//===----------------------------------------------------------------------===//
#include "llvm/Support/ConstantRange.h"
+#include "llvm/Instructions.h"
#include "gtest/gtest.h"
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());
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_EQ(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 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)));
}
TEST_F(ConstantRangeTest, SExt) {
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_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)));
+ ConstantRange(APInt(16, 0xe), APInt(16, 0xaae)));
EXPECT_EQ(Wrap.add(APInt(16, 4)),
- ConstantRange(APInt(16, 0xaae), APInt(16, 0xe)));
+ ConstantRange(APInt(16, 0xaae), APInt(16, 0xe)));
EXPECT_EQ(One.add(APInt(16, 4)),
- ConstantRange(APInt(16, 0xe)));
+ 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(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