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llvm-mirror/lib/Analysis/TargetLibraryInfo.cpp
Ahmed Bougacha fff706e40a [TLI] Unify LibFunc signature checking. NFCI. 
I tried to be as close as possible to the strongest check that
existed before; cleaning these up properly is left for future work.

Differential Revision: http://reviews.llvm.org/D19469

llvm-svn: 267758
2016-04-27 19:04:35 +00:00

1182 lines
43 KiB
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//===-- 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,
ArrayRef<const char *> StandardNames) {
// Verify that the StandardNames array is in alphabetical order.
assert(std::is_sorted(StandardNames.begin(), StandardNames.end(),
[](const char *LHS, const char *RHS) {
return strcmp(LHS, RHS) < 0;
}) &&
"TargetLibraryInfoImpl function names must be sorted");
if (T.getArch() == Triple::r600 ||
T.getArch() == Triple::amdgcn) {
TLI.setUnavailable(LibFunc::ldexp);
TLI.setUnavailable(LibFunc::ldexpf);
TLI.setUnavailable(LibFunc::ldexpl);
}
// There are no library implementations of mempcy and memset for AMD gpus and
// these can be difficult to lower in the backend.
if (T.getArch() == Triple::r600 ||
T.getArch() == Triple::amdgcn) {
TLI.setUnavailable(LibFunc::memcpy);
TLI.setUnavailable(LibFunc::memset);
TLI.setUnavailable(LibFunc::memset_pattern16);
return;
}
// memset_pattern16 is only available on iOS 3.0 and Mac OS X 10.5 and later.
// All versions of watchOS support it.
if (T.isMacOSX()) {
if (T.isMacOSXVersionLT(10, 5))
TLI.setUnavailable(LibFunc::memset_pattern16);
} else if (T.isiOS()) {
if (T.isOSVersionLT(3, 0))
TLI.setUnavailable(LibFunc::memset_pattern16);
} else if (!T.isWatchOS()) {
TLI.setUnavailable(LibFunc::memset_pattern16);
}
if (!hasSinCosPiStret(T)) {
TLI.setUnavailable(LibFunc::sinpi);
TLI.setUnavailable(LibFunc::sinpif);
TLI.setUnavailable(LibFunc::cospi);
TLI.setUnavailable(LibFunc::cospif);
TLI.setUnavailable(LibFunc::sincospi_stret);
TLI.setUnavailable(LibFunc::sincospif_stret);
}
if (T.isMacOSX() && T.getArch() == Triple::x86 &&
!T.isMacOSXVersionLT(10, 7)) {
// x86-32 OSX has a scheme where fwrite and fputs (and some other functions
// we don't care about) have two versions; on recent OSX, the one we want
// has a $UNIX2003 suffix. The two implementations are identical except
// for the return value in some edge cases. However, we don't want to
// generate code that depends on the old symbols.
TLI.setAvailableWithName(LibFunc::fwrite, "fwrite$UNIX2003");
TLI.setAvailableWithName(LibFunc::fputs, "fputs$UNIX2003");
}
// iprintf and friends are only available on XCore and TCE.
if (T.getArch() != Triple::xcore && T.getArch() != Triple::tce) {
TLI.setUnavailable(LibFunc::iprintf);
TLI.setUnavailable(LibFunc::siprintf);
TLI.setUnavailable(LibFunc::fiprintf);
}
if (T.isOSWindows() && !T.isOSCygMing()) {
// Win32 does not support long double
TLI.setUnavailable(LibFunc::acosl);
TLI.setUnavailable(LibFunc::asinl);
TLI.setUnavailable(LibFunc::atanl);
TLI.setUnavailable(LibFunc::atan2l);
TLI.setUnavailable(LibFunc::ceill);
TLI.setUnavailable(LibFunc::copysignl);
TLI.setUnavailable(LibFunc::cosl);
TLI.setUnavailable(LibFunc::coshl);
TLI.setUnavailable(LibFunc::expl);
TLI.setUnavailable(LibFunc::fabsf); // Win32 and Win64 both lack fabsf
TLI.setUnavailable(LibFunc::fabsl);
TLI.setUnavailable(LibFunc::floorl);
TLI.setUnavailable(LibFunc::fmaxl);
TLI.setUnavailable(LibFunc::fminl);
TLI.setUnavailable(LibFunc::fmodl);
TLI.setUnavailable(LibFunc::frexpl);
TLI.setUnavailable(LibFunc::ldexpf);
TLI.setUnavailable(LibFunc::ldexpl);
TLI.setUnavailable(LibFunc::logl);
TLI.setUnavailable(LibFunc::modfl);
TLI.setUnavailable(LibFunc::powl);
TLI.setUnavailable(LibFunc::sinl);
TLI.setUnavailable(LibFunc::sinhl);
TLI.setUnavailable(LibFunc::sqrtl);
TLI.setUnavailable(LibFunc::tanl);
TLI.setUnavailable(LibFunc::tanhl);
// Win32 only has C89 math
TLI.setUnavailable(LibFunc::acosh);
TLI.setUnavailable(LibFunc::acoshf);
TLI.setUnavailable(LibFunc::acoshl);
TLI.setUnavailable(LibFunc::asinh);
TLI.setUnavailable(LibFunc::asinhf);
TLI.setUnavailable(LibFunc::asinhl);
TLI.setUnavailable(LibFunc::atanh);
TLI.setUnavailable(LibFunc::atanhf);
TLI.setUnavailable(LibFunc::atanhl);
TLI.setUnavailable(LibFunc::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:
case Triple::TvOS:
case Triple::WatchOS:
TLI.setUnavailable(LibFunc::exp10l);
if (!T.isWatchOS() && (T.isOSVersionLT(7, 0) ||
(T.isOSVersionLT(9, 0) &&
(T.getArch() == Triple::x86 ||
T.getArch() == Triple::x86_64)))) {
TLI.setUnavailable(LibFunc::exp10);
TLI.setUnavailable(LibFunc::exp10f);
} else {
TLI.setAvailableWithName(LibFunc::exp10, "__exp10");
TLI.setAvailableWithName(LibFunc::exp10f, "__exp10f");
}
break;
case Triple::Linux:
// exp10, exp10f, exp10l is available on Linux (GLIBC) but are extremely
// buggy prior to glibc version 2.18. Until this version is widely deployed
// or we have a reasonable detection strategy, we cannot use exp10 reliably
// on Linux.
//
// Fall through to disable all of them.
default:
TLI.setUnavailable(LibFunc::exp10);
TLI.setUnavailable(LibFunc::exp10f);
TLI.setUnavailable(LibFunc::exp10l);
}
// ffsl is available on at least Darwin, Mac OS X, iOS, FreeBSD, and
// Linux (GLIBC):
// http://developer.apple.com/library/mac/#documentation/Darwin/Reference/ManPages/man3/ffsl.3.html
// http://svn.freebsd.org/base/head/lib/libc/string/ffsl.c
// http://www.gnu.org/software/gnulib/manual/html_node/ffsl.html
switch (T.getOS()) {
case Triple::Darwin:
case Triple::MacOSX:
case Triple::IOS:
case Triple::TvOS:
case Triple::WatchOS:
case Triple::FreeBSD:
case Triple::Linux:
break;
default:
TLI.setUnavailable(LibFunc::ffsl);
}
// ffsll is available on at least FreeBSD and Linux (GLIBC):
// http://svn.freebsd.org/base/head/lib/libc/string/ffsll.c
// http://www.gnu.org/software/gnulib/manual/html_node/ffsll.html
switch (T.getOS()) {
case Triple::Darwin:
case Triple::MacOSX:
case Triple::IOS:
case Triple::TvOS:
case Triple::WatchOS:
case Triple::FreeBSD:
case Triple::Linux:
break;
default:
TLI.setUnavailable(LibFunc::ffsll);
}
// The following functions are available on at least FreeBSD:
// http://svn.freebsd.org/base/head/lib/libc/string/fls.c
// http://svn.freebsd.org/base/head/lib/libc/string/flsl.c
// http://svn.freebsd.org/base/head/lib/libc/string/flsll.c
if (!T.isOSFreeBSD()) {
TLI.setUnavailable(LibFunc::fls);
TLI.setUnavailable(LibFunc::flsl);
TLI.setUnavailable(LibFunc::flsll);
}
// The following functions are available on 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);
}
// 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) {
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;
}
bool TargetLibraryInfoImpl::isValidProtoForLibFunc(const FunctionType &FTy,
LibFunc::Func F,
const DataLayout *DL) const {
LLVMContext &Ctx = FTy.getContext();
Type *PCharTy = Type::getInt8PtrTy(Ctx);
Type *SizeTTy = DL ? DL->getIntPtrType(Ctx, /*AS=*/0) : nullptr;
auto IsSizeTTy = [SizeTTy](Type *Ty) {
return SizeTTy ? Ty == SizeTTy : Ty->isIntegerTy();
};
unsigned NumParams = FTy.getNumParams();
switch (F) {
case LibFunc::strlen:
return (NumParams == 1 && FTy.getParamType(0)->isPointerTy() &&
FTy.getReturnType()->isIntegerTy());
case LibFunc::strchr:
case LibFunc::strrchr:
return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
FTy.getParamType(0) == FTy.getReturnType() &&
FTy.getParamType(1)->isIntegerTy());
case LibFunc::strtol:
case LibFunc::strtod:
case LibFunc::strtof:
case LibFunc::strtoul:
case LibFunc::strtoll:
case LibFunc::strtold:
case LibFunc::strtoull:
return ((NumParams == 2 || NumParams == 3) &&
FTy.getParamType(0)->isPointerTy() &&
FTy.getParamType(1)->isPointerTy());
case LibFunc::strcat:
return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
FTy.getParamType(0) == FTy.getReturnType() &&
FTy.getParamType(1) == FTy.getReturnType());
case LibFunc::strncat:
return (NumParams == 3 && FTy.getReturnType()->isPointerTy() &&
FTy.getParamType(0) == FTy.getReturnType() &&
FTy.getParamType(1) == FTy.getReturnType() &&
FTy.getParamType(2)->isIntegerTy());
case LibFunc::strcpy_chk:
case LibFunc::stpcpy_chk:
--NumParams;
if (!IsSizeTTy(FTy.getParamType(NumParams)))
return false;
// fallthrough
case LibFunc::strcpy:
case LibFunc::stpcpy:
return (NumParams == 2 && FTy.getReturnType() == FTy.getParamType(0) &&
FTy.getParamType(0) == FTy.getParamType(1) &&
FTy.getParamType(0) == PCharTy);
case LibFunc::strncpy_chk:
case LibFunc::stpncpy_chk:
--NumParams;
if (!IsSizeTTy(FTy.getParamType(NumParams)))
return false;
// 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 &&
FTy.getParamType(2)->isIntegerTy());
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) &&
FTy.getParamType(2)->isIntegerTy());
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:
return (NumParams >= 1 && FTy.getParamType(0)->isPointerTy());
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::stat:
case LibFunc::statvfs:
return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
FTy.getParamType(1)->isPointerTy());
case LibFunc::sscanf:
return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
FTy.getParamType(1)->isPointerTy());
case LibFunc::sprintf:
return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
FTy.getParamType(1)->isPointerTy());
case LibFunc::snprintf:
return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
FTy.getParamType(2)->isPointerTy());
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.getParamType(0)->isPointerTy() &&
FTy.getParamType(1)->isPointerTy() &&
FTy.getReturnType()->isIntegerTy(32));
case LibFunc::memchr:
case LibFunc::memrchr:
return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
FTy.getParamType(1)->isIntegerTy(32) &&
FTy.getParamType(2)->isIntegerTy() &&
FTy.getReturnType()->isPointerTy());
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;
// fallthrough
case LibFunc::memcpy:
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;
// fallthrough
case LibFunc::memset:
return (NumParams == 3 && FTy.getReturnType() == FTy.getParamType(0) &&
FTy.getParamType(0)->isPointerTy() &&
FTy.getParamType(1)->isIntegerTy() &&
IsSizeTTy(FTy.getParamType(2)));
case LibFunc::memccpy:
return (NumParams >= 2 && FTy.getParamType(1)->isPointerTy());
case LibFunc::memalign:
return (FTy.getReturnType()->isPointerTy());
case LibFunc::mkdir:
return (NumParams == 0 && FTy.getParamType(0)->isPointerTy());
case LibFunc::mktime:
return (NumParams == 0 && FTy.getParamType(0)->isPointerTy());
case LibFunc::realloc:
return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() &&
FTy.getReturnType()->isPointerTy());
case LibFunc::read:
return (NumParams == 3 && FTy.getParamType(1)->isPointerTy());
case LibFunc::rewind:
return (NumParams >= 1 && FTy.getParamType(0)->isPointerTy());
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:
return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
FTy.getParamType(1)->isPointerTy());
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::chmod:
case LibFunc::chown:
return (NumParams == 0 && FTy.getParamType(0)->isPointerTy());
case LibFunc::ctermid:
case LibFunc::clearerr:
case LibFunc::closedir:
return (NumParams == 0 && FTy.getParamType(0)->isPointerTy());
case LibFunc::atoi:
case LibFunc::atol:
case LibFunc::atof:
case LibFunc::atoll:
return (NumParams == 1 && FTy.getParamType(0)->isPointerTy());
case LibFunc::access:
return (NumParams == 2 && FTy.getParamType(0)->isPointerTy());
case LibFunc::fopen:
return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
FTy.getParamType(0)->isPointerTy() &&
FTy.getParamType(1)->isPointerTy());
case LibFunc::fdopen:
return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
FTy.getParamType(1)->isPointerTy());
case LibFunc::feof:
case LibFunc::free:
case LibFunc::fseek:
case LibFunc::ftell:
case LibFunc::fgetc:
case LibFunc::fseeko:
case LibFunc::ftello:
case LibFunc::fileno:
case LibFunc::fflush:
case LibFunc::fclose:
case LibFunc::fsetpos:
case LibFunc::flockfile:
case LibFunc::funlockfile:
case LibFunc::ftrylockfile:
return (NumParams == 0 && FTy.getParamType(0)->isPointerTy());
case LibFunc::ferror:
return (NumParams == 1 && FTy.getParamType(0)->isPointerTy());
case LibFunc::fputc:
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:
return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
FTy.getParamType(2)->isPointerTy());
case LibFunc::fread:
return (NumParams == 4 && FTy.getParamType(0)->isPointerTy() &&
FTy.getParamType(3)->isPointerTy());
case LibFunc::fwrite:
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:
return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
FTy.getParamType(1)->isPointerTy());
case LibFunc::fscanf:
case LibFunc::fprintf:
return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
FTy.getParamType(1)->isPointerTy());
case LibFunc::fgetpos:
return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
FTy.getParamType(1)->isPointerTy());
case LibFunc::getc:
case LibFunc::getlogin_r:
case LibFunc::getc_unlocked:
return (NumParams == 0 && FTy.getParamType(0)->isPointerTy());
case LibFunc::getenv:
return (NumParams == 1 && FTy.getParamType(0)->isPointerTy());
case LibFunc::gets:
case LibFunc::getchar:
case LibFunc::getitimer:
return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
case LibFunc::getpwnam:
return (NumParams == 1 && FTy.getParamType(0)->isPointerTy());
case LibFunc::ungetc:
return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
case LibFunc::uname:
return (NumParams == 1 && FTy.getParamType(0)->isPointerTy());
case LibFunc::unlink:
return (NumParams == 1 && FTy.getParamType(0)->isPointerTy());
case LibFunc::unsetenv:
return (NumParams == 1 && FTy.getParamType(0)->isPointerTy());
case LibFunc::utime:
case LibFunc::utimes:
return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() &&
FTy.getParamType(1)->isPointerTy());
case LibFunc::putc:
return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
case LibFunc::puts:
case LibFunc::printf:
case LibFunc::perror:
return (NumParams == 1 && FTy.getParamType(0)->isPointerTy());
case LibFunc::pread:
case LibFunc::pwrite:
return (NumParams == 4 && FTy.getParamType(1)->isPointerTy());
case LibFunc::putchar:
case LibFunc::popen:
return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
FTy.getParamType(0)->isPointerTy() &&
FTy.getParamType(1)->isPointerTy());
case LibFunc::pclose:
return (NumParams == 1 && FTy.getParamType(0)->isPointerTy());
case LibFunc::vscanf:
return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
case LibFunc::vsscanf:
return (NumParams == 3 && FTy.getParamType(1)->isPointerTy() &&
FTy.getParamType(2)->isPointerTy());
case LibFunc::vfscanf:
return (NumParams == 3 && FTy.getParamType(1)->isPointerTy() &&
FTy.getParamType(2)->isPointerTy());
case LibFunc::valloc:
return (FTy.getReturnType()->isPointerTy());
case LibFunc::vprintf:
return (NumParams == 2 && FTy.getParamType(0)->isPointerTy());
case LibFunc::vfprintf:
case LibFunc::vsprintf:
return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
FTy.getParamType(1)->isPointerTy());
case LibFunc::vsnprintf:
return (NumParams == 4 && FTy.getParamType(0)->isPointerTy() &&
FTy.getParamType(2)->isPointerTy());
case LibFunc::open:
return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy());
case LibFunc::opendir:
return (NumParams == 1 && FTy.getReturnType()->isPointerTy() &&
FTy.getParamType(0)->isPointerTy());
case LibFunc::tmpfile:
return (FTy.getReturnType()->isPointerTy());
case LibFunc::times:
return (NumParams == 1 && FTy.getParamType(0)->isPointerTy());
case LibFunc::htonl:
case LibFunc::htons:
case LibFunc::ntohl:
case LibFunc::ntohs:
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_getc:
return (NumParams == 1 && FTy.getParamType(0)->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 >= 1 && FTy.getParamType(0)->isPointerTy() &&
FTy.getParamType(1)->isPointerTy());
case LibFunc::dunder_isoc99_sscanf:
return (NumParams >= 1 && 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::fseeko64:
case LibFunc::ftello64:
return (NumParams == 0 && FTy.getParamType(0)->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());
case LibFunc::Znwj: // new(unsigned int);
case LibFunc::Znwm: // new(unsigned long);
case LibFunc::Znaj: // new[](unsigned int);
case LibFunc::Znam: // new[](unsigned long);
case LibFunc::msvc_new_int: // new(unsigned int);
case LibFunc::msvc_new_longlong: // new(unsigned long long);
case LibFunc::msvc_new_array_int: // new[](unsigned int);
case LibFunc::msvc_new_array_longlong: // new[](unsigned long long);
return (NumParams == 1);
case LibFunc::memset_pattern16:
return (!FTy.isVarArg() && NumParams == 3 &&
isa<PointerType>(FTy.getParamType(0)) &&
isa<PointerType>(FTy.getParamType(1)) &&
isa<IntegerType>(FTy.getParamType(2)));
// int __nvvm_reflect(const char *);
case LibFunc::nvvm_reflect:
return (NumParams == 1 && isa<PointerType>(FTy.getParamType(0)));
case LibFunc::sin:
case LibFunc::sinf:
case LibFunc::sinl:
case LibFunc::cos:
case LibFunc::cosf:
case LibFunc::cosl:
case LibFunc::exp:
case LibFunc::expf:
case LibFunc::expl:
case LibFunc::exp2:
case LibFunc::exp2f:
case LibFunc::exp2l:
case LibFunc::log:
case LibFunc::logf:
case LibFunc::logl:
case LibFunc::log10:
case LibFunc::log10f:
case LibFunc::log10l:
case LibFunc::log2:
case LibFunc::log2f:
case LibFunc::log2l:
case LibFunc::fabs:
case LibFunc::fabsf:
case LibFunc::fabsl:
case LibFunc::floor:
case LibFunc::floorf:
case LibFunc::floorl:
case LibFunc::ceil:
case LibFunc::ceilf:
case LibFunc::ceill:
case LibFunc::trunc:
case LibFunc::truncf:
case LibFunc::truncl:
case LibFunc::rint:
case LibFunc::rintf:
case LibFunc::rintl:
case LibFunc::nearbyint:
case LibFunc::nearbyintf:
case LibFunc::nearbyintl:
case LibFunc::round:
case LibFunc::roundf:
case LibFunc::roundl:
case LibFunc::sqrt:
case LibFunc::sqrtf:
case LibFunc::sqrtl:
return (NumParams == 1 && FTy.getReturnType()->isFloatingPointTy() &&
FTy.getReturnType() == FTy.getParamType(0));
case LibFunc::fmin:
case LibFunc::fminf:
case LibFunc::fminl:
case LibFunc::fmax:
case LibFunc::fmaxf:
case LibFunc::fmaxl:
case LibFunc::copysign:
case LibFunc::copysignf:
case LibFunc::copysignl:
case LibFunc::pow:
case LibFunc::powf:
case LibFunc::powl:
return (NumParams == 2 && FTy.getReturnType()->isFloatingPointTy() &&
FTy.getReturnType() == FTy.getParamType(0) &&
FTy.getReturnType() == FTy.getParamType(1));
case LibFunc::ffs:
case LibFunc::ffsl:
case LibFunc::ffsll:
case LibFunc::isdigit:
case LibFunc::isascii:
case LibFunc::toascii:
return (NumParams == 1 && FTy.getReturnType()->isIntegerTy(32) &&
FTy.getParamType(0)->isIntegerTy());
case LibFunc::fls:
case LibFunc::flsl:
case LibFunc::flsll:
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));
default:
// Assume the other functions are correct.
// FIXME: It'd be really nice to cover them all.
return true;
}
}
bool TargetLibraryInfoImpl::getLibFunc(const Function &FDecl,
LibFunc::Func &F) const {
const DataLayout *DL =
FDecl.getParent() ? &FDecl.getParent()->getDataLayout() : nullptr;
return getLibFunc(FDecl.getName(), F) &&
isValidProtoForLibFunc(*FDecl.getFunctionType(), F, DL);
}
void TargetLibraryInfoImpl::disableAllFunctions() {
memset(AvailableArray, 0, sizeof(AvailableArray));
}
static bool compareByScalarFnName(const VecDesc &LHS, const VecDesc &RHS) {
return 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[] = {
// Floating-Point Arithmetic and Auxiliary Functions
{"ceilf", "vceilf", 4},
{"fabsf", "vfabsf", 4},
{"llvm.fabs.f32", "vfabsf", 4},
{"floorf", "vfloorf", 4},
{"sqrtf", "vsqrtf", 4},
{"llvm.sqrt.f32", "vsqrtf", 4},
// Exponential and Logarithmic Functions
{"expf", "vexpf", 4},
{"llvm.exp.f32", "vexpf", 4},
{"expm1f", "vexpm1f", 4},
{"logf", "vlogf", 4},
{"llvm.log.f32", "vlogf", 4},
{"log1pf", "vlog1pf", 4},
{"log10f", "vlog10f", 4},
{"llvm.log10.f32", "vlog10f", 4},
{"logbf", "vlogbf", 4},
// Trigonometric Functions
{"sinf", "vsinf", 4},
{"llvm.sin.f32", "vsinf", 4},
{"cosf", "vcosf", 4},
{"llvm.cos.f32", "vcosf", 4},
{"tanf", "vtanf", 4},
{"asinf", "vasinf", 4},
{"acosf", "vacosf", 4},
{"atanf", "vatanf", 4},
// Hyperbolic Functions
{"sinhf", "vsinhf", 4},
{"coshf", "vcoshf", 4},
{"tanhf", "vtanhf", 4},
{"asinhf", "vasinhf", 4},
{"acoshf", "vacoshf", 4},
{"atanhf", "vatanhf", 4},
};
addVectorizableFunctions(VecFuncs);
break;
}
case 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() {}
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