diff options
Diffstat (limited to 'llvm/unittests/Support/BlockFrequencyTest.cpp')
| -rw-r--r-- | llvm/unittests/Support/BlockFrequencyTest.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/unittests/Support/BlockFrequencyTest.cpp b/llvm/unittests/Support/BlockFrequencyTest.cpp index ffdea2c1790..c3184515046 100644 --- a/llvm/unittests/Support/BlockFrequencyTest.cpp +++ b/llvm/unittests/Support/BlockFrequencyTest.cpp @@ -237,4 +237,12 @@ TEST(BlockFrequencyTest, ProbabilityCompare) { EXPECT_FALSE(BigZero >= BigOne); } +TEST(BlockFrequencyTest, SaturatingRightShift) { + BlockFrequency Freq(0x10080ULL); + Freq >>= 2; + EXPECT_EQ(Freq.getFrequency(), 0x4020ULL); + Freq >>= 20; + EXPECT_EQ(Freq.getFrequency(), 0x1ULL); +} + } |
