Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 1 | //===- llvm/unittest/Support/ConstantRangeTest.cpp - ConstantRange tests --===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | #include "llvm/Support/ConstantRange.h" |
| 11 | |
| 12 | #include "gtest/gtest.h" |
| 13 | |
| 14 | using namespace llvm; |
| 15 | |
| 16 | namespace { |
| 17 | |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 18 | class ConstantRangeTest : public ::testing::Test { |
| 19 | protected: |
| 20 | static ConstantRange Full; |
| 21 | static ConstantRange Empty; |
| 22 | static ConstantRange One; |
| 23 | static ConstantRange Some; |
| 24 | static ConstantRange Wrap; |
| 25 | }; |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 26 | |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 27 | ConstantRange ConstantRangeTest::Full(16); |
| 28 | ConstantRange ConstantRangeTest::Empty(16, false); |
| 29 | ConstantRange ConstantRangeTest::One(APInt(16, 0xa)); |
| 30 | ConstantRange ConstantRangeTest::Some(APInt(16, 0xa), APInt(16, 0xaaa)); |
| 31 | ConstantRange ConstantRangeTest::Wrap(APInt(16, 0xaaa), APInt(16, 0xa)); |
| 32 | |
| 33 | TEST_F(ConstantRangeTest, Basics) { |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 34 | EXPECT_TRUE(Full.isFullSet()); |
| 35 | EXPECT_FALSE(Full.isEmptySet()); |
| 36 | EXPECT_FALSE(Full.isWrappedSet()); |
| 37 | EXPECT_TRUE(Full.contains(APInt(16, 0x0))); |
| 38 | EXPECT_TRUE(Full.contains(APInt(16, 0x9))); |
| 39 | EXPECT_TRUE(Full.contains(APInt(16, 0xa))); |
| 40 | EXPECT_TRUE(Full.contains(APInt(16, 0xaa9))); |
| 41 | EXPECT_TRUE(Full.contains(APInt(16, 0xaaa))); |
| 42 | |
| 43 | EXPECT_FALSE(Empty.isFullSet()); |
| 44 | EXPECT_TRUE(Empty.isEmptySet()); |
| 45 | EXPECT_FALSE(Empty.isWrappedSet()); |
| 46 | EXPECT_FALSE(Empty.contains(APInt(16, 0x0))); |
| 47 | EXPECT_FALSE(Empty.contains(APInt(16, 0x9))); |
| 48 | EXPECT_FALSE(Empty.contains(APInt(16, 0xa))); |
| 49 | EXPECT_FALSE(Empty.contains(APInt(16, 0xaa9))); |
| 50 | EXPECT_FALSE(Empty.contains(APInt(16, 0xaaa))); |
| 51 | |
| 52 | EXPECT_FALSE(One.isFullSet()); |
| 53 | EXPECT_FALSE(One.isEmptySet()); |
| 54 | EXPECT_FALSE(One.isWrappedSet()); |
| 55 | EXPECT_FALSE(One.contains(APInt(16, 0x0))); |
| 56 | EXPECT_FALSE(One.contains(APInt(16, 0x9))); |
| 57 | EXPECT_TRUE(One.contains(APInt(16, 0xa))); |
| 58 | EXPECT_FALSE(One.contains(APInt(16, 0xaa9))); |
| 59 | EXPECT_FALSE(One.contains(APInt(16, 0xaaa))); |
| 60 | |
| 61 | EXPECT_FALSE(Some.isFullSet()); |
| 62 | EXPECT_FALSE(Some.isEmptySet()); |
| 63 | EXPECT_FALSE(Some.isWrappedSet()); |
| 64 | EXPECT_FALSE(Some.contains(APInt(16, 0x0))); |
| 65 | EXPECT_FALSE(Some.contains(APInt(16, 0x9))); |
| 66 | EXPECT_TRUE(Some.contains(APInt(16, 0xa))); |
| 67 | EXPECT_TRUE(Some.contains(APInt(16, 0xaa9))); |
| 68 | EXPECT_FALSE(Some.contains(APInt(16, 0xaaa))); |
| 69 | |
| 70 | EXPECT_FALSE(Wrap.isFullSet()); |
| 71 | EXPECT_FALSE(Wrap.isEmptySet()); |
| 72 | EXPECT_TRUE(Wrap.isWrappedSet()); |
| 73 | EXPECT_TRUE(Wrap.contains(APInt(16, 0x0))); |
| 74 | EXPECT_TRUE(Wrap.contains(APInt(16, 0x9))); |
| 75 | EXPECT_FALSE(Wrap.contains(APInt(16, 0xa))); |
| 76 | EXPECT_FALSE(Wrap.contains(APInt(16, 0xaa9))); |
| 77 | EXPECT_TRUE(Wrap.contains(APInt(16, 0xaaa))); |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 78 | } |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 79 | |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 80 | TEST_F(ConstantRangeTest, Equality) { |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 81 | EXPECT_EQ(Full, Full); |
| 82 | EXPECT_EQ(Empty, Empty); |
| 83 | EXPECT_EQ(One, One); |
| 84 | EXPECT_EQ(Some, Some); |
| 85 | EXPECT_EQ(Wrap, Wrap); |
| 86 | EXPECT_NE(Full, Empty); |
| 87 | EXPECT_NE(Full, One); |
| 88 | EXPECT_NE(Full, Some); |
| 89 | EXPECT_NE(Full, Wrap); |
| 90 | EXPECT_NE(Empty, One); |
| 91 | EXPECT_NE(Empty, Some); |
| 92 | EXPECT_NE(Empty, Wrap); |
| 93 | EXPECT_NE(One, Some); |
| 94 | EXPECT_NE(One, Wrap); |
| 95 | EXPECT_NE(Some, Wrap); |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 96 | } |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 97 | |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 98 | TEST_F(ConstantRangeTest, SingleElement) { |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 99 | EXPECT_EQ(Full.getSingleElement(), static_cast<APInt *>(NULL)); |
| 100 | EXPECT_EQ(Empty.getSingleElement(), static_cast<APInt *>(NULL)); |
| 101 | EXPECT_EQ(*One.getSingleElement(), APInt(16, 0xa)); |
| 102 | EXPECT_EQ(Some.getSingleElement(), static_cast<APInt *>(NULL)); |
| 103 | EXPECT_EQ(Wrap.getSingleElement(), static_cast<APInt *>(NULL)); |
| 104 | |
| 105 | EXPECT_FALSE(Full.isSingleElement()); |
| 106 | EXPECT_FALSE(Empty.isSingleElement()); |
| 107 | EXPECT_TRUE(One.isSingleElement()); |
| 108 | EXPECT_FALSE(Some.isSingleElement()); |
| 109 | EXPECT_FALSE(Wrap.isSingleElement()); |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 110 | } |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 111 | |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 112 | TEST_F(ConstantRangeTest, GetSetSize) { |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 113 | EXPECT_EQ(Full.getSetSize(), APInt(16, 0)); |
| 114 | EXPECT_EQ(Empty.getSetSize(), APInt(16, 0)); |
| 115 | EXPECT_EQ(One.getSetSize(), APInt(16, 1)); |
| 116 | EXPECT_EQ(Some.getSetSize(), APInt(16, 0xaa0)); |
| 117 | EXPECT_EQ(Wrap.getSetSize(), APInt(16, 0x10000 - 0xaa0)); |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 118 | } |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 119 | |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 120 | TEST_F(ConstantRangeTest, GetMinsAndMaxes) { |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 121 | EXPECT_EQ(Full.getUnsignedMax(), APInt(16, UINT16_MAX)); |
| 122 | EXPECT_EQ(One.getUnsignedMax(), APInt(16, 0xa)); |
| 123 | EXPECT_EQ(Some.getUnsignedMax(), APInt(16, 0xaa9)); |
| 124 | EXPECT_EQ(Wrap.getUnsignedMax(), APInt(16, UINT16_MAX)); |
| 125 | |
| 126 | EXPECT_EQ(Full.getUnsignedMin(), APInt(16, 0)); |
| 127 | EXPECT_EQ(One.getUnsignedMin(), APInt(16, 0xa)); |
| 128 | EXPECT_EQ(Some.getUnsignedMin(), APInt(16, 0xa)); |
| 129 | EXPECT_EQ(Wrap.getUnsignedMin(), APInt(16, 0)); |
| 130 | |
| 131 | EXPECT_EQ(Full.getSignedMax(), APInt(16, INT16_MAX)); |
| 132 | EXPECT_EQ(One.getSignedMax(), APInt(16, 0xa)); |
| 133 | EXPECT_EQ(Some.getSignedMax(), APInt(16, 0xaa9)); |
| 134 | EXPECT_EQ(Wrap.getSignedMax(), APInt(16, INT16_MAX)); |
| 135 | |
| 136 | EXPECT_EQ(Full.getSignedMin(), APInt(16, INT16_MIN)); |
| 137 | EXPECT_EQ(One.getSignedMin(), APInt(16, 0xa)); |
| 138 | EXPECT_EQ(Some.getSignedMin(), APInt(16, 0xa)); |
| 139 | EXPECT_EQ(Wrap.getSignedMin(), APInt(16, INT16_MIN)); |
Nick Lewycky | 780905e | 2009-07-13 04:50:21 +0000 | [diff] [blame] | 140 | |
| 141 | // Found by Klee |
| 142 | EXPECT_EQ(ConstantRange(APInt(4, 7), APInt(4, 0)).getSignedMax(), |
| 143 | APInt(4, 7)); |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 144 | } |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 145 | |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 146 | TEST_F(ConstantRangeTest, Trunc) { |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 147 | ConstantRange TFull = Full.truncate(10); |
| 148 | ConstantRange TEmpty = Empty.truncate(10); |
| 149 | ConstantRange TOne = One.truncate(10); |
| 150 | ConstantRange TSome = Some.truncate(10); |
| 151 | ConstantRange TWrap = Wrap.truncate(10); |
| 152 | EXPECT_TRUE(TFull.isFullSet()); |
| 153 | EXPECT_TRUE(TEmpty.isEmptySet()); |
| 154 | EXPECT_EQ(TOne, ConstantRange(APInt(One.getLower()).trunc(10), |
| 155 | APInt(One.getUpper()).trunc(10))); |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 156 | EXPECT_TRUE(TSome.isFullSet()); |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 157 | } |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 158 | |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 159 | TEST_F(ConstantRangeTest, ZExt) { |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 160 | ConstantRange ZFull = Full.zeroExtend(20); |
| 161 | ConstantRange ZEmpty = Empty.zeroExtend(20); |
| 162 | ConstantRange ZOne = One.zeroExtend(20); |
| 163 | ConstantRange ZSome = Some.zeroExtend(20); |
| 164 | ConstantRange ZWrap = Wrap.zeroExtend(20); |
| 165 | EXPECT_EQ(ZFull, ConstantRange(APInt(20, 0), APInt(20, 0x10000))); |
| 166 | EXPECT_TRUE(ZEmpty.isEmptySet()); |
| 167 | EXPECT_EQ(ZOne, ConstantRange(APInt(One.getLower()).zext(20), |
| 168 | APInt(One.getUpper()).zext(20))); |
| 169 | EXPECT_EQ(ZSome, ConstantRange(APInt(Some.getLower()).zext(20), |
| 170 | APInt(Some.getUpper()).zext(20))); |
| 171 | EXPECT_EQ(ZWrap, ConstantRange(APInt(Wrap.getLower()).zext(20), |
| 172 | APInt(Wrap.getUpper()).zext(20))); |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 173 | } |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 174 | |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 175 | TEST_F(ConstantRangeTest, SExt) { |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 176 | ConstantRange SFull = Full.signExtend(20); |
| 177 | ConstantRange SEmpty = Empty.signExtend(20); |
| 178 | ConstantRange SOne = One.signExtend(20); |
| 179 | ConstantRange SSome = Some.signExtend(20); |
| 180 | ConstantRange SWrap = Wrap.signExtend(20); |
| 181 | EXPECT_EQ(SFull, ConstantRange(APInt(20, INT16_MIN, true), |
Nick Lewycky | ff84de7 | 2009-07-13 04:17:23 +0000 | [diff] [blame] | 182 | APInt(20, INT16_MAX + 1, true))); |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 183 | EXPECT_TRUE(SEmpty.isEmptySet()); |
| 184 | EXPECT_EQ(SOne, ConstantRange(APInt(One.getLower()).sext(20), |
| 185 | APInt(One.getUpper()).sext(20))); |
| 186 | EXPECT_EQ(SSome, ConstantRange(APInt(Some.getLower()).sext(20), |
| 187 | APInt(Some.getUpper()).sext(20))); |
| 188 | EXPECT_EQ(SWrap, ConstantRange(APInt(Wrap.getLower()).sext(20), |
| 189 | APInt(Wrap.getUpper()).sext(20))); |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 190 | } |
| 191 | |
| 192 | TEST_F(ConstantRangeTest, IntersectWith) { |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 193 | EXPECT_TRUE(Empty.intersectWith(Full).isEmptySet()); |
| 194 | EXPECT_TRUE(Empty.intersectWith(Empty).isEmptySet()); |
| 195 | EXPECT_TRUE(Empty.intersectWith(One).isEmptySet()); |
| 196 | EXPECT_TRUE(Empty.intersectWith(Some).isEmptySet()); |
| 197 | EXPECT_TRUE(Empty.intersectWith(Wrap).isEmptySet()); |
| 198 | EXPECT_TRUE(Full.intersectWith(Full).isFullSet()); |
| 199 | EXPECT_TRUE(Some.intersectWith(Some) == Some); |
| 200 | EXPECT_TRUE(Some.intersectWith(One) == One); |
| 201 | EXPECT_TRUE(Full.intersectWith(One) == One); |
| 202 | EXPECT_TRUE(Full.intersectWith(Some) == Some); |
| 203 | EXPECT_TRUE(Some.intersectWith(Wrap).isEmptySet()); |
| 204 | EXPECT_TRUE(One.intersectWith(Wrap).isEmptySet()); |
| 205 | EXPECT_EQ(One.intersectWith(Wrap), Wrap.intersectWith(One)); |
| 206 | |
Nick Lewycky | 3a4a884 | 2009-07-18 06:34:42 +0000 | [diff] [blame] | 207 | // Klee generated testcase from PR4545. |
| 208 | // The intersection of i16 [4, 2) and [6, 5) is disjoint, looking like |
| 209 | // 01..4.6789ABCDEF where the dots represent values not in the intersection. |
| 210 | ConstantRange LHS(APInt(16, 4), APInt(16, 2)); |
| 211 | ConstantRange RHS(APInt(16, 6), APInt(16, 5)); |
| 212 | EXPECT_EQ(LHS.intersectWith(RHS), LHS); |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 213 | } |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 214 | |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 215 | TEST_F(ConstantRangeTest, UnionWith) { |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 216 | EXPECT_EQ(Wrap.unionWith(One), |
| 217 | ConstantRange(APInt(16, 0xaaa), APInt(16, 0xb))); |
| 218 | EXPECT_EQ(One.unionWith(Wrap), Wrap.unionWith(One)); |
| 219 | EXPECT_TRUE(Empty.unionWith(Empty).isEmptySet()); |
| 220 | EXPECT_TRUE(Full.unionWith(Full).isFullSet()); |
| 221 | EXPECT_TRUE(Some.unionWith(Wrap).isFullSet()); |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 222 | } |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 223 | |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 224 | TEST_F(ConstantRangeTest, SubtractAPInt) { |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 225 | EXPECT_TRUE(Full.subtract(APInt(16, 4)).isFullSet()); |
| 226 | EXPECT_TRUE(Empty.subtract(APInt(16, 4)).isEmptySet()); |
| 227 | EXPECT_EQ(Some.subtract(APInt(16, 4)), |
| 228 | ConstantRange(APInt(16, 0x6), APInt(16, 0xaa6))); |
| 229 | EXPECT_EQ(Wrap.subtract(APInt(16, 4)), |
| 230 | ConstantRange(APInt(16, 0xaa6), APInt(16, 0x6))); |
| 231 | EXPECT_EQ(One.subtract(APInt(16, 4)), |
| 232 | ConstantRange(APInt(16, 0x6))); |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 233 | } |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 234 | |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 235 | TEST_F(ConstantRangeTest, Add) { |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 236 | EXPECT_TRUE(Full.add(APInt(16, 4)).isFullSet()); |
Nick Lewycky | cf9e07d | 2009-07-13 02:49:08 +0000 | [diff] [blame] | 237 | EXPECT_EQ(Full.add(Full), Full); |
Dan Gohman | 38b0644 | 2009-07-09 23:16:10 +0000 | [diff] [blame] | 238 | EXPECT_EQ(Full.add(Empty), Empty); |
| 239 | EXPECT_EQ(Full.add(One), Full); |
| 240 | EXPECT_EQ(Full.add(Some), Full); |
| 241 | EXPECT_EQ(Full.add(Wrap), Full); |
| 242 | EXPECT_EQ(Empty.add(Empty), Empty); |
| 243 | EXPECT_EQ(Empty.add(One), Empty); |
| 244 | EXPECT_EQ(Empty.add(Some), Empty); |
| 245 | EXPECT_EQ(Empty.add(Wrap), Empty); |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 246 | EXPECT_TRUE(Empty.add(APInt(16, 4)).isEmptySet()); |
| 247 | EXPECT_EQ(Some.add(APInt(16, 4)), |
| 248 | ConstantRange(APInt(16, 0xe), APInt(16, 0xaae))); |
| 249 | EXPECT_EQ(Wrap.add(APInt(16, 4)), |
| 250 | ConstantRange(APInt(16, 0xaae), APInt(16, 0xe))); |
| 251 | EXPECT_EQ(One.add(APInt(16, 4)), |
| 252 | ConstantRange(APInt(16, 0xe))); |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 253 | } |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 254 | |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 255 | TEST_F(ConstantRangeTest, Multiply) { |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 256 | EXPECT_EQ(Full.multiply(Full), Full); |
| 257 | EXPECT_EQ(Full.multiply(Empty), Empty); |
| 258 | EXPECT_EQ(Full.multiply(One), Full); |
| 259 | EXPECT_EQ(Full.multiply(Some), Full); |
| 260 | EXPECT_EQ(Full.multiply(Wrap), Full); |
| 261 | EXPECT_EQ(Empty.multiply(Empty), Empty); |
| 262 | EXPECT_EQ(Empty.multiply(One), Empty); |
| 263 | EXPECT_EQ(Empty.multiply(Some), Empty); |
| 264 | EXPECT_EQ(Empty.multiply(Wrap), Empty); |
Nick Lewycky | 2ff893f | 2009-07-12 02:19:05 +0000 | [diff] [blame] | 265 | EXPECT_EQ(One.multiply(One), ConstantRange(APInt(16, 0xa*0xa), |
| 266 | APInt(16, 0xa*0xa + 1))); |
| 267 | EXPECT_EQ(One.multiply(Some), ConstantRange(APInt(16, 0xa*0xa), |
| 268 | APInt(16, 0xa*0xaa9 + 1))); |
| 269 | EXPECT_TRUE(One.multiply(Wrap).isFullSet()); |
| 270 | EXPECT_TRUE(Some.multiply(Some).isFullSet()); |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 271 | EXPECT_EQ(Some.multiply(Wrap), Full); |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 272 | EXPECT_EQ(Wrap.multiply(Wrap), Full); |
Nick Lewycky | f1db120 | 2009-07-13 03:27:41 +0000 | [diff] [blame] | 273 | |
| 274 | // http://llvm.org/PR4545 |
| 275 | EXPECT_EQ(ConstantRange(APInt(4, 1), APInt(4, 6)).multiply( |
| 276 | ConstantRange(APInt(4, 6), APInt(4, 2))), |
| 277 | ConstantRange(4, /*isFullSet=*/true)); |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 278 | } |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 279 | |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 280 | TEST_F(ConstantRangeTest, UMax) { |
| 281 | EXPECT_TRUE(Full.umax(Full).isFullSet()); |
| 282 | EXPECT_TRUE(Full.umax(Empty).isEmptySet()); |
Nick Lewycky | 646ca92 | 2009-07-11 19:22:21 +0000 | [diff] [blame] | 283 | EXPECT_EQ(Full.umax(Some), ConstantRange(APInt(16, 0xa), APInt(16, 0))); |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 284 | EXPECT_TRUE(Full.umax(Wrap).isFullSet()); |
Nick Lewycky | 646ca92 | 2009-07-11 19:22:21 +0000 | [diff] [blame] | 285 | EXPECT_EQ(Full.umax(Some), ConstantRange(APInt(16, 0xa), APInt(16, 0))); |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 286 | EXPECT_EQ(Empty.umax(Empty), Empty); |
| 287 | EXPECT_EQ(Empty.umax(Some), Empty); |
| 288 | EXPECT_EQ(Empty.umax(Wrap), Empty); |
| 289 | EXPECT_EQ(Empty.umax(One), Empty); |
| 290 | EXPECT_EQ(Some.umax(Some), Some); |
| 291 | EXPECT_EQ(Some.umax(Wrap), ConstantRange(APInt(16, 0xa), APInt(16, 0))); |
| 292 | EXPECT_EQ(Some.umax(One), Some); |
| 293 | // TODO: ConstantRange is currently over-conservative here. |
| 294 | EXPECT_EQ(Wrap.umax(Wrap), Full); |
| 295 | EXPECT_EQ(Wrap.umax(One), ConstantRange(APInt(16, 0xa), APInt(16, 0))); |
| 296 | EXPECT_EQ(One.umax(One), One); |
| 297 | } |
| 298 | |
| 299 | TEST_F(ConstantRangeTest, SMax) { |
Dan Gohman | 38b0644 | 2009-07-09 23:16:10 +0000 | [diff] [blame] | 300 | EXPECT_TRUE(Full.smax(Full).isFullSet()); |
| 301 | EXPECT_TRUE(Full.smax(Empty).isEmptySet()); |
Nick Lewycky | 646ca92 | 2009-07-11 19:22:21 +0000 | [diff] [blame] | 302 | EXPECT_EQ(Full.smax(Some), ConstantRange(APInt(16, 0xa), |
| 303 | APInt::getSignedMinValue(16))); |
Dan Gohman | 38b0644 | 2009-07-09 23:16:10 +0000 | [diff] [blame] | 304 | EXPECT_TRUE(Full.smax(Wrap).isFullSet()); |
Nick Lewycky | 646ca92 | 2009-07-11 19:22:21 +0000 | [diff] [blame] | 305 | EXPECT_EQ(Full.smax(One), ConstantRange(APInt(16, 0xa), |
| 306 | APInt::getSignedMinValue(16))); |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 307 | EXPECT_EQ(Empty.smax(Empty), Empty); |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 308 | EXPECT_EQ(Empty.smax(Some), Empty); |
| 309 | EXPECT_EQ(Empty.smax(Wrap), Empty); |
Dan Gohman | 38b0644 | 2009-07-09 23:16:10 +0000 | [diff] [blame] | 310 | EXPECT_EQ(Empty.smax(One), Empty); |
| 311 | EXPECT_EQ(Some.smax(Some), Some); |
| 312 | EXPECT_EQ(Some.smax(Wrap), ConstantRange(APInt(16, 0xa), |
Nick Lewycky | 646ca92 | 2009-07-11 19:22:21 +0000 | [diff] [blame] | 313 | APInt(16, INT16_MIN))); |
Dan Gohman | 38b0644 | 2009-07-09 23:16:10 +0000 | [diff] [blame] | 314 | EXPECT_EQ(Some.smax(One), Some); |
| 315 | EXPECT_EQ(Wrap.smax(One), ConstantRange(APInt(16, 0xa), |
Nick Lewycky | 646ca92 | 2009-07-11 19:22:21 +0000 | [diff] [blame] | 316 | APInt(16, INT16_MIN))); |
Dan Gohman | 38b0644 | 2009-07-09 23:16:10 +0000 | [diff] [blame] | 317 | EXPECT_EQ(One.smax(One), One); |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 318 | } |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 319 | |
Nick Lewycky | 44b3e8d | 2009-07-11 18:43:20 +0000 | [diff] [blame] | 320 | TEST_F(ConstantRangeTest, UDiv) { |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 321 | EXPECT_EQ(Full.udiv(Full), Full); |
| 322 | EXPECT_EQ(Full.udiv(Empty), Empty); |
Nick Lewycky | 956daf0 | 2009-07-12 05:18:18 +0000 | [diff] [blame] | 323 | EXPECT_EQ(Full.udiv(One), ConstantRange(APInt(16, 0), |
| 324 | APInt(16, 0xffff / 0xa + 1))); |
| 325 | EXPECT_EQ(Full.udiv(Some), ConstantRange(APInt(16, 0), |
| 326 | APInt(16, 0xffff / 0xa + 1))); |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 327 | EXPECT_EQ(Full.udiv(Wrap), Full); |
| 328 | EXPECT_EQ(Empty.udiv(Empty), Empty); |
| 329 | EXPECT_EQ(Empty.udiv(One), Empty); |
| 330 | EXPECT_EQ(Empty.udiv(Some), Empty); |
| 331 | EXPECT_EQ(Empty.udiv(Wrap), Empty); |
Nick Lewycky | 956daf0 | 2009-07-12 05:18:18 +0000 | [diff] [blame] | 332 | EXPECT_EQ(One.udiv(One), ConstantRange(APInt(16, 1))); |
| 333 | EXPECT_EQ(One.udiv(Some), ConstantRange(APInt(16, 0), APInt(16, 2))); |
| 334 | EXPECT_EQ(One.udiv(Wrap), ConstantRange(APInt(16, 0), APInt(16, 0xb))); |
| 335 | EXPECT_EQ(Some.udiv(Some), ConstantRange(APInt(16, 0), APInt(16, 0x111))); |
| 336 | EXPECT_EQ(Some.udiv(Wrap), ConstantRange(APInt(16, 0), APInt(16, 0xaaa))); |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 337 | EXPECT_EQ(Wrap.udiv(Wrap), Full); |
Dan Gohman | a3755d8 | 2009-07-09 22:07:27 +0000 | [diff] [blame] | 338 | } |
| 339 | |
| 340 | } // anonymous namespace |