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Diffstat (limited to 'unittests/Support/ConstantRangeTest.cpp')
| -rw-r--r-- | unittests/Support/ConstantRangeTest.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/unittests/Support/ConstantRangeTest.cpp b/unittests/Support/ConstantRangeTest.cpp index 742bcb48ec..5fcdcfd2b4 100644 --- a/unittests/Support/ConstantRangeTest.cpp +++ b/unittests/Support/ConstantRangeTest.cpp @@ -232,6 +232,11 @@ TEST_F(ConstantRangeTest, IntersectWith) { 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) { |