dd16cd731d
This patch implements a rewrite pattern for transforming gpu.global_id x to gpu.thread_id + gpu.block_id * gpu.block_dim. Reviewed By: makslevental Differential Revision: https://reviews.llvm.org/D148978
49 lines
1.7 KiB
C++
49 lines
1.7 KiB
C++
//===- 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/Arith/IR/Arith.h"
|
|
#include "mlir/Dialect/Func/IR/FuncOps.h"
|
|
#include "mlir/Dialect/GPU/Transforms/Passes.h"
|
|
#include "mlir/Dialect/Index/IR/IndexDialect.h"
|
|
#include "mlir/Dialect/MemRef/IR/MemRef.h"
|
|
#include "mlir/Pass/Pass.h"
|
|
#include "mlir/Transforms/GreedyPatternRewriteDriver.h"
|
|
|
|
using namespace mlir;
|
|
|
|
namespace {
|
|
struct TestGpuRewritePass
|
|
: public PassWrapper<TestGpuRewritePass, OperationPass<ModuleOp>> {
|
|
MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestGpuRewritePass)
|
|
|
|
void getDependentDialects(DialectRegistry ®istry) const override {
|
|
registry.insert<arith::ArithDialect, func::FuncDialect, index::IndexDialect,
|
|
memref::MemRefDialect>();
|
|
}
|
|
StringRef getArgument() const final { return "test-gpu-rewrite"; }
|
|
StringRef getDescription() const final {
|
|
return "Applies all rewrite patterns within the GPU dialect.";
|
|
}
|
|
void runOnOperation() override {
|
|
RewritePatternSet patterns(&getContext());
|
|
populateGpuRewritePatterns(patterns);
|
|
(void)applyPatternsAndFoldGreedily(getOperation(), std::move(patterns));
|
|
}
|
|
};
|
|
} // namespace
|
|
|
|
namespace mlir {
|
|
void registerTestAllReduceLoweringPass() {
|
|
PassRegistration<TestGpuRewritePass>();
|
|
}
|
|
} // namespace mlir
|