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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2022-02-04 17:06:48 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2022-02-04 17:07:02 +0000 |
| commit | 0b989a03b9ddd44dddf467bb321b90e1b24ef401 (patch) | |
| tree | 9c2b36a3cf7ad26fe2773ff987a00af1ad972b6c /llvm/unittests/Support/MathExtrasTest.cpp | |
| parent | 39ceea26c59a5a33db1c6e2c9dca17e5136d5a20 (diff) | |
| download | llvm-0b989a03b9ddd44dddf467bb321b90e1b24ef401.zip llvm-0b989a03b9ddd44dddf467bb321b90e1b24ef401.tar.gz llvm-0b989a03b9ddd44dddf467bb321b90e1b24ef401.tar.bz2 | |
[Support] Add isShiftedMask_32/isShiftedMask_64 unit test coverage
Diffstat (limited to 'llvm/unittests/Support/MathExtrasTest.cpp')
| -rw-r--r-- | llvm/unittests/Support/MathExtrasTest.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/llvm/unittests/Support/MathExtrasTest.cpp b/llvm/unittests/Support/MathExtrasTest.cpp index 6088fdc..cf055c6 100644 --- a/llvm/unittests/Support/MathExtrasTest.cpp +++ b/llvm/unittests/Support/MathExtrasTest.cpp @@ -175,6 +175,20 @@ TEST(MathExtras, reverseBits) { EXPECT_EQ(0x5400000000000000ULL, reverseBits(NZ64)); } +TEST(MathExtras, isShiftedMask_32) { + EXPECT_FALSE(isShiftedMask_32(0x01010101)); + EXPECT_TRUE(isShiftedMask_32(0xf0000000)); + EXPECT_TRUE(isShiftedMask_32(0xffff0000)); + EXPECT_TRUE(isShiftedMask_32(0xff << 1)); +} + +TEST(MathExtras, isShiftedMask_64) { + EXPECT_FALSE(isShiftedMask_64(0x0101010101010101ull)); + EXPECT_TRUE(isShiftedMask_64(0xf000000000000000ull)); + EXPECT_TRUE(isShiftedMask_64(0xffff000000000000ull)); + EXPECT_TRUE(isShiftedMask_64(0xffull << 55)); +} + TEST(MathExtras, isPowerOf2_32) { EXPECT_FALSE(isPowerOf2_32(0)); EXPECT_TRUE(isPowerOf2_32(1 << 6)); |