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Diffstat (limited to 'unittests/Support/ConstantRangeTest.cpp')
| -rw-r--r-- | unittests/Support/ConstantRangeTest.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/unittests/Support/ConstantRangeTest.cpp b/unittests/Support/ConstantRangeTest.cpp index 7d4055f889..263f93c9ff 100644 --- a/unittests/Support/ConstantRangeTest.cpp +++ b/unittests/Support/ConstantRangeTest.cpp @@ -193,6 +193,10 @@ TEST_F(ConstantRangeTest, ZExt) { EXPECT_EQ(ZSome, ConstantRange(Some.getLower().zext(20), Some.getUpper().zext(20))); EXPECT_EQ(ZWrap, ConstantRange(APInt(20, 0), APInt(20, 0x10000))); + + // zext([5, 0), 3->7) = [5, 8) + ConstantRange FiveZero(APInt(3, 5), APInt(3, 0)); + EXPECT_EQ(FiveZero.zeroExtend(7), ConstantRange(APInt(7, 5), APInt(7, 8))); } TEST_F(ConstantRangeTest, SExt) { |