diff options
Diffstat (limited to 'absl/base/optimization.h')
| -rw-r--r-- | absl/base/optimization.h | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/absl/base/optimization.h b/absl/base/optimization.h index 57999a18..db5cc097 100644 --- a/absl/base/optimization.h +++ b/absl/base/optimization.h @@ -249,28 +249,4 @@ #define ABSL_INTERNAL_UNIQUE_SMALL_NAME() #endif -// ABSL_IS_TRIVIALLY_RELOCATABLE(type) -// Detects whether a type is "trivially relocatable" -- meaning it can be -// relocated without invoking the constructor/destructor, using a form of move -// elision. -// -// Example: -// -// if constexpr (ABSL_IS_TRIVIALLY_RELOCATABLE(T)) { -// memcpy(new_location, old_location, sizeof(T)); -// } else { -// new(new_location) T(std::move(*old_location)); -// old_location->~T(); -// } -// -// Upstream documentation: -// -// https://clang.llvm.org/docs/LanguageExtensions.html#:~:text=__is_trivially_relocatable -// -#if ABSL_HAVE_BUILTIN(__is_trivially_relocatable) -#define ABSL_IS_TRIVIALLY_RELOCATABLE(type) __is_trivially_relocatable(type) -#else -#define ABSL_IS_TRIVIALLY_RELOCATABLE(type) false -#endif - #endif // ABSL_BASE_OPTIMIZATION_H_ |