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Diffstat (limited to 'unittests/Support/ConstantRangeTest.cpp')
| -rw-r--r-- | unittests/Support/ConstantRangeTest.cpp | 582 |
1 files changed, 582 insertions, 0 deletions
diff --git a/unittests/Support/ConstantRangeTest.cpp b/unittests/Support/ConstantRangeTest.cpp new file mode 100644 index 0000000000..c5c575031d --- /dev/null +++ b/unittests/Support/ConstantRangeTest.cpp @@ -0,0 +1,582 @@ +//===- 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 { + +TEST(ConstantRangeTest, Unsigned) { + ConstantRange Full(16); + ConstantRange Empty(16, false); + ConstantRange One(APInt(16, 0xa)); + ConstantRange Some(APInt(16, 0xa), APInt(16, 0xaaa)); + ConstantRange Wrap(APInt(16, 0xaaa), APInt(16, 0xa)); + + 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))); + + 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); + + 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()); + + 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)); + + 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, INT16_MIN)); + EXPECT_EQ(One.getSignedMin(), APInt(16, 0xa)); + EXPECT_EQ(Some.getSignedMin(), APInt(16, 0xa)); + EXPECT_EQ(Wrap.getSignedMin(), APInt(16, INT16_MIN)); + + 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))); + // TODO: ConstantRange is currently over-conservative here. + EXPECT_TRUE(TSome.isFullSet()); + + 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))); + + 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, INT16_MIN, true), + APInt(20, INT16_MAX, 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))); + + EXPECT_TRUE(Empty.intersectWith(Full).isEmptySet()); + EXPECT_TRUE(Empty.intersectWith(Empty).isEmptySet()); + EXPECT_TRUE(Empty.intersectWith(One).isEmptySet()); + EXPECT_TRUE(Empty.intersectWith(Some).isEmptySet()); + EXPECT_TRUE(Empty.intersectWith(Wrap).isEmptySet()); + EXPECT_TRUE(Full.intersectWith(Full).isFullSet()); + EXPECT_TRUE(Some.intersectWith(Some) == Some); + EXPECT_TRUE(Some.intersectWith(One) == One); + EXPECT_TRUE(Full.intersectWith(One) == One); + EXPECT_TRUE(Full.intersectWith(Some) == Some); + EXPECT_TRUE(Some.intersectWith(Wrap).isEmptySet()); + EXPECT_TRUE(One.intersectWith(Wrap).isEmptySet()); + EXPECT_EQ(One.intersectWith(Wrap), Wrap.intersectWith(One)); + + EXPECT_TRUE(Empty.maximalIntersectWith(Full).isEmptySet()); + EXPECT_TRUE(Empty.maximalIntersectWith(Empty).isEmptySet()); + EXPECT_TRUE(Empty.maximalIntersectWith(One).isEmptySet()); + EXPECT_TRUE(Empty.maximalIntersectWith(Some).isEmptySet()); + EXPECT_TRUE(Empty.maximalIntersectWith(Wrap).isEmptySet()); + EXPECT_TRUE(Full.maximalIntersectWith(Full).isFullSet()); + EXPECT_TRUE(Some.maximalIntersectWith(Some) == Some); + EXPECT_TRUE(Some.maximalIntersectWith(One) == One); + EXPECT_TRUE(Full.maximalIntersectWith(One) == One); + EXPECT_TRUE(Full.maximalIntersectWith(Some) == Some); + EXPECT_TRUE(Some.maximalIntersectWith(Wrap).isEmptySet()); + EXPECT_TRUE(One.maximalIntersectWith(Wrap).isEmptySet()); + EXPECT_EQ(One.maximalIntersectWith(Wrap), Wrap.maximalIntersectWith(One)); + + EXPECT_EQ(Wrap.unionWith(One), + ConstantRange(APInt(16, 0xaaa), APInt(16, 0xb))); + EXPECT_EQ(One.unionWith(Wrap), Wrap.unionWith(One)); + EXPECT_TRUE(Empty.unionWith(Empty).isEmptySet()); + EXPECT_TRUE(Full.unionWith(Full).isFullSet()); + EXPECT_TRUE(Some.unionWith(Wrap).isFullSet()); + + EXPECT_TRUE(Full.subtract(APInt(16, 4)).isFullSet()); + EXPECT_TRUE(Empty.subtract(APInt(16, 4)).isEmptySet()); + 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))); + + EXPECT_TRUE(Full.add(APInt(16, 4)).isFullSet()); + EXPECT_TRUE(Empty.add(APInt(16, 4)).isEmptySet()); + 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))); + + EXPECT_TRUE(Full.umax(Full).isFullSet()); + EXPECT_TRUE(Full.umax(Empty).isEmptySet()); + EXPECT_TRUE(Full.umax(Some).isFullSet()); + EXPECT_TRUE(Full.umax(Wrap).isFullSet()); + EXPECT_TRUE(Full.umax(One).isFullSet()); + 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); + + 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); + // TODO: ConstantRange is currently over-conservative here. + EXPECT_EQ(One.multiply(One), Full); + // TODO: ConstantRange is currently over-conservative here. + EXPECT_EQ(One.multiply(Some), Full); + // TODO: ConstantRange is currently over-conservative here. + EXPECT_EQ(One.multiply(Wrap), Full); + // TODO: ConstantRange is currently over-conservative here. + EXPECT_EQ(Some.multiply(Some), Full); + // TODO: ConstantRange is currently over-conservative here. + EXPECT_EQ(Some.multiply(Wrap), Full); + // TODO: ConstantRange is currently over-conservative here. + EXPECT_EQ(Wrap.multiply(Wrap), Full); + + EXPECT_EQ(Full.smax(Full), Full); + EXPECT_EQ(Full.smax(Empty), Empty); + EXPECT_EQ(Full.smax(One), Full); + EXPECT_EQ(Full.smax(Some), Full); + EXPECT_EQ(Full.smax(Wrap), Full); + EXPECT_EQ(Empty.smax(Empty), Empty); + EXPECT_EQ(Empty.smax(One), Empty); + EXPECT_EQ(Empty.smax(Some), Empty); + EXPECT_EQ(Empty.smax(Wrap), Empty); + // TODO: ConstantRange is currently over-conservative here. + EXPECT_EQ(One.smax(One), Full); + // TODO: ConstantRange is currently over-conservative here. + EXPECT_EQ(One.smax(Some), Full); + // TODO: ConstantRange is currently over-conservative here. + EXPECT_EQ(One.smax(Wrap), Full); + // TODO: ConstantRange is currently over-conservative here. + EXPECT_EQ(Some.smax(Some), Full); + // TODO: ConstantRange is currently over-conservative here. + EXPECT_EQ(Some.smax(Wrap), Full); + // TODO: ConstantRange is currently over-conservative here. + EXPECT_EQ(Wrap.smax(Wrap), Full); + + EXPECT_EQ(Full.udiv(Full), Full); + EXPECT_EQ(Full.udiv(Empty), Empty); + EXPECT_EQ(Full.udiv(One), Full); + EXPECT_EQ(Full.udiv(Some), Full); + 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); + // TODO: ConstantRange is currently over-conservative here. + EXPECT_EQ(One.udiv(One), Full); + // TODO: ConstantRange is currently over-conservative here. + EXPECT_EQ(One.udiv(Some), Full); + // TODO: ConstantRange is currently over-conservative here. + EXPECT_EQ(One.udiv(Wrap), Full); + // TODO: ConstantRange is currently over-conservative here. + EXPECT_EQ(Some.udiv(Some), Full); + // TODO: ConstantRange is currently over-conservative here. + EXPECT_EQ(Some.udiv(Wrap), Full); + // TODO: ConstantRange is currently over-conservative here. + EXPECT_EQ(Wrap.udiv(Wrap), Full); + +} + +TEST(ConstantRangeTest, Signed) { + ConstantSignedRange Full(16); + ConstantSignedRange Empty(16, false); + ConstantSignedRange One(APInt(16, 0xa)); + ConstantSignedRange Some(APInt(16, 0xa), APInt(16, 0xaaa)); + ConstantSignedRange Wrap(APInt(16, 0xaaa), APInt(16, 0xa)); + + 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))); + + 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); + + 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()); + + 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)); + + EXPECT_EQ(Full.getSignedMax(), APInt(16, INT16_MAX, true)); + 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, INT16_MIN)); + EXPECT_EQ(One.getSignedMin(), APInt(16, 0xa)); + EXPECT_EQ(Some.getSignedMin(), APInt(16, 0xa)); + EXPECT_EQ(Wrap.getSignedMin(), APInt(16, INT16_MIN)); + + EXPECT_EQ(Full.getUnsignedMax(), APInt(16, UINT16_MAX, true)); + 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)); + + ConstantSignedRange TFull = Full.truncate(10); + ConstantSignedRange TEmpty = Empty.truncate(10); + ConstantSignedRange TOne = One.truncate(10); + ConstantSignedRange TSome = Some.truncate(10); + ConstantSignedRange TWrap = Wrap.truncate(10); + EXPECT_TRUE(TFull.isFullSet()); + EXPECT_TRUE(TEmpty.isEmptySet()); + // TODO: ConstantSignedRange is currently over-conservative here. + EXPECT_TRUE(TOne.isFullSet()); + // TODO: ConstantSignedRange is currently over-conservative here. + EXPECT_TRUE(TSome.isFullSet()); + // TODO: ConstantSignedRange is currently over-conservative here. + EXPECT_TRUE(TWrap.isFullSet()); + + ConstantSignedRange ZFull = Full.zeroExtend(20); + ConstantSignedRange ZEmpty = Empty.zeroExtend(20); + ConstantSignedRange ZOne = One.zeroExtend(20); + ConstantSignedRange ZSome = Some.zeroExtend(20); + ConstantSignedRange ZWrap = Wrap.zeroExtend(20); + EXPECT_EQ(ZFull, ConstantSignedRange(APInt(20, 0), APInt(20, 0x10000))); + EXPECT_TRUE(ZEmpty.isEmptySet()); + EXPECT_EQ(ZOne, ConstantSignedRange(APInt(One.getLower()).zext(20), + APInt(One.getUpper()).zext(20))); + EXPECT_EQ(ZSome, ConstantSignedRange(APInt(Some.getLower()).zext(20), + APInt(Some.getUpper()).zext(20))); + EXPECT_EQ(ZWrap, ConstantSignedRange(APInt(Wrap.getLower()).zext(20), + APInt(Wrap.getUpper()).zext(20))); + + ConstantSignedRange SFull = Full.signExtend(20); + ConstantSignedRange SEmpty = Empty.signExtend(20); + ConstantSignedRange SOne = One.signExtend(20); + ConstantSignedRange SSome = Some.signExtend(20); + ConstantSignedRange SWrap = Wrap.signExtend(20); + EXPECT_EQ(SFull, ConstantSignedRange(APInt(20, INT16_MIN), + APInt(20, INT16_MAX+1))); + EXPECT_TRUE(SEmpty.isEmptySet()); + EXPECT_EQ(SOne, ConstantSignedRange(APInt(One.getLower()).sext(20), + APInt(One.getUpper()).sext(20))); + EXPECT_EQ(SSome, ConstantSignedRange(APInt(Some.getLower()).sext(20), + APInt(Some.getUpper()).sext(20))); + EXPECT_EQ(SWrap, ConstantSignedRange(APInt(Wrap.getLower()).sext(20), + APInt(Wrap.getUpper()).sext(20))); + + EXPECT_TRUE(Empty.intersectWith(Full).isEmptySet()); + EXPECT_TRUE(Empty.intersectWith(Empty).isEmptySet()); + EXPECT_TRUE(Empty.intersectWith(One).isEmptySet()); + EXPECT_TRUE(Empty.intersectWith(Some).isEmptySet()); + EXPECT_TRUE(Empty.intersectWith(Wrap).isEmptySet()); + EXPECT_TRUE(Full.intersectWith(Full).isFullSet()); + EXPECT_TRUE(Some.intersectWith(Some) == Some); + EXPECT_TRUE(Some.intersectWith(One) == One); + EXPECT_TRUE(Full.intersectWith(One) == One); + EXPECT_TRUE(Full.intersectWith(Some) == Some); + EXPECT_TRUE(Some.intersectWith(Wrap).isEmptySet()); + EXPECT_TRUE(One.intersectWith(Wrap).isEmptySet()); + EXPECT_EQ(One.intersectWith(Wrap), Wrap.intersectWith(One)); + + EXPECT_TRUE(Empty.maximalIntersectWith(Full).isEmptySet()); + EXPECT_TRUE(Empty.maximalIntersectWith(Empty).isEmptySet()); + EXPECT_TRUE(Empty.maximalIntersectWith(One).isEmptySet()); + EXPECT_TRUE(Empty.maximalIntersectWith(Some).isEmptySet()); + EXPECT_TRUE(Empty.maximalIntersectWith(Wrap).isEmptySet()); + EXPECT_TRUE(Full.maximalIntersectWith(Full).isFullSet()); + EXPECT_TRUE(Some.maximalIntersectWith(Some) == Some); + EXPECT_TRUE(Some.maximalIntersectWith(One) == One); + EXPECT_TRUE(Full.maximalIntersectWith(One) == One); + EXPECT_TRUE(Full.maximalIntersectWith(Some) == Some); + EXPECT_TRUE(Some.maximalIntersectWith(Wrap).isEmptySet()); + EXPECT_TRUE(One.maximalIntersectWith(Wrap).isEmptySet()); + EXPECT_EQ(One.maximalIntersectWith(Wrap), Wrap.maximalIntersectWith(One)); + + EXPECT_EQ(Wrap.unionWith(One), + ConstantSignedRange(APInt(16, 0xaaa), APInt(16, 0xb))); + EXPECT_EQ(One.unionWith(Wrap), Wrap.unionWith(One)); + EXPECT_TRUE(Empty.unionWith(Empty).isEmptySet()); + EXPECT_TRUE(Full.unionWith(Full).isFullSet()); + EXPECT_TRUE(Some.unionWith(Wrap).isFullSet()); + + EXPECT_TRUE(Full.subtract(APInt(16, 4)).isFullSet()); + EXPECT_TRUE(Empty.subtract(APInt(16, 4)).isEmptySet()); + EXPECT_EQ(Some.subtract(APInt(16, 4)), + ConstantSignedRange(APInt(16, 0x6), APInt(16, 0xaa6))); + EXPECT_EQ(Wrap.subtract(APInt(16, 4)), + ConstantSignedRange(APInt(16, 0xaa6), APInt(16, 0x6))); + EXPECT_EQ(One.subtract(APInt(16, 4)), + ConstantSignedRange(APInt(16, 0x6))); + + EXPECT_TRUE(Full.smax(Full).isFullSet()); + EXPECT_TRUE(Full.smax(Empty).isEmptySet()); + EXPECT_TRUE(Full.smax(Some).isFullSet()); + EXPECT_TRUE(Full.smax(Wrap).isFullSet()); + EXPECT_TRUE(Full.smax(One).isFullSet()); + 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), ConstantSignedRange(APInt(16, 0xa), + APInt(16, INT16_MIN))); + EXPECT_EQ(Some.smax(One), Some); + // TODO: ConstantSignedRange is currently over-conservative here. + EXPECT_EQ(Wrap.smax(Wrap), Full); + EXPECT_EQ(Wrap.smax(One), ConstantSignedRange(APInt(16, 0xa), + APInt(16, INT16_MIN))); + EXPECT_EQ(One.smax(One), One); + + 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); + // TODO: ConstantSignedRange is currently over-conservative here. + EXPECT_EQ(One.add(One), Full); + // TODO: ConstantSignedRange is currently over-conservative here. + EXPECT_EQ(One.add(Some), Full); + // TODO: ConstantSignedRange is currently over-conservative here. + EXPECT_EQ(One.add(Wrap), Full); + // TODO: ConstantSignedRange is currently over-conservative here. + EXPECT_EQ(Some.add(Some), Full); + // TODO: ConstantSignedRange is currently over-conservative here. + EXPECT_EQ(Some.add(Wrap), Full); + // TODO: ConstantSignedRange is currently over-conservative here. + EXPECT_EQ(Wrap.add(Wrap), Full); + + 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); + // TODO: ConstantSignedRange is currently over-conservative here. + EXPECT_EQ(One.multiply(One), Full); + // TODO: ConstantSignedRange is currently over-conservative here. + EXPECT_EQ(One.multiply(Some), Full); + // TODO: ConstantSignedRange is currently over-conservative here. + EXPECT_EQ(One.multiply(Wrap), Full); + // TODO: ConstantSignedRange is currently over-conservative here. + EXPECT_EQ(Some.multiply(Some), Full); + // TODO: ConstantSignedRange is currently over-conservative here. + EXPECT_EQ(Some.multiply(Wrap), Full); + // TODO: ConstantSignedRange is currently over-conservative here. + EXPECT_EQ(Wrap.multiply(Wrap), Full); + + EXPECT_EQ(Full.umax(Full), Full); + EXPECT_EQ(Full.umax(Empty), Empty); + EXPECT_EQ(Full.umax(One), Full); + EXPECT_EQ(Full.umax(Some), Full); + EXPECT_EQ(Full.umax(Wrap), Full); + EXPECT_EQ(Empty.umax(Empty), Empty); + EXPECT_EQ(Empty.umax(One), Empty); + EXPECT_EQ(Empty.umax(Some), Empty); + EXPECT_EQ(Empty.umax(Wrap), Empty); + // TODO: ConstantSignedRange is currently over-conservative here. + EXPECT_EQ(One.umax(One), Full); + // TODO: ConstantSignedRange is currently over-conservative here. + EXPECT_EQ(One.umax(Some), Full); + // TODO: ConstantSignedRange is currently over-conservative here. + EXPECT_EQ(One.umax(Wrap), Full); + // TODO: ConstantSignedRange is currently over-conservative here. + EXPECT_EQ(Some.umax(Some), Full); + // TODO: ConstantSignedRange is currently over-conservative here. + EXPECT_EQ(Some.umax(Wrap), Full); + // TODO: ConstantSignedRange is currently over-conservative here. + EXPECT_EQ(Wrap.umax(Wrap), Full); +} + +} // anonymous namespace |