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Remove unused NonIterableBitMask::HighestBitSet function.

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PiperOrigin-RevId: 781886211
Change-Id: Ia2bba19bfe8975c7a22148e043310df726465a5c
This commit is contained in:
Evan Brown
2025-07-11 01:50:19 -07:00
committed by Copybara-Service
parent 118924e83d
commit f76c21fad2
2 changed files with 0 additions and 11 deletions
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5
absl/container/internal/hashtable_control_bytes.h
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@@ -91,11 +91,6 @@ class NonIterableBitMask {
return container_internal::TrailingZeros(mask_) >> Shift;
}
// Returns the index of the highest *abstract* bit set in `self`.
uint32_t HighestBitSet() const {
return static_cast<uint32_t>((bit_width(mask_) - 1) >> Shift);
}
// Returns the number of trailing zero *abstract* bits.
uint32_t TrailingZeros() const {
return container_internal::TrailingZeros(mask_) >> Shift;

6
absl/container/internal/hashtable_control_bytes_test.cc
View File

@@ -165,13 +165,11 @@ TYPED_TEST(GroupTest, MaskEmpty) {
CtrlT(7), CtrlT(5), CtrlT(3), CtrlT(1),
CtrlT(1), CtrlT(1), CtrlT(1), CtrlT(1)};
EXPECT_THAT(GroupType{group}.MaskEmpty().LowestBitSet(), 0);
EXPECT_THAT(GroupType{group}.MaskEmpty().HighestBitSet(), 4);
} else if (GroupType::kWidth == 8) {
ctrl_t group[] = {ctrl_t::kEmpty, CtrlT(1), CtrlT(2),
ctrl_t::kDeleted, CtrlT(2), CtrlT(1),
ctrl_t::kSentinel, CtrlT(1)};
EXPECT_THAT(GroupType{group}.MaskEmpty().LowestBitSet(), 0);
EXPECT_THAT(GroupType{group}.MaskEmpty().HighestBitSet(), 0);
} else {
FAIL() << "No test coverage for Group::kWidth==" << GroupType::kWidth;
}
@@ -225,13 +223,11 @@ TYPED_TEST(GroupTest, MaskEmptyOrDeleted) {
CtrlT(7), CtrlT(5), CtrlT(3), CtrlT(1),
CtrlT(1), CtrlT(1), CtrlT(1), CtrlT(1)};
EXPECT_THAT(GroupType{group}.MaskEmptyOrDeleted().LowestBitSet(), 0);
EXPECT_THAT(GroupType{group}.MaskEmptyOrDeleted().HighestBitSet(), 4);
} else if (GroupType::kWidth == 8) {
ctrl_t group[] = {ctrl_t::kEmpty, CtrlT(1), CtrlT(2),
ctrl_t::kDeleted, CtrlT(2), CtrlT(1),
ctrl_t::kSentinel, CtrlT(1)};
EXPECT_THAT(GroupType{group}.MaskEmptyOrDeleted().LowestBitSet(), 0);
EXPECT_THAT(GroupType{group}.MaskEmptyOrDeleted().HighestBitSet(), 3);
} else {
FAIL() << "No test coverage for Group::kWidth==" << GroupType::kWidth;
}
@@ -247,13 +243,11 @@ TYPED_TEST(GroupTest, MaskFullOrSentinel) {
ctrl_t::kEmpty, ctrl_t::kDeleted, ctrl_t::kDeleted, ctrl_t::kDeleted,
};
EXPECT_THAT(GroupType{group}.MaskFullOrSentinel().LowestBitSet(), 3);
EXPECT_THAT(GroupType{group}.MaskFullOrSentinel().HighestBitSet(), 6);
} else if (GroupType::kWidth == 8) {
ctrl_t group[] = {ctrl_t::kEmpty, ctrl_t::kDeleted, CtrlT(2),
ctrl_t::kDeleted, CtrlT(2), ctrl_t::kSentinel,
ctrl_t::kDeleted, ctrl_t::kEmpty};
EXPECT_THAT(GroupType{group}.MaskFullOrSentinel().LowestBitSet(), 2);
EXPECT_THAT(GroupType{group}.MaskFullOrSentinel().HighestBitSet(), 5);
} else {
FAIL() << "No test coverage for Group::kWidth==" << GroupType::kWidth;
}