#define LLVM_MSC_PREREQ(version) 0
#endif
+/// \macro LLVM_HAS_RVALUE_REFERENCE_THIS
/// Does the compiler support ref-qualifiers for *this?
///
/// Sadly, this is separate from just rvalue reference support because GCC
#define LLVM_HAS_RVALUE_REFERENCE_THIS 0
#endif
+/// \macro LLVM_LVALUE_FUNCTION
/// Expands to '&' if ref-qualifiers for *this are supported.
///
/// This can be used to provide lvalue/rvalue overrides of member functions.
#define LLVM_LVALUE_FUNCTION
#endif
-/// LLVM_LIBRARY_VISIBILITY - If a class marked with this attribute is linked
-/// into a shared library, then the class should be private to the library and
-/// not accessible from outside it. Can also be used to mark variables and
-/// functions, making them private to any shared library they are linked into.
-/// On PE/COFF targets, library visibility is the default, so this isn't needed.
-#if (__has_attribute(visibility) || LLVM_GNUC_PREREQ(4, 0, 0)) && \
+/// \macro LLVM_LIBRARY_VISIBILITY
+/// If a class marked with this attribute is linked into a shared library, then
+/// the class should be private to the library and not accessible from outside
+/// it. Can also be used to mark variables and functions, making them private to
+/// any shared library they are linked into. On PE/COFF targets, library
+/// visibility is the default, so this isn't needed.
+#if __has_attribute(visibility) && \
!defined(__MINGW32__) && !defined(__CYGWIN__) && !defined(_WIN32)
#define LLVM_LIBRARY_VISIBILITY __attribute__ ((visibility("hidden")))
#else
#define LLVM_LIBRARY_VISIBILITY
#endif
+/// \macro LLVM_PREFETCH
#if defined(__GNUC__)
#define LLVM_PREFETCH(addr, rw, locality) __builtin_prefetch(addr, rw, locality)
#else
#define LLVM_PREFETCH(addr, rw, locality)
#endif
-#if __has_attribute(used) || LLVM_GNUC_PREREQ(3, 1, 0)
+/// \macro LLVM_ATTRIBUTE_USED
+#if __has_attribute(used)
#define LLVM_ATTRIBUTE_USED __attribute__((__used__))
#else
#define LLVM_ATTRIBUTE_USED
#endif
-/// LLVM_NODISCARD - Warn if a type or return value is discarded.
+/// \macro LLVM_NODISCARD
+/// Warn if a type or return value is discarded.
#if __cplusplus > 201402L && __has_cpp_attribute(nodiscard)
#define LLVM_NODISCARD [[nodiscard]]
#elif !__cplusplus
#define LLVM_NODISCARD
#endif
-// Indicate that a non-static, non-const C++ member function reinitializes
-// the entire object to a known state, independent of the previous state of
-// the object.
-//
-// The clang-tidy check bugprone-use-after-move recognizes this attribute as a
-// marker that a moved-from object has left the indeterminate state and can be
-// reused.
+/// \macro LLVM_ATTRIBUTE_REINITIALIZES
+///
+/// Indicate that a non-static, non-const C++ member function reinitializes the
+/// entire object to a known state, independent of the previous state of the
+/// object.
+///
+/// The clang-tidy check bugprone-use-after-move recognizes this attribute as a
+/// marker that a moved-from object has left the indeterminate state and can be
+/// reused.
#if __has_cpp_attribute(clang::reinitializes)
#define LLVM_ATTRIBUTE_REINITIALIZES [[clang::reinitializes]]
#else
#define LLVM_ATTRIBUTE_REINITIALIZES
#endif
-// Some compilers warn about unused functions. When a function is sometimes
-// used or not depending on build settings (e.g. a function only called from
-// within "assert"), this attribute can be used to suppress such warnings.
-//
-// However, it shouldn't be used for unused *variables*, as those have a much
-// more portable solution:
-// (void)unused_var_name;
-// Prefer cast-to-void wherever it is sufficient.
-#if __has_attribute(unused) || LLVM_GNUC_PREREQ(3, 1, 0)
+/// \macro LLVM_ATTRIBUTE_UNUSED
+///
+/// Some compilers warn about unused functions. When a function is sometimes
+/// used or not depending on build settings (e.g. a function only called from
+/// within "assert"), this attribute can be used to suppress such warnings.
+///
+/// However, it shouldn't be used for unused *variables*, as those have a much
+/// more portable solution:
+/// (void)unused_var_name;
+/// Prefer cast-to-void wherever it is sufficient.
+#if __has_attribute(unused)
#define LLVM_ATTRIBUTE_UNUSED __attribute__((__unused__))
#else
#define LLVM_ATTRIBUTE_UNUSED
#endif
+/// \macro LLVM_ATTRIBUTE_WEAK
// FIXME: Provide this for PE/COFF targets.
-#if (__has_attribute(weak) || LLVM_GNUC_PREREQ(4, 0, 0)) && \
+#if __has_attribute(weak) && \
(!defined(__MINGW32__) && !defined(__CYGWIN__) && !defined(_WIN32))
#define LLVM_ATTRIBUTE_WEAK __attribute__((__weak__))
#else
#define LLVM_ATTRIBUTE_WEAK
#endif
-// Prior to clang 3.2, clang did not accept any spelling of
-// __has_attribute(const), so assume it is supported.
+/// \macro LLVM_READNONE
#if defined(__clang__) || defined(__GNUC__)
// aka 'CONST' but following LLVM Conventions.
#define LLVM_READNONE __attribute__((__const__))
#define LLVM_READNONE
#endif
+/// \macro LLVM_READONLY
#if __has_attribute(pure) || defined(__GNUC__)
// aka 'PURE' but following LLVM Conventions.
#define LLVM_READONLY __attribute__((__pure__))
#define LLVM_READONLY
#endif
-#if __has_builtin(__builtin_expect) || LLVM_GNUC_PREREQ(4, 0, 0)
+/// \macro LLVM_LIKELY
+/// \macro LLVM_UNLIKELY
+#if __has_builtin(__builtin_expect)
#define LLVM_LIKELY(EXPR) __builtin_expect((bool)(EXPR), true)
#define LLVM_UNLIKELY(EXPR) __builtin_expect((bool)(EXPR), false)
#else
#define LLVM_UNLIKELY(EXPR) (EXPR)
#endif
-/// LLVM_ATTRIBUTE_NOINLINE - On compilers where we have a directive to do so,
-/// mark a method "not for inlining".
-#if __has_attribute(noinline) || LLVM_GNUC_PREREQ(3, 4, 0)
+/// \macro LLVM_ATTRIBUTE_NOINLINE
+/// On compilers where we have a directive to do so, mark a method "not for
+/// inlining".
+#if __has_attribute(noinline)
#define LLVM_ATTRIBUTE_NOINLINE __attribute__((noinline))
#elif defined(_MSC_VER)
#define LLVM_ATTRIBUTE_NOINLINE __declspec(noinline)
#define LLVM_ATTRIBUTE_NOINLINE
#endif
-/// LLVM_ATTRIBUTE_ALWAYS_INLINE - On compilers where we have a directive to do
-/// so, mark a method "always inline" because it is performance sensitive. GCC
-/// 3.4 supported this but is buggy in various cases and produces unimplemented
-/// errors, just use it in GCC 4.0 and later.
-#if __has_attribute(always_inline) || LLVM_GNUC_PREREQ(4, 0, 0)
+/// \macro LLVM_ATTRIBUTE_ALWAYS_INLINE
+/// On compilers where we have a directive to do so, mark a method "always
+/// inline" because it is performance sensitive. GCC 3.4 supported this but is
+/// buggy in various cases and produces unimplemented errors, just use it in GCC
+/// 4.0 and later.
+#if __has_attribute(always_inline)
#define LLVM_ATTRIBUTE_ALWAYS_INLINE __attribute__((always_inline))
#elif defined(_MSC_VER)
#define LLVM_ATTRIBUTE_ALWAYS_INLINE __forceinline
#define LLVM_ATTRIBUTE_ALWAYS_INLINE
#endif
+/// \macro LLVM_ATTRIBUTE_NORETURN
#ifdef __GNUC__
#define LLVM_ATTRIBUTE_NORETURN __attribute__((noreturn))
#elif defined(_MSC_VER)
#define LLVM_ATTRIBUTE_NORETURN
#endif
+/// \macro LLVM_ATTRIBUTE_RETURNS_NONNULL
#if __has_attribute(returns_nonnull) || LLVM_GNUC_PREREQ(4, 9, 0)
#define LLVM_ATTRIBUTE_RETURNS_NONNULL __attribute__((returns_nonnull))
#elif defined(_MSC_VER)
#define LLVM_ATTRIBUTE_RETURNS_NONNULL
#endif
-/// \macro LLVM_ATTRIBUTE_RETURNS_NOALIAS Used to mark a function as returning a
-/// pointer that does not alias any other valid pointer.
+/// \macro LLVM_ATTRIBUTE_RETURNS_NOALIAS
+/// Used to mark a function as returning a pointer that does not alias any other
+/// valid pointer.
#ifdef __GNUC__
#define LLVM_ATTRIBUTE_RETURNS_NOALIAS __attribute__((__malloc__))
#elif defined(_MSC_VER)
#define LLVM_ATTRIBUTE_RETURNS_NOALIAS
#endif
-/// LLVM_FALLTHROUGH - Mark fallthrough cases in switch statements.
+/// \macro LLVM_FALLTHROUGH
+/// Mark fallthrough cases in switch statements.
#if __cplusplus > 201402L && __has_cpp_attribute(fallthrough)
#define LLVM_FALLTHROUGH [[fallthrough]]
#elif __has_cpp_attribute(gnu::fallthrough)
#define LLVM_FALLTHROUGH
#endif
-/// LLVM_REQUIRE_CONSTANT_INITIALIZATION - Apply this to globals to ensure that
-/// they are constant initialized.
+/// \macro LLVM_REQUIRE_CONSTANT_INITIALIZATION
+/// Apply this to globals to ensure that they are constant initialized.
#if __has_cpp_attribute(clang::require_constant_initialization)
#define LLVM_REQUIRE_CONSTANT_INITIALIZATION \
[[clang::require_constant_initialization]]
#define LLVM_REQUIRE_CONSTANT_INITIALIZATION
#endif
-/// LLVM_EXTENSION - Support compilers where we have a keyword to suppress
-/// pedantic diagnostics.
+/// \macro LLVM_EXTENSION
+/// Support compilers where we have a keyword to suppress pedantic diagnostics.
#ifdef __GNUC__
#define LLVM_EXTENSION __extension__
#else
decl
#endif
-/// LLVM_BUILTIN_UNREACHABLE - On compilers which support it, expands
-/// to an expression which states that it is undefined behavior for the
-/// compiler to reach this point. Otherwise is not defined.
-#if __has_builtin(__builtin_unreachable) || LLVM_GNUC_PREREQ(4, 5, 0)
+/// On compilers which support it, expands to an expression which states that it
+/// is undefined behavior for the compiler to reach this point. Otherwise is not
+/// defined.
+#if __has_builtin(__builtin_unreachable)
# define LLVM_BUILTIN_UNREACHABLE __builtin_unreachable()
#elif defined(_MSC_VER)
# define LLVM_BUILTIN_UNREACHABLE __assume(false)
#endif
-/// LLVM_BUILTIN_TRAP - On compilers which support it, expands to an expression
-/// which causes the program to exit abnormally.
-#if __has_builtin(__builtin_trap) || LLVM_GNUC_PREREQ(4, 3, 0)
+/// On compilers which support it, expands to an expression which causes the
+/// program to exit abnormally.
+#if __has_builtin(__builtin_trap)
# define LLVM_BUILTIN_TRAP __builtin_trap()
#elif defined(_MSC_VER)
// The __debugbreak intrinsic is supported by MSVC, does not require forward
# define LLVM_BUILTIN_TRAP *(volatile int*)0x11 = 0
#endif
-/// LLVM_BUILTIN_DEBUGTRAP - On compilers which support it, expands to
-/// an expression which causes the program to break while running
-/// under a debugger.
+/// \macro LLVM_BUILTIN_DEBUGTRAP
+/// On compilers which support it, expands to an expression which causes the
+/// program to break while running under a debugger.
#if __has_builtin(__builtin_debugtrap)
# define LLVM_BUILTIN_DEBUGTRAP __builtin_debugtrap()
#elif defined(_MSC_VER)
/// \macro LLVM_ASSUME_ALIGNED
/// Returns a pointer with an assumed alignment.
-#if __has_builtin(__builtin_assume_aligned) || LLVM_GNUC_PREREQ(4, 7, 0)
+#if __has_builtin(__builtin_assume_aligned)
# define LLVM_ASSUME_ALIGNED(p, a) __builtin_assume_aligned(p, a)
#elif defined(LLVM_BUILTIN_UNREACHABLE)
// As of today, clang does not support __builtin_assume_aligned.
#define LLVM_NO_SANITIZE(KIND)
#endif
+/// \macro LLVM_DUMP_METHOD
/// Mark debug helper function definitions like dump() that should not be
/// stripped from debug builds.
/// Note that you should also surround dump() functions with
projects / llvm / commitdiff