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Diffstat (limited to 'unittests/Support/ConstantRangeTest.cpp')
| -rw-r--r-- | unittests/Support/ConstantRangeTest.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/unittests/Support/ConstantRangeTest.cpp b/unittests/Support/ConstantRangeTest.cpp index b77ac6aece..b1b82a9927 100644 --- a/unittests/Support/ConstantRangeTest.cpp +++ b/unittests/Support/ConstantRangeTest.cpp @@ -219,6 +219,17 @@ TEST_F(ConstantRangeTest, UnionWith) { EXPECT_TRUE(Empty.unionWith(Empty).isEmptySet()); EXPECT_TRUE(Full.unionWith(Full).isFullSet()); EXPECT_TRUE(Some.unionWith(Wrap).isFullSet()); + + // PR4545 + 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_EQ(ConstantRange(APInt(16, 1), APInt(16, 0)).unionWith( + ConstantRange(APInt(16, 2), APInt(16, 1))), + ConstantRange(16)); } TEST_F(ConstantRangeTest, SubtractAPInt) { |