[libcxx-commits] [libcxx] [libc++] Add ABI tests for unordered_{map, set} (PR #107200)
via libcxx-commits
libcxx-commits at lists.llvm.org
Thu Sep 5 04:53:51 PDT 2024
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-libcxx
Author: Nikolas Klauser (philnik777)
<details>
<summary>Changes</summary>
These are used to ensure #<!-- -->76756 is correct.
---
Full diff: https://github.com/llvm/llvm-project/pull/107200.diff
3 Files Affected:
- (added) libcxx/test/libcxx/containers/associative/unord.map/abi.compile.pass.cpp (+134)
- (added) libcxx/test/libcxx/containers/associative/unord.set/abi.compile.pass.cpp (+132)
- (modified) libcxx/utils/libcxx/test/features.py (+1)
``````````diff
diff --git a/libcxx/test/libcxx/containers/associative/unord.map/abi.compile.pass.cpp b/libcxx/test/libcxx/containers/associative/unord.map/abi.compile.pass.cpp
new file mode 100644
index 00000000000000..c8e5ba0ec899eb
--- /dev/null
+++ b/libcxx/test/libcxx/containers/associative/unord.map/abi.compile.pass.cpp
@@ -0,0 +1,134 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// UNSUPPORTED: libcpp-has-abi-fix-unordered-container-size-type
+
+#include <cstdint>
+#include <unordered_map>
+
+#include "min_allocator.h"
+#include "test_allocator.h"
+#include "test_macros.h"
+
+template <class T>
+class small_pointer {
+ std::uint16_t offset;
+};
+
+template <class T>
+class small_iter_allocator {
+public:
+ using value_type = T;
+ using pointer = small_pointer<T>;
+ using size_type = std::uint16_t;
+ using difference_type = std::int16_t;
+
+ small_iter_allocator() TEST_NOEXCEPT {}
+
+ template <class U>
+ small_iter_allocator(small_iter_allocator<U>) TEST_NOEXCEPT {}
+
+ T* allocate(std::size_t n);
+ void deallocate(T* p, std::size_t);
+
+ friend bool operator==(small_iter_allocator, small_iter_allocator) { return true; }
+ friend bool operator!=(small_iter_allocator, small_iter_allocator) { return false; }
+};
+
+template <class T>
+class final_small_iter_allocator final {
+public:
+ using value_type = T;
+ using pointer = small_pointer<T>;
+ using size_type = std::uint16_t;
+ using difference_type = std::int16_t;
+
+ final_small_iter_allocator() TEST_NOEXCEPT {}
+
+ template <class U>
+ final_small_iter_allocator(final_small_iter_allocator<U>) TEST_NOEXCEPT {}
+
+ T* allocate(std::size_t n);
+ void deallocate(T* p, std::size_t);
+
+ friend bool operator==(final_small_iter_allocator, final_small_iter_allocator) { return true; }
+ friend bool operator!=(final_small_iter_allocator, final_small_iter_allocator) { return false; }
+};
+
+template <class T, class Alloc>
+using unordered_map_alloc = std::unordered_map<T, T, std::hash<T>, std::equal_to<T>, Alloc>;
+
+#if __SIZE_WIDTH__ == 64
+
+static_assert(sizeof(unordered_map_alloc<int, std::allocator<std::pair<const int, int> > >) == 40, "");
+static_assert(sizeof(unordered_map_alloc<int, min_allocator<std::pair<const int, int> > >) == 40, "");
+static_assert(sizeof(unordered_map_alloc<int, test_allocator<std::pair<const int, int> > >) == 64, "");
+static_assert(sizeof(unordered_map_alloc<int, small_iter_allocator<std::pair<const int, int> > >) == 12, "");
+static_assert(sizeof(unordered_map_alloc<int, final_small_iter_allocator<std::pair<const int, int> > >) == 16, "");
+
+static_assert(sizeof(unordered_map_alloc<char, std::allocator<std::pair<const char, char> > >) == 40, "");
+static_assert(sizeof(unordered_map_alloc<char, min_allocator<std::pair<const char, char> > >) == 40, "");
+static_assert(sizeof(unordered_map_alloc<char, test_allocator<std::pair<const char, char> > >) == 64, "");
+static_assert(sizeof(unordered_map_alloc<char, small_iter_allocator<std::pair<const char, char> > >) == 12, "");
+static_assert(sizeof(unordered_map_alloc<char, final_small_iter_allocator<std::pair<const char, char> > >) == 16, "");
+
+static_assert(TEST_ALIGNOF(unordered_map_alloc<int, std::allocator<std::pair<const int, int> > >) == 8, "");
+static_assert(TEST_ALIGNOF(unordered_map_alloc<int, min_allocator<std::pair<const int, int> > >) == 8, "");
+static_assert(TEST_ALIGNOF(unordered_map_alloc<int, test_allocator<std::pair<const int, int> > >) == 8, "");
+static_assert(TEST_ALIGNOF(unordered_map_alloc<int, small_iter_allocator<std::pair<const int, int> > >) == 4, "");
+static_assert(TEST_ALIGNOF(unordered_map_alloc<int, final_small_iter_allocator<std::pair<const int, int> > >) == 4, "");
+
+static_assert(TEST_ALIGNOF(unordered_map_alloc<char, std::allocator<std::pair<const char, char> > >) == 8, "");
+static_assert(TEST_ALIGNOF(unordered_map_alloc<char, min_allocator<std::pair<const char, char> > >) == 8, "");
+static_assert(TEST_ALIGNOF(unordered_map_alloc<char, test_allocator<std::pair<const char, char> > >) == 8, "");
+static_assert(TEST_ALIGNOF(unordered_map_alloc<char, small_iter_allocator<std::pair<const char, char> > >) == 4, "");
+static_assert(TEST_ALIGNOF(unordered_map_alloc<char, final_small_iter_allocator<std::pair<const char, char> > >) == 4,
+ "");
+
+struct TEST_ALIGNAS(32) AlignedHash {};
+struct UnalignedEqualTo {};
+
+static_assert(sizeof(std::unordered_map<int, int, AlignedHash, UnalignedEqualTo>) == 96, "");
+static_assert(TEST_ALIGNOF(std::unordered_map<int, int, AlignedHash, UnalignedEqualTo>) == 32, "");
+
+#elif __SIZE_WIDTH__ == 32
+
+static_assert(sizeof(unordered_map_alloc<int, std::allocator<std::pair<const int, int> > >) == 20, "");
+static_assert(sizeof(unordered_map_alloc<int, min_allocator<std::pair<const int, int> > >) == 20, "");
+static_assert(sizeof(unordered_map_alloc<int, test_allocator<std::pair<const int, int> > >) == 44, "");
+static_assert(sizeof(unordered_map_alloc<int, small_iter_allocator<std::pair<const int, int> > >) == 12, "");
+static_assert(sizeof(unordered_map_alloc<int, final_small_iter_allocator<std::pair<const int, int> > >) == 16, "");
+
+static_assert(sizeof(unordered_map_alloc<char, std::allocator<std::pair<const char, char> > >) == 20, "");
+static_assert(sizeof(unordered_map_alloc<char, min_allocator<std::pair<const char, char> > >) == 20, "");
+static_assert(sizeof(unordered_map_alloc<char, test_allocator<std::pair<const char, char> > >) == 44, "");
+static_assert(sizeof(unordered_map_alloc<char, small_iter_allocator<std::pair<const char, char> > >) == 12, "");
+static_assert(sizeof(unordered_map_alloc<char, final_small_iter_allocator<std::pair<const char, char> > >) == 16, "");
+
+static_assert(TEST_ALIGNOF(unordered_map_alloc<int, std::allocator<std::pair<const int, int> > >) == 4, "");
+static_assert(TEST_ALIGNOF(unordered_map_alloc<int, min_allocator<std::pair<const int, int> > >) == 4, "");
+static_assert(TEST_ALIGNOF(unordered_map_alloc<int, test_allocator<std::pair<const int, int> > >) == 4, "");
+static_assert(TEST_ALIGNOF(unordered_map_alloc<int, small_iter_allocator<std::pair<const int, int> > >) == 4, "");
+static_assert(TEST_ALIGNOF(unordered_map_alloc<int, final_small_iter_allocator<std::pair<const int, int> > >) == 4, "");
+
+static_assert(TEST_ALIGNOF(unordered_map_alloc<char, std::allocator<std::pair<const char, char> > >) == 4, "");
+static_assert(TEST_ALIGNOF(unordered_map_alloc<char, min_allocator<std::pair<const char, char> > >) == 4, "");
+static_assert(TEST_ALIGNOF(unordered_map_alloc<char, test_allocator<std::pair<const char, char> > >) == 4, "");
+static_assert(TEST_ALIGNOF(unordered_map_alloc<char, small_iter_allocator<std::pair<const char, char> > >) == 4, "");
+static_assert(TEST_ALIGNOF(unordered_map_alloc<char, final_small_iter_allocator<std::pair<const char, char> > >) == 4,
+ "");
+
+struct TEST_ALIGNAS(32) AlignedHash {};
+struct UnalignedEqualTo {};
+
+static_assert(sizeof(std::unordered_map<int, int, AlignedHash, UnalignedEqualTo>) == 96);
+static_assert(TEST_ALIGNOF(std::unordered_map<int, int, AlignedHash, UnalignedEqualTo>) == 32);
+
+#else
+# error std::size_t has an unexpected size
+#endif
diff --git a/libcxx/test/libcxx/containers/associative/unord.set/abi.compile.pass.cpp b/libcxx/test/libcxx/containers/associative/unord.set/abi.compile.pass.cpp
new file mode 100644
index 00000000000000..359e248ff7a4f0
--- /dev/null
+++ b/libcxx/test/libcxx/containers/associative/unord.set/abi.compile.pass.cpp
@@ -0,0 +1,132 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// UNSUPPORTED: libcpp-has-abi-fix-unordered-container-size-type
+
+#include <cstdint>
+#include <unordered_set>
+
+#include "min_allocator.h"
+#include "test_allocator.h"
+#include "test_macros.h"
+
+template <class T>
+class small_pointer {
+ std::uint16_t offset;
+};
+
+template <class T>
+class small_iter_allocator {
+public:
+ using value_type = T;
+ using pointer = small_pointer<T>;
+ using size_type = std::uint16_t;
+ using difference_type = std::int16_t;
+
+ small_iter_allocator() TEST_NOEXCEPT {}
+
+ template <class U>
+ small_iter_allocator(small_iter_allocator<U>) TEST_NOEXCEPT {}
+
+ T* allocate(std::size_t n);
+ void deallocate(T* p, std::size_t);
+
+ friend bool operator==(small_iter_allocator, small_iter_allocator) { return true; }
+ friend bool operator!=(small_iter_allocator, small_iter_allocator) { return false; }
+};
+
+template <class T>
+class final_small_iter_allocator final {
+public:
+ using value_type = T;
+ using pointer = small_pointer<T>;
+ using size_type = std::uint16_t;
+ using difference_type = std::int16_t;
+
+ final_small_iter_allocator() TEST_NOEXCEPT {}
+
+ template <class U>
+ final_small_iter_allocator(final_small_iter_allocator<U>) TEST_NOEXCEPT {}
+
+ T* allocate(std::size_t n);
+ void deallocate(T* p, std::size_t);
+
+ friend bool operator==(final_small_iter_allocator, final_small_iter_allocator) { return true; }
+ friend bool operator!=(final_small_iter_allocator, final_small_iter_allocator) { return false; }
+};
+
+template <class T, class Alloc>
+using unordered_set_alloc = std::unordered_set<T, std::hash<T>, std::equal_to<T>, Alloc>;
+
+#if __SIZE_WIDTH__ == 64
+
+static_assert(sizeof(unordered_set_alloc<int, std::allocator<int> >) == 40, "");
+static_assert(sizeof(unordered_set_alloc<int, min_allocator<int> >) == 40, "");
+static_assert(sizeof(unordered_set_alloc<int, test_allocator<int> >) == 64, "");
+static_assert(sizeof(unordered_set_alloc<int, small_iter_allocator<int> >) == 12, "");
+static_assert(sizeof(unordered_set_alloc<int, final_small_iter_allocator<int> >) == 16, "");
+
+static_assert(sizeof(unordered_set_alloc<char, std::allocator<char> >) == 40, "");
+static_assert(sizeof(unordered_set_alloc<char, min_allocator<char> >) == 40, "");
+static_assert(sizeof(unordered_set_alloc<char, test_allocator<char> >) == 64, "");
+static_assert(sizeof(unordered_set_alloc<char, small_iter_allocator<char> >) == 12, "");
+static_assert(sizeof(unordered_set_alloc<char, final_small_iter_allocator<char> >) == 16, "");
+
+static_assert(TEST_ALIGNOF(unordered_set_alloc<int, std::allocator<int> >) == 8, "");
+static_assert(TEST_ALIGNOF(unordered_set_alloc<int, min_allocator<int> >) == 8, "");
+static_assert(TEST_ALIGNOF(unordered_set_alloc<int, test_allocator<int> >) == 8, "");
+static_assert(TEST_ALIGNOF(unordered_set_alloc<int, small_iter_allocator<int> >) == 4, "");
+static_assert(TEST_ALIGNOF(unordered_set_alloc<int, final_small_iter_allocator<int> >) == 4, "");
+
+static_assert(TEST_ALIGNOF(unordered_set_alloc<char, std::allocator<char> >) == 8, "");
+static_assert(TEST_ALIGNOF(unordered_set_alloc<char, min_allocator<char> >) == 8, "");
+static_assert(TEST_ALIGNOF(unordered_set_alloc<char, test_allocator<char> >) == 8, "");
+static_assert(TEST_ALIGNOF(unordered_set_alloc<char, small_iter_allocator<char> >) == 4, "");
+static_assert(TEST_ALIGNOF(unordered_set_alloc<char, final_small_iter_allocator<char> >) == 4, "");
+
+struct TEST_ALIGNAS(32) AlignedHash {};
+struct UnalignedEqualTo {};
+
+static_assert(sizeof(std::unordered_set<int, AlignedHash, UnalignedEqualTo>) == 96, "");
+static_assert(TEST_ALIGNOF(std::unordered_set<int, AlignedHash, UnalignedEqualTo>) == 32, "");
+
+#elif __SIZE_WIDTH__ == 32
+
+static_assert(sizeof(unordered_set_alloc<int, std::allocator<int> >) == 20, "");
+static_assert(sizeof(unordered_set_alloc<int, min_allocator<int> >) == 20, "");
+static_assert(sizeof(unordered_set_alloc<int, test_allocator<int> >) == 44, "");
+static_assert(sizeof(unordered_set_alloc<int, small_iter_allocator<int> >) == 12, "");
+static_assert(sizeof(unordered_set_alloc<int, final_small_iter_allocator<int> >) == 16, "");
+
+static_assert(sizeof(unordered_set_alloc<char, std::allocator<char> >) == 20, "");
+static_assert(sizeof(unordered_set_alloc<char, min_allocator<char> >) == 20, "");
+static_assert(sizeof(unordered_set_alloc<char, test_allocator<char> >) == 44, "");
+static_assert(sizeof(unordered_set_alloc<char, small_iter_allocator<char> >) == 12, "");
+static_assert(sizeof(unordered_set_alloc<char, final_small_iter_allocator<char> >) == 16, "");
+
+static_assert(TEST_ALIGNOF(unordered_set_alloc<int, std::allocator<int> >) == 4, "");
+static_assert(TEST_ALIGNOF(unordered_set_alloc<int, min_allocator<int> >) == 4, "");
+static_assert(TEST_ALIGNOF(unordered_set_alloc<int, test_allocator<int> >) == 4, "");
+static_assert(TEST_ALIGNOF(unordered_set_alloc<int, small_iter_allocator<int> >) == 4, "");
+static_assert(TEST_ALIGNOF(unordered_set_alloc<int, final_small_iter_allocator<int> >) == 4, "");
+
+static_assert(TEST_ALIGNOF(unordered_set_alloc<char, std::allocator<char> >) == 4, "");
+static_assert(TEST_ALIGNOF(unordered_set_alloc<char, min_allocator<char> >) == 4, "");
+static_assert(TEST_ALIGNOF(unordered_set_alloc<char, test_allocator<char> >) == 4, "");
+static_assert(TEST_ALIGNOF(unordered_set_alloc<char, small_iter_allocator<char> >) == 4, "");
+static_assert(TEST_ALIGNOF(unordered_set_alloc<char, final_small_iter_allocator<char> >) == 4, "");
+
+struct TEST_ALIGNAS(32) AlignedHash {};
+struct UnalignedEqualTo {};
+
+static_assert(sizeof(std::unordered_set<int, AlignedHash, UnalignedEqualTo>) == 96);
+static_assert(TEST_ALIGNOF(std::unordered_set<int, AlignedHash, UnalignedEqualTo>) == 32);
+
+#else
+# error std::size_t has an unexpected size
+#endif
diff --git a/libcxx/utils/libcxx/test/features.py b/libcxx/utils/libcxx/test/features.py
index 6857a28eb32995..2cd04124a6ca5e 100644
--- a/libcxx/utils/libcxx/test/features.py
+++ b/libcxx/utils/libcxx/test/features.py
@@ -374,6 +374,7 @@ def _mingwSupportsModules(cfg):
"_LIBCPP_ABI_BOUNDED_ITERATORS": "libcpp-has-abi-bounded-iterators",
"_LIBCPP_ABI_BOUNDED_ITERATORS_IN_STRING": "libcpp-has-abi-bounded-iterators-in-string",
"_LIBCPP_ABI_BOUNDED_ITERATORS_IN_VECTOR": "libcpp-has-abi-bounded-iterators-in-vector",
+ "_LIBCPP_ABI_FIX_UNORDERED_CONTAINER_SIZE_TYPE": "libcpp-has-abi-fix-unordered-container-size-type",
"_LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR": "libcpp-deprecated-abi-disable-pair-trivial-copy-ctor",
"_LIBCPP_HAS_NO_FILESYSTEM": "no-filesystem",
"_LIBCPP_HAS_NO_RANDOM_DEVICE": "no-random-device",
``````````
</details>
https://github.com/llvm/llvm-project/pull/107200
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