"Target Library Information", false, true)
char TargetLibraryInfo::ID = 0;
+void TargetLibraryInfo::anchor() { }
+
const char* TargetLibraryInfo::StandardNames[LibFunc::NumLibFuncs] =
{
+ "_IO_getc",
+ "_IO_putc",
+ "_ZdaPv",
+ "_ZdaPvRKSt9nothrow_t",
+ "_ZdlPv",
+ "_ZdlPvRKSt9nothrow_t",
+ "_Znaj",
+ "_ZnajRKSt9nothrow_t",
+ "_Znam",
+ "_ZnamRKSt9nothrow_t",
+ "_Znwj",
+ "_ZnwjRKSt9nothrow_t",
+ "_Znwm",
+ "_ZnwmRKSt9nothrow_t",
+ "__cospi",
+ "__cospif",
+ "__cxa_atexit",
+ "__cxa_guard_abort",
+ "__cxa_guard_acquire",
+ "__cxa_guard_release",
+ "__isoc99_scanf",
+ "__isoc99_sscanf",
+ "__memcpy_chk",
+ "__sincospi_stret",
+ "__sincospif_stret",
+ "__sinpi",
+ "__sinpif",
+ "__sqrt_finite",
+ "__sqrtf_finite",
+ "__sqrtl_finite",
+ "__strdup",
+ "__strndup",
+ "__strtok_r",
+ "abs",
+ "access",
"acos",
- "acosl",
"acosf",
+ "acosh",
+ "acoshf",
+ "acoshl",
+ "acosl",
"asin",
- "asinl",
"asinf",
+ "asinh",
+ "asinhf",
+ "asinhl",
+ "asinl",
"atan",
- "atanl",
- "atanf",
"atan2",
- "atan2l",
"atan2f",
+ "atan2l",
+ "atanf",
+ "atanh",
+ "atanhf",
+ "atanhl",
+ "atanl",
+ "atof",
+ "atoi",
+ "atol",
+ "atoll",
+ "bcmp",
+ "bcopy",
+ "bzero",
+ "calloc",
+ "cbrt",
+ "cbrtf",
+ "cbrtl",
"ceil",
- "ceill",
"ceilf",
+ "ceill",
+ "chmod",
+ "chown",
+ "clearerr",
+ "closedir",
+ "copysign",
+ "copysignf",
+ "copysignl",
"cos",
- "cosl",
"cosf",
"cosh",
- "coshl",
"coshf",
+ "coshl",
+ "cosl",
+ "ctermid",
"exp",
- "expl",
- "expf",
+ "exp10",
+ "exp10f",
+ "exp10l",
"exp2",
- "exp2l",
"exp2f",
+ "exp2l",
+ "expf",
+ "expl",
"expm1",
+ "expm1f",
"expm1l",
- "expl1f",
"fabs",
- "fabsl",
"fabsf",
+ "fabsl",
+ "fclose",
+ "fdopen",
+ "feof",
+ "ferror",
+ "fflush",
+ "ffs",
+ "ffsl",
+ "ffsll",
+ "fgetc",
+ "fgetpos",
+ "fgets",
+ "fileno",
+ "fiprintf",
+ "flockfile",
"floor",
- "floorl",
"floorf",
- "fiprintf",
+ "floorl",
+ "fmax",
+ "fmaxf",
+ "fmaxl",
+ "fmin",
+ "fminf",
+ "fminl",
"fmod",
- "fmodl",
"fmodf",
+ "fmodl",
+ "fopen",
+ "fopen64",
+ "fprintf",
+ "fputc",
"fputs",
+ "fread",
+ "free",
+ "frexp",
+ "frexpf",
+ "frexpl",
+ "fscanf",
+ "fseek",
+ "fseeko",
+ "fseeko64",
+ "fsetpos",
+ "fstat",
+ "fstat64",
+ "fstatvfs",
+ "fstatvfs64",
+ "ftell",
+ "ftello",
+ "ftello64",
+ "ftrylockfile",
+ "funlockfile",
"fwrite",
+ "getc",
+ "getc_unlocked",
+ "getchar",
+ "getenv",
+ "getitimer",
+ "getlogin_r",
+ "getpwnam",
+ "gets",
+ "gettimeofday",
+ "htonl",
+ "htons",
"iprintf",
+ "isascii",
+ "isdigit",
+ "labs",
+ "lchown",
+ "ldexp",
+ "ldexpf",
+ "ldexpl",
+ "llabs",
"log",
- "logl",
- "logf",
- "log2",
- "log2l",
- "log2f",
"log10",
- "log10l",
"log10f",
+ "log10l",
"log1p",
- "log1pl",
"log1pf",
+ "log1pl",
+ "log2",
+ "log2f",
+ "log2l",
+ "logb",
+ "logbf",
+ "logbl",
+ "logf",
+ "logl",
+ "lstat",
+ "lstat64",
+ "malloc",
+ "memalign",
+ "memccpy",
+ "memchr",
+ "memcmp",
"memcpy",
"memmove",
+ "memrchr",
"memset",
"memset_pattern16",
+ "mkdir",
+ "mktime",
+ "modf",
+ "modff",
+ "modfl",
+ "nearbyint",
+ "nearbyintf",
+ "nearbyintl",
+ "ntohl",
+ "ntohs",
+ "open",
+ "open64",
+ "opendir",
+ "pclose",
+ "perror",
+ "popen",
+ "posix_memalign",
"pow",
"powf",
"powl",
+ "pread",
+ "printf",
+ "putc",
+ "putchar",
+ "puts",
+ "pwrite",
+ "qsort",
+ "read",
+ "readlink",
+ "realloc",
+ "reallocf",
+ "realpath",
+ "remove",
+ "rename",
+ "rewind",
+ "rint",
+ "rintf",
+ "rintl",
+ "rmdir",
+ "round",
+ "roundf",
+ "roundl",
+ "scanf",
+ "setbuf",
+ "setitimer",
+ "setvbuf",
"sin",
- "sinl",
"sinf",
"sinh",
- "sinhl",
"sinhf",
+ "sinhl",
+ "sinl",
"siprintf",
+ "snprintf",
+ "sprintf",
"sqrt",
- "sqrtl",
"sqrtf",
+ "sqrtl",
+ "sscanf",
+ "stat",
+ "stat64",
+ "statvfs",
+ "statvfs64",
+ "stpcpy",
+ "stpncpy",
+ "strcasecmp",
+ "strcat",
+ "strchr",
+ "strcmp",
+ "strcoll",
+ "strcpy",
+ "strcspn",
+ "strdup",
+ "strlen",
+ "strncasecmp",
+ "strncat",
+ "strncmp",
+ "strncpy",
+ "strndup",
+ "strnlen",
+ "strpbrk",
+ "strrchr",
+ "strspn",
+ "strstr",
+ "strtod",
+ "strtof",
+ "strtok",
+ "strtok_r",
+ "strtol",
+ "strtold",
+ "strtoll",
+ "strtoul",
+ "strtoull",
+ "strxfrm",
+ "system",
"tan",
- "tanl",
"tanf",
"tanh",
+ "tanhf",
"tanhl",
- "tanhf"
+ "tanl",
+ "times",
+ "tmpfile",
+ "tmpfile64",
+ "toascii",
+ "trunc",
+ "truncf",
+ "truncl",
+ "uname",
+ "ungetc",
+ "unlink",
+ "unsetenv",
+ "utime",
+ "utimes",
+ "valloc",
+ "vfprintf",
+ "vfscanf",
+ "vprintf",
+ "vscanf",
+ "vsnprintf",
+ "vsprintf",
+ "vsscanf",
+ "write"
};
+static bool hasSinCosPiStret(const Triple &T) {
+ // Only Darwin variants have _stret versions of combined trig functions.
+ if (!T.isMacOSX() && T.getOS() != Triple::IOS)
+ return false;
+
+ // The ABI is rather complicated on x86, so don't do anything special there.
+ if (T.getArch() == Triple::x86)
+ return false;
+
+ if (T.isMacOSX() && T.isMacOSXVersionLT(10, 9))
+ return false;
+
+ if (T.getOS() == Triple::IOS && T.isOSVersionLT(7, 0))
+ return false;
+
+ return true;
+}
+
/// initialize - Initialize the set of available library functions based on the
/// specified target triple. This should be carefully written so that a missing
/// target triple gets a sane set of defaults.
-static void initialize(TargetLibraryInfo &TLI, const Triple &T) {
+static void initialize(TargetLibraryInfo &TLI, const Triple &T,
+ const char **StandardNames) {
initializeTargetLibraryInfoPass(*PassRegistry::getPassRegistry());
-
- // memset_pattern16 is only available on iOS 3.0 and Mac OS/X 10.5 and later.
+#ifndef NDEBUG
+ // Verify that the StandardNames array is in alphabetical order.
+ for (unsigned F = 1; F < LibFunc::NumLibFuncs; ++F) {
+ if (strcmp(StandardNames[F-1], StandardNames[F]) >= 0)
+ llvm_unreachable("TargetLibraryInfo function names must be sorted");
+ }
+#endif // !NDEBUG
+
+ // There are no library implementations of mempcy and memset for r600 and
+ // these can be difficult to lower in the backend.
+ if (T.getArch() == Triple::r600) {
+ TLI.setUnavailable(LibFunc::memcpy);
+ TLI.setUnavailable(LibFunc::memset);
+ TLI.setUnavailable(LibFunc::memset_pattern16);
+ return;
+ }
+
+ // memset_pattern16 is only available on iOS 3.0 and Mac OS X 10.5 and later.
if (T.isMacOSX()) {
if (T.isMacOSXVersionLT(10, 5))
TLI.setUnavailable(LibFunc::memset_pattern16);
- } else if (T.getOS() == Triple::IOS) {
+ } else if (T.isiOS()) {
if (T.isOSVersionLT(3, 0))
TLI.setUnavailable(LibFunc::memset_pattern16);
} else {
TLI.setUnavailable(LibFunc::memset_pattern16);
}
+ if (!hasSinCosPiStret(T)) {
+ TLI.setUnavailable(LibFunc::sinpi);
+ TLI.setUnavailable(LibFunc::sinpif);
+ TLI.setUnavailable(LibFunc::cospi);
+ TLI.setUnavailable(LibFunc::cospif);
+ TLI.setUnavailable(LibFunc::sincospi_stret);
+ TLI.setUnavailable(LibFunc::sincospif_stret);
+ }
+
if (T.isMacOSX() && T.getArch() == Triple::x86 &&
!T.isMacOSXVersionLT(10, 7)) {
// x86-32 OSX has a scheme where fwrite and fputs (and some other functions
TLI.setUnavailable(LibFunc::siprintf);
TLI.setUnavailable(LibFunc::fiprintf);
}
+
+ if (T.isKnownWindowsMSVCEnvironment()) {
+ // Win32 does not support long double
+ TLI.setUnavailable(LibFunc::acosl);
+ TLI.setUnavailable(LibFunc::asinl);
+ TLI.setUnavailable(LibFunc::atanl);
+ TLI.setUnavailable(LibFunc::atan2l);
+ TLI.setUnavailable(LibFunc::ceill);
+ TLI.setUnavailable(LibFunc::copysignl);
+ TLI.setUnavailable(LibFunc::cosl);
+ TLI.setUnavailable(LibFunc::coshl);
+ TLI.setUnavailable(LibFunc::expl);
+ TLI.setUnavailable(LibFunc::fabsf); // Win32 and Win64 both lack fabsf
+ TLI.setUnavailable(LibFunc::fabsl);
+ TLI.setUnavailable(LibFunc::floorl);
+ TLI.setUnavailable(LibFunc::fmaxl);
+ TLI.setUnavailable(LibFunc::fminl);
+ TLI.setUnavailable(LibFunc::fmodl);
+ TLI.setUnavailable(LibFunc::frexpl);
+ TLI.setUnavailable(LibFunc::ldexpf);
+ TLI.setUnavailable(LibFunc::ldexpl);
+ TLI.setUnavailable(LibFunc::logl);
+ TLI.setUnavailable(LibFunc::modfl);
+ TLI.setUnavailable(LibFunc::powl);
+ TLI.setUnavailable(LibFunc::sinl);
+ TLI.setUnavailable(LibFunc::sinhl);
+ TLI.setUnavailable(LibFunc::sqrtl);
+ TLI.setUnavailable(LibFunc::tanl);
+ TLI.setUnavailable(LibFunc::tanhl);
+
+ // Win32 only has C89 math
+ TLI.setUnavailable(LibFunc::acosh);
+ TLI.setUnavailable(LibFunc::acoshf);
+ TLI.setUnavailable(LibFunc::acoshl);
+ TLI.setUnavailable(LibFunc::asinh);
+ TLI.setUnavailable(LibFunc::asinhf);
+ TLI.setUnavailable(LibFunc::asinhl);
+ TLI.setUnavailable(LibFunc::atanh);
+ TLI.setUnavailable(LibFunc::atanhf);
+ TLI.setUnavailable(LibFunc::atanhl);
+ TLI.setUnavailable(LibFunc::cbrt);
+ TLI.setUnavailable(LibFunc::cbrtf);
+ TLI.setUnavailable(LibFunc::cbrtl);
+ TLI.setUnavailable(LibFunc::exp2);
+ TLI.setUnavailable(LibFunc::exp2f);
+ TLI.setUnavailable(LibFunc::exp2l);
+ TLI.setUnavailable(LibFunc::expm1);
+ TLI.setUnavailable(LibFunc::expm1f);
+ TLI.setUnavailable(LibFunc::expm1l);
+ TLI.setUnavailable(LibFunc::log2);
+ TLI.setUnavailable(LibFunc::log2f);
+ TLI.setUnavailable(LibFunc::log2l);
+ TLI.setUnavailable(LibFunc::log1p);
+ TLI.setUnavailable(LibFunc::log1pf);
+ TLI.setUnavailable(LibFunc::log1pl);
+ TLI.setUnavailable(LibFunc::logb);
+ TLI.setUnavailable(LibFunc::logbf);
+ TLI.setUnavailable(LibFunc::logbl);
+ TLI.setUnavailable(LibFunc::nearbyint);
+ TLI.setUnavailable(LibFunc::nearbyintf);
+ TLI.setUnavailable(LibFunc::nearbyintl);
+ TLI.setUnavailable(LibFunc::rint);
+ TLI.setUnavailable(LibFunc::rintf);
+ TLI.setUnavailable(LibFunc::rintl);
+ TLI.setUnavailable(LibFunc::round);
+ TLI.setUnavailable(LibFunc::roundf);
+ TLI.setUnavailable(LibFunc::roundl);
+ TLI.setUnavailable(LibFunc::trunc);
+ TLI.setUnavailable(LibFunc::truncf);
+ TLI.setUnavailable(LibFunc::truncl);
+
+ // Win32 provides some C99 math with mangled names
+ TLI.setAvailableWithName(LibFunc::copysign, "_copysign");
+
+ if (T.getArch() == Triple::x86) {
+ // Win32 on x86 implements single-precision math functions as macros
+ TLI.setUnavailable(LibFunc::acosf);
+ TLI.setUnavailable(LibFunc::asinf);
+ TLI.setUnavailable(LibFunc::atanf);
+ TLI.setUnavailable(LibFunc::atan2f);
+ TLI.setUnavailable(LibFunc::ceilf);
+ TLI.setUnavailable(LibFunc::copysignf);
+ TLI.setUnavailable(LibFunc::cosf);
+ TLI.setUnavailable(LibFunc::coshf);
+ TLI.setUnavailable(LibFunc::expf);
+ TLI.setUnavailable(LibFunc::floorf);
+ TLI.setUnavailable(LibFunc::fminf);
+ TLI.setUnavailable(LibFunc::fmaxf);
+ TLI.setUnavailable(LibFunc::fmodf);
+ TLI.setUnavailable(LibFunc::logf);
+ TLI.setUnavailable(LibFunc::powf);
+ TLI.setUnavailable(LibFunc::sinf);
+ TLI.setUnavailable(LibFunc::sinhf);
+ TLI.setUnavailable(LibFunc::sqrtf);
+ TLI.setUnavailable(LibFunc::tanf);
+ TLI.setUnavailable(LibFunc::tanhf);
+ }
+
+ // Win32 does *not* provide provide these functions, but they are
+ // generally available on POSIX-compliant systems:
+ TLI.setUnavailable(LibFunc::access);
+ TLI.setUnavailable(LibFunc::bcmp);
+ TLI.setUnavailable(LibFunc::bcopy);
+ TLI.setUnavailable(LibFunc::bzero);
+ TLI.setUnavailable(LibFunc::chmod);
+ TLI.setUnavailable(LibFunc::chown);
+ TLI.setUnavailable(LibFunc::closedir);
+ TLI.setUnavailable(LibFunc::ctermid);
+ TLI.setUnavailable(LibFunc::fdopen);
+ TLI.setUnavailable(LibFunc::ffs);
+ TLI.setUnavailable(LibFunc::fileno);
+ TLI.setUnavailable(LibFunc::flockfile);
+ TLI.setUnavailable(LibFunc::fseeko);
+ TLI.setUnavailable(LibFunc::fstat);
+ TLI.setUnavailable(LibFunc::fstatvfs);
+ TLI.setUnavailable(LibFunc::ftello);
+ TLI.setUnavailable(LibFunc::ftrylockfile);
+ TLI.setUnavailable(LibFunc::funlockfile);
+ TLI.setUnavailable(LibFunc::getc_unlocked);
+ TLI.setUnavailable(LibFunc::getitimer);
+ TLI.setUnavailable(LibFunc::getlogin_r);
+ TLI.setUnavailable(LibFunc::getpwnam);
+ TLI.setUnavailable(LibFunc::gettimeofday);
+ TLI.setUnavailable(LibFunc::htonl);
+ TLI.setUnavailable(LibFunc::htons);
+ TLI.setUnavailable(LibFunc::lchown);
+ TLI.setUnavailable(LibFunc::lstat);
+ TLI.setUnavailable(LibFunc::memccpy);
+ TLI.setUnavailable(LibFunc::mkdir);
+ TLI.setUnavailable(LibFunc::ntohl);
+ TLI.setUnavailable(LibFunc::ntohs);
+ TLI.setUnavailable(LibFunc::open);
+ TLI.setUnavailable(LibFunc::opendir);
+ TLI.setUnavailable(LibFunc::pclose);
+ TLI.setUnavailable(LibFunc::popen);
+ TLI.setUnavailable(LibFunc::pread);
+ TLI.setUnavailable(LibFunc::pwrite);
+ TLI.setUnavailable(LibFunc::read);
+ TLI.setUnavailable(LibFunc::readlink);
+ TLI.setUnavailable(LibFunc::realpath);
+ TLI.setUnavailable(LibFunc::rmdir);
+ TLI.setUnavailable(LibFunc::setitimer);
+ TLI.setUnavailable(LibFunc::stat);
+ TLI.setUnavailable(LibFunc::statvfs);
+ TLI.setUnavailable(LibFunc::stpcpy);
+ TLI.setUnavailable(LibFunc::stpncpy);
+ TLI.setUnavailable(LibFunc::strcasecmp);
+ TLI.setUnavailable(LibFunc::strncasecmp);
+ TLI.setUnavailable(LibFunc::times);
+ TLI.setUnavailable(LibFunc::uname);
+ TLI.setUnavailable(LibFunc::unlink);
+ TLI.setUnavailable(LibFunc::unsetenv);
+ TLI.setUnavailable(LibFunc::utime);
+ TLI.setUnavailable(LibFunc::utimes);
+ TLI.setUnavailable(LibFunc::write);
+
+ // Win32 does *not* provide provide these functions, but they are
+ // specified by C99:
+ TLI.setUnavailable(LibFunc::atoll);
+ TLI.setUnavailable(LibFunc::frexpf);
+ TLI.setUnavailable(LibFunc::llabs);
+ }
+
+ switch (T.getOS()) {
+ case Triple::MacOSX:
+ // exp10 and exp10f are not available on OS X until 10.9 and iOS until 7.0
+ // and their names are __exp10 and __exp10f. exp10l is not available on
+ // OS X or iOS.
+ TLI.setUnavailable(LibFunc::exp10l);
+ if (T.isMacOSXVersionLT(10, 9)) {
+ TLI.setUnavailable(LibFunc::exp10);
+ TLI.setUnavailable(LibFunc::exp10f);
+ } else {
+ TLI.setAvailableWithName(LibFunc::exp10, "__exp10");
+ TLI.setAvailableWithName(LibFunc::exp10f, "__exp10f");
+ }
+ break;
+ case Triple::IOS:
+ TLI.setUnavailable(LibFunc::exp10l);
+ if (T.isOSVersionLT(7, 0)) {
+ TLI.setUnavailable(LibFunc::exp10);
+ TLI.setUnavailable(LibFunc::exp10f);
+ } else {
+ TLI.setAvailableWithName(LibFunc::exp10, "__exp10");
+ TLI.setAvailableWithName(LibFunc::exp10f, "__exp10f");
+ }
+ break;
+ case Triple::Linux:
+ // exp10, exp10f, exp10l is available on Linux (GLIBC) but are extremely
+ // buggy prior to glibc version 2.18. Until this version is widely deployed
+ // or we have a reasonable detection strategy, we cannot use exp10 reliably
+ // on Linux.
+ //
+ // Fall through to disable all of them.
+ default:
+ TLI.setUnavailable(LibFunc::exp10);
+ TLI.setUnavailable(LibFunc::exp10f);
+ TLI.setUnavailable(LibFunc::exp10l);
+ }
+
+ // ffsl is available on at least Darwin, Mac OS X, iOS, FreeBSD, and
+ // Linux (GLIBC):
+ // http://developer.apple.com/library/mac/#documentation/Darwin/Reference/ManPages/man3/ffsl.3.html
+ // http://svn.freebsd.org/base/user/eri/pf45/head/lib/libc/string/ffsl.c
+ // http://www.gnu.org/software/gnulib/manual/html_node/ffsl.html
+ switch (T.getOS()) {
+ case Triple::Darwin:
+ case Triple::MacOSX:
+ case Triple::IOS:
+ case Triple::FreeBSD:
+ case Triple::Linux:
+ break;
+ default:
+ TLI.setUnavailable(LibFunc::ffsl);
+ }
+
+ // ffsll is available on at least FreeBSD and Linux (GLIBC):
+ // http://svn.freebsd.org/base/user/eri/pf45/head/lib/libc/string/ffsll.c
+ // http://www.gnu.org/software/gnulib/manual/html_node/ffsll.html
+ switch (T.getOS()) {
+ case Triple::FreeBSD:
+ case Triple::Linux:
+ break;
+ default:
+ TLI.setUnavailable(LibFunc::ffsll);
+ }
+
+ // The following functions are available on at least Linux:
+ if (!T.isOSLinux()) {
+ TLI.setUnavailable(LibFunc::dunder_strdup);
+ TLI.setUnavailable(LibFunc::dunder_strtok_r);
+ TLI.setUnavailable(LibFunc::dunder_isoc99_scanf);
+ TLI.setUnavailable(LibFunc::dunder_isoc99_sscanf);
+ TLI.setUnavailable(LibFunc::under_IO_getc);
+ TLI.setUnavailable(LibFunc::under_IO_putc);
+ TLI.setUnavailable(LibFunc::memalign);
+ TLI.setUnavailable(LibFunc::fopen64);
+ TLI.setUnavailable(LibFunc::fseeko64);
+ TLI.setUnavailable(LibFunc::fstat64);
+ TLI.setUnavailable(LibFunc::fstatvfs64);
+ TLI.setUnavailable(LibFunc::ftello64);
+ TLI.setUnavailable(LibFunc::lstat64);
+ TLI.setUnavailable(LibFunc::open64);
+ TLI.setUnavailable(LibFunc::stat64);
+ TLI.setUnavailable(LibFunc::statvfs64);
+ TLI.setUnavailable(LibFunc::tmpfile64);
+ }
}
// Default to everything being available.
memset(AvailableArray, -1, sizeof(AvailableArray));
- initialize(*this, Triple());
+ initialize(*this, Triple(), StandardNames);
}
TargetLibraryInfo::TargetLibraryInfo(const Triple &T) : ImmutablePass(ID) {
// Default to everything being available.
memset(AvailableArray, -1, sizeof(AvailableArray));
- initialize(*this, T);
+ initialize(*this, T, StandardNames);
}
TargetLibraryInfo::TargetLibraryInfo(const TargetLibraryInfo &TLI)
CustomNames = TLI.CustomNames;
}
+namespace {
+struct StringComparator {
+ /// Compare two strings and return true if LHS is lexicographically less than
+ /// RHS. Requires that RHS doesn't contain any zero bytes.
+ bool operator()(const char *LHS, StringRef RHS) const {
+ // Compare prefixes with strncmp. If prefixes match we know that LHS is
+ // greater or equal to RHS as RHS can't contain any '\0'.
+ return std::strncmp(LHS, RHS.data(), RHS.size()) < 0;
+ }
+
+ // Provided for compatibility with MSVC's debug mode.
+ bool operator()(StringRef LHS, const char *RHS) const { return LHS < RHS; }
+ bool operator()(StringRef LHS, StringRef RHS) const { return LHS < RHS; }
+ bool operator()(const char *LHS, const char *RHS) const {
+ return std::strcmp(LHS, RHS) < 0;
+ }
+};
+}
+
+bool TargetLibraryInfo::getLibFunc(StringRef funcName,
+ LibFunc::Func &F) const {
+ const char **Start = &StandardNames[0];
+ const char **End = &StandardNames[LibFunc::NumLibFuncs];
+
+ // Filter out empty names and names containing null bytes, those can't be in
+ // our table.
+ if (funcName.empty() || funcName.find('\0') != StringRef::npos)
+ return false;
+
+ // Check for \01 prefix that is used to mangle __asm declarations and
+ // strip it if present.
+ if (funcName.front() == '\01')
+ funcName = funcName.substr(1);
+ const char **I = std::lower_bound(Start, End, funcName, StringComparator());
+ if (I != End && *I == funcName) {
+ F = (LibFunc::Func)(I - Start);
+ return true;
+ }
+ return false;
+}
/// disableAllFunctions - This disables all builtins, which is used for options
/// like -fno-builtin.
projects / oota-llvm.git / blobdiff