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);
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(ZWrap, ConstantRange(APInt(20, 0), APInt(20, 0x10000)));
}
TEST_F(ConstantRangeTest, SExt) {
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(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) {