| //===-- 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; |
| } |
