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Diffstat (limited to 'contrib/llvm/unittests/Support/ConstantRangeTest.cpp')
| -rw-r--r-- | contrib/llvm/unittests/Support/ConstantRangeTest.cpp | 351 |
1 files changed, 0 insertions, 351 deletions
diff --git a/contrib/llvm/unittests/Support/ConstantRangeTest.cpp b/contrib/llvm/unittests/Support/ConstantRangeTest.cpp deleted file mode 100644 index 6b8d01d..0000000 --- a/contrib/llvm/unittests/Support/ConstantRangeTest.cpp +++ /dev/null @@ -1,351 +0,0 @@ -//===- llvm/unittest/Support/ConstantRangeTest.cpp - ConstantRange tests --===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "llvm/Support/ConstantRange.h" - -#include "gtest/gtest.h" - -using namespace llvm; - -namespace { - -class ConstantRangeTest : public ::testing::Test { -protected: - static ConstantRange Full; - static ConstantRange Empty; - static ConstantRange One; - static ConstantRange Some; - static ConstantRange Wrap; -}; - -ConstantRange ConstantRangeTest::Full(16); -ConstantRange ConstantRangeTest::Empty(16, false); -ConstantRange ConstantRangeTest::One(APInt(16, 0xa)); -ConstantRange ConstantRangeTest::Some(APInt(16, 0xa), APInt(16, 0xaaa)); -ConstantRange ConstantRangeTest::Wrap(APInt(16, 0xaaa), APInt(16, 0xa)); - -TEST_F(ConstantRangeTest, Basics) { - EXPECT_TRUE(Full.isFullSet()); - EXPECT_FALSE(Full.isEmptySet()); - EXPECT_FALSE(Full.isWrappedSet()); - EXPECT_TRUE(Full.contains(APInt(16, 0x0))); - EXPECT_TRUE(Full.contains(APInt(16, 0x9))); - EXPECT_TRUE(Full.contains(APInt(16, 0xa))); - EXPECT_TRUE(Full.contains(APInt(16, 0xaa9))); - EXPECT_TRUE(Full.contains(APInt(16, 0xaaa))); - - EXPECT_FALSE(Empty.isFullSet()); - EXPECT_TRUE(Empty.isEmptySet()); - EXPECT_FALSE(Empty.isWrappedSet()); - EXPECT_FALSE(Empty.contains(APInt(16, 0x0))); - EXPECT_FALSE(Empty.contains(APInt(16, 0x9))); - EXPECT_FALSE(Empty.contains(APInt(16, 0xa))); - EXPECT_FALSE(Empty.contains(APInt(16, 0xaa9))); - EXPECT_FALSE(Empty.contains(APInt(16, 0xaaa))); - - EXPECT_FALSE(One.isFullSet()); - EXPECT_FALSE(One.isEmptySet()); - EXPECT_FALSE(One.isWrappedSet()); - EXPECT_FALSE(One.contains(APInt(16, 0x0))); - EXPECT_FALSE(One.contains(APInt(16, 0x9))); - EXPECT_TRUE(One.contains(APInt(16, 0xa))); - EXPECT_FALSE(One.contains(APInt(16, 0xaa9))); - EXPECT_FALSE(One.contains(APInt(16, 0xaaa))); - - EXPECT_FALSE(Some.isFullSet()); - EXPECT_FALSE(Some.isEmptySet()); - EXPECT_FALSE(Some.isWrappedSet()); - EXPECT_FALSE(Some.contains(APInt(16, 0x0))); - EXPECT_FALSE(Some.contains(APInt(16, 0x9))); - EXPECT_TRUE(Some.contains(APInt(16, 0xa))); - EXPECT_TRUE(Some.contains(APInt(16, 0xaa9))); - EXPECT_FALSE(Some.contains(APInt(16, 0xaaa))); - - EXPECT_FALSE(Wrap.isFullSet()); - EXPECT_FALSE(Wrap.isEmptySet()); - EXPECT_TRUE(Wrap.isWrappedSet()); - EXPECT_TRUE(Wrap.contains(APInt(16, 0x0))); - EXPECT_TRUE(Wrap.contains(APInt(16, 0x9))); - EXPECT_FALSE(Wrap.contains(APInt(16, 0xa))); - EXPECT_FALSE(Wrap.contains(APInt(16, 0xaa9))); - EXPECT_TRUE(Wrap.contains(APInt(16, 0xaaa))); -} - -TEST_F(ConstantRangeTest, Equality) { - EXPECT_EQ(Full, Full); - EXPECT_EQ(Empty, Empty); - EXPECT_EQ(One, One); - EXPECT_EQ(Some, Some); - EXPECT_EQ(Wrap, Wrap); - EXPECT_NE(Full, Empty); - EXPECT_NE(Full, One); - EXPECT_NE(Full, Some); - EXPECT_NE(Full, Wrap); - EXPECT_NE(Empty, One); - EXPECT_NE(Empty, Some); - EXPECT_NE(Empty, Wrap); - EXPECT_NE(One, Some); - EXPECT_NE(One, Wrap); - EXPECT_NE(Some, Wrap); -} - -TEST_F(ConstantRangeTest, SingleElement) { - EXPECT_EQ(Full.getSingleElement(), static_cast<APInt *>(NULL)); - EXPECT_EQ(Empty.getSingleElement(), static_cast<APInt *>(NULL)); - EXPECT_EQ(*One.getSingleElement(), APInt(16, 0xa)); - EXPECT_EQ(Some.getSingleElement(), static_cast<APInt *>(NULL)); - EXPECT_EQ(Wrap.getSingleElement(), static_cast<APInt *>(NULL)); - - EXPECT_FALSE(Full.isSingleElement()); - EXPECT_FALSE(Empty.isSingleElement()); - EXPECT_TRUE(One.isSingleElement()); - EXPECT_FALSE(Some.isSingleElement()); - EXPECT_FALSE(Wrap.isSingleElement()); -} - -TEST_F(ConstantRangeTest, GetSetSize) { - EXPECT_EQ(Full.getSetSize(), APInt(16, 0)); - EXPECT_EQ(Empty.getSetSize(), APInt(16, 0)); - EXPECT_EQ(One.getSetSize(), APInt(16, 1)); - EXPECT_EQ(Some.getSetSize(), APInt(16, 0xaa0)); - EXPECT_EQ(Wrap.getSetSize(), APInt(16, 0x10000 - 0xaa0)); -} - -TEST_F(ConstantRangeTest, GetMinsAndMaxes) { - EXPECT_EQ(Full.getUnsignedMax(), APInt(16, UINT16_MAX)); - EXPECT_EQ(One.getUnsignedMax(), APInt(16, 0xa)); - EXPECT_EQ(Some.getUnsignedMax(), APInt(16, 0xaa9)); - EXPECT_EQ(Wrap.getUnsignedMax(), APInt(16, UINT16_MAX)); - - EXPECT_EQ(Full.getUnsignedMin(), APInt(16, 0)); - EXPECT_EQ(One.getUnsignedMin(), APInt(16, 0xa)); - EXPECT_EQ(Some.getUnsignedMin(), APInt(16, 0xa)); - EXPECT_EQ(Wrap.getUnsignedMin(), APInt(16, 0)); - - EXPECT_EQ(Full.getSignedMax(), APInt(16, INT16_MAX)); - EXPECT_EQ(One.getSignedMax(), APInt(16, 0xa)); - EXPECT_EQ(Some.getSignedMax(), APInt(16, 0xaa9)); - EXPECT_EQ(Wrap.getSignedMax(), APInt(16, INT16_MAX)); - - EXPECT_EQ(Full.getSignedMin(), APInt(16, (uint64_t)INT16_MIN)); - EXPECT_EQ(One.getSignedMin(), APInt(16, 0xa)); - EXPECT_EQ(Some.getSignedMin(), APInt(16, 0xa)); - EXPECT_EQ(Wrap.getSignedMin(), APInt(16, (uint64_t)INT16_MIN)); - - // Found by Klee - EXPECT_EQ(ConstantRange(APInt(4, 7), APInt(4, 0)).getSignedMax(), - APInt(4, 7)); -} - -TEST_F(ConstantRangeTest, Trunc) { - ConstantRange TFull = Full.truncate(10); - ConstantRange TEmpty = Empty.truncate(10); - ConstantRange TOne = One.truncate(10); - ConstantRange TSome = Some.truncate(10); - ConstantRange TWrap = Wrap.truncate(10); - EXPECT_TRUE(TFull.isFullSet()); - EXPECT_TRUE(TEmpty.isEmptySet()); - EXPECT_EQ(TOne, ConstantRange(APInt(One.getLower()).trunc(10), - APInt(One.getUpper()).trunc(10))); - EXPECT_TRUE(TSome.isFullSet()); -} - -TEST_F(ConstantRangeTest, ZExt) { - ConstantRange ZFull = Full.zeroExtend(20); - ConstantRange ZEmpty = Empty.zeroExtend(20); - ConstantRange ZOne = One.zeroExtend(20); - ConstantRange ZSome = Some.zeroExtend(20); - ConstantRange ZWrap = Wrap.zeroExtend(20); - EXPECT_EQ(ZFull, ConstantRange(APInt(20, 0), APInt(20, 0x10000))); - EXPECT_TRUE(ZEmpty.isEmptySet()); - EXPECT_EQ(ZOne, ConstantRange(APInt(One.getLower()).zext(20), - APInt(One.getUpper()).zext(20))); - EXPECT_EQ(ZSome, ConstantRange(APInt(Some.getLower()).zext(20), - APInt(Some.getUpper()).zext(20))); - EXPECT_EQ(ZWrap, ConstantRange(APInt(Wrap.getLower()).zext(20), - APInt(Wrap.getUpper()).zext(20))); -} - -TEST_F(ConstantRangeTest, SExt) { - ConstantRange SFull = Full.signExtend(20); - ConstantRange SEmpty = Empty.signExtend(20); - ConstantRange SOne = One.signExtend(20); - ConstantRange SSome = Some.signExtend(20); - ConstantRange SWrap = Wrap.signExtend(20); - EXPECT_EQ(SFull, ConstantRange(APInt(20, (uint64_t)INT16_MIN, true), - APInt(20, INT16_MAX + 1, true))); - EXPECT_TRUE(SEmpty.isEmptySet()); - EXPECT_EQ(SOne, ConstantRange(APInt(One.getLower()).sext(20), - APInt(One.getUpper()).sext(20))); - EXPECT_EQ(SSome, ConstantRange(APInt(Some.getLower()).sext(20), - APInt(Some.getUpper()).sext(20))); - EXPECT_EQ(SWrap, ConstantRange(APInt(Wrap.getLower()).sext(20), - APInt(Wrap.getUpper()).sext(20))); -} - -TEST_F(ConstantRangeTest, IntersectWith) { - EXPECT_EQ(Empty.intersectWith(Full), Empty); - EXPECT_EQ(Empty.intersectWith(Empty), Empty); - EXPECT_EQ(Empty.intersectWith(One), Empty); - EXPECT_EQ(Empty.intersectWith(Some), Empty); - EXPECT_EQ(Empty.intersectWith(Wrap), Empty); - EXPECT_EQ(Full.intersectWith(Full), Full); - EXPECT_EQ(Some.intersectWith(Some), Some); - EXPECT_EQ(Some.intersectWith(One), One); - EXPECT_EQ(Full.intersectWith(One), One); - EXPECT_EQ(Full.intersectWith(Some), Some); - EXPECT_EQ(Some.intersectWith(Wrap), Empty); - EXPECT_EQ(One.intersectWith(Wrap), Empty); - EXPECT_EQ(One.intersectWith(Wrap), Wrap.intersectWith(One)); - - // Klee generated testcase from PR4545. - // The intersection of i16 [4, 2) and [6, 5) is disjoint, looking like - // 01..4.6789ABCDEF where the dots represent values not in the intersection. - ConstantRange LHS(APInt(16, 4), APInt(16, 2)); - ConstantRange RHS(APInt(16, 6), APInt(16, 5)); - EXPECT_TRUE(LHS.intersectWith(RHS) == LHS); -} - -TEST_F(ConstantRangeTest, UnionWith) { - EXPECT_EQ(Wrap.unionWith(One), - ConstantRange(APInt(16, 0xaaa), APInt(16, 0xb))); - EXPECT_EQ(One.unionWith(Wrap), Wrap.unionWith(One)); - EXPECT_EQ(Empty.unionWith(Empty), Empty); - EXPECT_EQ(Full.unionWith(Full), Full); - EXPECT_EQ(Some.unionWith(Wrap), Full); - - // PR4545 - EXPECT_EQ(ConstantRange(APInt(16, 14), APInt(16, 1)).unionWith( - ConstantRange(APInt(16, 0), APInt(16, 8))), - ConstantRange(APInt(16, 14), APInt(16, 8))); - EXPECT_EQ(ConstantRange(APInt(16, 6), APInt(16, 4)).unionWith( - ConstantRange(APInt(16, 4), APInt(16, 0))), - ConstantRange(16)); - EXPECT_EQ(ConstantRange(APInt(16, 1), APInt(16, 0)).unionWith( - ConstantRange(APInt(16, 2), APInt(16, 1))), - ConstantRange(16)); -} - -TEST_F(ConstantRangeTest, SubtractAPInt) { - EXPECT_EQ(Full.subtract(APInt(16, 4)), Full); - EXPECT_EQ(Empty.subtract(APInt(16, 4)), Empty); - EXPECT_EQ(Some.subtract(APInt(16, 4)), - ConstantRange(APInt(16, 0x6), APInt(16, 0xaa6))); - EXPECT_EQ(Wrap.subtract(APInt(16, 4)), - ConstantRange(APInt(16, 0xaa6), APInt(16, 0x6))); - EXPECT_EQ(One.subtract(APInt(16, 4)), - ConstantRange(APInt(16, 0x6))); -} - -TEST_F(ConstantRangeTest, Add) { - EXPECT_EQ(Full.add(APInt(16, 4)), Full); - EXPECT_EQ(Full.add(Full), Full); - EXPECT_EQ(Full.add(Empty), Empty); - EXPECT_EQ(Full.add(One), Full); - EXPECT_EQ(Full.add(Some), Full); - EXPECT_EQ(Full.add(Wrap), Full); - EXPECT_EQ(Empty.add(Empty), Empty); - EXPECT_EQ(Empty.add(One), Empty); - EXPECT_EQ(Empty.add(Some), Empty); - EXPECT_EQ(Empty.add(Wrap), Empty); - EXPECT_EQ(Empty.add(APInt(16, 4)), Empty); - EXPECT_EQ(Some.add(APInt(16, 4)), - ConstantRange(APInt(16, 0xe), APInt(16, 0xaae))); - EXPECT_EQ(Wrap.add(APInt(16, 4)), - ConstantRange(APInt(16, 0xaae), APInt(16, 0xe))); - EXPECT_EQ(One.add(APInt(16, 4)), - ConstantRange(APInt(16, 0xe))); -} - -TEST_F(ConstantRangeTest, Multiply) { - EXPECT_EQ(Full.multiply(Full), Full); - EXPECT_EQ(Full.multiply(Empty), Empty); - EXPECT_EQ(Full.multiply(One), Full); - EXPECT_EQ(Full.multiply(Some), Full); - EXPECT_EQ(Full.multiply(Wrap), Full); - EXPECT_EQ(Empty.multiply(Empty), Empty); - EXPECT_EQ(Empty.multiply(One), Empty); - EXPECT_EQ(Empty.multiply(Some), Empty); - EXPECT_EQ(Empty.multiply(Wrap), Empty); - EXPECT_EQ(One.multiply(One), ConstantRange(APInt(16, 0xa*0xa), - APInt(16, 0xa*0xa + 1))); - EXPECT_EQ(One.multiply(Some), ConstantRange(APInt(16, 0xa*0xa), - APInt(16, 0xa*0xaa9 + 1))); - EXPECT_EQ(One.multiply(Wrap), Full); - EXPECT_EQ(Some.multiply(Some), Full); - EXPECT_EQ(Some.multiply(Wrap), Full); - EXPECT_EQ(Wrap.multiply(Wrap), Full); - - // http://llvm.org/PR4545 - EXPECT_EQ(ConstantRange(APInt(4, 1), APInt(4, 6)).multiply( - ConstantRange(APInt(4, 6), APInt(4, 2))), - ConstantRange(4, /*isFullSet=*/true)); -} - -TEST_F(ConstantRangeTest, UMax) { - EXPECT_EQ(Full.umax(Full), Full); - EXPECT_EQ(Full.umax(Empty), Empty); - EXPECT_EQ(Full.umax(Some), ConstantRange(APInt(16, 0xa), APInt(16, 0))); - EXPECT_EQ(Full.umax(Wrap), Full); - EXPECT_EQ(Full.umax(Some), ConstantRange(APInt(16, 0xa), APInt(16, 0))); - EXPECT_EQ(Empty.umax(Empty), Empty); - EXPECT_EQ(Empty.umax(Some), Empty); - EXPECT_EQ(Empty.umax(Wrap), Empty); - EXPECT_EQ(Empty.umax(One), Empty); - EXPECT_EQ(Some.umax(Some), Some); - EXPECT_EQ(Some.umax(Wrap), ConstantRange(APInt(16, 0xa), APInt(16, 0))); - EXPECT_EQ(Some.umax(One), Some); - // TODO: ConstantRange is currently over-conservative here. - EXPECT_EQ(Wrap.umax(Wrap), Full); - EXPECT_EQ(Wrap.umax(One), ConstantRange(APInt(16, 0xa), APInt(16, 0))); - EXPECT_EQ(One.umax(One), One); -} - -TEST_F(ConstantRangeTest, SMax) { - EXPECT_EQ(Full.smax(Full), Full); - EXPECT_EQ(Full.smax(Empty), Empty); - EXPECT_EQ(Full.smax(Some), ConstantRange(APInt(16, 0xa), - APInt::getSignedMinValue(16))); - EXPECT_EQ(Full.smax(Wrap), Full); - EXPECT_EQ(Full.smax(One), ConstantRange(APInt(16, 0xa), - APInt::getSignedMinValue(16))); - EXPECT_EQ(Empty.smax(Empty), Empty); - EXPECT_EQ(Empty.smax(Some), Empty); - EXPECT_EQ(Empty.smax(Wrap), Empty); - EXPECT_EQ(Empty.smax(One), Empty); - EXPECT_EQ(Some.smax(Some), Some); - EXPECT_EQ(Some.smax(Wrap), ConstantRange(APInt(16, 0xa), - APInt(16, (uint64_t)INT16_MIN))); - EXPECT_EQ(Some.smax(One), Some); - EXPECT_EQ(Wrap.smax(One), ConstantRange(APInt(16, 0xa), - APInt(16, (uint64_t)INT16_MIN))); - EXPECT_EQ(One.smax(One), One); -} - -TEST_F(ConstantRangeTest, UDiv) { - EXPECT_EQ(Full.udiv(Full), Full); - EXPECT_EQ(Full.udiv(Empty), Empty); - EXPECT_EQ(Full.udiv(One), ConstantRange(APInt(16, 0), - APInt(16, 0xffff / 0xa + 1))); - EXPECT_EQ(Full.udiv(Some), ConstantRange(APInt(16, 0), - APInt(16, 0xffff / 0xa + 1))); - EXPECT_EQ(Full.udiv(Wrap), Full); - EXPECT_EQ(Empty.udiv(Empty), Empty); - EXPECT_EQ(Empty.udiv(One), Empty); - EXPECT_EQ(Empty.udiv(Some), Empty); - EXPECT_EQ(Empty.udiv(Wrap), Empty); - EXPECT_EQ(One.udiv(One), ConstantRange(APInt(16, 1))); - EXPECT_EQ(One.udiv(Some), ConstantRange(APInt(16, 0), APInt(16, 2))); - EXPECT_EQ(One.udiv(Wrap), ConstantRange(APInt(16, 0), APInt(16, 0xb))); - EXPECT_EQ(Some.udiv(Some), ConstantRange(APInt(16, 0), APInt(16, 0x111))); - EXPECT_EQ(Some.udiv(Wrap), ConstantRange(APInt(16, 0), APInt(16, 0xaaa))); - EXPECT_EQ(Wrap.udiv(Wrap), Full); -} - -} // anonymous namespace |
