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| 1 | +//===- LayoutTest.cpp - unit tests related to memref layout --------------===// |
| 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-exception |
| 6 | +// |
| 7 | +//===----------------------------------------------------------------------===// |
| 8 | + |
| 9 | +#include "mlir/Dialect/MemRef/IR/MemRef.h" |
| 10 | +#include "mlir/IR/AffineMap.h" |
| 11 | +#include "mlir/IR/Builders.h" |
| 12 | +#include "mlir/IR/BuiltinTypes.h" |
| 13 | +#include "gtest/gtest.h" |
| 14 | + |
| 15 | +using namespace mlir; |
| 16 | +using namespace mlir::memref; |
| 17 | + |
| 18 | +TEST(MemRefLayout, maxCollapseDim) { |
| 19 | + MLIRContext ctx; |
| 20 | + OpBuilder b(&ctx); |
| 21 | + |
| 22 | + const auto _ = ShapedType::kDynamic; |
| 23 | + const auto f32 = b.getF32Type(); |
| 24 | + auto strided = [&ctx](ArrayRef<int64_t> s) { |
| 25 | + return StridedLayoutAttr::get(&ctx, 0, s); |
| 26 | + }; |
| 27 | + |
| 28 | + // memref<2x2x2xf32, strided<[4,2,1]> |
| 29 | + auto m1 = MemRefType::get({2, 2, 2}, f32, strided({4, 2, 1})); |
| 30 | + EXPECT_EQ(m1.getMaxCollapsableTrailingDims(), 3); |
| 31 | + |
| 32 | + // memref<2x2x2xf32, strided<[8,2,1]> |
| 33 | + auto m2 = MemRefType::get({2, 2, 2}, f32, strided({8, 2, 1})); |
| 34 | + EXPECT_EQ(m2.getMaxCollapsableTrailingDims(), 2); |
| 35 | + |
| 36 | + // memref<2x2x2xf32, strided<[8,4,1]> |
| 37 | + auto m3 = MemRefType::get({2, 2, 2}, f32, strided({8, 4, 1})); |
| 38 | + EXPECT_EQ(m3.getMaxCollapsableTrailingDims(), 1); |
| 39 | + |
| 40 | + // memref<2x2x2xf32, strided<[8,4,2]> |
| 41 | + auto m4 = MemRefType::get({2, 2, 2}, f32, strided({8, 4, 2})); |
| 42 | + EXPECT_EQ(m4.getMaxCollapsableTrailingDims(), 0); |
| 43 | + |
| 44 | + // memref<2x2x?xf32, strided<[?,?,1]> |
| 45 | + auto m5 = MemRefType::get({2, 2, _}, f32, strided({_, _, 1})); |
| 46 | + EXPECT_EQ(m5.getMaxCollapsableTrailingDims(), 1); |
| 47 | + |
| 48 | + // memref<2x2x?xf32, strided<[?,?,2]> |
| 49 | + auto m6 = MemRefType::get({2, 2, _}, f32, strided({_, _, 2})); |
| 50 | + EXPECT_EQ(m6.getMaxCollapsableTrailingDims(), 0); |
| 51 | + |
| 52 | + // memref<2x?x2xf32, strided<[?,2,1]> |
| 53 | + auto m7 = MemRefType::get({2, _, 2}, f32, strided({_, 2, 1})); |
| 54 | + EXPECT_EQ(m7.getMaxCollapsableTrailingDims(), 2); |
| 55 | + |
| 56 | + // memref<2x?x2xf32, strided<[?,4,1]> |
| 57 | + auto m8 = MemRefType::get({2, _, 2}, f32, strided({_, 4, 1})); |
| 58 | + EXPECT_EQ(m8.getMaxCollapsableTrailingDims(), 1); |
| 59 | + |
| 60 | + // memref<2x?x2xf32, strided<[?,4,2]> |
| 61 | + auto m9 = MemRefType::get({2, _, 2}, f32, strided({_, 4, 2})); |
| 62 | + EXPECT_EQ(m9.getMaxCollapsableTrailingDims(), 0); |
| 63 | + |
| 64 | + // memref<?x2x2xf32, strided<[4,2,1]> |
| 65 | + auto m10 = MemRefType::get({_, 2, 2}, f32, strided({4, 2, 1})); |
| 66 | + EXPECT_EQ(m10.getMaxCollapsableTrailingDims(), 3); |
| 67 | + |
| 68 | + // memref<?x2x2xf32, strided<[8,2,1]> |
| 69 | + auto m11 = MemRefType::get({_, 2, 2}, f32, strided({8, 2, 1})); |
| 70 | + EXPECT_EQ(m11.getMaxCollapsableTrailingDims(), 2); |
| 71 | + |
| 72 | + // memref<?x2x2xf32, strided<[8,4,1]> |
| 73 | + auto m12 = MemRefType::get({_, 2, 2}, f32, strided({8, 4, 1})); |
| 74 | + EXPECT_EQ(m12.getMaxCollapsableTrailingDims(), 1); |
| 75 | + |
| 76 | + // memref<?x2x2xf32, strided<[8,4,2]> |
| 77 | + auto m13 = MemRefType::get({_, 2, 2}, f32, strided({8, 4, 2})); |
| 78 | + EXPECT_EQ(m13.getMaxCollapsableTrailingDims(), 0); |
| 79 | +} |
| 80 | + |
| 81 | +TEST(MemRefLayout, contigTrailingDim) { |
| 82 | + MLIRContext ctx; |
| 83 | + OpBuilder b(&ctx); |
| 84 | + |
| 85 | + const auto _ = ShapedType::kDynamic; |
| 86 | + const auto f32 = b.getF32Type(); |
| 87 | + auto strided = [&ctx](ArrayRef<int64_t> s) { |
| 88 | + return StridedLayoutAttr::get(&ctx, 0, s); |
| 89 | + }; |
| 90 | + |
| 91 | + // memref<2x2x2xf32, strided<[4,2,1]> |
| 92 | + auto m1 = MemRefType::get({2, 2, 2}, f32, strided({4, 2, 1})); |
| 93 | + EXPECT_TRUE(m1.areTrailingDimsContiguous(1)); |
| 94 | + EXPECT_TRUE(m1.areTrailingDimsContiguous(2)); |
| 95 | + EXPECT_TRUE(m1.areTrailingDimsContiguous(3)); |
| 96 | + |
| 97 | + // memref<2x2x2xf32, strided<[8,2,1]> |
| 98 | + auto m2 = MemRefType::get({2, 2, 2}, f32, strided({8, 2, 1})); |
| 99 | + EXPECT_TRUE(m2.areTrailingDimsContiguous(1)); |
| 100 | + EXPECT_TRUE(m2.areTrailingDimsContiguous(2)); |
| 101 | + EXPECT_FALSE(m2.areTrailingDimsContiguous(3)); |
| 102 | + |
| 103 | + // memref<2x2x2xf32, strided<[8,4,1]> |
| 104 | + auto m3 = MemRefType::get({2, 2, 2}, f32, strided({8, 4, 1})); |
| 105 | + EXPECT_TRUE(m3.areTrailingDimsContiguous(1)); |
| 106 | + EXPECT_FALSE(m3.areTrailingDimsContiguous(2)); |
| 107 | + EXPECT_FALSE(m3.areTrailingDimsContiguous(3)); |
| 108 | + |
| 109 | + // memref<2x2x2xf32, strided<[8,4,2]> |
| 110 | + auto m4 = MemRefType::get({2, 2, 2}, f32, strided({8, 4, 2})); |
| 111 | + EXPECT_FALSE(m4.areTrailingDimsContiguous(1)); |
| 112 | + EXPECT_FALSE(m4.areTrailingDimsContiguous(2)); |
| 113 | + EXPECT_FALSE(m4.areTrailingDimsContiguous(3)); |
| 114 | + |
| 115 | + // memref<2x2x?xf32, strided<[?,?,1]> |
| 116 | + auto m5 = MemRefType::get({2, 2, _}, f32, strided({_, _, 1})); |
| 117 | + EXPECT_TRUE(m5.areTrailingDimsContiguous(1)); |
| 118 | + EXPECT_FALSE(m5.areTrailingDimsContiguous(2)); |
| 119 | + EXPECT_FALSE(m5.areTrailingDimsContiguous(3)); |
| 120 | + |
| 121 | + // memref<2x2x?xf32, strided<[?,?,2]> |
| 122 | + auto m6 = MemRefType::get({2, 2, _}, f32, strided({_, _, 2})); |
| 123 | + EXPECT_FALSE(m6.areTrailingDimsContiguous(1)); |
| 124 | + EXPECT_FALSE(m6.areTrailingDimsContiguous(2)); |
| 125 | + EXPECT_FALSE(m6.areTrailingDimsContiguous(3)); |
| 126 | + |
| 127 | + // memref<2x?x2xf32, strided<[?,2,1]> |
| 128 | + auto m7 = MemRefType::get({2, _, 2}, f32, strided({_, 2, 1})); |
| 129 | + EXPECT_TRUE(m7.areTrailingDimsContiguous(1)); |
| 130 | + EXPECT_TRUE(m7.areTrailingDimsContiguous(2)); |
| 131 | + EXPECT_FALSE(m7.areTrailingDimsContiguous(3)); |
| 132 | + |
| 133 | + // memref<2x?x2xf32, strided<[?,4,1]> |
| 134 | + auto m8 = MemRefType::get({2, _, 2}, f32, strided({_, 4, 1})); |
| 135 | + EXPECT_TRUE(m8.areTrailingDimsContiguous(1)); |
| 136 | + EXPECT_FALSE(m8.areTrailingDimsContiguous(2)); |
| 137 | + EXPECT_FALSE(m8.areTrailingDimsContiguous(3)); |
| 138 | + |
| 139 | + // memref<2x?x2xf32, strided<[?,4,2]> |
| 140 | + auto m9 = MemRefType::get({2, _, 2}, f32, strided({_, 4, 2})); |
| 141 | + EXPECT_FALSE(m9.areTrailingDimsContiguous(1)); |
| 142 | + EXPECT_FALSE(m9.areTrailingDimsContiguous(2)); |
| 143 | + EXPECT_FALSE(m9.areTrailingDimsContiguous(3)); |
| 144 | + |
| 145 | + // memref<?x2x2xf32, strided<[4,2,1]> |
| 146 | + auto m10 = MemRefType::get({_, 2, 2}, f32, strided({4, 2, 1})); |
| 147 | + EXPECT_TRUE(m10.areTrailingDimsContiguous(1)); |
| 148 | + EXPECT_TRUE(m10.areTrailingDimsContiguous(2)); |
| 149 | + EXPECT_TRUE(m10.areTrailingDimsContiguous(3)); |
| 150 | + |
| 151 | + // memref<?x2x2xf32, strided<[8,2,1]> |
| 152 | + auto m11 = MemRefType::get({_, 2, 2}, f32, strided({8, 2, 1})); |
| 153 | + EXPECT_TRUE(m11.areTrailingDimsContiguous(1)); |
| 154 | + EXPECT_TRUE(m11.areTrailingDimsContiguous(2)); |
| 155 | + EXPECT_FALSE(m11.areTrailingDimsContiguous(3)); |
| 156 | + |
| 157 | + // memref<?x2x2xf32, strided<[8,4,1]> |
| 158 | + auto m12 = MemRefType::get({_, 2, 2}, f32, strided({8, 4, 1})); |
| 159 | + EXPECT_TRUE(m12.areTrailingDimsContiguous(1)); |
| 160 | + EXPECT_FALSE(m12.areTrailingDimsContiguous(2)); |
| 161 | + EXPECT_FALSE(m12.areTrailingDimsContiguous(3)); |
| 162 | + |
| 163 | + // memref<?x2x2xf32, strided<[8,4,2]> |
| 164 | + auto m13 = MemRefType::get({_, 2, 2}, f32, strided({8, 4, 2})); |
| 165 | + EXPECT_FALSE(m13.areTrailingDimsContiguous(1)); |
| 166 | + EXPECT_FALSE(m13.areTrailingDimsContiguous(2)); |
| 167 | + EXPECT_FALSE(m13.areTrailingDimsContiguous(3)); |
| 168 | +} |
| 169 | + |
| 170 | +TEST(MemRefLayout, identityMaps) { |
| 171 | + MLIRContext ctx; |
| 172 | + OpBuilder b(&ctx); |
| 173 | + |
| 174 | + const auto _ = ShapedType::kDynamic; |
| 175 | + const auto f32 = b.getF32Type(); |
| 176 | + |
| 177 | + // memref<2x2x2xf32> |
| 178 | + auto m1 = MemRefType::get({2, 2, 2}, f32); |
| 179 | + EXPECT_EQ(m1.getMaxCollapsableTrailingDims(), 3); |
| 180 | + EXPECT_TRUE(m1.areTrailingDimsContiguous(1)); |
| 181 | + EXPECT_TRUE(m1.areTrailingDimsContiguous(2)); |
| 182 | + EXPECT_TRUE(m1.areTrailingDimsContiguous(3)); |
| 183 | + |
| 184 | + // memref<?x?x?xf32> |
| 185 | + auto m2 = MemRefType::get({_, _, _}, f32); |
| 186 | + EXPECT_EQ(m2.getMaxCollapsableTrailingDims(), 3); |
| 187 | + EXPECT_TRUE(m2.areTrailingDimsContiguous(1)); |
| 188 | + EXPECT_TRUE(m2.areTrailingDimsContiguous(2)); |
| 189 | + EXPECT_TRUE(m2.areTrailingDimsContiguous(3)); |
| 190 | +} |
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