1 //===-- TargetLibraryInfo.cpp - Runtime library information ----------------==//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements the TargetLibraryInfo class.
12 //===----------------------------------------------------------------------===//
14 #include "llvm/Analysis/TargetLibraryInfo.h"
15 #include "llvm/ADT/Triple.h"
16 #include "llvm/Support/CommandLine.h"
19 static cl::opt<TargetLibraryInfoImpl::VectorLibrary> ClVectorLibrary(
20 "vector-library", cl::Hidden, cl::desc("Vector functions library"),
21 cl::init(TargetLibraryInfoImpl::NoLibrary),
22 cl::values(clEnumValN(TargetLibraryInfoImpl::NoLibrary, "none",
23 "No vector functions library"),
24 clEnumValN(TargetLibraryInfoImpl::Accelerate, "Accelerate",
25 "Accelerate framework"),
28 const char *const TargetLibraryInfoImpl::StandardNames[LibFunc::NumLibFuncs] = {
29 #define TLI_DEFINE_STRING
30 #include "llvm/Analysis/TargetLibraryInfo.def"
33 static bool hasSinCosPiStret(const Triple &T) {
34 // Only Darwin variants have _stret versions of combined trig functions.
38 // The ABI is rather complicated on x86, so don't do anything special there.
39 if (T.getArch() == Triple::x86)
42 if (T.isMacOSX() && T.isMacOSXVersionLT(10, 9))
45 if (T.isiOS() && T.isOSVersionLT(7, 0))
51 /// initialize - Initialize the set of available library functions based on the
52 /// specified target triple. This should be carefully written so that a missing
53 /// target triple gets a sane set of defaults.
54 static void initialize(TargetLibraryInfoImpl &TLI, const Triple &T,
55 const char *const *StandardNames) {
57 // Verify that the StandardNames array is in alphabetical order.
58 for (unsigned F = 1; F < LibFunc::NumLibFuncs; ++F) {
59 if (strcmp(StandardNames[F-1], StandardNames[F]) >= 0)
60 llvm_unreachable("TargetLibraryInfoImpl function names must be sorted");
64 // There are no library implementations of mempcy and memset for AMD gpus and
65 // these can be difficult to lower in the backend.
66 if (T.getArch() == Triple::r600 ||
67 T.getArch() == Triple::amdgcn ||
68 T.getArch() == Triple::wasm32 ||
69 T.getArch() == Triple::wasm64) {
70 TLI.setUnavailable(LibFunc::memcpy);
71 TLI.setUnavailable(LibFunc::memset);
72 TLI.setUnavailable(LibFunc::memset_pattern16);
76 // memset_pattern16 is only available on iOS 3.0 and Mac OS X 10.5 and later.
77 // All versions of watchOS support it.
79 if (T.isMacOSXVersionLT(10, 5))
80 TLI.setUnavailable(LibFunc::memset_pattern16);
81 } else if (T.isiOS()) {
82 if (T.isOSVersionLT(3, 0))
83 TLI.setUnavailable(LibFunc::memset_pattern16);
84 } else if (!T.isWatchOS()) {
85 TLI.setUnavailable(LibFunc::memset_pattern16);
88 if (!hasSinCosPiStret(T)) {
89 TLI.setUnavailable(LibFunc::sinpi);
90 TLI.setUnavailable(LibFunc::sinpif);
91 TLI.setUnavailable(LibFunc::cospi);
92 TLI.setUnavailable(LibFunc::cospif);
93 TLI.setUnavailable(LibFunc::sincospi_stret);
94 TLI.setUnavailable(LibFunc::sincospif_stret);
97 if (T.isMacOSX() && T.getArch() == Triple::x86 &&
98 !T.isMacOSXVersionLT(10, 7)) {
99 // x86-32 OSX has a scheme where fwrite and fputs (and some other functions
100 // we don't care about) have two versions; on recent OSX, the one we want
101 // has a $UNIX2003 suffix. The two implementations are identical except
102 // for the return value in some edge cases. However, we don't want to
103 // generate code that depends on the old symbols.
104 TLI.setAvailableWithName(LibFunc::fwrite, "fwrite$UNIX2003");
105 TLI.setAvailableWithName(LibFunc::fputs, "fputs$UNIX2003");
108 // iprintf and friends are only available on XCore and TCE.
109 if (T.getArch() != Triple::xcore && T.getArch() != Triple::tce) {
110 TLI.setUnavailable(LibFunc::iprintf);
111 TLI.setUnavailable(LibFunc::siprintf);
112 TLI.setUnavailable(LibFunc::fiprintf);
115 if (T.isOSWindows() && !T.isOSCygMing()) {
116 // Win32 does not support long double
117 TLI.setUnavailable(LibFunc::acosl);
118 TLI.setUnavailable(LibFunc::asinl);
119 TLI.setUnavailable(LibFunc::atanl);
120 TLI.setUnavailable(LibFunc::atan2l);
121 TLI.setUnavailable(LibFunc::ceill);
122 TLI.setUnavailable(LibFunc::copysignl);
123 TLI.setUnavailable(LibFunc::cosl);
124 TLI.setUnavailable(LibFunc::coshl);
125 TLI.setUnavailable(LibFunc::expl);
126 TLI.setUnavailable(LibFunc::fabsf); // Win32 and Win64 both lack fabsf
127 TLI.setUnavailable(LibFunc::fabsl);
128 TLI.setUnavailable(LibFunc::floorl);
129 TLI.setUnavailable(LibFunc::fmaxl);
130 TLI.setUnavailable(LibFunc::fminl);
131 TLI.setUnavailable(LibFunc::fmodl);
132 TLI.setUnavailable(LibFunc::frexpl);
133 TLI.setUnavailable(LibFunc::ldexpf);
134 TLI.setUnavailable(LibFunc::ldexpl);
135 TLI.setUnavailable(LibFunc::logl);
136 TLI.setUnavailable(LibFunc::modfl);
137 TLI.setUnavailable(LibFunc::powl);
138 TLI.setUnavailable(LibFunc::sinl);
139 TLI.setUnavailable(LibFunc::sinhl);
140 TLI.setUnavailable(LibFunc::sqrtl);
141 TLI.setUnavailable(LibFunc::tanl);
142 TLI.setUnavailable(LibFunc::tanhl);
144 // Win32 only has C89 math
145 TLI.setUnavailable(LibFunc::acosh);
146 TLI.setUnavailable(LibFunc::acoshf);
147 TLI.setUnavailable(LibFunc::acoshl);
148 TLI.setUnavailable(LibFunc::asinh);
149 TLI.setUnavailable(LibFunc::asinhf);
150 TLI.setUnavailable(LibFunc::asinhl);
151 TLI.setUnavailable(LibFunc::atanh);
152 TLI.setUnavailable(LibFunc::atanhf);
153 TLI.setUnavailable(LibFunc::atanhl);
154 TLI.setUnavailable(LibFunc::cbrt);
155 TLI.setUnavailable(LibFunc::cbrtf);
156 TLI.setUnavailable(LibFunc::cbrtl);
157 TLI.setUnavailable(LibFunc::exp2);
158 TLI.setUnavailable(LibFunc::exp2f);
159 TLI.setUnavailable(LibFunc::exp2l);
160 TLI.setUnavailable(LibFunc::expm1);
161 TLI.setUnavailable(LibFunc::expm1f);
162 TLI.setUnavailable(LibFunc::expm1l);
163 TLI.setUnavailable(LibFunc::log2);
164 TLI.setUnavailable(LibFunc::log2f);
165 TLI.setUnavailable(LibFunc::log2l);
166 TLI.setUnavailable(LibFunc::log1p);
167 TLI.setUnavailable(LibFunc::log1pf);
168 TLI.setUnavailable(LibFunc::log1pl);
169 TLI.setUnavailable(LibFunc::logb);
170 TLI.setUnavailable(LibFunc::logbf);
171 TLI.setUnavailable(LibFunc::logbl);
172 TLI.setUnavailable(LibFunc::nearbyint);
173 TLI.setUnavailable(LibFunc::nearbyintf);
174 TLI.setUnavailable(LibFunc::nearbyintl);
175 TLI.setUnavailable(LibFunc::rint);
176 TLI.setUnavailable(LibFunc::rintf);
177 TLI.setUnavailable(LibFunc::rintl);
178 TLI.setUnavailable(LibFunc::round);
179 TLI.setUnavailable(LibFunc::roundf);
180 TLI.setUnavailable(LibFunc::roundl);
181 TLI.setUnavailable(LibFunc::trunc);
182 TLI.setUnavailable(LibFunc::truncf);
183 TLI.setUnavailable(LibFunc::truncl);
185 // Win32 provides some C99 math with mangled names
186 TLI.setAvailableWithName(LibFunc::copysign, "_copysign");
188 if (T.getArch() == Triple::x86) {
189 // Win32 on x86 implements single-precision math functions as macros
190 TLI.setUnavailable(LibFunc::acosf);
191 TLI.setUnavailable(LibFunc::asinf);
192 TLI.setUnavailable(LibFunc::atanf);
193 TLI.setUnavailable(LibFunc::atan2f);
194 TLI.setUnavailable(LibFunc::ceilf);
195 TLI.setUnavailable(LibFunc::copysignf);
196 TLI.setUnavailable(LibFunc::cosf);
197 TLI.setUnavailable(LibFunc::coshf);
198 TLI.setUnavailable(LibFunc::expf);
199 TLI.setUnavailable(LibFunc::floorf);
200 TLI.setUnavailable(LibFunc::fminf);
201 TLI.setUnavailable(LibFunc::fmaxf);
202 TLI.setUnavailable(LibFunc::fmodf);
203 TLI.setUnavailable(LibFunc::logf);
204 TLI.setUnavailable(LibFunc::powf);
205 TLI.setUnavailable(LibFunc::sinf);
206 TLI.setUnavailable(LibFunc::sinhf);
207 TLI.setUnavailable(LibFunc::sqrtf);
208 TLI.setUnavailable(LibFunc::tanf);
209 TLI.setUnavailable(LibFunc::tanhf);
212 // Win32 does *not* provide provide these functions, but they are
213 // generally available on POSIX-compliant systems:
214 TLI.setUnavailable(LibFunc::access);
215 TLI.setUnavailable(LibFunc::bcmp);
216 TLI.setUnavailable(LibFunc::bcopy);
217 TLI.setUnavailable(LibFunc::bzero);
218 TLI.setUnavailable(LibFunc::chmod);
219 TLI.setUnavailable(LibFunc::chown);
220 TLI.setUnavailable(LibFunc::closedir);
221 TLI.setUnavailable(LibFunc::ctermid);
222 TLI.setUnavailable(LibFunc::fdopen);
223 TLI.setUnavailable(LibFunc::ffs);
224 TLI.setUnavailable(LibFunc::fileno);
225 TLI.setUnavailable(LibFunc::flockfile);
226 TLI.setUnavailable(LibFunc::fseeko);
227 TLI.setUnavailable(LibFunc::fstat);
228 TLI.setUnavailable(LibFunc::fstatvfs);
229 TLI.setUnavailable(LibFunc::ftello);
230 TLI.setUnavailable(LibFunc::ftrylockfile);
231 TLI.setUnavailable(LibFunc::funlockfile);
232 TLI.setUnavailable(LibFunc::getc_unlocked);
233 TLI.setUnavailable(LibFunc::getitimer);
234 TLI.setUnavailable(LibFunc::getlogin_r);
235 TLI.setUnavailable(LibFunc::getpwnam);
236 TLI.setUnavailable(LibFunc::gettimeofday);
237 TLI.setUnavailable(LibFunc::htonl);
238 TLI.setUnavailable(LibFunc::htons);
239 TLI.setUnavailable(LibFunc::lchown);
240 TLI.setUnavailable(LibFunc::lstat);
241 TLI.setUnavailable(LibFunc::memccpy);
242 TLI.setUnavailable(LibFunc::mkdir);
243 TLI.setUnavailable(LibFunc::ntohl);
244 TLI.setUnavailable(LibFunc::ntohs);
245 TLI.setUnavailable(LibFunc::open);
246 TLI.setUnavailable(LibFunc::opendir);
247 TLI.setUnavailable(LibFunc::pclose);
248 TLI.setUnavailable(LibFunc::popen);
249 TLI.setUnavailable(LibFunc::pread);
250 TLI.setUnavailable(LibFunc::pwrite);
251 TLI.setUnavailable(LibFunc::read);
252 TLI.setUnavailable(LibFunc::readlink);
253 TLI.setUnavailable(LibFunc::realpath);
254 TLI.setUnavailable(LibFunc::rmdir);
255 TLI.setUnavailable(LibFunc::setitimer);
256 TLI.setUnavailable(LibFunc::stat);
257 TLI.setUnavailable(LibFunc::statvfs);
258 TLI.setUnavailable(LibFunc::stpcpy);
259 TLI.setUnavailable(LibFunc::stpncpy);
260 TLI.setUnavailable(LibFunc::strcasecmp);
261 TLI.setUnavailable(LibFunc::strncasecmp);
262 TLI.setUnavailable(LibFunc::times);
263 TLI.setUnavailable(LibFunc::uname);
264 TLI.setUnavailable(LibFunc::unlink);
265 TLI.setUnavailable(LibFunc::unsetenv);
266 TLI.setUnavailable(LibFunc::utime);
267 TLI.setUnavailable(LibFunc::utimes);
268 TLI.setUnavailable(LibFunc::write);
270 // Win32 does *not* provide provide these functions, but they are
272 TLI.setUnavailable(LibFunc::atoll);
273 TLI.setUnavailable(LibFunc::frexpf);
274 TLI.setUnavailable(LibFunc::llabs);
279 // exp10 and exp10f are not available on OS X until 10.9 and iOS until 7.0
280 // and their names are __exp10 and __exp10f. exp10l is not available on
282 TLI.setUnavailable(LibFunc::exp10l);
283 if (T.isMacOSXVersionLT(10, 9)) {
284 TLI.setUnavailable(LibFunc::exp10);
285 TLI.setUnavailable(LibFunc::exp10f);
287 TLI.setAvailableWithName(LibFunc::exp10, "__exp10");
288 TLI.setAvailableWithName(LibFunc::exp10f, "__exp10f");
293 case Triple::WatchOS:
294 TLI.setUnavailable(LibFunc::exp10l);
295 if (!T.isWatchOS() && (T.isOSVersionLT(7, 0) ||
296 (T.isOSVersionLT(9, 0) &&
297 (T.getArch() == Triple::x86 ||
298 T.getArch() == Triple::x86_64)))) {
299 TLI.setUnavailable(LibFunc::exp10);
300 TLI.setUnavailable(LibFunc::exp10f);
302 TLI.setAvailableWithName(LibFunc::exp10, "__exp10");
303 TLI.setAvailableWithName(LibFunc::exp10f, "__exp10f");
307 // exp10, exp10f, exp10l is available on Linux (GLIBC) but are extremely
308 // buggy prior to glibc version 2.18. Until this version is widely deployed
309 // or we have a reasonable detection strategy, we cannot use exp10 reliably
312 // Fall through to disable all of them.
314 TLI.setUnavailable(LibFunc::exp10);
315 TLI.setUnavailable(LibFunc::exp10f);
316 TLI.setUnavailable(LibFunc::exp10l);
319 // ffsl is available on at least Darwin, Mac OS X, iOS, FreeBSD, and
321 // http://developer.apple.com/library/mac/#documentation/Darwin/Reference/ManPages/man3/ffsl.3.html
322 // http://svn.freebsd.org/base/head/lib/libc/string/ffsl.c
323 // http://www.gnu.org/software/gnulib/manual/html_node/ffsl.html
329 case Triple::WatchOS:
330 case Triple::FreeBSD:
334 TLI.setUnavailable(LibFunc::ffsl);
337 // ffsll is available on at least FreeBSD and Linux (GLIBC):
338 // http://svn.freebsd.org/base/head/lib/libc/string/ffsll.c
339 // http://www.gnu.org/software/gnulib/manual/html_node/ffsll.html
345 case Triple::WatchOS:
346 case Triple::FreeBSD:
350 TLI.setUnavailable(LibFunc::ffsll);
353 // The following functions are available on at least FreeBSD:
354 // http://svn.freebsd.org/base/head/lib/libc/string/fls.c
355 // http://svn.freebsd.org/base/head/lib/libc/string/flsl.c
356 // http://svn.freebsd.org/base/head/lib/libc/string/flsll.c
357 if (!T.isOSFreeBSD()) {
358 TLI.setUnavailable(LibFunc::fls);
359 TLI.setUnavailable(LibFunc::flsl);
360 TLI.setUnavailable(LibFunc::flsll);
363 // The following functions are available on at least Linux:
364 if (!T.isOSLinux()) {
365 TLI.setUnavailable(LibFunc::dunder_strdup);
366 TLI.setUnavailable(LibFunc::dunder_strtok_r);
367 TLI.setUnavailable(LibFunc::dunder_isoc99_scanf);
368 TLI.setUnavailable(LibFunc::dunder_isoc99_sscanf);
369 TLI.setUnavailable(LibFunc::under_IO_getc);
370 TLI.setUnavailable(LibFunc::under_IO_putc);
371 TLI.setUnavailable(LibFunc::memalign);
372 TLI.setUnavailable(LibFunc::fopen64);
373 TLI.setUnavailable(LibFunc::fseeko64);
374 TLI.setUnavailable(LibFunc::fstat64);
375 TLI.setUnavailable(LibFunc::fstatvfs64);
376 TLI.setUnavailable(LibFunc::ftello64);
377 TLI.setUnavailable(LibFunc::lstat64);
378 TLI.setUnavailable(LibFunc::open64);
379 TLI.setUnavailable(LibFunc::stat64);
380 TLI.setUnavailable(LibFunc::statvfs64);
381 TLI.setUnavailable(LibFunc::tmpfile64);
384 TLI.addVectorizableFunctionsFromVecLib(ClVectorLibrary);
387 TargetLibraryInfoImpl::TargetLibraryInfoImpl() {
388 // Default to everything being available.
389 memset(AvailableArray, -1, sizeof(AvailableArray));
391 initialize(*this, Triple(), StandardNames);
394 TargetLibraryInfoImpl::TargetLibraryInfoImpl(const Triple &T) {
395 // Default to everything being available.
396 memset(AvailableArray, -1, sizeof(AvailableArray));
398 initialize(*this, T, StandardNames);
401 TargetLibraryInfoImpl::TargetLibraryInfoImpl(const TargetLibraryInfoImpl &TLI)
402 : CustomNames(TLI.CustomNames) {
403 memcpy(AvailableArray, TLI.AvailableArray, sizeof(AvailableArray));
404 VectorDescs = TLI.VectorDescs;
405 ScalarDescs = TLI.ScalarDescs;
408 TargetLibraryInfoImpl::TargetLibraryInfoImpl(TargetLibraryInfoImpl &&TLI)
409 : CustomNames(std::move(TLI.CustomNames)) {
410 std::move(std::begin(TLI.AvailableArray), std::end(TLI.AvailableArray),
412 VectorDescs = TLI.VectorDescs;
413 ScalarDescs = TLI.ScalarDescs;
416 TargetLibraryInfoImpl &TargetLibraryInfoImpl::operator=(const TargetLibraryInfoImpl &TLI) {
417 CustomNames = TLI.CustomNames;
418 memcpy(AvailableArray, TLI.AvailableArray, sizeof(AvailableArray));
422 TargetLibraryInfoImpl &TargetLibraryInfoImpl::operator=(TargetLibraryInfoImpl &&TLI) {
423 CustomNames = std::move(TLI.CustomNames);
424 std::move(std::begin(TLI.AvailableArray), std::end(TLI.AvailableArray),
429 static StringRef sanitizeFunctionName(StringRef funcName) {
430 // Filter out empty names and names containing null bytes, those can't be in
432 if (funcName.empty() || funcName.find('\0') != StringRef::npos)
435 // Check for \01 prefix that is used to mangle __asm declarations and
436 // strip it if present.
437 return GlobalValue::getRealLinkageName(funcName);
440 bool TargetLibraryInfoImpl::getLibFunc(StringRef funcName,
441 LibFunc::Func &F) const {
442 const char *const *Start = &StandardNames[0];
443 const char *const *End = &StandardNames[LibFunc::NumLibFuncs];
445 funcName = sanitizeFunctionName(funcName);
446 if (funcName.empty())
449 const char *const *I = std::lower_bound(
450 Start, End, funcName, [](const char *LHS, StringRef RHS) {
451 return std::strncmp(LHS, RHS.data(), RHS.size()) < 0;
453 if (I != End && *I == funcName) {
454 F = (LibFunc::Func)(I - Start);
460 void TargetLibraryInfoImpl::disableAllFunctions() {
461 memset(AvailableArray, 0, sizeof(AvailableArray));
464 static bool compareByScalarFnName(const VecDesc &LHS, const VecDesc &RHS) {
465 return std::strncmp(LHS.ScalarFnName, RHS.ScalarFnName,
466 std::strlen(RHS.ScalarFnName)) < 0;
469 static bool compareByVectorFnName(const VecDesc &LHS, const VecDesc &RHS) {
470 return std::strncmp(LHS.VectorFnName, RHS.VectorFnName,
471 std::strlen(RHS.VectorFnName)) < 0;
474 static bool compareWithScalarFnName(const VecDesc &LHS, StringRef S) {
475 return std::strncmp(LHS.ScalarFnName, S.data(), S.size()) < 0;
478 static bool compareWithVectorFnName(const VecDesc &LHS, StringRef S) {
479 return std::strncmp(LHS.VectorFnName, S.data(), S.size()) < 0;
482 void TargetLibraryInfoImpl::addVectorizableFunctions(ArrayRef<VecDesc> Fns) {
483 VectorDescs.insert(VectorDescs.end(), Fns.begin(), Fns.end());
484 std::sort(VectorDescs.begin(), VectorDescs.end(), compareByScalarFnName);
486 ScalarDescs.insert(ScalarDescs.end(), Fns.begin(), Fns.end());
487 std::sort(ScalarDescs.begin(), ScalarDescs.end(), compareByVectorFnName);
490 void TargetLibraryInfoImpl::addVectorizableFunctionsFromVecLib(
491 enum VectorLibrary VecLib) {
494 const VecDesc VecFuncs[] = {
495 // Floating-Point Arithmetic and Auxiliary Functions
496 {"ceilf", "vceilf", 4},
497 {"fabsf", "vfabsf", 4},
498 {"llvm.fabs.f32", "vfabsf", 4},
499 {"floorf", "vfloorf", 4},
500 {"sqrtf", "vsqrtf", 4},
501 {"llvm.sqrt.f32", "vsqrtf", 4},
503 // Exponential and Logarithmic Functions
504 {"expf", "vexpf", 4},
505 {"llvm.exp.f32", "vexpf", 4},
506 {"expm1f", "vexpm1f", 4},
507 {"logf", "vlogf", 4},
508 {"llvm.log.f32", "vlogf", 4},
509 {"log1pf", "vlog1pf", 4},
510 {"log10f", "vlog10f", 4},
511 {"llvm.log10.f32", "vlog10f", 4},
512 {"logbf", "vlogbf", 4},
514 // Trigonometric Functions
515 {"sinf", "vsinf", 4},
516 {"llvm.sin.f32", "vsinf", 4},
517 {"cosf", "vcosf", 4},
518 {"llvm.cos.f32", "vcosf", 4},
519 {"tanf", "vtanf", 4},
520 {"asinf", "vasinf", 4},
521 {"acosf", "vacosf", 4},
522 {"atanf", "vatanf", 4},
524 // Hyperbolic Functions
525 {"sinhf", "vsinhf", 4},
526 {"coshf", "vcoshf", 4},
527 {"tanhf", "vtanhf", 4},
528 {"asinhf", "vasinhf", 4},
529 {"acoshf", "vacoshf", 4},
530 {"atanhf", "vatanhf", 4},
532 addVectorizableFunctions(VecFuncs);
540 bool TargetLibraryInfoImpl::isFunctionVectorizable(StringRef funcName) const {
541 funcName = sanitizeFunctionName(funcName);
542 if (funcName.empty())
545 std::vector<VecDesc>::const_iterator I = std::lower_bound(
546 VectorDescs.begin(), VectorDescs.end(), funcName,
547 compareWithScalarFnName);
548 return I != VectorDescs.end() && StringRef(I->ScalarFnName) == funcName;
551 StringRef TargetLibraryInfoImpl::getVectorizedFunction(StringRef F,
553 F = sanitizeFunctionName(F);
556 std::vector<VecDesc>::const_iterator I = std::lower_bound(
557 VectorDescs.begin(), VectorDescs.end(), F, compareWithScalarFnName);
558 while (I != VectorDescs.end() && StringRef(I->ScalarFnName) == F) {
559 if (I->VectorizationFactor == VF)
560 return I->VectorFnName;
566 StringRef TargetLibraryInfoImpl::getScalarizedFunction(StringRef F,
567 unsigned &VF) const {
568 F = sanitizeFunctionName(F);
572 std::vector<VecDesc>::const_iterator I = std::lower_bound(
573 ScalarDescs.begin(), ScalarDescs.end(), F, compareWithVectorFnName);
574 if (I == VectorDescs.end() || StringRef(I->VectorFnName) != F)
576 VF = I->VectorizationFactor;
577 return I->ScalarFnName;
580 TargetLibraryInfo TargetLibraryAnalysis::run(Module &M) {
582 return TargetLibraryInfo(*PresetInfoImpl);
584 return TargetLibraryInfo(lookupInfoImpl(Triple(M.getTargetTriple())));
587 TargetLibraryInfo TargetLibraryAnalysis::run(Function &F) {
589 return TargetLibraryInfo(*PresetInfoImpl);
591 return TargetLibraryInfo(
592 lookupInfoImpl(Triple(F.getParent()->getTargetTriple())));
595 TargetLibraryInfoImpl &TargetLibraryAnalysis::lookupInfoImpl(Triple T) {
596 std::unique_ptr<TargetLibraryInfoImpl> &Impl =
597 Impls[T.normalize()];
599 Impl.reset(new TargetLibraryInfoImpl(T));
605 TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass()
606 : ImmutablePass(ID), TLIImpl(), TLI(TLIImpl) {
607 initializeTargetLibraryInfoWrapperPassPass(*PassRegistry::getPassRegistry());
610 TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass(const Triple &T)
611 : ImmutablePass(ID), TLIImpl(T), TLI(TLIImpl) {
612 initializeTargetLibraryInfoWrapperPassPass(*PassRegistry::getPassRegistry());
615 TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass(
616 const TargetLibraryInfoImpl &TLIImpl)
617 : ImmutablePass(ID), TLIImpl(TLIImpl), TLI(this->TLIImpl) {
618 initializeTargetLibraryInfoWrapperPassPass(*PassRegistry::getPassRegistry());
621 char TargetLibraryAnalysis::PassID;
623 // Register the basic pass.
624 INITIALIZE_PASS(TargetLibraryInfoWrapperPass, "targetlibinfo",
625 "Target Library Information", false, true)
626 char TargetLibraryInfoWrapperPass::ID = 0;
628 void TargetLibraryInfoWrapperPass::anchor() {}