|  | //===-- TargetLibraryInfo.cpp - Runtime library information ----------------==// | 
|  | // | 
|  | //                     The LLVM Compiler Infrastructure | 
|  | // | 
|  | // This file is distributed under the University of Illinois Open Source | 
|  | // License. See LICENSE.TXT for details. | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  | // | 
|  | // This file implements the TargetLibraryInfo class. | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | #include "llvm/Analysis/TargetLibraryInfo.h" | 
|  | #include "llvm/ADT/Triple.h" | 
|  | #include "llvm/IR/Constants.h" | 
|  | #include "llvm/Support/CommandLine.h" | 
|  | using namespace llvm; | 
|  |  | 
|  | static cl::opt<TargetLibraryInfoImpl::VectorLibrary> ClVectorLibrary( | 
|  | "vector-library", cl::Hidden, cl::desc("Vector functions library"), | 
|  | cl::init(TargetLibraryInfoImpl::NoLibrary), | 
|  | cl::values(clEnumValN(TargetLibraryInfoImpl::NoLibrary, "none", | 
|  | "No vector functions library"), | 
|  | clEnumValN(TargetLibraryInfoImpl::Accelerate, "Accelerate", | 
|  | "Accelerate framework"), | 
|  | clEnumValN(TargetLibraryInfoImpl::SVML, "SVML", | 
|  | "Intel SVML library"))); | 
|  |  | 
|  | StringRef const TargetLibraryInfoImpl::StandardNames[LibFunc::NumLibFuncs] = { | 
|  | #define TLI_DEFINE_STRING | 
|  | #include "llvm/Analysis/TargetLibraryInfo.def" | 
|  | }; | 
|  |  | 
|  | static bool hasSinCosPiStret(const Triple &T) { | 
|  | // Only Darwin variants have _stret versions of combined trig functions. | 
|  | if (!T.isOSDarwin()) | 
|  | 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.isiOS() && T.isOSVersionLT(7, 0)) | 
|  | return false; | 
|  |  | 
|  | return true; | 
|  | } | 
|  |  | 
|  | /// 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(TargetLibraryInfoImpl &TLI, const Triple &T, | 
|  | ArrayRef<StringRef> StandardNames) { | 
|  | // Verify that the StandardNames array is in alphabetical order. | 
|  | assert(std::is_sorted(StandardNames.begin(), StandardNames.end(), | 
|  | [](StringRef LHS, StringRef RHS) { | 
|  | return LHS < RHS; | 
|  | }) && | 
|  | "TargetLibraryInfoImpl function names must be sorted"); | 
|  |  | 
|  | // Set IO unlocked variants as unavailable | 
|  | // Set them as available per system below | 
|  | TLI.setUnavailable(LibFunc_getchar_unlocked); | 
|  | TLI.setUnavailable(LibFunc_putc_unlocked); | 
|  | TLI.setUnavailable(LibFunc_putchar_unlocked); | 
|  | TLI.setUnavailable(LibFunc_fputc_unlocked); | 
|  | TLI.setUnavailable(LibFunc_fgetc_unlocked); | 
|  | TLI.setUnavailable(LibFunc_fread_unlocked); | 
|  | TLI.setUnavailable(LibFunc_fwrite_unlocked); | 
|  | TLI.setUnavailable(LibFunc_fputs_unlocked); | 
|  | TLI.setUnavailable(LibFunc_fgets_unlocked); | 
|  |  | 
|  | bool ShouldExtI32Param = false, ShouldExtI32Return = false, | 
|  | ShouldSignExtI32Param = false; | 
|  | // PowerPC64, Sparc64, SystemZ need signext/zeroext on i32 parameters and | 
|  | // returns corresponding to C-level ints and unsigned ints. | 
|  | if (T.getArch() == Triple::ppc64 || T.getArch() == Triple::ppc64le || | 
|  | T.getArch() == Triple::sparcv9 || T.getArch() == Triple::systemz) { | 
|  | ShouldExtI32Param = true; | 
|  | ShouldExtI32Return = true; | 
|  | } | 
|  | // Mips, on the other hand, needs signext on i32 parameters corresponding | 
|  | // to both signed and unsigned ints. | 
|  | if (T.isMIPS()) { | 
|  | ShouldSignExtI32Param = true; | 
|  | } | 
|  | TLI.setShouldExtI32Param(ShouldExtI32Param); | 
|  | TLI.setShouldExtI32Return(ShouldExtI32Return); | 
|  | TLI.setShouldSignExtI32Param(ShouldSignExtI32Param); | 
|  |  | 
|  | if (T.getArch() == Triple::r600 || | 
|  | T.getArch() == Triple::amdgcn) { | 
|  | TLI.setUnavailable(LibFunc_ldexp); | 
|  | TLI.setUnavailable(LibFunc_ldexpf); | 
|  | TLI.setUnavailable(LibFunc_ldexpl); | 
|  | TLI.setUnavailable(LibFunc_exp10); | 
|  | TLI.setUnavailable(LibFunc_exp10f); | 
|  | TLI.setUnavailable(LibFunc_exp10l); | 
|  | TLI.setUnavailable(LibFunc_log10); | 
|  | TLI.setUnavailable(LibFunc_log10f); | 
|  | TLI.setUnavailable(LibFunc_log10l); | 
|  | } | 
|  |  | 
|  | // There are no library implementations of mempcy and memset for AMD gpus and | 
|  | // these can be difficult to lower in the backend. | 
|  | if (T.getArch() == Triple::r600 || | 
|  | T.getArch() == Triple::amdgcn) { | 
|  | 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. | 
|  | // All versions of watchOS support it. | 
|  | if (T.isMacOSX()) { | 
|  | // available IO unlocked variants on Mac OS X | 
|  | TLI.setAvailable(LibFunc_getc_unlocked); | 
|  | TLI.setAvailable(LibFunc_getchar_unlocked); | 
|  | TLI.setAvailable(LibFunc_putc_unlocked); | 
|  | TLI.setAvailable(LibFunc_putchar_unlocked); | 
|  |  | 
|  | if (T.isMacOSXVersionLT(10, 5)) | 
|  | TLI.setUnavailable(LibFunc_memset_pattern16); | 
|  | } else if (T.isiOS()) { | 
|  | if (T.isOSVersionLT(3, 0)) | 
|  | TLI.setUnavailable(LibFunc_memset_pattern16); | 
|  | } else if (!T.isWatchOS()) { | 
|  | 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 | 
|  | // we don't care about) have two versions; on recent OSX, the one we want | 
|  | // has a $UNIX2003 suffix. The two implementations are identical except | 
|  | // for the return value in some edge cases.  However, we don't want to | 
|  | // generate code that depends on the old symbols. | 
|  | TLI.setAvailableWithName(LibFunc_fwrite, "fwrite$UNIX2003"); | 
|  | TLI.setAvailableWithName(LibFunc_fputs, "fputs$UNIX2003"); | 
|  | } | 
|  |  | 
|  | // iprintf and friends are only available on XCore and TCE. | 
|  | if (T.getArch() != Triple::xcore && T.getArch() != Triple::tce) { | 
|  | TLI.setUnavailable(LibFunc_iprintf); | 
|  | TLI.setUnavailable(LibFunc_siprintf); | 
|  | TLI.setUnavailable(LibFunc_fiprintf); | 
|  | } | 
|  |  | 
|  | if (T.isOSWindows() && !T.isOSCygMing()) { | 
|  | // 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_cabs); | 
|  | TLI.setUnavailable(LibFunc_cabsf); | 
|  | TLI.setUnavailable(LibFunc_cabsl); | 
|  | 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_log10f); | 
|  | TLI.setUnavailable(LibFunc_modff); | 
|  | 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 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_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: | 
|  | case Triple::TvOS: | 
|  | case Triple::WatchOS: | 
|  | TLI.setUnavailable(LibFunc_exp10l); | 
|  | if (!T.isWatchOS() && (T.isOSVersionLT(7, 0) || | 
|  | (T.isOSVersionLT(9, 0) && | 
|  | (T.getArch() == Triple::x86 || | 
|  | T.getArch() == Triple::x86_64)))) { | 
|  | 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. | 
|  | LLVM_FALLTHROUGH; | 
|  | 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/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::TvOS: | 
|  | case Triple::WatchOS: | 
|  | 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/head/lib/libc/string/ffsll.c | 
|  | // http://www.gnu.org/software/gnulib/manual/html_node/ffsll.html | 
|  | switch (T.getOS()) { | 
|  | case Triple::Darwin: | 
|  | case Triple::MacOSX: | 
|  | case Triple::IOS: | 
|  | case Triple::TvOS: | 
|  | case Triple::WatchOS: | 
|  | case Triple::FreeBSD: | 
|  | case Triple::Linux: | 
|  | break; | 
|  | default: | 
|  | TLI.setUnavailable(LibFunc_ffsll); | 
|  | } | 
|  |  | 
|  | // The following functions are available on at least FreeBSD: | 
|  | // http://svn.freebsd.org/base/head/lib/libc/string/fls.c | 
|  | // http://svn.freebsd.org/base/head/lib/libc/string/flsl.c | 
|  | // http://svn.freebsd.org/base/head/lib/libc/string/flsll.c | 
|  | if (!T.isOSFreeBSD()) { | 
|  | TLI.setUnavailable(LibFunc_fls); | 
|  | TLI.setUnavailable(LibFunc_flsl); | 
|  | TLI.setUnavailable(LibFunc_flsll); | 
|  | } | 
|  |  | 
|  | // The following functions are available on Linux, | 
|  | // but Android uses bionic instead of glibc. | 
|  | if (!T.isOSLinux() || T.isAndroid()) { | 
|  | 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); | 
|  | // But, Android has memalign. | 
|  | if (!T.isAndroid()) | 
|  | 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); | 
|  |  | 
|  | // Relaxed math functions are included in math-finite.h on Linux (GLIBC). | 
|  | TLI.setUnavailable(LibFunc_acos_finite); | 
|  | TLI.setUnavailable(LibFunc_acosf_finite); | 
|  | TLI.setUnavailable(LibFunc_acosl_finite); | 
|  | TLI.setUnavailable(LibFunc_acosh_finite); | 
|  | TLI.setUnavailable(LibFunc_acoshf_finite); | 
|  | TLI.setUnavailable(LibFunc_acoshl_finite); | 
|  | TLI.setUnavailable(LibFunc_asin_finite); | 
|  | TLI.setUnavailable(LibFunc_asinf_finite); | 
|  | TLI.setUnavailable(LibFunc_asinl_finite); | 
|  | TLI.setUnavailable(LibFunc_atan2_finite); | 
|  | TLI.setUnavailable(LibFunc_atan2f_finite); | 
|  | TLI.setUnavailable(LibFunc_atan2l_finite); | 
|  | TLI.setUnavailable(LibFunc_atanh_finite); | 
|  | TLI.setUnavailable(LibFunc_atanhf_finite); | 
|  | TLI.setUnavailable(LibFunc_atanhl_finite); | 
|  | TLI.setUnavailable(LibFunc_cosh_finite); | 
|  | TLI.setUnavailable(LibFunc_coshf_finite); | 
|  | TLI.setUnavailable(LibFunc_coshl_finite); | 
|  | TLI.setUnavailable(LibFunc_exp10_finite); | 
|  | TLI.setUnavailable(LibFunc_exp10f_finite); | 
|  | TLI.setUnavailable(LibFunc_exp10l_finite); | 
|  | TLI.setUnavailable(LibFunc_exp2_finite); | 
|  | TLI.setUnavailable(LibFunc_exp2f_finite); | 
|  | TLI.setUnavailable(LibFunc_exp2l_finite); | 
|  | TLI.setUnavailable(LibFunc_exp_finite); | 
|  | TLI.setUnavailable(LibFunc_expf_finite); | 
|  | TLI.setUnavailable(LibFunc_expl_finite); | 
|  | TLI.setUnavailable(LibFunc_log10_finite); | 
|  | TLI.setUnavailable(LibFunc_log10f_finite); | 
|  | TLI.setUnavailable(LibFunc_log10l_finite); | 
|  | TLI.setUnavailable(LibFunc_log2_finite); | 
|  | TLI.setUnavailable(LibFunc_log2f_finite); | 
|  | TLI.setUnavailable(LibFunc_log2l_finite); | 
|  | TLI.setUnavailable(LibFunc_log_finite); | 
|  | TLI.setUnavailable(LibFunc_logf_finite); | 
|  | TLI.setUnavailable(LibFunc_logl_finite); | 
|  | TLI.setUnavailable(LibFunc_pow_finite); | 
|  | TLI.setUnavailable(LibFunc_powf_finite); | 
|  | TLI.setUnavailable(LibFunc_powl_finite); | 
|  | TLI.setUnavailable(LibFunc_sinh_finite); | 
|  | TLI.setUnavailable(LibFunc_sinhf_finite); | 
|  | TLI.setUnavailable(LibFunc_sinhl_finite); | 
|  | } | 
|  |  | 
|  | if ((T.isOSLinux() && T.isGNUEnvironment()) || | 
|  | (T.isAndroid() && !T.isAndroidVersionLT(28))) { | 
|  | // available IO unlocked variants on GNU/Linux and Android P or later | 
|  | TLI.setAvailable(LibFunc_getc_unlocked); | 
|  | TLI.setAvailable(LibFunc_getchar_unlocked); | 
|  | TLI.setAvailable(LibFunc_putc_unlocked); | 
|  | TLI.setAvailable(LibFunc_putchar_unlocked); | 
|  | TLI.setAvailable(LibFunc_fputc_unlocked); | 
|  | TLI.setAvailable(LibFunc_fgetc_unlocked); | 
|  | TLI.setAvailable(LibFunc_fread_unlocked); | 
|  | TLI.setAvailable(LibFunc_fwrite_unlocked); | 
|  | TLI.setAvailable(LibFunc_fputs_unlocked); | 
|  | TLI.setAvailable(LibFunc_fgets_unlocked); | 
|  | } | 
|  |  | 
|  | // As currently implemented in clang, NVPTX code has no standard library to | 
|  | // speak of.  Headers provide a standard-ish library implementation, but many | 
|  | // of the signatures are wrong -- for example, many libm functions are not | 
|  | // extern "C". | 
|  | // | 
|  | // libdevice, an IR library provided by nvidia, is linked in by the front-end, | 
|  | // but only used functions are provided to llvm.  Moreover, most of the | 
|  | // functions in libdevice don't map precisely to standard library functions. | 
|  | // | 
|  | // FIXME: Having no standard library prevents e.g. many fastmath | 
|  | // optimizations, so this situation should be fixed. | 
|  | if (T.isNVPTX()) { | 
|  | TLI.disableAllFunctions(); | 
|  | TLI.setAvailable(LibFunc_nvvm_reflect); | 
|  | } else { | 
|  | TLI.setUnavailable(LibFunc_nvvm_reflect); | 
|  | } | 
|  |  | 
|  | TLI.addVectorizableFunctionsFromVecLib(ClVectorLibrary); | 
|  | } | 
|  |  | 
|  | TargetLibraryInfoImpl::TargetLibraryInfoImpl() { | 
|  | // Default to everything being available. | 
|  | memset(AvailableArray, -1, sizeof(AvailableArray)); | 
|  |  | 
|  | initialize(*this, Triple(), StandardNames); | 
|  | } | 
|  |  | 
|  | TargetLibraryInfoImpl::TargetLibraryInfoImpl(const Triple &T) { | 
|  | // Default to everything being available. | 
|  | memset(AvailableArray, -1, sizeof(AvailableArray)); | 
|  |  | 
|  | initialize(*this, T, StandardNames); | 
|  | } | 
|  |  | 
|  | TargetLibraryInfoImpl::TargetLibraryInfoImpl(const TargetLibraryInfoImpl &TLI) | 
|  | : CustomNames(TLI.CustomNames), ShouldExtI32Param(TLI.ShouldExtI32Param), | 
|  | ShouldExtI32Return(TLI.ShouldExtI32Return), | 
|  | ShouldSignExtI32Param(TLI.ShouldSignExtI32Param) { | 
|  | memcpy(AvailableArray, TLI.AvailableArray, sizeof(AvailableArray)); | 
|  | VectorDescs = TLI.VectorDescs; | 
|  | ScalarDescs = TLI.ScalarDescs; | 
|  | } | 
|  |  | 
|  | TargetLibraryInfoImpl::TargetLibraryInfoImpl(TargetLibraryInfoImpl &&TLI) | 
|  | : CustomNames(std::move(TLI.CustomNames)), | 
|  | ShouldExtI32Param(TLI.ShouldExtI32Param), | 
|  | ShouldExtI32Return(TLI.ShouldExtI32Return), | 
|  | ShouldSignExtI32Param(TLI.ShouldSignExtI32Param) { | 
|  | std::move(std::begin(TLI.AvailableArray), std::end(TLI.AvailableArray), | 
|  | AvailableArray); | 
|  | VectorDescs = TLI.VectorDescs; | 
|  | ScalarDescs = TLI.ScalarDescs; | 
|  | } | 
|  |  | 
|  | TargetLibraryInfoImpl &TargetLibraryInfoImpl::operator=(const TargetLibraryInfoImpl &TLI) { | 
|  | CustomNames = TLI.CustomNames; | 
|  | ShouldExtI32Param = TLI.ShouldExtI32Param; | 
|  | ShouldExtI32Return = TLI.ShouldExtI32Return; | 
|  | ShouldSignExtI32Param = TLI.ShouldSignExtI32Param; | 
|  | memcpy(AvailableArray, TLI.AvailableArray, sizeof(AvailableArray)); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | TargetLibraryInfoImpl &TargetLibraryInfoImpl::operator=(TargetLibraryInfoImpl &&TLI) { | 
|  | CustomNames = std::move(TLI.CustomNames); | 
|  | ShouldExtI32Param = TLI.ShouldExtI32Param; | 
|  | ShouldExtI32Return = TLI.ShouldExtI32Return; | 
|  | ShouldSignExtI32Param = TLI.ShouldSignExtI32Param; | 
|  | std::move(std::begin(TLI.AvailableArray), std::end(TLI.AvailableArray), | 
|  | AvailableArray); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | static StringRef sanitizeFunctionName(StringRef funcName) { | 
|  | // 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 StringRef(); | 
|  |  | 
|  | // Check for \01 prefix that is used to mangle __asm declarations and | 
|  | // strip it if present. | 
|  | return GlobalValue::dropLLVMManglingEscape(funcName); | 
|  | } | 
|  |  | 
|  | bool TargetLibraryInfoImpl::getLibFunc(StringRef funcName, | 
|  | LibFunc &F) const { | 
|  | StringRef const *Start = &StandardNames[0]; | 
|  | StringRef const *End = &StandardNames[NumLibFuncs]; | 
|  |  | 
|  | funcName = sanitizeFunctionName(funcName); | 
|  | if (funcName.empty()) | 
|  | return false; | 
|  |  | 
|  | StringRef const *I = std::lower_bound( | 
|  | Start, End, funcName, [](StringRef LHS, StringRef RHS) { | 
|  | return LHS < RHS; | 
|  | }); | 
|  | if (I != End && *I == funcName) { | 
|  | F = (LibFunc)(I - Start); | 
|  | return true; | 
|  | } | 
|  | return false; | 
|  | } | 
|  |  | 
|  | bool TargetLibraryInfoImpl::isValidProtoForLibFunc(const FunctionType &FTy, | 
|  | LibFunc F, | 
|  | const DataLayout *DL) const { | 
|  | LLVMContext &Ctx = FTy.getContext(); | 
|  | Type *PCharTy = Type::getInt8PtrTy(Ctx); | 
|  | Type *SizeTTy = DL ? DL->getIntPtrType(Ctx, /*AS=*/0) : nullptr; | 
|  | auto IsSizeTTy = [SizeTTy](Type *Ty) { | 
|  | return SizeTTy ? Ty == SizeTTy : Ty->isIntegerTy(); | 
|  | }; | 
|  | unsigned NumParams = FTy.getNumParams(); | 
|  |  | 
|  | switch (F) { | 
|  | case LibFunc_strlen: | 
|  | return (NumParams == 1 && FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getReturnType()->isIntegerTy()); | 
|  |  | 
|  | case LibFunc_strchr: | 
|  | case LibFunc_strrchr: | 
|  | return (NumParams == 2 && FTy.getReturnType()->isPointerTy() && | 
|  | FTy.getParamType(0) == FTy.getReturnType() && | 
|  | FTy.getParamType(1)->isIntegerTy()); | 
|  |  | 
|  | case LibFunc_strtol: | 
|  | case LibFunc_strtod: | 
|  | case LibFunc_strtof: | 
|  | case LibFunc_strtoul: | 
|  | case LibFunc_strtoll: | 
|  | case LibFunc_strtold: | 
|  | case LibFunc_strtoull: | 
|  | return ((NumParams == 2 || NumParams == 3) && | 
|  | FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(1)->isPointerTy()); | 
|  | case LibFunc_strcat: | 
|  | return (NumParams == 2 && FTy.getReturnType()->isPointerTy() && | 
|  | FTy.getParamType(0) == FTy.getReturnType() && | 
|  | FTy.getParamType(1) == FTy.getReturnType()); | 
|  |  | 
|  | case LibFunc_strncat: | 
|  | return (NumParams == 3 && FTy.getReturnType()->isPointerTy() && | 
|  | FTy.getParamType(0) == FTy.getReturnType() && | 
|  | FTy.getParamType(1) == FTy.getReturnType() && | 
|  | IsSizeTTy(FTy.getParamType(2))); | 
|  |  | 
|  | case LibFunc_strcpy_chk: | 
|  | case LibFunc_stpcpy_chk: | 
|  | --NumParams; | 
|  | if (!IsSizeTTy(FTy.getParamType(NumParams))) | 
|  | return false; | 
|  | LLVM_FALLTHROUGH; | 
|  | case LibFunc_strcpy: | 
|  | case LibFunc_stpcpy: | 
|  | return (NumParams == 2 && FTy.getReturnType() == FTy.getParamType(0) && | 
|  | FTy.getParamType(0) == FTy.getParamType(1) && | 
|  | FTy.getParamType(0) == PCharTy); | 
|  |  | 
|  | case LibFunc_strncpy_chk: | 
|  | case LibFunc_stpncpy_chk: | 
|  | --NumParams; | 
|  | if (!IsSizeTTy(FTy.getParamType(NumParams))) | 
|  | return false; | 
|  | LLVM_FALLTHROUGH; | 
|  | case LibFunc_strncpy: | 
|  | case LibFunc_stpncpy: | 
|  | return (NumParams == 3 && FTy.getReturnType() == FTy.getParamType(0) && | 
|  | FTy.getParamType(0) == FTy.getParamType(1) && | 
|  | FTy.getParamType(0) == PCharTy && | 
|  | IsSizeTTy(FTy.getParamType(2))); | 
|  |  | 
|  | case LibFunc_strxfrm: | 
|  | return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(1)->isPointerTy()); | 
|  |  | 
|  | case LibFunc_strcmp: | 
|  | return (NumParams == 2 && FTy.getReturnType()->isIntegerTy(32) && | 
|  | FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(0) == FTy.getParamType(1)); | 
|  |  | 
|  | case LibFunc_strncmp: | 
|  | return (NumParams == 3 && FTy.getReturnType()->isIntegerTy(32) && | 
|  | FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(0) == FTy.getParamType(1) && | 
|  | IsSizeTTy(FTy.getParamType(2))); | 
|  |  | 
|  | case LibFunc_strspn: | 
|  | case LibFunc_strcspn: | 
|  | return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(0) == FTy.getParamType(1) && | 
|  | FTy.getReturnType()->isIntegerTy()); | 
|  |  | 
|  | case LibFunc_strcoll: | 
|  | case LibFunc_strcasecmp: | 
|  | case LibFunc_strncasecmp: | 
|  | return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(1)->isPointerTy()); | 
|  |  | 
|  | case LibFunc_strstr: | 
|  | return (NumParams == 2 && FTy.getReturnType()->isPointerTy() && | 
|  | FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(1)->isPointerTy()); | 
|  |  | 
|  | case LibFunc_strpbrk: | 
|  | return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getReturnType() == FTy.getParamType(0) && | 
|  | FTy.getParamType(0) == FTy.getParamType(1)); | 
|  |  | 
|  | case LibFunc_strtok: | 
|  | case LibFunc_strtok_r: | 
|  | return (NumParams >= 2 && FTy.getParamType(1)->isPointerTy()); | 
|  | case LibFunc_scanf: | 
|  | case LibFunc_setbuf: | 
|  | case LibFunc_setvbuf: | 
|  | return (NumParams >= 1 && FTy.getParamType(0)->isPointerTy()); | 
|  | case LibFunc_strdup: | 
|  | case LibFunc_strndup: | 
|  | return (NumParams >= 1 && FTy.getReturnType()->isPointerTy() && | 
|  | FTy.getParamType(0)->isPointerTy()); | 
|  | case LibFunc_sscanf: | 
|  | case LibFunc_stat: | 
|  | case LibFunc_statvfs: | 
|  | case LibFunc_siprintf: | 
|  | case LibFunc_sprintf: | 
|  | return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(1)->isPointerTy() && | 
|  | FTy.getReturnType()->isIntegerTy(32)); | 
|  | case LibFunc_snprintf: | 
|  | return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(2)->isPointerTy() && | 
|  | FTy.getReturnType()->isIntegerTy(32)); | 
|  | case LibFunc_setitimer: | 
|  | return (NumParams == 3 && FTy.getParamType(1)->isPointerTy() && | 
|  | FTy.getParamType(2)->isPointerTy()); | 
|  | case LibFunc_system: | 
|  | return (NumParams == 1 && FTy.getParamType(0)->isPointerTy()); | 
|  | case LibFunc_malloc: | 
|  | return (NumParams == 1 && FTy.getReturnType()->isPointerTy()); | 
|  | case LibFunc_memcmp: | 
|  | return (NumParams == 3 && FTy.getReturnType()->isIntegerTy(32) && | 
|  | FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(1)->isPointerTy()); | 
|  |  | 
|  | case LibFunc_memchr: | 
|  | case LibFunc_memrchr: | 
|  | return (NumParams == 3 && FTy.getReturnType()->isPointerTy() && | 
|  | FTy.getReturnType() == FTy.getParamType(0) && | 
|  | FTy.getParamType(1)->isIntegerTy(32) && | 
|  | IsSizeTTy(FTy.getParamType(2))); | 
|  | case LibFunc_modf: | 
|  | case LibFunc_modff: | 
|  | case LibFunc_modfl: | 
|  | return (NumParams >= 2 && FTy.getParamType(1)->isPointerTy()); | 
|  |  | 
|  | case LibFunc_memcpy_chk: | 
|  | case LibFunc_memmove_chk: | 
|  | --NumParams; | 
|  | if (!IsSizeTTy(FTy.getParamType(NumParams))) | 
|  | return false; | 
|  | LLVM_FALLTHROUGH; | 
|  | case LibFunc_memcpy: | 
|  | case LibFunc_mempcpy: | 
|  | case LibFunc_memmove: | 
|  | return (NumParams == 3 && FTy.getReturnType() == FTy.getParamType(0) && | 
|  | FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(1)->isPointerTy() && | 
|  | IsSizeTTy(FTy.getParamType(2))); | 
|  |  | 
|  | case LibFunc_memset_chk: | 
|  | --NumParams; | 
|  | if (!IsSizeTTy(FTy.getParamType(NumParams))) | 
|  | return false; | 
|  | LLVM_FALLTHROUGH; | 
|  | case LibFunc_memset: | 
|  | return (NumParams == 3 && FTy.getReturnType() == FTy.getParamType(0) && | 
|  | FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(1)->isIntegerTy() && | 
|  | IsSizeTTy(FTy.getParamType(2))); | 
|  |  | 
|  | case LibFunc_memccpy: | 
|  | return (NumParams >= 2 && FTy.getParamType(1)->isPointerTy()); | 
|  | case LibFunc_memalign: | 
|  | return (FTy.getReturnType()->isPointerTy()); | 
|  | case LibFunc_realloc: | 
|  | case LibFunc_reallocf: | 
|  | return (NumParams == 2 && FTy.getReturnType() == PCharTy && | 
|  | FTy.getParamType(0) == FTy.getReturnType() && | 
|  | IsSizeTTy(FTy.getParamType(1))); | 
|  | case LibFunc_read: | 
|  | return (NumParams == 3 && FTy.getParamType(1)->isPointerTy()); | 
|  | case LibFunc_rewind: | 
|  | case LibFunc_rmdir: | 
|  | case LibFunc_remove: | 
|  | case LibFunc_realpath: | 
|  | return (NumParams >= 1 && FTy.getParamType(0)->isPointerTy()); | 
|  | case LibFunc_rename: | 
|  | return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(1)->isPointerTy()); | 
|  | case LibFunc_readlink: | 
|  | return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(1)->isPointerTy()); | 
|  | case LibFunc_write: | 
|  | return (NumParams == 3 && FTy.getParamType(1)->isPointerTy()); | 
|  | case LibFunc_bcopy: | 
|  | case LibFunc_bcmp: | 
|  | return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(1)->isPointerTy()); | 
|  | case LibFunc_bzero: | 
|  | return (NumParams == 2 && FTy.getParamType(0)->isPointerTy()); | 
|  | case LibFunc_calloc: | 
|  | return (NumParams == 2 && FTy.getReturnType()->isPointerTy()); | 
|  |  | 
|  | case LibFunc_atof: | 
|  | case LibFunc_atoi: | 
|  | case LibFunc_atol: | 
|  | case LibFunc_atoll: | 
|  | case LibFunc_ferror: | 
|  | case LibFunc_getenv: | 
|  | case LibFunc_getpwnam: | 
|  | case LibFunc_iprintf: | 
|  | case LibFunc_pclose: | 
|  | case LibFunc_perror: | 
|  | case LibFunc_printf: | 
|  | case LibFunc_puts: | 
|  | case LibFunc_uname: | 
|  | case LibFunc_under_IO_getc: | 
|  | case LibFunc_unlink: | 
|  | case LibFunc_unsetenv: | 
|  | return (NumParams == 1 && FTy.getParamType(0)->isPointerTy()); | 
|  |  | 
|  | case LibFunc_access: | 
|  | case LibFunc_chmod: | 
|  | case LibFunc_chown: | 
|  | case LibFunc_clearerr: | 
|  | case LibFunc_closedir: | 
|  | case LibFunc_ctermid: | 
|  | case LibFunc_fclose: | 
|  | case LibFunc_feof: | 
|  | case LibFunc_fflush: | 
|  | case LibFunc_fgetc: | 
|  | case LibFunc_fgetc_unlocked: | 
|  | case LibFunc_fileno: | 
|  | case LibFunc_flockfile: | 
|  | case LibFunc_free: | 
|  | case LibFunc_fseek: | 
|  | case LibFunc_fseeko64: | 
|  | case LibFunc_fseeko: | 
|  | case LibFunc_fsetpos: | 
|  | case LibFunc_ftell: | 
|  | case LibFunc_ftello64: | 
|  | case LibFunc_ftello: | 
|  | case LibFunc_ftrylockfile: | 
|  | case LibFunc_funlockfile: | 
|  | case LibFunc_getc: | 
|  | case LibFunc_getc_unlocked: | 
|  | case LibFunc_getlogin_r: | 
|  | case LibFunc_mkdir: | 
|  | case LibFunc_mktime: | 
|  | case LibFunc_times: | 
|  | return (NumParams != 0 && FTy.getParamType(0)->isPointerTy()); | 
|  |  | 
|  | case LibFunc_fopen: | 
|  | return (NumParams == 2 && FTy.getReturnType()->isPointerTy() && | 
|  | FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(1)->isPointerTy()); | 
|  | case LibFunc_fdopen: | 
|  | return (NumParams == 2 && FTy.getReturnType()->isPointerTy() && | 
|  | FTy.getParamType(1)->isPointerTy()); | 
|  | case LibFunc_fputc: | 
|  | case LibFunc_fputc_unlocked: | 
|  | case LibFunc_fstat: | 
|  | case LibFunc_frexp: | 
|  | case LibFunc_frexpf: | 
|  | case LibFunc_frexpl: | 
|  | case LibFunc_fstatvfs: | 
|  | return (NumParams == 2 && FTy.getParamType(1)->isPointerTy()); | 
|  | case LibFunc_fgets: | 
|  | case LibFunc_fgets_unlocked: | 
|  | return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(2)->isPointerTy()); | 
|  | case LibFunc_fread: | 
|  | case LibFunc_fread_unlocked: | 
|  | return (NumParams == 4 && FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(3)->isPointerTy()); | 
|  | case LibFunc_fwrite: | 
|  | case LibFunc_fwrite_unlocked: | 
|  | return (NumParams == 4 && FTy.getReturnType()->isIntegerTy() && | 
|  | FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(1)->isIntegerTy() && | 
|  | FTy.getParamType(2)->isIntegerTy() && | 
|  | FTy.getParamType(3)->isPointerTy()); | 
|  | case LibFunc_fputs: | 
|  | case LibFunc_fputs_unlocked: | 
|  | return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(1)->isPointerTy()); | 
|  | case LibFunc_fscanf: | 
|  | case LibFunc_fiprintf: | 
|  | case LibFunc_fprintf: | 
|  | return (NumParams >= 2 && FTy.getReturnType()->isIntegerTy() && | 
|  | FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(1)->isPointerTy()); | 
|  | case LibFunc_fgetpos: | 
|  | return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(1)->isPointerTy()); | 
|  | case LibFunc_getchar: | 
|  | case LibFunc_getchar_unlocked: | 
|  | return (NumParams == 0 && FTy.getReturnType()->isIntegerTy()); | 
|  | case LibFunc_gets: | 
|  | return (NumParams == 1 && FTy.getParamType(0) == PCharTy); | 
|  | case LibFunc_getitimer: | 
|  | return (NumParams == 2 && FTy.getParamType(1)->isPointerTy()); | 
|  | case LibFunc_ungetc: | 
|  | return (NumParams == 2 && FTy.getParamType(1)->isPointerTy()); | 
|  | case LibFunc_utime: | 
|  | case LibFunc_utimes: | 
|  | return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(1)->isPointerTy()); | 
|  | case LibFunc_putc: | 
|  | case LibFunc_putc_unlocked: | 
|  | return (NumParams == 2 && FTy.getParamType(1)->isPointerTy()); | 
|  | case LibFunc_pread: | 
|  | case LibFunc_pwrite: | 
|  | return (NumParams == 4 && FTy.getParamType(1)->isPointerTy()); | 
|  | case LibFunc_popen: | 
|  | return (NumParams == 2 && FTy.getReturnType()->isPointerTy() && | 
|  | FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(1)->isPointerTy()); | 
|  | case LibFunc_vscanf: | 
|  | return (NumParams == 2 && FTy.getParamType(1)->isPointerTy()); | 
|  | case LibFunc_vsscanf: | 
|  | return (NumParams == 3 && FTy.getParamType(1)->isPointerTy() && | 
|  | FTy.getParamType(2)->isPointerTy()); | 
|  | case LibFunc_vfscanf: | 
|  | return (NumParams == 3 && FTy.getParamType(1)->isPointerTy() && | 
|  | FTy.getParamType(2)->isPointerTy()); | 
|  | case LibFunc_valloc: | 
|  | return (FTy.getReturnType()->isPointerTy()); | 
|  | case LibFunc_vprintf: | 
|  | return (NumParams == 2 && FTy.getParamType(0)->isPointerTy()); | 
|  | case LibFunc_vfprintf: | 
|  | case LibFunc_vsprintf: | 
|  | return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(1)->isPointerTy()); | 
|  | case LibFunc_vsnprintf: | 
|  | return (NumParams == 4 && FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(2)->isPointerTy()); | 
|  | case LibFunc_open: | 
|  | return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy()); | 
|  | case LibFunc_opendir: | 
|  | return (NumParams == 1 && FTy.getReturnType()->isPointerTy() && | 
|  | FTy.getParamType(0)->isPointerTy()); | 
|  | case LibFunc_tmpfile: | 
|  | return (FTy.getReturnType()->isPointerTy()); | 
|  | case LibFunc_htonl: | 
|  | case LibFunc_ntohl: | 
|  | return (NumParams == 1 && FTy.getReturnType()->isIntegerTy(32) && | 
|  | FTy.getReturnType() == FTy.getParamType(0)); | 
|  | case LibFunc_htons: | 
|  | case LibFunc_ntohs: | 
|  | return (NumParams == 1 && FTy.getReturnType()->isIntegerTy(16) && | 
|  | FTy.getReturnType() == FTy.getParamType(0)); | 
|  | case LibFunc_lstat: | 
|  | return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(1)->isPointerTy()); | 
|  | case LibFunc_lchown: | 
|  | return (NumParams == 3 && FTy.getParamType(0)->isPointerTy()); | 
|  | case LibFunc_qsort: | 
|  | return (NumParams == 4 && FTy.getParamType(3)->isPointerTy()); | 
|  | case LibFunc_dunder_strdup: | 
|  | case LibFunc_dunder_strndup: | 
|  | return (NumParams >= 1 && FTy.getReturnType()->isPointerTy() && | 
|  | FTy.getParamType(0)->isPointerTy()); | 
|  | case LibFunc_dunder_strtok_r: | 
|  | return (NumParams == 3 && FTy.getParamType(1)->isPointerTy()); | 
|  | case LibFunc_under_IO_putc: | 
|  | return (NumParams == 2 && FTy.getParamType(1)->isPointerTy()); | 
|  | case LibFunc_dunder_isoc99_scanf: | 
|  | return (NumParams >= 1 && FTy.getParamType(0)->isPointerTy()); | 
|  | case LibFunc_stat64: | 
|  | case LibFunc_lstat64: | 
|  | case LibFunc_statvfs64: | 
|  | return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(1)->isPointerTy()); | 
|  | case LibFunc_dunder_isoc99_sscanf: | 
|  | return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(1)->isPointerTy()); | 
|  | case LibFunc_fopen64: | 
|  | return (NumParams == 2 && FTy.getReturnType()->isPointerTy() && | 
|  | FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(1)->isPointerTy()); | 
|  | case LibFunc_tmpfile64: | 
|  | return (FTy.getReturnType()->isPointerTy()); | 
|  | case LibFunc_fstat64: | 
|  | case LibFunc_fstatvfs64: | 
|  | return (NumParams == 2 && FTy.getParamType(1)->isPointerTy()); | 
|  | case LibFunc_open64: | 
|  | return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy()); | 
|  | case LibFunc_gettimeofday: | 
|  | return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(1)->isPointerTy()); | 
|  |  | 
|  | // new(unsigned int); | 
|  | case LibFunc_Znwj: | 
|  | // new(unsigned long); | 
|  | case LibFunc_Znwm: | 
|  | // new[](unsigned int); | 
|  | case LibFunc_Znaj: | 
|  | // new[](unsigned long); | 
|  | case LibFunc_Znam: | 
|  | // new(unsigned int); | 
|  | case LibFunc_msvc_new_int: | 
|  | // new(unsigned long long); | 
|  | case LibFunc_msvc_new_longlong: | 
|  | // new[](unsigned int); | 
|  | case LibFunc_msvc_new_array_int: | 
|  | // new[](unsigned long long); | 
|  | case LibFunc_msvc_new_array_longlong: | 
|  | return (NumParams == 1 && FTy.getReturnType()->isPointerTy()); | 
|  |  | 
|  | // new(unsigned int, nothrow); | 
|  | case LibFunc_ZnwjRKSt9nothrow_t: | 
|  | // new(unsigned long, nothrow); | 
|  | case LibFunc_ZnwmRKSt9nothrow_t: | 
|  | // new[](unsigned int, nothrow); | 
|  | case LibFunc_ZnajRKSt9nothrow_t: | 
|  | // new[](unsigned long, nothrow); | 
|  | case LibFunc_ZnamRKSt9nothrow_t: | 
|  | // new(unsigned int, nothrow); | 
|  | case LibFunc_msvc_new_int_nothrow: | 
|  | // new(unsigned long long, nothrow); | 
|  | case LibFunc_msvc_new_longlong_nothrow: | 
|  | // new[](unsigned int, nothrow); | 
|  | case LibFunc_msvc_new_array_int_nothrow: | 
|  | // new[](unsigned long long, nothrow); | 
|  | case LibFunc_msvc_new_array_longlong_nothrow: | 
|  | // new(unsigned int, align_val_t) | 
|  | case LibFunc_ZnwjSt11align_val_t: | 
|  | // new(unsigned long, align_val_t) | 
|  | case LibFunc_ZnwmSt11align_val_t: | 
|  | // new[](unsigned int, align_val_t) | 
|  | case LibFunc_ZnajSt11align_val_t: | 
|  | // new[](unsigned long, align_val_t) | 
|  | case LibFunc_ZnamSt11align_val_t: | 
|  | return (NumParams == 2 && FTy.getReturnType()->isPointerTy()); | 
|  |  | 
|  | // new(unsigned int, align_val_t, nothrow) | 
|  | case LibFunc_ZnwjSt11align_val_tRKSt9nothrow_t: | 
|  | // new(unsigned long, align_val_t, nothrow) | 
|  | case LibFunc_ZnwmSt11align_val_tRKSt9nothrow_t: | 
|  | // new[](unsigned int, align_val_t, nothrow) | 
|  | case LibFunc_ZnajSt11align_val_tRKSt9nothrow_t: | 
|  | // new[](unsigned long, align_val_t, nothrow) | 
|  | case LibFunc_ZnamSt11align_val_tRKSt9nothrow_t: | 
|  | return (NumParams == 3 && FTy.getReturnType()->isPointerTy()); | 
|  |  | 
|  | // void operator delete[](void*); | 
|  | case LibFunc_ZdaPv: | 
|  | // void operator delete(void*); | 
|  | case LibFunc_ZdlPv: | 
|  | // void operator delete[](void*); | 
|  | case LibFunc_msvc_delete_array_ptr32: | 
|  | // void operator delete[](void*); | 
|  | case LibFunc_msvc_delete_array_ptr64: | 
|  | // void operator delete(void*); | 
|  | case LibFunc_msvc_delete_ptr32: | 
|  | // void operator delete(void*); | 
|  | case LibFunc_msvc_delete_ptr64: | 
|  | return (NumParams == 1 && FTy.getParamType(0)->isPointerTy()); | 
|  |  | 
|  | // void operator delete[](void*, nothrow); | 
|  | case LibFunc_ZdaPvRKSt9nothrow_t: | 
|  | // void operator delete[](void*, unsigned int); | 
|  | case LibFunc_ZdaPvj: | 
|  | // void operator delete[](void*, unsigned long); | 
|  | case LibFunc_ZdaPvm: | 
|  | // void operator delete(void*, nothrow); | 
|  | case LibFunc_ZdlPvRKSt9nothrow_t: | 
|  | // void operator delete(void*, unsigned int); | 
|  | case LibFunc_ZdlPvj: | 
|  | // void operator delete(void*, unsigned long); | 
|  | case LibFunc_ZdlPvm: | 
|  | // void operator delete(void*, align_val_t) | 
|  | case LibFunc_ZdlPvSt11align_val_t: | 
|  | // void operator delete[](void*, align_val_t) | 
|  | case LibFunc_ZdaPvSt11align_val_t: | 
|  | // void operator delete[](void*, unsigned int); | 
|  | case LibFunc_msvc_delete_array_ptr32_int: | 
|  | // void operator delete[](void*, nothrow); | 
|  | case LibFunc_msvc_delete_array_ptr32_nothrow: | 
|  | // void operator delete[](void*, unsigned long long); | 
|  | case LibFunc_msvc_delete_array_ptr64_longlong: | 
|  | // void operator delete[](void*, nothrow); | 
|  | case LibFunc_msvc_delete_array_ptr64_nothrow: | 
|  | // void operator delete(void*, unsigned int); | 
|  | case LibFunc_msvc_delete_ptr32_int: | 
|  | // void operator delete(void*, nothrow); | 
|  | case LibFunc_msvc_delete_ptr32_nothrow: | 
|  | // void operator delete(void*, unsigned long long); | 
|  | case LibFunc_msvc_delete_ptr64_longlong: | 
|  | // void operator delete(void*, nothrow); | 
|  | case LibFunc_msvc_delete_ptr64_nothrow: | 
|  | return (NumParams == 2 && FTy.getParamType(0)->isPointerTy()); | 
|  |  | 
|  | // void operator delete(void*, align_val_t, nothrow) | 
|  | case LibFunc_ZdlPvSt11align_val_tRKSt9nothrow_t: | 
|  | // void operator delete[](void*, align_val_t, nothrow) | 
|  | case LibFunc_ZdaPvSt11align_val_tRKSt9nothrow_t: | 
|  | return (NumParams == 3 && FTy.getParamType(0)->isPointerTy()); | 
|  |  | 
|  | case LibFunc_memset_pattern16: | 
|  | return (!FTy.isVarArg() && NumParams == 3 && | 
|  | FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(1)->isPointerTy() && | 
|  | FTy.getParamType(2)->isIntegerTy()); | 
|  |  | 
|  | case LibFunc_cxa_guard_abort: | 
|  | case LibFunc_cxa_guard_acquire: | 
|  | case LibFunc_cxa_guard_release: | 
|  | case LibFunc_nvvm_reflect: | 
|  | return (NumParams == 1 && FTy.getParamType(0)->isPointerTy()); | 
|  |  | 
|  | case LibFunc_sincospi_stret: | 
|  | case LibFunc_sincospif_stret: | 
|  | return (NumParams == 1 && FTy.getParamType(0)->isFloatingPointTy()); | 
|  |  | 
|  | case LibFunc_acos: | 
|  | case LibFunc_acos_finite: | 
|  | case LibFunc_acosf: | 
|  | case LibFunc_acosf_finite: | 
|  | case LibFunc_acosh: | 
|  | case LibFunc_acosh_finite: | 
|  | case LibFunc_acoshf: | 
|  | case LibFunc_acoshf_finite: | 
|  | case LibFunc_acoshl: | 
|  | case LibFunc_acoshl_finite: | 
|  | case LibFunc_acosl: | 
|  | case LibFunc_acosl_finite: | 
|  | case LibFunc_asin: | 
|  | case LibFunc_asin_finite: | 
|  | case LibFunc_asinf: | 
|  | case LibFunc_asinf_finite: | 
|  | case LibFunc_asinh: | 
|  | case LibFunc_asinhf: | 
|  | case LibFunc_asinhl: | 
|  | case LibFunc_asinl: | 
|  | case LibFunc_asinl_finite: | 
|  | case LibFunc_atan: | 
|  | case LibFunc_atanf: | 
|  | case LibFunc_atanh: | 
|  | case LibFunc_atanh_finite: | 
|  | case LibFunc_atanhf: | 
|  | case LibFunc_atanhf_finite: | 
|  | case LibFunc_atanhl: | 
|  | case LibFunc_atanhl_finite: | 
|  | case LibFunc_atanl: | 
|  | case LibFunc_cbrt: | 
|  | case LibFunc_cbrtf: | 
|  | case LibFunc_cbrtl: | 
|  | case LibFunc_ceil: | 
|  | case LibFunc_ceilf: | 
|  | case LibFunc_ceill: | 
|  | case LibFunc_cos: | 
|  | case LibFunc_cosf: | 
|  | case LibFunc_cosh: | 
|  | case LibFunc_cosh_finite: | 
|  | case LibFunc_coshf: | 
|  | case LibFunc_coshf_finite: | 
|  | case LibFunc_coshl: | 
|  | case LibFunc_coshl_finite: | 
|  | case LibFunc_cosl: | 
|  | case LibFunc_exp10: | 
|  | case LibFunc_exp10_finite: | 
|  | case LibFunc_exp10f: | 
|  | case LibFunc_exp10f_finite: | 
|  | case LibFunc_exp10l: | 
|  | case LibFunc_exp10l_finite: | 
|  | case LibFunc_exp2: | 
|  | case LibFunc_exp2_finite: | 
|  | case LibFunc_exp2f: | 
|  | case LibFunc_exp2f_finite: | 
|  | case LibFunc_exp2l: | 
|  | case LibFunc_exp2l_finite: | 
|  | case LibFunc_exp: | 
|  | case LibFunc_exp_finite: | 
|  | case LibFunc_expf: | 
|  | case LibFunc_expf_finite: | 
|  | case LibFunc_expl: | 
|  | case LibFunc_expl_finite: | 
|  | case LibFunc_expm1: | 
|  | case LibFunc_expm1f: | 
|  | case LibFunc_expm1l: | 
|  | case LibFunc_fabs: | 
|  | case LibFunc_fabsf: | 
|  | case LibFunc_fabsl: | 
|  | case LibFunc_floor: | 
|  | case LibFunc_floorf: | 
|  | case LibFunc_floorl: | 
|  | case LibFunc_log10: | 
|  | case LibFunc_log10_finite: | 
|  | case LibFunc_log10f: | 
|  | case LibFunc_log10f_finite: | 
|  | case LibFunc_log10l: | 
|  | case LibFunc_log10l_finite: | 
|  | case LibFunc_log1p: | 
|  | case LibFunc_log1pf: | 
|  | case LibFunc_log1pl: | 
|  | case LibFunc_log2: | 
|  | case LibFunc_log2_finite: | 
|  | case LibFunc_log2f: | 
|  | case LibFunc_log2f_finite: | 
|  | case LibFunc_log2l: | 
|  | case LibFunc_log2l_finite: | 
|  | case LibFunc_log: | 
|  | case LibFunc_log_finite: | 
|  | case LibFunc_logb: | 
|  | case LibFunc_logbf: | 
|  | case LibFunc_logbl: | 
|  | case LibFunc_logf: | 
|  | case LibFunc_logf_finite: | 
|  | case LibFunc_logl: | 
|  | case LibFunc_logl_finite: | 
|  | case LibFunc_nearbyint: | 
|  | case LibFunc_nearbyintf: | 
|  | case LibFunc_nearbyintl: | 
|  | case LibFunc_rint: | 
|  | case LibFunc_rintf: | 
|  | case LibFunc_rintl: | 
|  | case LibFunc_round: | 
|  | case LibFunc_roundf: | 
|  | case LibFunc_roundl: | 
|  | case LibFunc_sin: | 
|  | case LibFunc_sinf: | 
|  | case LibFunc_sinh: | 
|  | case LibFunc_sinh_finite: | 
|  | case LibFunc_sinhf: | 
|  | case LibFunc_sinhf_finite: | 
|  | case LibFunc_sinhl: | 
|  | case LibFunc_sinhl_finite: | 
|  | case LibFunc_sinl: | 
|  | case LibFunc_sqrt: | 
|  | case LibFunc_sqrt_finite: | 
|  | case LibFunc_sqrtf: | 
|  | case LibFunc_sqrtf_finite: | 
|  | case LibFunc_sqrtl: | 
|  | case LibFunc_sqrtl_finite: | 
|  | case LibFunc_tan: | 
|  | case LibFunc_tanf: | 
|  | case LibFunc_tanh: | 
|  | case LibFunc_tanhf: | 
|  | case LibFunc_tanhl: | 
|  | case LibFunc_tanl: | 
|  | case LibFunc_trunc: | 
|  | case LibFunc_truncf: | 
|  | case LibFunc_truncl: | 
|  | return (NumParams == 1 && FTy.getReturnType()->isFloatingPointTy() && | 
|  | FTy.getReturnType() == FTy.getParamType(0)); | 
|  |  | 
|  | case LibFunc_atan2: | 
|  | case LibFunc_atan2_finite: | 
|  | case LibFunc_atan2f: | 
|  | case LibFunc_atan2f_finite: | 
|  | case LibFunc_atan2l: | 
|  | case LibFunc_atan2l_finite: | 
|  | case LibFunc_fmin: | 
|  | case LibFunc_fminf: | 
|  | case LibFunc_fminl: | 
|  | case LibFunc_fmax: | 
|  | case LibFunc_fmaxf: | 
|  | case LibFunc_fmaxl: | 
|  | case LibFunc_fmod: | 
|  | case LibFunc_fmodf: | 
|  | case LibFunc_fmodl: | 
|  | case LibFunc_copysign: | 
|  | case LibFunc_copysignf: | 
|  | case LibFunc_copysignl: | 
|  | case LibFunc_pow: | 
|  | case LibFunc_pow_finite: | 
|  | case LibFunc_powf: | 
|  | case LibFunc_powf_finite: | 
|  | case LibFunc_powl: | 
|  | case LibFunc_powl_finite: | 
|  | return (NumParams == 2 && FTy.getReturnType()->isFloatingPointTy() && | 
|  | FTy.getReturnType() == FTy.getParamType(0) && | 
|  | FTy.getReturnType() == FTy.getParamType(1)); | 
|  |  | 
|  | case LibFunc_ldexp: | 
|  | case LibFunc_ldexpf: | 
|  | case LibFunc_ldexpl: | 
|  | return (NumParams == 2 && FTy.getReturnType()->isFloatingPointTy() && | 
|  | FTy.getReturnType() == FTy.getParamType(0) && | 
|  | FTy.getParamType(1)->isIntegerTy(32)); | 
|  |  | 
|  | case LibFunc_ffs: | 
|  | case LibFunc_ffsl: | 
|  | case LibFunc_ffsll: | 
|  | case LibFunc_fls: | 
|  | case LibFunc_flsl: | 
|  | case LibFunc_flsll: | 
|  | return (NumParams == 1 && FTy.getReturnType()->isIntegerTy(32) && | 
|  | FTy.getParamType(0)->isIntegerTy()); | 
|  |  | 
|  | case LibFunc_isdigit: | 
|  | case LibFunc_isascii: | 
|  | case LibFunc_toascii: | 
|  | case LibFunc_putchar: | 
|  | case LibFunc_putchar_unlocked: | 
|  | return (NumParams == 1 && FTy.getReturnType()->isIntegerTy(32) && | 
|  | FTy.getReturnType() == FTy.getParamType(0)); | 
|  |  | 
|  | case LibFunc_abs: | 
|  | case LibFunc_labs: | 
|  | case LibFunc_llabs: | 
|  | return (NumParams == 1 && FTy.getReturnType()->isIntegerTy() && | 
|  | FTy.getReturnType() == FTy.getParamType(0)); | 
|  |  | 
|  | case LibFunc_cxa_atexit: | 
|  | return (NumParams == 3 && FTy.getReturnType()->isIntegerTy() && | 
|  | FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(1)->isPointerTy() && | 
|  | FTy.getParamType(2)->isPointerTy()); | 
|  |  | 
|  | case LibFunc_sinpi: | 
|  | case LibFunc_cospi: | 
|  | return (NumParams == 1 && FTy.getReturnType()->isDoubleTy() && | 
|  | FTy.getReturnType() == FTy.getParamType(0)); | 
|  |  | 
|  | case LibFunc_sinpif: | 
|  | case LibFunc_cospif: | 
|  | return (NumParams == 1 && FTy.getReturnType()->isFloatTy() && | 
|  | FTy.getReturnType() == FTy.getParamType(0)); | 
|  |  | 
|  | case LibFunc_strnlen: | 
|  | return (NumParams == 2 && FTy.getReturnType() == FTy.getParamType(1) && | 
|  | FTy.getParamType(0) == PCharTy && | 
|  | FTy.getParamType(1) == SizeTTy); | 
|  |  | 
|  | case LibFunc_posix_memalign: | 
|  | return (NumParams == 3 && FTy.getReturnType()->isIntegerTy(32) && | 
|  | FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getParamType(1) == SizeTTy && FTy.getParamType(2) == SizeTTy); | 
|  |  | 
|  | case LibFunc_wcslen: | 
|  | return (NumParams == 1 && FTy.getParamType(0)->isPointerTy() && | 
|  | FTy.getReturnType()->isIntegerTy()); | 
|  |  | 
|  | case LibFunc_cabs: | 
|  | case LibFunc_cabsf: | 
|  | case LibFunc_cabsl: { | 
|  | Type* RetTy = FTy.getReturnType(); | 
|  | if (!RetTy->isFloatingPointTy()) | 
|  | return false; | 
|  |  | 
|  | // NOTE: These prototypes are target specific and currently support | 
|  | // "complex" passed as an array or discrete real & imaginary parameters. | 
|  | // Add other calling conventions to enable libcall optimizations. | 
|  | if (NumParams == 1) | 
|  | return (FTy.getParamType(0)->isArrayTy() && | 
|  | FTy.getParamType(0)->getArrayNumElements() == 2 && | 
|  | FTy.getParamType(0)->getArrayElementType() == RetTy); | 
|  | else if (NumParams == 2) | 
|  | return (FTy.getParamType(0) == RetTy && FTy.getParamType(1) == RetTy); | 
|  | else | 
|  | return false; | 
|  | } | 
|  | case LibFunc::NumLibFuncs: | 
|  | break; | 
|  | } | 
|  |  | 
|  | llvm_unreachable("Invalid libfunc"); | 
|  | } | 
|  |  | 
|  | bool TargetLibraryInfoImpl::getLibFunc(const Function &FDecl, | 
|  | LibFunc &F) const { | 
|  | const DataLayout *DL = | 
|  | FDecl.getParent() ? &FDecl.getParent()->getDataLayout() : nullptr; | 
|  | return getLibFunc(FDecl.getName(), F) && | 
|  | isValidProtoForLibFunc(*FDecl.getFunctionType(), F, DL); | 
|  | } | 
|  |  | 
|  | void TargetLibraryInfoImpl::disableAllFunctions() { | 
|  | memset(AvailableArray, 0, sizeof(AvailableArray)); | 
|  | } | 
|  |  | 
|  | static bool compareByScalarFnName(const VecDesc &LHS, const VecDesc &RHS) { | 
|  | return LHS.ScalarFnName < RHS.ScalarFnName; | 
|  | } | 
|  |  | 
|  | static bool compareByVectorFnName(const VecDesc &LHS, const VecDesc &RHS) { | 
|  | return LHS.VectorFnName < RHS.VectorFnName; | 
|  | } | 
|  |  | 
|  | static bool compareWithScalarFnName(const VecDesc &LHS, StringRef S) { | 
|  | return LHS.ScalarFnName < S; | 
|  | } | 
|  |  | 
|  | static bool compareWithVectorFnName(const VecDesc &LHS, StringRef S) { | 
|  | return LHS.VectorFnName < S; | 
|  | } | 
|  |  | 
|  | void TargetLibraryInfoImpl::addVectorizableFunctions(ArrayRef<VecDesc> Fns) { | 
|  | VectorDescs.insert(VectorDescs.end(), Fns.begin(), Fns.end()); | 
|  | llvm::sort(VectorDescs.begin(), VectorDescs.end(), compareByScalarFnName); | 
|  |  | 
|  | ScalarDescs.insert(ScalarDescs.end(), Fns.begin(), Fns.end()); | 
|  | llvm::sort(ScalarDescs.begin(), ScalarDescs.end(), compareByVectorFnName); | 
|  | } | 
|  |  | 
|  | void TargetLibraryInfoImpl::addVectorizableFunctionsFromVecLib( | 
|  | enum VectorLibrary VecLib) { | 
|  | switch (VecLib) { | 
|  | case Accelerate: { | 
|  | const VecDesc VecFuncs[] = { | 
|  | // Floating-Point Arithmetic and Auxiliary Functions | 
|  | {"ceilf", "vceilf", 4}, | 
|  | {"fabsf", "vfabsf", 4}, | 
|  | {"llvm.fabs.f32", "vfabsf", 4}, | 
|  | {"floorf", "vfloorf", 4}, | 
|  | {"sqrtf", "vsqrtf", 4}, | 
|  | {"llvm.sqrt.f32", "vsqrtf", 4}, | 
|  |  | 
|  | // Exponential and Logarithmic Functions | 
|  | {"expf", "vexpf", 4}, | 
|  | {"llvm.exp.f32", "vexpf", 4}, | 
|  | {"expm1f", "vexpm1f", 4}, | 
|  | {"logf", "vlogf", 4}, | 
|  | {"llvm.log.f32", "vlogf", 4}, | 
|  | {"log1pf", "vlog1pf", 4}, | 
|  | {"log10f", "vlog10f", 4}, | 
|  | {"llvm.log10.f32", "vlog10f", 4}, | 
|  | {"logbf", "vlogbf", 4}, | 
|  |  | 
|  | // Trigonometric Functions | 
|  | {"sinf", "vsinf", 4}, | 
|  | {"llvm.sin.f32", "vsinf", 4}, | 
|  | {"cosf", "vcosf", 4}, | 
|  | {"llvm.cos.f32", "vcosf", 4}, | 
|  | {"tanf", "vtanf", 4}, | 
|  | {"asinf", "vasinf", 4}, | 
|  | {"acosf", "vacosf", 4}, | 
|  | {"atanf", "vatanf", 4}, | 
|  |  | 
|  | // Hyperbolic Functions | 
|  | {"sinhf", "vsinhf", 4}, | 
|  | {"coshf", "vcoshf", 4}, | 
|  | {"tanhf", "vtanhf", 4}, | 
|  | {"asinhf", "vasinhf", 4}, | 
|  | {"acoshf", "vacoshf", 4}, | 
|  | {"atanhf", "vatanhf", 4}, | 
|  | }; | 
|  | addVectorizableFunctions(VecFuncs); | 
|  | break; | 
|  | } | 
|  | case SVML: { | 
|  | const VecDesc VecFuncs[] = { | 
|  | {"sin", "__svml_sin2", 2}, | 
|  | {"sin", "__svml_sin4", 4}, | 
|  | {"sin", "__svml_sin8", 8}, | 
|  |  | 
|  | {"sinf", "__svml_sinf4", 4}, | 
|  | {"sinf", "__svml_sinf8", 8}, | 
|  | {"sinf", "__svml_sinf16", 16}, | 
|  |  | 
|  | {"llvm.sin.f64", "__svml_sin2", 2}, | 
|  | {"llvm.sin.f64", "__svml_sin4", 4}, | 
|  | {"llvm.sin.f64", "__svml_sin8", 8}, | 
|  |  | 
|  | {"llvm.sin.f32", "__svml_sinf4", 4}, | 
|  | {"llvm.sin.f32", "__svml_sinf8", 8}, | 
|  | {"llvm.sin.f32", "__svml_sinf16", 16}, | 
|  |  | 
|  | {"cos", "__svml_cos2", 2}, | 
|  | {"cos", "__svml_cos4", 4}, | 
|  | {"cos", "__svml_cos8", 8}, | 
|  |  | 
|  | {"cosf", "__svml_cosf4", 4}, | 
|  | {"cosf", "__svml_cosf8", 8}, | 
|  | {"cosf", "__svml_cosf16", 16}, | 
|  |  | 
|  | {"llvm.cos.f64", "__svml_cos2", 2}, | 
|  | {"llvm.cos.f64", "__svml_cos4", 4}, | 
|  | {"llvm.cos.f64", "__svml_cos8", 8}, | 
|  |  | 
|  | {"llvm.cos.f32", "__svml_cosf4", 4}, | 
|  | {"llvm.cos.f32", "__svml_cosf8", 8}, | 
|  | {"llvm.cos.f32", "__svml_cosf16", 16}, | 
|  |  | 
|  | {"pow", "__svml_pow2", 2}, | 
|  | {"pow", "__svml_pow4", 4}, | 
|  | {"pow", "__svml_pow8", 8}, | 
|  |  | 
|  | {"powf", "__svml_powf4", 4}, | 
|  | {"powf", "__svml_powf8", 8}, | 
|  | {"powf", "__svml_powf16", 16}, | 
|  |  | 
|  | { "__pow_finite", "__svml_pow2", 2 }, | 
|  | { "__pow_finite", "__svml_pow4", 4 }, | 
|  | { "__pow_finite", "__svml_pow8", 8 }, | 
|  |  | 
|  | { "__powf_finite", "__svml_powf4", 4 }, | 
|  | { "__powf_finite", "__svml_powf8", 8 }, | 
|  | { "__powf_finite", "__svml_powf16", 16 }, | 
|  |  | 
|  | {"llvm.pow.f64", "__svml_pow2", 2}, | 
|  | {"llvm.pow.f64", "__svml_pow4", 4}, | 
|  | {"llvm.pow.f64", "__svml_pow8", 8}, | 
|  |  | 
|  | {"llvm.pow.f32", "__svml_powf4", 4}, | 
|  | {"llvm.pow.f32", "__svml_powf8", 8}, | 
|  | {"llvm.pow.f32", "__svml_powf16", 16}, | 
|  |  | 
|  | {"exp", "__svml_exp2", 2}, | 
|  | {"exp", "__svml_exp4", 4}, | 
|  | {"exp", "__svml_exp8", 8}, | 
|  |  | 
|  | {"expf", "__svml_expf4", 4}, | 
|  | {"expf", "__svml_expf8", 8}, | 
|  | {"expf", "__svml_expf16", 16}, | 
|  |  | 
|  | { "__exp_finite", "__svml_exp2", 2 }, | 
|  | { "__exp_finite", "__svml_exp4", 4 }, | 
|  | { "__exp_finite", "__svml_exp8", 8 }, | 
|  |  | 
|  | { "__expf_finite", "__svml_expf4", 4 }, | 
|  | { "__expf_finite", "__svml_expf8", 8 }, | 
|  | { "__expf_finite", "__svml_expf16", 16 }, | 
|  |  | 
|  | {"llvm.exp.f64", "__svml_exp2", 2}, | 
|  | {"llvm.exp.f64", "__svml_exp4", 4}, | 
|  | {"llvm.exp.f64", "__svml_exp8", 8}, | 
|  |  | 
|  | {"llvm.exp.f32", "__svml_expf4", 4}, | 
|  | {"llvm.exp.f32", "__svml_expf8", 8}, | 
|  | {"llvm.exp.f32", "__svml_expf16", 16}, | 
|  |  | 
|  | {"log", "__svml_log2", 2}, | 
|  | {"log", "__svml_log4", 4}, | 
|  | {"log", "__svml_log8", 8}, | 
|  |  | 
|  | {"logf", "__svml_logf4", 4}, | 
|  | {"logf", "__svml_logf8", 8}, | 
|  | {"logf", "__svml_logf16", 16}, | 
|  |  | 
|  | { "__log_finite", "__svml_log2", 2 }, | 
|  | { "__log_finite", "__svml_log4", 4 }, | 
|  | { "__log_finite", "__svml_log8", 8 }, | 
|  |  | 
|  | { "__logf_finite", "__svml_logf4", 4 }, | 
|  | { "__logf_finite", "__svml_logf8", 8 }, | 
|  | { "__logf_finite", "__svml_logf16", 16 }, | 
|  |  | 
|  | {"llvm.log.f64", "__svml_log2", 2}, | 
|  | {"llvm.log.f64", "__svml_log4", 4}, | 
|  | {"llvm.log.f64", "__svml_log8", 8}, | 
|  |  | 
|  | {"llvm.log.f32", "__svml_logf4", 4}, | 
|  | {"llvm.log.f32", "__svml_logf8", 8}, | 
|  | {"llvm.log.f32", "__svml_logf16", 16}, | 
|  | }; | 
|  | addVectorizableFunctions(VecFuncs); | 
|  | break; | 
|  | } | 
|  | case NoLibrary: | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | bool TargetLibraryInfoImpl::isFunctionVectorizable(StringRef funcName) const { | 
|  | funcName = sanitizeFunctionName(funcName); | 
|  | if (funcName.empty()) | 
|  | return false; | 
|  |  | 
|  | std::vector<VecDesc>::const_iterator I = std::lower_bound( | 
|  | VectorDescs.begin(), VectorDescs.end(), funcName, | 
|  | compareWithScalarFnName); | 
|  | return I != VectorDescs.end() && StringRef(I->ScalarFnName) == funcName; | 
|  | } | 
|  |  | 
|  | StringRef TargetLibraryInfoImpl::getVectorizedFunction(StringRef F, | 
|  | unsigned VF) const { | 
|  | F = sanitizeFunctionName(F); | 
|  | if (F.empty()) | 
|  | return F; | 
|  | std::vector<VecDesc>::const_iterator I = std::lower_bound( | 
|  | VectorDescs.begin(), VectorDescs.end(), F, compareWithScalarFnName); | 
|  | while (I != VectorDescs.end() && StringRef(I->ScalarFnName) == F) { | 
|  | if (I->VectorizationFactor == VF) | 
|  | return I->VectorFnName; | 
|  | ++I; | 
|  | } | 
|  | return StringRef(); | 
|  | } | 
|  |  | 
|  | StringRef TargetLibraryInfoImpl::getScalarizedFunction(StringRef F, | 
|  | unsigned &VF) const { | 
|  | F = sanitizeFunctionName(F); | 
|  | if (F.empty()) | 
|  | return F; | 
|  |  | 
|  | std::vector<VecDesc>::const_iterator I = std::lower_bound( | 
|  | ScalarDescs.begin(), ScalarDescs.end(), F, compareWithVectorFnName); | 
|  | if (I == VectorDescs.end() || StringRef(I->VectorFnName) != F) | 
|  | return StringRef(); | 
|  | VF = I->VectorizationFactor; | 
|  | return I->ScalarFnName; | 
|  | } | 
|  |  | 
|  | TargetLibraryInfo TargetLibraryAnalysis::run(Module &M, | 
|  | ModuleAnalysisManager &) { | 
|  | if (PresetInfoImpl) | 
|  | return TargetLibraryInfo(*PresetInfoImpl); | 
|  |  | 
|  | return TargetLibraryInfo(lookupInfoImpl(Triple(M.getTargetTriple()))); | 
|  | } | 
|  |  | 
|  | TargetLibraryInfo TargetLibraryAnalysis::run(Function &F, | 
|  | FunctionAnalysisManager &) { | 
|  | if (PresetInfoImpl) | 
|  | return TargetLibraryInfo(*PresetInfoImpl); | 
|  |  | 
|  | return TargetLibraryInfo( | 
|  | lookupInfoImpl(Triple(F.getParent()->getTargetTriple()))); | 
|  | } | 
|  |  | 
|  | TargetLibraryInfoImpl &TargetLibraryAnalysis::lookupInfoImpl(const Triple &T) { | 
|  | std::unique_ptr<TargetLibraryInfoImpl> &Impl = | 
|  | Impls[T.normalize()]; | 
|  | if (!Impl) | 
|  | Impl.reset(new TargetLibraryInfoImpl(T)); | 
|  |  | 
|  | return *Impl; | 
|  | } | 
|  |  | 
|  | unsigned TargetLibraryInfoImpl::getWCharSize(const Module &M) const { | 
|  | if (auto *ShortWChar = cast_or_null<ConstantAsMetadata>( | 
|  | M.getModuleFlag("wchar_size"))) | 
|  | return cast<ConstantInt>(ShortWChar->getValue())->getZExtValue(); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass() | 
|  | : ImmutablePass(ID), TLIImpl(), TLI(TLIImpl) { | 
|  | initializeTargetLibraryInfoWrapperPassPass(*PassRegistry::getPassRegistry()); | 
|  | } | 
|  |  | 
|  | TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass(const Triple &T) | 
|  | : ImmutablePass(ID), TLIImpl(T), TLI(TLIImpl) { | 
|  | initializeTargetLibraryInfoWrapperPassPass(*PassRegistry::getPassRegistry()); | 
|  | } | 
|  |  | 
|  | TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass( | 
|  | const TargetLibraryInfoImpl &TLIImpl) | 
|  | : ImmutablePass(ID), TLIImpl(TLIImpl), TLI(this->TLIImpl) { | 
|  | initializeTargetLibraryInfoWrapperPassPass(*PassRegistry::getPassRegistry()); | 
|  | } | 
|  |  | 
|  | AnalysisKey TargetLibraryAnalysis::Key; | 
|  |  | 
|  | // Register the basic pass. | 
|  | INITIALIZE_PASS(TargetLibraryInfoWrapperPass, "targetlibinfo", | 
|  | "Target Library Information", false, true) | 
|  | char TargetLibraryInfoWrapperPass::ID = 0; | 
|  |  | 
|  | void TargetLibraryInfoWrapperPass::anchor() {} |