mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-10-31 08:16:47 +00:00
0a8ff297ad
Generate tables in the .xdata section representing what actions to take when an exception is thrown. This currently fills in state for cleanups, catch handlers are still unfinished. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@233636 91177308-0d34-0410-b5e6-96231b3b80d8
576 lines
20 KiB
C++
576 lines
20 KiB
C++
//===-- TargetLibraryInfo.cpp - Runtime library information ----------------==//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file implements the TargetLibraryInfo class.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/Analysis/TargetLibraryInfo.h"
|
|
#include "llvm/ADT/Triple.h"
|
|
#include "llvm/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"),
|
|
clEnumValEnd));
|
|
|
|
const char *const TargetLibraryInfoImpl::StandardNames[LibFunc::NumLibFuncs] = {
|
|
#define TLI_DEFINE_STRING
|
|
#include "llvm/Analysis/TargetLibraryInfo.def"
|
|
};
|
|
|
|
static bool hasSinCosPiStret(const Triple &T) {
|
|
// Only Darwin variants have _stret versions of combined trig functions.
|
|
if (!T.isOSDarwin())
|
|
return false;
|
|
|
|
// The ABI is rather complicated on x86, so don't do anything special there.
|
|
if (T.getArch() == Triple::x86)
|
|
return false;
|
|
|
|
if (T.isMacOSX() && T.isMacOSXVersionLT(10, 9))
|
|
return false;
|
|
|
|
if (T.isiOS() && T.isOSVersionLT(7, 0))
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
/// initialize - 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,
|
|
const char *const *StandardNames) {
|
|
#ifndef NDEBUG
|
|
// Verify that the StandardNames array is in alphabetical order.
|
|
for (unsigned F = 1; F < LibFunc::NumLibFuncs; ++F) {
|
|
if (strcmp(StandardNames[F-1], StandardNames[F]) >= 0)
|
|
llvm_unreachable("TargetLibraryInfoImpl function names must be sorted");
|
|
}
|
|
#endif // !NDEBUG
|
|
|
|
// There are no library implementations of mempcy and memset for AMD gpus and
|
|
// these can be difficult to lower in the backend.
|
|
if (T.getArch() == Triple::r600 ||
|
|
T.getArch() == Triple::amdgcn) {
|
|
TLI.setUnavailable(LibFunc::memcpy);
|
|
TLI.setUnavailable(LibFunc::memset);
|
|
TLI.setUnavailable(LibFunc::memset_pattern16);
|
|
return;
|
|
}
|
|
|
|
// memset_pattern16 is only available on iOS 3.0 and Mac OS X 10.5 and later.
|
|
if (T.isMacOSX()) {
|
|
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 {
|
|
TLI.setUnavailable(LibFunc::memset_pattern16);
|
|
}
|
|
|
|
if (!hasSinCosPiStret(T)) {
|
|
TLI.setUnavailable(LibFunc::sinpi);
|
|
TLI.setUnavailable(LibFunc::sinpif);
|
|
TLI.setUnavailable(LibFunc::cospi);
|
|
TLI.setUnavailable(LibFunc::cospif);
|
|
TLI.setUnavailable(LibFunc::sincospi_stret);
|
|
TLI.setUnavailable(LibFunc::sincospif_stret);
|
|
}
|
|
|
|
if (T.isMacOSX() && T.getArch() == Triple::x86 &&
|
|
!T.isMacOSXVersionLT(10, 7)) {
|
|
// x86-32 OSX has a scheme where fwrite and fputs (and some other functions
|
|
// we don't care about) have two versions; on recent OSX, the one we want
|
|
// has a $UNIX2003 suffix. The two implementations are identical except
|
|
// for the return value in some edge cases. However, we don't want to
|
|
// generate code that depends on the old symbols.
|
|
TLI.setAvailableWithName(LibFunc::fwrite, "fwrite$UNIX2003");
|
|
TLI.setAvailableWithName(LibFunc::fputs, "fputs$UNIX2003");
|
|
}
|
|
|
|
// iprintf and friends are only available on XCore and TCE.
|
|
if (T.getArch() != Triple::xcore && T.getArch() != Triple::tce) {
|
|
TLI.setUnavailable(LibFunc::iprintf);
|
|
TLI.setUnavailable(LibFunc::siprintf);
|
|
TLI.setUnavailable(LibFunc::fiprintf);
|
|
}
|
|
|
|
if (T.isOSWindows() && !T.isOSCygMing()) {
|
|
// Win32 does not support long double
|
|
TLI.setUnavailable(LibFunc::acosl);
|
|
TLI.setUnavailable(LibFunc::asinl);
|
|
TLI.setUnavailable(LibFunc::atanl);
|
|
TLI.setUnavailable(LibFunc::atan2l);
|
|
TLI.setUnavailable(LibFunc::ceill);
|
|
TLI.setUnavailable(LibFunc::copysignl);
|
|
TLI.setUnavailable(LibFunc::cosl);
|
|
TLI.setUnavailable(LibFunc::coshl);
|
|
TLI.setUnavailable(LibFunc::expl);
|
|
TLI.setUnavailable(LibFunc::fabsf); // Win32 and Win64 both lack fabsf
|
|
TLI.setUnavailable(LibFunc::fabsl);
|
|
TLI.setUnavailable(LibFunc::floorl);
|
|
TLI.setUnavailable(LibFunc::fmaxl);
|
|
TLI.setUnavailable(LibFunc::fminl);
|
|
TLI.setUnavailable(LibFunc::fmodl);
|
|
TLI.setUnavailable(LibFunc::frexpl);
|
|
TLI.setUnavailable(LibFunc::ldexpf);
|
|
TLI.setUnavailable(LibFunc::ldexpl);
|
|
TLI.setUnavailable(LibFunc::logl);
|
|
TLI.setUnavailable(LibFunc::modfl);
|
|
TLI.setUnavailable(LibFunc::powl);
|
|
TLI.setUnavailable(LibFunc::sinl);
|
|
TLI.setUnavailable(LibFunc::sinhl);
|
|
TLI.setUnavailable(LibFunc::sqrtl);
|
|
TLI.setUnavailable(LibFunc::tanl);
|
|
TLI.setUnavailable(LibFunc::tanhl);
|
|
|
|
// Win32 only has C89 math
|
|
TLI.setUnavailable(LibFunc::acosh);
|
|
TLI.setUnavailable(LibFunc::acoshf);
|
|
TLI.setUnavailable(LibFunc::acoshl);
|
|
TLI.setUnavailable(LibFunc::asinh);
|
|
TLI.setUnavailable(LibFunc::asinhf);
|
|
TLI.setUnavailable(LibFunc::asinhl);
|
|
TLI.setUnavailable(LibFunc::atanh);
|
|
TLI.setUnavailable(LibFunc::atanhf);
|
|
TLI.setUnavailable(LibFunc::atanhl);
|
|
TLI.setUnavailable(LibFunc::cbrt);
|
|
TLI.setUnavailable(LibFunc::cbrtf);
|
|
TLI.setUnavailable(LibFunc::cbrtl);
|
|
TLI.setUnavailable(LibFunc::exp2);
|
|
TLI.setUnavailable(LibFunc::exp2f);
|
|
TLI.setUnavailable(LibFunc::exp2l);
|
|
TLI.setUnavailable(LibFunc::expm1);
|
|
TLI.setUnavailable(LibFunc::expm1f);
|
|
TLI.setUnavailable(LibFunc::expm1l);
|
|
TLI.setUnavailable(LibFunc::log2);
|
|
TLI.setUnavailable(LibFunc::log2f);
|
|
TLI.setUnavailable(LibFunc::log2l);
|
|
TLI.setUnavailable(LibFunc::log1p);
|
|
TLI.setUnavailable(LibFunc::log1pf);
|
|
TLI.setUnavailable(LibFunc::log1pl);
|
|
TLI.setUnavailable(LibFunc::logb);
|
|
TLI.setUnavailable(LibFunc::logbf);
|
|
TLI.setUnavailable(LibFunc::logbl);
|
|
TLI.setUnavailable(LibFunc::nearbyint);
|
|
TLI.setUnavailable(LibFunc::nearbyintf);
|
|
TLI.setUnavailable(LibFunc::nearbyintl);
|
|
TLI.setUnavailable(LibFunc::rint);
|
|
TLI.setUnavailable(LibFunc::rintf);
|
|
TLI.setUnavailable(LibFunc::rintl);
|
|
TLI.setUnavailable(LibFunc::round);
|
|
TLI.setUnavailable(LibFunc::roundf);
|
|
TLI.setUnavailable(LibFunc::roundl);
|
|
TLI.setUnavailable(LibFunc::trunc);
|
|
TLI.setUnavailable(LibFunc::truncf);
|
|
TLI.setUnavailable(LibFunc::truncl);
|
|
|
|
// Win32 provides some C99 math with mangled names
|
|
TLI.setAvailableWithName(LibFunc::copysign, "_copysign");
|
|
|
|
if (T.getArch() == Triple::x86) {
|
|
// Win32 on x86 implements single-precision math functions as macros
|
|
TLI.setUnavailable(LibFunc::acosf);
|
|
TLI.setUnavailable(LibFunc::asinf);
|
|
TLI.setUnavailable(LibFunc::atanf);
|
|
TLI.setUnavailable(LibFunc::atan2f);
|
|
TLI.setUnavailable(LibFunc::ceilf);
|
|
TLI.setUnavailable(LibFunc::copysignf);
|
|
TLI.setUnavailable(LibFunc::cosf);
|
|
TLI.setUnavailable(LibFunc::coshf);
|
|
TLI.setUnavailable(LibFunc::expf);
|
|
TLI.setUnavailable(LibFunc::floorf);
|
|
TLI.setUnavailable(LibFunc::fminf);
|
|
TLI.setUnavailable(LibFunc::fmaxf);
|
|
TLI.setUnavailable(LibFunc::fmodf);
|
|
TLI.setUnavailable(LibFunc::logf);
|
|
TLI.setUnavailable(LibFunc::powf);
|
|
TLI.setUnavailable(LibFunc::sinf);
|
|
TLI.setUnavailable(LibFunc::sinhf);
|
|
TLI.setUnavailable(LibFunc::sqrtf);
|
|
TLI.setUnavailable(LibFunc::tanf);
|
|
TLI.setUnavailable(LibFunc::tanhf);
|
|
}
|
|
|
|
// Win32 does *not* provide provide these functions, but they are
|
|
// generally available on POSIX-compliant systems:
|
|
TLI.setUnavailable(LibFunc::access);
|
|
TLI.setUnavailable(LibFunc::bcmp);
|
|
TLI.setUnavailable(LibFunc::bcopy);
|
|
TLI.setUnavailable(LibFunc::bzero);
|
|
TLI.setUnavailable(LibFunc::chmod);
|
|
TLI.setUnavailable(LibFunc::chown);
|
|
TLI.setUnavailable(LibFunc::closedir);
|
|
TLI.setUnavailable(LibFunc::ctermid);
|
|
TLI.setUnavailable(LibFunc::fdopen);
|
|
TLI.setUnavailable(LibFunc::ffs);
|
|
TLI.setUnavailable(LibFunc::fileno);
|
|
TLI.setUnavailable(LibFunc::flockfile);
|
|
TLI.setUnavailable(LibFunc::fseeko);
|
|
TLI.setUnavailable(LibFunc::fstat);
|
|
TLI.setUnavailable(LibFunc::fstatvfs);
|
|
TLI.setUnavailable(LibFunc::ftello);
|
|
TLI.setUnavailable(LibFunc::ftrylockfile);
|
|
TLI.setUnavailable(LibFunc::funlockfile);
|
|
TLI.setUnavailable(LibFunc::getc_unlocked);
|
|
TLI.setUnavailable(LibFunc::getitimer);
|
|
TLI.setUnavailable(LibFunc::getlogin_r);
|
|
TLI.setUnavailable(LibFunc::getpwnam);
|
|
TLI.setUnavailable(LibFunc::gettimeofday);
|
|
TLI.setUnavailable(LibFunc::htonl);
|
|
TLI.setUnavailable(LibFunc::htons);
|
|
TLI.setUnavailable(LibFunc::lchown);
|
|
TLI.setUnavailable(LibFunc::lstat);
|
|
TLI.setUnavailable(LibFunc::memccpy);
|
|
TLI.setUnavailable(LibFunc::mkdir);
|
|
TLI.setUnavailable(LibFunc::ntohl);
|
|
TLI.setUnavailable(LibFunc::ntohs);
|
|
TLI.setUnavailable(LibFunc::open);
|
|
TLI.setUnavailable(LibFunc::opendir);
|
|
TLI.setUnavailable(LibFunc::pclose);
|
|
TLI.setUnavailable(LibFunc::popen);
|
|
TLI.setUnavailable(LibFunc::pread);
|
|
TLI.setUnavailable(LibFunc::pwrite);
|
|
TLI.setUnavailable(LibFunc::read);
|
|
TLI.setUnavailable(LibFunc::readlink);
|
|
TLI.setUnavailable(LibFunc::realpath);
|
|
TLI.setUnavailable(LibFunc::rmdir);
|
|
TLI.setUnavailable(LibFunc::setitimer);
|
|
TLI.setUnavailable(LibFunc::stat);
|
|
TLI.setUnavailable(LibFunc::statvfs);
|
|
TLI.setUnavailable(LibFunc::stpcpy);
|
|
TLI.setUnavailable(LibFunc::stpncpy);
|
|
TLI.setUnavailable(LibFunc::strcasecmp);
|
|
TLI.setUnavailable(LibFunc::strncasecmp);
|
|
TLI.setUnavailable(LibFunc::times);
|
|
TLI.setUnavailable(LibFunc::uname);
|
|
TLI.setUnavailable(LibFunc::unlink);
|
|
TLI.setUnavailable(LibFunc::unsetenv);
|
|
TLI.setUnavailable(LibFunc::utime);
|
|
TLI.setUnavailable(LibFunc::utimes);
|
|
TLI.setUnavailable(LibFunc::write);
|
|
|
|
// Win32 does *not* provide provide these functions, but they are
|
|
// specified by C99:
|
|
TLI.setUnavailable(LibFunc::atoll);
|
|
TLI.setUnavailable(LibFunc::frexpf);
|
|
TLI.setUnavailable(LibFunc::llabs);
|
|
}
|
|
|
|
switch (T.getOS()) {
|
|
case Triple::MacOSX:
|
|
// exp10 and exp10f are not available on OS X until 10.9 and iOS until 7.0
|
|
// and their names are __exp10 and __exp10f. exp10l is not available on
|
|
// OS X or iOS.
|
|
TLI.setUnavailable(LibFunc::exp10l);
|
|
if (T.isMacOSXVersionLT(10, 9)) {
|
|
TLI.setUnavailable(LibFunc::exp10);
|
|
TLI.setUnavailable(LibFunc::exp10f);
|
|
} else {
|
|
TLI.setAvailableWithName(LibFunc::exp10, "__exp10");
|
|
TLI.setAvailableWithName(LibFunc::exp10f, "__exp10f");
|
|
}
|
|
break;
|
|
case Triple::IOS:
|
|
TLI.setUnavailable(LibFunc::exp10l);
|
|
if (T.isOSVersionLT(7, 0)) {
|
|
TLI.setUnavailable(LibFunc::exp10);
|
|
TLI.setUnavailable(LibFunc::exp10f);
|
|
} else {
|
|
TLI.setAvailableWithName(LibFunc::exp10, "__exp10");
|
|
TLI.setAvailableWithName(LibFunc::exp10f, "__exp10f");
|
|
}
|
|
break;
|
|
case Triple::Linux:
|
|
// exp10, exp10f, exp10l is available on Linux (GLIBC) but are extremely
|
|
// buggy prior to glibc version 2.18. Until this version is widely deployed
|
|
// or we have a reasonable detection strategy, we cannot use exp10 reliably
|
|
// on Linux.
|
|
//
|
|
// Fall through to disable all of them.
|
|
default:
|
|
TLI.setUnavailable(LibFunc::exp10);
|
|
TLI.setUnavailable(LibFunc::exp10f);
|
|
TLI.setUnavailable(LibFunc::exp10l);
|
|
}
|
|
|
|
// ffsl is available on at least Darwin, Mac OS X, iOS, FreeBSD, and
|
|
// Linux (GLIBC):
|
|
// http://developer.apple.com/library/mac/#documentation/Darwin/Reference/ManPages/man3/ffsl.3.html
|
|
// http://svn.freebsd.org/base/user/eri/pf45/head/lib/libc/string/ffsl.c
|
|
// http://www.gnu.org/software/gnulib/manual/html_node/ffsl.html
|
|
switch (T.getOS()) {
|
|
case Triple::Darwin:
|
|
case Triple::MacOSX:
|
|
case Triple::IOS:
|
|
case Triple::FreeBSD:
|
|
case Triple::Linux:
|
|
break;
|
|
default:
|
|
TLI.setUnavailable(LibFunc::ffsl);
|
|
}
|
|
|
|
// ffsll is available on at least FreeBSD and Linux (GLIBC):
|
|
// http://svn.freebsd.org/base/user/eri/pf45/head/lib/libc/string/ffsll.c
|
|
// http://www.gnu.org/software/gnulib/manual/html_node/ffsll.html
|
|
switch (T.getOS()) {
|
|
case Triple::FreeBSD:
|
|
case Triple::Linux:
|
|
break;
|
|
default:
|
|
TLI.setUnavailable(LibFunc::ffsll);
|
|
}
|
|
|
|
// The following functions are available on at least Linux:
|
|
if (!T.isOSLinux()) {
|
|
TLI.setUnavailable(LibFunc::dunder_strdup);
|
|
TLI.setUnavailable(LibFunc::dunder_strtok_r);
|
|
TLI.setUnavailable(LibFunc::dunder_isoc99_scanf);
|
|
TLI.setUnavailable(LibFunc::dunder_isoc99_sscanf);
|
|
TLI.setUnavailable(LibFunc::under_IO_getc);
|
|
TLI.setUnavailable(LibFunc::under_IO_putc);
|
|
TLI.setUnavailable(LibFunc::memalign);
|
|
TLI.setUnavailable(LibFunc::fopen64);
|
|
TLI.setUnavailable(LibFunc::fseeko64);
|
|
TLI.setUnavailable(LibFunc::fstat64);
|
|
TLI.setUnavailable(LibFunc::fstatvfs64);
|
|
TLI.setUnavailable(LibFunc::ftello64);
|
|
TLI.setUnavailable(LibFunc::lstat64);
|
|
TLI.setUnavailable(LibFunc::open64);
|
|
TLI.setUnavailable(LibFunc::stat64);
|
|
TLI.setUnavailable(LibFunc::statvfs64);
|
|
TLI.setUnavailable(LibFunc::tmpfile64);
|
|
}
|
|
|
|
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) {
|
|
memcpy(AvailableArray, TLI.AvailableArray, sizeof(AvailableArray));
|
|
VectorDescs = TLI.VectorDescs;
|
|
ScalarDescs = TLI.ScalarDescs;
|
|
}
|
|
|
|
TargetLibraryInfoImpl::TargetLibraryInfoImpl(TargetLibraryInfoImpl &&TLI)
|
|
: CustomNames(std::move(TLI.CustomNames)) {
|
|
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;
|
|
memcpy(AvailableArray, TLI.AvailableArray, sizeof(AvailableArray));
|
|
return *this;
|
|
}
|
|
|
|
TargetLibraryInfoImpl &TargetLibraryInfoImpl::operator=(TargetLibraryInfoImpl &&TLI) {
|
|
CustomNames = std::move(TLI.CustomNames);
|
|
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::getRealLinkageName(funcName);
|
|
}
|
|
|
|
bool TargetLibraryInfoImpl::getLibFunc(StringRef funcName,
|
|
LibFunc::Func &F) const {
|
|
const char *const *Start = &StandardNames[0];
|
|
const char *const *End = &StandardNames[LibFunc::NumLibFuncs];
|
|
|
|
funcName = sanitizeFunctionName(funcName);
|
|
if (funcName.empty())
|
|
return false;
|
|
|
|
const char *const *I = std::lower_bound(
|
|
Start, End, funcName, [](const char *LHS, StringRef RHS) {
|
|
return std::strncmp(LHS, RHS.data(), RHS.size()) < 0;
|
|
});
|
|
if (I != End && *I == funcName) {
|
|
F = (LibFunc::Func)(I - Start);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void TargetLibraryInfoImpl::disableAllFunctions() {
|
|
memset(AvailableArray, 0, sizeof(AvailableArray));
|
|
}
|
|
|
|
static bool compareByScalarFnName(const VecDesc &LHS, const VecDesc &RHS) {
|
|
return std::strncmp(LHS.ScalarFnName, RHS.ScalarFnName,
|
|
std::strlen(RHS.ScalarFnName)) < 0;
|
|
}
|
|
|
|
static bool compareByVectorFnName(const VecDesc &LHS, const VecDesc &RHS) {
|
|
return std::strncmp(LHS.VectorFnName, RHS.VectorFnName,
|
|
std::strlen(RHS.VectorFnName)) < 0;
|
|
}
|
|
|
|
static bool compareWithScalarFnName(const VecDesc &LHS, StringRef S) {
|
|
return std::strncmp(LHS.ScalarFnName, S.data(), S.size()) < 0;
|
|
}
|
|
|
|
static bool compareWithVectorFnName(const VecDesc &LHS, StringRef S) {
|
|
return std::strncmp(LHS.VectorFnName, S.data(), S.size()) < 0;
|
|
}
|
|
|
|
void TargetLibraryInfoImpl::addVectorizableFunctions(ArrayRef<VecDesc> Fns) {
|
|
VectorDescs.insert(VectorDescs.end(), Fns.begin(), Fns.end());
|
|
std::sort(VectorDescs.begin(), VectorDescs.end(), compareByScalarFnName);
|
|
|
|
ScalarDescs.insert(ScalarDescs.end(), Fns.begin(), Fns.end());
|
|
std::sort(ScalarDescs.begin(), ScalarDescs.end(), compareByVectorFnName);
|
|
}
|
|
|
|
void TargetLibraryInfoImpl::addVectorizableFunctionsFromVecLib(
|
|
enum VectorLibrary VecLib) {
|
|
switch (VecLib) {
|
|
case Accelerate: {
|
|
const VecDesc VecFuncs[] = {
|
|
{"expf", "vexpf", 4},
|
|
{"llvm.exp.f32", "vexpf", 4},
|
|
{"logf", "vlogf", 4},
|
|
{"llvm.log.f32", "vlogf", 4},
|
|
{"sqrtf", "vsqrtf", 4},
|
|
{"llvm.sqrt.f32", "vsqrtf", 4},
|
|
{"fabsf", "vfabsf", 4},
|
|
{"llvm.fabs.f32", "vfabsf", 4},
|
|
};
|
|
addVectorizableFunctions(VecFuncs);
|
|
break;
|
|
}
|
|
case NoLibrary:
|
|
break;
|
|
}
|
|
}
|
|
|
|
bool TargetLibraryInfoImpl::isFunctionVectorizable(StringRef funcName) const {
|
|
funcName = sanitizeFunctionName(funcName);
|
|
if (funcName.empty())
|
|
return false;
|
|
|
|
std::vector<VecDesc>::const_iterator I = std::lower_bound(
|
|
VectorDescs.begin(), VectorDescs.end(), funcName,
|
|
compareWithScalarFnName);
|
|
return I != VectorDescs.end() && StringRef(I->ScalarFnName) == funcName;
|
|
}
|
|
|
|
StringRef TargetLibraryInfoImpl::getVectorizedFunction(StringRef F,
|
|
unsigned VF) const {
|
|
F = sanitizeFunctionName(F);
|
|
if (F.empty())
|
|
return F;
|
|
std::vector<VecDesc>::const_iterator I = std::lower_bound(
|
|
VectorDescs.begin(), VectorDescs.end(), F, compareWithScalarFnName);
|
|
while (I != VectorDescs.end() && StringRef(I->ScalarFnName) == F) {
|
|
if (I->VectorizationFactor == VF)
|
|
return I->VectorFnName;
|
|
++I;
|
|
}
|
|
return StringRef();
|
|
}
|
|
|
|
StringRef TargetLibraryInfoImpl::getScalarizedFunction(StringRef F,
|
|
unsigned &VF) const {
|
|
F = sanitizeFunctionName(F);
|
|
if (F.empty())
|
|
return F;
|
|
|
|
std::vector<VecDesc>::const_iterator I = std::lower_bound(
|
|
ScalarDescs.begin(), ScalarDescs.end(), F, compareWithVectorFnName);
|
|
if (I == VectorDescs.end() || StringRef(I->VectorFnName) != F)
|
|
return StringRef();
|
|
VF = I->VectorizationFactor;
|
|
return I->ScalarFnName;
|
|
}
|
|
|
|
TargetLibraryInfo TargetLibraryAnalysis::run(Module &M) {
|
|
if (PresetInfoImpl)
|
|
return TargetLibraryInfo(*PresetInfoImpl);
|
|
|
|
return TargetLibraryInfo(lookupInfoImpl(Triple(M.getTargetTriple())));
|
|
}
|
|
|
|
TargetLibraryInfo TargetLibraryAnalysis::run(Function &F) {
|
|
if (PresetInfoImpl)
|
|
return TargetLibraryInfo(*PresetInfoImpl);
|
|
|
|
return TargetLibraryInfo(
|
|
lookupInfoImpl(Triple(F.getParent()->getTargetTriple())));
|
|
}
|
|
|
|
TargetLibraryInfoImpl &TargetLibraryAnalysis::lookupInfoImpl(Triple T) {
|
|
std::unique_ptr<TargetLibraryInfoImpl> &Impl =
|
|
Impls[T.normalize()];
|
|
if (!Impl)
|
|
Impl.reset(new TargetLibraryInfoImpl(T));
|
|
|
|
return *Impl;
|
|
}
|
|
|
|
|
|
TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass()
|
|
: ImmutablePass(ID), TLIImpl(), TLI(TLIImpl) {
|
|
initializeTargetLibraryInfoWrapperPassPass(*PassRegistry::getPassRegistry());
|
|
}
|
|
|
|
TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass(const Triple &T)
|
|
: ImmutablePass(ID), TLIImpl(T), TLI(TLIImpl) {
|
|
initializeTargetLibraryInfoWrapperPassPass(*PassRegistry::getPassRegistry());
|
|
}
|
|
|
|
TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass(
|
|
const TargetLibraryInfoImpl &TLIImpl)
|
|
: ImmutablePass(ID), TLIImpl(TLIImpl), TLI(this->TLIImpl) {
|
|
initializeTargetLibraryInfoWrapperPassPass(*PassRegistry::getPassRegistry());
|
|
}
|
|
|
|
char TargetLibraryAnalysis::PassID;
|
|
|
|
// Register the basic pass.
|
|
INITIALIZE_PASS(TargetLibraryInfoWrapperPass, "targetlibinfo",
|
|
"Target Library Information", false, true)
|
|
char TargetLibraryInfoWrapperPass::ID = 0;
|
|
|
|
void TargetLibraryInfoWrapperPass::anchor() {}
|