduce ops within the GPU dialect.");
}
} // namespace mlir