10c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner//===-- llvm/Support/Compiler.h - Compiler abstraction support --*- C++ -*-===// 20c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner// 30c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner// The LLVM Compiler Infrastructure 40c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner// 57ed47a13356daed2a34cd2209a31f92552e3bdd8Chris Lattner// This file is distributed under the University of Illinois Open Source 67ed47a13356daed2a34cd2209a31f92552e3bdd8Chris Lattner// License. See LICENSE.TXT for details. 70c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner// 80c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner//===----------------------------------------------------------------------===// 90c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner// 100c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner// This file defines several macros, based on the current compiler. This allows 110c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner// use of compiler-specific features in a way that remains portable. 120c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner// 130c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner//===----------------------------------------------------------------------===// 140c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner 150c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner#ifndef LLVM_SUPPORT_COMPILER_H 160c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner#define LLVM_SUPPORT_COMPILER_H 170c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner 189c02a276049cbd1d1511a88ebc7a22bb33658237Evgeniy Stepanov#include "llvm/Config/llvm-config.h" 19ea2d8780e9c78628fe5e3312ca4c17c054156c83Evgeniy Stepanov 20965841cfe4de695fc56cab4821fd7e032ff85b83Michael J. Spencer#ifndef __has_feature 21965841cfe4de695fc56cab4821fd7e032ff85b83Michael J. Spencer# define __has_feature(x) 0 22965841cfe4de695fc56cab4821fd7e032ff85b83Michael J. Spencer#endif 23965841cfe4de695fc56cab4821fd7e032ff85b83Michael J. Spencer 24ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner#ifndef __has_attribute 25ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner# define __has_attribute(x) 0 26ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner#endif 27ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner 28ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner#ifndef __has_builtin 29ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner# define __has_builtin(x) 0 30ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner#endif 31ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner 32ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner/// \macro __GNUC_PREREQ 33ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner/// \brief Defines __GNUC_PREREQ if glibc's features.h isn't available. 34ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner#ifndef __GNUC_PREREQ 35ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner# if defined(__GNUC__) && defined(__GNUC_MINOR__) 36ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner# define __GNUC_PREREQ(maj, min) \ 37ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min)) 38ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner# else 39ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner# define __GNUC_PREREQ(maj, min) 0 40ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner# endif 41ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner#endif 42ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner 434334dd96a9e622fdcf2825a8f73a2d941d67be72Chandler Carruth/// \brief Does the compiler support r-value references? 4438dbb606755232e229f11994fc2bbf10e8c5788bJohn McCall/// This implies that <utility> provides the one-argument std::move; it 4538dbb606755232e229f11994fc2bbf10e8c5788bJohn McCall/// does not imply the existence of any other C++ library features. 4638dbb606755232e229f11994fc2bbf10e8c5788bJohn McCall#if (__has_feature(cxx_rvalue_references) \ 4738dbb606755232e229f11994fc2bbf10e8c5788bJohn McCall || defined(__GXX_EXPERIMENTAL_CXX0X__) \ 48e20cf3d14997c3511e264748c59687a801caa6edBob Wilson || (defined(_MSC_VER) && _MSC_VER >= 1600)) 494334dd96a9e622fdcf2825a8f73a2d941d67be72Chandler Carruth#define LLVM_HAS_RVALUE_REFERENCES 1 5038dbb606755232e229f11994fc2bbf10e8c5788bJohn McCall#else 514334dd96a9e622fdcf2825a8f73a2d941d67be72Chandler Carruth#define LLVM_HAS_RVALUE_REFERENCES 0 5238dbb606755232e229f11994fc2bbf10e8c5788bJohn McCall#endif 5338dbb606755232e229f11994fc2bbf10e8c5788bJohn McCall 54a5bf44b0b396e8b9ae0db5c62c05ac6618aab5d3Chandler Carruth/// \brief Does the compiler support r-value reference *this? 55a5bf44b0b396e8b9ae0db5c62c05ac6618aab5d3Chandler Carruth/// 56a5bf44b0b396e8b9ae0db5c62c05ac6618aab5d3Chandler Carruth/// Sadly, this is separate from just r-value reference support because GCC 57a5bf44b0b396e8b9ae0db5c62c05ac6618aab5d3Chandler Carruth/// implemented everything but this thus far. No release of GCC yet has support 58a5bf44b0b396e8b9ae0db5c62c05ac6618aab5d3Chandler Carruth/// for this feature so it is enabled with Clang only. 59a5bf44b0b396e8b9ae0db5c62c05ac6618aab5d3Chandler Carruth/// FIXME: This should change to a version check when GCC grows support for it. 60a5bf44b0b396e8b9ae0db5c62c05ac6618aab5d3Chandler Carruth#if __has_feature(cxx_rvalue_references) 61a5bf44b0b396e8b9ae0db5c62c05ac6618aab5d3Chandler Carruth#define LLVM_HAS_RVALUE_REFERENCE_THIS 1 62a5bf44b0b396e8b9ae0db5c62c05ac6618aab5d3Chandler Carruth#else 63a5bf44b0b396e8b9ae0db5c62c05ac6618aab5d3Chandler Carruth#define LLVM_HAS_RVALUE_REFERENCE_THIS 0 64a5bf44b0b396e8b9ae0db5c62c05ac6618aab5d3Chandler Carruth#endif 65a5bf44b0b396e8b9ae0db5c62c05ac6618aab5d3Chandler Carruth 6601812bebcc345b09ce261317b6fdefde8f097642Michael J. Spencer/// \macro LLVM_HAS_CXX11_TYPETRAITS 6701812bebcc345b09ce261317b6fdefde8f097642Michael J. Spencer/// \brief Does the compiler have the C++11 type traits. 6801812bebcc345b09ce261317b6fdefde8f097642Michael J. Spencer/// 6901812bebcc345b09ce261317b6fdefde8f097642Michael J. Spencer/// #include <type_traits> 7001812bebcc345b09ce261317b6fdefde8f097642Michael J. Spencer/// 7101812bebcc345b09ce261317b6fdefde8f097642Michael J. Spencer/// * enable_if 7201812bebcc345b09ce261317b6fdefde8f097642Michael J. Spencer/// * {true,false}_type 7301812bebcc345b09ce261317b6fdefde8f097642Michael J. Spencer/// * is_constructible 7401812bebcc345b09ce261317b6fdefde8f097642Michael J. Spencer/// * etc... 7501812bebcc345b09ce261317b6fdefde8f097642Michael J. Spencer#if defined(__GXX_EXPERIMENTAL_CXX0X__) \ 76f3c437b167a98cbe47cace318989f1807b523cd5NAKAMURA Takumi || (defined(_MSC_VER) && _MSC_VER >= 1700) 7701812bebcc345b09ce261317b6fdefde8f097642Michael J. Spencer#define LLVM_HAS_CXX11_TYPETRAITS 1 7801812bebcc345b09ce261317b6fdefde8f097642Michael J. Spencer#else 7901812bebcc345b09ce261317b6fdefde8f097642Michael J. Spencer#define LLVM_HAS_CXX11_TYPETRAITS 0 8001812bebcc345b09ce261317b6fdefde8f097642Michael J. Spencer#endif 8101812bebcc345b09ce261317b6fdefde8f097642Michael J. Spencer 8201812bebcc345b09ce261317b6fdefde8f097642Michael J. Spencer/// \macro LLVM_HAS_CXX11_STDLIB 8301812bebcc345b09ce261317b6fdefde8f097642Michael J. Spencer/// \brief Does the compiler have the C++11 standard library. 8401812bebcc345b09ce261317b6fdefde8f097642Michael J. Spencer/// 8501812bebcc345b09ce261317b6fdefde8f097642Michael J. Spencer/// Implies LLVM_HAS_RVALUE_REFERENCES, LLVM_HAS_CXX11_TYPETRAITS 8601812bebcc345b09ce261317b6fdefde8f097642Michael J. Spencer#if defined(__GXX_EXPERIMENTAL_CXX0X__) \ 87f3c437b167a98cbe47cace318989f1807b523cd5NAKAMURA Takumi || (defined(_MSC_VER) && _MSC_VER >= 1700) 8801812bebcc345b09ce261317b6fdefde8f097642Michael J. Spencer#define LLVM_HAS_CXX11_STDLIB 1 8901812bebcc345b09ce261317b6fdefde8f097642Michael J. Spencer#else 9001812bebcc345b09ce261317b6fdefde8f097642Michael J. Spencer#define LLVM_HAS_CXX11_STDLIB 0 9101812bebcc345b09ce261317b6fdefde8f097642Michael J. Spencer#endif 9201812bebcc345b09ce261317b6fdefde8f097642Michael J. Spencer 9386f18eb0b39804cf9cf1d17cdb58f44d8d846545Michael J. Spencer/// \macro LLVM_HAS_VARIADIC_TEMPLATES 9486f18eb0b39804cf9cf1d17cdb58f44d8d846545Michael J. Spencer/// \brief Does this compiler support variadic templates. 9586f18eb0b39804cf9cf1d17cdb58f44d8d846545Michael J. Spencer/// 9686f18eb0b39804cf9cf1d17cdb58f44d8d846545Michael J. Spencer/// Implies LLVM_HAS_RVALUE_REFERENCES and the existence of std::forward. 9786f18eb0b39804cf9cf1d17cdb58f44d8d846545Michael J. Spencer#if __has_feature(cxx_variadic_templates) 9886f18eb0b39804cf9cf1d17cdb58f44d8d846545Michael J. Spencer# define LLVM_HAS_VARIADIC_TEMPLATES 1 9986f18eb0b39804cf9cf1d17cdb58f44d8d846545Michael J. Spencer#else 10086f18eb0b39804cf9cf1d17cdb58f44d8d846545Michael J. Spencer# define LLVM_HAS_VARIADIC_TEMPLATES 0 10186f18eb0b39804cf9cf1d17cdb58f44d8d846545Michael J. Spencer#endif 10286f18eb0b39804cf9cf1d17cdb58f44d8d846545Michael J. Spencer 10338dbb606755232e229f11994fc2bbf10e8c5788bJohn McCall/// llvm_move - Expands to ::std::move if the compiler supports 10438dbb606755232e229f11994fc2bbf10e8c5788bJohn McCall/// r-value references; otherwise, expands to the argument. 1054334dd96a9e622fdcf2825a8f73a2d941d67be72Chandler Carruth#if LLVM_HAS_RVALUE_REFERENCES 10686062e6782798cb52a79fce22c1e4371148f120dJohn McCall#define llvm_move(value) (::std::move(value)) 10738dbb606755232e229f11994fc2bbf10e8c5788bJohn McCall#else 10838dbb606755232e229f11994fc2bbf10e8c5788bJohn McCall#define llvm_move(value) (value) 10938dbb606755232e229f11994fc2bbf10e8c5788bJohn McCall#endif 11038dbb606755232e229f11994fc2bbf10e8c5788bJohn McCall 111adf0c3d82dbff1480c63f1ebe68c7c1e6bb5828cJordan Rose/// Expands to '&' if r-value references are supported. 112adf0c3d82dbff1480c63f1ebe68c7c1e6bb5828cJordan Rose/// 113adf0c3d82dbff1480c63f1ebe68c7c1e6bb5828cJordan Rose/// This can be used to provide l-value/r-value overrides of member functions. 114a5bf44b0b396e8b9ae0db5c62c05ac6618aab5d3Chandler Carruth/// The r-value override should be guarded by LLVM_HAS_RVALUE_REFERENCE_THIS 115a5bf44b0b396e8b9ae0db5c62c05ac6618aab5d3Chandler Carruth#if LLVM_HAS_RVALUE_REFERENCE_THIS 116adf0c3d82dbff1480c63f1ebe68c7c1e6bb5828cJordan Rose#define LLVM_LVALUE_FUNCTION & 117adf0c3d82dbff1480c63f1ebe68c7c1e6bb5828cJordan Rose#else 118adf0c3d82dbff1480c63f1ebe68c7c1e6bb5828cJordan Rose#define LLVM_LVALUE_FUNCTION 119adf0c3d82dbff1480c63f1ebe68c7c1e6bb5828cJordan Rose#endif 120adf0c3d82dbff1480c63f1ebe68c7c1e6bb5828cJordan Rose 121b9d565ac998fc857b20786bae08bb30719eb966bMichael J. Spencer/// LLVM_DELETED_FUNCTION - Expands to = delete if the compiler supports it. 122b9d565ac998fc857b20786bae08bb30719eb966bMichael J. Spencer/// Use to mark functions as uncallable. Member functions with this should 123cee033188f7b1a4f1b28b8edce0c1358f19f8158Craig Topper/// be declared private so that some behavior is kept in C++03 mode. 124b9d565ac998fc857b20786bae08bb30719eb966bMichael J. Spencer/// 125b9d565ac998fc857b20786bae08bb30719eb966bMichael J. Spencer/// class DontCopy { 126b9d565ac998fc857b20786bae08bb30719eb966bMichael J. Spencer/// private: 127b9d565ac998fc857b20786bae08bb30719eb966bMichael J. Spencer/// DontCopy(const DontCopy&) LLVM_DELETED_FUNCTION; 128b9d565ac998fc857b20786bae08bb30719eb966bMichael J. Spencer/// DontCopy &operator =(const DontCopy&) LLVM_DELETED_FUNCTION; 129b9d565ac998fc857b20786bae08bb30719eb966bMichael J. Spencer/// public: 130b9d565ac998fc857b20786bae08bb30719eb966bMichael J. Spencer/// ... 131b9d565ac998fc857b20786bae08bb30719eb966bMichael J. Spencer/// }; 132b9d565ac998fc857b20786bae08bb30719eb966bMichael J. Spencer#if (__has_feature(cxx_deleted_functions) \ 133b9d565ac998fc857b20786bae08bb30719eb966bMichael J. Spencer || defined(__GXX_EXPERIMENTAL_CXX0X__)) 134b9d565ac998fc857b20786bae08bb30719eb966bMichael J. Spencer // No version of MSVC currently supports this. 135b9d565ac998fc857b20786bae08bb30719eb966bMichael J. Spencer#define LLVM_DELETED_FUNCTION = delete 136b9d565ac998fc857b20786bae08bb30719eb966bMichael J. Spencer#else 137b9d565ac998fc857b20786bae08bb30719eb966bMichael J. Spencer#define LLVM_DELETED_FUNCTION 138b9d565ac998fc857b20786bae08bb30719eb966bMichael J. Spencer#endif 139b9d565ac998fc857b20786bae08bb30719eb966bMichael J. Spencer 140fbb13471ed99ab8fdc3dbadb091ee5e2295b7b26Craig Topper/// LLVM_FINAL - Expands to 'final' if the compiler supports it. 141fbb13471ed99ab8fdc3dbadb091ee5e2295b7b26Craig Topper/// Use to mark classes or virtual methods as final. 142235c022296c2dc225bf3b4dfd5c8f8631222e570Michael J. Spencer#if __has_feature(cxx_override_control) \ 143235c022296c2dc225bf3b4dfd5c8f8631222e570Michael J. Spencer || (defined(_MSC_VER) && _MSC_VER >= 1700) 144fbb13471ed99ab8fdc3dbadb091ee5e2295b7b26Craig Topper#define LLVM_FINAL final 145fbb13471ed99ab8fdc3dbadb091ee5e2295b7b26Craig Topper#else 146fbb13471ed99ab8fdc3dbadb091ee5e2295b7b26Craig Topper#define LLVM_FINAL 147fbb13471ed99ab8fdc3dbadb091ee5e2295b7b26Craig Topper#endif 148fbb13471ed99ab8fdc3dbadb091ee5e2295b7b26Craig Topper 149fbb13471ed99ab8fdc3dbadb091ee5e2295b7b26Craig Topper/// LLVM_OVERRIDE - Expands to 'override' if the compiler supports it. 150fbb13471ed99ab8fdc3dbadb091ee5e2295b7b26Craig Topper/// Use to mark virtual methods as overriding a base class method. 151235c022296c2dc225bf3b4dfd5c8f8631222e570Michael J. Spencer#if __has_feature(cxx_override_control) \ 152235c022296c2dc225bf3b4dfd5c8f8631222e570Michael J. Spencer || (defined(_MSC_VER) && _MSC_VER >= 1700) 153fbb13471ed99ab8fdc3dbadb091ee5e2295b7b26Craig Topper#define LLVM_OVERRIDE override 154fbb13471ed99ab8fdc3dbadb091ee5e2295b7b26Craig Topper#else 155fbb13471ed99ab8fdc3dbadb091ee5e2295b7b26Craig Topper#define LLVM_OVERRIDE 156fbb13471ed99ab8fdc3dbadb091ee5e2295b7b26Craig Topper#endif 157fbb13471ed99ab8fdc3dbadb091ee5e2295b7b26Craig Topper 158b5f8cd5bb04df52c05cbd1eddf081e6d9cf9cd64Michael J. Spencer#if __has_feature(cxx_constexpr) || defined(__GXX_EXPERIMENTAL_CXX0X__) 159b5f8cd5bb04df52c05cbd1eddf081e6d9cf9cd64Michael J. Spencer# define LLVM_CONSTEXPR constexpr 160b5f8cd5bb04df52c05cbd1eddf081e6d9cf9cd64Michael J. Spencer#else 161b5f8cd5bb04df52c05cbd1eddf081e6d9cf9cd64Michael J. Spencer# define LLVM_CONSTEXPR 162b5f8cd5bb04df52c05cbd1eddf081e6d9cf9cd64Michael J. Spencer#endif 163b5f8cd5bb04df52c05cbd1eddf081e6d9cf9cd64Michael J. Spencer 16416d8f8bd919b72866e687d99f3aa94a140137c59Duncan Sands/// LLVM_LIBRARY_VISIBILITY - If a class marked with this attribute is linked 16516d8f8bd919b72866e687d99f3aa94a140137c59Duncan Sands/// into a shared library, then the class should be private to the library and 16616d8f8bd919b72866e687d99f3aa94a140137c59Duncan Sands/// not accessible from outside it. Can also be used to mark variables and 16716d8f8bd919b72866e687d99f3aa94a140137c59Duncan Sands/// functions, making them private to any shared library they are linked into. 168ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner/// On PE/COFF targets, library visibility is the default, so this isn't needed. 169ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner#if (__has_attribute(visibility) || __GNUC_PREREQ(4, 0)) && \ 170ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner !defined(__MINGW32__) && !defined(__CYGWIN__) && !defined(LLVM_ON_WIN32) 17116d8f8bd919b72866e687d99f3aa94a140137c59Duncan Sands#define LLVM_LIBRARY_VISIBILITY __attribute__ ((visibility("hidden"))) 1720c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner#else 17316d8f8bd919b72866e687d99f3aa94a140137c59Duncan Sands#define LLVM_LIBRARY_VISIBILITY 1740c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner#endif 1750c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner 176ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner#if __has_attribute(used) || __GNUC_PREREQ(3, 1) 177100c267249d1d03c4f96eede9877a4f9f54f2247Chandler Carruth#define LLVM_ATTRIBUTE_USED __attribute__((__used__)) 1780d885d1661f87bd2dc25bfdacb29413f0be81bd4Devang Patel#else 179100c267249d1d03c4f96eede9877a4f9f54f2247Chandler Carruth#define LLVM_ATTRIBUTE_USED 1800d885d1661f87bd2dc25bfdacb29413f0be81bd4Devang Patel#endif 1810c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner 1827283da51b8860ca9af4cb5ca082f7bcca3894d99Chandler Carruth// Some compilers warn about unused functions. When a function is sometimes 1837283da51b8860ca9af4cb5ca082f7bcca3894d99Chandler Carruth// used or not depending on build settings (e.g. a function only called from 1847283da51b8860ca9af4cb5ca082f7bcca3894d99Chandler Carruth// within "assert"), this attribute can be used to suppress such warnings. 1857283da51b8860ca9af4cb5ca082f7bcca3894d99Chandler Carruth// 1867283da51b8860ca9af4cb5ca082f7bcca3894d99Chandler Carruth// However, it shouldn't be used for unused *variables*, as those have a much 1877283da51b8860ca9af4cb5ca082f7bcca3894d99Chandler Carruth// more portable solution: 1887283da51b8860ca9af4cb5ca082f7bcca3894d99Chandler Carruth// (void)unused_var_name; 1897283da51b8860ca9af4cb5ca082f7bcca3894d99Chandler Carruth// Prefer cast-to-void wherever it is sufficient. 190ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner#if __has_attribute(unused) || __GNUC_PREREQ(3, 1) 191100c267249d1d03c4f96eede9877a4f9f54f2247Chandler Carruth#define LLVM_ATTRIBUTE_UNUSED __attribute__((__unused__)) 192079b6f5ee5c3516b773a3ad71874c14e8ea7479cBill Wendling#else 193100c267249d1d03c4f96eede9877a4f9f54f2247Chandler Carruth#define LLVM_ATTRIBUTE_UNUSED 194079b6f5ee5c3516b773a3ad71874c14e8ea7479cBill Wendling#endif 195079b6f5ee5c3516b773a3ad71874c14e8ea7479cBill Wendling 196ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner// FIXME: Provide this for PE/COFF targets. 197ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner#if (__has_attribute(weak) || __GNUC_PREREQ(4, 0)) && \ 198ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner (!defined(__MINGW32__) && !defined(__CYGWIN__) && !defined(LLVM_ON_WIN32)) 19975c0d8e0d8f4e10587985b950f2c0752e45e099eDaniel Dunbar#define LLVM_ATTRIBUTE_WEAK __attribute__((__weak__)) 2006f0c67d4ffbc9c47153cab94985a22699b699729Chris Lattner#else 20175c0d8e0d8f4e10587985b950f2c0752e45e099eDaniel Dunbar#define LLVM_ATTRIBUTE_WEAK 2026f0c67d4ffbc9c47153cab94985a22699b699729Chris Lattner#endif 2036f0c67d4ffbc9c47153cab94985a22699b699729Chris Lattner 204ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner// Prior to clang 3.2, clang did not accept any spelling of 205ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner// __has_attribute(const), so assume it is supported. 206ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner#if defined(__clang__) || defined(__GNUC__) 207ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner// aka 'CONST' but following LLVM Conventions. 20875c0d8e0d8f4e10587985b950f2c0752e45e099eDaniel Dunbar#define LLVM_READNONE __attribute__((__const__)) 2096f0c67d4ffbc9c47153cab94985a22699b699729Chris Lattner#else 21075c0d8e0d8f4e10587985b950f2c0752e45e099eDaniel Dunbar#define LLVM_READNONE 2116f0c67d4ffbc9c47153cab94985a22699b699729Chris Lattner#endif 2126f0c67d4ffbc9c47153cab94985a22699b699729Chris Lattner 213ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner#if __has_attribute(pure) || defined(__GNUC__) 214ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner// aka 'PURE' but following LLVM Conventions. 21575c0d8e0d8f4e10587985b950f2c0752e45e099eDaniel Dunbar#define LLVM_READONLY __attribute__((__pure__)) 216ec381a4183f70122305f810c6b11b8f0e3bf83c0Nick Lewycky#else 21775c0d8e0d8f4e10587985b950f2c0752e45e099eDaniel Dunbar#define LLVM_READONLY 218ec381a4183f70122305f810c6b11b8f0e3bf83c0Nick Lewycky#endif 219ec381a4183f70122305f810c6b11b8f0e3bf83c0Nick Lewycky 220ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner#if __has_builtin(__builtin_expect) || __GNUC_PREREQ(4, 0) 2214d69a8c8b2133e441503ac9583c4a6056f52e0f3Benjamin Kramer#define LLVM_LIKELY(EXPR) __builtin_expect((bool)(EXPR), true) 2224d69a8c8b2133e441503ac9583c4a6056f52e0f3Benjamin Kramer#define LLVM_UNLIKELY(EXPR) __builtin_expect((bool)(EXPR), false) 223b372c1114c1eeffbd1a3f6ddc5d33e77564bfee2Daniel Dunbar#else 22455907d1274ce715b92d584e305e0708e333a33c0Benjamin Kramer#define LLVM_LIKELY(EXPR) (EXPR) 22555907d1274ce715b92d584e305e0708e333a33c0Benjamin Kramer#define LLVM_UNLIKELY(EXPR) (EXPR) 226b372c1114c1eeffbd1a3f6ddc5d33e77564bfee2Daniel Dunbar#endif 227b372c1114c1eeffbd1a3f6ddc5d33e77564bfee2Daniel Dunbar 2280c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner// C++ doesn't support 'extern template' of template specializations. GCC does, 2290c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner// but requires __extension__ before it. In the header, use this: 2300c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner// EXTERN_TEMPLATE_INSTANTIATION(class foo<bar>); 2310c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner// in the .cpp file, use this: 2320c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner// TEMPLATE_INSTANTIATION(class foo<bar>); 2330c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner#ifdef __GNUC__ 2340c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner#define EXTERN_TEMPLATE_INSTANTIATION(X) __extension__ extern template X 2350c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner#define TEMPLATE_INSTANTIATION(X) template X 2360c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner#else 2370c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner#define EXTERN_TEMPLATE_INSTANTIATION(X) 2380c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner#define TEMPLATE_INSTANTIATION(X) 2390c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner#endif 2400c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner 2417279809d97a7094f6b7c6eb83203dd6b56b00eccCraig Topper/// LLVM_ATTRIBUTE_NOINLINE - On compilers where we have a directive to do so, 2427279809d97a7094f6b7c6eb83203dd6b56b00eccCraig Topper/// mark a method "not for inlining". 243ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner#if __has_attribute(noinline) || __GNUC_PREREQ(3, 4) 24419e57025d458d3cb50804fd821fd89b868a819bdChandler Carruth#define LLVM_ATTRIBUTE_NOINLINE __attribute__((noinline)) 245f2a39bd24fe72481fa8fa612f3494efd41a8e001Benjamin Kramer#elif defined(_MSC_VER) 24619e57025d458d3cb50804fd821fd89b868a819bdChandler Carruth#define LLVM_ATTRIBUTE_NOINLINE __declspec(noinline) 2476f3241dbbf6926a1ad1d0e2f1e50e6228a55b258Chris Lattner#else 24819e57025d458d3cb50804fd821fd89b868a819bdChandler Carruth#define LLVM_ATTRIBUTE_NOINLINE 2496f3241dbbf6926a1ad1d0e2f1e50e6228a55b258Chris Lattner#endif 2506f3241dbbf6926a1ad1d0e2f1e50e6228a55b258Chris Lattner 2517279809d97a7094f6b7c6eb83203dd6b56b00eccCraig Topper/// LLVM_ATTRIBUTE_ALWAYS_INLINE - On compilers where we have a directive to do 2527279809d97a7094f6b7c6eb83203dd6b56b00eccCraig Topper/// so, mark a method "always inline" because it is performance sensitive. GCC 2537279809d97a7094f6b7c6eb83203dd6b56b00eccCraig Topper/// 3.4 supported this but is buggy in various cases and produces unimplemented 2547279809d97a7094f6b7c6eb83203dd6b56b00eccCraig Topper/// errors, just use it in GCC 4.0 and later. 255ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner#if __has_attribute(always_inline) || __GNUC_PREREQ(4, 0) 256428ff6a6445ac1a0d263776cb0301f77f1454286Galina Kistanova#define LLVM_ATTRIBUTE_ALWAYS_INLINE inline __attribute__((always_inline)) 257a0b991be3f2a15a8358d94c6b9773568ec74e8f0Michael J. Spencer#elif defined(_MSC_VER) 25819e57025d458d3cb50804fd821fd89b868a819bdChandler Carruth#define LLVM_ATTRIBUTE_ALWAYS_INLINE __forceinline 25996c7ae5e978750380360fcb3f6e47876be337c31Chris Lattner#else 26019e57025d458d3cb50804fd821fd89b868a819bdChandler Carruth#define LLVM_ATTRIBUTE_ALWAYS_INLINE 26196c7ae5e978750380360fcb3f6e47876be337c31Chris Lattner#endif 26296c7ae5e978750380360fcb3f6e47876be337c31Chris Lattner 26331e2466f159a887fed9139067a676f65adf2a8c3Torok Edwin#ifdef __GNUC__ 26419e57025d458d3cb50804fd821fd89b868a819bdChandler Carruth#define LLVM_ATTRIBUTE_NORETURN __attribute__((noreturn)) 2657b068610eb68ae02c1c92a98d4a3749c7cb6456cBenjamin Kramer#elif defined(_MSC_VER) 26619e57025d458d3cb50804fd821fd89b868a819bdChandler Carruth#define LLVM_ATTRIBUTE_NORETURN __declspec(noreturn) 26731e2466f159a887fed9139067a676f65adf2a8c3Torok Edwin#else 26819e57025d458d3cb50804fd821fd89b868a819bdChandler Carruth#define LLVM_ATTRIBUTE_NORETURN 26931e2466f159a887fed9139067a676f65adf2a8c3Torok Edwin#endif 27031e2466f159a887fed9139067a676f65adf2a8c3Torok Edwin 2717279809d97a7094f6b7c6eb83203dd6b56b00eccCraig Topper/// LLVM_EXTENSION - Support compilers where we have a keyword to suppress 2727279809d97a7094f6b7c6eb83203dd6b56b00eccCraig Topper/// pedantic diagnostics. 2738f4a17214c75e8ce3f2f88a2e3cd3300faba5fc6Daniel Dunbar#ifdef __GNUC__ 2748f4a17214c75e8ce3f2f88a2e3cd3300faba5fc6Daniel Dunbar#define LLVM_EXTENSION __extension__ 2758f4a17214c75e8ce3f2f88a2e3cd3300faba5fc6Daniel Dunbar#else 2768f4a17214c75e8ce3f2f88a2e3cd3300faba5fc6Daniel Dunbar#define LLVM_EXTENSION 2778f4a17214c75e8ce3f2f88a2e3cd3300faba5fc6Daniel Dunbar#endif 2788f4a17214c75e8ce3f2f88a2e3cd3300faba5fc6Daniel Dunbar 279965841cfe4de695fc56cab4821fd7e032ff85b83Michael J. Spencer// LLVM_ATTRIBUTE_DEPRECATED(decl, "message") 280965841cfe4de695fc56cab4821fd7e032ff85b83Michael J. Spencer#if __has_feature(attribute_deprecated_with_message) 281965841cfe4de695fc56cab4821fd7e032ff85b83Michael J. Spencer# define LLVM_ATTRIBUTE_DEPRECATED(decl, message) \ 282965841cfe4de695fc56cab4821fd7e032ff85b83Michael J. Spencer decl __attribute__((deprecated(message))) 283965841cfe4de695fc56cab4821fd7e032ff85b83Michael J. Spencer#elif defined(__GNUC__) 284965841cfe4de695fc56cab4821fd7e032ff85b83Michael J. Spencer# define LLVM_ATTRIBUTE_DEPRECATED(decl, message) \ 285965841cfe4de695fc56cab4821fd7e032ff85b83Michael J. Spencer decl __attribute__((deprecated)) 286965841cfe4de695fc56cab4821fd7e032ff85b83Michael J. Spencer#elif defined(_MSC_VER) 287965841cfe4de695fc56cab4821fd7e032ff85b83Michael J. Spencer# define LLVM_ATTRIBUTE_DEPRECATED(decl, message) \ 288965841cfe4de695fc56cab4821fd7e032ff85b83Michael J. Spencer __declspec(deprecated(message)) decl 289965841cfe4de695fc56cab4821fd7e032ff85b83Michael J. Spencer#else 290965841cfe4de695fc56cab4821fd7e032ff85b83Michael J. Spencer# define LLVM_ATTRIBUTE_DEPRECATED(decl, message) \ 291965841cfe4de695fc56cab4821fd7e032ff85b83Michael J. Spencer decl 292965841cfe4de695fc56cab4821fd7e032ff85b83Michael J. Spencer#endif 293965841cfe4de695fc56cab4821fd7e032ff85b83Michael J. Spencer 2947279809d97a7094f6b7c6eb83203dd6b56b00eccCraig Topper/// LLVM_BUILTIN_UNREACHABLE - On compilers which support it, expands 2957279809d97a7094f6b7c6eb83203dd6b56b00eccCraig Topper/// to an expression which states that it is undefined behavior for the 2967279809d97a7094f6b7c6eb83203dd6b56b00eccCraig Topper/// compiler to reach this point. Otherwise is not defined. 297ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner#if __has_builtin(__builtin_unreachable) || __GNUC_PREREQ(4, 5) 2982f9a9ed785416a7350f30141fcc405b69a1b9d5dJohn McCall# define LLVM_BUILTIN_UNREACHABLE __builtin_unreachable() 299c8b18df9a79ddb759d6a563dd7ebd90b85ae4918Michael J. Spencer#elif defined(_MSC_VER) 300c8b18df9a79ddb759d6a563dd7ebd90b85ae4918Michael J. Spencer# define LLVM_BUILTIN_UNREACHABLE __assume(false) 3012f9a9ed785416a7350f30141fcc405b69a1b9d5dJohn McCall#endif 3022f9a9ed785416a7350f30141fcc405b69a1b9d5dJohn McCall 3037279809d97a7094f6b7c6eb83203dd6b56b00eccCraig Topper/// LLVM_BUILTIN_TRAP - On compilers which support it, expands to an expression 3047279809d97a7094f6b7c6eb83203dd6b56b00eccCraig Topper/// which causes the program to exit abnormally. 305ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner#if __has_builtin(__builtin_trap) || __GNUC_PREREQ(4, 3) 30674169b293f2fc8767db3c659fde6b001b7d5075fDavid Blaikie# define LLVM_BUILTIN_TRAP __builtin_trap() 30774169b293f2fc8767db3c659fde6b001b7d5075fDavid Blaikie#else 30874169b293f2fc8767db3c659fde6b001b7d5075fDavid Blaikie# define LLVM_BUILTIN_TRAP *(volatile int*)0x11 = 0 30974169b293f2fc8767db3c659fde6b001b7d5075fDavid Blaikie#endif 31074169b293f2fc8767db3c659fde6b001b7d5075fDavid Blaikie 311c8b18df9a79ddb759d6a563dd7ebd90b85ae4918Michael J. Spencer/// \macro LLVM_ASSUME_ALIGNED 312c8b18df9a79ddb759d6a563dd7ebd90b85ae4918Michael J. Spencer/// \brief Returns a pointer with an assumed alignment. 313ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner#if __has_builtin(__builtin_assume_aligned) && __GNUC_PREREQ(4, 7) 314c8b18df9a79ddb759d6a563dd7ebd90b85ae4918Michael J. Spencer# define LLVM_ASSUME_ALIGNED(p, a) __builtin_assume_aligned(p, a) 3151eae141f195b7edd060c2c872ea3eac4ce937262NAKAMURA Takumi#elif defined(LLVM_BUILTIN_UNREACHABLE) 316ca4ed882f4b0d9ddb0ed49474ae5e217dde3ab5eReid Kleckner// As of today, clang does not support __builtin_assume_aligned. 317c8b18df9a79ddb759d6a563dd7ebd90b85ae4918Michael J. Spencer# define LLVM_ASSUME_ALIGNED(p, a) \ 318c8b18df9a79ddb759d6a563dd7ebd90b85ae4918Michael J. Spencer (((uintptr_t(p) % (a)) == 0) ? (p) : (LLVM_BUILTIN_UNREACHABLE, (p))) 3191eae141f195b7edd060c2c872ea3eac4ce937262NAKAMURA Takumi#else 3201eae141f195b7edd060c2c872ea3eac4ce937262NAKAMURA Takumi# define LLVM_ASSUME_ALIGNED(p, a) (p) 321c8b18df9a79ddb759d6a563dd7ebd90b85ae4918Michael J. Spencer#endif 322c8b18df9a79ddb759d6a563dd7ebd90b85ae4918Michael J. Spencer 323caa91f8b8562a18eb9b66916660f950be027fd9fDmitri Gribenko/// \macro LLVM_FUNCTION_NAME 324caa91f8b8562a18eb9b66916660f950be027fd9fDmitri Gribenko/// \brief Expands to __func__ on compilers which support it. Otherwise, 325caa91f8b8562a18eb9b66916660f950be027fd9fDmitri Gribenko/// expands to a compiler-dependent replacement. 326caa91f8b8562a18eb9b66916660f950be027fd9fDmitri Gribenko#if defined(_MSC_VER) 327caa91f8b8562a18eb9b66916660f950be027fd9fDmitri Gribenko# define LLVM_FUNCTION_NAME __FUNCTION__ 328caa91f8b8562a18eb9b66916660f950be027fd9fDmitri Gribenko#else 329caa91f8b8562a18eb9b66916660f950be027fd9fDmitri Gribenko# define LLVM_FUNCTION_NAME __func__ 330caa91f8b8562a18eb9b66916660f950be027fd9fDmitri Gribenko#endif 331caa91f8b8562a18eb9b66916660f950be027fd9fDmitri Gribenko 332782a65056aeed8ed3b632deeeec6973986c751bfEvgeniy Stepanov#if defined(HAVE_SANITIZER_MSAN_INTERFACE_H) 333ea2d8780e9c78628fe5e3312ca4c17c054156c83Evgeniy Stepanov# include <sanitizer/msan_interface.h> 334ea2d8780e9c78628fe5e3312ca4c17c054156c83Evgeniy Stepanov#else 335ea2d8780e9c78628fe5e3312ca4c17c054156c83Evgeniy Stepanov# define __msan_allocated_memory(p, size) 3369c02a276049cbd1d1511a88ebc7a22bb33658237Evgeniy Stepanov# define __msan_unpoison(p, size) 337ea2d8780e9c78628fe5e3312ca4c17c054156c83Evgeniy Stepanov#endif 338ea2d8780e9c78628fe5e3312ca4c17c054156c83Evgeniy Stepanov 339ea2d8780e9c78628fe5e3312ca4c17c054156c83Evgeniy Stepanov/// \macro LLVM_MEMORY_SANITIZER_BUILD 340ea2d8780e9c78628fe5e3312ca4c17c054156c83Evgeniy Stepanov/// \brief Whether LLVM itself is built with MemorySanitizer instrumentation. 341ea2d8780e9c78628fe5e3312ca4c17c054156c83Evgeniy Stepanov#if __has_feature(memory_sanitizer) 342ea2d8780e9c78628fe5e3312ca4c17c054156c83Evgeniy Stepanov# define LLVM_MEMORY_SANITIZER_BUILD 1 343ea2d8780e9c78628fe5e3312ca4c17c054156c83Evgeniy Stepanov#else 344ea2d8780e9c78628fe5e3312ca4c17c054156c83Evgeniy Stepanov# define LLVM_MEMORY_SANITIZER_BUILD 0 345ea2d8780e9c78628fe5e3312ca4c17c054156c83Evgeniy Stepanov#endif 346ea2d8780e9c78628fe5e3312ca4c17c054156c83Evgeniy Stepanov 3479c02a276049cbd1d1511a88ebc7a22bb33658237Evgeniy Stepanov/// \macro LLVM_ADDRESS_SANITIZER_BUILD 3489c02a276049cbd1d1511a88ebc7a22bb33658237Evgeniy Stepanov/// \brief Whether LLVM itself is built with AddressSanitizer instrumentation. 3499c02a276049cbd1d1511a88ebc7a22bb33658237Evgeniy Stepanov#if __has_feature(address_sanitizer) || defined(__SANITIZE_ADDRESS__) 3509c02a276049cbd1d1511a88ebc7a22bb33658237Evgeniy Stepanov# define LLVM_ADDRESS_SANITIZER_BUILD 1 3519c02a276049cbd1d1511a88ebc7a22bb33658237Evgeniy Stepanov#else 3529c02a276049cbd1d1511a88ebc7a22bb33658237Evgeniy Stepanov# define LLVM_ADDRESS_SANITIZER_BUILD 0 3539c02a276049cbd1d1511a88ebc7a22bb33658237Evgeniy Stepanov#endif 3549c02a276049cbd1d1511a88ebc7a22bb33658237Evgeniy Stepanov 355d9d2f187759d0154574657c195068d367c338473Michael J. Spencer/// \macro LLVM_IS_UNALIGNED_ACCESS_FAST 356d9d2f187759d0154574657c195068d367c338473Michael J. Spencer/// \brief Is unaligned memory access fast on the host machine. 357d9d2f187759d0154574657c195068d367c338473Michael J. Spencer/// 358d9d2f187759d0154574657c195068d367c338473Michael J. Spencer/// Don't specialize on alignment for platforms where unaligned memory accesses 359d9d2f187759d0154574657c195068d367c338473Michael J. Spencer/// generates the same code as aligned memory accesses for common types. 360d9d2f187759d0154574657c195068d367c338473Michael J. Spencer#if defined(_M_AMD64) || defined(_M_IX86) || defined(__amd64) || \ 361d9d2f187759d0154574657c195068d367c338473Michael J. Spencer defined(__amd64__) || defined(__x86_64) || defined(__x86_64__) || \ 362d9d2f187759d0154574657c195068d367c338473Michael J. Spencer defined(_X86_) || defined(__i386) || defined(__i386__) 363d9d2f187759d0154574657c195068d367c338473Michael J. Spencer# define LLVM_IS_UNALIGNED_ACCESS_FAST 1 364d9d2f187759d0154574657c195068d367c338473Michael J. Spencer#else 365d9d2f187759d0154574657c195068d367c338473Michael J. Spencer# define LLVM_IS_UNALIGNED_ACCESS_FAST 0 366d9d2f187759d0154574657c195068d367c338473Michael J. Spencer#endif 367d9d2f187759d0154574657c195068d367c338473Michael J. Spencer 3682bbc19c1c6cd60b9c56750d7b03311c47a88b748David Blaikie/// \macro LLVM_EXPLICIT 3692bbc19c1c6cd60b9c56750d7b03311c47a88b748David Blaikie/// \brief Expands to explicit on compilers which support explicit conversion 3702bbc19c1c6cd60b9c56750d7b03311c47a88b748David Blaikie/// operators. Otherwise expands to nothing. 3712bbc19c1c6cd60b9c56750d7b03311c47a88b748David Blaikie#if (__has_feature(cxx_explicit_conversions) \ 3722bbc19c1c6cd60b9c56750d7b03311c47a88b748David Blaikie || defined(__GXX_EXPERIMENTAL_CXX0X__)) 3732bbc19c1c6cd60b9c56750d7b03311c47a88b748David Blaikie#define LLVM_EXPLICIT explicit 3742bbc19c1c6cd60b9c56750d7b03311c47a88b748David Blaikie#else 3752bbc19c1c6cd60b9c56750d7b03311c47a88b748David Blaikie#define LLVM_EXPLICIT 3762bbc19c1c6cd60b9c56750d7b03311c47a88b748David Blaikie#endif 3772bbc19c1c6cd60b9c56750d7b03311c47a88b748David Blaikie 378d1995b2a362c45d4d119b0cec8977360dd6ef33fArgyrios Kyrtzidis/// \macro LLVM_STATIC_ASSERT 379d1995b2a362c45d4d119b0cec8977360dd6ef33fArgyrios Kyrtzidis/// \brief Expands to C/C++'s static_assert on compilers which support it. 380d1995b2a362c45d4d119b0cec8977360dd6ef33fArgyrios Kyrtzidis#if __has_feature(cxx_static_assert) 381d1995b2a362c45d4d119b0cec8977360dd6ef33fArgyrios Kyrtzidis# define LLVM_STATIC_ASSERT(expr, msg) static_assert(expr, msg) 382d1995b2a362c45d4d119b0cec8977360dd6ef33fArgyrios Kyrtzidis#elif __has_feature(c_static_assert) 383d1995b2a362c45d4d119b0cec8977360dd6ef33fArgyrios Kyrtzidis# define LLVM_STATIC_ASSERT(expr, msg) _Static_assert(expr, msg) 384d1995b2a362c45d4d119b0cec8977360dd6ef33fArgyrios Kyrtzidis#else 385d1995b2a362c45d4d119b0cec8977360dd6ef33fArgyrios Kyrtzidis# define LLVM_STATIC_ASSERT(expr, msg) 386d1995b2a362c45d4d119b0cec8977360dd6ef33fArgyrios Kyrtzidis#endif 387d1995b2a362c45d4d119b0cec8977360dd6ef33fArgyrios Kyrtzidis 3880c0cc92762bdf34f26762eeaf66f6f8791428db5Chris Lattner#endif 389