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//===- IndexingUtilsTest.cpp - IndexingUtils unit tests -------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "mlir/Dialect/Utils/IndexingUtils.h"
#include "llvm/ADT/STLExtras.h"
#include "gtest/gtest.h"
using namespace mlir;
TEST(StaticTileOffsetRange, checkIteratorCanonicalOrder) {
// Tile <4x8> by <2x4> with canonical row-major order.
std::vector<SmallVector<int64_t>> expected = {{0, 0}, {0, 4}, {2, 0}, {2, 4}};
for (auto [idx, tileOffset] :
llvm::enumerate(StaticTileOffsetRange({4, 8}, {2, 4}, {0, 1})))
EXPECT_EQ(tileOffset, expected[idx]);
// Check the constructor for default order and test use with zip iterator.
for (auto [tileOffset, tileOffsetDefault] :
llvm::zip(StaticTileOffsetRange({4, 8}, {2, 4}, {0, 1}),
StaticTileOffsetRange({4, 8}, {2, 4})))
EXPECT_EQ(tileOffset, tileOffsetDefault);
}
TEST(StaticTileOffsetRange, checkIteratorRowMajorOrder) {
// Tile <4x8> by <2x4> with canonical row-major order.
std::vector<SmallVector<int64_t>> expected = {{0, 0}, {2, 0}, {0, 4}, {2, 4}};
for (auto [idx, tileOffset] :
llvm::enumerate(StaticTileOffsetRange({4, 8}, {2, 4}, {1, 0})))
EXPECT_EQ(tileOffset, expected[idx]);
}
TEST(StaticTileOffsetRange, checkLeadingOneFill) {
// Tile <4x8> by <4>. A smaller tile shape gets right-aligned to the shape.
for (auto [idx, tileOffset] :
llvm::enumerate(StaticTileOffsetRange({4, 8}, {4}))) {
SmallVector<int64_t> expected = {static_cast<int64_t>(idx) / 2,
static_cast<int64_t>(idx) % 2 * 4};
EXPECT_EQ(tileOffset, expected);
}
for (auto [idx, tileOffset] :
llvm::enumerate(StaticTileOffsetRange({1, 4, 8}, {4}, {2, 1, 0}))) {
SmallVector<int64_t> expected = {0, static_cast<int64_t>(idx) % 4,
(static_cast<int64_t>(idx) / 4) * 4};
EXPECT_EQ(tileOffset, expected);
}
}
TEST(StaticTileOffsetRange, checkIterator3DPermutation) {
// Tile <8x4x2> by <4x2x1> with permutation [1, 0, 2]
for (auto [idx, tileOffset] : llvm::enumerate(
StaticTileOffsetRange({8, 4, 2}, {4, 2, 1}, {1, 0, 2}))) {
SmallVector<int64_t> expected = {((static_cast<int64_t>(idx) / 2) % 2) * 4,
((static_cast<int64_t>(idx) / 4) % 2) * 2,
static_cast<int64_t>(idx) % 2};
EXPECT_EQ(tileOffset, expected);
}
// Tile <10x20x30> by <5x10x16> with permutation [2, 0, 1]
for (auto [idx, tileOffset] : llvm::enumerate(
StaticTileOffsetRange({10, 20, 30}, {5, 10, 15}, {2, 0, 1}))) {
SmallVector<int64_t> expected = {((static_cast<int64_t>(idx) / 2) % 2) * 5,
(static_cast<int64_t>(idx) % 2) * 10,
(static_cast<int64_t>(idx) / 4) % 2 * 15};
EXPECT_EQ(tileOffset, expected);
}
}
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