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
116#if __has_attribute(visibility) && \
117 (!(defined(_WIN32) || defined(__CYGWIN__)) || \
118 (defined(__MINGW32__) && defined(__clang__)))
119#define LLVM_LIBRARY_VISIBILITY __attribute__ ((visibility("hidden")))
120#if defined(LLVM_BUILD_LLVM_DYLIB) || defined(LLVM_BUILD_SHARED_LIBS)
121#define LLVM_EXTERNAL_VISIBILITY __attribute__((visibility("default")))
123#define LLVM_EXTERNAL_VISIBILITY
126#define LLVM_LIBRARY_VISIBILITY
127#define LLVM_EXTERNAL_VISIBILITY
131#define LLVM_PREFETCH(addr, rw, locality) __builtin_prefetch(addr, rw, locality)
133#define LLVM_PREFETCH(addr, rw, locality)
136#if __has_attribute(used)
137#define LLVM_ATTRIBUTE_USED __attribute__((__used__))
139#define LLVM_ATTRIBUTE_USED
142#if defined(__clang__)
143#define LLVM_DEPRECATED(MSG, FIX) __attribute__((deprecated(MSG, FIX)))
145#define LLVM_DEPRECATED(MSG, FIX) [[deprecated(MSG)]]
155#if LLVM_HAS_CPP_ATTRIBUTE(clang::reinitializes)
156#define LLVM_ATTRIBUTE_REINITIALIZES [[clang::reinitializes]]
158#define LLVM_ATTRIBUTE_REINITIALIZES
169#if __has_attribute(unused)
170#define LLVM_ATTRIBUTE_UNUSED __attribute__((__unused__))
172#define LLVM_ATTRIBUTE_UNUSED
176#if __has_attribute(weak) && !defined(__MINGW32__) && !defined(__CYGWIN__) && \
178#define LLVM_ATTRIBUTE_WEAK __attribute__((__weak__))
180#define LLVM_ATTRIBUTE_WEAK
185#if defined(__clang__) || defined(__GNUC__)
187#define LLVM_READNONE __attribute__((__const__))
192#if __has_attribute(pure) || defined(__GNUC__)
194#define LLVM_READONLY __attribute__((__pure__))
199#if __has_attribute(minsize)
200#define LLVM_ATTRIBUTE_MINSIZE __attribute__((minsize))
202#define LLVM_ATTRIBUTE_MINSIZE
205#if __has_builtin(__builtin_expect) || defined(__GNUC__)
206#define LLVM_LIKELY(EXPR) __builtin_expect((bool)(EXPR), true)
207#define LLVM_UNLIKELY(EXPR) __builtin_expect((bool)(EXPR), false)
209#define LLVM_LIKELY(EXPR) (EXPR)
210#define LLVM_UNLIKELY(EXPR) (EXPR)
215#if __has_attribute(noinline)
216#define LLVM_ATTRIBUTE_NOINLINE __attribute__((noinline))
217#elif defined(_MSC_VER)
218#define LLVM_ATTRIBUTE_NOINLINE __declspec(noinline)
220#define LLVM_ATTRIBUTE_NOINLINE
225#if __has_attribute(always_inline)
226#define LLVM_ATTRIBUTE_ALWAYS_INLINE inline __attribute__((always_inline))
227#elif defined(_MSC_VER)
228#define LLVM_ATTRIBUTE_ALWAYS_INLINE __forceinline
230#define LLVM_ATTRIBUTE_ALWAYS_INLINE inline
236#if __has_attribute(nodebug)
237#define LLVM_ATTRIBUTE_NODEBUG __attribute__((nodebug))
239#define LLVM_ATTRIBUTE_NODEBUG
242#if __has_attribute(returns_nonnull)
243#define LLVM_ATTRIBUTE_RETURNS_NONNULL __attribute__((returns_nonnull))
244#elif defined(_MSC_VER)
245#define LLVM_ATTRIBUTE_RETURNS_NONNULL _Ret_notnull_
247#define LLVM_ATTRIBUTE_RETURNS_NONNULL
253#define LLVM_ATTRIBUTE_RETURNS_NOALIAS __attribute__((__malloc__))
254#elif defined(_MSC_VER)
255#define LLVM_ATTRIBUTE_RETURNS_NOALIAS __declspec(restrict)
257#define LLVM_ATTRIBUTE_RETURNS_NOALIAS
261#if defined(__cplusplus) && __cplusplus > 201402L && LLVM_HAS_CPP_ATTRIBUTE(fallthrough)
262#define LLVM_FALLTHROUGH [[fallthrough]]
263#elif LLVM_HAS_CPP_ATTRIBUTE(gnu::fallthrough)
264#define LLVM_FALLTHROUGH [[gnu::fallthrough]]
265#elif __has_attribute(fallthrough)
266#define LLVM_FALLTHROUGH __attribute__((fallthrough))
267#elif LLVM_HAS_CPP_ATTRIBUTE(clang::fallthrough)
268#define LLVM_FALLTHROUGH [[clang::fallthrough]]
270#define LLVM_FALLTHROUGH
275#if LLVM_HAS_CPP_ATTRIBUTE(clang::require_constant_initialization)
276#define LLVM_REQUIRE_CONSTANT_INITIALIZATION \
277 [[clang::require_constant_initialization]]
279#define LLVM_REQUIRE_CONSTANT_INITIALIZATION
284#if LLVM_HAS_CPP_ATTRIBUTE(gsl::Owner)
285#define LLVM_GSL_OWNER [[gsl::Owner]]
287#define LLVM_GSL_OWNER
292#if LLVM_HAS_CPP_ATTRIBUTE(gsl::Pointer)
293#define LLVM_GSL_POINTER [[gsl::Pointer]]
295#define LLVM_GSL_POINTER
301#define LLVM_EXTENSION __extension__
303#define LLVM_EXTENSION
313#if __has_builtin(__builtin_unreachable) || defined(__GNUC__)
314# define LLVM_BUILTIN_UNREACHABLE __builtin_unreachable()
315#elif defined(_MSC_VER)
316# define LLVM_BUILTIN_UNREACHABLE __assume(false)
321#if __has_builtin(__builtin_trap) || defined(__GNUC__)
322# define LLVM_BUILTIN_TRAP __builtin_trap()
323#elif defined(_MSC_VER)
328# define LLVM_BUILTIN_TRAP __debugbreak()
330# define LLVM_BUILTIN_TRAP *(volatile int*)0x11 = 0
336#if __has_builtin(__builtin_debugtrap)
337# define LLVM_BUILTIN_DEBUGTRAP __builtin_debugtrap()
338#elif defined(_MSC_VER)
342# define LLVM_BUILTIN_DEBUGTRAP __debugbreak()
347# define LLVM_BUILTIN_DEBUGTRAP
352#if __has_builtin(__builtin_assume_aligned) || defined(__GNUC__)
353# define LLVM_ASSUME_ALIGNED(p, a) __builtin_assume_aligned(p, a)
354#elif defined(LLVM_BUILTIN_UNREACHABLE)
355# define LLVM_ASSUME_ALIGNED(p, a) \
356 (((uintptr_t(p) % (a)) == 0) ? (p) : (LLVM_BUILTIN_UNREACHABLE, (p)))
358# define LLVM_ASSUME_ALIGNED(p, a) (p)
380# define LLVM_PACKED(d) __pragma(pack(push, 1)) d __pragma(pack(pop))
381# define LLVM_PACKED_START __pragma(pack(push, 1))
382# define LLVM_PACKED_END __pragma(pack(pop))
384# define LLVM_PACKED(d) d __attribute__((packed))
385# define LLVM_PACKED_START _Pragma("pack(push, 1)")
386# define LLVM_PACKED_END _Pragma("pack(pop)")
391#if __has_feature(memory_sanitizer)
392# define LLVM_MEMORY_SANITIZER_BUILD 1
393# include <sanitizer/msan_interface.h>
394# define LLVM_NO_SANITIZE_MEMORY_ATTRIBUTE __attribute__((no_sanitize_memory))
396# define LLVM_MEMORY_SANITIZER_BUILD 0
397# define __msan_allocated_memory(p, size)
398# define __msan_unpoison(p, size)
399# define LLVM_NO_SANITIZE_MEMORY_ATTRIBUTE
404#if __has_feature(address_sanitizer) || defined(__SANITIZE_ADDRESS__)
405# define LLVM_ADDRESS_SANITIZER_BUILD 1
406#if __has_include(<sanitizer/asan_interface.h>)
407# include <sanitizer/asan_interface.h>
421# define LLVM_ADDRESS_SANITIZER_BUILD 0
422# define __asan_poison_memory_region(p, size)
423# define __asan_unpoison_memory_region(p, size)
428#if __has_feature(hwaddress_sanitizer)
429#define LLVM_HWADDRESS_SANITIZER_BUILD 1
431#define LLVM_HWADDRESS_SANITIZER_BUILD 0
436#if __has_feature(thread_sanitizer) || defined(__SANITIZE_THREAD__)
437# define LLVM_THREAD_SANITIZER_BUILD 1
439# define LLVM_THREAD_SANITIZER_BUILD 0
442#if LLVM_THREAD_SANITIZER_BUILD
449void AnnotateHappensAfter(
const char *
file,
int line,
const volatile void *cv);
450void AnnotateHappensBefore(
const char *
file,
int line,
const volatile void *cv);
451void AnnotateIgnoreWritesBegin(
const char *
file,
int line);
452void AnnotateIgnoreWritesEnd(
const char *
file,
int line);
460# define TsanHappensBefore(cv) AnnotateHappensBefore(__FILE__, __LINE__, cv)
463# define TsanHappensAfter(cv) AnnotateHappensAfter(__FILE__, __LINE__, cv)
466# define TsanIgnoreWritesBegin() AnnotateIgnoreWritesBegin(__FILE__, __LINE__)
469# define TsanIgnoreWritesEnd() AnnotateIgnoreWritesEnd(__FILE__, __LINE__)
471# define TsanHappensBefore(cv)
472# define TsanHappensAfter(cv)
473# define TsanIgnoreWritesBegin()
474# define TsanIgnoreWritesEnd()
479#if __has_attribute(no_sanitize)
480#define LLVM_NO_SANITIZE(KIND) __attribute__((no_sanitize(KIND)))
482#define LLVM_NO_SANITIZE(KIND)
491#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
492#define LLVM_DUMP_METHOD LLVM_ATTRIBUTE_NOINLINE LLVM_ATTRIBUTE_USED
494#define LLVM_DUMP_METHOD LLVM_ATTRIBUTE_NOINLINE
503#define LLVM_PRETTY_FUNCTION __FUNCSIG__
504#elif defined(__GNUC__) || defined(__clang__)
505#define LLVM_PRETTY_FUNCTION __PRETTY_FUNCTION__
507#define LLVM_PRETTY_FUNCTION __func__
521#if LLVM_ENABLE_THREADS
522#if __has_feature(cxx_thread_local) || defined(_MSC_VER)
523#define LLVM_THREAD_LOCAL thread_local
527#define LLVM_THREAD_LOCAL __thread
532#define LLVM_THREAD_LOCAL
537#if __has_feature(cxx_exceptions)
538#define LLVM_ENABLE_EXCEPTIONS 1
539#elif defined(__GNUC__) && defined(__EXCEPTIONS)
540#define LLVM_ENABLE_EXCEPTIONS 1
541#elif defined(_MSC_VER) && defined(_CPPUNWIND)
542#define LLVM_ENABLE_EXCEPTIONS 1
547#if __has_attribute(no_profile_instrument_function)
548#define LLVM_NO_PROFILE_INSTRUMENT_FUNCTION \
549 __attribute__((no_profile_instrument_function))
551#define LLVM_NO_PROFILE_INSTRUMENT_FUNCTION
#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)"