72 lines · cpp
1//===- IndexingUtilsTest.cpp - IndexingUtils unit tests -------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "mlir/Dialect/Utils/IndexingUtils.h"10#include "llvm/ADT/STLExtras.h"11#include "gtest/gtest.h"12 13using namespace mlir;14 15TEST(StaticTileOffsetRange, checkIteratorCanonicalOrder) {16 // Tile <4x8> by <2x4> with canonical row-major order.17 std::vector<SmallVector<int64_t>> expected = {{0, 0}, {0, 4}, {2, 0}, {2, 4}};18 for (auto [idx, tileOffset] :19 llvm::enumerate(StaticTileOffsetRange({4, 8}, {2, 4}, {0, 1})))20 EXPECT_EQ(tileOffset, expected[idx]);21 22 // Check the constructor for default order and test use with zip iterator.23 for (auto [tileOffset, tileOffsetDefault] :24 llvm::zip(StaticTileOffsetRange({4, 8}, {2, 4}, {0, 1}),25 StaticTileOffsetRange({4, 8}, {2, 4})))26 EXPECT_EQ(tileOffset, tileOffsetDefault);27}28 29TEST(StaticTileOffsetRange, checkIteratorRowMajorOrder) {30 // Tile <4x8> by <2x4> with canonical row-major order.31 std::vector<SmallVector<int64_t>> expected = {{0, 0}, {2, 0}, {0, 4}, {2, 4}};32 for (auto [idx, tileOffset] :33 llvm::enumerate(StaticTileOffsetRange({4, 8}, {2, 4}, {1, 0})))34 EXPECT_EQ(tileOffset, expected[idx]);35}36 37TEST(StaticTileOffsetRange, checkLeadingOneFill) {38 // Tile <4x8> by <4>. A smaller tile shape gets right-aligned to the shape.39 for (auto [idx, tileOffset] :40 llvm::enumerate(StaticTileOffsetRange({4, 8}, {4}))) {41 SmallVector<int64_t> expected = {static_cast<int64_t>(idx) / 2,42 static_cast<int64_t>(idx) % 2 * 4};43 EXPECT_EQ(tileOffset, expected);44 }45 for (auto [idx, tileOffset] :46 llvm::enumerate(StaticTileOffsetRange({1, 4, 8}, {4}, {2, 1, 0}))) {47 SmallVector<int64_t> expected = {0, static_cast<int64_t>(idx) % 4,48 (static_cast<int64_t>(idx) / 4) * 4};49 EXPECT_EQ(tileOffset, expected);50 }51}52 53TEST(StaticTileOffsetRange, checkIterator3DPermutation) {54 // Tile <8x4x2> by <4x2x1> with permutation [1, 0, 2]55 for (auto [idx, tileOffset] : llvm::enumerate(56 StaticTileOffsetRange({8, 4, 2}, {4, 2, 1}, {1, 0, 2}))) {57 SmallVector<int64_t> expected = {((static_cast<int64_t>(idx) / 2) % 2) * 4,58 ((static_cast<int64_t>(idx) / 4) % 2) * 2,59 static_cast<int64_t>(idx) % 2};60 EXPECT_EQ(tileOffset, expected);61 }62 63 // Tile <10x20x30> by <5x10x16> with permutation [2, 0, 1]64 for (auto [idx, tileOffset] : llvm::enumerate(65 StaticTileOffsetRange({10, 20, 30}, {5, 10, 15}, {2, 0, 1}))) {66 SmallVector<int64_t> expected = {((static_cast<int64_t>(idx) / 2) % 2) * 5,67 (static_cast<int64_t>(idx) % 2) * 10,68 (static_cast<int64_t>(idx) / 4) % 2 * 15};69 EXPECT_EQ(tileOffset, expected);70 }71}72