1 //===-- TargetLibraryInfo.cpp - Runtime library information ----------------==//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file implements the TargetLibraryInfo class.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "llvm/Analysis/TargetLibraryInfo.h"
15 #include "llvm/ADT/Triple.h"
16 #include "llvm/IR/Constants.h"
17 #include "llvm/Support/CommandLine.h"
18 using namespace llvm;
19 
20 static cl::opt<TargetLibraryInfoImpl::VectorLibrary> ClVectorLibrary(
21     "vector-library", cl::Hidden, cl::desc("Vector functions library"),
22     cl::init(TargetLibraryInfoImpl::NoLibrary),
23     cl::values(clEnumValN(TargetLibraryInfoImpl::NoLibrary, "none",
24                           "No vector functions library"),
25                clEnumValN(TargetLibraryInfoImpl::Accelerate, "Accelerate",
26                           "Accelerate framework"),
27                clEnumValN(TargetLibraryInfoImpl::SVML, "SVML",
28                           "Intel SVML library")));
29 
30 StringRef const TargetLibraryInfoImpl::StandardNames[LibFunc::NumLibFuncs] = {
31 #define TLI_DEFINE_STRING
32 #include "llvm/Analysis/TargetLibraryInfo.def"
33 };
34 
35 static bool hasSinCosPiStret(const Triple &T) {
36   // Only Darwin variants have _stret versions of combined trig functions.
37   if (!T.isOSDarwin())
38     return false;
39 
40   // The ABI is rather complicated on x86, so don't do anything special there.
41   if (T.getArch() == Triple::x86)
42     return false;
43 
44   if (T.isMacOSX() && T.isMacOSXVersionLT(10, 9))
45     return false;
46 
47   if (T.isiOS() && T.isOSVersionLT(7, 0))
48     return false;
49 
50   return true;
51 }
52 
53 /// Initialize the set of available library functions based on the specified
54 /// target triple. This should be carefully written so that a missing target
55 /// triple gets a sane set of defaults.
56 static void initialize(TargetLibraryInfoImpl &TLI, const Triple &T,
57                        ArrayRef<StringRef> StandardNames) {
58   // Verify that the StandardNames array is in alphabetical order.
59   assert(std::is_sorted(StandardNames.begin(), StandardNames.end(),
60                         [](StringRef LHS, StringRef RHS) {
61                           return LHS < RHS;
62                         }) &&
63          "TargetLibraryInfoImpl function names must be sorted");
64 
65   bool ShouldExtI32Param = false, ShouldExtI32Return = false,
66        ShouldSignExtI32Param = false;
67   // PowerPC64, Sparc64, SystemZ need signext/zeroext on i32 parameters and
68   // returns corresponding to C-level ints and unsigned ints.
69   if (T.getArch() == Triple::ppc64 || T.getArch() == Triple::ppc64le ||
70       T.getArch() == Triple::sparcv9 || T.getArch() == Triple::systemz) {
71     ShouldExtI32Param = true;
72     ShouldExtI32Return = true;
73   }
74   // Mips, on the other hand, needs signext on i32 parameters corresponding
75   // to both signed and unsigned ints.
76   if (T.getArch() == Triple::mips || T.getArch() == Triple::mipsel ||
77       T.getArch() == Triple::mips64 || T.getArch() == Triple::mips64el) {
78     ShouldSignExtI32Param = true;
79   }
80   TLI.setShouldExtI32Param(ShouldExtI32Param);
81   TLI.setShouldExtI32Return(ShouldExtI32Return);
82   TLI.setShouldSignExtI32Param(ShouldSignExtI32Param);
83 
84   if (T.getArch() == Triple::r600 ||
85       T.getArch() == Triple::amdgcn) {
86     TLI.setUnavailable(LibFunc_ldexp);
87     TLI.setUnavailable(LibFunc_ldexpf);
88     TLI.setUnavailable(LibFunc_ldexpl);
89     TLI.setUnavailable(LibFunc_exp10);
90     TLI.setUnavailable(LibFunc_exp10f);
91     TLI.setUnavailable(LibFunc_exp10l);
92     TLI.setUnavailable(LibFunc_log10);
93     TLI.setUnavailable(LibFunc_log10f);
94     TLI.setUnavailable(LibFunc_log10l);
95   }
96 
97   // There are no library implementations of mempcy and memset for AMD gpus and
98   // these can be difficult to lower in the backend.
99   if (T.getArch() == Triple::r600 ||
100       T.getArch() == Triple::amdgcn) {
101     TLI.setUnavailable(LibFunc_memcpy);
102     TLI.setUnavailable(LibFunc_memset);
103     TLI.setUnavailable(LibFunc_memset_pattern16);
104     return;
105   }
106 
107   // memset_pattern16 is only available on iOS 3.0 and Mac OS X 10.5 and later.
108   // All versions of watchOS support it.
109   if (T.isMacOSX()) {
110     if (T.isMacOSXVersionLT(10, 5))
111       TLI.setUnavailable(LibFunc_memset_pattern16);
112   } else if (T.isiOS()) {
113     if (T.isOSVersionLT(3, 0))
114       TLI.setUnavailable(LibFunc_memset_pattern16);
115   } else if (!T.isWatchOS()) {
116     TLI.setUnavailable(LibFunc_memset_pattern16);
117   }
118 
119   if (!hasSinCosPiStret(T)) {
120     TLI.setUnavailable(LibFunc_sinpi);
121     TLI.setUnavailable(LibFunc_sinpif);
122     TLI.setUnavailable(LibFunc_cospi);
123     TLI.setUnavailable(LibFunc_cospif);
124     TLI.setUnavailable(LibFunc_sincospi_stret);
125     TLI.setUnavailable(LibFunc_sincospif_stret);
126   }
127 
128   if (T.isMacOSX() && T.getArch() == Triple::x86 &&
129       !T.isMacOSXVersionLT(10, 7)) {
130     // x86-32 OSX has a scheme where fwrite and fputs (and some other functions
131     // we don't care about) have two versions; on recent OSX, the one we want
132     // has a $UNIX2003 suffix. The two implementations are identical except
133     // for the return value in some edge cases.  However, we don't want to
134     // generate code that depends on the old symbols.
135     TLI.setAvailableWithName(LibFunc_fwrite, "fwrite$UNIX2003");
136     TLI.setAvailableWithName(LibFunc_fputs, "fputs$UNIX2003");
137   }
138 
139   // iprintf and friends are only available on XCore and TCE.
140   if (T.getArch() != Triple::xcore && T.getArch() != Triple::tce) {
141     TLI.setUnavailable(LibFunc_iprintf);
142     TLI.setUnavailable(LibFunc_siprintf);
143     TLI.setUnavailable(LibFunc_fiprintf);
144   }
145 
146   if (T.isOSWindows() && !T.isOSCygMing()) {
147     // Win32 does not support long double
148     TLI.setUnavailable(LibFunc_acosl);
149     TLI.setUnavailable(LibFunc_asinl);
150     TLI.setUnavailable(LibFunc_atanl);
151     TLI.setUnavailable(LibFunc_atan2l);
152     TLI.setUnavailable(LibFunc_ceill);
153     TLI.setUnavailable(LibFunc_copysignl);
154     TLI.setUnavailable(LibFunc_cosl);
155     TLI.setUnavailable(LibFunc_coshl);
156     TLI.setUnavailable(LibFunc_expl);
157     TLI.setUnavailable(LibFunc_fabsf); // Win32 and Win64 both lack fabsf
158     TLI.setUnavailable(LibFunc_fabsl);
159     TLI.setUnavailable(LibFunc_floorl);
160     TLI.setUnavailable(LibFunc_fmaxl);
161     TLI.setUnavailable(LibFunc_fminl);
162     TLI.setUnavailable(LibFunc_fmodl);
163     TLI.setUnavailable(LibFunc_frexpl);
164     TLI.setUnavailable(LibFunc_ldexpf);
165     TLI.setUnavailable(LibFunc_ldexpl);
166     TLI.setUnavailable(LibFunc_logl);
167     TLI.setUnavailable(LibFunc_modfl);
168     TLI.setUnavailable(LibFunc_powl);
169     TLI.setUnavailable(LibFunc_sinl);
170     TLI.setUnavailable(LibFunc_sinhl);
171     TLI.setUnavailable(LibFunc_sqrtl);
172     TLI.setUnavailable(LibFunc_tanl);
173     TLI.setUnavailable(LibFunc_tanhl);
174 
175     // Win32 only has C89 math
176     TLI.setUnavailable(LibFunc_acosh);
177     TLI.setUnavailable(LibFunc_acoshf);
178     TLI.setUnavailable(LibFunc_acoshl);
179     TLI.setUnavailable(LibFunc_asinh);
180     TLI.setUnavailable(LibFunc_asinhf);
181     TLI.setUnavailable(LibFunc_asinhl);
182     TLI.setUnavailable(LibFunc_atanh);
183     TLI.setUnavailable(LibFunc_atanhf);
184     TLI.setUnavailable(LibFunc_atanhl);
185     TLI.setUnavailable(LibFunc_cabs);
186     TLI.setUnavailable(LibFunc_cabsf);
187     TLI.setUnavailable(LibFunc_cabsl);
188     TLI.setUnavailable(LibFunc_cbrt);
189     TLI.setUnavailable(LibFunc_cbrtf);
190     TLI.setUnavailable(LibFunc_cbrtl);
191     TLI.setUnavailable(LibFunc_exp2);
192     TLI.setUnavailable(LibFunc_exp2f);
193     TLI.setUnavailable(LibFunc_exp2l);
194     TLI.setUnavailable(LibFunc_expm1);
195     TLI.setUnavailable(LibFunc_expm1f);
196     TLI.setUnavailable(LibFunc_expm1l);
197     TLI.setUnavailable(LibFunc_log2);
198     TLI.setUnavailable(LibFunc_log2f);
199     TLI.setUnavailable(LibFunc_log2l);
200     TLI.setUnavailable(LibFunc_log1p);
201     TLI.setUnavailable(LibFunc_log1pf);
202     TLI.setUnavailable(LibFunc_log1pl);
203     TLI.setUnavailable(LibFunc_logb);
204     TLI.setUnavailable(LibFunc_logbf);
205     TLI.setUnavailable(LibFunc_logbl);
206     TLI.setUnavailable(LibFunc_nearbyint);
207     TLI.setUnavailable(LibFunc_nearbyintf);
208     TLI.setUnavailable(LibFunc_nearbyintl);
209     TLI.setUnavailable(LibFunc_rint);
210     TLI.setUnavailable(LibFunc_rintf);
211     TLI.setUnavailable(LibFunc_rintl);
212     TLI.setUnavailable(LibFunc_round);
213     TLI.setUnavailable(LibFunc_roundf);
214     TLI.setUnavailable(LibFunc_roundl);
215     TLI.setUnavailable(LibFunc_trunc);
216     TLI.setUnavailable(LibFunc_truncf);
217     TLI.setUnavailable(LibFunc_truncl);
218 
219     // Win32 provides some C99 math with mangled names
220     TLI.setAvailableWithName(LibFunc_copysign, "_copysign");
221 
222     if (T.getArch() == Triple::x86) {
223       // Win32 on x86 implements single-precision math functions as macros
224       TLI.setUnavailable(LibFunc_acosf);
225       TLI.setUnavailable(LibFunc_asinf);
226       TLI.setUnavailable(LibFunc_atanf);
227       TLI.setUnavailable(LibFunc_atan2f);
228       TLI.setUnavailable(LibFunc_ceilf);
229       TLI.setUnavailable(LibFunc_copysignf);
230       TLI.setUnavailable(LibFunc_cosf);
231       TLI.setUnavailable(LibFunc_coshf);
232       TLI.setUnavailable(LibFunc_expf);
233       TLI.setUnavailable(LibFunc_floorf);
234       TLI.setUnavailable(LibFunc_fminf);
235       TLI.setUnavailable(LibFunc_fmaxf);
236       TLI.setUnavailable(LibFunc_fmodf);
237       TLI.setUnavailable(LibFunc_logf);
238       TLI.setUnavailable(LibFunc_log10f);
239       TLI.setUnavailable(LibFunc_modff);
240       TLI.setUnavailable(LibFunc_powf);
241       TLI.setUnavailable(LibFunc_sinf);
242       TLI.setUnavailable(LibFunc_sinhf);
243       TLI.setUnavailable(LibFunc_sqrtf);
244       TLI.setUnavailable(LibFunc_tanf);
245       TLI.setUnavailable(LibFunc_tanhf);
246     }
247 
248     // Win32 does *not* provide provide these functions, but they are
249     // generally available on POSIX-compliant systems:
250     TLI.setUnavailable(LibFunc_access);
251     TLI.setUnavailable(LibFunc_bcmp);
252     TLI.setUnavailable(LibFunc_bcopy);
253     TLI.setUnavailable(LibFunc_bzero);
254     TLI.setUnavailable(LibFunc_chmod);
255     TLI.setUnavailable(LibFunc_chown);
256     TLI.setUnavailable(LibFunc_closedir);
257     TLI.setUnavailable(LibFunc_ctermid);
258     TLI.setUnavailable(LibFunc_fdopen);
259     TLI.setUnavailable(LibFunc_ffs);
260     TLI.setUnavailable(LibFunc_fileno);
261     TLI.setUnavailable(LibFunc_flockfile);
262     TLI.setUnavailable(LibFunc_fseeko);
263     TLI.setUnavailable(LibFunc_fstat);
264     TLI.setUnavailable(LibFunc_fstatvfs);
265     TLI.setUnavailable(LibFunc_ftello);
266     TLI.setUnavailable(LibFunc_ftrylockfile);
267     TLI.setUnavailable(LibFunc_funlockfile);
268     TLI.setUnavailable(LibFunc_getc_unlocked);
269     TLI.setUnavailable(LibFunc_getitimer);
270     TLI.setUnavailable(LibFunc_getlogin_r);
271     TLI.setUnavailable(LibFunc_getpwnam);
272     TLI.setUnavailable(LibFunc_gettimeofday);
273     TLI.setUnavailable(LibFunc_htonl);
274     TLI.setUnavailable(LibFunc_htons);
275     TLI.setUnavailable(LibFunc_lchown);
276     TLI.setUnavailable(LibFunc_lstat);
277     TLI.setUnavailable(LibFunc_memccpy);
278     TLI.setUnavailable(LibFunc_mkdir);
279     TLI.setUnavailable(LibFunc_ntohl);
280     TLI.setUnavailable(LibFunc_ntohs);
281     TLI.setUnavailable(LibFunc_open);
282     TLI.setUnavailable(LibFunc_opendir);
283     TLI.setUnavailable(LibFunc_pclose);
284     TLI.setUnavailable(LibFunc_popen);
285     TLI.setUnavailable(LibFunc_pread);
286     TLI.setUnavailable(LibFunc_pwrite);
287     TLI.setUnavailable(LibFunc_read);
288     TLI.setUnavailable(LibFunc_readlink);
289     TLI.setUnavailable(LibFunc_realpath);
290     TLI.setUnavailable(LibFunc_rmdir);
291     TLI.setUnavailable(LibFunc_setitimer);
292     TLI.setUnavailable(LibFunc_stat);
293     TLI.setUnavailable(LibFunc_statvfs);
294     TLI.setUnavailable(LibFunc_stpcpy);
295     TLI.setUnavailable(LibFunc_stpncpy);
296     TLI.setUnavailable(LibFunc_strcasecmp);
297     TLI.setUnavailable(LibFunc_strncasecmp);
298     TLI.setUnavailable(LibFunc_times);
299     TLI.setUnavailable(LibFunc_uname);
300     TLI.setUnavailable(LibFunc_unlink);
301     TLI.setUnavailable(LibFunc_unsetenv);
302     TLI.setUnavailable(LibFunc_utime);
303     TLI.setUnavailable(LibFunc_utimes);
304     TLI.setUnavailable(LibFunc_write);
305 
306     // Win32 does *not* provide provide these functions, but they are
307     // specified by C99:
308     TLI.setUnavailable(LibFunc_atoll);
309     TLI.setUnavailable(LibFunc_frexpf);
310     TLI.setUnavailable(LibFunc_llabs);
311   }
312 
313   switch (T.getOS()) {
314   case Triple::MacOSX:
315     // exp10 and exp10f are not available on OS X until 10.9 and iOS until 7.0
316     // and their names are __exp10 and __exp10f. exp10l is not available on
317     // OS X or iOS.
318     TLI.setUnavailable(LibFunc_exp10l);
319     if (T.isMacOSXVersionLT(10, 9)) {
320       TLI.setUnavailable(LibFunc_exp10);
321       TLI.setUnavailable(LibFunc_exp10f);
322     } else {
323       TLI.setAvailableWithName(LibFunc_exp10, "__exp10");
324       TLI.setAvailableWithName(LibFunc_exp10f, "__exp10f");
325     }
326     break;
327   case Triple::IOS:
328   case Triple::TvOS:
329   case Triple::WatchOS:
330     TLI.setUnavailable(LibFunc_exp10l);
331     if (!T.isWatchOS() && (T.isOSVersionLT(7, 0) ||
332                            (T.isOSVersionLT(9, 0) &&
333                             (T.getArch() == Triple::x86 ||
334                              T.getArch() == Triple::x86_64)))) {
335       TLI.setUnavailable(LibFunc_exp10);
336       TLI.setUnavailable(LibFunc_exp10f);
337     } else {
338       TLI.setAvailableWithName(LibFunc_exp10, "__exp10");
339       TLI.setAvailableWithName(LibFunc_exp10f, "__exp10f");
340     }
341     break;
342   case Triple::Linux:
343     // exp10, exp10f, exp10l is available on Linux (GLIBC) but are extremely
344     // buggy prior to glibc version 2.18. Until this version is widely deployed
345     // or we have a reasonable detection strategy, we cannot use exp10 reliably
346     // on Linux.
347     //
348     // Fall through to disable all of them.
349     LLVM_FALLTHROUGH;
350   default:
351     TLI.setUnavailable(LibFunc_exp10);
352     TLI.setUnavailable(LibFunc_exp10f);
353     TLI.setUnavailable(LibFunc_exp10l);
354   }
355 
356   // ffsl is available on at least Darwin, Mac OS X, iOS, FreeBSD, and
357   // Linux (GLIBC):
358   // http://developer.apple.com/library/mac/#documentation/Darwin/Reference/ManPages/man3/ffsl.3.html
359   // http://svn.freebsd.org/base/head/lib/libc/string/ffsl.c
360   // http://www.gnu.org/software/gnulib/manual/html_node/ffsl.html
361   switch (T.getOS()) {
362   case Triple::Darwin:
363   case Triple::MacOSX:
364   case Triple::IOS:
365   case Triple::TvOS:
366   case Triple::WatchOS:
367   case Triple::FreeBSD:
368   case Triple::Linux:
369     break;
370   default:
371     TLI.setUnavailable(LibFunc_ffsl);
372   }
373 
374   // ffsll is available on at least FreeBSD and Linux (GLIBC):
375   // http://svn.freebsd.org/base/head/lib/libc/string/ffsll.c
376   // http://www.gnu.org/software/gnulib/manual/html_node/ffsll.html
377   switch (T.getOS()) {
378   case Triple::Darwin:
379   case Triple::MacOSX:
380   case Triple::IOS:
381   case Triple::TvOS:
382   case Triple::WatchOS:
383   case Triple::FreeBSD:
384   case Triple::Linux:
385     break;
386   default:
387     TLI.setUnavailable(LibFunc_ffsll);
388   }
389 
390   // The following functions are available on at least FreeBSD:
391   // http://svn.freebsd.org/base/head/lib/libc/string/fls.c
392   // http://svn.freebsd.org/base/head/lib/libc/string/flsl.c
393   // http://svn.freebsd.org/base/head/lib/libc/string/flsll.c
394   if (!T.isOSFreeBSD()) {
395     TLI.setUnavailable(LibFunc_fls);
396     TLI.setUnavailable(LibFunc_flsl);
397     TLI.setUnavailable(LibFunc_flsll);
398   }
399 
400   // The following functions are available on at least Linux:
401   if (!T.isOSLinux()) {
402     TLI.setUnavailable(LibFunc_dunder_strdup);
403     TLI.setUnavailable(LibFunc_dunder_strtok_r);
404     TLI.setUnavailable(LibFunc_dunder_isoc99_scanf);
405     TLI.setUnavailable(LibFunc_dunder_isoc99_sscanf);
406     TLI.setUnavailable(LibFunc_under_IO_getc);
407     TLI.setUnavailable(LibFunc_under_IO_putc);
408     TLI.setUnavailable(LibFunc_memalign);
409     TLI.setUnavailable(LibFunc_fopen64);
410     TLI.setUnavailable(LibFunc_fseeko64);
411     TLI.setUnavailable(LibFunc_fstat64);
412     TLI.setUnavailable(LibFunc_fstatvfs64);
413     TLI.setUnavailable(LibFunc_ftello64);
414     TLI.setUnavailable(LibFunc_lstat64);
415     TLI.setUnavailable(LibFunc_open64);
416     TLI.setUnavailable(LibFunc_stat64);
417     TLI.setUnavailable(LibFunc_statvfs64);
418     TLI.setUnavailable(LibFunc_tmpfile64);
419 
420     // Relaxed math functions are included in math-finite.h on Linux (GLIBC).
421     TLI.setUnavailable(LibFunc_acos_finite);
422     TLI.setUnavailable(LibFunc_acosf_finite);
423     TLI.setUnavailable(LibFunc_acosl_finite);
424     TLI.setUnavailable(LibFunc_acosh_finite);
425     TLI.setUnavailable(LibFunc_acoshf_finite);
426     TLI.setUnavailable(LibFunc_acoshl_finite);
427     TLI.setUnavailable(LibFunc_asin_finite);
428     TLI.setUnavailable(LibFunc_asinf_finite);
429     TLI.setUnavailable(LibFunc_asinl_finite);
430     TLI.setUnavailable(LibFunc_atan2_finite);
431     TLI.setUnavailable(LibFunc_atan2f_finite);
432     TLI.setUnavailable(LibFunc_atan2l_finite);
433     TLI.setUnavailable(LibFunc_atanh_finite);
434     TLI.setUnavailable(LibFunc_atanhf_finite);
435     TLI.setUnavailable(LibFunc_atanhl_finite);
436     TLI.setUnavailable(LibFunc_cosh_finite);
437     TLI.setUnavailable(LibFunc_coshf_finite);
438     TLI.setUnavailable(LibFunc_coshl_finite);
439     TLI.setUnavailable(LibFunc_exp10_finite);
440     TLI.setUnavailable(LibFunc_exp10f_finite);
441     TLI.setUnavailable(LibFunc_exp10l_finite);
442     TLI.setUnavailable(LibFunc_exp2_finite);
443     TLI.setUnavailable(LibFunc_exp2f_finite);
444     TLI.setUnavailable(LibFunc_exp2l_finite);
445     TLI.setUnavailable(LibFunc_exp_finite);
446     TLI.setUnavailable(LibFunc_expf_finite);
447     TLI.setUnavailable(LibFunc_expl_finite);
448     TLI.setUnavailable(LibFunc_log10_finite);
449     TLI.setUnavailable(LibFunc_log10f_finite);
450     TLI.setUnavailable(LibFunc_log10l_finite);
451     TLI.setUnavailable(LibFunc_log2_finite);
452     TLI.setUnavailable(LibFunc_log2f_finite);
453     TLI.setUnavailable(LibFunc_log2l_finite);
454     TLI.setUnavailable(LibFunc_log_finite);
455     TLI.setUnavailable(LibFunc_logf_finite);
456     TLI.setUnavailable(LibFunc_logl_finite);
457     TLI.setUnavailable(LibFunc_pow_finite);
458     TLI.setUnavailable(LibFunc_powf_finite);
459     TLI.setUnavailable(LibFunc_powl_finite);
460     TLI.setUnavailable(LibFunc_sinh_finite);
461     TLI.setUnavailable(LibFunc_sinhf_finite);
462     TLI.setUnavailable(LibFunc_sinhl_finite);
463   }
464 
465   // As currently implemented in clang, NVPTX code has no standard library to
466   // speak of.  Headers provide a standard-ish library implementation, but many
467   // of the signatures are wrong -- for example, many libm functions are not
468   // extern "C".
469   //
470   // libdevice, an IR library provided by nvidia, is linked in by the front-end,
471   // but only used functions are provided to llvm.  Moreover, most of the
472   // functions in libdevice don't map precisely to standard library functions.
473   //
474   // FIXME: Having no standard library prevents e.g. many fastmath
475   // optimizations, so this situation should be fixed.
476   if (T.isNVPTX()) {
477     TLI.disableAllFunctions();
478     TLI.setAvailable(LibFunc_nvvm_reflect);
479   } else {
480     TLI.setUnavailable(LibFunc_nvvm_reflect);
481   }
482 
483   TLI.addVectorizableFunctionsFromVecLib(ClVectorLibrary);
484 }
485 
486 TargetLibraryInfoImpl::TargetLibraryInfoImpl() {
487   // Default to everything being available.
488   memset(AvailableArray, -1, sizeof(AvailableArray));
489 
490   initialize(*this, Triple(), StandardNames);
491 }
492 
493 TargetLibraryInfoImpl::TargetLibraryInfoImpl(const Triple &T) {
494   // Default to everything being available.
495   memset(AvailableArray, -1, sizeof(AvailableArray));
496 
497   initialize(*this, T, StandardNames);
498 }
499 
500 TargetLibraryInfoImpl::TargetLibraryInfoImpl(const TargetLibraryInfoImpl &TLI)
501     : CustomNames(TLI.CustomNames), ShouldExtI32Param(TLI.ShouldExtI32Param),
502       ShouldExtI32Return(TLI.ShouldExtI32Return),
503       ShouldSignExtI32Param(TLI.ShouldSignExtI32Param) {
504   memcpy(AvailableArray, TLI.AvailableArray, sizeof(AvailableArray));
505   VectorDescs = TLI.VectorDescs;
506   ScalarDescs = TLI.ScalarDescs;
507 }
508 
509 TargetLibraryInfoImpl::TargetLibraryInfoImpl(TargetLibraryInfoImpl &&TLI)
510     : CustomNames(std::move(TLI.CustomNames)),
511       ShouldExtI32Param(TLI.ShouldExtI32Param),
512       ShouldExtI32Return(TLI.ShouldExtI32Return),
513       ShouldSignExtI32Param(TLI.ShouldSignExtI32Param) {
514   std::move(std::begin(TLI.AvailableArray), std::end(TLI.AvailableArray),
515             AvailableArray);
516   VectorDescs = TLI.VectorDescs;
517   ScalarDescs = TLI.ScalarDescs;
518 }
519 
520 TargetLibraryInfoImpl &TargetLibraryInfoImpl::operator=(const TargetLibraryInfoImpl &TLI) {
521   CustomNames = TLI.CustomNames;
522   ShouldExtI32Param = TLI.ShouldExtI32Param;
523   ShouldExtI32Return = TLI.ShouldExtI32Return;
524   ShouldSignExtI32Param = TLI.ShouldSignExtI32Param;
525   memcpy(AvailableArray, TLI.AvailableArray, sizeof(AvailableArray));
526   return *this;
527 }
528 
529 TargetLibraryInfoImpl &TargetLibraryInfoImpl::operator=(TargetLibraryInfoImpl &&TLI) {
530   CustomNames = std::move(TLI.CustomNames);
531   ShouldExtI32Param = TLI.ShouldExtI32Param;
532   ShouldExtI32Return = TLI.ShouldExtI32Return;
533   ShouldSignExtI32Param = TLI.ShouldSignExtI32Param;
534   std::move(std::begin(TLI.AvailableArray), std::end(TLI.AvailableArray),
535             AvailableArray);
536   return *this;
537 }
538 
539 static StringRef sanitizeFunctionName(StringRef funcName) {
540   // Filter out empty names and names containing null bytes, those can't be in
541   // our table.
542   if (funcName.empty() || funcName.find('\0') != StringRef::npos)
543     return StringRef();
544 
545   // Check for \01 prefix that is used to mangle __asm declarations and
546   // strip it if present.
547   return GlobalValue::dropLLVMManglingEscape(funcName);
548 }
549 
550 bool TargetLibraryInfoImpl::getLibFunc(StringRef funcName,
551                                        LibFunc &F) const {
552   StringRef const *Start = &StandardNames[0];
553   StringRef const *End = &StandardNames[NumLibFuncs];
554 
555   funcName = sanitizeFunctionName(funcName);
556   if (funcName.empty())
557     return false;
558 
559   StringRef const *I = std::lower_bound(
560       Start, End, funcName, [](StringRef LHS, StringRef RHS) {
561         return LHS < RHS;
562       });
563   if (I != End && *I == funcName) {
564     F = (LibFunc)(I - Start);
565     return true;
566   }
567   return false;
568 }
569 
570 bool TargetLibraryInfoImpl::isValidProtoForLibFunc(const FunctionType &FTy,
571                                                    LibFunc F,
572                                                    const DataLayout *DL) const {
573   LLVMContext &Ctx = FTy.getContext();
574   Type *PCharTy = Type::getInt8PtrTy(Ctx);
575   Type *SizeTTy = DL ? DL->getIntPtrType(Ctx, /*AS=*/0) : nullptr;
576   auto IsSizeTTy = [SizeTTy](Type *Ty) {
577     return SizeTTy ? Ty == SizeTTy : Ty->isIntegerTy();
578   };
579   unsigned NumParams = FTy.getNumParams();
580 
581   switch (F) {
582   case LibFunc_strlen:
583     return (NumParams == 1 && FTy.getParamType(0)->isPointerTy() &&
584             FTy.getReturnType()->isIntegerTy());
585 
586   case LibFunc_strchr:
587   case LibFunc_strrchr:
588     return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
589             FTy.getParamType(0) == FTy.getReturnType() &&
590             FTy.getParamType(1)->isIntegerTy());
591 
592   case LibFunc_strtol:
593   case LibFunc_strtod:
594   case LibFunc_strtof:
595   case LibFunc_strtoul:
596   case LibFunc_strtoll:
597   case LibFunc_strtold:
598   case LibFunc_strtoull:
599     return ((NumParams == 2 || NumParams == 3) &&
600             FTy.getParamType(0)->isPointerTy() &&
601             FTy.getParamType(1)->isPointerTy());
602   case LibFunc_strcat:
603     return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
604             FTy.getParamType(0) == FTy.getReturnType() &&
605             FTy.getParamType(1) == FTy.getReturnType());
606 
607   case LibFunc_strncat:
608     return (NumParams == 3 && FTy.getReturnType()->isPointerTy() &&
609             FTy.getParamType(0) == FTy.getReturnType() &&
610             FTy.getParamType(1) == FTy.getReturnType() &&
611             IsSizeTTy(FTy.getParamType(2)));
612 
613   case LibFunc_strcpy_chk:
614   case LibFunc_stpcpy_chk:
615     --NumParams;
616     if (!IsSizeTTy(FTy.getParamType(NumParams)))
617       return false;
618     LLVM_FALLTHROUGH;
619   case LibFunc_strcpy:
620   case LibFunc_stpcpy:
621     return (NumParams == 2 && FTy.getReturnType() == FTy.getParamType(0) &&
622             FTy.getParamType(0) == FTy.getParamType(1) &&
623             FTy.getParamType(0) == PCharTy);
624 
625   case LibFunc_strncpy_chk:
626   case LibFunc_stpncpy_chk:
627     --NumParams;
628     if (!IsSizeTTy(FTy.getParamType(NumParams)))
629       return false;
630     LLVM_FALLTHROUGH;
631   case LibFunc_strncpy:
632   case LibFunc_stpncpy:
633     return (NumParams == 3 && FTy.getReturnType() == FTy.getParamType(0) &&
634             FTy.getParamType(0) == FTy.getParamType(1) &&
635             FTy.getParamType(0) == PCharTy &&
636             IsSizeTTy(FTy.getParamType(2)));
637 
638   case LibFunc_strxfrm:
639     return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
640             FTy.getParamType(1)->isPointerTy());
641 
642   case LibFunc_strcmp:
643     return (NumParams == 2 && FTy.getReturnType()->isIntegerTy(32) &&
644             FTy.getParamType(0)->isPointerTy() &&
645             FTy.getParamType(0) == FTy.getParamType(1));
646 
647   case LibFunc_strncmp:
648     return (NumParams == 3 && FTy.getReturnType()->isIntegerTy(32) &&
649             FTy.getParamType(0)->isPointerTy() &&
650             FTy.getParamType(0) == FTy.getParamType(1) &&
651             IsSizeTTy(FTy.getParamType(2)));
652 
653   case LibFunc_strspn:
654   case LibFunc_strcspn:
655     return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() &&
656             FTy.getParamType(0) == FTy.getParamType(1) &&
657             FTy.getReturnType()->isIntegerTy());
658 
659   case LibFunc_strcoll:
660   case LibFunc_strcasecmp:
661   case LibFunc_strncasecmp:
662     return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
663             FTy.getParamType(1)->isPointerTy());
664 
665   case LibFunc_strstr:
666     return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
667             FTy.getParamType(0)->isPointerTy() &&
668             FTy.getParamType(1)->isPointerTy());
669 
670   case LibFunc_strpbrk:
671     return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() &&
672             FTy.getReturnType() == FTy.getParamType(0) &&
673             FTy.getParamType(0) == FTy.getParamType(1));
674 
675   case LibFunc_strtok:
676   case LibFunc_strtok_r:
677     return (NumParams >= 2 && FTy.getParamType(1)->isPointerTy());
678   case LibFunc_scanf:
679   case LibFunc_setbuf:
680   case LibFunc_setvbuf:
681     return (NumParams >= 1 && FTy.getParamType(0)->isPointerTy());
682   case LibFunc_strdup:
683   case LibFunc_strndup:
684     return (NumParams >= 1 && FTy.getReturnType()->isPointerTy() &&
685             FTy.getParamType(0)->isPointerTy());
686   case LibFunc_sscanf:
687   case LibFunc_stat:
688   case LibFunc_statvfs:
689   case LibFunc_siprintf:
690   case LibFunc_sprintf:
691     return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
692             FTy.getParamType(1)->isPointerTy());
693   case LibFunc_snprintf:
694     return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
695             FTy.getParamType(2)->isPointerTy());
696   case LibFunc_setitimer:
697     return (NumParams == 3 && FTy.getParamType(1)->isPointerTy() &&
698             FTy.getParamType(2)->isPointerTy());
699   case LibFunc_system:
700     return (NumParams == 1 && FTy.getParamType(0)->isPointerTy());
701   case LibFunc_malloc:
702     return (NumParams == 1 && FTy.getReturnType()->isPointerTy());
703   case LibFunc_memcmp:
704     return (NumParams == 3 && FTy.getReturnType()->isIntegerTy(32) &&
705             FTy.getParamType(0)->isPointerTy() &&
706             FTy.getParamType(1)->isPointerTy());
707 
708   case LibFunc_memchr:
709   case LibFunc_memrchr:
710     return (NumParams == 3 && FTy.getReturnType()->isPointerTy() &&
711             FTy.getReturnType() == FTy.getParamType(0) &&
712             FTy.getParamType(1)->isIntegerTy(32) &&
713             IsSizeTTy(FTy.getParamType(2)));
714   case LibFunc_modf:
715   case LibFunc_modff:
716   case LibFunc_modfl:
717     return (NumParams >= 2 && FTy.getParamType(1)->isPointerTy());
718 
719   case LibFunc_memcpy_chk:
720   case LibFunc_memmove_chk:
721     --NumParams;
722     if (!IsSizeTTy(FTy.getParamType(NumParams)))
723       return false;
724     LLVM_FALLTHROUGH;
725   case LibFunc_memcpy:
726   case LibFunc_mempcpy:
727   case LibFunc_memmove:
728     return (NumParams == 3 && FTy.getReturnType() == FTy.getParamType(0) &&
729             FTy.getParamType(0)->isPointerTy() &&
730             FTy.getParamType(1)->isPointerTy() &&
731             IsSizeTTy(FTy.getParamType(2)));
732 
733   case LibFunc_memset_chk:
734     --NumParams;
735     if (!IsSizeTTy(FTy.getParamType(NumParams)))
736       return false;
737     LLVM_FALLTHROUGH;
738   case LibFunc_memset:
739     return (NumParams == 3 && FTy.getReturnType() == FTy.getParamType(0) &&
740             FTy.getParamType(0)->isPointerTy() &&
741             FTy.getParamType(1)->isIntegerTy() &&
742             IsSizeTTy(FTy.getParamType(2)));
743 
744   case LibFunc_memccpy:
745     return (NumParams >= 2 && FTy.getParamType(1)->isPointerTy());
746   case LibFunc_memalign:
747     return (FTy.getReturnType()->isPointerTy());
748   case LibFunc_realloc:
749   case LibFunc_reallocf:
750     return (NumParams == 2 && FTy.getReturnType() == PCharTy &&
751             FTy.getParamType(0) == FTy.getReturnType() &&
752             IsSizeTTy(FTy.getParamType(1)));
753   case LibFunc_read:
754     return (NumParams == 3 && FTy.getParamType(1)->isPointerTy());
755   case LibFunc_rewind:
756   case LibFunc_rmdir:
757   case LibFunc_remove:
758   case LibFunc_realpath:
759     return (NumParams >= 1 && FTy.getParamType(0)->isPointerTy());
760   case LibFunc_rename:
761     return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
762             FTy.getParamType(1)->isPointerTy());
763   case LibFunc_readlink:
764     return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
765             FTy.getParamType(1)->isPointerTy());
766   case LibFunc_write:
767     return (NumParams == 3 && FTy.getParamType(1)->isPointerTy());
768   case LibFunc_bcopy:
769   case LibFunc_bcmp:
770     return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
771             FTy.getParamType(1)->isPointerTy());
772   case LibFunc_bzero:
773     return (NumParams == 2 && FTy.getParamType(0)->isPointerTy());
774   case LibFunc_calloc:
775     return (NumParams == 2 && FTy.getReturnType()->isPointerTy());
776 
777   case LibFunc_atof:
778   case LibFunc_atoi:
779   case LibFunc_atol:
780   case LibFunc_atoll:
781   case LibFunc_ferror:
782   case LibFunc_getenv:
783   case LibFunc_getpwnam:
784   case LibFunc_iprintf:
785   case LibFunc_pclose:
786   case LibFunc_perror:
787   case LibFunc_printf:
788   case LibFunc_puts:
789   case LibFunc_uname:
790   case LibFunc_under_IO_getc:
791   case LibFunc_unlink:
792   case LibFunc_unsetenv:
793     return (NumParams == 1 && FTy.getParamType(0)->isPointerTy());
794 
795   case LibFunc_access:
796   case LibFunc_chmod:
797   case LibFunc_chown:
798   case LibFunc_clearerr:
799   case LibFunc_closedir:
800   case LibFunc_ctermid:
801   case LibFunc_fclose:
802   case LibFunc_feof:
803   case LibFunc_fflush:
804   case LibFunc_fgetc:
805   case LibFunc_fileno:
806   case LibFunc_flockfile:
807   case LibFunc_free:
808   case LibFunc_fseek:
809   case LibFunc_fseeko64:
810   case LibFunc_fseeko:
811   case LibFunc_fsetpos:
812   case LibFunc_ftell:
813   case LibFunc_ftello64:
814   case LibFunc_ftello:
815   case LibFunc_ftrylockfile:
816   case LibFunc_funlockfile:
817   case LibFunc_getc:
818   case LibFunc_getc_unlocked:
819   case LibFunc_getlogin_r:
820   case LibFunc_mkdir:
821   case LibFunc_mktime:
822   case LibFunc_times:
823     return (NumParams != 0 && FTy.getParamType(0)->isPointerTy());
824 
825   case LibFunc_fopen:
826     return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
827             FTy.getParamType(0)->isPointerTy() &&
828             FTy.getParamType(1)->isPointerTy());
829   case LibFunc_fdopen:
830     return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
831             FTy.getParamType(1)->isPointerTy());
832   case LibFunc_fputc:
833   case LibFunc_fstat:
834   case LibFunc_frexp:
835   case LibFunc_frexpf:
836   case LibFunc_frexpl:
837   case LibFunc_fstatvfs:
838     return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
839   case LibFunc_fgets:
840     return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
841             FTy.getParamType(2)->isPointerTy());
842   case LibFunc_fread:
843     return (NumParams == 4 && FTy.getParamType(0)->isPointerTy() &&
844             FTy.getParamType(3)->isPointerTy());
845   case LibFunc_fwrite:
846     return (NumParams == 4 && FTy.getReturnType()->isIntegerTy() &&
847             FTy.getParamType(0)->isPointerTy() &&
848             FTy.getParamType(1)->isIntegerTy() &&
849             FTy.getParamType(2)->isIntegerTy() &&
850             FTy.getParamType(3)->isPointerTy());
851   case LibFunc_fputs:
852     return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
853             FTy.getParamType(1)->isPointerTy());
854   case LibFunc_fscanf:
855   case LibFunc_fiprintf:
856   case LibFunc_fprintf:
857     return (NumParams >= 2 && FTy.getReturnType()->isIntegerTy() &&
858             FTy.getParamType(0)->isPointerTy() &&
859             FTy.getParamType(1)->isPointerTy());
860   case LibFunc_fgetpos:
861     return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
862             FTy.getParamType(1)->isPointerTy());
863   case LibFunc_getchar:
864     return (NumParams == 0 && FTy.getReturnType()->isIntegerTy());
865   case LibFunc_gets:
866     return (NumParams == 1 && FTy.getParamType(0) == PCharTy);
867   case LibFunc_getitimer:
868     return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
869   case LibFunc_ungetc:
870     return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
871   case LibFunc_utime:
872   case LibFunc_utimes:
873     return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() &&
874             FTy.getParamType(1)->isPointerTy());
875   case LibFunc_putc:
876     return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
877   case LibFunc_pread:
878   case LibFunc_pwrite:
879     return (NumParams == 4 && FTy.getParamType(1)->isPointerTy());
880   case LibFunc_popen:
881     return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
882             FTy.getParamType(0)->isPointerTy() &&
883             FTy.getParamType(1)->isPointerTy());
884   case LibFunc_vscanf:
885     return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
886   case LibFunc_vsscanf:
887     return (NumParams == 3 && FTy.getParamType(1)->isPointerTy() &&
888             FTy.getParamType(2)->isPointerTy());
889   case LibFunc_vfscanf:
890     return (NumParams == 3 && FTy.getParamType(1)->isPointerTy() &&
891             FTy.getParamType(2)->isPointerTy());
892   case LibFunc_valloc:
893     return (FTy.getReturnType()->isPointerTy());
894   case LibFunc_vprintf:
895     return (NumParams == 2 && FTy.getParamType(0)->isPointerTy());
896   case LibFunc_vfprintf:
897   case LibFunc_vsprintf:
898     return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
899             FTy.getParamType(1)->isPointerTy());
900   case LibFunc_vsnprintf:
901     return (NumParams == 4 && FTy.getParamType(0)->isPointerTy() &&
902             FTy.getParamType(2)->isPointerTy());
903   case LibFunc_open:
904     return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy());
905   case LibFunc_opendir:
906     return (NumParams == 1 && FTy.getReturnType()->isPointerTy() &&
907             FTy.getParamType(0)->isPointerTy());
908   case LibFunc_tmpfile:
909     return (FTy.getReturnType()->isPointerTy());
910   case LibFunc_htonl:
911   case LibFunc_ntohl:
912     return (NumParams == 1 && FTy.getReturnType()->isIntegerTy(32) &&
913             FTy.getReturnType() == FTy.getParamType(0));
914   case LibFunc_htons:
915   case LibFunc_ntohs:
916     return (NumParams == 1 && FTy.getReturnType()->isIntegerTy(16) &&
917             FTy.getReturnType() == FTy.getParamType(0));
918   case LibFunc_lstat:
919     return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() &&
920             FTy.getParamType(1)->isPointerTy());
921   case LibFunc_lchown:
922     return (NumParams == 3 && FTy.getParamType(0)->isPointerTy());
923   case LibFunc_qsort:
924     return (NumParams == 4 && FTy.getParamType(3)->isPointerTy());
925   case LibFunc_dunder_strdup:
926   case LibFunc_dunder_strndup:
927     return (NumParams >= 1 && FTy.getReturnType()->isPointerTy() &&
928             FTy.getParamType(0)->isPointerTy());
929   case LibFunc_dunder_strtok_r:
930     return (NumParams == 3 && FTy.getParamType(1)->isPointerTy());
931   case LibFunc_under_IO_putc:
932     return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
933   case LibFunc_dunder_isoc99_scanf:
934     return (NumParams >= 1 && FTy.getParamType(0)->isPointerTy());
935   case LibFunc_stat64:
936   case LibFunc_lstat64:
937   case LibFunc_statvfs64:
938     return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() &&
939             FTy.getParamType(1)->isPointerTy());
940   case LibFunc_dunder_isoc99_sscanf:
941     return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
942             FTy.getParamType(1)->isPointerTy());
943   case LibFunc_fopen64:
944     return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
945             FTy.getParamType(0)->isPointerTy() &&
946             FTy.getParamType(1)->isPointerTy());
947   case LibFunc_tmpfile64:
948     return (FTy.getReturnType()->isPointerTy());
949   case LibFunc_fstat64:
950   case LibFunc_fstatvfs64:
951     return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
952   case LibFunc_open64:
953     return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy());
954   case LibFunc_gettimeofday:
955     return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() &&
956             FTy.getParamType(1)->isPointerTy());
957 
958   // new(unsigned int);
959   case LibFunc_Znwj:
960   // new(unsigned long);
961   case LibFunc_Znwm:
962   // new[](unsigned int);
963   case LibFunc_Znaj:
964   // new[](unsigned long);
965   case LibFunc_Znam:
966   // new(unsigned int);
967   case LibFunc_msvc_new_int:
968   // new(unsigned long long);
969   case LibFunc_msvc_new_longlong:
970   // new[](unsigned int);
971   case LibFunc_msvc_new_array_int:
972   // new[](unsigned long long);
973   case LibFunc_msvc_new_array_longlong:
974     return (NumParams == 1 && FTy.getReturnType()->isPointerTy());
975 
976   // new(unsigned int, nothrow);
977   case LibFunc_ZnwjRKSt9nothrow_t:
978   // new(unsigned long, nothrow);
979   case LibFunc_ZnwmRKSt9nothrow_t:
980   // new[](unsigned int, nothrow);
981   case LibFunc_ZnajRKSt9nothrow_t:
982   // new[](unsigned long, nothrow);
983   case LibFunc_ZnamRKSt9nothrow_t:
984   // new(unsigned int, nothrow);
985   case LibFunc_msvc_new_int_nothrow:
986   // new(unsigned long long, nothrow);
987   case LibFunc_msvc_new_longlong_nothrow:
988   // new[](unsigned int, nothrow);
989   case LibFunc_msvc_new_array_int_nothrow:
990   // new[](unsigned long long, nothrow);
991   case LibFunc_msvc_new_array_longlong_nothrow:
992     return (NumParams == 2 && FTy.getReturnType()->isPointerTy());
993 
994   // void operator delete[](void*);
995   case LibFunc_ZdaPv:
996   // void operator delete(void*);
997   case LibFunc_ZdlPv:
998   // void operator delete[](void*);
999   case LibFunc_msvc_delete_array_ptr32:
1000   // void operator delete[](void*);
1001   case LibFunc_msvc_delete_array_ptr64:
1002   // void operator delete(void*);
1003   case LibFunc_msvc_delete_ptr32:
1004   // void operator delete(void*);
1005   case LibFunc_msvc_delete_ptr64:
1006     return (NumParams == 1 && FTy.getParamType(0)->isPointerTy());
1007 
1008   // void operator delete[](void*, nothrow);
1009   case LibFunc_ZdaPvRKSt9nothrow_t:
1010   // void operator delete[](void*, unsigned int);
1011   case LibFunc_ZdaPvj:
1012   // void operator delete[](void*, unsigned long);
1013   case LibFunc_ZdaPvm:
1014   // void operator delete(void*, nothrow);
1015   case LibFunc_ZdlPvRKSt9nothrow_t:
1016   // void operator delete(void*, unsigned int);
1017   case LibFunc_ZdlPvj:
1018   // void operator delete(void*, unsigned long);
1019   case LibFunc_ZdlPvm:
1020   // void operator delete[](void*, unsigned int);
1021   case LibFunc_msvc_delete_array_ptr32_int:
1022   // void operator delete[](void*, nothrow);
1023   case LibFunc_msvc_delete_array_ptr32_nothrow:
1024   // void operator delete[](void*, unsigned long long);
1025   case LibFunc_msvc_delete_array_ptr64_longlong:
1026   // void operator delete[](void*, nothrow);
1027   case LibFunc_msvc_delete_array_ptr64_nothrow:
1028   // void operator delete(void*, unsigned int);
1029   case LibFunc_msvc_delete_ptr32_int:
1030   // void operator delete(void*, nothrow);
1031   case LibFunc_msvc_delete_ptr32_nothrow:
1032   // void operator delete(void*, unsigned long long);
1033   case LibFunc_msvc_delete_ptr64_longlong:
1034   // void operator delete(void*, nothrow);
1035   case LibFunc_msvc_delete_ptr64_nothrow:
1036     return (NumParams == 2 && FTy.getParamType(0)->isPointerTy());
1037 
1038   case LibFunc_memset_pattern16:
1039     return (!FTy.isVarArg() && NumParams == 3 &&
1040             FTy.getParamType(0)->isPointerTy() &&
1041             FTy.getParamType(1)->isPointerTy() &&
1042             FTy.getParamType(2)->isIntegerTy());
1043 
1044   case LibFunc_cxa_guard_abort:
1045   case LibFunc_cxa_guard_acquire:
1046   case LibFunc_cxa_guard_release:
1047   case LibFunc_nvvm_reflect:
1048     return (NumParams == 1 && FTy.getParamType(0)->isPointerTy());
1049 
1050   case LibFunc_sincospi_stret:
1051   case LibFunc_sincospif_stret:
1052     return (NumParams == 1 && FTy.getParamType(0)->isFloatingPointTy());
1053 
1054   case LibFunc_acos:
1055   case LibFunc_acos_finite:
1056   case LibFunc_acosf:
1057   case LibFunc_acosf_finite:
1058   case LibFunc_acosh:
1059   case LibFunc_acosh_finite:
1060   case LibFunc_acoshf:
1061   case LibFunc_acoshf_finite:
1062   case LibFunc_acoshl:
1063   case LibFunc_acoshl_finite:
1064   case LibFunc_acosl:
1065   case LibFunc_acosl_finite:
1066   case LibFunc_asin:
1067   case LibFunc_asin_finite:
1068   case LibFunc_asinf:
1069   case LibFunc_asinf_finite:
1070   case LibFunc_asinh:
1071   case LibFunc_asinhf:
1072   case LibFunc_asinhl:
1073   case LibFunc_asinl:
1074   case LibFunc_asinl_finite:
1075   case LibFunc_atan:
1076   case LibFunc_atanf:
1077   case LibFunc_atanh:
1078   case LibFunc_atanh_finite:
1079   case LibFunc_atanhf:
1080   case LibFunc_atanhf_finite:
1081   case LibFunc_atanhl:
1082   case LibFunc_atanhl_finite:
1083   case LibFunc_atanl:
1084   case LibFunc_cbrt:
1085   case LibFunc_cbrtf:
1086   case LibFunc_cbrtl:
1087   case LibFunc_ceil:
1088   case LibFunc_ceilf:
1089   case LibFunc_ceill:
1090   case LibFunc_cos:
1091   case LibFunc_cosf:
1092   case LibFunc_cosh:
1093   case LibFunc_cosh_finite:
1094   case LibFunc_coshf:
1095   case LibFunc_coshf_finite:
1096   case LibFunc_coshl:
1097   case LibFunc_coshl_finite:
1098   case LibFunc_cosl:
1099   case LibFunc_exp10:
1100   case LibFunc_exp10_finite:
1101   case LibFunc_exp10f:
1102   case LibFunc_exp10f_finite:
1103   case LibFunc_exp10l:
1104   case LibFunc_exp10l_finite:
1105   case LibFunc_exp2:
1106   case LibFunc_exp2_finite:
1107   case LibFunc_exp2f:
1108   case LibFunc_exp2f_finite:
1109   case LibFunc_exp2l:
1110   case LibFunc_exp2l_finite:
1111   case LibFunc_exp:
1112   case LibFunc_exp_finite:
1113   case LibFunc_expf:
1114   case LibFunc_expf_finite:
1115   case LibFunc_expl:
1116   case LibFunc_expl_finite:
1117   case LibFunc_expm1:
1118   case LibFunc_expm1f:
1119   case LibFunc_expm1l:
1120   case LibFunc_fabs:
1121   case LibFunc_fabsf:
1122   case LibFunc_fabsl:
1123   case LibFunc_floor:
1124   case LibFunc_floorf:
1125   case LibFunc_floorl:
1126   case LibFunc_log10:
1127   case LibFunc_log10_finite:
1128   case LibFunc_log10f:
1129   case LibFunc_log10f_finite:
1130   case LibFunc_log10l:
1131   case LibFunc_log10l_finite:
1132   case LibFunc_log1p:
1133   case LibFunc_log1pf:
1134   case LibFunc_log1pl:
1135   case LibFunc_log2:
1136   case LibFunc_log2_finite:
1137   case LibFunc_log2f:
1138   case LibFunc_log2f_finite:
1139   case LibFunc_log2l:
1140   case LibFunc_log2l_finite:
1141   case LibFunc_log:
1142   case LibFunc_log_finite:
1143   case LibFunc_logb:
1144   case LibFunc_logbf:
1145   case LibFunc_logbl:
1146   case LibFunc_logf:
1147   case LibFunc_logf_finite:
1148   case LibFunc_logl:
1149   case LibFunc_logl_finite:
1150   case LibFunc_nearbyint:
1151   case LibFunc_nearbyintf:
1152   case LibFunc_nearbyintl:
1153   case LibFunc_rint:
1154   case LibFunc_rintf:
1155   case LibFunc_rintl:
1156   case LibFunc_round:
1157   case LibFunc_roundf:
1158   case LibFunc_roundl:
1159   case LibFunc_sin:
1160   case LibFunc_sinf:
1161   case LibFunc_sinh:
1162   case LibFunc_sinh_finite:
1163   case LibFunc_sinhf:
1164   case LibFunc_sinhf_finite:
1165   case LibFunc_sinhl:
1166   case LibFunc_sinhl_finite:
1167   case LibFunc_sinl:
1168   case LibFunc_sqrt:
1169   case LibFunc_sqrt_finite:
1170   case LibFunc_sqrtf:
1171   case LibFunc_sqrtf_finite:
1172   case LibFunc_sqrtl:
1173   case LibFunc_sqrtl_finite:
1174   case LibFunc_tan:
1175   case LibFunc_tanf:
1176   case LibFunc_tanh:
1177   case LibFunc_tanhf:
1178   case LibFunc_tanhl:
1179   case LibFunc_tanl:
1180   case LibFunc_trunc:
1181   case LibFunc_truncf:
1182   case LibFunc_truncl:
1183     return (NumParams == 1 && FTy.getReturnType()->isFloatingPointTy() &&
1184             FTy.getReturnType() == FTy.getParamType(0));
1185 
1186   case LibFunc_atan2:
1187   case LibFunc_atan2_finite:
1188   case LibFunc_atan2f:
1189   case LibFunc_atan2f_finite:
1190   case LibFunc_atan2l:
1191   case LibFunc_atan2l_finite:
1192   case LibFunc_fmin:
1193   case LibFunc_fminf:
1194   case LibFunc_fminl:
1195   case LibFunc_fmax:
1196   case LibFunc_fmaxf:
1197   case LibFunc_fmaxl:
1198   case LibFunc_fmod:
1199   case LibFunc_fmodf:
1200   case LibFunc_fmodl:
1201   case LibFunc_copysign:
1202   case LibFunc_copysignf:
1203   case LibFunc_copysignl:
1204   case LibFunc_pow:
1205   case LibFunc_pow_finite:
1206   case LibFunc_powf:
1207   case LibFunc_powf_finite:
1208   case LibFunc_powl:
1209   case LibFunc_powl_finite:
1210     return (NumParams == 2 && FTy.getReturnType()->isFloatingPointTy() &&
1211             FTy.getReturnType() == FTy.getParamType(0) &&
1212             FTy.getReturnType() == FTy.getParamType(1));
1213 
1214   case LibFunc_ldexp:
1215   case LibFunc_ldexpf:
1216   case LibFunc_ldexpl:
1217     return (NumParams == 2 && FTy.getReturnType()->isFloatingPointTy() &&
1218             FTy.getReturnType() == FTy.getParamType(0) &&
1219             FTy.getParamType(1)->isIntegerTy(32));
1220 
1221   case LibFunc_ffs:
1222   case LibFunc_ffsl:
1223   case LibFunc_ffsll:
1224   case LibFunc_fls:
1225   case LibFunc_flsl:
1226   case LibFunc_flsll:
1227     return (NumParams == 1 && FTy.getReturnType()->isIntegerTy(32) &&
1228             FTy.getParamType(0)->isIntegerTy());
1229 
1230   case LibFunc_isdigit:
1231   case LibFunc_isascii:
1232   case LibFunc_toascii:
1233   case LibFunc_putchar:
1234     return (NumParams == 1 && FTy.getReturnType()->isIntegerTy(32) &&
1235             FTy.getReturnType() == FTy.getParamType(0));
1236 
1237   case LibFunc_abs:
1238   case LibFunc_labs:
1239   case LibFunc_llabs:
1240     return (NumParams == 1 && FTy.getReturnType()->isIntegerTy() &&
1241             FTy.getReturnType() == FTy.getParamType(0));
1242 
1243   case LibFunc_cxa_atexit:
1244     return (NumParams == 3 && FTy.getReturnType()->isIntegerTy() &&
1245             FTy.getParamType(0)->isPointerTy() &&
1246             FTy.getParamType(1)->isPointerTy() &&
1247             FTy.getParamType(2)->isPointerTy());
1248 
1249   case LibFunc_sinpi:
1250   case LibFunc_cospi:
1251     return (NumParams == 1 && FTy.getReturnType()->isDoubleTy() &&
1252             FTy.getReturnType() == FTy.getParamType(0));
1253 
1254   case LibFunc_sinpif:
1255   case LibFunc_cospif:
1256     return (NumParams == 1 && FTy.getReturnType()->isFloatTy() &&
1257             FTy.getReturnType() == FTy.getParamType(0));
1258 
1259   case LibFunc_strnlen:
1260     return (NumParams == 2 && FTy.getReturnType() == FTy.getParamType(1) &&
1261             FTy.getParamType(0) == PCharTy &&
1262             FTy.getParamType(1) == SizeTTy);
1263 
1264   case LibFunc_posix_memalign:
1265     return (NumParams == 3 && FTy.getReturnType()->isIntegerTy(32) &&
1266             FTy.getParamType(0)->isPointerTy() &&
1267             FTy.getParamType(1) == SizeTTy && FTy.getParamType(2) == SizeTTy);
1268 
1269   case LibFunc_wcslen:
1270     return (NumParams == 1 && FTy.getParamType(0)->isPointerTy() &&
1271             FTy.getReturnType()->isIntegerTy());
1272 
1273   case LibFunc_cabs:
1274   case LibFunc_cabsf:
1275   case LibFunc_cabsl: {
1276     Type* RetTy = FTy.getReturnType();
1277     if (!RetTy->isFloatingPointTy())
1278       return false;
1279 
1280     // NOTE: These prototypes are target specific and currently support
1281     // "complex" passed as an array or discrete real & imaginary parameters.
1282     // Add other calling conventions to enable libcall optimizations.
1283     if (NumParams == 1)
1284       return (FTy.getParamType(0)->isArrayTy() &&
1285               FTy.getParamType(0)->getArrayNumElements() == 2 &&
1286               FTy.getParamType(0)->getArrayElementType() == RetTy);
1287     else if (NumParams == 2)
1288       return (FTy.getParamType(0) == RetTy && FTy.getParamType(1) == RetTy);
1289     else
1290       return false;
1291   }
1292   case LibFunc::NumLibFuncs:
1293     break;
1294   }
1295 
1296   llvm_unreachable("Invalid libfunc");
1297 }
1298 
1299 bool TargetLibraryInfoImpl::getLibFunc(const Function &FDecl,
1300                                        LibFunc &F) const {
1301   const DataLayout *DL =
1302       FDecl.getParent() ? &FDecl.getParent()->getDataLayout() : nullptr;
1303   return getLibFunc(FDecl.getName(), F) &&
1304          isValidProtoForLibFunc(*FDecl.getFunctionType(), F, DL);
1305 }
1306 
1307 void TargetLibraryInfoImpl::disableAllFunctions() {
1308   memset(AvailableArray, 0, sizeof(AvailableArray));
1309 }
1310 
1311 static bool compareByScalarFnName(const VecDesc &LHS, const VecDesc &RHS) {
1312   return LHS.ScalarFnName < RHS.ScalarFnName;
1313 }
1314 
1315 static bool compareByVectorFnName(const VecDesc &LHS, const VecDesc &RHS) {
1316   return LHS.VectorFnName < RHS.VectorFnName;
1317 }
1318 
1319 static bool compareWithScalarFnName(const VecDesc &LHS, StringRef S) {
1320   return LHS.ScalarFnName < S;
1321 }
1322 
1323 static bool compareWithVectorFnName(const VecDesc &LHS, StringRef S) {
1324   return LHS.VectorFnName < S;
1325 }
1326 
1327 void TargetLibraryInfoImpl::addVectorizableFunctions(ArrayRef<VecDesc> Fns) {
1328   VectorDescs.insert(VectorDescs.end(), Fns.begin(), Fns.end());
1329   std::sort(VectorDescs.begin(), VectorDescs.end(), compareByScalarFnName);
1330 
1331   ScalarDescs.insert(ScalarDescs.end(), Fns.begin(), Fns.end());
1332   std::sort(ScalarDescs.begin(), ScalarDescs.end(), compareByVectorFnName);
1333 }
1334 
1335 void TargetLibraryInfoImpl::addVectorizableFunctionsFromVecLib(
1336     enum VectorLibrary VecLib) {
1337   switch (VecLib) {
1338   case Accelerate: {
1339     const VecDesc VecFuncs[] = {
1340         // Floating-Point Arithmetic and Auxiliary Functions
1341         {"ceilf", "vceilf", 4},
1342         {"fabsf", "vfabsf", 4},
1343         {"llvm.fabs.f32", "vfabsf", 4},
1344         {"floorf", "vfloorf", 4},
1345         {"sqrtf", "vsqrtf", 4},
1346         {"llvm.sqrt.f32", "vsqrtf", 4},
1347 
1348         // Exponential and Logarithmic Functions
1349         {"expf", "vexpf", 4},
1350         {"llvm.exp.f32", "vexpf", 4},
1351         {"expm1f", "vexpm1f", 4},
1352         {"logf", "vlogf", 4},
1353         {"llvm.log.f32", "vlogf", 4},
1354         {"log1pf", "vlog1pf", 4},
1355         {"log10f", "vlog10f", 4},
1356         {"llvm.log10.f32", "vlog10f", 4},
1357         {"logbf", "vlogbf", 4},
1358 
1359         // Trigonometric Functions
1360         {"sinf", "vsinf", 4},
1361         {"llvm.sin.f32", "vsinf", 4},
1362         {"cosf", "vcosf", 4},
1363         {"llvm.cos.f32", "vcosf", 4},
1364         {"tanf", "vtanf", 4},
1365         {"asinf", "vasinf", 4},
1366         {"acosf", "vacosf", 4},
1367         {"atanf", "vatanf", 4},
1368 
1369         // Hyperbolic Functions
1370         {"sinhf", "vsinhf", 4},
1371         {"coshf", "vcoshf", 4},
1372         {"tanhf", "vtanhf", 4},
1373         {"asinhf", "vasinhf", 4},
1374         {"acoshf", "vacoshf", 4},
1375         {"atanhf", "vatanhf", 4},
1376     };
1377     addVectorizableFunctions(VecFuncs);
1378     break;
1379   }
1380   case SVML: {
1381     const VecDesc VecFuncs[] = {
1382         {"sin", "__svml_sin2", 2},
1383         {"sin", "__svml_sin4", 4},
1384         {"sin", "__svml_sin8", 8},
1385 
1386         {"sinf", "__svml_sinf4", 4},
1387         {"sinf", "__svml_sinf8", 8},
1388         {"sinf", "__svml_sinf16", 16},
1389 
1390         {"cos", "__svml_cos2", 2},
1391         {"cos", "__svml_cos4", 4},
1392         {"cos", "__svml_cos8", 8},
1393 
1394         {"cosf", "__svml_cosf4", 4},
1395         {"cosf", "__svml_cosf8", 8},
1396         {"cosf", "__svml_cosf16", 16},
1397 
1398         {"pow", "__svml_pow2", 2},
1399         {"pow", "__svml_pow4", 4},
1400         {"pow", "__svml_pow8", 8},
1401 
1402         {"powf", "__svml_powf4", 4},
1403         {"powf", "__svml_powf8", 8},
1404         {"powf", "__svml_powf16", 16},
1405 
1406         { "__pow_finite", "__svml_pow2", 2 },
1407         { "__pow_finite", "__svml_pow4", 4 },
1408         { "__pow_finite", "__svml_pow8", 8 },
1409 
1410         { "__powf_finite", "__svml_powf4", 4 },
1411         { "__powf_finite", "__svml_powf8", 8 },
1412         { "__powf_finite", "__svml_powf16", 16 },
1413 
1414         {"llvm.pow.f64", "__svml_pow2", 2},
1415         {"llvm.pow.f64", "__svml_pow4", 4},
1416         {"llvm.pow.f64", "__svml_pow8", 8},
1417 
1418         {"llvm.pow.f32", "__svml_powf4", 4},
1419         {"llvm.pow.f32", "__svml_powf8", 8},
1420         {"llvm.pow.f32", "__svml_powf16", 16},
1421 
1422         {"exp", "__svml_exp2", 2},
1423         {"exp", "__svml_exp4", 4},
1424         {"exp", "__svml_exp8", 8},
1425 
1426         {"expf", "__svml_expf4", 4},
1427         {"expf", "__svml_expf8", 8},
1428         {"expf", "__svml_expf16", 16},
1429 
1430         { "__exp_finite", "__svml_exp2", 2 },
1431         { "__exp_finite", "__svml_exp4", 4 },
1432         { "__exp_finite", "__svml_exp8", 8 },
1433 
1434         { "__expf_finite", "__svml_expf4", 4 },
1435         { "__expf_finite", "__svml_expf8", 8 },
1436         { "__expf_finite", "__svml_expf16", 16 },
1437 
1438         {"llvm.exp.f64", "__svml_exp2", 2},
1439         {"llvm.exp.f64", "__svml_exp4", 4},
1440         {"llvm.exp.f64", "__svml_exp8", 8},
1441 
1442         {"llvm.exp.f32", "__svml_expf4", 4},
1443         {"llvm.exp.f32", "__svml_expf8", 8},
1444         {"llvm.exp.f32", "__svml_expf16", 16},
1445 
1446         {"log", "__svml_log2", 2},
1447         {"log", "__svml_log4", 4},
1448         {"log", "__svml_log8", 8},
1449 
1450         {"logf", "__svml_logf4", 4},
1451         {"logf", "__svml_logf8", 8},
1452         {"logf", "__svml_logf16", 16},
1453 
1454         { "__log_finite", "__svml_log2", 2 },
1455         { "__log_finite", "__svml_log4", 4 },
1456         { "__log_finite", "__svml_log8", 8 },
1457 
1458         { "__logf_finite", "__svml_logf4", 4 },
1459         { "__logf_finite", "__svml_logf8", 8 },
1460         { "__logf_finite", "__svml_logf16", 16 },
1461 
1462         {"llvm.log.f64", "__svml_log2", 2},
1463         {"llvm.log.f64", "__svml_log4", 4},
1464         {"llvm.log.f64", "__svml_log8", 8},
1465 
1466         {"llvm.log.f32", "__svml_logf4", 4},
1467         {"llvm.log.f32", "__svml_logf8", 8},
1468         {"llvm.log.f32", "__svml_logf16", 16},
1469     };
1470     addVectorizableFunctions(VecFuncs);
1471     break;
1472   }
1473   case NoLibrary:
1474     break;
1475   }
1476 }
1477 
1478 bool TargetLibraryInfoImpl::isFunctionVectorizable(StringRef funcName) const {
1479   funcName = sanitizeFunctionName(funcName);
1480   if (funcName.empty())
1481     return false;
1482 
1483   std::vector<VecDesc>::const_iterator I = std::lower_bound(
1484       VectorDescs.begin(), VectorDescs.end(), funcName,
1485       compareWithScalarFnName);
1486   return I != VectorDescs.end() && StringRef(I->ScalarFnName) == funcName;
1487 }
1488 
1489 StringRef TargetLibraryInfoImpl::getVectorizedFunction(StringRef F,
1490                                                        unsigned VF) const {
1491   F = sanitizeFunctionName(F);
1492   if (F.empty())
1493     return F;
1494   std::vector<VecDesc>::const_iterator I = std::lower_bound(
1495       VectorDescs.begin(), VectorDescs.end(), F, compareWithScalarFnName);
1496   while (I != VectorDescs.end() && StringRef(I->ScalarFnName) == F) {
1497     if (I->VectorizationFactor == VF)
1498       return I->VectorFnName;
1499     ++I;
1500   }
1501   return StringRef();
1502 }
1503 
1504 StringRef TargetLibraryInfoImpl::getScalarizedFunction(StringRef F,
1505                                                        unsigned &VF) const {
1506   F = sanitizeFunctionName(F);
1507   if (F.empty())
1508     return F;
1509 
1510   std::vector<VecDesc>::const_iterator I = std::lower_bound(
1511       ScalarDescs.begin(), ScalarDescs.end(), F, compareWithVectorFnName);
1512   if (I == VectorDescs.end() || StringRef(I->VectorFnName) != F)
1513     return StringRef();
1514   VF = I->VectorizationFactor;
1515   return I->ScalarFnName;
1516 }
1517 
1518 TargetLibraryInfo TargetLibraryAnalysis::run(Module &M,
1519                                              ModuleAnalysisManager &) {
1520   if (PresetInfoImpl)
1521     return TargetLibraryInfo(*PresetInfoImpl);
1522 
1523   return TargetLibraryInfo(lookupInfoImpl(Triple(M.getTargetTriple())));
1524 }
1525 
1526 TargetLibraryInfo TargetLibraryAnalysis::run(Function &F,
1527                                              FunctionAnalysisManager &) {
1528   if (PresetInfoImpl)
1529     return TargetLibraryInfo(*PresetInfoImpl);
1530 
1531   return TargetLibraryInfo(
1532       lookupInfoImpl(Triple(F.getParent()->getTargetTriple())));
1533 }
1534 
1535 TargetLibraryInfoImpl &TargetLibraryAnalysis::lookupInfoImpl(const Triple &T) {
1536   std::unique_ptr<TargetLibraryInfoImpl> &Impl =
1537       Impls[T.normalize()];
1538   if (!Impl)
1539     Impl.reset(new TargetLibraryInfoImpl(T));
1540 
1541   return *Impl;
1542 }
1543 
1544 unsigned TargetLibraryInfoImpl::getWCharSize(const Module &M) const {
1545   if (auto *ShortWChar = cast_or_null<ConstantAsMetadata>(
1546       M.getModuleFlag("wchar_size")))
1547     return cast<ConstantInt>(ShortWChar->getValue())->getZExtValue();
1548   return 0;
1549 }
1550 
1551 TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass()
1552     : ImmutablePass(ID), TLIImpl(), TLI(TLIImpl) {
1553   initializeTargetLibraryInfoWrapperPassPass(*PassRegistry::getPassRegistry());
1554 }
1555 
1556 TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass(const Triple &T)
1557     : ImmutablePass(ID), TLIImpl(T), TLI(TLIImpl) {
1558   initializeTargetLibraryInfoWrapperPassPass(*PassRegistry::getPassRegistry());
1559 }
1560 
1561 TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass(
1562     const TargetLibraryInfoImpl &TLIImpl)
1563     : ImmutablePass(ID), TLIImpl(TLIImpl), TLI(this->TLIImpl) {
1564   initializeTargetLibraryInfoWrapperPassPass(*PassRegistry::getPassRegistry());
1565 }
1566 
1567 AnalysisKey TargetLibraryAnalysis::Key;
1568 
1569 // Register the basic pass.
1570 INITIALIZE_PASS(TargetLibraryInfoWrapperPass, "targetlibinfo",
1571                 "Target Library Information", false, true)
1572 char TargetLibraryInfoWrapperPass::ID = 0;
1573 
1574 void TargetLibraryInfoWrapperPass::anchor() {}
1575