X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=unittests%2FSupport%2FConstantRangeTest.cpp;h=4d6bbf6f8402b745453f81b3f357f12e3e8c9723;hb=0b8c9a80f20772c3793201ab5b251d3520b9cea3;hp=83bf5350283b6cade50b63a04609f30c3b69f74a;hpb=646ca92bfc20002a5c6d9b2b42e6940fd86ff7c9;p=oota-llvm.git diff --git a/unittests/Support/ConstantRangeTest.cpp b/unittests/Support/ConstantRangeTest.cpp index 83bf5350283..4d6bbf6f840 100644 --- a/unittests/Support/ConstantRangeTest.cpp +++ b/unittests/Support/ConstantRangeTest.cpp @@ -8,7 +8,7 @@ //===----------------------------------------------------------------------===// #include "llvm/Support/ConstantRange.h" - +#include "llvm/IR/Instructions.h" #include "gtest/gtest.h" using namespace llvm; @@ -33,6 +33,7 @@ ConstantRange ConstantRangeTest::Wrap(APInt(16, 0xaaa), APInt(16, 0xa)); TEST_F(ConstantRangeTest, Basics) { EXPECT_TRUE(Full.isFullSet()); EXPECT_FALSE(Full.isEmptySet()); + EXPECT_TRUE(Full.inverse().isEmptySet()); EXPECT_FALSE(Full.isWrappedSet()); EXPECT_TRUE(Full.contains(APInt(16, 0x0))); EXPECT_TRUE(Full.contains(APInt(16, 0x9))); @@ -42,6 +43,7 @@ TEST_F(ConstantRangeTest, Basics) { EXPECT_FALSE(Empty.isFullSet()); EXPECT_TRUE(Empty.isEmptySet()); + EXPECT_TRUE(Empty.inverse().isFullSet()); EXPECT_FALSE(Empty.isWrappedSet()); EXPECT_FALSE(Empty.contains(APInt(16, 0x0))); EXPECT_FALSE(Empty.contains(APInt(16, 0x9))); @@ -57,6 +59,7 @@ TEST_F(ConstantRangeTest, Basics) { EXPECT_TRUE(One.contains(APInt(16, 0xa))); EXPECT_FALSE(One.contains(APInt(16, 0xaa9))); EXPECT_FALSE(One.contains(APInt(16, 0xaaa))); + EXPECT_FALSE(One.inverse().contains(APInt(16, 0xa))); EXPECT_FALSE(Some.isFullSet()); EXPECT_FALSE(Some.isEmptySet()); @@ -110,11 +113,15 @@ TEST_F(ConstantRangeTest, SingleElement) { } 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)); + EXPECT_EQ(Full.getSetSize(), APInt(17, 65536)); + EXPECT_EQ(Empty.getSetSize(), APInt(17, 0)); + EXPECT_EQ(One.getSetSize(), APInt(17, 1)); + EXPECT_EQ(Some.getSetSize(), APInt(17, 0xaa0)); + + ConstantRange Wrap(APInt(4, 7), APInt(4, 3)); + ConstantRange Wrap2(APInt(4, 8), APInt(4, 7)); + EXPECT_EQ(Wrap.getSetSize(), APInt(5, 12)); + EXPECT_EQ(Wrap2.getSetSize(), APInt(5, 15)); } TEST_F(ConstantRangeTest, GetMinsAndMaxes) { @@ -133,10 +140,30 @@ TEST_F(ConstantRangeTest, GetMinsAndMaxes) { 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(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, INT16_MIN)); + 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, SignWrapped) { + EXPECT_TRUE(Full.isSignWrappedSet()); + EXPECT_FALSE(Empty.isSignWrappedSet()); + EXPECT_FALSE(One.isSignWrappedSet()); + EXPECT_FALSE(Some.isSignWrappedSet()); + EXPECT_TRUE(Wrap.isSignWrappedSet()); + + EXPECT_FALSE(ConstantRange(APInt(8, 127), APInt(8, 128)).isSignWrappedSet()); + EXPECT_TRUE(ConstantRange(APInt(8, 127), APInt(8, 129)).isSignWrappedSet()); + EXPECT_FALSE(ConstantRange(APInt(8, 128), APInt(8, 129)).isSignWrappedSet()); + EXPECT_TRUE(ConstantRange(APInt(8, 10), APInt(8, 9)).isSignWrappedSet()); + EXPECT_TRUE(ConstantRange(APInt(8, 10), APInt(8, 250)).isSignWrappedSet()); + EXPECT_FALSE(ConstantRange(APInt(8, 250), APInt(8, 10)).isSignWrappedSet()); + EXPECT_FALSE(ConstantRange(APInt(8, 250), APInt(8, 251)).isSignWrappedSet()); } TEST_F(ConstantRangeTest, Trunc) { @@ -147,9 +174,8 @@ TEST_F(ConstantRangeTest, Trunc) { 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_EQ(TOne, ConstantRange(One.getLower().trunc(10), + One.getUpper().trunc(10))); EXPECT_TRUE(TSome.isFullSet()); } @@ -161,12 +187,15 @@ TEST_F(ConstantRangeTest, ZExt) { 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))); + EXPECT_EQ(ZOne, ConstantRange(One.getLower().zext(20), + One.getUpper().zext(20))); + EXPECT_EQ(ZSome, ConstantRange(Some.getLower().zext(20), + Some.getUpper().zext(20))); + EXPECT_EQ(ZWrap, ConstantRange(APInt(20, 0), APInt(20, 0x10000))); + + // zext([5, 0), 3->7) = [5, 8) + ConstantRange FiveZero(APInt(3, 5), APInt(3, 0)); + EXPECT_EQ(FiveZero.zeroExtend(7), ConstantRange(APInt(7, 5), APInt(7, 8))); } TEST_F(ConstantRangeTest, SExt) { @@ -175,61 +204,118 @@ TEST_F(ConstantRangeTest, SExt) { 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_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))); + EXPECT_EQ(SOne, ConstantRange(One.getLower().sext(20), + One.getUpper().sext(20))); + EXPECT_EQ(SSome, ConstantRange(Some.getLower().sext(20), + Some.getUpper().sext(20))); + EXPECT_EQ(SWrap, ConstantRange(APInt(20, (uint64_t)INT16_MIN, true), + APInt(20, INT16_MAX + 1, true))); + + EXPECT_EQ(ConstantRange(APInt(8, 120), APInt(8, 140)).signExtend(16), + ConstantRange(APInt(16, -128), APInt(16, 128))); } TEST_F(ConstantRangeTest, IntersectWith) { - 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(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)); -} -TEST_F(ConstantRangeTest, MaximalIntersectWith) { - 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)); + // 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); + + // previous bug: intersection of [min, 3) and [2, max) should be 2 + LHS = ConstantRange(APInt(32, -2147483646), APInt(32, 3)); + RHS = ConstantRange(APInt(32, 2), APInt(32, 2147483646)); + EXPECT_EQ(LHS.intersectWith(RHS), ConstantRange(APInt(32, 2))); + + // [2, 0) /\ [4, 3) = [2, 0) + LHS = ConstantRange(APInt(32, 2), APInt(32, 0)); + RHS = ConstantRange(APInt(32, 4), APInt(32, 3)); + EXPECT_EQ(LHS.intersectWith(RHS), ConstantRange(APInt(32, 2), APInt(32, 0))); + + // [2, 0) /\ [4, 2) = [4, 0) + LHS = ConstantRange(APInt(32, 2), APInt(32, 0)); + RHS = ConstantRange(APInt(32, 4), APInt(32, 2)); + EXPECT_EQ(LHS.intersectWith(RHS), ConstantRange(APInt(32, 4), APInt(32, 0))); + + // [4, 2) /\ [5, 1) = [5, 1) + LHS = ConstantRange(APInt(32, 4), APInt(32, 2)); + RHS = ConstantRange(APInt(32, 5), APInt(32, 1)); + EXPECT_EQ(LHS.intersectWith(RHS), ConstantRange(APInt(32, 5), APInt(32, 1))); + + // [2, 0) /\ [7, 4) = [7, 4) + LHS = ConstantRange(APInt(32, 2), APInt(32, 0)); + RHS = ConstantRange(APInt(32, 7), APInt(32, 4)); + EXPECT_EQ(LHS.intersectWith(RHS), ConstantRange(APInt(32, 7), APInt(32, 4))); + + // [4, 2) /\ [1, 0) = [1, 0) + LHS = ConstantRange(APInt(32, 4), APInt(32, 2)); + RHS = ConstantRange(APInt(32, 1), APInt(32, 0)); + EXPECT_EQ(LHS.intersectWith(RHS), ConstantRange(APInt(32, 4), APInt(32, 2))); + + // [15, 0) /\ [7, 6) = [15, 0) + LHS = ConstantRange(APInt(32, 15), APInt(32, 0)); + RHS = ConstantRange(APInt(32, 7), APInt(32, 6)); + EXPECT_EQ(LHS.intersectWith(RHS), ConstantRange(APInt(32, 15), APInt(32, 0))); } 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_TRUE(Empty.unionWith(Empty).isEmptySet()); - EXPECT_TRUE(Full.unionWith(Full).isFullSet()); - EXPECT_TRUE(Some.unionWith(Wrap).isFullSet()); + 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, SetDifference) { + EXPECT_EQ(Full.difference(Empty), Full); + EXPECT_EQ(Full.difference(Full), Empty); + EXPECT_EQ(Empty.difference(Empty), Empty); + EXPECT_EQ(Empty.difference(Full), Empty); + + ConstantRange A(APInt(16, 3), APInt(16, 7)); + ConstantRange B(APInt(16, 5), APInt(16, 9)); + ConstantRange C(APInt(16, 3), APInt(16, 5)); + ConstantRange D(APInt(16, 7), APInt(16, 9)); + ConstantRange E(APInt(16, 5), APInt(16, 4)); + ConstantRange F(APInt(16, 7), APInt(16, 3)); + EXPECT_EQ(A.difference(B), C); + EXPECT_EQ(B.difference(A), D); + EXPECT_EQ(E.difference(A), F); } TEST_F(ConstantRangeTest, SubtractAPInt) { - EXPECT_TRUE(Full.subtract(APInt(16, 4)).isFullSet()); - EXPECT_TRUE(Empty.subtract(APInt(16, 4)).isEmptySet()); + 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)), @@ -239,7 +325,8 @@ TEST_F(ConstantRangeTest, SubtractAPInt) { } TEST_F(ConstantRangeTest, Add) { - EXPECT_TRUE(Full.add(APInt(16, 4)).isFullSet()); + 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); @@ -248,7 +335,7 @@ TEST_F(ConstantRangeTest, Add) { EXPECT_EQ(Empty.add(One), Empty); EXPECT_EQ(Empty.add(Some), Empty); EXPECT_EQ(Empty.add(Wrap), Empty); - EXPECT_TRUE(Empty.add(APInt(16, 4)).isEmptySet()); + 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)), @@ -257,6 +344,28 @@ TEST_F(ConstantRangeTest, Add) { ConstantRange(APInt(16, 0xe))); } +TEST_F(ConstantRangeTest, Sub) { + EXPECT_EQ(Full.sub(APInt(16, 4)), Full); + EXPECT_EQ(Full.sub(Full), Full); + EXPECT_EQ(Full.sub(Empty), Empty); + EXPECT_EQ(Full.sub(One), Full); + EXPECT_EQ(Full.sub(Some), Full); + EXPECT_EQ(Full.sub(Wrap), Full); + EXPECT_EQ(Empty.sub(Empty), Empty); + EXPECT_EQ(Empty.sub(One), Empty); + EXPECT_EQ(Empty.sub(Some), Empty); + EXPECT_EQ(Empty.sub(Wrap), Empty); + EXPECT_EQ(Empty.sub(APInt(16, 4)), Empty); + EXPECT_EQ(Some.sub(APInt(16, 4)), + ConstantRange(APInt(16, 0x6), APInt(16, 0xaa6))); + EXPECT_EQ(Some.sub(Some), + ConstantRange(APInt(16, 0xf561), APInt(16, 0xaa0))); + EXPECT_EQ(Wrap.sub(APInt(16, 4)), + ConstantRange(APInt(16, 0xaa6), APInt(16, 0x6))); + EXPECT_EQ(One.sub(APInt(16, 4)), + ConstantRange(APInt(16, 0x6))); +} + TEST_F(ConstantRangeTest, Multiply) { EXPECT_EQ(Full.multiply(Full), Full); EXPECT_EQ(Full.multiply(Empty), Empty); @@ -267,25 +376,34 @@ TEST_F(ConstantRangeTest, Multiply) { 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(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); - // 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); + + ConstantRange Zero(APInt(16, 0)); + EXPECT_EQ(Zero.multiply(Full), Zero); + EXPECT_EQ(Zero.multiply(Some), Zero); + EXPECT_EQ(Zero.multiply(Wrap), Zero); + EXPECT_EQ(Full.multiply(Zero), Zero); + EXPECT_EQ(Some.multiply(Zero), Zero); + EXPECT_EQ(Wrap.multiply(Zero), Zero); + + // 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_TRUE(Full.umax(Full).isFullSet()); - EXPECT_TRUE(Full.umax(Empty).isEmptySet()); + 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_TRUE(Full.umax(Wrap).isFullSet()); + 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); @@ -301,48 +419,91 @@ TEST_F(ConstantRangeTest, UMax) { } TEST_F(ConstantRangeTest, SMax) { - EXPECT_TRUE(Full.smax(Full).isFullSet()); - EXPECT_TRUE(Full.smax(Empty).isEmptySet()); + 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_TRUE(Full.smax(Wrap).isFullSet()); + APInt::getSignedMinValue(16))); + EXPECT_EQ(Full.smax(Wrap), Full); EXPECT_EQ(Full.smax(One), ConstantRange(APInt(16, 0xa), - APInt::getSignedMinValue(16))); + 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, INT16_MIN))); + APInt(16, (uint64_t)INT16_MIN))); EXPECT_EQ(Some.smax(One), Some); EXPECT_EQ(Wrap.smax(One), ConstantRange(APInt(16, 0xa), - APInt(16, INT16_MIN))); + 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), Full); - EXPECT_EQ(Full.udiv(Some), Full); + 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); - // 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(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); } +TEST_F(ConstantRangeTest, Shl) { + EXPECT_EQ(Full.shl(Full), Full); + EXPECT_EQ(Full.shl(Empty), Empty); + EXPECT_EQ(Full.shl(One), Full); // TODO: [0, (-1 << 0xa) + 1) + EXPECT_EQ(Full.shl(Some), Full); // TODO: [0, (-1 << 0xa) + 1) + EXPECT_EQ(Full.shl(Wrap), Full); + EXPECT_EQ(Empty.shl(Empty), Empty); + EXPECT_EQ(Empty.shl(One), Empty); + EXPECT_EQ(Empty.shl(Some), Empty); + EXPECT_EQ(Empty.shl(Wrap), Empty); + EXPECT_EQ(One.shl(One), ConstantRange(APInt(16, 0xa << 0xa), + APInt(16, (0xa << 0xa) + 1))); + EXPECT_EQ(One.shl(Some), Full); // TODO: [0xa << 0xa, 0) + EXPECT_EQ(One.shl(Wrap), Full); // TODO: [0xa, 0xa << 14 + 1) + EXPECT_EQ(Some.shl(Some), Full); // TODO: [0xa << 0xa, 0xfc01) + EXPECT_EQ(Some.shl(Wrap), Full); // TODO: [0xa, 0x7ff << 0x5 + 1) + EXPECT_EQ(Wrap.shl(Wrap), Full); +} + +TEST_F(ConstantRangeTest, Lshr) { + EXPECT_EQ(Full.lshr(Full), Full); + EXPECT_EQ(Full.lshr(Empty), Empty); + EXPECT_EQ(Full.lshr(One), ConstantRange(APInt(16, 0), + APInt(16, (0xffff >> 0xa) + 1))); + EXPECT_EQ(Full.lshr(Some), ConstantRange(APInt(16, 0), + APInt(16, (0xffff >> 0xa) + 1))); + EXPECT_EQ(Full.lshr(Wrap), Full); + EXPECT_EQ(Empty.lshr(Empty), Empty); + EXPECT_EQ(Empty.lshr(One), Empty); + EXPECT_EQ(Empty.lshr(Some), Empty); + EXPECT_EQ(Empty.lshr(Wrap), Empty); + EXPECT_EQ(One.lshr(One), ConstantRange(APInt(16, 0))); + EXPECT_EQ(One.lshr(Some), ConstantRange(APInt(16, 0))); + EXPECT_EQ(One.lshr(Wrap), ConstantRange(APInt(16, 0), APInt(16, 0xb))); + EXPECT_EQ(Some.lshr(Some), ConstantRange(APInt(16, 0), + APInt(16, (0xaaa >> 0xa) + 1))); + EXPECT_EQ(Some.lshr(Wrap), ConstantRange(APInt(16, 0), APInt(16, 0xaaa))); + EXPECT_EQ(Wrap.lshr(Wrap), Full); +} + +TEST(ConstantRange, MakeICmpRegion) { + // PR8250 + ConstantRange SMax = ConstantRange(APInt::getSignedMaxValue(32)); + EXPECT_TRUE(ConstantRange::makeICmpRegion(ICmpInst::ICMP_SGT, + SMax).isEmptySet()); +} + } // anonymous namespace