| //===-- TargetLibraryInfo.cpp - Runtime library information ----------------==// | |
| // | |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | |
| // See https://llvm.org/LICENSE.txt for license information. | |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | |
| // | |
| //===----------------------------------------------------------------------===// | |
| // | |
| // This file implements the TargetLibraryInfo class. | |
| // | |
| //===----------------------------------------------------------------------===// | |
| #include "llvm/Analysis/TargetLibraryInfo.h" | |
| #include "llvm/ADT/Triple.h" | |
| #include "llvm/IR/Constants.h" | |
| #include "llvm/InitializePasses.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::MASSV, "MASSV", | |
| "IBM MASS vector library"), | |
| clEnumValN(TargetLibraryInfoImpl::SVML, "SVML", | |
| "Intel SVML library"))); | |
| StringLiteral 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; | |
| } | |
| static bool hasBcmp(const Triple &TT) { | |
| // Posix removed support from bcmp() in 2001, but the glibc and several | |
| // implementations of the libc still have it. | |
| if (TT.isOSLinux()) | |
| return TT.isGNUEnvironment() || TT.isMusl(); | |
| // Both NetBSD and OpenBSD are planning to remove the function. Windows does | |
| // not have it. | |
| return TT.isOSFreeBSD() || TT.isOSSolaris(); | |
| } | |
| /// 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<StringLiteral> 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.isPPC64() || 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.disableAllFunctions(); | |
| // There are no library implementations of memcpy 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 (!hasBcmp(T)) | |
| TLI.setUnavailable(LibFunc_bcmp); | |
| 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, TCE, and Emscripten. | |
| if (T.getArch() != Triple::xcore && T.getArch() != Triple::tce && | |
| T.getOS() != Triple::Emscripten) { | |
| TLI.setUnavailable(LibFunc_iprintf); | |
| TLI.setUnavailable(LibFunc_siprintf); | |
| TLI.setUnavailable(LibFunc_fiprintf); | |
| } | |
| // __small_printf and friends are only available on Emscripten. | |
| if (T.getOS() != Triple::Emscripten) { | |
| TLI.setUnavailable(LibFunc_small_printf); | |
| TLI.setUnavailable(LibFunc_small_sprintf); | |
| TLI.setUnavailable(LibFunc_small_fprintf); | |
| } | |
| if (T.isOSWindows() && !T.isOSCygMing()) { | |
| // XXX: The earliest documentation available at the moment is for VS2015/VC19: | |
| // https://docs.microsoft.com/en-us/cpp/c-runtime-library/floating-point-support?view=vs-2015 | |
| // XXX: In order to use an MSVCRT older than VC19, | |
| // the specific library version must be explicit in the target triple, | |
| // e.g., x86_64-pc-windows-msvc18. | |
| bool hasPartialC99 = true; | |
| if (T.isKnownWindowsMSVCEnvironment()) { | |
| unsigned Major, Minor, Micro; | |
| T.getEnvironmentVersion(Major, Minor, Micro); | |
| hasPartialC99 = (Major == 0 || Major >= 19); | |
| } | |
| // Latest targets support C89 math functions, in part. | |
| bool isARM = (T.getArch() == Triple::aarch64 || | |
| T.getArch() == Triple::arm); | |
| bool hasPartialFloat = (isARM || | |
| T.getArch() == Triple::x86_64); | |
| // Win32 does not support float C89 math functions, in general. | |
| if (!hasPartialFloat) { | |
| TLI.setUnavailable(LibFunc_acosf); | |
| TLI.setUnavailable(LibFunc_asinf); | |
| TLI.setUnavailable(LibFunc_atan2f); | |
| TLI.setUnavailable(LibFunc_atanf); | |
| TLI.setUnavailable(LibFunc_ceilf); | |
| TLI.setUnavailable(LibFunc_cosf); | |
| TLI.setUnavailable(LibFunc_coshf); | |
| TLI.setUnavailable(LibFunc_expf); | |
| TLI.setUnavailable(LibFunc_floorf); | |
| TLI.setUnavailable(LibFunc_fmodf); | |
| TLI.setUnavailable(LibFunc_log10f); | |
| TLI.setUnavailable(LibFunc_logf); | |
| 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); | |
| } | |
| if (!isARM) | |
| TLI.setUnavailable(LibFunc_fabsf); | |
| TLI.setUnavailable(LibFunc_frexpf); | |
| TLI.setUnavailable(LibFunc_ldexpf); | |
| // Win32 does not support long double C89 math functions. | |
| TLI.setUnavailable(LibFunc_acosl); | |
| TLI.setUnavailable(LibFunc_asinl); | |
| TLI.setUnavailable(LibFunc_atan2l); | |
| TLI.setUnavailable(LibFunc_atanl); | |
| TLI.setUnavailable(LibFunc_ceill); | |
| TLI.setUnavailable(LibFunc_cosl); | |
| TLI.setUnavailable(LibFunc_coshl); | |
| TLI.setUnavailable(LibFunc_expl); | |
| TLI.setUnavailable(LibFunc_fabsl); | |
| TLI.setUnavailable(LibFunc_floorl); | |
| TLI.setUnavailable(LibFunc_fmodl); | |
| TLI.setUnavailable(LibFunc_frexpl); | |
| TLI.setUnavailable(LibFunc_ldexpl); | |
| TLI.setUnavailable(LibFunc_log10l); | |
| 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 does not fully support C99 math functions. | |
| if (!hasPartialC99) { | |
| TLI.setUnavailable(LibFunc_acosh); | |
| TLI.setUnavailable(LibFunc_acoshf); | |
| TLI.setUnavailable(LibFunc_asinh); | |
| TLI.setUnavailable(LibFunc_asinhf); | |
| TLI.setUnavailable(LibFunc_atanh); | |
| TLI.setUnavailable(LibFunc_atanhf); | |
| TLI.setAvailableWithName(LibFunc_cabs, "_cabs"); | |
| TLI.setUnavailable(LibFunc_cabsf); | |
| TLI.setUnavailable(LibFunc_cbrt); | |
| TLI.setUnavailable(LibFunc_cbrtf); | |
| TLI.setAvailableWithName(LibFunc_copysign, "_copysign"); | |
| TLI.setAvailableWithName(LibFunc_copysignf, "_copysignf"); | |
| TLI.setUnavailable(LibFunc_exp2); | |
| TLI.setUnavailable(LibFunc_exp2f); | |
| TLI.setUnavailable(LibFunc_expm1); | |
| TLI.setUnavailable(LibFunc_expm1f); | |
| TLI.setUnavailable(LibFunc_fmax); | |
| TLI.setUnavailable(LibFunc_fmaxf); | |
| TLI.setUnavailable(LibFunc_fmin); | |
| TLI.setUnavailable(LibFunc_fminf); | |
| TLI.setUnavailable(LibFunc_log1p); | |
| TLI.setUnavailable(LibFunc_log1pf); | |
| TLI.setUnavailable(LibFunc_log2); | |
| TLI.setUnavailable(LibFunc_log2f); | |
| TLI.setAvailableWithName(LibFunc_logb, "_logb"); | |
| if (hasPartialFloat) | |
| TLI.setAvailableWithName(LibFunc_logbf, "_logbf"); | |
| else | |
| TLI.setUnavailable(LibFunc_logbf); | |
| TLI.setUnavailable(LibFunc_rint); | |
| TLI.setUnavailable(LibFunc_rintf); | |
| TLI.setUnavailable(LibFunc_round); | |
| TLI.setUnavailable(LibFunc_roundf); | |
| TLI.setUnavailable(LibFunc_trunc); | |
| TLI.setUnavailable(LibFunc_truncf); | |
| } | |
| // Win32 does not support long double C99 math functions. | |
| TLI.setUnavailable(LibFunc_acoshl); | |
| TLI.setUnavailable(LibFunc_asinhl); | |
| TLI.setUnavailable(LibFunc_atanhl); | |
| TLI.setUnavailable(LibFunc_cabsl); | |
| TLI.setUnavailable(LibFunc_cbrtl); | |
| TLI.setUnavailable(LibFunc_copysignl); | |
| TLI.setUnavailable(LibFunc_exp2l); | |
| TLI.setUnavailable(LibFunc_expm1l); | |
| TLI.setUnavailable(LibFunc_fmaxl); | |
| TLI.setUnavailable(LibFunc_fminl); | |
| TLI.setUnavailable(LibFunc_log1pl); | |
| TLI.setUnavailable(LibFunc_log2l); | |
| TLI.setUnavailable(LibFunc_logbl); | |
| TLI.setUnavailable(LibFunc_nearbyintl); | |
| TLI.setUnavailable(LibFunc_rintl); | |
| TLI.setUnavailable(LibFunc_roundl); | |
| TLI.setUnavailable(LibFunc_truncl); | |
| // Win32 does not support 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); | |
| } | |
| 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.isX86()))) { | |
| 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 only available on GNU/Linux (using glibc). | |
| // Linux variants without glibc (eg: bionic, musl) may have some subset. | |
| if (!T.isOSLinux() || !T.isGNUEnvironment()) { | |
| 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 and musl have memalign. | |
| if (!T.isAndroid() && !T.isMusl()) | |
| 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). | |
| // Note that math-finite.h is no longer supported by top-of-tree GLIBC, | |
| // so we keep these functions around just so that they're recognized by | |
| // the ConstantFolder. | |
| 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 { | |
| funcName = sanitizeFunctionName(funcName); | |
| if (funcName.empty()) | |
| return false; | |
| const auto *Start = std::begin(StandardNames); | |
| const auto *End = std::end(StandardNames); | |
| const auto *I = std::lower_bound(Start, End, funcName); | |
| 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_execl: | |
| case LibFunc_execlp: | |
| case LibFunc_execle: | |
| return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() && | |
| FTy.getParamType(1)->isPointerTy() && | |
| FTy.getReturnType()->isIntegerTy(32)); | |
| case LibFunc_execv: | |
| case LibFunc_execvp: | |
| return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() && | |
| FTy.getParamType(1)->isPointerTy() && | |
| FTy.getReturnType()->isIntegerTy(32)); | |
| case LibFunc_execvP: | |
| case LibFunc_execvpe: | |
| case LibFunc_execve: | |
| return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() && | |
| FTy.getParamType(1)->isPointerTy() && | |
| FTy.getParamType(2)->isPointerTy() && | |
| FTy.getReturnType()->isIntegerTy(32)); | |
| 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_chk: | |
| --NumParams; | |
| if (!IsSizeTTy(FTy.getParamType(NumParams))) | |
| return false; | |
| LLVM_FALLTHROUGH; | |
| case LibFunc_strcat: | |
| return (NumParams == 2 && FTy.getReturnType()->isPointerTy() && | |
| FTy.getParamType(0) == FTy.getReturnType() && | |
| FTy.getParamType(1) == FTy.getReturnType()); | |
| case LibFunc_strncat_chk: | |
| --NumParams; | |
| if (!IsSizeTTy(FTy.getParamType(NumParams))) | |
| return false; | |
| LLVM_FALLTHROUGH; | |
| 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_strlcat_chk: | |
| case LibFunc_strlcpy_chk: | |
| --NumParams; | |
| if (!IsSizeTTy(FTy.getParamType(NumParams))) | |
| return false; | |
| LLVM_FALLTHROUGH; | |
| case LibFunc_strlcat: | |
| case LibFunc_strlcpy: | |
| return NumParams == 3 && IsSizeTTy(FTy.getReturnType()) && | |
| FTy.getParamType(0)->isPointerTy() && | |
| FTy.getParamType(1)->isPointerTy() && | |
| IsSizeTTy(FTy.getParamType(2)); | |
| 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_small_sprintf: | |
| case LibFunc_sprintf: | |
| return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() && | |
| FTy.getParamType(1)->isPointerTy() && | |
| FTy.getReturnType()->isIntegerTy(32)); | |
| case LibFunc_sprintf_chk: | |
| return NumParams == 4 && FTy.getParamType(0)->isPointerTy() && | |
| FTy.getParamType(1)->isIntegerTy(32) && | |
| IsSizeTTy(FTy.getParamType(2)) && | |
| FTy.getParamType(3)->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_snprintf_chk: | |
| return NumParams == 5 && FTy.getParamType(0)->isPointerTy() && | |
| IsSizeTTy(FTy.getParamType(1)) && | |
| FTy.getParamType(2)->isIntegerTy(32) && | |
| IsSizeTTy(FTy.getParamType(3)) && | |
| FTy.getParamType(4)->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_chk: | |
| --NumParams; | |
| if (!IsSizeTTy(FTy.getParamType(NumParams))) | |
| return false; | |
| LLVM_FALLTHROUGH; | |
| 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_small_printf: | |
| 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_fork: | |
| return (NumParams == 0 && FTy.getReturnType()->isIntegerTy(32)); | |
| 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_small_fprintf: | |
| 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_vsprintf_chk: | |
| return NumParams == 5 && FTy.getParamType(0)->isPointerTy() && | |
| FTy.getParamType(1)->isIntegerTy(32) && | |
| IsSizeTTy(FTy.getParamType(2)) && FTy.getParamType(3)->isPointerTy(); | |
| case LibFunc_vsnprintf: | |
| return (NumParams == 4 && FTy.getParamType(0)->isPointerTy() && | |
| FTy.getParamType(2)->isPointerTy()); | |
| case LibFunc_vsnprintf_chk: | |
| return NumParams == 6 && FTy.getParamType(0)->isPointerTy() && | |
| FTy.getParamType(2)->isIntegerTy(32) && | |
| IsSizeTTy(FTy.getParamType(3)) && FTy.getParamType(4)->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: | |
| case LibFunc::NotLibFunc: | |
| break; | |
| } | |
| llvm_unreachable("Invalid libfunc"); | |
| } | |
| bool TargetLibraryInfoImpl::getLibFunc(const Function &FDecl, | |
| LibFunc &F) const { | |
| // Intrinsics don't overlap w/libcalls; if our module has a large number of | |
| // intrinsics, this ends up being an interesting compile time win since we | |
| // avoid string normalization and comparison. | |
| if (FDecl.isIntrinsic()) return false; | |
| 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, compareByScalarFnName); | |
| ScalarDescs.insert(ScalarDescs.end(), Fns.begin(), Fns.end()); | |
| llvm::sort(ScalarDescs, compareByVectorFnName); | |
| } | |
| void TargetLibraryInfoImpl::addVectorizableFunctionsFromVecLib( | |
| enum VectorLibrary VecLib) { | |
| switch (VecLib) { | |
| case Accelerate: { | |
| const VecDesc VecFuncs[] = { | |
| #define TLI_DEFINE_ACCELERATE_VECFUNCS | |
| #include "llvm/Analysis/VecFuncs.def" | |
| }; | |
| addVectorizableFunctions(VecFuncs); | |
| break; | |
| } | |
| case MASSV: { | |
| const VecDesc VecFuncs[] = { | |
| #define TLI_DEFINE_MASSV_VECFUNCS | |
| #include "llvm/Analysis/VecFuncs.def" | |
| }; | |
| addVectorizableFunctions(VecFuncs); | |
| break; | |
| } | |
| case SVML: { | |
| const VecDesc VecFuncs[] = { | |
| #define TLI_DEFINE_SVML_VECFUNCS | |
| #include "llvm/Analysis/VecFuncs.def" | |
| }; | |
| 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 = | |
| llvm::lower_bound(VectorDescs, 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 = | |
| llvm::lower_bound(VectorDescs, 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 = | |
| llvm::lower_bound(ScalarDescs, F, compareWithVectorFnName); | |
| if (I == VectorDescs.end() || StringRef(I->VectorFnName) != F) | |
| return StringRef(); | |
| VF = I->VectorizationFactor; | |
| return I->ScalarFnName; | |
| } | |
| TargetLibraryInfo TargetLibraryAnalysis::run(const Function &F, | |
| FunctionAnalysisManager &) { | |
| if (!BaselineInfoImpl) | |
| BaselineInfoImpl = | |
| TargetLibraryInfoImpl(Triple(F.getParent()->getTargetTriple())); | |
| return TargetLibraryInfo(*BaselineInfoImpl, &F); | |
| } | |
| 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), TLA(TargetLibraryInfoImpl()) { | |
| initializeTargetLibraryInfoWrapperPassPass(*PassRegistry::getPassRegistry()); | |
| } | |
| TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass(const Triple &T) | |
| : ImmutablePass(ID), TLA(TargetLibraryInfoImpl(T)) { | |
| initializeTargetLibraryInfoWrapperPassPass(*PassRegistry::getPassRegistry()); | |
| } | |
| TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass( | |
| const TargetLibraryInfoImpl &TLIImpl) | |
| : ImmutablePass(ID), TLA(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() {} | |
| unsigned TargetLibraryInfoImpl::getWidestVF(StringRef ScalarF) const { | |
| ScalarF = sanitizeFunctionName(ScalarF); | |
| if (ScalarF.empty()) | |
| return 1; | |
| unsigned VF = 1; | |
| std::vector<VecDesc>::const_iterator I = | |
| llvm::lower_bound(VectorDescs, ScalarF, compareWithScalarFnName); | |
| while (I != VectorDescs.end() && StringRef(I->ScalarFnName) == ScalarF) { | |
| if (I->VectorizationFactor > VF) | |
| VF = I->VectorizationFactor; | |
| ++I; | |
| } | |
| return VF; | |
| } |