15#ifndef LLVM_SUPPORT_COMPILER_H
16#define LLVM_SUPPORT_COMPILER_H
18#include "llvm/Config/llvm-config.h"
27# define __has_feature(x) 0
30#ifndef __has_extension
31# define __has_extension(x) 0
34#ifndef __has_attribute
35# define __has_attribute(x) 0
39# define __has_builtin(x) 0
43# define __has_include(x) 0
48#ifndef LLVM_HAS_CPP_ATTRIBUTE
49#if defined(__cplusplus) && defined(__has_cpp_attribute)
50# define LLVM_HAS_CPP_ATTRIBUTE(x) __has_cpp_attribute(x)
52# define LLVM_HAS_CPP_ATTRIBUTE(x) 0
59#ifndef LLVM_GNUC_PREREQ
60# if defined(__GNUC__) && defined(__GNUC_MINOR__) && defined(__GNUC_PATCHLEVEL__)
61# define LLVM_GNUC_PREREQ(maj, min, patch) \
62 ((__GNUC__ << 20) + (__GNUC_MINOR__ << 10) + __GNUC_PATCHLEVEL__ >= \
63 ((maj) << 20) + ((min) << 10) + (patch))
64# elif defined(__GNUC__) && defined(__GNUC_MINOR__)
65# define LLVM_GNUC_PREREQ(maj, min, patch) \
66 ((__GNUC__ << 20) + (__GNUC_MINOR__ << 10) >= ((maj) << 20) + ((min) << 10))
68# define LLVM_GNUC_PREREQ(maj, min, patch) 0
94#define LLVM_MSC_PREREQ(version) (_MSC_VER >= (version))
97#if !defined(LLVM_FORCE_USE_OLD_TOOLCHAIN)
98#if !LLVM_MSC_PREREQ(1920)
99#error LLVM requires at least VS 2019.
104#define LLVM_MSC_PREREQ(version) 0
117#if LLVM_HAS_CPP_ATTRIBUTE(gnu::visibility)
118#define LLVM_ATTRIBUTE_VISIBILITY_HIDDEN [[gnu::visibility("hidden")]]
119#define LLVM_ATTRIBUTE_VISIBILITY_DEFAULT [[gnu::visibility("default")]]
120#elif __has_attribute(visibility)
121#define LLVM_ATTRIBUTE_VISIBILITY_HIDDEN __attribute__((visibility("hidden")))
122#define LLVM_ATTRIBUTE_VISIBILITY_DEFAULT __attribute__((visibility("default")))
124#define LLVM_ATTRIBUTE_VISIBILITY_HIDDEN
125#define LLVM_ATTRIBUTE_VISIBILITY_DEFAULT
129#if (!(defined(_WIN32) || defined(__CYGWIN__)) || \
130 (defined(__MINGW32__) && defined(__clang__)))
131#define LLVM_LIBRARY_VISIBILITY LLVM_ATTRIBUTE_VISIBILITY_HIDDEN
132#if defined(LLVM_BUILD_LLVM_DYLIB) || defined(LLVM_BUILD_SHARED_LIBS)
133#define LLVM_EXTERNAL_VISIBILITY LLVM_ATTRIBUTE_VISIBILITY_DEFAULT
135#define LLVM_EXTERNAL_VISIBILITY
138#define LLVM_LIBRARY_VISIBILITY
139#define LLVM_EXTERNAL_VISIBILITY
143#define LLVM_PREFETCH(addr, rw, locality) __builtin_prefetch(addr, rw, locality)
145#define LLVM_PREFETCH(addr, rw, locality)
148#if __has_attribute(used)
149#define LLVM_ATTRIBUTE_USED __attribute__((__used__))
151#define LLVM_ATTRIBUTE_USED
154#if defined(__clang__)
155#define LLVM_DEPRECATED(MSG, FIX) __attribute__((deprecated(MSG, FIX)))
157#define LLVM_DEPRECATED(MSG, FIX) [[deprecated(MSG)]]
167#if LLVM_HAS_CPP_ATTRIBUTE(clang::reinitializes)
168#define LLVM_ATTRIBUTE_REINITIALIZES [[clang::reinitializes]]
170#define LLVM_ATTRIBUTE_REINITIALIZES
181#if __has_attribute(unused)
182#define LLVM_ATTRIBUTE_UNUSED __attribute__((__unused__))
184#define LLVM_ATTRIBUTE_UNUSED
188#if __has_attribute(weak) && !defined(__MINGW32__) && !defined(__CYGWIN__) && \
190#define LLVM_ATTRIBUTE_WEAK __attribute__((__weak__))
192#define LLVM_ATTRIBUTE_WEAK
197#if defined(__clang__) || defined(__GNUC__)
199#define LLVM_READNONE __attribute__((__const__))
204#if __has_attribute(pure) || defined(__GNUC__)
206#define LLVM_READONLY __attribute__((__pure__))
211#if __has_attribute(minsize)
212#define LLVM_ATTRIBUTE_MINSIZE __attribute__((minsize))
214#define LLVM_ATTRIBUTE_MINSIZE
217#if __has_builtin(__builtin_expect) || defined(__GNUC__)
218#define LLVM_LIKELY(EXPR) __builtin_expect((bool)(EXPR), true)
219#define LLVM_UNLIKELY(EXPR) __builtin_expect((bool)(EXPR), false)
221#define LLVM_LIKELY(EXPR) (EXPR)
222#define LLVM_UNLIKELY(EXPR) (EXPR)
227#if __has_attribute(noinline)
228#define LLVM_ATTRIBUTE_NOINLINE __attribute__((noinline))
229#elif defined(_MSC_VER)
230#define LLVM_ATTRIBUTE_NOINLINE __declspec(noinline)
232#define LLVM_ATTRIBUTE_NOINLINE
237#if __has_attribute(always_inline)
238#define LLVM_ATTRIBUTE_ALWAYS_INLINE inline __attribute__((always_inline))
239#elif defined(_MSC_VER)
240#define LLVM_ATTRIBUTE_ALWAYS_INLINE __forceinline
242#define LLVM_ATTRIBUTE_ALWAYS_INLINE inline
248#if __has_attribute(nodebug)
249#define LLVM_ATTRIBUTE_NODEBUG __attribute__((nodebug))
251#define LLVM_ATTRIBUTE_NODEBUG
254#if __has_attribute(returns_nonnull)
255#define LLVM_ATTRIBUTE_RETURNS_NONNULL __attribute__((returns_nonnull))
256#elif defined(_MSC_VER)
257#define LLVM_ATTRIBUTE_RETURNS_NONNULL _Ret_notnull_
259#define LLVM_ATTRIBUTE_RETURNS_NONNULL
265#define LLVM_ATTRIBUTE_RETURNS_NOALIAS __attribute__((__malloc__))
266#elif defined(_MSC_VER)
267#define LLVM_ATTRIBUTE_RETURNS_NOALIAS __declspec(restrict)
269#define LLVM_ATTRIBUTE_RETURNS_NOALIAS
273#if defined(__cplusplus) && __cplusplus > 201402L && LLVM_HAS_CPP_ATTRIBUTE(fallthrough)
274#define LLVM_FALLTHROUGH [[fallthrough]]
275#elif LLVM_HAS_CPP_ATTRIBUTE(gnu::fallthrough)
276#define LLVM_FALLTHROUGH [[gnu::fallthrough]]
277#elif __has_attribute(fallthrough)
278#define LLVM_FALLTHROUGH __attribute__((fallthrough))
279#elif LLVM_HAS_CPP_ATTRIBUTE(clang::fallthrough)
280#define LLVM_FALLTHROUGH [[clang::fallthrough]]
282#define LLVM_FALLTHROUGH
287#if LLVM_HAS_CPP_ATTRIBUTE(clang::require_constant_initialization)
288#define LLVM_REQUIRE_CONSTANT_INITIALIZATION \
289 [[clang::require_constant_initialization]]
291#define LLVM_REQUIRE_CONSTANT_INITIALIZATION
296#if LLVM_HAS_CPP_ATTRIBUTE(gsl::Owner)
297#define LLVM_GSL_OWNER [[gsl::Owner]]
299#define LLVM_GSL_OWNER
304#if LLVM_HAS_CPP_ATTRIBUTE(gsl::Pointer)
305#define LLVM_GSL_POINTER [[gsl::Pointer]]
307#define LLVM_GSL_POINTER
310#if LLVM_HAS_CPP_ATTRIBUTE(nodiscard) >= 201907L
311#define LLVM_CTOR_NODISCARD [[nodiscard]]
313#define LLVM_CTOR_NODISCARD
319#define LLVM_EXTENSION __extension__
321#define LLVM_EXTENSION
331#if __has_builtin(__builtin_unreachable) || defined(__GNUC__)
332# define LLVM_BUILTIN_UNREACHABLE __builtin_unreachable()
333#elif defined(_MSC_VER)
334# define LLVM_BUILTIN_UNREACHABLE __assume(false)
339#if __has_builtin(__builtin_trap) || defined(__GNUC__)
340# define LLVM_BUILTIN_TRAP __builtin_trap()
341#elif defined(_MSC_VER)
346# define LLVM_BUILTIN_TRAP __debugbreak()
348# define LLVM_BUILTIN_TRAP *(volatile int*)0x11 = 0
354#if __has_builtin(__builtin_debugtrap)
355# define LLVM_BUILTIN_DEBUGTRAP __builtin_debugtrap()
356#elif defined(_MSC_VER)
360# define LLVM_BUILTIN_DEBUGTRAP __debugbreak()
365# define LLVM_BUILTIN_DEBUGTRAP
370#if __has_builtin(__builtin_assume_aligned) || defined(__GNUC__)
371# define LLVM_ASSUME_ALIGNED(p, a) __builtin_assume_aligned(p, a)
372#elif defined(LLVM_BUILTIN_UNREACHABLE)
373# define LLVM_ASSUME_ALIGNED(p, a) \
374 (((uintptr_t(p) % (a)) == 0) ? (p) : (LLVM_BUILTIN_UNREACHABLE, (p)))
376# define LLVM_ASSUME_ALIGNED(p, a) (p)
398# define LLVM_PACKED(d) __pragma(pack(push, 1)) d __pragma(pack(pop))
399# define LLVM_PACKED_START __pragma(pack(push, 1))
400# define LLVM_PACKED_END __pragma(pack(pop))
402# define LLVM_PACKED(d) d __attribute__((packed))
403# define LLVM_PACKED_START _Pragma("pack(push, 1)")
404# define LLVM_PACKED_END _Pragma("pack(pop)")
409#if __has_feature(memory_sanitizer)
410# define LLVM_MEMORY_SANITIZER_BUILD 1
411# include <sanitizer/msan_interface.h>
412# define LLVM_NO_SANITIZE_MEMORY_ATTRIBUTE __attribute__((no_sanitize_memory))
414# define LLVM_MEMORY_SANITIZER_BUILD 0
415# define __msan_allocated_memory(p, size)
416# define __msan_unpoison(p, size)
417# define LLVM_NO_SANITIZE_MEMORY_ATTRIBUTE
422#if __has_feature(address_sanitizer) || defined(__SANITIZE_ADDRESS__)
423# define LLVM_ADDRESS_SANITIZER_BUILD 1
424#if __has_include(<sanitizer/asan_interface.h>)
425# include <sanitizer/asan_interface.h>
439# define LLVM_ADDRESS_SANITIZER_BUILD 0
440# define __asan_poison_memory_region(p, size)
441# define __asan_unpoison_memory_region(p, size)
446#if __has_feature(hwaddress_sanitizer)
447#define LLVM_HWADDRESS_SANITIZER_BUILD 1
449#define LLVM_HWADDRESS_SANITIZER_BUILD 0
454#if __has_feature(thread_sanitizer) || defined(__SANITIZE_THREAD__)
455# define LLVM_THREAD_SANITIZER_BUILD 1
457# define LLVM_THREAD_SANITIZER_BUILD 0
460#if LLVM_THREAD_SANITIZER_BUILD
467void AnnotateHappensAfter(
const char *
file,
int line,
const volatile void *cv);
468void AnnotateHappensBefore(
const char *
file,
int line,
const volatile void *cv);
469void AnnotateIgnoreWritesBegin(
const char *
file,
int line);
470void AnnotateIgnoreWritesEnd(
const char *
file,
int line);
478# define TsanHappensBefore(cv) AnnotateHappensBefore(__FILE__, __LINE__, cv)
481# define TsanHappensAfter(cv) AnnotateHappensAfter(__FILE__, __LINE__, cv)
484# define TsanIgnoreWritesBegin() AnnotateIgnoreWritesBegin(__FILE__, __LINE__)
487# define TsanIgnoreWritesEnd() AnnotateIgnoreWritesEnd(__FILE__, __LINE__)
489# define TsanHappensBefore(cv)
490# define TsanHappensAfter(cv)
491# define TsanIgnoreWritesBegin()
492# define TsanIgnoreWritesEnd()
497#if __has_attribute(no_sanitize)
498#define LLVM_NO_SANITIZE(KIND) __attribute__((no_sanitize(KIND)))
500#define LLVM_NO_SANITIZE(KIND)
509#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
510#define LLVM_DUMP_METHOD LLVM_ATTRIBUTE_NOINLINE LLVM_ATTRIBUTE_USED
512#define LLVM_DUMP_METHOD LLVM_ATTRIBUTE_NOINLINE
521#define LLVM_PRETTY_FUNCTION __FUNCSIG__
522#elif defined(__GNUC__) || defined(__clang__)
523#define LLVM_PRETTY_FUNCTION __PRETTY_FUNCTION__
525#define LLVM_PRETTY_FUNCTION __func__
539#if LLVM_ENABLE_THREADS
540#if __has_feature(cxx_thread_local) || defined(_MSC_VER)
541#define LLVM_THREAD_LOCAL thread_local
545#define LLVM_THREAD_LOCAL __thread
550#define LLVM_THREAD_LOCAL
555#if __has_feature(cxx_exceptions)
556#define LLVM_ENABLE_EXCEPTIONS 1
557#elif defined(__GNUC__) && defined(__EXCEPTIONS)
558#define LLVM_ENABLE_EXCEPTIONS 1
559#elif defined(_MSC_VER) && defined(_CPPUNWIND)
560#define LLVM_ENABLE_EXCEPTIONS 1
565#if __has_attribute(no_profile_instrument_function)
566#define LLVM_NO_PROFILE_INSTRUMENT_FUNCTION \
567 __attribute__((no_profile_instrument_function))
569#define LLVM_NO_PROFILE_INSTRUMENT_FUNCTION
574#if __has_attribute(preferred_type)
575#define LLVM_PREFERRED_TYPE(T) __attribute__((preferred_type(T)))
577#define LLVM_PREFERRED_TYPE(T)
#define __asan_poison_memory_region(p, size)
#define __asan_unpoison_memory_region(p, size)
dot regions Print regions of function to dot file(with no function bodies)"