llvm/mlir/test/lib/Dialect/GPU/TestGpuMemoryPromotion.cpp

//===- TestGPUMemoryPromotionPass.cpp - Test pass for GPU promotion -------===//
//
// 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 pass testing the utilities for moving data across
// different levels of the GPU memory hierarchy.
//
//===----------------------------------------------------------------------===//

#include "mlir/Dialect/Affine/IR/AffineOps.h"
#include "mlir/Dialect/GPU/IR/GPUDialect.h"
#include "mlir/Dialect/GPU/Transforms/MemoryPromotion.h"
#include "mlir/Dialect/MemRef/IR/MemRef.h"
#include "mlir/Dialect/SCF/IR/SCF.h"
#include "mlir/Dialect/SPIRV/IR/SPIRVDialect.h"
#include "mlir/IR/Attributes.h"
#include "mlir/Pass/Pass.h"

usingnamespacemlir;

namespace {
/// Simple pass for testing the promotion to workgroup memory in GPU functions.
/// Promotes all arguments with "gpu.test_promote_workgroup" attribute. This
/// does not check whether the promotion is legal (e.g., amount of memory used)
/// or beneficial (e.g., makes previously uncoalesced loads coalesced).
struct TestGpuMemoryPromotionPass
    : public PassWrapper<TestGpuMemoryPromotionPass,
                         OperationPass<gpu::GPUFuncOp>> { … };
} // namespace

namespace mlir {
void registerTestGpuMemoryPromotionPass() { … }
} // namespace mlir