diff options
Diffstat (limited to 'llvm/unittests/ADT/APIntTest.cpp')
| -rw-r--r-- | llvm/unittests/ADT/APIntTest.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/unittests/ADT/APIntTest.cpp b/llvm/unittests/ADT/APIntTest.cpp index 05fad386064..331b3997071 100644 --- a/llvm/unittests/ADT/APIntTest.cpp +++ b/llvm/unittests/ADT/APIntTest.cpp @@ -1768,6 +1768,13 @@ TEST(APIntTest, extractBits) { i257.extractBits(128, 1).getSExtValue()); EXPECT_EQ(static_cast<int64_t>(0xFFFFFFFFFF80007Full), i257.extractBits(129, 1).getSExtValue()); + + EXPECT_EQ(APInt(48, 0), + APInt(144, "281474976710655", 10).extractBits(48, 48)); + EXPECT_EQ(APInt(48, 0x0000ffffffffffffull), + APInt(144, "281474976710655", 10).extractBits(48, 0)); + EXPECT_EQ(APInt(48, 0x00007fffffffffffull), + APInt(144, "281474976710655", 10).extractBits(48, 1)); } TEST(APIntTest, getLowBitsSet) { |
