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MathExtras: Bring Count(Trailing|Leading)Ones and CountPopulation in line with countTrailingZeros

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Update all callers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228930 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer
2015-02-12 15:35:40 +00:00
parent 6950b93dfd
commit d913d9d2c3
26 changed files with 129 additions and 147 deletions
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11
unittests/Support/MathExtrasTest.cpp
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@@ -141,21 +141,18 @@ TEST(MathExtras, ByteSwap_64) {
EXPECT_EQ(0x1100FFEEDDCCBBAAULL, ByteSwap_64(0xAABBCCDDEEFF0011LL));
}
TEST(MathExtras, CountLeadingOnes_32) {
TEST(MathExtras, countLeadingOnes) {
for (int i = 30; i >= 0; --i) {
// Start with all ones and unset some bit.
EXPECT_EQ(31u - i, CountLeadingOnes_32(0xFFFFFFFF ^ (1 << i)));
EXPECT_EQ(31u - i, countLeadingOnes(0xFFFFFFFF ^ (1 << i)));
}
}
TEST(MathExtras, CountLeadingOnes_64) {
for (int i = 62; i >= 0; --i) {
// Start with all ones and unset some bit.
EXPECT_EQ(63u - i, CountLeadingOnes_64(0xFFFFFFFFFFFFFFFFLL ^ (1LL << i)));
EXPECT_EQ(63u - i, countLeadingOnes(0xFFFFFFFFFFFFFFFFLL ^ (1LL << i)));
}
for (int i = 30; i >= 0; --i) {
// Start with all ones and unset some bit.
EXPECT_EQ(31u - i, CountLeadingOnes_32(0xFFFFFFFF ^ (1 << i)));
EXPECT_EQ(31u - i, countLeadingOnes(0xFFFFFFFF ^ (1 << i)));
}
}