diff options
Diffstat (limited to 'llvm/unittests/Support')
-rw-r--r-- | llvm/unittests/Support/AlignmentTest.cpp | 22 | ||||
-rw-r--r-- | llvm/unittests/Support/MathExtrasTest.cpp | 19 |
2 files changed, 41 insertions, 0 deletions
diff --git a/llvm/unittests/Support/AlignmentTest.cpp b/llvm/unittests/Support/AlignmentTest.cpp index 0b1435912b9..a6c053385cb 100644 --- a/llvm/unittests/Support/AlignmentTest.cpp +++ b/llvm/unittests/Support/AlignmentTest.cpp @@ -21,6 +21,28 @@ using namespace llvm; namespace { +TEST(AlignmentTest, AlignOfConstant) { + EXPECT_EQ(Align::Of<uint8_t>(), Align(alignof(uint8_t))); + EXPECT_EQ(Align::Of<uint16_t>(), Align(alignof(uint16_t))); + EXPECT_EQ(Align::Of<uint32_t>(), Align(alignof(uint32_t))); + EXPECT_EQ(Align::Of<uint64_t>(), Align(alignof(uint64_t))); +} + +TEST(AlignmentTest, AlignConstant) { + EXPECT_EQ(Align::Constant<1>(), Align(1)); + EXPECT_EQ(Align::Constant<2>(), Align(2)); + EXPECT_EQ(Align::Constant<4>(), Align(4)); + EXPECT_EQ(Align::Constant<8>(), Align(8)); + EXPECT_EQ(Align::Constant<16>(), Align(16)); + EXPECT_EQ(Align::Constant<32>(), Align(32)); + EXPECT_EQ(Align::Constant<64>(), Align(64)); +} + +TEST(AlignmentTest, AlignConstexprConstant) { + constexpr Align kConstantAlign = Align::Of<uint64_t>(); + EXPECT_EQ(Align(8), kConstantAlign); +} + std::vector<uint64_t> getValidAlignments() { std::vector<uint64_t> Out; for (size_t Shift = 0; Shift < 64; ++Shift) diff --git a/llvm/unittests/Support/MathExtrasTest.cpp b/llvm/unittests/Support/MathExtrasTest.cpp index 01c83c9e14d..e910d83b626 100644 --- a/llvm/unittests/Support/MathExtrasTest.cpp +++ b/llvm/unittests/Support/MathExtrasTest.cpp @@ -203,6 +203,25 @@ TEST(MathExtras, PowerOf2Floor) { EXPECT_EQ(4U, PowerOf2Floor(7U)); } +TEST(MathExtras, CTLog2) { + EXPECT_EQ(CTLog2<1ULL << 0>(), 0U); + EXPECT_EQ(CTLog2<1ULL << 1>(), 1U); + EXPECT_EQ(CTLog2<1ULL << 2>(), 2U); + EXPECT_EQ(CTLog2<1ULL << 3>(), 3U); + EXPECT_EQ(CTLog2<1ULL << 4>(), 4U); + EXPECT_EQ(CTLog2<1ULL << 5>(), 5U); + EXPECT_EQ(CTLog2<1ULL << 6>(), 6U); + EXPECT_EQ(CTLog2<1ULL << 7>(), 7U); + EXPECT_EQ(CTLog2<1ULL << 8>(), 8U); + EXPECT_EQ(CTLog2<1ULL << 9>(), 9U); + EXPECT_EQ(CTLog2<1ULL << 10>(), 10U); + EXPECT_EQ(CTLog2<1ULL << 11>(), 11U); + EXPECT_EQ(CTLog2<1ULL << 12>(), 12U); + EXPECT_EQ(CTLog2<1ULL << 13>(), 13U); + EXPECT_EQ(CTLog2<1ULL << 14>(), 14U); + EXPECT_EQ(CTLog2<1ULL << 15>(), 15U); +} + TEST(MathExtras, ByteSwap_32) { EXPECT_EQ(0x44332211u, ByteSwap_32(0x11223344)); EXPECT_EQ(0xDDCCBBAAu, ByteSwap_32(0xAABBCCDD)); |