//===----------------------------------------------------------------------===//
#include "llvm/Support/ConstantRange.h"
-#include "llvm/Support/raw_os_ostream.h"
+#include "llvm/Instructions.h"
#include "gtest/gtest.h"
namespace {
-// Support APInt output to an std::ostream.
-inline std::ostream &operator<<(std::ostream &OS, const APInt &Value) {
- raw_os_ostream RawOS(OS);
- RawOS << Value;
- return OS;
-}
-
class ConstantRangeTest : public ::testing::Test {
protected:
static ConstantRange Full;
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)));
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)));
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());
}
TEST_F(ConstantRangeTest, Equality) {
- EXPECT_TRUE(Full == Full);
- EXPECT_TRUE(Empty == Empty);
- EXPECT_TRUE(One == One);
- EXPECT_TRUE(Some == Some);
- EXPECT_TRUE(Wrap == Wrap);
- EXPECT_TRUE(Full != Empty);
- EXPECT_TRUE(Full != One);
- EXPECT_TRUE(Full != Some);
- EXPECT_TRUE(Full != Wrap);
- EXPECT_TRUE(Empty != One);
- EXPECT_TRUE(Empty != Some);
- EXPECT_TRUE(Empty != Wrap);
- EXPECT_TRUE(One != Some);
- EXPECT_TRUE(One != Wrap);
- EXPECT_TRUE(Some != Wrap);
+ 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) {
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) {
ConstantRange TFull = Full.truncate(10);
ConstantRange TEmpty = Empty.truncate(10);
ConstantRange TWrap = Wrap.truncate(10);
EXPECT_TRUE(TFull.isFullSet());
EXPECT_TRUE(TEmpty.isEmptySet());
- EXPECT_TRUE(TOne == ConstantRange(APInt(One.getLower()).trunc(10),
- APInt(One.getUpper()).trunc(10)));
+ EXPECT_EQ(TOne, ConstantRange(One.getLower().trunc(10),
+ One.getUpper().trunc(10)));
EXPECT_TRUE(TSome.isFullSet());
}
ConstantRange ZOne = One.zeroExtend(20);
ConstantRange ZSome = Some.zeroExtend(20);
ConstantRange ZWrap = Wrap.zeroExtend(20);
- EXPECT_TRUE(ZFull == ConstantRange(APInt(20, 0), APInt(20, 0x10000)));
+ EXPECT_EQ(ZFull, ConstantRange(APInt(20, 0), APInt(20, 0x10000)));
EXPECT_TRUE(ZEmpty.isEmptySet());
- EXPECT_TRUE(ZOne == ConstantRange(APInt(One.getLower()).zext(20),
- APInt(One.getUpper()).zext(20)));
- EXPECT_TRUE(ZSome == ConstantRange(APInt(Some.getLower()).zext(20),
- APInt(Some.getUpper()).zext(20)));
- EXPECT_TRUE(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)));
}
TEST_F(ConstantRangeTest, SExt) {
ConstantRange SOne = One.signExtend(20);
ConstantRange SSome = Some.signExtend(20);
ConstantRange SWrap = Wrap.signExtend(20);
- EXPECT_TRUE(SFull == ConstantRange(APInt(20, (uint64_t)INT16_MIN, true),
- APInt(20, INT16_MAX + 1, true)));
+ EXPECT_EQ(SFull, ConstantRange(APInt(20, (uint64_t)INT16_MIN, true),
+ APInt(20, INT16_MAX + 1, true)));
EXPECT_TRUE(SEmpty.isEmptySet());
- EXPECT_TRUE(SOne == ConstantRange(APInt(One.getLower()).sext(20),
- APInt(One.getUpper()).sext(20)));
- EXPECT_TRUE(SSome == ConstantRange(APInt(Some.getLower()).sext(20),
- APInt(Some.getUpper()).sext(20)));
- EXPECT_TRUE(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_TRUE(One.intersectWith(Wrap) == Wrap.intersectWith(One));
+ 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
}
TEST_F(ConstantRangeTest, UnionWith) {
- EXPECT_TRUE(Wrap.unionWith(One) ==
- ConstantRange(APInt(16, 0xaaa), APInt(16, 0xb)));
- EXPECT_TRUE(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(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_TRUE(ConstantRange(APInt(16, 14), APInt(16, 1)).unionWith(
- ConstantRange(APInt(16, 0), APInt(16, 8))) ==
- ConstantRange(APInt(16, 14), APInt(16, 8)));
- EXPECT_TRUE(ConstantRange(APInt(16, 6), APInt(16, 4)).unionWith(
- ConstantRange(APInt(16, 4), APInt(16, 0))) ==
+ 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_TRUE(ConstantRange(APInt(16, 1), APInt(16, 0)).unionWith(
- ConstantRange(APInt(16, 2), APInt(16, 1))) ==
+ EXPECT_EQ(ConstantRange(APInt(16, 1), APInt(16, 0)).unionWith(
+ ConstantRange(APInt(16, 2), APInt(16, 1))),
ConstantRange(16));
}
TEST_F(ConstantRangeTest, SubtractAPInt) {
- EXPECT_TRUE(Full.subtract(APInt(16, 4)).isFullSet());
- EXPECT_TRUE(Empty.subtract(APInt(16, 4)).isEmptySet());
- EXPECT_TRUE(Some.subtract(APInt(16, 4)) ==
- ConstantRange(APInt(16, 0x6), APInt(16, 0xaa6)));
- EXPECT_TRUE(Wrap.subtract(APInt(16, 4)) ==
- ConstantRange(APInt(16, 0xaa6), APInt(16, 0x6)));
- EXPECT_TRUE(One.subtract(APInt(16, 4)) ==
- ConstantRange(APInt(16, 0x6)));
+ 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_TRUE(Full.add(APInt(16, 4)).isFullSet());
- EXPECT_TRUE(Full.add(Full) == Full);
- EXPECT_TRUE(Full.add(Empty) == Empty);
- EXPECT_TRUE(Full.add(One) == Full);
- EXPECT_TRUE(Full.add(Some) == Full);
- EXPECT_TRUE(Full.add(Wrap) == Full);
- EXPECT_TRUE(Empty.add(Empty) == Empty);
- EXPECT_TRUE(Empty.add(One) == Empty);
- EXPECT_TRUE(Empty.add(Some) == Empty);
- EXPECT_TRUE(Empty.add(Wrap) == Empty);
- EXPECT_TRUE(Empty.add(APInt(16, 4)).isEmptySet());
- EXPECT_TRUE(Some.add(APInt(16, 4)) ==
- ConstantRange(APInt(16, 0xe), APInt(16, 0xaae)));
- EXPECT_TRUE(Wrap.add(APInt(16, 4)) ==
- ConstantRange(APInt(16, 0xaae), APInt(16, 0xe)));
- EXPECT_TRUE(One.add(APInt(16, 4)) ==
- ConstantRange(APInt(16, 0xe)));
+ 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, 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_TRUE(Full.multiply(Full) == Full);
- EXPECT_TRUE(Full.multiply(Empty) == Empty);
- EXPECT_TRUE(Full.multiply(One) == Full);
- EXPECT_TRUE(Full.multiply(Some) == Full);
- EXPECT_TRUE(Full.multiply(Wrap) == Full);
- EXPECT_TRUE(Empty.multiply(Empty) == Empty);
- EXPECT_TRUE(Empty.multiply(One) == Empty);
- EXPECT_TRUE(Empty.multiply(Some) == Empty);
- EXPECT_TRUE(Empty.multiply(Wrap) == Empty);
- EXPECT_TRUE(One.multiply(One) == ConstantRange(APInt(16, 0xa*0xa),
- APInt(16, 0xa*0xa + 1)));
- EXPECT_TRUE(One.multiply(Some) == ConstantRange(APInt(16, 0xa*0xa),
- APInt(16, 0xa*0xaa9 + 1)));
- EXPECT_TRUE(One.multiply(Wrap).isFullSet());
- EXPECT_TRUE(Some.multiply(Some).isFullSet());
- EXPECT_TRUE(Some.multiply(Wrap) == Full);
- EXPECT_TRUE(Wrap.multiply(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);
+ 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_TRUE(ConstantRange(APInt(4, 1), APInt(4, 6)).multiply(
- ConstantRange(APInt(4, 6), APInt(4, 2))) ==
- ConstantRange(4, /*isFullSet=*/true));
+ 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_TRUE(Full.umax(Some) == ConstantRange(APInt(16, 0xa), APInt(16, 0)));
- EXPECT_TRUE(Full.umax(Wrap).isFullSet());
- EXPECT_TRUE(Full.umax(Some) == ConstantRange(APInt(16, 0xa), APInt(16, 0)));
- EXPECT_TRUE(Empty.umax(Empty) == Empty);
- EXPECT_TRUE(Empty.umax(Some) == Empty);
- EXPECT_TRUE(Empty.umax(Wrap) == Empty);
- EXPECT_TRUE(Empty.umax(One) == Empty);
- EXPECT_TRUE(Some.umax(Some) == Some);
- EXPECT_TRUE(Some.umax(Wrap) == ConstantRange(APInt(16, 0xa), APInt(16, 0)));
- EXPECT_TRUE(Some.umax(One) == Some);
+ 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_TRUE(Wrap.umax(Wrap) == Full);
- EXPECT_TRUE(Wrap.umax(One) == ConstantRange(APInt(16, 0xa), APInt(16, 0)));
- EXPECT_TRUE(One.umax(One) == One);
+ 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_TRUE(Full.smax(Full).isFullSet());
- EXPECT_TRUE(Full.smax(Empty).isEmptySet());
- EXPECT_TRUE(Full.smax(Some) == ConstantRange(APInt(16, 0xa),
- APInt::getSignedMinValue(16)));
- EXPECT_TRUE(Full.smax(Wrap).isFullSet());
- EXPECT_TRUE(Full.smax(One) == ConstantRange(APInt(16, 0xa),
- APInt::getSignedMinValue(16)));
- EXPECT_TRUE(Empty.smax(Empty) == Empty);
- EXPECT_TRUE(Empty.smax(Some) == Empty);
- EXPECT_TRUE(Empty.smax(Wrap) == Empty);
- EXPECT_TRUE(Empty.smax(One) == Empty);
- EXPECT_TRUE(Some.smax(Some) == Some);
- EXPECT_TRUE(Some.smax(Wrap) == ConstantRange(APInt(16, 0xa),
- APInt(16, (uint64_t)INT16_MIN)));
- EXPECT_TRUE(Some.smax(One) == Some);
- EXPECT_TRUE(Wrap.smax(One) == ConstantRange(APInt(16, 0xa),
- APInt(16, (uint64_t)INT16_MIN)));
- EXPECT_TRUE(One.smax(One) == One);
+ 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_TRUE(Full.udiv(Full) == Full);
- EXPECT_TRUE(Full.udiv(Empty) == Empty);
- EXPECT_TRUE(Full.udiv(One) == ConstantRange(APInt(16, 0),
- APInt(16, 0xffff / 0xa + 1)));
- EXPECT_TRUE(Full.udiv(Some) == ConstantRange(APInt(16, 0),
- APInt(16, 0xffff / 0xa + 1)));
- EXPECT_TRUE(Full.udiv(Wrap) == Full);
- EXPECT_TRUE(Empty.udiv(Empty) == Empty);
- EXPECT_TRUE(Empty.udiv(One) == Empty);
- EXPECT_TRUE(Empty.udiv(Some) == Empty);
- EXPECT_TRUE(Empty.udiv(Wrap) == Empty);
- EXPECT_TRUE(One.udiv(One) == ConstantRange(APInt(16, 1)));
- EXPECT_TRUE(One.udiv(Some) == ConstantRange(APInt(16, 0), APInt(16, 2)));
- EXPECT_TRUE(One.udiv(Wrap) == ConstantRange(APInt(16, 0), APInt(16, 0xb)));
- EXPECT_TRUE(Some.udiv(Some) == ConstantRange(APInt(16, 0), APInt(16, 0x111)));
- EXPECT_TRUE(Some.udiv(Wrap) == ConstantRange(APInt(16, 0), APInt(16, 0xaaa)));
- EXPECT_TRUE(Wrap.udiv(Wrap) == Full);
+ 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);
+}
+
+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