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 ArrayRef<const char *> StandardNames) {
56 // Verify that the StandardNames array is in alphabetical order.
57 assert(std::is_sorted(StandardNames.begin(), StandardNames.end(),
58 [](const char *LHS, const char *RHS) {
59 return strcmp(LHS, RHS) < 0;
61 "TargetLibraryInfoImpl function names must be sorted");
63 if (T.getArch() == Triple::r600 ||
64 T.getArch() == Triple::amdgcn) {
65 TLI.setUnavailable(LibFunc::ldexp);
66 TLI.setUnavailable(LibFunc::ldexpf);
67 TLI.setUnavailable(LibFunc::ldexpl);
70 // There are no library implementations of mempcy and memset for AMD gpus and
71 // these can be difficult to lower in the backend.
72 if (T.getArch() == Triple::r600 ||
73 T.getArch() == Triple::amdgcn ||
74 T.getArch() == Triple::wasm32 ||
75 T.getArch() == Triple::wasm64) {
76 TLI.setUnavailable(LibFunc::memcpy);
77 TLI.setUnavailable(LibFunc::memset);
78 TLI.setUnavailable(LibFunc::memset_pattern16);
82 // memset_pattern16 is only available on iOS 3.0 and Mac OS X 10.5 and later.
83 // All versions of watchOS support it.
85 if (T.isMacOSXVersionLT(10, 5))
86 TLI.setUnavailable(LibFunc::memset_pattern16);
87 } else if (T.isiOS()) {
88 if (T.isOSVersionLT(3, 0))
89 TLI.setUnavailable(LibFunc::memset_pattern16);
90 } else if (!T.isWatchOS()) {
91 TLI.setUnavailable(LibFunc::memset_pattern16);
94 if (!hasSinCosPiStret(T)) {
95 TLI.setUnavailable(LibFunc::sinpi);
96 TLI.setUnavailable(LibFunc::sinpif);
97 TLI.setUnavailable(LibFunc::cospi);
98 TLI.setUnavailable(LibFunc::cospif);
99 TLI.setUnavailable(LibFunc::sincospi_stret);
100 TLI.setUnavailable(LibFunc::sincospif_stret);
103 if (T.isMacOSX() && T.getArch() == Triple::x86 &&
104 !T.isMacOSXVersionLT(10, 7)) {
105 // x86-32 OSX has a scheme where fwrite and fputs (and some other functions
106 // we don't care about) have two versions; on recent OSX, the one we want
107 // has a $UNIX2003 suffix. The two implementations are identical except
108 // for the return value in some edge cases. However, we don't want to
109 // generate code that depends on the old symbols.
110 TLI.setAvailableWithName(LibFunc::fwrite, "fwrite$UNIX2003");
111 TLI.setAvailableWithName(LibFunc::fputs, "fputs$UNIX2003");
114 // iprintf and friends are only available on XCore and TCE.
115 if (T.getArch() != Triple::xcore && T.getArch() != Triple::tce) {
116 TLI.setUnavailable(LibFunc::iprintf);
117 TLI.setUnavailable(LibFunc::siprintf);
118 TLI.setUnavailable(LibFunc::fiprintf);
121 if (T.isOSWindows() && !T.isOSCygMing()) {
122 // Win32 does not support long double
123 TLI.setUnavailable(LibFunc::acosl);
124 TLI.setUnavailable(LibFunc::asinl);
125 TLI.setUnavailable(LibFunc::atanl);
126 TLI.setUnavailable(LibFunc::atan2l);
127 TLI.setUnavailable(LibFunc::ceill);
128 TLI.setUnavailable(LibFunc::copysignl);
129 TLI.setUnavailable(LibFunc::cosl);
130 TLI.setUnavailable(LibFunc::coshl);
131 TLI.setUnavailable(LibFunc::expl);
132 TLI.setUnavailable(LibFunc::fabsf); // Win32 and Win64 both lack fabsf
133 TLI.setUnavailable(LibFunc::fabsl);
134 TLI.setUnavailable(LibFunc::floorl);
135 TLI.setUnavailable(LibFunc::fmaxl);
136 TLI.setUnavailable(LibFunc::fminl);
137 TLI.setUnavailable(LibFunc::fmodl);
138 TLI.setUnavailable(LibFunc::frexpl);
139 TLI.setUnavailable(LibFunc::ldexpf);
140 TLI.setUnavailable(LibFunc::ldexpl);
141 TLI.setUnavailable(LibFunc::logl);
142 TLI.setUnavailable(LibFunc::modfl);
143 TLI.setUnavailable(LibFunc::powl);
144 TLI.setUnavailable(LibFunc::sinl);
145 TLI.setUnavailable(LibFunc::sinhl);
146 TLI.setUnavailable(LibFunc::sqrtl);
147 TLI.setUnavailable(LibFunc::tanl);
148 TLI.setUnavailable(LibFunc::tanhl);
150 // Win32 only has C89 math
151 TLI.setUnavailable(LibFunc::acosh);
152 TLI.setUnavailable(LibFunc::acoshf);
153 TLI.setUnavailable(LibFunc::acoshl);
154 TLI.setUnavailable(LibFunc::asinh);
155 TLI.setUnavailable(LibFunc::asinhf);
156 TLI.setUnavailable(LibFunc::asinhl);
157 TLI.setUnavailable(LibFunc::atanh);
158 TLI.setUnavailable(LibFunc::atanhf);
159 TLI.setUnavailable(LibFunc::atanhl);
160 TLI.setUnavailable(LibFunc::cbrt);
161 TLI.setUnavailable(LibFunc::cbrtf);
162 TLI.setUnavailable(LibFunc::cbrtl);
163 TLI.setUnavailable(LibFunc::exp2);
164 TLI.setUnavailable(LibFunc::exp2f);
165 TLI.setUnavailable(LibFunc::exp2l);
166 TLI.setUnavailable(LibFunc::expm1);
167 TLI.setUnavailable(LibFunc::expm1f);
168 TLI.setUnavailable(LibFunc::expm1l);
169 TLI.setUnavailable(LibFunc::log2);
170 TLI.setUnavailable(LibFunc::log2f);
171 TLI.setUnavailable(LibFunc::log2l);
172 TLI.setUnavailable(LibFunc::log1p);
173 TLI.setUnavailable(LibFunc::log1pf);
174 TLI.setUnavailable(LibFunc::log1pl);
175 TLI.setUnavailable(LibFunc::logb);
176 TLI.setUnavailable(LibFunc::logbf);
177 TLI.setUnavailable(LibFunc::logbl);
178 TLI.setUnavailable(LibFunc::nearbyint);
179 TLI.setUnavailable(LibFunc::nearbyintf);
180 TLI.setUnavailable(LibFunc::nearbyintl);
181 TLI.setUnavailable(LibFunc::rint);
182 TLI.setUnavailable(LibFunc::rintf);
183 TLI.setUnavailable(LibFunc::rintl);
184 TLI.setUnavailable(LibFunc::round);
185 TLI.setUnavailable(LibFunc::roundf);
186 TLI.setUnavailable(LibFunc::roundl);
187 TLI.setUnavailable(LibFunc::trunc);
188 TLI.setUnavailable(LibFunc::truncf);
189 TLI.setUnavailable(LibFunc::truncl);
191 // Win32 provides some C99 math with mangled names
192 TLI.setAvailableWithName(LibFunc::copysign, "_copysign");
194 if (T.getArch() == Triple::x86) {
195 // Win32 on x86 implements single-precision math functions as macros
196 TLI.setUnavailable(LibFunc::acosf);
197 TLI.setUnavailable(LibFunc::asinf);
198 TLI.setUnavailable(LibFunc::atanf);
199 TLI.setUnavailable(LibFunc::atan2f);
200 TLI.setUnavailable(LibFunc::ceilf);
201 TLI.setUnavailable(LibFunc::copysignf);
202 TLI.setUnavailable(LibFunc::cosf);
203 TLI.setUnavailable(LibFunc::coshf);
204 TLI.setUnavailable(LibFunc::expf);
205 TLI.setUnavailable(LibFunc::floorf);
206 TLI.setUnavailable(LibFunc::fminf);
207 TLI.setUnavailable(LibFunc::fmaxf);
208 TLI.setUnavailable(LibFunc::fmodf);
209 TLI.setUnavailable(LibFunc::logf);
210 TLI.setUnavailable(LibFunc::powf);
211 TLI.setUnavailable(LibFunc::sinf);
212 TLI.setUnavailable(LibFunc::sinhf);
213 TLI.setUnavailable(LibFunc::sqrtf);
214 TLI.setUnavailable(LibFunc::tanf);
215 TLI.setUnavailable(LibFunc::tanhf);
218 // Win32 does *not* provide provide these functions, but they are
219 // generally available on POSIX-compliant systems:
220 TLI.setUnavailable(LibFunc::access);
221 TLI.setUnavailable(LibFunc::bcmp);
222 TLI.setUnavailable(LibFunc::bcopy);
223 TLI.setUnavailable(LibFunc::bzero);
224 TLI.setUnavailable(LibFunc::chmod);
225 TLI.setUnavailable(LibFunc::chown);
226 TLI.setUnavailable(LibFunc::closedir);
227 TLI.setUnavailable(LibFunc::ctermid);
228 TLI.setUnavailable(LibFunc::fdopen);
229 TLI.setUnavailable(LibFunc::ffs);
230 TLI.setUnavailable(LibFunc::fileno);
231 TLI.setUnavailable(LibFunc::flockfile);
232 TLI.setUnavailable(LibFunc::fseeko);
233 TLI.setUnavailable(LibFunc::fstat);
234 TLI.setUnavailable(LibFunc::fstatvfs);
235 TLI.setUnavailable(LibFunc::ftello);
236 TLI.setUnavailable(LibFunc::ftrylockfile);
237 TLI.setUnavailable(LibFunc::funlockfile);
238 TLI.setUnavailable(LibFunc::getc_unlocked);
239 TLI.setUnavailable(LibFunc::getitimer);
240 TLI.setUnavailable(LibFunc::getlogin_r);
241 TLI.setUnavailable(LibFunc::getpwnam);
242 TLI.setUnavailable(LibFunc::gettimeofday);
243 TLI.setUnavailable(LibFunc::htonl);
244 TLI.setUnavailable(LibFunc::htons);
245 TLI.setUnavailable(LibFunc::lchown);
246 TLI.setUnavailable(LibFunc::lstat);
247 TLI.setUnavailable(LibFunc::memccpy);
248 TLI.setUnavailable(LibFunc::mkdir);
249 TLI.setUnavailable(LibFunc::ntohl);
250 TLI.setUnavailable(LibFunc::ntohs);
251 TLI.setUnavailable(LibFunc::open);
252 TLI.setUnavailable(LibFunc::opendir);
253 TLI.setUnavailable(LibFunc::pclose);
254 TLI.setUnavailable(LibFunc::popen);
255 TLI.setUnavailable(LibFunc::pread);
256 TLI.setUnavailable(LibFunc::pwrite);
257 TLI.setUnavailable(LibFunc::read);
258 TLI.setUnavailable(LibFunc::readlink);
259 TLI.setUnavailable(LibFunc::realpath);
260 TLI.setUnavailable(LibFunc::rmdir);
261 TLI.setUnavailable(LibFunc::setitimer);
262 TLI.setUnavailable(LibFunc::stat);
263 TLI.setUnavailable(LibFunc::statvfs);
264 TLI.setUnavailable(LibFunc::stpcpy);
265 TLI.setUnavailable(LibFunc::stpncpy);
266 TLI.setUnavailable(LibFunc::strcasecmp);
267 TLI.setUnavailable(LibFunc::strncasecmp);
268 TLI.setUnavailable(LibFunc::times);
269 TLI.setUnavailable(LibFunc::uname);
270 TLI.setUnavailable(LibFunc::unlink);
271 TLI.setUnavailable(LibFunc::unsetenv);
272 TLI.setUnavailable(LibFunc::utime);
273 TLI.setUnavailable(LibFunc::utimes);
274 TLI.setUnavailable(LibFunc::write);
276 // Win32 does *not* provide provide these functions, but they are
278 TLI.setUnavailable(LibFunc::atoll);
279 TLI.setUnavailable(LibFunc::frexpf);
280 TLI.setUnavailable(LibFunc::llabs);
285 // exp10 and exp10f are not available on OS X until 10.9 and iOS until 7.0
286 // and their names are __exp10 and __exp10f. exp10l is not available on
288 TLI.setUnavailable(LibFunc::exp10l);
289 if (T.isMacOSXVersionLT(10, 9)) {
290 TLI.setUnavailable(LibFunc::exp10);
291 TLI.setUnavailable(LibFunc::exp10f);
293 TLI.setAvailableWithName(LibFunc::exp10, "__exp10");
294 TLI.setAvailableWithName(LibFunc::exp10f, "__exp10f");
299 case Triple::WatchOS:
300 TLI.setUnavailable(LibFunc::exp10l);
301 if (!T.isWatchOS() && (T.isOSVersionLT(7, 0) ||
302 (T.isOSVersionLT(9, 0) &&
303 (T.getArch() == Triple::x86 ||
304 T.getArch() == Triple::x86_64)))) {
305 TLI.setUnavailable(LibFunc::exp10);
306 TLI.setUnavailable(LibFunc::exp10f);
308 TLI.setAvailableWithName(LibFunc::exp10, "__exp10");
309 TLI.setAvailableWithName(LibFunc::exp10f, "__exp10f");
313 // exp10, exp10f, exp10l is available on Linux (GLIBC) but are extremely
314 // buggy prior to glibc version 2.18. Until this version is widely deployed
315 // or we have a reasonable detection strategy, we cannot use exp10 reliably
318 // Fall through to disable all of them.
320 TLI.setUnavailable(LibFunc::exp10);
321 TLI.setUnavailable(LibFunc::exp10f);
322 TLI.setUnavailable(LibFunc::exp10l);
325 // ffsl is available on at least Darwin, Mac OS X, iOS, FreeBSD, and
327 // http://developer.apple.com/library/mac/#documentation/Darwin/Reference/ManPages/man3/ffsl.3.html
328 // http://svn.freebsd.org/base/head/lib/libc/string/ffsl.c
329 // http://www.gnu.org/software/gnulib/manual/html_node/ffsl.html
335 case Triple::WatchOS:
336 case Triple::FreeBSD:
340 TLI.setUnavailable(LibFunc::ffsl);
343 // ffsll is available on at least FreeBSD and Linux (GLIBC):
344 // http://svn.freebsd.org/base/head/lib/libc/string/ffsll.c
345 // http://www.gnu.org/software/gnulib/manual/html_node/ffsll.html
351 case Triple::WatchOS:
352 case Triple::FreeBSD:
356 TLI.setUnavailable(LibFunc::ffsll);
359 // The following functions are available on at least FreeBSD:
360 // http://svn.freebsd.org/base/head/lib/libc/string/fls.c
361 // http://svn.freebsd.org/base/head/lib/libc/string/flsl.c
362 // http://svn.freebsd.org/base/head/lib/libc/string/flsll.c
363 if (!T.isOSFreeBSD()) {
364 TLI.setUnavailable(LibFunc::fls);
365 TLI.setUnavailable(LibFunc::flsl);
366 TLI.setUnavailable(LibFunc::flsll);
369 // The following functions are available on at least Linux:
370 if (!T.isOSLinux()) {
371 TLI.setUnavailable(LibFunc::dunder_strdup);
372 TLI.setUnavailable(LibFunc::dunder_strtok_r);
373 TLI.setUnavailable(LibFunc::dunder_isoc99_scanf);
374 TLI.setUnavailable(LibFunc::dunder_isoc99_sscanf);
375 TLI.setUnavailable(LibFunc::under_IO_getc);
376 TLI.setUnavailable(LibFunc::under_IO_putc);
377 TLI.setUnavailable(LibFunc::memalign);
378 TLI.setUnavailable(LibFunc::fopen64);
379 TLI.setUnavailable(LibFunc::fseeko64);
380 TLI.setUnavailable(LibFunc::fstat64);
381 TLI.setUnavailable(LibFunc::fstatvfs64);
382 TLI.setUnavailable(LibFunc::ftello64);
383 TLI.setUnavailable(LibFunc::lstat64);
384 TLI.setUnavailable(LibFunc::open64);
385 TLI.setUnavailable(LibFunc::stat64);
386 TLI.setUnavailable(LibFunc::statvfs64);
387 TLI.setUnavailable(LibFunc::tmpfile64);
390 TLI.addVectorizableFunctionsFromVecLib(ClVectorLibrary);
393 TargetLibraryInfoImpl::TargetLibraryInfoImpl() {
394 // Default to everything being available.
395 memset(AvailableArray, -1, sizeof(AvailableArray));
397 initialize(*this, Triple(), StandardNames);
400 TargetLibraryInfoImpl::TargetLibraryInfoImpl(const Triple &T) {
401 // Default to everything being available.
402 memset(AvailableArray, -1, sizeof(AvailableArray));
404 initialize(*this, T, StandardNames);
407 TargetLibraryInfoImpl::TargetLibraryInfoImpl(const TargetLibraryInfoImpl &TLI)
408 : CustomNames(TLI.CustomNames) {
409 memcpy(AvailableArray, TLI.AvailableArray, sizeof(AvailableArray));
410 VectorDescs = TLI.VectorDescs;
411 ScalarDescs = TLI.ScalarDescs;
414 TargetLibraryInfoImpl::TargetLibraryInfoImpl(TargetLibraryInfoImpl &&TLI)
415 : CustomNames(std::move(TLI.CustomNames)) {
416 std::move(std::begin(TLI.AvailableArray), std::end(TLI.AvailableArray),
418 VectorDescs = TLI.VectorDescs;
419 ScalarDescs = TLI.ScalarDescs;
422 TargetLibraryInfoImpl &TargetLibraryInfoImpl::operator=(const TargetLibraryInfoImpl &TLI) {
423 CustomNames = TLI.CustomNames;
424 memcpy(AvailableArray, TLI.AvailableArray, sizeof(AvailableArray));
428 TargetLibraryInfoImpl &TargetLibraryInfoImpl::operator=(TargetLibraryInfoImpl &&TLI) {
429 CustomNames = std::move(TLI.CustomNames);
430 std::move(std::begin(TLI.AvailableArray), std::end(TLI.AvailableArray),
435 static StringRef sanitizeFunctionName(StringRef funcName) {
436 // Filter out empty names and names containing null bytes, those can't be in
438 if (funcName.empty() || funcName.find('\0') != StringRef::npos)
441 // Check for \01 prefix that is used to mangle __asm declarations and
442 // strip it if present.
443 return GlobalValue::getRealLinkageName(funcName);
446 bool TargetLibraryInfoImpl::getLibFunc(StringRef funcName,
447 LibFunc::Func &F) const {
448 const char *const *Start = &StandardNames[0];
449 const char *const *End = &StandardNames[LibFunc::NumLibFuncs];
451 funcName = sanitizeFunctionName(funcName);
452 if (funcName.empty())
455 const char *const *I = std::lower_bound(
456 Start, End, funcName, [](const char *LHS, StringRef RHS) {
457 return std::strncmp(LHS, RHS.data(), RHS.size()) < 0;
459 if (I != End && *I == funcName) {
460 F = (LibFunc::Func)(I - Start);
466 void TargetLibraryInfoImpl::disableAllFunctions() {
467 memset(AvailableArray, 0, sizeof(AvailableArray));
470 static bool compareByScalarFnName(const VecDesc &LHS, const VecDesc &RHS) {
471 return std::strncmp(LHS.ScalarFnName, RHS.ScalarFnName,
472 std::strlen(RHS.ScalarFnName)) < 0;
475 static bool compareByVectorFnName(const VecDesc &LHS, const VecDesc &RHS) {
476 return std::strncmp(LHS.VectorFnName, RHS.VectorFnName,
477 std::strlen(RHS.VectorFnName)) < 0;
480 static bool compareWithScalarFnName(const VecDesc &LHS, StringRef S) {
481 return std::strncmp(LHS.ScalarFnName, S.data(), S.size()) < 0;
484 static bool compareWithVectorFnName(const VecDesc &LHS, StringRef S) {
485 return std::strncmp(LHS.VectorFnName, S.data(), S.size()) < 0;
488 void TargetLibraryInfoImpl::addVectorizableFunctions(ArrayRef<VecDesc> Fns) {
489 VectorDescs.insert(VectorDescs.end(), Fns.begin(), Fns.end());
490 std::sort(VectorDescs.begin(), VectorDescs.end(), compareByScalarFnName);
492 ScalarDescs.insert(ScalarDescs.end(), Fns.begin(), Fns.end());
493 std::sort(ScalarDescs.begin(), ScalarDescs.end(), compareByVectorFnName);
496 void TargetLibraryInfoImpl::addVectorizableFunctionsFromVecLib(
497 enum VectorLibrary VecLib) {
500 const VecDesc VecFuncs[] = {
501 // Floating-Point Arithmetic and Auxiliary Functions
502 {"ceilf", "vceilf", 4},
503 {"fabsf", "vfabsf", 4},
504 {"llvm.fabs.f32", "vfabsf", 4},
505 {"floorf", "vfloorf", 4},
506 {"sqrtf", "vsqrtf", 4},
507 {"llvm.sqrt.f32", "vsqrtf", 4},
509 // Exponential and Logarithmic Functions
510 {"expf", "vexpf", 4},
511 {"llvm.exp.f32", "vexpf", 4},
512 {"expm1f", "vexpm1f", 4},
513 {"logf", "vlogf", 4},
514 {"llvm.log.f32", "vlogf", 4},
515 {"log1pf", "vlog1pf", 4},
516 {"log10f", "vlog10f", 4},
517 {"llvm.log10.f32", "vlog10f", 4},
518 {"logbf", "vlogbf", 4},
520 // Trigonometric Functions
521 {"sinf", "vsinf", 4},
522 {"llvm.sin.f32", "vsinf", 4},
523 {"cosf", "vcosf", 4},
524 {"llvm.cos.f32", "vcosf", 4},
525 {"tanf", "vtanf", 4},
526 {"asinf", "vasinf", 4},
527 {"acosf", "vacosf", 4},
528 {"atanf", "vatanf", 4},
530 // Hyperbolic Functions
531 {"sinhf", "vsinhf", 4},
532 {"coshf", "vcoshf", 4},
533 {"tanhf", "vtanhf", 4},
534 {"asinhf", "vasinhf", 4},
535 {"acoshf", "vacoshf", 4},
536 {"atanhf", "vatanhf", 4},
538 addVectorizableFunctions(VecFuncs);
546 bool TargetLibraryInfoImpl::isFunctionVectorizable(StringRef funcName) const {
547 funcName = sanitizeFunctionName(funcName);
548 if (funcName.empty())
551 std::vector<VecDesc>::const_iterator I = std::lower_bound(
552 VectorDescs.begin(), VectorDescs.end(), funcName,
553 compareWithScalarFnName);
554 return I != VectorDescs.end() && StringRef(I->ScalarFnName) == funcName;
557 StringRef TargetLibraryInfoImpl::getVectorizedFunction(StringRef F,
559 F = sanitizeFunctionName(F);
562 std::vector<VecDesc>::const_iterator I = std::lower_bound(
563 VectorDescs.begin(), VectorDescs.end(), F, compareWithScalarFnName);
564 while (I != VectorDescs.end() && StringRef(I->ScalarFnName) == F) {
565 if (I->VectorizationFactor == VF)
566 return I->VectorFnName;
572 StringRef TargetLibraryInfoImpl::getScalarizedFunction(StringRef F,
573 unsigned &VF) const {
574 F = sanitizeFunctionName(F);
578 std::vector<VecDesc>::const_iterator I = std::lower_bound(
579 ScalarDescs.begin(), ScalarDescs.end(), F, compareWithVectorFnName);
580 if (I == VectorDescs.end() || StringRef(I->VectorFnName) != F)
582 VF = I->VectorizationFactor;
583 return I->ScalarFnName;
586 TargetLibraryInfo TargetLibraryAnalysis::run(Module &M) {
588 return TargetLibraryInfo(*PresetInfoImpl);
590 return TargetLibraryInfo(lookupInfoImpl(Triple(M.getTargetTriple())));
593 TargetLibraryInfo TargetLibraryAnalysis::run(Function &F) {
595 return TargetLibraryInfo(*PresetInfoImpl);
597 return TargetLibraryInfo(
598 lookupInfoImpl(Triple(F.getParent()->getTargetTriple())));
601 TargetLibraryInfoImpl &TargetLibraryAnalysis::lookupInfoImpl(Triple T) {
602 std::unique_ptr<TargetLibraryInfoImpl> &Impl =
603 Impls[T.normalize()];
605 Impl.reset(new TargetLibraryInfoImpl(T));
611 TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass()
612 : ImmutablePass(ID), TLIImpl(), TLI(TLIImpl) {
613 initializeTargetLibraryInfoWrapperPassPass(*PassRegistry::getPassRegistry());
616 TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass(const Triple &T)
617 : ImmutablePass(ID), TLIImpl(T), TLI(TLIImpl) {
618 initializeTargetLibraryInfoWrapperPassPass(*PassRegistry::getPassRegistry());
621 TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass(
622 const TargetLibraryInfoImpl &TLIImpl)
623 : ImmutablePass(ID), TLIImpl(TLIImpl), TLI(this->TLIImpl) {
624 initializeTargetLibraryInfoWrapperPassPass(*PassRegistry::getPassRegistry());
627 char TargetLibraryAnalysis::PassID;
629 // Register the basic pass.
630 INITIALIZE_PASS(TargetLibraryInfoWrapperPass, "targetlibinfo",
631 "Target Library Information", false, true)
632 char TargetLibraryInfoWrapperPass::ID = 0;
634 void TargetLibraryInfoWrapperPass::anchor() {}