From b3af236fb5fc6e50fcc1b54d868f0bff557f3fb1 Mon Sep 17 00:00:00 2001 From: Guillaume Chatelet Date: Thu, 3 Oct 2019 10:53:10 +0000 Subject: [Alignment][NFC] Allow constexpr Align Summary: This is patch is part of a series to introduce an Alignment type. See this thread for context: http://lists.llvm.org/pipermail/llvm-dev/2019-July/133851.html See this patch for the introduction of the type: https://reviews.llvm.org/D64790 Reviewers: courbet Subscribers: hiraditya, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D68329 llvm-svn: 373580 --- llvm/unittests/Support/MathExtrasTest.cpp | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'llvm/unittests/Support/MathExtrasTest.cpp') diff --git a/llvm/unittests/Support/MathExtrasTest.cpp b/llvm/unittests/Support/MathExtrasTest.cpp index 01c83c9e14d..00d037ad110 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>(), 0); + EXPECT_EQ(CTLog2<1ULL << 1>(), 1); + EXPECT_EQ(CTLog2<1ULL << 2>(), 2); + EXPECT_EQ(CTLog2<1ULL << 3>(), 3); + EXPECT_EQ(CTLog2<1ULL << 4>(), 4); + EXPECT_EQ(CTLog2<1ULL << 5>(), 5); + EXPECT_EQ(CTLog2<1ULL << 6>(), 6); + EXPECT_EQ(CTLog2<1ULL << 7>(), 7); + EXPECT_EQ(CTLog2<1ULL << 8>(), 8); + EXPECT_EQ(CTLog2<1ULL << 9>(), 9); + EXPECT_EQ(CTLog2<1ULL << 10>(), 10); + EXPECT_EQ(CTLog2<1ULL << 11>(), 11); + EXPECT_EQ(CTLog2<1ULL << 12>(), 12); + EXPECT_EQ(CTLog2<1ULL << 13>(), 13); + EXPECT_EQ(CTLog2<1ULL << 14>(), 14); + EXPECT_EQ(CTLog2<1ULL << 15>(), 15); +} + TEST(MathExtras, ByteSwap_32) { EXPECT_EQ(0x44332211u, ByteSwap_32(0x11223344)); EXPECT_EQ(0xDDCCBBAAu, ByteSwap_32(0xAABBCCDD)); -- cgit v1.2.3