blob: 47a84bd382a1f7793484942e264f2993c8c3ed18 [file] [log] [blame]
Chris Lattner0e125bb2011-02-18 21:50:34 +00001//===-- 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
Chandler Carruth62d42152015-01-15 02:16:27 +000014#include "llvm/Analysis/TargetLibraryInfo.h"
Chris Lattner0e125bb2011-02-18 21:50:34 +000015#include "llvm/ADT/Triple.h"
Matthias Braun50ec0b52017-05-19 22:37:09 +000016#include "llvm/IR/Constants.h"
Michael Zolotukhin6d8a2aa2015-03-17 19:50:55 +000017#include "llvm/Support/CommandLine.h"
Chris Lattner0e125bb2011-02-18 21:50:34 +000018using namespace llvm;
19
Michael Zolotukhin6d8a2aa2015-03-17 19:50:55 +000020static 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"),
Matt Mastena6669a12016-07-29 16:42:44 +000027 clEnumValN(TargetLibraryInfoImpl::SVML, "SVML",
Mehdi Amini732afdd2016-10-08 19:41:06 +000028 "Intel SVML library")));
Michael Zolotukhin6d8a2aa2015-03-17 19:50:55 +000029
Mehdi Amini9a72cd72016-10-01 03:10:48 +000030StringRef const TargetLibraryInfoImpl::StandardNames[LibFunc::NumLibFuncs] = {
Jan Wen Voungcd3d25a2015-03-03 23:41:58 +000031#define TLI_DEFINE_STRING
32#include "llvm/Analysis/TargetLibraryInfo.def"
Benjamin Kramer57a3d082015-03-08 16:07:39 +000033};
Eli Friedman489c0ff2011-11-17 01:27:36 +000034
Bob Wilsond8d92d92013-11-03 06:48:38 +000035static bool hasSinCosPiStret(const Triple &T) {
36 // Only Darwin variants have _stret versions of combined trig functions.
Bob Wilson9868d712014-10-09 05:43:30 +000037 if (!T.isOSDarwin())
Bob Wilsond8d92d92013-11-03 06:48:38 +000038 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
Bob Wilson9868d712014-10-09 05:43:30 +000047 if (T.isiOS() && T.isOSVersionLT(7, 0))
Bob Wilsond8d92d92013-11-03 06:48:38 +000048 return false;
49
50 return true;
51}
52
Chris Lattner0e125bb2011-02-18 21:50:34 +000053/// initialize - Initialize the set of available library functions based on the
54/// specified target triple. This should be carefully written so that a missing
55/// target triple gets a sane set of defaults.
Chandler Carruthc0291862015-01-24 02:06:09 +000056static void initialize(TargetLibraryInfoImpl &TLI, const Triple &T,
Mehdi Amini9a72cd72016-10-01 03:10:48 +000057 ArrayRef<StringRef> StandardNames) {
Bob Wilsonc740e3f2012-08-03 04:06:22 +000058 // Verify that the StandardNames array is in alphabetical order.
Craig Toppere30b8ca2016-01-03 19:43:40 +000059 assert(std::is_sorted(StandardNames.begin(), StandardNames.end(),
Mehdi Amini9a72cd72016-10-01 03:10:48 +000060 [](StringRef LHS, StringRef RHS) {
61 return LHS < RHS;
Craig Toppere30b8ca2016-01-03 19:43:40 +000062 }) &&
63 "TargetLibraryInfoImpl function names must be sorted");
Tom Stellard36a03182014-04-02 19:53:29 +000064
Marcin Koscielnicki6af8e6c2016-11-21 20:20:39 +000065 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
Nicolai Hahnle78fd4f02015-12-15 17:24:15 +000084 if (T.getArch() == Triple::r600 ||
85 T.getArch() == Triple::amdgcn) {
David L. Jonesd21529f2017-01-23 23:16:46 +000086 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);
Nicolai Hahnle78fd4f02015-12-15 17:24:15 +000095 }
96
Tom Stellardd00a9232015-01-07 01:17:37 +000097 // There are no library implementations of mempcy and memset for AMD gpus and
Tom Stellard36a03182014-04-02 19:53:29 +000098 // these can be difficult to lower in the backend.
Tom Stellardd00a9232015-01-07 01:17:37 +000099 if (T.getArch() == Triple::r600 ||
Dan Gohman05532992016-01-19 14:49:23 +0000100 T.getArch() == Triple::amdgcn) {
David L. Jonesd21529f2017-01-23 23:16:46 +0000101 TLI.setUnavailable(LibFunc_memcpy);
102 TLI.setUnavailable(LibFunc_memset);
103 TLI.setUnavailable(LibFunc_memset_pattern16);
Tom Stellard36a03182014-04-02 19:53:29 +0000104 return;
105 }
106
Nico Weberad156922014-03-07 18:08:54 +0000107 // memset_pattern16 is only available on iOS 3.0 and Mac OS X 10.5 and later.
Tim Northover8b403662015-10-28 22:51:16 +0000108 // All versions of watchOS support it.
Daniel Dunbarcd01ed52011-04-20 00:14:25 +0000109 if (T.isMacOSX()) {
110 if (T.isMacOSXVersionLT(10, 5))
David L. Jonesd21529f2017-01-23 23:16:46 +0000111 TLI.setUnavailable(LibFunc_memset_pattern16);
Cameron Esfahani943908b2013-08-29 20:23:14 +0000112 } else if (T.isiOS()) {
Daniel Dunbar9483bb62011-04-19 20:44:08 +0000113 if (T.isOSVersionLT(3, 0))
David L. Jonesd21529f2017-01-23 23:16:46 +0000114 TLI.setUnavailable(LibFunc_memset_pattern16);
Tim Northover8b403662015-10-28 22:51:16 +0000115 } else if (!T.isWatchOS()) {
David L. Jonesd21529f2017-01-23 23:16:46 +0000116 TLI.setUnavailable(LibFunc_memset_pattern16);
Daniel Dunbar9483bb62011-04-19 20:44:08 +0000117 }
Richard Osborne815de532011-03-03 13:17:51 +0000118
Bob Wilsond8d92d92013-11-03 06:48:38 +0000119 if (!hasSinCosPiStret(T)) {
David L. Jonesd21529f2017-01-23 23:16:46 +0000120 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);
Bob Wilsond8d92d92013-11-03 06:48:38 +0000126 }
127
Eli Friedman489c0ff2011-11-17 01:27:36 +0000128 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 $UNIX2003 suffix. The two implementations are identical except
133 // for the return value in some edge cases. However, we don't want to
134 // generate code that depends on the old symbols.
David L. Jonesd21529f2017-01-23 23:16:46 +0000135 TLI.setAvailableWithName(LibFunc_fwrite, "fwrite$UNIX2003");
136 TLI.setAvailableWithName(LibFunc_fputs, "fputs$UNIX2003");
Eli Friedman489c0ff2011-11-17 01:27:36 +0000137 }
138
Duncan Sandseeb50c82011-06-09 11:11:45 +0000139 // iprintf and friends are only available on XCore and TCE.
140 if (T.getArch() != Triple::xcore && T.getArch() != Triple::tce) {
David L. Jonesd21529f2017-01-23 23:16:46 +0000141 TLI.setUnavailable(LibFunc_iprintf);
142 TLI.setUnavailable(LibFunc_siprintf);
143 TLI.setUnavailable(LibFunc_fiprintf);
Richard Osborne2dfb8882011-03-03 14:09:28 +0000144 }
Joe Groffa81bcbb2012-04-17 23:05:54 +0000145
Saleem Abdulrasool8dc8fb12014-07-24 22:09:06 +0000146 if (T.isOSWindows() && !T.isOSCygMing()) {
Joe Groffa81bcbb2012-04-17 23:05:54 +0000147 // Win32 does not support long double
David L. Jonesd21529f2017-01-23 23:16:46 +0000148 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);
Joe Groffa81bcbb2012-04-17 23:05:54 +0000174
175 // Win32 only has C89 math
David L. Jonesd21529f2017-01-23 23:16:46 +0000176 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_cbrt);
186 TLI.setUnavailable(LibFunc_cbrtf);
187 TLI.setUnavailable(LibFunc_cbrtl);
188 TLI.setUnavailable(LibFunc_exp2);
189 TLI.setUnavailable(LibFunc_exp2f);
190 TLI.setUnavailable(LibFunc_exp2l);
191 TLI.setUnavailable(LibFunc_expm1);
192 TLI.setUnavailable(LibFunc_expm1f);
193 TLI.setUnavailable(LibFunc_expm1l);
194 TLI.setUnavailable(LibFunc_log2);
195 TLI.setUnavailable(LibFunc_log2f);
196 TLI.setUnavailable(LibFunc_log2l);
197 TLI.setUnavailable(LibFunc_log1p);
198 TLI.setUnavailable(LibFunc_log1pf);
199 TLI.setUnavailable(LibFunc_log1pl);
200 TLI.setUnavailable(LibFunc_logb);
201 TLI.setUnavailable(LibFunc_logbf);
202 TLI.setUnavailable(LibFunc_logbl);
203 TLI.setUnavailable(LibFunc_nearbyint);
204 TLI.setUnavailable(LibFunc_nearbyintf);
205 TLI.setUnavailable(LibFunc_nearbyintl);
206 TLI.setUnavailable(LibFunc_rint);
207 TLI.setUnavailable(LibFunc_rintf);
208 TLI.setUnavailable(LibFunc_rintl);
209 TLI.setUnavailable(LibFunc_round);
210 TLI.setUnavailable(LibFunc_roundf);
211 TLI.setUnavailable(LibFunc_roundl);
212 TLI.setUnavailable(LibFunc_trunc);
213 TLI.setUnavailable(LibFunc_truncf);
214 TLI.setUnavailable(LibFunc_truncl);
Joe Groffa81bcbb2012-04-17 23:05:54 +0000215
216 // Win32 provides some C99 math with mangled names
David L. Jonesd21529f2017-01-23 23:16:46 +0000217 TLI.setAvailableWithName(LibFunc_copysign, "_copysign");
Joe Groffa81bcbb2012-04-17 23:05:54 +0000218
219 if (T.getArch() == Triple::x86) {
220 // Win32 on x86 implements single-precision math functions as macros
David L. Jonesd21529f2017-01-23 23:16:46 +0000221 TLI.setUnavailable(LibFunc_acosf);
222 TLI.setUnavailable(LibFunc_asinf);
223 TLI.setUnavailable(LibFunc_atanf);
224 TLI.setUnavailable(LibFunc_atan2f);
225 TLI.setUnavailable(LibFunc_ceilf);
226 TLI.setUnavailable(LibFunc_copysignf);
227 TLI.setUnavailable(LibFunc_cosf);
228 TLI.setUnavailable(LibFunc_coshf);
229 TLI.setUnavailable(LibFunc_expf);
230 TLI.setUnavailable(LibFunc_floorf);
231 TLI.setUnavailable(LibFunc_fminf);
232 TLI.setUnavailable(LibFunc_fmaxf);
233 TLI.setUnavailable(LibFunc_fmodf);
234 TLI.setUnavailable(LibFunc_logf);
235 TLI.setUnavailable(LibFunc_log10f);
236 TLI.setUnavailable(LibFunc_modff);
237 TLI.setUnavailable(LibFunc_powf);
238 TLI.setUnavailable(LibFunc_sinf);
239 TLI.setUnavailable(LibFunc_sinhf);
240 TLI.setUnavailable(LibFunc_sqrtf);
241 TLI.setUnavailable(LibFunc_tanf);
242 TLI.setUnavailable(LibFunc_tanhf);
Joe Groffa81bcbb2012-04-17 23:05:54 +0000243 }
Meador Inge2526a422012-11-10 03:11:06 +0000244
Andrew Kaylor3cd8c162017-05-12 22:11:12 +0000245 // These definitions are due to math-finite.h header on Linux
246 TLI.setUnavailable(LibFunc_acos_finite);
247 TLI.setUnavailable(LibFunc_acosf_finite);
248 TLI.setUnavailable(LibFunc_acosl_finite);
249 TLI.setUnavailable(LibFunc_acosh_finite);
250 TLI.setUnavailable(LibFunc_acoshf_finite);
251 TLI.setUnavailable(LibFunc_acoshl_finite);
252 TLI.setUnavailable(LibFunc_asin_finite);
253 TLI.setUnavailable(LibFunc_asinf_finite);
254 TLI.setUnavailable(LibFunc_asinl_finite);
255 TLI.setUnavailable(LibFunc_atan2_finite);
256 TLI.setUnavailable(LibFunc_atan2f_finite);
257 TLI.setUnavailable(LibFunc_atan2l_finite);
258 TLI.setUnavailable(LibFunc_atanh_finite);
259 TLI.setUnavailable(LibFunc_atanhf_finite);
260 TLI.setUnavailable(LibFunc_atanhl_finite);
261 TLI.setUnavailable(LibFunc_cosh_finite);
262 TLI.setUnavailable(LibFunc_coshf_finite);
263 TLI.setUnavailable(LibFunc_coshl_finite);
264 TLI.setUnavailable(LibFunc_exp10_finite);
265 TLI.setUnavailable(LibFunc_exp10f_finite);
266 TLI.setUnavailable(LibFunc_exp10l_finite);
267 TLI.setUnavailable(LibFunc_exp2_finite);
268 TLI.setUnavailable(LibFunc_exp2f_finite);
269 TLI.setUnavailable(LibFunc_exp2l_finite);
270 TLI.setUnavailable(LibFunc_exp_finite);
271 TLI.setUnavailable(LibFunc_expf_finite);
272 TLI.setUnavailable(LibFunc_expl_finite);
273 TLI.setUnavailable(LibFunc_log10_finite);
274 TLI.setUnavailable(LibFunc_log10f_finite);
275 TLI.setUnavailable(LibFunc_log10l_finite);
276 TLI.setUnavailable(LibFunc_log2_finite);
277 TLI.setUnavailable(LibFunc_log2f_finite);
278 TLI.setUnavailable(LibFunc_log2l_finite);
279 TLI.setUnavailable(LibFunc_log_finite);
280 TLI.setUnavailable(LibFunc_logf_finite);
281 TLI.setUnavailable(LibFunc_logl_finite);
282 TLI.setUnavailable(LibFunc_pow_finite);
283 TLI.setUnavailable(LibFunc_powf_finite);
284 TLI.setUnavailable(LibFunc_powl_finite);
285 TLI.setUnavailable(LibFunc_sinh_finite);
286 TLI.setUnavailable(LibFunc_sinhf_finite);
287 TLI.setUnavailable(LibFunc_sinhl_finite);
288
Meador Ingeb904e6e2013-03-05 21:47:40 +0000289 // Win32 does *not* provide provide these functions, but they are
290 // generally available on POSIX-compliant systems:
David L. Jonesd21529f2017-01-23 23:16:46 +0000291 TLI.setUnavailable(LibFunc_access);
292 TLI.setUnavailable(LibFunc_bcmp);
293 TLI.setUnavailable(LibFunc_bcopy);
294 TLI.setUnavailable(LibFunc_bzero);
295 TLI.setUnavailable(LibFunc_chmod);
296 TLI.setUnavailable(LibFunc_chown);
297 TLI.setUnavailable(LibFunc_closedir);
298 TLI.setUnavailable(LibFunc_ctermid);
299 TLI.setUnavailable(LibFunc_fdopen);
300 TLI.setUnavailable(LibFunc_ffs);
301 TLI.setUnavailable(LibFunc_fileno);
302 TLI.setUnavailable(LibFunc_flockfile);
303 TLI.setUnavailable(LibFunc_fseeko);
304 TLI.setUnavailable(LibFunc_fstat);
305 TLI.setUnavailable(LibFunc_fstatvfs);
306 TLI.setUnavailable(LibFunc_ftello);
307 TLI.setUnavailable(LibFunc_ftrylockfile);
308 TLI.setUnavailable(LibFunc_funlockfile);
309 TLI.setUnavailable(LibFunc_getc_unlocked);
310 TLI.setUnavailable(LibFunc_getitimer);
311 TLI.setUnavailable(LibFunc_getlogin_r);
312 TLI.setUnavailable(LibFunc_getpwnam);
313 TLI.setUnavailable(LibFunc_gettimeofday);
314 TLI.setUnavailable(LibFunc_htonl);
315 TLI.setUnavailable(LibFunc_htons);
316 TLI.setUnavailable(LibFunc_lchown);
317 TLI.setUnavailable(LibFunc_lstat);
318 TLI.setUnavailable(LibFunc_memccpy);
319 TLI.setUnavailable(LibFunc_mkdir);
320 TLI.setUnavailable(LibFunc_ntohl);
321 TLI.setUnavailable(LibFunc_ntohs);
322 TLI.setUnavailable(LibFunc_open);
323 TLI.setUnavailable(LibFunc_opendir);
324 TLI.setUnavailable(LibFunc_pclose);
325 TLI.setUnavailable(LibFunc_popen);
326 TLI.setUnavailable(LibFunc_pread);
327 TLI.setUnavailable(LibFunc_pwrite);
328 TLI.setUnavailable(LibFunc_read);
329 TLI.setUnavailable(LibFunc_readlink);
330 TLI.setUnavailable(LibFunc_realpath);
331 TLI.setUnavailable(LibFunc_rmdir);
332 TLI.setUnavailable(LibFunc_setitimer);
333 TLI.setUnavailable(LibFunc_stat);
334 TLI.setUnavailable(LibFunc_statvfs);
335 TLI.setUnavailable(LibFunc_stpcpy);
336 TLI.setUnavailable(LibFunc_stpncpy);
337 TLI.setUnavailable(LibFunc_strcasecmp);
338 TLI.setUnavailable(LibFunc_strncasecmp);
339 TLI.setUnavailable(LibFunc_times);
340 TLI.setUnavailable(LibFunc_uname);
341 TLI.setUnavailable(LibFunc_unlink);
342 TLI.setUnavailable(LibFunc_unsetenv);
343 TLI.setUnavailable(LibFunc_utime);
344 TLI.setUnavailable(LibFunc_utimes);
345 TLI.setUnavailable(LibFunc_write);
Meador Inge780a1862012-11-22 15:36:42 +0000346
Meador Ingeb904e6e2013-03-05 21:47:40 +0000347 // Win32 does *not* provide provide these functions, but they are
348 // specified by C99:
David L. Jonesd21529f2017-01-23 23:16:46 +0000349 TLI.setUnavailable(LibFunc_atoll);
350 TLI.setUnavailable(LibFunc_frexpf);
351 TLI.setUnavailable(LibFunc_llabs);
Meador Inge780a1862012-11-22 15:36:42 +0000352 }
353
Reid Klecknerf4355ee2013-12-26 19:17:04 +0000354 switch (T.getOS()) {
Reid Klecknerf4355ee2013-12-26 19:17:04 +0000355 case Triple::MacOSX:
Chandler Carruthf5689f82013-12-28 02:40:19 +0000356 // exp10 and exp10f are not available on OS X until 10.9 and iOS until 7.0
357 // and their names are __exp10 and __exp10f. exp10l is not available on
358 // OS X or iOS.
David L. Jonesd21529f2017-01-23 23:16:46 +0000359 TLI.setUnavailable(LibFunc_exp10l);
Reid Klecknerf4355ee2013-12-26 19:17:04 +0000360 if (T.isMacOSXVersionLT(10, 9)) {
David L. Jonesd21529f2017-01-23 23:16:46 +0000361 TLI.setUnavailable(LibFunc_exp10);
362 TLI.setUnavailable(LibFunc_exp10f);
Reid Klecknerf4355ee2013-12-26 19:17:04 +0000363 } else {
David L. Jonesd21529f2017-01-23 23:16:46 +0000364 TLI.setAvailableWithName(LibFunc_exp10, "__exp10");
365 TLI.setAvailableWithName(LibFunc_exp10f, "__exp10f");
Reid Klecknerf4355ee2013-12-26 19:17:04 +0000366 }
367 break;
368 case Triple::IOS:
Tim Northover89a6eef2015-11-02 18:00:00 +0000369 case Triple::TvOS:
Tim Northover8b403662015-10-28 22:51:16 +0000370 case Triple::WatchOS:
David L. Jonesd21529f2017-01-23 23:16:46 +0000371 TLI.setUnavailable(LibFunc_exp10l);
Tim Northover8b403662015-10-28 22:51:16 +0000372 if (!T.isWatchOS() && (T.isOSVersionLT(7, 0) ||
373 (T.isOSVersionLT(9, 0) &&
374 (T.getArch() == Triple::x86 ||
375 T.getArch() == Triple::x86_64)))) {
David L. Jonesd21529f2017-01-23 23:16:46 +0000376 TLI.setUnavailable(LibFunc_exp10);
377 TLI.setUnavailable(LibFunc_exp10f);
Reid Klecknerf4355ee2013-12-26 19:17:04 +0000378 } else {
David L. Jonesd21529f2017-01-23 23:16:46 +0000379 TLI.setAvailableWithName(LibFunc_exp10, "__exp10");
380 TLI.setAvailableWithName(LibFunc_exp10f, "__exp10f");
Reid Klecknerf4355ee2013-12-26 19:17:04 +0000381 }
382 break;
Chandler Carruthf5689f82013-12-28 02:40:19 +0000383 case Triple::Linux:
384 // exp10, exp10f, exp10l is available on Linux (GLIBC) but are extremely
385 // buggy prior to glibc version 2.18. Until this version is widely deployed
386 // or we have a reasonable detection strategy, we cannot use exp10 reliably
387 // on Linux.
388 //
389 // Fall through to disable all of them.
Justin Bognercd1d5aa2016-08-17 20:30:52 +0000390 LLVM_FALLTHROUGH;
Reid Klecknerf4355ee2013-12-26 19:17:04 +0000391 default:
David L. Jonesd21529f2017-01-23 23:16:46 +0000392 TLI.setUnavailable(LibFunc_exp10);
393 TLI.setUnavailable(LibFunc_exp10f);
394 TLI.setUnavailable(LibFunc_exp10l);
Reid Klecknerf4355ee2013-12-26 19:17:04 +0000395 }
396
Meador Inge780a1862012-11-22 15:36:42 +0000397 // ffsl is available on at least Darwin, Mac OS X, iOS, FreeBSD, and
398 // Linux (GLIBC):
399 // http://developer.apple.com/library/mac/#documentation/Darwin/Reference/ManPages/man3/ffsl.3.html
Davide Italiano83b34812015-11-01 17:00:13 +0000400 // http://svn.freebsd.org/base/head/lib/libc/string/ffsl.c
Meador Inge780a1862012-11-22 15:36:42 +0000401 // http://www.gnu.org/software/gnulib/manual/html_node/ffsl.html
402 switch (T.getOS()) {
403 case Triple::Darwin:
404 case Triple::MacOSX:
405 case Triple::IOS:
Tim Northover89a6eef2015-11-02 18:00:00 +0000406 case Triple::TvOS:
Tim Northover8b403662015-10-28 22:51:16 +0000407 case Triple::WatchOS:
Meador Inge780a1862012-11-22 15:36:42 +0000408 case Triple::FreeBSD:
409 case Triple::Linux:
410 break;
411 default:
David L. Jonesd21529f2017-01-23 23:16:46 +0000412 TLI.setUnavailable(LibFunc_ffsl);
Meador Inge780a1862012-11-22 15:36:42 +0000413 }
414
415 // ffsll is available on at least FreeBSD and Linux (GLIBC):
Davide Italiano83b34812015-11-01 17:00:13 +0000416 // http://svn.freebsd.org/base/head/lib/libc/string/ffsll.c
Meador Inge780a1862012-11-22 15:36:42 +0000417 // http://www.gnu.org/software/gnulib/manual/html_node/ffsll.html
418 switch (T.getOS()) {
Tim Northover89a6eef2015-11-02 18:00:00 +0000419 case Triple::Darwin:
420 case Triple::MacOSX:
421 case Triple::IOS:
422 case Triple::TvOS:
423 case Triple::WatchOS:
Meador Inge780a1862012-11-22 15:36:42 +0000424 case Triple::FreeBSD:
425 case Triple::Linux:
426 break;
427 default:
David L. Jonesd21529f2017-01-23 23:16:46 +0000428 TLI.setUnavailable(LibFunc_ffsll);
Joe Groffa81bcbb2012-04-17 23:05:54 +0000429 }
Meador Ingeb904e6e2013-03-05 21:47:40 +0000430
Davide Italianobfd30822015-11-09 23:23:20 +0000431 // The following functions are available on at least FreeBSD:
432 // http://svn.freebsd.org/base/head/lib/libc/string/fls.c
433 // http://svn.freebsd.org/base/head/lib/libc/string/flsl.c
434 // http://svn.freebsd.org/base/head/lib/libc/string/flsll.c
435 if (!T.isOSFreeBSD()) {
David L. Jonesd21529f2017-01-23 23:16:46 +0000436 TLI.setUnavailable(LibFunc_fls);
437 TLI.setUnavailable(LibFunc_flsl);
438 TLI.setUnavailable(LibFunc_flsll);
Davide Italianobfd30822015-11-09 23:23:20 +0000439 }
440
Meador Ingeb904e6e2013-03-05 21:47:40 +0000441 // The following functions are available on at least Linux:
Cameron Esfahani943908b2013-08-29 20:23:14 +0000442 if (!T.isOSLinux()) {
David L. Jonesd21529f2017-01-23 23:16:46 +0000443 TLI.setUnavailable(LibFunc_dunder_strdup);
444 TLI.setUnavailable(LibFunc_dunder_strtok_r);
445 TLI.setUnavailable(LibFunc_dunder_isoc99_scanf);
446 TLI.setUnavailable(LibFunc_dunder_isoc99_sscanf);
447 TLI.setUnavailable(LibFunc_under_IO_getc);
448 TLI.setUnavailable(LibFunc_under_IO_putc);
449 TLI.setUnavailable(LibFunc_memalign);
450 TLI.setUnavailable(LibFunc_fopen64);
451 TLI.setUnavailable(LibFunc_fseeko64);
452 TLI.setUnavailable(LibFunc_fstat64);
453 TLI.setUnavailable(LibFunc_fstatvfs64);
454 TLI.setUnavailable(LibFunc_ftello64);
455 TLI.setUnavailable(LibFunc_lstat64);
456 TLI.setUnavailable(LibFunc_open64);
457 TLI.setUnavailable(LibFunc_stat64);
458 TLI.setUnavailable(LibFunc_statvfs64);
459 TLI.setUnavailable(LibFunc_tmpfile64);
Meador Ingeb904e6e2013-03-05 21:47:40 +0000460 }
Michael Zolotukhin6d8a2aa2015-03-17 19:50:55 +0000461
Justin Lebar51132882016-01-26 23:51:06 +0000462 // As currently implemented in clang, NVPTX code has no standard library to
463 // speak of. Headers provide a standard-ish library implementation, but many
464 // of the signatures are wrong -- for example, many libm functions are not
465 // extern "C".
466 //
467 // libdevice, an IR library provided by nvidia, is linked in by the front-end,
468 // but only used functions are provided to llvm. Moreover, most of the
469 // functions in libdevice don't map precisely to standard library functions.
470 //
471 // FIXME: Having no standard library prevents e.g. many fastmath
472 // optimizations, so this situation should be fixed.
David Majnemerae272d72016-03-31 21:29:57 +0000473 if (T.isNVPTX()) {
Justin Lebar51132882016-01-26 23:51:06 +0000474 TLI.disableAllFunctions();
David L. Jonesd21529f2017-01-23 23:16:46 +0000475 TLI.setAvailable(LibFunc_nvvm_reflect);
David Majnemerae272d72016-03-31 21:29:57 +0000476 } else {
David L. Jonesd21529f2017-01-23 23:16:46 +0000477 TLI.setUnavailable(LibFunc_nvvm_reflect);
David Majnemerae272d72016-03-31 21:29:57 +0000478 }
Justin Lebar51132882016-01-26 23:51:06 +0000479
Michael Zolotukhin6d8a2aa2015-03-17 19:50:55 +0000480 TLI.addVectorizableFunctionsFromVecLib(ClVectorLibrary);
Chris Lattner0e125bb2011-02-18 21:50:34 +0000481}
482
Chandler Carruthc0291862015-01-24 02:06:09 +0000483TargetLibraryInfoImpl::TargetLibraryInfoImpl() {
Chris Lattner0e125bb2011-02-18 21:50:34 +0000484 // Default to everything being available.
485 memset(AvailableArray, -1, sizeof(AvailableArray));
486
Bob Wilsonc740e3f2012-08-03 04:06:22 +0000487 initialize(*this, Triple(), StandardNames);
Chris Lattner0e125bb2011-02-18 21:50:34 +0000488}
489
Chandler Carruthc0291862015-01-24 02:06:09 +0000490TargetLibraryInfoImpl::TargetLibraryInfoImpl(const Triple &T) {
Chris Lattner0e125bb2011-02-18 21:50:34 +0000491 // Default to everything being available.
492 memset(AvailableArray, -1, sizeof(AvailableArray));
Chandler Carruthb98f63d2015-01-15 10:41:28 +0000493
Bob Wilsonc740e3f2012-08-03 04:06:22 +0000494 initialize(*this, T, StandardNames);
Chris Lattner0e125bb2011-02-18 21:50:34 +0000495}
Chris Lattner1341df92011-02-18 22:34:03 +0000496
Chandler Carruthc0291862015-01-24 02:06:09 +0000497TargetLibraryInfoImpl::TargetLibraryInfoImpl(const TargetLibraryInfoImpl &TLI)
Marcin Koscielnicki5ae2c522016-11-21 11:57:11 +0000498 : CustomNames(TLI.CustomNames), ShouldExtI32Param(TLI.ShouldExtI32Param),
499 ShouldExtI32Return(TLI.ShouldExtI32Return),
500 ShouldSignExtI32Param(TLI.ShouldSignExtI32Param) {
Chris Lattner4c0d9e22011-05-21 20:09:13 +0000501 memcpy(AvailableArray, TLI.AvailableArray, sizeof(AvailableArray));
Michael Zolotukhine8f25512015-03-17 19:22:30 +0000502 VectorDescs = TLI.VectorDescs;
503 ScalarDescs = TLI.ScalarDescs;
Chandler Carruth8ca43222015-01-15 11:39:46 +0000504}
505
Chandler Carruthc0291862015-01-24 02:06:09 +0000506TargetLibraryInfoImpl::TargetLibraryInfoImpl(TargetLibraryInfoImpl &&TLI)
Marcin Koscielnicki5ae2c522016-11-21 11:57:11 +0000507 : CustomNames(std::move(TLI.CustomNames)),
508 ShouldExtI32Param(TLI.ShouldExtI32Param),
509 ShouldExtI32Return(TLI.ShouldExtI32Return),
510 ShouldSignExtI32Param(TLI.ShouldSignExtI32Param) {
Chandler Carruth8ca43222015-01-15 11:39:46 +0000511 std::move(std::begin(TLI.AvailableArray), std::end(TLI.AvailableArray),
512 AvailableArray);
Michael Zolotukhine8f25512015-03-17 19:22:30 +0000513 VectorDescs = TLI.VectorDescs;
514 ScalarDescs = TLI.ScalarDescs;
Chandler Carruth8ca43222015-01-15 11:39:46 +0000515}
516
Chandler Carruthc0291862015-01-24 02:06:09 +0000517TargetLibraryInfoImpl &TargetLibraryInfoImpl::operator=(const TargetLibraryInfoImpl &TLI) {
Eli Friedman489c0ff2011-11-17 01:27:36 +0000518 CustomNames = TLI.CustomNames;
Marcin Koscielnicki5ae2c522016-11-21 11:57:11 +0000519 ShouldExtI32Param = TLI.ShouldExtI32Param;
520 ShouldExtI32Return = TLI.ShouldExtI32Return;
521 ShouldSignExtI32Param = TLI.ShouldSignExtI32Param;
Chandler Carruth8ca43222015-01-15 11:39:46 +0000522 memcpy(AvailableArray, TLI.AvailableArray, sizeof(AvailableArray));
523 return *this;
524}
525
Chandler Carruthc0291862015-01-24 02:06:09 +0000526TargetLibraryInfoImpl &TargetLibraryInfoImpl::operator=(TargetLibraryInfoImpl &&TLI) {
Chandler Carruth8ca43222015-01-15 11:39:46 +0000527 CustomNames = std::move(TLI.CustomNames);
Marcin Koscielnicki5ae2c522016-11-21 11:57:11 +0000528 ShouldExtI32Param = TLI.ShouldExtI32Param;
529 ShouldExtI32Return = TLI.ShouldExtI32Return;
530 ShouldSignExtI32Param = TLI.ShouldSignExtI32Param;
Chandler Carruth8ca43222015-01-15 11:39:46 +0000531 std::move(std::begin(TLI.AvailableArray), std::end(TLI.AvailableArray),
532 AvailableArray);
533 return *this;
Chris Lattner4c0d9e22011-05-21 20:09:13 +0000534}
535
Michael Zolotukhin21abdf92015-03-02 23:24:40 +0000536static StringRef sanitizeFunctionName(StringRef funcName) {
Benjamin Kramer160f72d2013-03-09 13:48:23 +0000537 // Filter out empty names and names containing null bytes, those can't be in
538 // our table.
539 if (funcName.empty() || funcName.find('\0') != StringRef::npos)
Michael Zolotukhin21abdf92015-03-02 23:24:40 +0000540 return StringRef();
Benjamin Kramer160f72d2013-03-09 13:48:23 +0000541
Meador Ingeb904e6e2013-03-05 21:47:40 +0000542 // Check for \01 prefix that is used to mangle __asm declarations and
543 // strip it if present.
Peter Collingbourne6f0ecca2017-05-16 00:39:01 +0000544 return GlobalValue::dropLLVMManglingEscape(funcName);
Michael Zolotukhin21abdf92015-03-02 23:24:40 +0000545}
546
547bool TargetLibraryInfoImpl::getLibFunc(StringRef funcName,
David L. Jonesd21529f2017-01-23 23:16:46 +0000548 LibFunc &F) const {
Mehdi Amini9a72cd72016-10-01 03:10:48 +0000549 StringRef const *Start = &StandardNames[0];
David L. Jonesd21529f2017-01-23 23:16:46 +0000550 StringRef const *End = &StandardNames[NumLibFuncs];
Michael Zolotukhin21abdf92015-03-02 23:24:40 +0000551
552 funcName = sanitizeFunctionName(funcName);
553 if (funcName.empty())
554 return false;
555
Mehdi Amini9a72cd72016-10-01 03:10:48 +0000556 StringRef const *I = std::lower_bound(
557 Start, End, funcName, [](StringRef LHS, StringRef RHS) {
558 return LHS < RHS;
Michael Zolotukhind3b76a32015-03-02 20:50:08 +0000559 });
Bob Wilsonc740e3f2012-08-03 04:06:22 +0000560 if (I != End && *I == funcName) {
David L. Jonesd21529f2017-01-23 23:16:46 +0000561 F = (LibFunc)(I - Start);
Bob Wilsonc740e3f2012-08-03 04:06:22 +0000562 return true;
563 }
564 return false;
565}
Chris Lattner4c0d9e22011-05-21 20:09:13 +0000566
Ahmed Bougachad765a822016-04-27 19:04:35 +0000567bool TargetLibraryInfoImpl::isValidProtoForLibFunc(const FunctionType &FTy,
David L. Jonesd21529f2017-01-23 23:16:46 +0000568 LibFunc F,
Ahmed Bougachad765a822016-04-27 19:04:35 +0000569 const DataLayout *DL) const {
570 LLVMContext &Ctx = FTy.getContext();
571 Type *PCharTy = Type::getInt8PtrTy(Ctx);
572 Type *SizeTTy = DL ? DL->getIntPtrType(Ctx, /*AS=*/0) : nullptr;
573 auto IsSizeTTy = [SizeTTy](Type *Ty) {
574 return SizeTTy ? Ty == SizeTTy : Ty->isIntegerTy();
575 };
576 unsigned NumParams = FTy.getNumParams();
577
578 switch (F) {
David L. Jonesd21529f2017-01-23 23:16:46 +0000579 case LibFunc_strlen:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000580 return (NumParams == 1 && FTy.getParamType(0)->isPointerTy() &&
581 FTy.getReturnType()->isIntegerTy());
582
David L. Jonesd21529f2017-01-23 23:16:46 +0000583 case LibFunc_strchr:
584 case LibFunc_strrchr:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000585 return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
586 FTy.getParamType(0) == FTy.getReturnType() &&
587 FTy.getParamType(1)->isIntegerTy());
588
David L. Jonesd21529f2017-01-23 23:16:46 +0000589 case LibFunc_strtol:
590 case LibFunc_strtod:
591 case LibFunc_strtof:
592 case LibFunc_strtoul:
593 case LibFunc_strtoll:
594 case LibFunc_strtold:
595 case LibFunc_strtoull:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000596 return ((NumParams == 2 || NumParams == 3) &&
597 FTy.getParamType(0)->isPointerTy() &&
598 FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000599 case LibFunc_strcat:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000600 return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
601 FTy.getParamType(0) == FTy.getReturnType() &&
602 FTy.getParamType(1) == FTy.getReturnType());
603
David L. Jonesd21529f2017-01-23 23:16:46 +0000604 case LibFunc_strncat:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000605 return (NumParams == 3 && FTy.getReturnType()->isPointerTy() &&
606 FTy.getParamType(0) == FTy.getReturnType() &&
607 FTy.getParamType(1) == FTy.getReturnType() &&
608 FTy.getParamType(2)->isIntegerTy());
609
David L. Jonesd21529f2017-01-23 23:16:46 +0000610 case LibFunc_strcpy_chk:
611 case LibFunc_stpcpy_chk:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000612 --NumParams;
613 if (!IsSizeTTy(FTy.getParamType(NumParams)))
614 return false;
Justin Bognerb03fd122016-08-17 05:10:15 +0000615 LLVM_FALLTHROUGH;
David L. Jonesd21529f2017-01-23 23:16:46 +0000616 case LibFunc_strcpy:
617 case LibFunc_stpcpy:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000618 return (NumParams == 2 && FTy.getReturnType() == FTy.getParamType(0) &&
619 FTy.getParamType(0) == FTy.getParamType(1) &&
620 FTy.getParamType(0) == PCharTy);
621
David L. Jonesd21529f2017-01-23 23:16:46 +0000622 case LibFunc_strncpy_chk:
623 case LibFunc_stpncpy_chk:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000624 --NumParams;
625 if (!IsSizeTTy(FTy.getParamType(NumParams)))
626 return false;
Justin Bognerb03fd122016-08-17 05:10:15 +0000627 LLVM_FALLTHROUGH;
David L. Jonesd21529f2017-01-23 23:16:46 +0000628 case LibFunc_strncpy:
629 case LibFunc_stpncpy:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000630 return (NumParams == 3 && FTy.getReturnType() == FTy.getParamType(0) &&
631 FTy.getParamType(0) == FTy.getParamType(1) &&
632 FTy.getParamType(0) == PCharTy &&
633 FTy.getParamType(2)->isIntegerTy());
634
David L. Jonesd21529f2017-01-23 23:16:46 +0000635 case LibFunc_strxfrm:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000636 return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
637 FTy.getParamType(1)->isPointerTy());
638
David L. Jonesd21529f2017-01-23 23:16:46 +0000639 case LibFunc_strcmp:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000640 return (NumParams == 2 && FTy.getReturnType()->isIntegerTy(32) &&
641 FTy.getParamType(0)->isPointerTy() &&
642 FTy.getParamType(0) == FTy.getParamType(1));
643
David L. Jonesd21529f2017-01-23 23:16:46 +0000644 case LibFunc_strncmp:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000645 return (NumParams == 3 && FTy.getReturnType()->isIntegerTy(32) &&
646 FTy.getParamType(0)->isPointerTy() &&
647 FTy.getParamType(0) == FTy.getParamType(1) &&
648 FTy.getParamType(2)->isIntegerTy());
649
David L. Jonesd21529f2017-01-23 23:16:46 +0000650 case LibFunc_strspn:
651 case LibFunc_strcspn:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000652 return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() &&
653 FTy.getParamType(0) == FTy.getParamType(1) &&
654 FTy.getReturnType()->isIntegerTy());
655
David L. Jonesd21529f2017-01-23 23:16:46 +0000656 case LibFunc_strcoll:
657 case LibFunc_strcasecmp:
658 case LibFunc_strncasecmp:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000659 return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
660 FTy.getParamType(1)->isPointerTy());
661
David L. Jonesd21529f2017-01-23 23:16:46 +0000662 case LibFunc_strstr:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000663 return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
664 FTy.getParamType(0)->isPointerTy() &&
665 FTy.getParamType(1)->isPointerTy());
666
David L. Jonesd21529f2017-01-23 23:16:46 +0000667 case LibFunc_strpbrk:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000668 return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() &&
669 FTy.getReturnType() == FTy.getParamType(0) &&
670 FTy.getParamType(0) == FTy.getParamType(1));
671
David L. Jonesd21529f2017-01-23 23:16:46 +0000672 case LibFunc_strtok:
673 case LibFunc_strtok_r:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000674 return (NumParams >= 2 && FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000675 case LibFunc_scanf:
676 case LibFunc_setbuf:
677 case LibFunc_setvbuf:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000678 return (NumParams >= 1 && FTy.getParamType(0)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000679 case LibFunc_strdup:
680 case LibFunc_strndup:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000681 return (NumParams >= 1 && FTy.getReturnType()->isPointerTy() &&
682 FTy.getParamType(0)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000683 case LibFunc_sscanf:
684 case LibFunc_stat:
685 case LibFunc_statvfs:
686 case LibFunc_siprintf:
687 case LibFunc_sprintf:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000688 return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
689 FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000690 case LibFunc_snprintf:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000691 return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
692 FTy.getParamType(2)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000693 case LibFunc_setitimer:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000694 return (NumParams == 3 && FTy.getParamType(1)->isPointerTy() &&
695 FTy.getParamType(2)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000696 case LibFunc_system:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000697 return (NumParams == 1 && FTy.getParamType(0)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000698 case LibFunc_malloc:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000699 return (NumParams == 1 && FTy.getReturnType()->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000700 case LibFunc_memcmp:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000701 return (NumParams == 3 && FTy.getReturnType()->isIntegerTy(32) &&
702 FTy.getParamType(0)->isPointerTy() &&
703 FTy.getParamType(1)->isPointerTy());
Ahmed Bougachad765a822016-04-27 19:04:35 +0000704
David L. Jonesd21529f2017-01-23 23:16:46 +0000705 case LibFunc_memchr:
706 case LibFunc_memrchr:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000707 return (NumParams == 3 && FTy.getReturnType()->isPointerTy() &&
708 FTy.getReturnType() == FTy.getParamType(0) &&
Ahmed Bougachad765a822016-04-27 19:04:35 +0000709 FTy.getParamType(1)->isIntegerTy(32) &&
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000710 IsSizeTTy(FTy.getParamType(2)));
David L. Jonesd21529f2017-01-23 23:16:46 +0000711 case LibFunc_modf:
712 case LibFunc_modff:
713 case LibFunc_modfl:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000714 return (NumParams >= 2 && FTy.getParamType(1)->isPointerTy());
715
David L. Jonesd21529f2017-01-23 23:16:46 +0000716 case LibFunc_memcpy_chk:
717 case LibFunc_memmove_chk:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000718 --NumParams;
719 if (!IsSizeTTy(FTy.getParamType(NumParams)))
720 return false;
Justin Bognerb03fd122016-08-17 05:10:15 +0000721 LLVM_FALLTHROUGH;
David L. Jonesd21529f2017-01-23 23:16:46 +0000722 case LibFunc_memcpy:
723 case LibFunc_mempcpy:
724 case LibFunc_memmove:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000725 return (NumParams == 3 && FTy.getReturnType() == FTy.getParamType(0) &&
726 FTy.getParamType(0)->isPointerTy() &&
727 FTy.getParamType(1)->isPointerTy() &&
728 IsSizeTTy(FTy.getParamType(2)));
729
David L. Jonesd21529f2017-01-23 23:16:46 +0000730 case LibFunc_memset_chk:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000731 --NumParams;
732 if (!IsSizeTTy(FTy.getParamType(NumParams)))
733 return false;
Justin Bognerb03fd122016-08-17 05:10:15 +0000734 LLVM_FALLTHROUGH;
David L. Jonesd21529f2017-01-23 23:16:46 +0000735 case LibFunc_memset:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000736 return (NumParams == 3 && FTy.getReturnType() == FTy.getParamType(0) &&
737 FTy.getParamType(0)->isPointerTy() &&
738 FTy.getParamType(1)->isIntegerTy() &&
739 IsSizeTTy(FTy.getParamType(2)));
740
David L. Jonesd21529f2017-01-23 23:16:46 +0000741 case LibFunc_memccpy:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000742 return (NumParams >= 2 && FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000743 case LibFunc_memalign:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000744 return (FTy.getReturnType()->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000745 case LibFunc_realloc:
746 case LibFunc_reallocf:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000747 return (NumParams == 2 && FTy.getReturnType() == PCharTy &&
748 FTy.getParamType(0) == FTy.getReturnType() &&
749 IsSizeTTy(FTy.getParamType(1)));
David L. Jonesd21529f2017-01-23 23:16:46 +0000750 case LibFunc_read:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000751 return (NumParams == 3 && FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000752 case LibFunc_rewind:
753 case LibFunc_rmdir:
754 case LibFunc_remove:
755 case LibFunc_realpath:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000756 return (NumParams >= 1 && FTy.getParamType(0)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000757 case LibFunc_rename:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000758 return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
759 FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000760 case LibFunc_readlink:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000761 return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
762 FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000763 case LibFunc_write:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000764 return (NumParams == 3 && FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000765 case LibFunc_bcopy:
766 case LibFunc_bcmp:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000767 return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
768 FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000769 case LibFunc_bzero:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000770 return (NumParams == 2 && FTy.getParamType(0)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000771 case LibFunc_calloc:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000772 return (NumParams == 2 && FTy.getReturnType()->isPointerTy());
Ahmed Bougacha1fe3f1c2016-05-25 20:22:45 +0000773
David L. Jonesd21529f2017-01-23 23:16:46 +0000774 case LibFunc_atof:
775 case LibFunc_atoi:
776 case LibFunc_atol:
777 case LibFunc_atoll:
778 case LibFunc_ferror:
779 case LibFunc_getenv:
780 case LibFunc_getpwnam:
781 case LibFunc_iprintf:
782 case LibFunc_pclose:
783 case LibFunc_perror:
784 case LibFunc_printf:
785 case LibFunc_puts:
786 case LibFunc_uname:
787 case LibFunc_under_IO_getc:
788 case LibFunc_unlink:
789 case LibFunc_unsetenv:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000790 return (NumParams == 1 && FTy.getParamType(0)->isPointerTy());
Ahmed Bougacha1fe3f1c2016-05-25 20:22:45 +0000791
David L. Jonesd21529f2017-01-23 23:16:46 +0000792 case LibFunc_access:
793 case LibFunc_chmod:
794 case LibFunc_chown:
795 case LibFunc_clearerr:
796 case LibFunc_closedir:
797 case LibFunc_ctermid:
798 case LibFunc_fclose:
799 case LibFunc_feof:
800 case LibFunc_fflush:
801 case LibFunc_fgetc:
802 case LibFunc_fileno:
803 case LibFunc_flockfile:
804 case LibFunc_free:
805 case LibFunc_fseek:
806 case LibFunc_fseeko64:
807 case LibFunc_fseeko:
808 case LibFunc_fsetpos:
809 case LibFunc_ftell:
810 case LibFunc_ftello64:
811 case LibFunc_ftello:
812 case LibFunc_ftrylockfile:
813 case LibFunc_funlockfile:
814 case LibFunc_getc:
815 case LibFunc_getc_unlocked:
816 case LibFunc_getlogin_r:
817 case LibFunc_mkdir:
818 case LibFunc_mktime:
819 case LibFunc_times:
Ahmed Bougacha1fe3f1c2016-05-25 20:22:45 +0000820 return (NumParams != 0 && FTy.getParamType(0)->isPointerTy());
821
David L. Jonesd21529f2017-01-23 23:16:46 +0000822 case LibFunc_fopen:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000823 return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
824 FTy.getParamType(0)->isPointerTy() &&
825 FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000826 case LibFunc_fdopen:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000827 return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
828 FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000829 case LibFunc_fputc:
830 case LibFunc_fstat:
831 case LibFunc_frexp:
832 case LibFunc_frexpf:
833 case LibFunc_frexpl:
834 case LibFunc_fstatvfs:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000835 return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000836 case LibFunc_fgets:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000837 return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
838 FTy.getParamType(2)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000839 case LibFunc_fread:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000840 return (NumParams == 4 && FTy.getParamType(0)->isPointerTy() &&
841 FTy.getParamType(3)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000842 case LibFunc_fwrite:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000843 return (NumParams == 4 && FTy.getReturnType()->isIntegerTy() &&
844 FTy.getParamType(0)->isPointerTy() &&
845 FTy.getParamType(1)->isIntegerTy() &&
846 FTy.getParamType(2)->isIntegerTy() &&
847 FTy.getParamType(3)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000848 case LibFunc_fputs:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000849 return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
850 FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000851 case LibFunc_fscanf:
852 case LibFunc_fiprintf:
853 case LibFunc_fprintf:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000854 return (NumParams >= 2 && FTy.getReturnType()->isIntegerTy() &&
855 FTy.getParamType(0)->isPointerTy() &&
Ahmed Bougachad765a822016-04-27 19:04:35 +0000856 FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000857 case LibFunc_fgetpos:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000858 return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
859 FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000860 case LibFunc_getchar:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000861 return (NumParams == 0 && FTy.getReturnType()->isIntegerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000862 case LibFunc_gets:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000863 return (NumParams == 1 && FTy.getParamType(0) == PCharTy);
David L. Jonesd21529f2017-01-23 23:16:46 +0000864 case LibFunc_getitimer:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000865 return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000866 case LibFunc_ungetc:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000867 return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000868 case LibFunc_utime:
869 case LibFunc_utimes:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000870 return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() &&
871 FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000872 case LibFunc_putc:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000873 return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000874 case LibFunc_pread:
875 case LibFunc_pwrite:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000876 return (NumParams == 4 && FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000877 case LibFunc_popen:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000878 return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
879 FTy.getParamType(0)->isPointerTy() &&
880 FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000881 case LibFunc_vscanf:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000882 return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000883 case LibFunc_vsscanf:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000884 return (NumParams == 3 && FTy.getParamType(1)->isPointerTy() &&
885 FTy.getParamType(2)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000886 case LibFunc_vfscanf:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000887 return (NumParams == 3 && FTy.getParamType(1)->isPointerTy() &&
888 FTy.getParamType(2)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000889 case LibFunc_valloc:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000890 return (FTy.getReturnType()->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000891 case LibFunc_vprintf:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000892 return (NumParams == 2 && FTy.getParamType(0)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000893 case LibFunc_vfprintf:
894 case LibFunc_vsprintf:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000895 return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
896 FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000897 case LibFunc_vsnprintf:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000898 return (NumParams == 4 && FTy.getParamType(0)->isPointerTy() &&
899 FTy.getParamType(2)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000900 case LibFunc_open:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000901 return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000902 case LibFunc_opendir:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000903 return (NumParams == 1 && FTy.getReturnType()->isPointerTy() &&
904 FTy.getParamType(0)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000905 case LibFunc_tmpfile:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000906 return (FTy.getReturnType()->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000907 case LibFunc_htonl:
908 case LibFunc_ntohl:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000909 return (NumParams == 1 && FTy.getReturnType()->isIntegerTy(32) &&
910 FTy.getReturnType() == FTy.getParamType(0));
David L. Jonesd21529f2017-01-23 23:16:46 +0000911 case LibFunc_htons:
912 case LibFunc_ntohs:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000913 return (NumParams == 1 && FTy.getReturnType()->isIntegerTy(16) &&
914 FTy.getReturnType() == FTy.getParamType(0));
David L. Jonesd21529f2017-01-23 23:16:46 +0000915 case LibFunc_lstat:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000916 return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() &&
917 FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000918 case LibFunc_lchown:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000919 return (NumParams == 3 && FTy.getParamType(0)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000920 case LibFunc_qsort:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000921 return (NumParams == 4 && FTy.getParamType(3)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000922 case LibFunc_dunder_strdup:
923 case LibFunc_dunder_strndup:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000924 return (NumParams >= 1 && FTy.getReturnType()->isPointerTy() &&
925 FTy.getParamType(0)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000926 case LibFunc_dunder_strtok_r:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000927 return (NumParams == 3 && FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000928 case LibFunc_under_IO_putc:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000929 return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000930 case LibFunc_dunder_isoc99_scanf:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000931 return (NumParams >= 1 && FTy.getParamType(0)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000932 case LibFunc_stat64:
933 case LibFunc_lstat64:
934 case LibFunc_statvfs64:
Michael Kuperstein79dcc272016-09-20 23:10:31 +0000935 return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() &&
Ahmed Bougachad765a822016-04-27 19:04:35 +0000936 FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000937 case LibFunc_dunder_isoc99_sscanf:
Michael Kuperstein79dcc272016-09-20 23:10:31 +0000938 return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
Ahmed Bougachad765a822016-04-27 19:04:35 +0000939 FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000940 case LibFunc_fopen64:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000941 return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
942 FTy.getParamType(0)->isPointerTy() &&
943 FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000944 case LibFunc_tmpfile64:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000945 return (FTy.getReturnType()->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000946 case LibFunc_fstat64:
947 case LibFunc_fstatvfs64:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000948 return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000949 case LibFunc_open64:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000950 return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy());
David L. Jonesd21529f2017-01-23 23:16:46 +0000951 case LibFunc_gettimeofday:
Ahmed Bougachad765a822016-04-27 19:04:35 +0000952 return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() &&
953 FTy.getParamType(1)->isPointerTy());
954
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000955 // new(unsigned int);
David L. Jonesd21529f2017-01-23 23:16:46 +0000956 case LibFunc_Znwj:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000957 // new(unsigned long);
David L. Jonesd21529f2017-01-23 23:16:46 +0000958 case LibFunc_Znwm:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000959 // new[](unsigned int);
David L. Jonesd21529f2017-01-23 23:16:46 +0000960 case LibFunc_Znaj:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000961 // new[](unsigned long);
David L. Jonesd21529f2017-01-23 23:16:46 +0000962 case LibFunc_Znam:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000963 // new(unsigned int);
David L. Jonesd21529f2017-01-23 23:16:46 +0000964 case LibFunc_msvc_new_int:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000965 // new(unsigned long long);
David L. Jonesd21529f2017-01-23 23:16:46 +0000966 case LibFunc_msvc_new_longlong:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000967 // new[](unsigned int);
David L. Jonesd21529f2017-01-23 23:16:46 +0000968 case LibFunc_msvc_new_array_int:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000969 // new[](unsigned long long);
David L. Jonesd21529f2017-01-23 23:16:46 +0000970 case LibFunc_msvc_new_array_longlong:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000971 return (NumParams == 1 && FTy.getReturnType()->isPointerTy());
972
973 // new(unsigned int, nothrow);
David L. Jonesd21529f2017-01-23 23:16:46 +0000974 case LibFunc_ZnwjRKSt9nothrow_t:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000975 // new(unsigned long, nothrow);
David L. Jonesd21529f2017-01-23 23:16:46 +0000976 case LibFunc_ZnwmRKSt9nothrow_t:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000977 // new[](unsigned int, nothrow);
David L. Jonesd21529f2017-01-23 23:16:46 +0000978 case LibFunc_ZnajRKSt9nothrow_t:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000979 // new[](unsigned long, nothrow);
David L. Jonesd21529f2017-01-23 23:16:46 +0000980 case LibFunc_ZnamRKSt9nothrow_t:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000981 // new(unsigned int, nothrow);
David L. Jonesd21529f2017-01-23 23:16:46 +0000982 case LibFunc_msvc_new_int_nothrow:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000983 // new(unsigned long long, nothrow);
David L. Jonesd21529f2017-01-23 23:16:46 +0000984 case LibFunc_msvc_new_longlong_nothrow:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000985 // new[](unsigned int, nothrow);
David L. Jonesd21529f2017-01-23 23:16:46 +0000986 case LibFunc_msvc_new_array_int_nothrow:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000987 // new[](unsigned long long, nothrow);
David L. Jonesd21529f2017-01-23 23:16:46 +0000988 case LibFunc_msvc_new_array_longlong_nothrow:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000989 return (NumParams == 2 && FTy.getReturnType()->isPointerTy());
990
991 // void operator delete[](void*);
David L. Jonesd21529f2017-01-23 23:16:46 +0000992 case LibFunc_ZdaPv:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000993 // void operator delete(void*);
David L. Jonesd21529f2017-01-23 23:16:46 +0000994 case LibFunc_ZdlPv:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000995 // void operator delete[](void*);
David L. Jonesd21529f2017-01-23 23:16:46 +0000996 case LibFunc_msvc_delete_array_ptr32:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000997 // void operator delete[](void*);
David L. Jonesd21529f2017-01-23 23:16:46 +0000998 case LibFunc_msvc_delete_array_ptr64:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +0000999 // void operator delete(void*);
David L. Jonesd21529f2017-01-23 23:16:46 +00001000 case LibFunc_msvc_delete_ptr32:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +00001001 // void operator delete(void*);
David L. Jonesd21529f2017-01-23 23:16:46 +00001002 case LibFunc_msvc_delete_ptr64:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +00001003 return (NumParams == 1 && FTy.getParamType(0)->isPointerTy());
1004
1005 // void operator delete[](void*, nothrow);
David L. Jonesd21529f2017-01-23 23:16:46 +00001006 case LibFunc_ZdaPvRKSt9nothrow_t:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +00001007 // void operator delete[](void*, unsigned int);
David L. Jonesd21529f2017-01-23 23:16:46 +00001008 case LibFunc_ZdaPvj:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +00001009 // void operator delete[](void*, unsigned long);
David L. Jonesd21529f2017-01-23 23:16:46 +00001010 case LibFunc_ZdaPvm:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +00001011 // void operator delete(void*, nothrow);
David L. Jonesd21529f2017-01-23 23:16:46 +00001012 case LibFunc_ZdlPvRKSt9nothrow_t:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +00001013 // void operator delete(void*, unsigned int);
David L. Jonesd21529f2017-01-23 23:16:46 +00001014 case LibFunc_ZdlPvj:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +00001015 // void operator delete(void*, unsigned long);
David L. Jonesd21529f2017-01-23 23:16:46 +00001016 case LibFunc_ZdlPvm:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +00001017 // void operator delete[](void*, unsigned int);
David L. Jonesd21529f2017-01-23 23:16:46 +00001018 case LibFunc_msvc_delete_array_ptr32_int:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +00001019 // void operator delete[](void*, nothrow);
David L. Jonesd21529f2017-01-23 23:16:46 +00001020 case LibFunc_msvc_delete_array_ptr32_nothrow:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +00001021 // void operator delete[](void*, unsigned long long);
David L. Jonesd21529f2017-01-23 23:16:46 +00001022 case LibFunc_msvc_delete_array_ptr64_longlong:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +00001023 // void operator delete[](void*, nothrow);
David L. Jonesd21529f2017-01-23 23:16:46 +00001024 case LibFunc_msvc_delete_array_ptr64_nothrow:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +00001025 // void operator delete(void*, unsigned int);
David L. Jonesd21529f2017-01-23 23:16:46 +00001026 case LibFunc_msvc_delete_ptr32_int:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +00001027 // void operator delete(void*, nothrow);
David L. Jonesd21529f2017-01-23 23:16:46 +00001028 case LibFunc_msvc_delete_ptr32_nothrow:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +00001029 // void operator delete(void*, unsigned long long);
David L. Jonesd21529f2017-01-23 23:16:46 +00001030 case LibFunc_msvc_delete_ptr64_longlong:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +00001031 // void operator delete(void*, nothrow);
David L. Jonesd21529f2017-01-23 23:16:46 +00001032 case LibFunc_msvc_delete_ptr64_nothrow:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +00001033 return (NumParams == 2 && FTy.getParamType(0)->isPointerTy());
Ahmed Bougachad765a822016-04-27 19:04:35 +00001034
David L. Jonesd21529f2017-01-23 23:16:46 +00001035 case LibFunc_memset_pattern16:
Ahmed Bougachad765a822016-04-27 19:04:35 +00001036 return (!FTy.isVarArg() && NumParams == 3 &&
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +00001037 FTy.getParamType(0)->isPointerTy() &&
1038 FTy.getParamType(1)->isPointerTy() &&
1039 FTy.getParamType(2)->isIntegerTy());
Ahmed Bougachad765a822016-04-27 19:04:35 +00001040
David L. Jonesd21529f2017-01-23 23:16:46 +00001041 case LibFunc_cxa_guard_abort:
1042 case LibFunc_cxa_guard_acquire:
1043 case LibFunc_cxa_guard_release:
1044 case LibFunc_nvvm_reflect:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +00001045 return (NumParams == 1 && FTy.getParamType(0)->isPointerTy());
Ahmed Bougachad765a822016-04-27 19:04:35 +00001046
David L. Jonesd21529f2017-01-23 23:16:46 +00001047 case LibFunc_sincospi_stret:
1048 case LibFunc_sincospif_stret:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +00001049 return (NumParams == 1 && FTy.getParamType(0)->isFloatingPointTy());
1050
David L. Jonesd21529f2017-01-23 23:16:46 +00001051 case LibFunc_acos:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001052 case LibFunc_acos_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001053 case LibFunc_acosf:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001054 case LibFunc_acosf_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001055 case LibFunc_acosh:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001056 case LibFunc_acosh_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001057 case LibFunc_acoshf:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001058 case LibFunc_acoshf_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001059 case LibFunc_acoshl:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001060 case LibFunc_acoshl_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001061 case LibFunc_acosl:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001062 case LibFunc_acosl_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001063 case LibFunc_asin:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001064 case LibFunc_asin_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001065 case LibFunc_asinf:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001066 case LibFunc_asinf_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001067 case LibFunc_asinh:
1068 case LibFunc_asinhf:
1069 case LibFunc_asinhl:
1070 case LibFunc_asinl:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001071 case LibFunc_asinl_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001072 case LibFunc_atan:
1073 case LibFunc_atanf:
1074 case LibFunc_atanh:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001075 case LibFunc_atanh_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001076 case LibFunc_atanhf:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001077 case LibFunc_atanhf_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001078 case LibFunc_atanhl:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001079 case LibFunc_atanhl_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001080 case LibFunc_atanl:
1081 case LibFunc_cbrt:
1082 case LibFunc_cbrtf:
1083 case LibFunc_cbrtl:
1084 case LibFunc_ceil:
1085 case LibFunc_ceilf:
1086 case LibFunc_ceill:
1087 case LibFunc_cos:
1088 case LibFunc_cosf:
1089 case LibFunc_cosh:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001090 case LibFunc_cosh_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001091 case LibFunc_coshf:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001092 case LibFunc_coshf_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001093 case LibFunc_coshl:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001094 case LibFunc_coshl_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001095 case LibFunc_cosl:
1096 case LibFunc_exp10:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001097 case LibFunc_exp10_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001098 case LibFunc_exp10f:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001099 case LibFunc_exp10f_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001100 case LibFunc_exp10l:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001101 case LibFunc_exp10l_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001102 case LibFunc_exp2:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001103 case LibFunc_exp2_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001104 case LibFunc_exp2f:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001105 case LibFunc_exp2f_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001106 case LibFunc_exp2l:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001107 case LibFunc_exp2l_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001108 case LibFunc_exp:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001109 case LibFunc_exp_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001110 case LibFunc_expf:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001111 case LibFunc_expf_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001112 case LibFunc_expl:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001113 case LibFunc_expl_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001114 case LibFunc_expm1:
1115 case LibFunc_expm1f:
1116 case LibFunc_expm1l:
1117 case LibFunc_fabs:
1118 case LibFunc_fabsf:
1119 case LibFunc_fabsl:
1120 case LibFunc_floor:
1121 case LibFunc_floorf:
1122 case LibFunc_floorl:
1123 case LibFunc_log10:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001124 case LibFunc_log10_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001125 case LibFunc_log10f:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001126 case LibFunc_log10f_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001127 case LibFunc_log10l:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001128 case LibFunc_log10l_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001129 case LibFunc_log1p:
1130 case LibFunc_log1pf:
1131 case LibFunc_log1pl:
1132 case LibFunc_log2:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001133 case LibFunc_log2_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001134 case LibFunc_log2f:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001135 case LibFunc_log2f_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001136 case LibFunc_log2l:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001137 case LibFunc_log2l_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001138 case LibFunc_log:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001139 case LibFunc_log_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001140 case LibFunc_logb:
1141 case LibFunc_logbf:
1142 case LibFunc_logbl:
1143 case LibFunc_logf:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001144 case LibFunc_logf_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001145 case LibFunc_logl:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001146 case LibFunc_logl_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001147 case LibFunc_nearbyint:
1148 case LibFunc_nearbyintf:
1149 case LibFunc_nearbyintl:
1150 case LibFunc_rint:
1151 case LibFunc_rintf:
1152 case LibFunc_rintl:
1153 case LibFunc_round:
1154 case LibFunc_roundf:
1155 case LibFunc_roundl:
1156 case LibFunc_sin:
1157 case LibFunc_sinf:
1158 case LibFunc_sinh:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001159 case LibFunc_sinh_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001160 case LibFunc_sinhf:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001161 case LibFunc_sinhf_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001162 case LibFunc_sinhl:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001163 case LibFunc_sinhl_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001164 case LibFunc_sinl:
1165 case LibFunc_sqrt:
1166 case LibFunc_sqrt_finite:
1167 case LibFunc_sqrtf:
1168 case LibFunc_sqrtf_finite:
1169 case LibFunc_sqrtl:
1170 case LibFunc_sqrtl_finite:
1171 case LibFunc_tan:
1172 case LibFunc_tanf:
1173 case LibFunc_tanh:
1174 case LibFunc_tanhf:
1175 case LibFunc_tanhl:
1176 case LibFunc_tanl:
1177 case LibFunc_trunc:
1178 case LibFunc_truncf:
1179 case LibFunc_truncl:
Ahmed Bougachad765a822016-04-27 19:04:35 +00001180 return (NumParams == 1 && FTy.getReturnType()->isFloatingPointTy() &&
1181 FTy.getReturnType() == FTy.getParamType(0));
1182
David L. Jonesd21529f2017-01-23 23:16:46 +00001183 case LibFunc_atan2:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001184 case LibFunc_atan2_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001185 case LibFunc_atan2f:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001186 case LibFunc_atan2f_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001187 case LibFunc_atan2l:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001188 case LibFunc_atan2l_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001189 case LibFunc_fmin:
1190 case LibFunc_fminf:
1191 case LibFunc_fminl:
1192 case LibFunc_fmax:
1193 case LibFunc_fmaxf:
1194 case LibFunc_fmaxl:
1195 case LibFunc_fmod:
1196 case LibFunc_fmodf:
1197 case LibFunc_fmodl:
1198 case LibFunc_copysign:
1199 case LibFunc_copysignf:
1200 case LibFunc_copysignl:
1201 case LibFunc_pow:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001202 case LibFunc_pow_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001203 case LibFunc_powf:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001204 case LibFunc_powf_finite:
David L. Jonesd21529f2017-01-23 23:16:46 +00001205 case LibFunc_powl:
Andrew Kaylor3cd8c162017-05-12 22:11:12 +00001206 case LibFunc_powl_finite:
Ahmed Bougachad765a822016-04-27 19:04:35 +00001207 return (NumParams == 2 && FTy.getReturnType()->isFloatingPointTy() &&
1208 FTy.getReturnType() == FTy.getParamType(0) &&
1209 FTy.getReturnType() == FTy.getParamType(1));
1210
David L. Jonesd21529f2017-01-23 23:16:46 +00001211 case LibFunc_ldexp:
1212 case LibFunc_ldexpf:
1213 case LibFunc_ldexpl:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +00001214 return (NumParams == 2 && FTy.getReturnType()->isFloatingPointTy() &&
1215 FTy.getReturnType() == FTy.getParamType(0) &&
1216 FTy.getParamType(1)->isIntegerTy(32));
1217
David L. Jonesd21529f2017-01-23 23:16:46 +00001218 case LibFunc_ffs:
1219 case LibFunc_ffsl:
1220 case LibFunc_ffsll:
1221 case LibFunc_fls:
1222 case LibFunc_flsl:
1223 case LibFunc_flsll:
Sanjay Patel04949faf2016-09-23 18:44:09 +00001224 return (NumParams == 1 && FTy.getReturnType()->isIntegerTy(32) &&
1225 FTy.getParamType(0)->isIntegerTy());
1226
David L. Jonesd21529f2017-01-23 23:16:46 +00001227 case LibFunc_isdigit:
1228 case LibFunc_isascii:
1229 case LibFunc_toascii:
1230 case LibFunc_putchar:
Ahmed Bougachad765a822016-04-27 19:04:35 +00001231 return (NumParams == 1 && FTy.getReturnType()->isIntegerTy(32) &&
Sanjay Patel04949faf2016-09-23 18:44:09 +00001232 FTy.getReturnType() == FTy.getParamType(0));
Ahmed Bougachad765a822016-04-27 19:04:35 +00001233
David L. Jonesd21529f2017-01-23 23:16:46 +00001234 case LibFunc_abs:
1235 case LibFunc_labs:
1236 case LibFunc_llabs:
Ahmed Bougachad765a822016-04-27 19:04:35 +00001237 return (NumParams == 1 && FTy.getReturnType()->isIntegerTy() &&
1238 FTy.getReturnType() == FTy.getParamType(0));
1239
David L. Jonesd21529f2017-01-23 23:16:46 +00001240 case LibFunc_cxa_atexit:
Ahmed Bougachad765a822016-04-27 19:04:35 +00001241 return (NumParams == 3 && FTy.getReturnType()->isIntegerTy() &&
1242 FTy.getParamType(0)->isPointerTy() &&
1243 FTy.getParamType(1)->isPointerTy() &&
1244 FTy.getParamType(2)->isPointerTy());
1245
David L. Jonesd21529f2017-01-23 23:16:46 +00001246 case LibFunc_sinpi:
1247 case LibFunc_cospi:
Ahmed Bougachad765a822016-04-27 19:04:35 +00001248 return (NumParams == 1 && FTy.getReturnType()->isDoubleTy() &&
1249 FTy.getReturnType() == FTy.getParamType(0));
1250
David L. Jonesd21529f2017-01-23 23:16:46 +00001251 case LibFunc_sinpif:
1252 case LibFunc_cospif:
Ahmed Bougachad765a822016-04-27 19:04:35 +00001253 return (NumParams == 1 && FTy.getReturnType()->isFloatTy() &&
1254 FTy.getReturnType() == FTy.getParamType(0));
1255
David L. Jonesd21529f2017-01-23 23:16:46 +00001256 case LibFunc_strnlen:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +00001257 return (NumParams == 2 && FTy.getReturnType() == FTy.getParamType(1) &&
1258 FTy.getParamType(0) == PCharTy &&
1259 FTy.getParamType(1) == SizeTTy);
1260
David L. Jonesd21529f2017-01-23 23:16:46 +00001261 case LibFunc_posix_memalign:
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +00001262 return (NumParams == 3 && FTy.getReturnType()->isIntegerTy(32) &&
1263 FTy.getParamType(0)->isPointerTy() &&
1264 FTy.getParamType(1) == SizeTTy && FTy.getParamType(2) == SizeTTy);
1265
Matthias Braun60b40b82017-05-05 20:25:50 +00001266 case LibFunc_wcslen:
1267 return (NumParams == 1 && FTy.getParamType(0)->isPointerTy() &&
1268 FTy.getReturnType()->isIntegerTy());
1269
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +00001270 case LibFunc::NumLibFuncs:
Ahmed Bougacha86b680a2017-01-17 19:54:18 +00001271 break;
Ahmed Bougachad765a822016-04-27 19:04:35 +00001272 }
Ahmed Bougacha6b9be1d2017-01-17 03:10:02 +00001273
Ahmed Bougacha86b680a2017-01-17 19:54:18 +00001274 llvm_unreachable("Invalid libfunc");
Ahmed Bougachad765a822016-04-27 19:04:35 +00001275}
1276
1277bool TargetLibraryInfoImpl::getLibFunc(const Function &FDecl,
David L. Jonesd21529f2017-01-23 23:16:46 +00001278 LibFunc &F) const {
Ahmed Bougachad765a822016-04-27 19:04:35 +00001279 const DataLayout *DL =
1280 FDecl.getParent() ? &FDecl.getParent()->getDataLayout() : nullptr;
1281 return getLibFunc(FDecl.getName(), F) &&
1282 isValidProtoForLibFunc(*FDecl.getFunctionType(), F, DL);
1283}
1284
Chandler Carruthc0291862015-01-24 02:06:09 +00001285void TargetLibraryInfoImpl::disableAllFunctions() {
Chris Lattner1341df92011-02-18 22:34:03 +00001286 memset(AvailableArray, 0, sizeof(AvailableArray));
1287}
Chandler Carruthb98f63d2015-01-15 10:41:28 +00001288
Michael Zolotukhine8f25512015-03-17 19:22:30 +00001289static bool compareByScalarFnName(const VecDesc &LHS, const VecDesc &RHS) {
Mehdi Amini9a72cd72016-10-01 03:10:48 +00001290 return LHS.ScalarFnName < RHS.ScalarFnName;
Michael Zolotukhine8f25512015-03-17 19:22:30 +00001291}
1292
1293static bool compareByVectorFnName(const VecDesc &LHS, const VecDesc &RHS) {
Mehdi Amini9a72cd72016-10-01 03:10:48 +00001294 return LHS.VectorFnName < RHS.VectorFnName;
Michael Zolotukhine8f25512015-03-17 19:22:30 +00001295}
1296
1297static bool compareWithScalarFnName(const VecDesc &LHS, StringRef S) {
Mehdi Amini9a72cd72016-10-01 03:10:48 +00001298 return LHS.ScalarFnName < S;
Michael Zolotukhine8f25512015-03-17 19:22:30 +00001299}
1300
1301static bool compareWithVectorFnName(const VecDesc &LHS, StringRef S) {
Mehdi Amini9a72cd72016-10-01 03:10:48 +00001302 return LHS.VectorFnName < S;
Michael Zolotukhine8f25512015-03-17 19:22:30 +00001303}
1304
1305void TargetLibraryInfoImpl::addVectorizableFunctions(ArrayRef<VecDesc> Fns) {
1306 VectorDescs.insert(VectorDescs.end(), Fns.begin(), Fns.end());
1307 std::sort(VectorDescs.begin(), VectorDescs.end(), compareByScalarFnName);
1308
1309 ScalarDescs.insert(ScalarDescs.end(), Fns.begin(), Fns.end());
1310 std::sort(ScalarDescs.begin(), ScalarDescs.end(), compareByVectorFnName);
1311}
1312
Michael Zolotukhin6d8a2aa2015-03-17 19:50:55 +00001313void TargetLibraryInfoImpl::addVectorizableFunctionsFromVecLib(
1314 enum VectorLibrary VecLib) {
1315 switch (VecLib) {
1316 case Accelerate: {
1317 const VecDesc VecFuncs[] = {
Michael Zolotukhinde63aac2015-05-07 17:11:51 +00001318 // Floating-Point Arithmetic and Auxiliary Functions
1319 {"ceilf", "vceilf", 4},
Michael Zolotukhin6d8a2aa2015-03-17 19:50:55 +00001320 {"fabsf", "vfabsf", 4},
1321 {"llvm.fabs.f32", "vfabsf", 4},
Michael Zolotukhinde63aac2015-05-07 17:11:51 +00001322 {"floorf", "vfloorf", 4},
1323 {"sqrtf", "vsqrtf", 4},
1324 {"llvm.sqrt.f32", "vsqrtf", 4},
1325
1326 // Exponential and Logarithmic Functions
1327 {"expf", "vexpf", 4},
1328 {"llvm.exp.f32", "vexpf", 4},
1329 {"expm1f", "vexpm1f", 4},
1330 {"logf", "vlogf", 4},
1331 {"llvm.log.f32", "vlogf", 4},
1332 {"log1pf", "vlog1pf", 4},
1333 {"log10f", "vlog10f", 4},
1334 {"llvm.log10.f32", "vlog10f", 4},
1335 {"logbf", "vlogbf", 4},
1336
1337 // Trigonometric Functions
1338 {"sinf", "vsinf", 4},
1339 {"llvm.sin.f32", "vsinf", 4},
1340 {"cosf", "vcosf", 4},
1341 {"llvm.cos.f32", "vcosf", 4},
1342 {"tanf", "vtanf", 4},
1343 {"asinf", "vasinf", 4},
1344 {"acosf", "vacosf", 4},
1345 {"atanf", "vatanf", 4},
1346
1347 // Hyperbolic Functions
1348 {"sinhf", "vsinhf", 4},
1349 {"coshf", "vcoshf", 4},
1350 {"tanhf", "vtanhf", 4},
1351 {"asinhf", "vasinhf", 4},
1352 {"acoshf", "vacoshf", 4},
1353 {"atanhf", "vatanhf", 4},
Michael Zolotukhin6d8a2aa2015-03-17 19:50:55 +00001354 };
1355 addVectorizableFunctions(VecFuncs);
1356 break;
1357 }
Matt Mastena6669a12016-07-29 16:42:44 +00001358 case SVML: {
1359 const VecDesc VecFuncs[] = {
1360 {"sin", "__svml_sin2", 2},
1361 {"sin", "__svml_sin4", 4},
1362 {"sin", "__svml_sin8", 8},
1363
1364 {"sinf", "__svml_sinf4", 4},
1365 {"sinf", "__svml_sinf8", 8},
1366 {"sinf", "__svml_sinf16", 16},
1367
1368 {"cos", "__svml_cos2", 2},
1369 {"cos", "__svml_cos4", 4},
1370 {"cos", "__svml_cos8", 8},
1371
1372 {"cosf", "__svml_cosf4", 4},
1373 {"cosf", "__svml_cosf8", 8},
1374 {"cosf", "__svml_cosf16", 16},
1375
1376 {"pow", "__svml_pow2", 2},
1377 {"pow", "__svml_pow4", 4},
1378 {"pow", "__svml_pow8", 8},
1379
1380 {"powf", "__svml_powf4", 4},
1381 {"powf", "__svml_powf8", 8},
1382 {"powf", "__svml_powf16", 16},
1383
Andrew Kaylorb01e94e2017-05-12 22:11:26 +00001384 { "__pow_finite", "__svml_pow2", 2 },
1385 { "__pow_finite", "__svml_pow4", 4 },
1386 { "__pow_finite", "__svml_pow8", 8 },
1387
1388 { "__powf_finite", "__svml_powf4", 4 },
1389 { "__powf_finite", "__svml_powf8", 8 },
1390 { "__powf_finite", "__svml_powf16", 16 },
1391
Matt Mastena6669a12016-07-29 16:42:44 +00001392 {"llvm.pow.f64", "__svml_pow2", 2},
1393 {"llvm.pow.f64", "__svml_pow4", 4},
1394 {"llvm.pow.f64", "__svml_pow8", 8},
1395
1396 {"llvm.pow.f32", "__svml_powf4", 4},
1397 {"llvm.pow.f32", "__svml_powf8", 8},
1398 {"llvm.pow.f32", "__svml_powf16", 16},
1399
1400 {"exp", "__svml_exp2", 2},
1401 {"exp", "__svml_exp4", 4},
1402 {"exp", "__svml_exp8", 8},
1403
1404 {"expf", "__svml_expf4", 4},
1405 {"expf", "__svml_expf8", 8},
1406 {"expf", "__svml_expf16", 16},
1407
Andrew Kaylorb01e94e2017-05-12 22:11:26 +00001408 { "__exp_finite", "__svml_exp2", 2 },
1409 { "__exp_finite", "__svml_exp4", 4 },
1410 { "__exp_finite", "__svml_exp8", 8 },
1411
1412 { "__expf_finite", "__svml_expf4", 4 },
1413 { "__expf_finite", "__svml_expf8", 8 },
1414 { "__expf_finite", "__svml_expf16", 16 },
1415
Matt Mastena6669a12016-07-29 16:42:44 +00001416 {"llvm.exp.f64", "__svml_exp2", 2},
1417 {"llvm.exp.f64", "__svml_exp4", 4},
1418 {"llvm.exp.f64", "__svml_exp8", 8},
1419
1420 {"llvm.exp.f32", "__svml_expf4", 4},
1421 {"llvm.exp.f32", "__svml_expf8", 8},
1422 {"llvm.exp.f32", "__svml_expf16", 16},
1423
1424 {"log", "__svml_log2", 2},
1425 {"log", "__svml_log4", 4},
1426 {"log", "__svml_log8", 8},
1427
1428 {"logf", "__svml_logf4", 4},
1429 {"logf", "__svml_logf8", 8},
1430 {"logf", "__svml_logf16", 16},
1431
Andrew Kaylorb01e94e2017-05-12 22:11:26 +00001432 { "__log_finite", "__svml_log2", 2 },
1433 { "__log_finite", "__svml_log4", 4 },
1434 { "__log_finite", "__svml_log8", 8 },
1435
1436 { "__logf_finite", "__svml_logf4", 4 },
1437 { "__logf_finite", "__svml_logf8", 8 },
1438 { "__logf_finite", "__svml_logf16", 16 },
1439
Matt Mastena6669a12016-07-29 16:42:44 +00001440 {"llvm.log.f64", "__svml_log2", 2},
1441 {"llvm.log.f64", "__svml_log4", 4},
1442 {"llvm.log.f64", "__svml_log8", 8},
1443
1444 {"llvm.log.f32", "__svml_logf4", 4},
1445 {"llvm.log.f32", "__svml_logf8", 8},
1446 {"llvm.log.f32", "__svml_logf16", 16},
1447 };
1448 addVectorizableFunctions(VecFuncs);
1449 break;
1450 }
Michael Zolotukhin6d8a2aa2015-03-17 19:50:55 +00001451 case NoLibrary:
1452 break;
1453 }
1454}
1455
Michael Zolotukhine8f25512015-03-17 19:22:30 +00001456bool TargetLibraryInfoImpl::isFunctionVectorizable(StringRef funcName) const {
1457 funcName = sanitizeFunctionName(funcName);
1458 if (funcName.empty())
1459 return false;
1460
1461 std::vector<VecDesc>::const_iterator I = std::lower_bound(
1462 VectorDescs.begin(), VectorDescs.end(), funcName,
1463 compareWithScalarFnName);
1464 return I != VectorDescs.end() && StringRef(I->ScalarFnName) == funcName;
1465}
1466
1467StringRef TargetLibraryInfoImpl::getVectorizedFunction(StringRef F,
1468 unsigned VF) const {
1469 F = sanitizeFunctionName(F);
1470 if (F.empty())
1471 return F;
1472 std::vector<VecDesc>::const_iterator I = std::lower_bound(
1473 VectorDescs.begin(), VectorDescs.end(), F, compareWithScalarFnName);
1474 while (I != VectorDescs.end() && StringRef(I->ScalarFnName) == F) {
1475 if (I->VectorizationFactor == VF)
1476 return I->VectorFnName;
1477 ++I;
1478 }
1479 return StringRef();
1480}
1481
1482StringRef TargetLibraryInfoImpl::getScalarizedFunction(StringRef F,
1483 unsigned &VF) const {
1484 F = sanitizeFunctionName(F);
1485 if (F.empty())
1486 return F;
1487
1488 std::vector<VecDesc>::const_iterator I = std::lower_bound(
1489 ScalarDescs.begin(), ScalarDescs.end(), F, compareWithVectorFnName);
1490 if (I == VectorDescs.end() || StringRef(I->VectorFnName) != F)
1491 return StringRef();
1492 VF = I->VectorizationFactor;
1493 return I->ScalarFnName;
1494}
1495
Chandler Carruth164a2aa62016-06-17 00:11:01 +00001496TargetLibraryInfo TargetLibraryAnalysis::run(Module &M,
1497 ModuleAnalysisManager &) {
Chandler Carruthc0291862015-01-24 02:06:09 +00001498 if (PresetInfoImpl)
1499 return TargetLibraryInfo(*PresetInfoImpl);
1500
1501 return TargetLibraryInfo(lookupInfoImpl(Triple(M.getTargetTriple())));
1502}
1503
Chandler Carruth164a2aa62016-06-17 00:11:01 +00001504TargetLibraryInfo TargetLibraryAnalysis::run(Function &F,
1505 FunctionAnalysisManager &) {
Chandler Carruthc0291862015-01-24 02:06:09 +00001506 if (PresetInfoImpl)
1507 return TargetLibraryInfo(*PresetInfoImpl);
1508
1509 return TargetLibraryInfo(
1510 lookupInfoImpl(Triple(F.getParent()->getTargetTriple())));
1511}
1512
Benjamin Kramerc321e532016-06-08 19:09:22 +00001513TargetLibraryInfoImpl &TargetLibraryAnalysis::lookupInfoImpl(const Triple &T) {
Chandler Carruthc0291862015-01-24 02:06:09 +00001514 std::unique_ptr<TargetLibraryInfoImpl> &Impl =
1515 Impls[T.normalize()];
1516 if (!Impl)
1517 Impl.reset(new TargetLibraryInfoImpl(T));
1518
1519 return *Impl;
1520}
1521
Matthias Braun50ec0b52017-05-19 22:37:09 +00001522unsigned TargetLibraryInfoImpl::getWCharSize(const Module &M) const {
1523 if (auto *ShortWChar = cast_or_null<ConstantAsMetadata>(
1524 M.getModuleFlag("wchar_size")))
1525 return cast<ConstantInt>(ShortWChar->getValue())->getZExtValue();
Matthias Brauncc603ee2017-09-26 02:36:57 +00001526 return 0;
Matthias Braun50ec0b52017-05-19 22:37:09 +00001527}
Chandler Carruthc0291862015-01-24 02:06:09 +00001528
Chandler Carruthb98f63d2015-01-15 10:41:28 +00001529TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass()
Chandler Carruthc0291862015-01-24 02:06:09 +00001530 : ImmutablePass(ID), TLIImpl(), TLI(TLIImpl) {
Chandler Carruthb98f63d2015-01-15 10:41:28 +00001531 initializeTargetLibraryInfoWrapperPassPass(*PassRegistry::getPassRegistry());
1532}
1533
1534TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass(const Triple &T)
Chandler Carruthc0291862015-01-24 02:06:09 +00001535 : ImmutablePass(ID), TLIImpl(T), TLI(TLIImpl) {
Chandler Carruthb98f63d2015-01-15 10:41:28 +00001536 initializeTargetLibraryInfoWrapperPassPass(*PassRegistry::getPassRegistry());
1537}
1538
1539TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass(
Chandler Carruthc0291862015-01-24 02:06:09 +00001540 const TargetLibraryInfoImpl &TLIImpl)
1541 : ImmutablePass(ID), TLIImpl(TLIImpl), TLI(this->TLIImpl) {
Chandler Carruthb98f63d2015-01-15 10:41:28 +00001542 initializeTargetLibraryInfoWrapperPassPass(*PassRegistry::getPassRegistry());
1543}
1544
Chandler Carruthdab4eae2016-11-23 17:53:26 +00001545AnalysisKey TargetLibraryAnalysis::Key;
NAKAMURA Takumidf0cd722016-02-28 17:17:00 +00001546
Chandler Carruthb98f63d2015-01-15 10:41:28 +00001547// Register the basic pass.
1548INITIALIZE_PASS(TargetLibraryInfoWrapperPass, "targetlibinfo",
1549 "Target Library Information", false, true)
1550char TargetLibraryInfoWrapperPass::ID = 0;
1551
1552void TargetLibraryInfoWrapperPass::anchor() {}