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LLVM 20.0.0git
Macros
Compiler.h File Reference
#include "llvm/Config/llvm-config.h"
#include <stddef.h>

Go to the source code of this file.

Macros

#define __has_feature(x)   0
 
#define __has_extension(x)   0
 
#define __has_attribute(x)   0
 
#define __has_builtin(x)   0
 
#define LLVM_HAS_CPP_ATTRIBUTE(x)   0
 
#define LLVM_GNUC_PREREQ(maj, min, patch)   0
 \macro LLVM_GNUC_PREREQ Extend the default __GNUC_PREREQ even if glibc's features.h isn't available.
 
#define LLVM_MSC_PREREQ(version)   0
 \macro LLVM_MSC_PREREQ Is the compiler MSVC of at least the specified version? The common
 
#define LLVM_ATTRIBUTE_VISIBILITY_HIDDEN
 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.
 
#define LLVM_ATTRIBUTE_VISIBILITY_DEFAULT
 
#define LLVM_EXTERNAL_VISIBILITY
 
#define LLVM_LIBRARY_VISIBILITY   LLVM_ATTRIBUTE_VISIBILITY_HIDDEN
 
#define LLVM_LIBRARY_VISIBILITY_NAMESPACE   LLVM_ATTRIBUTE_VISIBILITY_HIDDEN
 
#define LLVM_ALWAYS_EXPORT   LLVM_ATTRIBUTE_VISIBILITY_DEFAULT
 
#define LLVM_ABI_NOT_EXPORTED
 LLVM_ABI is the main export/visibility macro to mark something as explicitly exported when llvm is built as a shared library with everything else that is unannotated will have internal visibility.
 
#define LLVM_C_ABI   LLVM_ABI
 
#define LLVM_PREFETCH(addr, rw, locality)
 
#define LLVM_ATTRIBUTE_USED
 
#define LLVM_DEPRECATED(MSG, FIX)   [[deprecated(MSG)]]
 
#define LLVM_SUPPRESS_DEPRECATED_DECLARATIONS_PUSH
 
#define LLVM_SUPPRESS_DEPRECATED_DECLARATIONS_POP
 
#define LLVM_ATTRIBUTE_REINITIALIZES
 
#define LLVM_ATTRIBUTE_UNUSED
 
#define LLVM_ATTRIBUTE_WEAK
 
#define LLVM_READNONE
 
#define LLVM_READONLY
 
#define LLVM_ATTRIBUTE_MINSIZE
 
#define LLVM_LIKELY(EXPR)   (EXPR)
 
#define LLVM_UNLIKELY(EXPR)   (EXPR)
 
#define LLVM_ATTRIBUTE_NOINLINE
 LLVM_ATTRIBUTE_NOINLINE - On compilers where we have a directive to do so, mark a method "not for inlining".
 
#define LLVM_ATTRIBUTE_ALWAYS_INLINE   inline
 LLVM_ATTRIBUTE_ALWAYS_INLINE - On compilers where we have a directive to do so, mark a method "always inline" because it is performance sensitive.
 
#define LLVM_ATTRIBUTE_NODEBUG
 LLVM_ATTRIBUTE_NO_DEBUG - On compilers where we have a directive to do so, mark a method "no debug" because debug info makes the debugger experience worse.
 
#define LLVM_ATTRIBUTE_RETURNS_NONNULL
 
#define LLVM_ATTRIBUTE_RESTRICT
 LLVM_ATTRIBUTE_RESTRICT - Annotates a pointer to tell the compiler that it is not aliased in the current scope.
 
#define LLVM_ATTRIBUTE_RETURNS_NOALIAS
 \macro LLVM_ATTRIBUTE_RETURNS_NOALIAS Used to mark a function as returning a pointer that does not alias any other valid pointer.
 
#define LLVM_FALLTHROUGH
 LLVM_FALLTHROUGH - Mark fallthrough cases in switch statements.
 
#define LLVM_REQUIRE_CONSTANT_INITIALIZATION
 LLVM_REQUIRE_CONSTANT_INITIALIZATION - Apply this to globals to ensure that they are constant initialized.
 
#define LLVM_GSL_OWNER
 LLVM_GSL_OWNER - Apply this to owning classes like SmallVector to enable lifetime warnings.
 
#define LLVM_GSL_POINTER
 LLVM_GSL_POINTER - Apply this to non-owning classes like StringRef to enable lifetime warnings.
 
#define LLVM_LIFETIME_BOUND
 
#define LLVM_CTOR_NODISCARD
 
#define LLVM_EXTENSION
 LLVM_EXTENSION - Support compilers where we have a keyword to suppress pedantic diagnostics.
 
#define LLVM_BUILTIN_TRAP   *(volatile int*)0x11 = 0
 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.
 
#define LLVM_BUILTIN_DEBUGTRAP
 LLVM_BUILTIN_DEBUGTRAP - On compilers which support it, expands to an expression which causes the program to break while running under a debugger.
 
#define LLVM_ASSUME_ALIGNED(p, a)   (p)
 \macro LLVM_ASSUME_ALIGNED Returns a pointer with an assumed alignment.
 
#define LLVM_PACKED(d)   d __attribute__((packed))
 \macro LLVM_PACKED Used to specify a packed structure.
 
#define LLVM_PACKED_START   _Pragma("pack(push, 1)")
 
#define LLVM_PACKED_END   _Pragma("pack(pop)")
 
#define LLVM_MEMORY_SANITIZER_BUILD   0
 \macro LLVM_MEMORY_SANITIZER_BUILD Whether LLVM itself is built with MemorySanitizer instrumentation.
 
#define __msan_allocated_memory(p, size)
 
#define __msan_unpoison(p, size)
 
#define LLVM_NO_SANITIZE_MEMORY_ATTRIBUTE
 
#define LLVM_ADDRESS_SANITIZER_BUILD   0
 \macro LLVM_ADDRESS_SANITIZER_BUILD Whether LLVM itself is built with AddressSanitizer instrumentation.
 
#define __asan_poison_memory_region(p, size)
 
#define __asan_unpoison_memory_region(p, size)
 
#define LLVM_HWADDRESS_SANITIZER_BUILD   0
 \macro LLVM_HWADDRESS_SANITIZER_BUILD Whether LLVM itself is built with HWAddressSanitizer instrumentation.
 
#define LLVM_THREAD_SANITIZER_BUILD   0
 \macro LLVM_THREAD_SANITIZER_BUILD Whether LLVM itself is built with ThreadSanitizer instrumentation.
 
#define TsanHappensBefore(cv)
 
#define TsanHappensAfter(cv)
 
#define TsanIgnoreWritesBegin()
 
#define TsanIgnoreWritesEnd()
 
#define LLVM_NO_SANITIZE(KIND)
 \macro LLVM_NO_SANITIZE Disable a particular sanitizer for a function.
 
#define LLVM_DUMP_METHOD   LLVM_ATTRIBUTE_NOINLINELLVM_ATTRIBUTE_USED
 Mark debug helper function definitions like dump() that should not be stripped from debug builds.
 
#define LLVM_PRETTY_FUNCTION   __func__
 \macro LLVM_PRETTY_FUNCTION Gets a user-friendly looking function signature for the current scope using the best available method on each platform.
 
#define LLVM_THREAD_LOCAL
 \macro LLVM_THREAD_LOCAL A thread-local storage specifier which can be used with globals, extern globals, and static globals.
 
#define LLVM_NO_PROFILE_INSTRUMENT_FUNCTION
 \macro LLVM_ENABLE_EXCEPTIONS Whether LLVM is built with exception support.
 
#define LLVM_PREFERRED_TYPE(T)
 \macro LLVM_PREFERRED_TYPE Adjust type of bit-field in debug info.
 

Macro Definition Documentation

◆ __asan_poison_memory_region

#define __asan_poison_memory_region( p,
 size 
)

Definition at line552 of fileCompiler.h.

◆ __asan_unpoison_memory_region

#define __asan_unpoison_memory_region( p,
 size 
)

Definition at line553 of fileCompiler.h.

◆ __has_attribute

#define __has_attribute( x)   0

Definition at line35 of fileCompiler.h.

◆ __has_builtin

#define __has_builtin( x)   0

Definition at line39 of fileCompiler.h.

◆ __has_extension

#define __has_extension( x)   0

Definition at line31 of fileCompiler.h.

◆ __has_feature

#define __has_feature( x)   0

Definition at line27 of fileCompiler.h.

◆ __msan_allocated_memory

#define __msan_allocated_memory( p,
 size 
)

Definition at line527 of fileCompiler.h.

◆ __msan_unpoison

#define __msan_unpoison( p,
 size 
)

Definition at line528 of fileCompiler.h.

◆ LLVM_ABI_NOT_EXPORTED

#define LLVM_ABI_NOT_EXPORTED

LLVM_ABI is the main export/visibility macro to mark something as explicitly exported when llvm is built as a shared library with everything else that is unannotated will have internal visibility.

LLVM_ABI_EXPORT is for the special case for things like plugin symbol declarations or definitions where we don't want the macro to be switching between dllexport and dllimport on windows based on what codebase is being built, it will only be dllexport. For non windows platforms this macro behaves the same as LLVM_ABI.

LLVM_EXPORT_TEMPLATE is used on explicit template instantiations in source files that were declared extern in a header. This macro is only set as a compiler export attribute on windows, on other platforms it does nothing.

LLVM_TEMPLATE_ABI is for annotating extern template declarations in headers for both functions and classes. On windows its turned in to dllimport for library consumers, for other platforms its a default visibility attribute.

LLVM_C_ABI is used to annotated functions and data that need to be exported for the libllvm-c API. This used both for the llvm-c headers and for the functions declared in the different Target's c++ source files that don't include the header forward declaring them.

Definition at line177 of fileCompiler.h.

◆ LLVM_ADDRESS_SANITIZER_BUILD

#define LLVM_ADDRESS_SANITIZER_BUILD   0

\macro LLVM_ADDRESS_SANITIZER_BUILD Whether LLVM itself is built with AddressSanitizer instrumentation.

Definition at line551 of fileCompiler.h.

◆ LLVM_ALWAYS_EXPORT

#define LLVM_ALWAYS_EXPORT   LLVM_ATTRIBUTE_VISIBILITY_DEFAULT

Definition at line141 of fileCompiler.h.

◆ LLVM_ASSUME_ALIGNED

#define LLVM_ASSUME_ALIGNED( p,
 
)   (p)

\macro LLVM_ASSUME_ALIGNED Returns a pointer with an assumed alignment.

Definition at line488 of fileCompiler.h.

◆ LLVM_ATTRIBUTE_ALWAYS_INLINE

#define LLVM_ATTRIBUTE_ALWAYS_INLINE   inline

LLVM_ATTRIBUTE_ALWAYS_INLINE - On compilers where we have a directive to do so, mark a method "always inline" because it is performance sensitive.

Definition at line340 of fileCompiler.h.

◆ LLVM_ATTRIBUTE_MINSIZE

#define LLVM_ATTRIBUTE_MINSIZE

Definition at line312 of fileCompiler.h.

◆ LLVM_ATTRIBUTE_NODEBUG

#define LLVM_ATTRIBUTE_NODEBUG

LLVM_ATTRIBUTE_NO_DEBUG - On compilers where we have a directive to do so, mark a method "no debug" because debug info makes the debugger experience worse.

Definition at line349 of fileCompiler.h.

◆ LLVM_ATTRIBUTE_NOINLINE

#define LLVM_ATTRIBUTE_NOINLINE

LLVM_ATTRIBUTE_NOINLINE - On compilers where we have a directive to do so, mark a method "not for inlining".

Definition at line330 of fileCompiler.h.

◆ LLVM_ATTRIBUTE_REINITIALIZES

#define LLVM_ATTRIBUTE_REINITIALIZES

Definition at line268 of fileCompiler.h.

◆ LLVM_ATTRIBUTE_RESTRICT

#define LLVM_ATTRIBUTE_RESTRICT

LLVM_ATTRIBUTE_RESTRICT - Annotates a pointer to tell the compiler that it is not aliased in the current scope.

Definition at line365 of fileCompiler.h.

◆ LLVM_ATTRIBUTE_RETURNS_NOALIAS

#define LLVM_ATTRIBUTE_RETURNS_NOALIAS

\macro LLVM_ATTRIBUTE_RETURNS_NOALIAS Used to mark a function as returning a pointer that does not alias any other valid pointer.

Definition at line375 of fileCompiler.h.

◆ LLVM_ATTRIBUTE_RETURNS_NONNULL

#define LLVM_ATTRIBUTE_RETURNS_NONNULL

Definition at line357 of fileCompiler.h.

◆ LLVM_ATTRIBUTE_UNUSED

#define LLVM_ATTRIBUTE_UNUSED

Definition at line282 of fileCompiler.h.

◆ LLVM_ATTRIBUTE_USED

#define LLVM_ATTRIBUTE_USED

Definition at line230 of fileCompiler.h.

◆ LLVM_ATTRIBUTE_VISIBILITY_DEFAULT

#define LLVM_ATTRIBUTE_VISIBILITY_DEFAULT

Definition at line122 of fileCompiler.h.

◆ LLVM_ATTRIBUTE_VISIBILITY_HIDDEN

#define LLVM_ATTRIBUTE_VISIBILITY_HIDDEN

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.

LLVM_EXTERNAL_VISIBILITY - classes, functions, and variables marked with this attribute will be made public and visible outside of any shared library they are linked in to.

Definition at line121 of fileCompiler.h.

◆ LLVM_ATTRIBUTE_WEAK

#define LLVM_ATTRIBUTE_WEAK

Definition at line290 of fileCompiler.h.

◆ LLVM_BUILTIN_DEBUGTRAP

#define LLVM_BUILTIN_DEBUGTRAP

LLVM_BUILTIN_DEBUGTRAP - On compilers which support it, expands to an expression which causes the program to break while running under a debugger.

Definition at line477 of fileCompiler.h.

◆ LLVM_BUILTIN_TRAP

#define LLVM_BUILTIN_TRAP   *(volatile int*)0x11 = 0

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.

'else' is intentionally left out so that other macro logic (e.g., LLVM_ASSUME_ALIGNED andllvm_unreachable()) can detect whether LLVM_BUILTIN_UNREACHABLE has a definition. LLVM_BUILTIN_TRAP - On compilers which support it, expands to an expression which causes the program to exit abnormally.

Definition at line460 of fileCompiler.h.

◆ LLVM_C_ABI

#define LLVM_C_ABI   LLVM_ABI

Definition at line218 of fileCompiler.h.

◆ LLVM_CTOR_NODISCARD

#define LLVM_CTOR_NODISCARD

Definition at line425 of fileCompiler.h.

◆ LLVM_DEPRECATED

#define LLVM_DEPRECATED( MSG,
 FIX 
)   [[deprecated(MSG)]]

Definition at line236 of fileCompiler.h.

◆ LLVM_DUMP_METHOD

#define LLVM_DUMP_METHOD   LLVM_ATTRIBUTE_NOINLINELLVM_ATTRIBUTE_USED

Mark debug helper function definitions like dump() that should not be stripped from debug builds.

Note that you should also surround dump() functions with#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) so they do always get stripped in release builds.

Definition at line622 of fileCompiler.h.

◆ LLVM_EXTENSION

#define LLVM_EXTENSION

LLVM_EXTENSION - Support compilers where we have a keyword to suppress pedantic diagnostics.

Definition at line433 of fileCompiler.h.

◆ LLVM_EXTERNAL_VISIBILITY

#define LLVM_EXTERNAL_VISIBILITY

Definition at line128 of fileCompiler.h.

◆ LLVM_FALLTHROUGH

#define LLVM_FALLTHROUGH

LLVM_FALLTHROUGH - Mark fallthrough cases in switch statements.

Definition at line388 of fileCompiler.h.

◆ LLVM_GNUC_PREREQ

#define LLVM_GNUC_PREREQ( maj,
 min,
 patch 
)   0

\macro LLVM_GNUC_PREREQ Extend the default __GNUC_PREREQ even if glibc's features.h isn't available.

Definition at line64 of fileCompiler.h.

◆ LLVM_GSL_OWNER

#define LLVM_GSL_OWNER

LLVM_GSL_OWNER - Apply this to owning classes like SmallVector to enable lifetime warnings.

Definition at line405 of fileCompiler.h.

◆ LLVM_GSL_POINTER

#define LLVM_GSL_POINTER

LLVM_GSL_POINTER - Apply this to non-owning classes like StringRef to enable lifetime warnings.

Definition at line413 of fileCompiler.h.

◆ LLVM_HAS_CPP_ATTRIBUTE

#define LLVM_HAS_CPP_ATTRIBUTE( x)   0

Definition at line48 of fileCompiler.h.

◆ LLVM_HWADDRESS_SANITIZER_BUILD

#define LLVM_HWADDRESS_SANITIZER_BUILD   0

\macro LLVM_HWADDRESS_SANITIZER_BUILD Whether LLVM itself is built with HWAddressSanitizer instrumentation.

Definition at line561 of fileCompiler.h.

◆ LLVM_LIBRARY_VISIBILITY

#define LLVM_LIBRARY_VISIBILITY   LLVM_ATTRIBUTE_VISIBILITY_HIDDEN

Definition at line133 of fileCompiler.h.

◆ LLVM_LIBRARY_VISIBILITY_NAMESPACE

#define LLVM_LIBRARY_VISIBILITY_NAMESPACE   LLVM_ATTRIBUTE_VISIBILITY_HIDDEN

Definition at line139 of fileCompiler.h.

◆ LLVM_LIFETIME_BOUND

#define LLVM_LIFETIME_BOUND

Definition at line419 of fileCompiler.h.

◆ LLVM_LIKELY

#define LLVM_LIKELY( EXPR)   (EXPR)

Definition at line319 of fileCompiler.h.

◆ LLVM_MEMORY_SANITIZER_BUILD

#define LLVM_MEMORY_SANITIZER_BUILD   0

\macro LLVM_MEMORY_SANITIZER_BUILD Whether LLVM itself is built with MemorySanitizer instrumentation.

Definition at line526 of fileCompiler.h.

◆ LLVM_MSC_PREREQ

#define LLVM_MSC_PREREQ( version)   0

\macro LLVM_MSC_PREREQ Is the compiler MSVC of at least the specified version? The common

Parameters
versionvalues to check for are:
  • 1910: VS2017, version 15.1 & 15.2
  • 1911: VS2017, version 15.3 & 15.4
  • 1912: VS2017, version 15.5
  • 1913: VS2017, version 15.6
  • 1914: VS2017, version 15.7
  • 1915: VS2017, version 15.8
  • 1916: VS2017, version 15.9
  • 1920: VS2019, version 16.0
  • 1921: VS2019, version 16.1
  • 1922: VS2019, version 16.2
  • 1923: VS2019, version 16.3
  • 1924: VS2019, version 16.4
  • 1925: VS2019, version 16.5
  • 1926: VS2019, version 16.6
  • 1927: VS2019, version 16.7
  • 1928: VS2019, version 16.8 + 16.9
  • 1929: VS2019, version 16.10 + 16.11
  • 1930: VS2022, version 17.0

Definition at line100 of fileCompiler.h.

◆ LLVM_NO_PROFILE_INSTRUMENT_FUNCTION

#define LLVM_NO_PROFILE_INSTRUMENT_FUNCTION

\macro LLVM_ENABLE_EXCEPTIONS Whether LLVM is built with exception support.

\macro LLVM_NO_PROFILE_INSTRUMENT_FUNCTION Disable the profile instrument for a function.

Definition at line681 of fileCompiler.h.

◆ LLVM_NO_SANITIZE

#define LLVM_NO_SANITIZE( KIND)

\macro LLVM_NO_SANITIZE Disable a particular sanitizer for a function.

Definition at line612 of fileCompiler.h.

◆ LLVM_NO_SANITIZE_MEMORY_ATTRIBUTE

#define LLVM_NO_SANITIZE_MEMORY_ATTRIBUTE

Definition at line529 of fileCompiler.h.

◆ LLVM_PACKED

#define LLVM_PACKED( d)   d __attribute__((packed))

\macro LLVM_PACKED Used to specify a packed structure.

LLVM_PACKED( struct A { int i; int j; int k; long long l; });

LLVM_PACKED_START struct B { int i; int j; int k; long long l; }; LLVM_PACKED_END

Definition at line514 of fileCompiler.h.

◆ LLVM_PACKED_END

#define LLVM_PACKED_END   _Pragma("pack(pop)")

Definition at line516 of fileCompiler.h.

◆ LLVM_PACKED_START

#define LLVM_PACKED_START   _Pragma("pack(push, 1)")

Definition at line515 of fileCompiler.h.

◆ LLVM_PREFERRED_TYPE

#define LLVM_PREFERRED_TYPE( T)

\macro LLVM_PREFERRED_TYPE Adjust type of bit-field in debug info.

Definition at line689 of fileCompiler.h.

◆ LLVM_PREFETCH

#define LLVM_PREFETCH( addr,
 rw,
 locality 
)

Definition at line224 of fileCompiler.h.

◆ LLVM_PRETTY_FUNCTION

#define LLVM_PRETTY_FUNCTION   __func__

\macro LLVM_PRETTY_FUNCTION Gets a user-friendly looking function signature for the current scope using the best available method on each platform.

The exact format of the resulting string is implementation specific and non-portable, so this should only be used, for example, for logging or diagnostics.

Definition at line637 of fileCompiler.h.

◆ LLVM_READNONE

#define LLVM_READNONE

Definition at line299 of fileCompiler.h.

◆ LLVM_READONLY

#define LLVM_READONLY

Definition at line306 of fileCompiler.h.

◆ LLVM_REQUIRE_CONSTANT_INITIALIZATION

#define LLVM_REQUIRE_CONSTANT_INITIALIZATION

LLVM_REQUIRE_CONSTANT_INITIALIZATION - Apply this to globals to ensure that they are constant initialized.

Definition at line397 of fileCompiler.h.

◆ LLVM_SUPPRESS_DEPRECATED_DECLARATIONS_POP

#define LLVM_SUPPRESS_DEPRECATED_DECLARATIONS_POP

Definition at line254 of fileCompiler.h.

◆ LLVM_SUPPRESS_DEPRECATED_DECLARATIONS_PUSH

#define LLVM_SUPPRESS_DEPRECATED_DECLARATIONS_PUSH

Definition at line253 of fileCompiler.h.

◆ LLVM_THREAD_LOCAL

#define LLVM_THREAD_LOCAL

\macro LLVM_THREAD_LOCAL A thread-local storage specifier which can be used with globals, extern globals, and static globals.

This is essentially an extremely restricted analog to C++11's thread_local support. It uses thread_local if available, falling back on gcc __thread if not. __thread doesn't support many of the C++11 thread_local's features. You should only use this for PODs that you can statically initialize to some constant value. In almost all circumstances this is most appropriate for use with a pointer, integer, or small aggregation of pointers and integers.

Definition at line662 of fileCompiler.h.

◆ LLVM_THREAD_SANITIZER_BUILD

#define LLVM_THREAD_SANITIZER_BUILD   0

\macro LLVM_THREAD_SANITIZER_BUILD Whether LLVM itself is built with ThreadSanitizer instrumentation.

Definition at line569 of fileCompiler.h.

◆ LLVM_UNLIKELY

#define LLVM_UNLIKELY( EXPR)   (EXPR)

Definition at line320 of fileCompiler.h.

◆ TsanHappensAfter

#define TsanHappensAfter( cv)

Definition at line602 of fileCompiler.h.

◆ TsanHappensBefore

#define TsanHappensBefore( cv)

Definition at line601 of fileCompiler.h.

◆ TsanIgnoreWritesBegin

#define TsanIgnoreWritesBegin()

Definition at line603 of fileCompiler.h.

◆ TsanIgnoreWritesEnd

#define TsanIgnoreWritesEnd()

Definition at line604 of fileCompiler.h.


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