if (CR.Upper.ult(Upper))
return CR;
- if (CR.Upper.ult(Lower))
+ if (CR.Upper.ule(Lower))
return ConstantRange(CR.Lower, Upper);
if (getSetSize().ult(CR.getSetSize()))
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, -2147483648), APInt(32, 3));
+ RHS = ConstantRange(APInt(32, 2), APInt(32, 2147483648));
+ EXPECT_EQ(LHS.intersectWith(RHS), ConstantRange(APInt(32, 2)));
}
TEST_F(ConstantRangeTest, UnionWith) {