//===- Utils.cpp - GPU transforms utils -----------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// Implements GPU dialect transforms utils.
//
//===----------------------------------------------------------------------===//

#include "mlir/Dialect/GPU/Transforms/Utils.h"
#include "llvm/Support/ErrorHandling.h"

namespace mlir::gpu {

vector::CombiningKind convertReductionKind(gpu::AllReduceOperation mode) {
  switch (mode) {
#define MAP_CASE(X)                                                            \
  case gpu::AllReduceOperation::X:                                             \
    return vector::CombiningKind::X

    MAP_CASE(ADD);
    MAP_CASE(MUL);
    MAP_CASE(MINUI);
    MAP_CASE(MINSI);
    MAP_CASE(MINNUMF);
    MAP_CASE(MAXSI);
    MAP_CASE(MAXUI);
    MAP_CASE(MAXNUMF);
    MAP_CASE(AND);
    MAP_CASE(OR);
    MAP_CASE(XOR);
    MAP_CASE(MINIMUMF);
    MAP_CASE(MAXIMUMF);

#undef MAP_CASE
  }

  llvm_unreachable("Vector and GPU reduction kinds should match 1:1");
}

} // namespace mlir::gpu