LLVM 19.0.0git
TargetLibraryInfo.cpp
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1//===-- TargetLibraryInfo.cpp - Runtime library information ----------------==//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file implements the TargetLibraryInfo class.
10//
11//===----------------------------------------------------------------------===//
12
14#include "llvm/ADT/DenseMap.h"
16#include "llvm/IR/Constants.h"
20using namespace llvm;
21
23 "vector-library", cl::Hidden, cl::desc("Vector functions library"),
26 "No vector functions library"),
28 "Accelerate framework"),
30 "Darwin_libsystem_m", "Darwin libsystem_m"),
32 "GLIBC Vector Math library"),
34 "IBM MASS vector library"),
36 "Intel SVML library"),
38 "SIMD Library for Evaluating Elementary Functions"),
40 "Arm Performance Libraries"),
42 "AMD vector math library")));
43
44StringLiteral const TargetLibraryInfoImpl::StandardNames[LibFunc::NumLibFuncs] =
45 {
46#define TLI_DEFINE_STRING
47#include "llvm/Analysis/TargetLibraryInfo.def"
48};
49
51 assert(!VectorFnName.empty() && "Vector function name must not be empty.");
52 SmallString<256> Buffer;
53 llvm::raw_svector_ostream Out(Buffer);
54 Out << VABIPrefix << "_" << ScalarFnName << "(" << VectorFnName << ")";
55 return std::string(Out.str());
56}
57
58// Recognized types of library function arguments and return types.
59enum FuncArgTypeID : char {
60 Void = 0, // Must be zero.
61 Bool, // 8 bits on all targets
65 IntPlus, // Int or bigger.
66 Long, // Either 32 or 64 bits.
67 IntX, // Any integer type.
69 LLong, // 64 bits on all targets.
70 SizeT, // size_t.
71 SSizeT, // POSIX ssize_t.
72 Flt, // IEEE float.
73 Dbl, // IEEE double.
74 LDbl, // Any floating type (TODO: tighten this up).
75 Floating, // Any floating type.
76 Ptr, // Any pointer type.
77 Struct, // Any struct type.
78 Ellip, // The ellipsis (...).
79 Same, // Same argument type as the previous one.
80};
81
82typedef std::array<FuncArgTypeID, 8> FuncProtoTy;
83
84static const FuncProtoTy Signatures[] = {
85#define TLI_DEFINE_SIG
86#include "llvm/Analysis/TargetLibraryInfo.def"
87};
88
89static_assert(sizeof Signatures / sizeof *Signatures == LibFunc::NumLibFuncs,
90 "Missing library function signatures");
91
92static bool hasSinCosPiStret(const Triple &T) {
93 // Only Darwin variants have _stret versions of combined trig functions.
94 if (!T.isOSDarwin())
95 return false;
96
97 // The ABI is rather complicated on x86, so don't do anything special there.
98 if (T.getArch() == Triple::x86)
99 return false;
100
101 if (T.isMacOSX() && T.isMacOSXVersionLT(10, 9))
102 return false;
103
104 if (T.isiOS() && T.isOSVersionLT(7, 0))
105 return false;
106
107 return true;
108}
109
110static bool hasBcmp(const Triple &TT) {
111 // Posix removed support from bcmp() in 2001, but the glibc and several
112 // implementations of the libc still have it.
113 if (TT.isOSLinux())
114 return TT.isGNUEnvironment() || TT.isMusl();
115 // Both NetBSD and OpenBSD are planning to remove the function. Windows does
116 // not have it.
117 return TT.isOSFreeBSD() || TT.isOSSolaris();
118}
119
121 FunctionType *FuncTy) {
122 switch (CC) {
123 default:
124 return false;
126 return true;
130
131 // The iOS ABI diverges from the standard in some cases, so for now don't
132 // try to simplify those calls.
133 if (Triple(TT).isiOS())
134 return false;
135
136 if (!FuncTy->getReturnType()->isPointerTy() &&
137 !FuncTy->getReturnType()->isIntegerTy() &&
138 !FuncTy->getReturnType()->isVoidTy())
139 return false;
140
141 for (auto *Param : FuncTy->params()) {
142 if (!Param->isPointerTy() && !Param->isIntegerTy())
143 return false;
144 }
145 return true;
146 }
147 }
148 return false;
149}
150
152 return ::isCallingConvCCompatible(CI->getCallingConv(),
153 CI->getModule()->getTargetTriple(),
154 CI->getFunctionType());
155}
156
158 return ::isCallingConvCCompatible(F->getCallingConv(),
159 F->getParent()->getTargetTriple(),
160 F->getFunctionType());
161}
162
163/// Initialize the set of available library functions based on the specified
164/// target triple. This should be carefully written so that a missing target
165/// triple gets a sane set of defaults.
166static void initialize(TargetLibraryInfoImpl &TLI, const Triple &T,
167 ArrayRef<StringLiteral> StandardNames) {
168 // Set IO unlocked variants as unavailable
169 // Set them as available per system below
170 TLI.setUnavailable(LibFunc_getc_unlocked);
171 TLI.setUnavailable(LibFunc_getchar_unlocked);
172 TLI.setUnavailable(LibFunc_putc_unlocked);
173 TLI.setUnavailable(LibFunc_putchar_unlocked);
174 TLI.setUnavailable(LibFunc_fputc_unlocked);
175 TLI.setUnavailable(LibFunc_fgetc_unlocked);
176 TLI.setUnavailable(LibFunc_fread_unlocked);
177 TLI.setUnavailable(LibFunc_fwrite_unlocked);
178 TLI.setUnavailable(LibFunc_fputs_unlocked);
179 TLI.setUnavailable(LibFunc_fgets_unlocked);
180
181 bool ShouldExtI32Param, ShouldExtI32Return;
182 bool ShouldSignExtI32Param, ShouldSignExtI32Return;
184 ShouldExtI32Return, ShouldSignExtI32Param, ShouldSignExtI32Return, T);
185 TLI.setShouldExtI32Param(ShouldExtI32Param);
186 TLI.setShouldExtI32Return(ShouldExtI32Return);
187 TLI.setShouldSignExtI32Param(ShouldSignExtI32Param);
188 TLI.setShouldSignExtI32Return(ShouldSignExtI32Return);
189
190 // Let's assume by default that the size of int is 32 bits, unless the target
191 // is a 16-bit architecture because then it most likely is 16 bits. If that
192 // isn't true for a target those defaults should be overridden below.
193 TLI.setIntSize(T.isArch16Bit() ? 16 : 32);
194
195 // There is really no runtime library on AMDGPU, apart from
196 // __kmpc_alloc/free_shared.
197 if (T.isAMDGPU()) {
199 TLI.setAvailable(llvm::LibFunc___kmpc_alloc_shared);
200 TLI.setAvailable(llvm::LibFunc___kmpc_free_shared);
201 return;
202 }
203
204 // memset_pattern{4,8,16} is only available on iOS 3.0 and Mac OS X 10.5 and
205 // later. All versions of watchOS support it.
206 if (T.isMacOSX()) {
207 // available IO unlocked variants on Mac OS X
208 TLI.setAvailable(LibFunc_getc_unlocked);
209 TLI.setAvailable(LibFunc_getchar_unlocked);
210 TLI.setAvailable(LibFunc_putc_unlocked);
211 TLI.setAvailable(LibFunc_putchar_unlocked);
212 TLI.setUnavailable(LibFunc_memrchr);
213
214 if (T.isMacOSXVersionLT(10, 5)) {
215 TLI.setUnavailable(LibFunc_memset_pattern4);
216 TLI.setUnavailable(LibFunc_memset_pattern8);
217 TLI.setUnavailable(LibFunc_memset_pattern16);
218 }
219 } else if (T.isiOS()) {
220 if (T.isOSVersionLT(3, 0)) {
221 TLI.setUnavailable(LibFunc_memset_pattern4);
222 TLI.setUnavailable(LibFunc_memset_pattern8);
223 TLI.setUnavailable(LibFunc_memset_pattern16);
224 }
225 } else if (!T.isWatchOS()) {
226 TLI.setUnavailable(LibFunc_memset_pattern4);
227 TLI.setUnavailable(LibFunc_memset_pattern8);
228 TLI.setUnavailable(LibFunc_memset_pattern16);
229 }
230
231 if (!hasSinCosPiStret(T)) {
232 TLI.setUnavailable(LibFunc_sinpi);
233 TLI.setUnavailable(LibFunc_sinpif);
234 TLI.setUnavailable(LibFunc_cospi);
235 TLI.setUnavailable(LibFunc_cospif);
236 TLI.setUnavailable(LibFunc_sincospi_stret);
237 TLI.setUnavailable(LibFunc_sincospif_stret);
238 }
239
240 if (!hasBcmp(T))
241 TLI.setUnavailable(LibFunc_bcmp);
242
243 if (T.isMacOSX() && T.getArch() == Triple::x86 &&
244 !T.isMacOSXVersionLT(10, 7)) {
245 // x86-32 OSX has a scheme where fwrite and fputs (and some other functions
246 // we don't care about) have two versions; on recent OSX, the one we want
247 // has a $UNIX2003 suffix. The two implementations are identical except
248 // for the return value in some edge cases. However, we don't want to
249 // generate code that depends on the old symbols.
250 TLI.setAvailableWithName(LibFunc_fwrite, "fwrite$UNIX2003");
251 TLI.setAvailableWithName(LibFunc_fputs, "fputs$UNIX2003");
252 }
253
254 // iprintf and friends are only available on XCore, TCE, and Emscripten.
255 if (T.getArch() != Triple::xcore && T.getArch() != Triple::tce &&
256 T.getOS() != Triple::Emscripten) {
257 TLI.setUnavailable(LibFunc_iprintf);
258 TLI.setUnavailable(LibFunc_siprintf);
259 TLI.setUnavailable(LibFunc_fiprintf);
260 }
261
262 // __small_printf and friends are only available on Emscripten.
263 if (T.getOS() != Triple::Emscripten) {
264 TLI.setUnavailable(LibFunc_small_printf);
265 TLI.setUnavailable(LibFunc_small_sprintf);
266 TLI.setUnavailable(LibFunc_small_fprintf);
267 }
268
269 if (T.isOSWindows() && !T.isOSCygMing()) {
270 // XXX: The earliest documentation available at the moment is for VS2015/VC19:
271 // https://docs.microsoft.com/en-us/cpp/c-runtime-library/floating-point-support?view=vs-2015
272 // XXX: In order to use an MSVCRT older than VC19,
273 // the specific library version must be explicit in the target triple,
274 // e.g., x86_64-pc-windows-msvc18.
275 bool hasPartialC99 = true;
276 if (T.isKnownWindowsMSVCEnvironment()) {
277 VersionTuple Version = T.getEnvironmentVersion();
278 hasPartialC99 = (Version.getMajor() == 0 || Version.getMajor() >= 19);
279 }
280
281 // Latest targets support C89 math functions, in part.
282 bool isARM = (T.getArch() == Triple::aarch64 ||
283 T.getArch() == Triple::arm);
284 bool hasPartialFloat = (isARM ||
285 T.getArch() == Triple::x86_64);
286
287 // Win32 does not support float C89 math functions, in general.
288 if (!hasPartialFloat) {
289 TLI.setUnavailable(LibFunc_acosf);
290 TLI.setUnavailable(LibFunc_asinf);
291 TLI.setUnavailable(LibFunc_atan2f);
292 TLI.setUnavailable(LibFunc_atanf);
293 TLI.setUnavailable(LibFunc_ceilf);
294 TLI.setUnavailable(LibFunc_cosf);
295 TLI.setUnavailable(LibFunc_coshf);
296 TLI.setUnavailable(LibFunc_expf);
297 TLI.setUnavailable(LibFunc_floorf);
298 TLI.setUnavailable(LibFunc_fmodf);
299 TLI.setUnavailable(LibFunc_log10f);
300 TLI.setUnavailable(LibFunc_logf);
301 TLI.setUnavailable(LibFunc_modff);
302 TLI.setUnavailable(LibFunc_powf);
303 TLI.setUnavailable(LibFunc_remainderf);
304 TLI.setUnavailable(LibFunc_sinf);
305 TLI.setUnavailable(LibFunc_sinhf);
306 TLI.setUnavailable(LibFunc_sqrtf);
307 TLI.setUnavailable(LibFunc_tanf);
308 TLI.setUnavailable(LibFunc_tanhf);
309 }
310 if (!isARM)
311 TLI.setUnavailable(LibFunc_fabsf);
312 TLI.setUnavailable(LibFunc_frexpf);
313 TLI.setUnavailable(LibFunc_ldexpf);
314
315 // Win32 does not support long double C89 math functions.
316 TLI.setUnavailable(LibFunc_acosl);
317 TLI.setUnavailable(LibFunc_asinl);
318 TLI.setUnavailable(LibFunc_atan2l);
319 TLI.setUnavailable(LibFunc_atanl);
320 TLI.setUnavailable(LibFunc_ceill);
321 TLI.setUnavailable(LibFunc_cosl);
322 TLI.setUnavailable(LibFunc_coshl);
323 TLI.setUnavailable(LibFunc_expl);
324 TLI.setUnavailable(LibFunc_fabsl);
325 TLI.setUnavailable(LibFunc_floorl);
326 TLI.setUnavailable(LibFunc_fmodl);
327 TLI.setUnavailable(LibFunc_frexpl);
328 TLI.setUnavailable(LibFunc_ldexpl);
329 TLI.setUnavailable(LibFunc_log10l);
330 TLI.setUnavailable(LibFunc_logl);
331 TLI.setUnavailable(LibFunc_modfl);
332 TLI.setUnavailable(LibFunc_powl);
333 TLI.setUnavailable(LibFunc_remainderl);
334 TLI.setUnavailable(LibFunc_sinl);
335 TLI.setUnavailable(LibFunc_sinhl);
336 TLI.setUnavailable(LibFunc_sqrtl);
337 TLI.setUnavailable(LibFunc_tanl);
338 TLI.setUnavailable(LibFunc_tanhl);
339
340 // Win32 does not fully support C99 math functions.
341 if (!hasPartialC99) {
342 TLI.setUnavailable(LibFunc_acosh);
343 TLI.setUnavailable(LibFunc_acoshf);
344 TLI.setUnavailable(LibFunc_asinh);
345 TLI.setUnavailable(LibFunc_asinhf);
346 TLI.setUnavailable(LibFunc_atanh);
347 TLI.setUnavailable(LibFunc_atanhf);
348 TLI.setAvailableWithName(LibFunc_cabs, "_cabs");
349 TLI.setUnavailable(LibFunc_cabsf);
350 TLI.setUnavailable(LibFunc_cbrt);
351 TLI.setUnavailable(LibFunc_cbrtf);
352 TLI.setAvailableWithName(LibFunc_copysign, "_copysign");
353 TLI.setAvailableWithName(LibFunc_copysignf, "_copysignf");
354 TLI.setUnavailable(LibFunc_exp2);
355 TLI.setUnavailable(LibFunc_exp2f);
356 TLI.setUnavailable(LibFunc_expm1);
357 TLI.setUnavailable(LibFunc_expm1f);
358 TLI.setUnavailable(LibFunc_fmax);
359 TLI.setUnavailable(LibFunc_fmaxf);
360 TLI.setUnavailable(LibFunc_fmin);
361 TLI.setUnavailable(LibFunc_fminf);
362 TLI.setUnavailable(LibFunc_log1p);
363 TLI.setUnavailable(LibFunc_log1pf);
364 TLI.setUnavailable(LibFunc_log2);
365 TLI.setUnavailable(LibFunc_log2f);
366 TLI.setAvailableWithName(LibFunc_logb, "_logb");
367 if (hasPartialFloat)
368 TLI.setAvailableWithName(LibFunc_logbf, "_logbf");
369 else
370 TLI.setUnavailable(LibFunc_logbf);
371 TLI.setUnavailable(LibFunc_rint);
372 TLI.setUnavailable(LibFunc_rintf);
373 TLI.setUnavailable(LibFunc_round);
374 TLI.setUnavailable(LibFunc_roundf);
375 TLI.setUnavailable(LibFunc_trunc);
376 TLI.setUnavailable(LibFunc_truncf);
377 }
378
379 // Win32 does not support long double C99 math functions.
380 TLI.setUnavailable(LibFunc_acoshl);
381 TLI.setUnavailable(LibFunc_asinhl);
382 TLI.setUnavailable(LibFunc_atanhl);
383 TLI.setUnavailable(LibFunc_cabsl);
384 TLI.setUnavailable(LibFunc_cbrtl);
385 TLI.setUnavailable(LibFunc_copysignl);
386 TLI.setUnavailable(LibFunc_exp2l);
387 TLI.setUnavailable(LibFunc_expm1l);
388 TLI.setUnavailable(LibFunc_fmaxl);
389 TLI.setUnavailable(LibFunc_fminl);
390 TLI.setUnavailable(LibFunc_log1pl);
391 TLI.setUnavailable(LibFunc_log2l);
392 TLI.setUnavailable(LibFunc_logbl);
393 TLI.setUnavailable(LibFunc_nearbyintl);
394 TLI.setUnavailable(LibFunc_rintl);
395 TLI.setUnavailable(LibFunc_roundl);
396 TLI.setUnavailable(LibFunc_truncl);
397
398 // Win32 does not support these functions, but
399 // they are generally available on POSIX-compliant systems.
400 TLI.setUnavailable(LibFunc_access);
401 TLI.setUnavailable(LibFunc_chmod);
402 TLI.setUnavailable(LibFunc_closedir);
403 TLI.setUnavailable(LibFunc_fdopen);
404 TLI.setUnavailable(LibFunc_fileno);
405 TLI.setUnavailable(LibFunc_fseeko);
406 TLI.setUnavailable(LibFunc_fstat);
407 TLI.setUnavailable(LibFunc_ftello);
408 TLI.setUnavailable(LibFunc_gettimeofday);
409 TLI.setUnavailable(LibFunc_memccpy);
410 TLI.setUnavailable(LibFunc_mkdir);
411 TLI.setUnavailable(LibFunc_open);
412 TLI.setUnavailable(LibFunc_opendir);
413 TLI.setUnavailable(LibFunc_pclose);
414 TLI.setUnavailable(LibFunc_popen);
415 TLI.setUnavailable(LibFunc_read);
416 TLI.setUnavailable(LibFunc_rmdir);
417 TLI.setUnavailable(LibFunc_stat);
418 TLI.setUnavailable(LibFunc_strcasecmp);
419 TLI.setUnavailable(LibFunc_strncasecmp);
420 TLI.setUnavailable(LibFunc_unlink);
421 TLI.setUnavailable(LibFunc_utime);
422 TLI.setUnavailable(LibFunc_write);
423 }
424
425 if (T.isOSWindows() && !T.isWindowsCygwinEnvironment()) {
426 // These functions aren't available in either MSVC or MinGW environments.
427 TLI.setUnavailable(LibFunc_bcmp);
428 TLI.setUnavailable(LibFunc_bcopy);
429 TLI.setUnavailable(LibFunc_bzero);
430 TLI.setUnavailable(LibFunc_chown);
431 TLI.setUnavailable(LibFunc_ctermid);
432 TLI.setUnavailable(LibFunc_ffs);
433 TLI.setUnavailable(LibFunc_flockfile);
434 TLI.setUnavailable(LibFunc_fstatvfs);
435 TLI.setUnavailable(LibFunc_ftrylockfile);
436 TLI.setUnavailable(LibFunc_funlockfile);
437 TLI.setUnavailable(LibFunc_getitimer);
438 TLI.setUnavailable(LibFunc_getlogin_r);
439 TLI.setUnavailable(LibFunc_getpwnam);
440 TLI.setUnavailable(LibFunc_htonl);
441 TLI.setUnavailable(LibFunc_htons);
442 TLI.setUnavailable(LibFunc_lchown);
443 TLI.setUnavailable(LibFunc_lstat);
444 TLI.setUnavailable(LibFunc_memrchr);
445 TLI.setUnavailable(LibFunc_ntohl);
446 TLI.setUnavailable(LibFunc_ntohs);
447 TLI.setUnavailable(LibFunc_pread);
448 TLI.setUnavailable(LibFunc_pwrite);
449 TLI.setUnavailable(LibFunc_readlink);
450 TLI.setUnavailable(LibFunc_realpath);
451 TLI.setUnavailable(LibFunc_setitimer);
452 TLI.setUnavailable(LibFunc_statvfs);
453 TLI.setUnavailable(LibFunc_stpcpy);
454 TLI.setUnavailable(LibFunc_stpncpy);
455 TLI.setUnavailable(LibFunc_times);
456 TLI.setUnavailable(LibFunc_uname);
457 TLI.setUnavailable(LibFunc_unsetenv);
458 TLI.setUnavailable(LibFunc_utimes);
459 }
460
461 // Pick just one set of new/delete variants.
462 if (T.isOSMSVCRT()) {
463 // MSVC, doesn't have the Itanium new/delete.
464 TLI.setUnavailable(LibFunc_ZdaPv);
465 TLI.setUnavailable(LibFunc_ZdaPvRKSt9nothrow_t);
466 TLI.setUnavailable(LibFunc_ZdaPvSt11align_val_t);
467 TLI.setUnavailable(LibFunc_ZdaPvSt11align_val_tRKSt9nothrow_t);
468 TLI.setUnavailable(LibFunc_ZdaPvj);
469 TLI.setUnavailable(LibFunc_ZdaPvjSt11align_val_t);
470 TLI.setUnavailable(LibFunc_ZdaPvm);
471 TLI.setUnavailable(LibFunc_ZdaPvmSt11align_val_t);
472 TLI.setUnavailable(LibFunc_ZdlPv);
473 TLI.setUnavailable(LibFunc_ZdlPvRKSt9nothrow_t);
474 TLI.setUnavailable(LibFunc_ZdlPvSt11align_val_t);
475 TLI.setUnavailable(LibFunc_ZdlPvSt11align_val_tRKSt9nothrow_t);
476 TLI.setUnavailable(LibFunc_ZdlPvj);
477 TLI.setUnavailable(LibFunc_ZdlPvjSt11align_val_t);
478 TLI.setUnavailable(LibFunc_ZdlPvm);
479 TLI.setUnavailable(LibFunc_ZdlPvmSt11align_val_t);
480 TLI.setUnavailable(LibFunc_Znaj);
481 TLI.setUnavailable(LibFunc_ZnajRKSt9nothrow_t);
482 TLI.setUnavailable(LibFunc_ZnajSt11align_val_t);
483 TLI.setUnavailable(LibFunc_ZnajSt11align_val_tRKSt9nothrow_t);
484 TLI.setUnavailable(LibFunc_Znam);
485 TLI.setUnavailable(LibFunc_ZnamRKSt9nothrow_t);
486 TLI.setUnavailable(LibFunc_ZnamRKSt9nothrow_t12__hot_cold_t);
487 TLI.setUnavailable(LibFunc_ZnamSt11align_val_t);
488 TLI.setUnavailable(LibFunc_ZnamSt11align_val_tRKSt9nothrow_t);
489 TLI.setUnavailable(LibFunc_Znwj);
490 TLI.setUnavailable(LibFunc_ZnwjRKSt9nothrow_t);
491 TLI.setUnavailable(LibFunc_ZnwjSt11align_val_t);
492 TLI.setUnavailable(LibFunc_ZnwjSt11align_val_tRKSt9nothrow_t);
493 TLI.setUnavailable(LibFunc_Znwm);
494 TLI.setUnavailable(LibFunc_ZnwmRKSt9nothrow_t);
495 TLI.setUnavailable(LibFunc_ZnwmRKSt9nothrow_t12__hot_cold_t);
496 TLI.setUnavailable(LibFunc_ZnwmSt11align_val_t);
497 TLI.setUnavailable(LibFunc_ZnwmSt11align_val_tRKSt9nothrow_t);
498 TLI.setUnavailable(LibFunc_Znwm12__hot_cold_t);
499 TLI.setUnavailable(LibFunc_ZnwmSt11align_val_t12__hot_cold_t);
500 TLI.setUnavailable(LibFunc_ZnwmSt11align_val_tRKSt9nothrow_t12__hot_cold_t);
501 TLI.setUnavailable(LibFunc_Znam12__hot_cold_t);
502 TLI.setUnavailable(LibFunc_ZnamSt11align_val_t12__hot_cold_t);
503 TLI.setUnavailable(LibFunc_ZnamSt11align_val_tRKSt9nothrow_t12__hot_cold_t);
504 } else {
505 // Not MSVC, assume it's Itanium.
506 TLI.setUnavailable(LibFunc_msvc_new_int);
507 TLI.setUnavailable(LibFunc_msvc_new_int_nothrow);
508 TLI.setUnavailable(LibFunc_msvc_new_longlong);
509 TLI.setUnavailable(LibFunc_msvc_new_longlong_nothrow);
510 TLI.setUnavailable(LibFunc_msvc_delete_ptr32);
511 TLI.setUnavailable(LibFunc_msvc_delete_ptr32_nothrow);
512 TLI.setUnavailable(LibFunc_msvc_delete_ptr32_int);
513 TLI.setUnavailable(LibFunc_msvc_delete_ptr64);
514 TLI.setUnavailable(LibFunc_msvc_delete_ptr64_nothrow);
515 TLI.setUnavailable(LibFunc_msvc_delete_ptr64_longlong);
516 TLI.setUnavailable(LibFunc_msvc_new_array_int);
517 TLI.setUnavailable(LibFunc_msvc_new_array_int_nothrow);
518 TLI.setUnavailable(LibFunc_msvc_new_array_longlong);
519 TLI.setUnavailable(LibFunc_msvc_new_array_longlong_nothrow);
520 TLI.setUnavailable(LibFunc_msvc_delete_array_ptr32);
521 TLI.setUnavailable(LibFunc_msvc_delete_array_ptr32_nothrow);
522 TLI.setUnavailable(LibFunc_msvc_delete_array_ptr32_int);
523 TLI.setUnavailable(LibFunc_msvc_delete_array_ptr64);
524 TLI.setUnavailable(LibFunc_msvc_delete_array_ptr64_nothrow);
525 TLI.setUnavailable(LibFunc_msvc_delete_array_ptr64_longlong);
526 }
527
528 switch (T.getOS()) {
529 case Triple::MacOSX:
530 // exp10 and exp10f are not available on OS X until 10.9 and iOS until 7.0
531 // and their names are __exp10 and __exp10f. exp10l is not available on
532 // OS X or iOS.
533 TLI.setUnavailable(LibFunc_exp10l);
534 if (T.isMacOSXVersionLT(10, 9)) {
535 TLI.setUnavailable(LibFunc_exp10);
536 TLI.setUnavailable(LibFunc_exp10f);
537 } else {
538 TLI.setAvailableWithName(LibFunc_exp10, "__exp10");
539 TLI.setAvailableWithName(LibFunc_exp10f, "__exp10f");
540 }
541 break;
542 case Triple::IOS:
543 case Triple::TvOS:
544 case Triple::WatchOS:
545 case Triple::XROS:
546 TLI.setUnavailable(LibFunc_exp10l);
547 if (!T.isWatchOS() &&
548 (T.isOSVersionLT(7, 0) || (T.isOSVersionLT(9, 0) && T.isX86()))) {
549 TLI.setUnavailable(LibFunc_exp10);
550 TLI.setUnavailable(LibFunc_exp10f);
551 } else {
552 TLI.setAvailableWithName(LibFunc_exp10, "__exp10");
553 TLI.setAvailableWithName(LibFunc_exp10f, "__exp10f");
554 }
555 break;
556 case Triple::Linux:
557 // exp10, exp10f, exp10l is available on Linux (GLIBC) but are extremely
558 // buggy prior to glibc version 2.18. Until this version is widely deployed
559 // or we have a reasonable detection strategy, we cannot use exp10 reliably
560 // on Linux.
561 //
562 // Fall through to disable all of them.
563 [[fallthrough]];
564 default:
565 TLI.setUnavailable(LibFunc_exp10);
566 TLI.setUnavailable(LibFunc_exp10f);
567 TLI.setUnavailable(LibFunc_exp10l);
568 }
569
570 // ffsl is available on at least Darwin, Mac OS X, iOS, FreeBSD, and
571 // Linux (GLIBC):
572 // http://developer.apple.com/library/mac/#documentation/Darwin/Reference/ManPages/man3/ffsl.3.html
573 // http://svn.freebsd.org/base/head/lib/libc/string/ffsl.c
574 // http://www.gnu.org/software/gnulib/manual/html_node/ffsl.html
575 switch (T.getOS()) {
576 case Triple::Darwin:
577 case Triple::MacOSX:
578 case Triple::IOS:
579 case Triple::TvOS:
580 case Triple::WatchOS:
581 case Triple::XROS:
582 case Triple::FreeBSD:
583 case Triple::Linux:
584 break;
585 default:
586 TLI.setUnavailable(LibFunc_ffsl);
587 }
588
589 // ffsll is available on at least FreeBSD and Linux (GLIBC):
590 // http://svn.freebsd.org/base/head/lib/libc/string/ffsll.c
591 // http://www.gnu.org/software/gnulib/manual/html_node/ffsll.html
592 switch (T.getOS()) {
593 case Triple::Darwin:
594 case Triple::MacOSX:
595 case Triple::IOS:
596 case Triple::TvOS:
597 case Triple::WatchOS:
598 case Triple::XROS:
599 case Triple::FreeBSD:
600 case Triple::Linux:
601 break;
602 default:
603 TLI.setUnavailable(LibFunc_ffsll);
604 }
605
606 // The following functions are available on at least FreeBSD:
607 // http://svn.freebsd.org/base/head/lib/libc/string/fls.c
608 // http://svn.freebsd.org/base/head/lib/libc/string/flsl.c
609 // http://svn.freebsd.org/base/head/lib/libc/string/flsll.c
610 if (!T.isOSFreeBSD()) {
611 TLI.setUnavailable(LibFunc_fls);
612 TLI.setUnavailable(LibFunc_flsl);
613 TLI.setUnavailable(LibFunc_flsll);
614 }
615
616 // The following functions are only available on GNU/Linux (using glibc).
617 // Linux variants without glibc (eg: bionic, musl) may have some subset.
618 if (!T.isOSLinux() || !T.isGNUEnvironment()) {
619 TLI.setUnavailable(LibFunc_dunder_strdup);
620 TLI.setUnavailable(LibFunc_dunder_strtok_r);
621 TLI.setUnavailable(LibFunc_dunder_isoc99_scanf);
622 TLI.setUnavailable(LibFunc_dunder_isoc99_sscanf);
623 TLI.setUnavailable(LibFunc_under_IO_getc);
624 TLI.setUnavailable(LibFunc_under_IO_putc);
625 // But, Android and musl have memalign.
626 if (!T.isAndroid() && !T.isMusl())
627 TLI.setUnavailable(LibFunc_memalign);
628 TLI.setUnavailable(LibFunc_fopen64);
629 TLI.setUnavailable(LibFunc_fseeko64);
630 TLI.setUnavailable(LibFunc_fstat64);
631 TLI.setUnavailable(LibFunc_fstatvfs64);
632 TLI.setUnavailable(LibFunc_ftello64);
633 TLI.setUnavailable(LibFunc_lstat64);
634 TLI.setUnavailable(LibFunc_open64);
635 TLI.setUnavailable(LibFunc_stat64);
636 TLI.setUnavailable(LibFunc_statvfs64);
637 TLI.setUnavailable(LibFunc_tmpfile64);
638
639 // Relaxed math functions are included in math-finite.h on Linux (GLIBC).
640 // Note that math-finite.h is no longer supported by top-of-tree GLIBC,
641 // so we keep these functions around just so that they're recognized by
642 // the ConstantFolder.
643 TLI.setUnavailable(LibFunc_acos_finite);
644 TLI.setUnavailable(LibFunc_acosf_finite);
645 TLI.setUnavailable(LibFunc_acosl_finite);
646 TLI.setUnavailable(LibFunc_acosh_finite);
647 TLI.setUnavailable(LibFunc_acoshf_finite);
648 TLI.setUnavailable(LibFunc_acoshl_finite);
649 TLI.setUnavailable(LibFunc_asin_finite);
650 TLI.setUnavailable(LibFunc_asinf_finite);
651 TLI.setUnavailable(LibFunc_asinl_finite);
652 TLI.setUnavailable(LibFunc_atan2_finite);
653 TLI.setUnavailable(LibFunc_atan2f_finite);
654 TLI.setUnavailable(LibFunc_atan2l_finite);
655 TLI.setUnavailable(LibFunc_atanh_finite);
656 TLI.setUnavailable(LibFunc_atanhf_finite);
657 TLI.setUnavailable(LibFunc_atanhl_finite);
658 TLI.setUnavailable(LibFunc_cosh_finite);
659 TLI.setUnavailable(LibFunc_coshf_finite);
660 TLI.setUnavailable(LibFunc_coshl_finite);
661 TLI.setUnavailable(LibFunc_exp10_finite);
662 TLI.setUnavailable(LibFunc_exp10f_finite);
663 TLI.setUnavailable(LibFunc_exp10l_finite);
664 TLI.setUnavailable(LibFunc_exp2_finite);
665 TLI.setUnavailable(LibFunc_exp2f_finite);
666 TLI.setUnavailable(LibFunc_exp2l_finite);
667 TLI.setUnavailable(LibFunc_exp_finite);
668 TLI.setUnavailable(LibFunc_expf_finite);
669 TLI.setUnavailable(LibFunc_expl_finite);
670 TLI.setUnavailable(LibFunc_log10_finite);
671 TLI.setUnavailable(LibFunc_log10f_finite);
672 TLI.setUnavailable(LibFunc_log10l_finite);
673 TLI.setUnavailable(LibFunc_log2_finite);
674 TLI.setUnavailable(LibFunc_log2f_finite);
675 TLI.setUnavailable(LibFunc_log2l_finite);
676 TLI.setUnavailable(LibFunc_log_finite);
677 TLI.setUnavailable(LibFunc_logf_finite);
678 TLI.setUnavailable(LibFunc_logl_finite);
679 TLI.setUnavailable(LibFunc_pow_finite);
680 TLI.setUnavailable(LibFunc_powf_finite);
681 TLI.setUnavailable(LibFunc_powl_finite);
682 TLI.setUnavailable(LibFunc_sinh_finite);
683 TLI.setUnavailable(LibFunc_sinhf_finite);
684 TLI.setUnavailable(LibFunc_sinhl_finite);
685 TLI.setUnavailable(LibFunc_sqrt_finite);
686 TLI.setUnavailable(LibFunc_sqrtf_finite);
687 TLI.setUnavailable(LibFunc_sqrtl_finite);
688 }
689
690 if ((T.isOSLinux() && T.isGNUEnvironment()) ||
691 (T.isAndroid() && !T.isAndroidVersionLT(28))) {
692 // available IO unlocked variants on GNU/Linux and Android P or later
693 TLI.setAvailable(LibFunc_getc_unlocked);
694 TLI.setAvailable(LibFunc_getchar_unlocked);
695 TLI.setAvailable(LibFunc_putc_unlocked);
696 TLI.setAvailable(LibFunc_putchar_unlocked);
697 TLI.setAvailable(LibFunc_fputc_unlocked);
698 TLI.setAvailable(LibFunc_fgetc_unlocked);
699 TLI.setAvailable(LibFunc_fread_unlocked);
700 TLI.setAvailable(LibFunc_fwrite_unlocked);
701 TLI.setAvailable(LibFunc_fputs_unlocked);
702 TLI.setAvailable(LibFunc_fgets_unlocked);
703 }
704
705 if (T.isAndroid() && T.isAndroidVersionLT(21)) {
706 TLI.setUnavailable(LibFunc_stpcpy);
707 TLI.setUnavailable(LibFunc_stpncpy);
708 }
709
710 if (T.isPS()) {
711 // PS4/PS5 do have memalign.
712 TLI.setAvailable(LibFunc_memalign);
713
714 // PS4/PS5 do not have new/delete with "unsigned int" size parameter;
715 // they only have the "unsigned long" versions.
716 TLI.setUnavailable(LibFunc_ZdaPvj);
717 TLI.setUnavailable(LibFunc_ZdaPvjSt11align_val_t);
718 TLI.setUnavailable(LibFunc_ZdlPvj);
719 TLI.setUnavailable(LibFunc_ZdlPvjSt11align_val_t);
720 TLI.setUnavailable(LibFunc_Znaj);
721 TLI.setUnavailable(LibFunc_ZnajRKSt9nothrow_t);
722 TLI.setUnavailable(LibFunc_ZnajSt11align_val_t);
723 TLI.setUnavailable(LibFunc_ZnajSt11align_val_tRKSt9nothrow_t);
724 TLI.setUnavailable(LibFunc_Znwj);
725 TLI.setUnavailable(LibFunc_ZnwjRKSt9nothrow_t);
726 TLI.setUnavailable(LibFunc_ZnwjSt11align_val_t);
727 TLI.setUnavailable(LibFunc_ZnwjSt11align_val_tRKSt9nothrow_t);
728
729 // None of the *_chk functions.
730 TLI.setUnavailable(LibFunc_memccpy_chk);
731 TLI.setUnavailable(LibFunc_memcpy_chk);
732 TLI.setUnavailable(LibFunc_memmove_chk);
733 TLI.setUnavailable(LibFunc_mempcpy_chk);
734 TLI.setUnavailable(LibFunc_memset_chk);
735 TLI.setUnavailable(LibFunc_snprintf_chk);
736 TLI.setUnavailable(LibFunc_sprintf_chk);
737 TLI.setUnavailable(LibFunc_stpcpy_chk);
738 TLI.setUnavailable(LibFunc_stpncpy_chk);
739 TLI.setUnavailable(LibFunc_strcat_chk);
740 TLI.setUnavailable(LibFunc_strcpy_chk);
741 TLI.setUnavailable(LibFunc_strlcat_chk);
742 TLI.setUnavailable(LibFunc_strlcpy_chk);
743 TLI.setUnavailable(LibFunc_strlen_chk);
744 TLI.setUnavailable(LibFunc_strncat_chk);
745 TLI.setUnavailable(LibFunc_strncpy_chk);
746 TLI.setUnavailable(LibFunc_vsnprintf_chk);
747 TLI.setUnavailable(LibFunc_vsprintf_chk);
748
749 // Various Posix system functions.
750 TLI.setUnavailable(LibFunc_access);
751 TLI.setUnavailable(LibFunc_chmod);
752 TLI.setUnavailable(LibFunc_chown);
753 TLI.setUnavailable(LibFunc_closedir);
754 TLI.setUnavailable(LibFunc_ctermid);
755 TLI.setUnavailable(LibFunc_execl);
756 TLI.setUnavailable(LibFunc_execle);
757 TLI.setUnavailable(LibFunc_execlp);
758 TLI.setUnavailable(LibFunc_execv);
759 TLI.setUnavailable(LibFunc_execvP);
760 TLI.setUnavailable(LibFunc_execve);
761 TLI.setUnavailable(LibFunc_execvp);
762 TLI.setUnavailable(LibFunc_execvpe);
763 TLI.setUnavailable(LibFunc_fork);
764 TLI.setUnavailable(LibFunc_fstat);
765 TLI.setUnavailable(LibFunc_fstatvfs);
766 TLI.setUnavailable(LibFunc_getenv);
767 TLI.setUnavailable(LibFunc_getitimer);
768 TLI.setUnavailable(LibFunc_getlogin_r);
769 TLI.setUnavailable(LibFunc_getpwnam);
770 TLI.setUnavailable(LibFunc_gettimeofday);
771 TLI.setUnavailable(LibFunc_lchown);
772 TLI.setUnavailable(LibFunc_lstat);
773 TLI.setUnavailable(LibFunc_mkdir);
774 TLI.setUnavailable(LibFunc_open);
775 TLI.setUnavailable(LibFunc_opendir);
776 TLI.setUnavailable(LibFunc_pclose);
777 TLI.setUnavailable(LibFunc_popen);
778 TLI.setUnavailable(LibFunc_pread);
779 TLI.setUnavailable(LibFunc_pwrite);
780 TLI.setUnavailable(LibFunc_read);
781 TLI.setUnavailable(LibFunc_readlink);
782 TLI.setUnavailable(LibFunc_realpath);
783 TLI.setUnavailable(LibFunc_rename);
784 TLI.setUnavailable(LibFunc_rmdir);
785 TLI.setUnavailable(LibFunc_setitimer);
786 TLI.setUnavailable(LibFunc_stat);
787 TLI.setUnavailable(LibFunc_statvfs);
788 TLI.setUnavailable(LibFunc_system);
789 TLI.setUnavailable(LibFunc_times);
790 TLI.setUnavailable(LibFunc_tmpfile);
791 TLI.setUnavailable(LibFunc_unlink);
792 TLI.setUnavailable(LibFunc_uname);
793 TLI.setUnavailable(LibFunc_unsetenv);
794 TLI.setUnavailable(LibFunc_utime);
795 TLI.setUnavailable(LibFunc_utimes);
796 TLI.setUnavailable(LibFunc_valloc);
797 TLI.setUnavailable(LibFunc_write);
798
799 // Miscellaneous other functions not provided.
800 TLI.setUnavailable(LibFunc_atomic_load);
801 TLI.setUnavailable(LibFunc_atomic_store);
802 TLI.setUnavailable(LibFunc___kmpc_alloc_shared);
803 TLI.setUnavailable(LibFunc___kmpc_free_shared);
804 TLI.setUnavailable(LibFunc_dunder_strndup);
805 TLI.setUnavailable(LibFunc_bcmp);
806 TLI.setUnavailable(LibFunc_bcopy);
807 TLI.setUnavailable(LibFunc_bzero);
808 TLI.setUnavailable(LibFunc_cabs);
809 TLI.setUnavailable(LibFunc_cabsf);
810 TLI.setUnavailable(LibFunc_cabsl);
811 TLI.setUnavailable(LibFunc_erf);
812 TLI.setUnavailable(LibFunc_erff);
813 TLI.setUnavailable(LibFunc_erfl);
814 TLI.setUnavailable(LibFunc_ffs);
815 TLI.setUnavailable(LibFunc_flockfile);
816 TLI.setUnavailable(LibFunc_fseeko);
817 TLI.setUnavailable(LibFunc_ftello);
818 TLI.setUnavailable(LibFunc_ftrylockfile);
819 TLI.setUnavailable(LibFunc_funlockfile);
820 TLI.setUnavailable(LibFunc_htonl);
821 TLI.setUnavailable(LibFunc_htons);
822 TLI.setUnavailable(LibFunc_isascii);
823 TLI.setUnavailable(LibFunc_memccpy);
824 TLI.setUnavailable(LibFunc_mempcpy);
825 TLI.setUnavailable(LibFunc_memrchr);
826 TLI.setUnavailable(LibFunc_ntohl);
827 TLI.setUnavailable(LibFunc_ntohs);
828 TLI.setUnavailable(LibFunc_reallocf);
829 TLI.setUnavailable(LibFunc_roundeven);
830 TLI.setUnavailable(LibFunc_roundevenf);
831 TLI.setUnavailable(LibFunc_roundevenl);
832 TLI.setUnavailable(LibFunc_stpcpy);
833 TLI.setUnavailable(LibFunc_stpncpy);
834 TLI.setUnavailable(LibFunc_strlcat);
835 TLI.setUnavailable(LibFunc_strlcpy);
836 TLI.setUnavailable(LibFunc_strndup);
837 TLI.setUnavailable(LibFunc_strnlen);
838 TLI.setUnavailable(LibFunc_toascii);
839 }
840
841 // As currently implemented in clang, NVPTX code has no standard library to
842 // speak of. Headers provide a standard-ish library implementation, but many
843 // of the signatures are wrong -- for example, many libm functions are not
844 // extern "C".
845 //
846 // libdevice, an IR library provided by nvidia, is linked in by the front-end,
847 // but only used functions are provided to llvm. Moreover, most of the
848 // functions in libdevice don't map precisely to standard library functions.
849 //
850 // FIXME: Having no standard library prevents e.g. many fastmath
851 // optimizations, so this situation should be fixed.
852 if (T.isNVPTX()) {
854 TLI.setAvailable(LibFunc_nvvm_reflect);
855 TLI.setAvailable(llvm::LibFunc_malloc);
856 TLI.setAvailable(llvm::LibFunc_free);
857
858 // TODO: We could enable the following two according to [0] but we haven't
859 // done an evaluation wrt. the performance implications.
860 // [0]
861 // https://docs.nvidia.com/cuda/cuda-c-programming-guide/index.html#dynamic-global-memory-allocation-and-operations
862 //
863 // TLI.setAvailable(llvm::LibFunc_memcpy);
864 // TLI.setAvailable(llvm::LibFunc_memset);
865
866 TLI.setAvailable(llvm::LibFunc___kmpc_alloc_shared);
867 TLI.setAvailable(llvm::LibFunc___kmpc_free_shared);
868 } else {
869 TLI.setUnavailable(LibFunc_nvvm_reflect);
870 }
871
872 // These vec_malloc/free routines are only available on AIX.
873 if (!T.isOSAIX()) {
874 TLI.setUnavailable(LibFunc_vec_calloc);
875 TLI.setUnavailable(LibFunc_vec_malloc);
876 TLI.setUnavailable(LibFunc_vec_realloc);
877 TLI.setUnavailable(LibFunc_vec_free);
878 }
879
881}
882
884 // Default to everything being available.
885 memset(AvailableArray, -1, sizeof(AvailableArray));
886
887 initialize(*this, Triple(), StandardNames);
888}
889
891 // Default to everything being available.
892 memset(AvailableArray, -1, sizeof(AvailableArray));
893
894 initialize(*this, T, StandardNames);
895}
896
898 : CustomNames(TLI.CustomNames), ShouldExtI32Param(TLI.ShouldExtI32Param),
899 ShouldExtI32Return(TLI.ShouldExtI32Return),
900 ShouldSignExtI32Param(TLI.ShouldSignExtI32Param),
901 ShouldSignExtI32Return(TLI.ShouldSignExtI32Return),
902 SizeOfInt(TLI.SizeOfInt) {
903 memcpy(AvailableArray, TLI.AvailableArray, sizeof(AvailableArray));
904 VectorDescs = TLI.VectorDescs;
905 ScalarDescs = TLI.ScalarDescs;
906}
907
909 : CustomNames(std::move(TLI.CustomNames)),
910 ShouldExtI32Param(TLI.ShouldExtI32Param),
911 ShouldExtI32Return(TLI.ShouldExtI32Return),
912 ShouldSignExtI32Param(TLI.ShouldSignExtI32Param),
913 ShouldSignExtI32Return(TLI.ShouldSignExtI32Return),
914 SizeOfInt(TLI.SizeOfInt) {
915 std::move(std::begin(TLI.AvailableArray), std::end(TLI.AvailableArray),
916 AvailableArray);
917 VectorDescs = TLI.VectorDescs;
918 ScalarDescs = TLI.ScalarDescs;
919}
920
922 CustomNames = TLI.CustomNames;
923 ShouldExtI32Param = TLI.ShouldExtI32Param;
924 ShouldExtI32Return = TLI.ShouldExtI32Return;
925 ShouldSignExtI32Param = TLI.ShouldSignExtI32Param;
926 ShouldSignExtI32Return = TLI.ShouldSignExtI32Return;
927 SizeOfInt = TLI.SizeOfInt;
928 memcpy(AvailableArray, TLI.AvailableArray, sizeof(AvailableArray));
929 return *this;
930}
931
933 CustomNames = std::move(TLI.CustomNames);
934 ShouldExtI32Param = TLI.ShouldExtI32Param;
935 ShouldExtI32Return = TLI.ShouldExtI32Return;
936 ShouldSignExtI32Param = TLI.ShouldSignExtI32Param;
937 ShouldSignExtI32Return = TLI.ShouldSignExtI32Return;
938 SizeOfInt = TLI.SizeOfInt;
939 std::move(std::begin(TLI.AvailableArray), std::end(TLI.AvailableArray),
940 AvailableArray);
941 return *this;
942}
943
945 // Filter out empty names and names containing null bytes, those can't be in
946 // our table.
947 if (funcName.empty() || funcName.contains('\0'))
948 return StringRef();
949
950 // Check for \01 prefix that is used to mangle __asm declarations and
951 // strip it if present.
953}
954
958 unsigned Idx = 0;
960 for (const auto &Func : StandardNames)
961 Indices[Func] = static_cast<LibFunc>(Idx++);
962 return Indices;
963}
964
966 funcName = sanitizeFunctionName(funcName);
967 if (funcName.empty())
968 return false;
969
970 static const DenseMap<StringRef, LibFunc> Indices =
971 buildIndexMap(StandardNames);
972
973 if (auto Loc = Indices.find(funcName); Loc != Indices.end()) {
974 F = Loc->second;
975 return true;
976 }
977 return false;
978}
979
980// Return true if ArgTy matches Ty.
981
982static bool matchType(FuncArgTypeID ArgTy, const Type *Ty, unsigned IntBits,
983 unsigned SizeTBits) {
984 switch (ArgTy) {
985 case Void:
986 return Ty->isVoidTy();
987 case Bool:
988 return Ty->isIntegerTy(8);
989 case Int16:
990 return Ty->isIntegerTy(16);
991 case Int32:
992 return Ty->isIntegerTy(32);
993 case Int:
994 return Ty->isIntegerTy(IntBits);
995 case IntPlus:
996 return Ty->isIntegerTy() && Ty->getPrimitiveSizeInBits() >= IntBits;
997 case IntX:
998 return Ty->isIntegerTy();
999 case Long:
1000 // TODO: Figure out and use long size.
1001 return Ty->isIntegerTy() && Ty->getPrimitiveSizeInBits() >= IntBits;
1002 case Int64:
1003 return Ty->isIntegerTy(64);
1004 case LLong:
1005 return Ty->isIntegerTy(64);
1006 case SizeT:
1007 case SSizeT:
1008 return Ty->isIntegerTy(SizeTBits);
1009 case Flt:
1010 return Ty->isFloatTy();
1011 case Dbl:
1012 return Ty->isDoubleTy();
1013 // TODO: Tighten this up.
1014 case LDbl:
1015 return Ty->isFloatingPointTy();
1016 case Floating:
1017 return Ty->isFloatingPointTy();
1018 case Ptr:
1019 return Ty->isPointerTy();
1020 case Struct:
1021 return Ty->isStructTy();
1022 default:
1023 break;
1024 }
1025
1026 llvm_unreachable("Invalid type");
1027}
1028
1029bool TargetLibraryInfoImpl::isValidProtoForLibFunc(const FunctionType &FTy,
1030 LibFunc F,
1031 const Module &M) const {
1032 unsigned NumParams = FTy.getNumParams();
1033
1034 switch (F) {
1035 // Special handling for <complex.h> functions:
1036 case LibFunc_cabs:
1037 case LibFunc_cabsf:
1038 case LibFunc_cabsl: {
1039 Type *RetTy = FTy.getReturnType();
1040 if (!RetTy->isFloatingPointTy())
1041 return false;
1042
1043 Type *ParamTy = FTy.getParamType(0);
1044 // NOTE: These prototypes are target specific and currently support
1045 // "complex" passed as an array or discrete real & imaginary parameters.
1046 // Add other calling conventions to enable libcall optimizations.
1047 if (NumParams == 1)
1048 return (ParamTy->isArrayTy() && ParamTy->getArrayNumElements() == 2 &&
1049 ParamTy->getArrayElementType() == RetTy);
1050 else if (NumParams == 2)
1051 return ParamTy == RetTy && FTy.getParamType(1) == RetTy;
1052
1053 return false;
1054 }
1055 // Special handling for the sincospi functions that return either
1056 // a struct or vector:
1057 case LibFunc_sincospi_stret:
1058 case LibFunc_sincospif_stret: {
1059 if (NumParams != 1)
1060 return false;
1061
1062 Type *RetTy = FTy.getReturnType();
1063 Type *ParamTy = FTy.getParamType(0);
1064 if (auto *Ty = dyn_cast<StructType>(RetTy)) {
1065 if (Ty->getNumElements() != 2)
1066 return false;
1067 return (Ty->getElementType(0) == ParamTy &&
1068 Ty->getElementType(1) == ParamTy);
1069 }
1070
1071 if (auto *Ty = dyn_cast<FixedVectorType>(RetTy)) {
1072 if (Ty->getNumElements() != 2)
1073 return false;
1074 return Ty->getElementType() == ParamTy;
1075 }
1076
1077 return false;
1078 }
1079
1080 default:
1081 break;
1082 }
1083
1084 unsigned IntBits = getIntSize();
1085 unsigned SizeTBits = getSizeTSize(M);
1086 unsigned Idx = 0;
1087
1088 // Iterate over the type ids in the function prototype, matching each
1089 // against the function's type FTy, starting with its return type.
1090 // Return true if both match in number and kind, inclduing the ellipsis.
1091 Type *Ty = FTy.getReturnType(), *LastTy = Ty;
1092 const auto &ProtoTypes = Signatures[F];
1093 for (auto TyID : ProtoTypes) {
1094 if (Idx && TyID == Void)
1095 // Except in the first position where it designates the function's
1096 // return type Void ends the argument list.
1097 break;
1098
1099 if (TyID == Ellip) {
1100 // The ellipsis ends the protoype list but is not a part of FTy's
1101 // argument list. Except when it's last it must be followed by
1102 // Void.
1103 assert(Idx == ProtoTypes.size() - 1 || ProtoTypes[Idx + 1] == Void);
1104 return FTy.isFunctionVarArg();
1105 }
1106
1107 if (TyID == Same) {
1108 assert(Idx != 0 && "Type ID 'Same' must not be first!");
1109 if (Ty != LastTy)
1110 return false;
1111 } else {
1112 if (!Ty || !matchType(TyID, Ty, IntBits, SizeTBits))
1113 return false;
1114 LastTy = Ty;
1115 }
1116
1117 if (Idx == NumParams) {
1118 // There's at least one and at most two more type ids than there are
1119 // arguments in FTy's argument list.
1120 Ty = nullptr;
1121 ++Idx;
1122 continue;
1123 }
1124
1125 Ty = FTy.getParamType(Idx++);
1126 }
1127
1128 // Return success only if all entries on both lists have been processed
1129 // and the function is not a variadic one.
1130 return Idx == NumParams + 1 && !FTy.isFunctionVarArg();
1131}
1132
1134 LibFunc &F) const {
1135 // Intrinsics don't overlap w/libcalls; if our module has a large number of
1136 // intrinsics, this ends up being an interesting compile time win since we
1137 // avoid string normalization and comparison.
1138 if (FDecl.isIntrinsic()) return false;
1139
1140 const Module *M = FDecl.getParent();
1141 assert(M && "Expecting FDecl to be connected to a Module.");
1142
1143 if (FDecl.LibFuncCache == Function::UnknownLibFunc)
1144 if (!getLibFunc(FDecl.getName(), FDecl.LibFuncCache))
1145 FDecl.LibFuncCache = NotLibFunc;
1146
1147 if (FDecl.LibFuncCache == NotLibFunc)
1148 return false;
1149
1150 F = FDecl.LibFuncCache;
1151 return isValidProtoForLibFunc(*FDecl.getFunctionType(), F, *M);
1152}
1153
1154bool TargetLibraryInfoImpl::getLibFunc(unsigned int Opcode, Type *Ty,
1155 LibFunc &F) const {
1156 // Must be a frem instruction with float or double arguments.
1157 if (Opcode != Instruction::FRem || (!Ty->isDoubleTy() && !Ty->isFloatTy()))
1158 return false;
1159
1160 F = Ty->isDoubleTy() ? LibFunc_fmod : LibFunc_fmodf;
1161 return true;
1162}
1163
1165 memset(AvailableArray, 0, sizeof(AvailableArray));
1166}
1167
1168static bool compareByScalarFnName(const VecDesc &LHS, const VecDesc &RHS) {
1169 return LHS.getScalarFnName() < RHS.getScalarFnName();
1170}
1171
1172static bool compareByVectorFnName(const VecDesc &LHS, const VecDesc &RHS) {
1173 return LHS.getVectorFnName() < RHS.getVectorFnName();
1174}
1175
1176static bool compareWithScalarFnName(const VecDesc &LHS, StringRef S) {
1177 return LHS.getScalarFnName() < S;
1178}
1179
1181 llvm::append_range(VectorDescs, Fns);
1182 llvm::sort(VectorDescs, compareByScalarFnName);
1183
1184 llvm::append_range(ScalarDescs, Fns);
1185 llvm::sort(ScalarDescs, compareByVectorFnName);
1186}
1187
1189 enum VectorLibrary VecLib, const llvm::Triple &TargetTriple) {
1190 switch (VecLib) {
1191 case Accelerate: {
1192 const VecDesc VecFuncs[] = {
1193 #define TLI_DEFINE_ACCELERATE_VECFUNCS
1194 #include "llvm/Analysis/VecFuncs.def"
1195 };
1196 addVectorizableFunctions(VecFuncs);
1197 break;
1198 }
1199 case DarwinLibSystemM: {
1200 const VecDesc VecFuncs[] = {
1201 #define TLI_DEFINE_DARWIN_LIBSYSTEM_M_VECFUNCS
1202 #include "llvm/Analysis/VecFuncs.def"
1203 };
1204 addVectorizableFunctions(VecFuncs);
1205 break;
1206 }
1207 case LIBMVEC_X86: {
1208 const VecDesc VecFuncs[] = {
1209 #define TLI_DEFINE_LIBMVEC_X86_VECFUNCS
1210 #include "llvm/Analysis/VecFuncs.def"
1211 };
1212 addVectorizableFunctions(VecFuncs);
1213 break;
1214 }
1215 case MASSV: {
1216 const VecDesc VecFuncs[] = {
1217 #define TLI_DEFINE_MASSV_VECFUNCS
1218 #include "llvm/Analysis/VecFuncs.def"
1219 };
1220 addVectorizableFunctions(VecFuncs);
1221 break;
1222 }
1223 case SVML: {
1224 const VecDesc VecFuncs[] = {
1225 #define TLI_DEFINE_SVML_VECFUNCS
1226 #include "llvm/Analysis/VecFuncs.def"
1227 };
1228 addVectorizableFunctions(VecFuncs);
1229 break;
1230 }
1231 case SLEEFGNUABI: {
1232 const VecDesc VecFuncs_VF2[] = {
1233#define TLI_DEFINE_SLEEFGNUABI_VF2_VECFUNCS
1234#define TLI_DEFINE_VECFUNC(SCAL, VEC, VF, VABI_PREFIX) \
1235 {SCAL, VEC, VF, /* MASK = */ false, VABI_PREFIX},
1236#include "llvm/Analysis/VecFuncs.def"
1237 };
1238 const VecDesc VecFuncs_VF4[] = {
1239#define TLI_DEFINE_SLEEFGNUABI_VF4_VECFUNCS
1240#define TLI_DEFINE_VECFUNC(SCAL, VEC, VF, VABI_PREFIX) \
1241 {SCAL, VEC, VF, /* MASK = */ false, VABI_PREFIX},
1242#include "llvm/Analysis/VecFuncs.def"
1243 };
1244 const VecDesc VecFuncs_VFScalable[] = {
1245#define TLI_DEFINE_SLEEFGNUABI_SCALABLE_VECFUNCS
1246#define TLI_DEFINE_VECFUNC(SCAL, VEC, VF, MASK, VABI_PREFIX) \
1247 {SCAL, VEC, VF, MASK, VABI_PREFIX},
1248#include "llvm/Analysis/VecFuncs.def"
1249 };
1250
1251 switch (TargetTriple.getArch()) {
1252 default:
1253 break;
1256 addVectorizableFunctions(VecFuncs_VF2);
1257 addVectorizableFunctions(VecFuncs_VF4);
1258 addVectorizableFunctions(VecFuncs_VFScalable);
1259 break;
1260 }
1261 break;
1262 }
1263 case ArmPL: {
1264 const VecDesc VecFuncs[] = {
1265#define TLI_DEFINE_ARMPL_VECFUNCS
1266#define TLI_DEFINE_VECFUNC(SCAL, VEC, VF, MASK, VABI_PREFIX) \
1267 {SCAL, VEC, VF, MASK, VABI_PREFIX},
1268#include "llvm/Analysis/VecFuncs.def"
1269 };
1270
1271 switch (TargetTriple.getArch()) {
1272 default:
1273 break;
1276 addVectorizableFunctions(VecFuncs);
1277 break;
1278 }
1279 break;
1280 }
1281 case AMDLIBM: {
1282 const VecDesc VecFuncs[] = {
1283#define TLI_DEFINE_AMDLIBM_VECFUNCS
1284#define TLI_DEFINE_VECFUNC(SCAL, VEC, VF, MASK, VABI_PREFIX) \
1285 {SCAL, VEC, VF, MASK, VABI_PREFIX},
1286#include "llvm/Analysis/VecFuncs.def"
1287 };
1288 addVectorizableFunctions(VecFuncs);
1289 break;
1290 }
1291 case NoLibrary:
1292 break;
1293 }
1294}
1295
1297 funcName = sanitizeFunctionName(funcName);
1298 if (funcName.empty())
1299 return false;
1300
1301 std::vector<VecDesc>::const_iterator I =
1302 llvm::lower_bound(VectorDescs, funcName, compareWithScalarFnName);
1303 return I != VectorDescs.end() && StringRef(I->getScalarFnName()) == funcName;
1304}
1305
1307 const ElementCount &VF,
1308 bool Masked) const {
1309 const VecDesc *VD = getVectorMappingInfo(F, VF, Masked);
1310 if (VD)
1311 return VD->getVectorFnName();
1312 return StringRef();
1313}
1314
1315const VecDesc *
1317 bool Masked) const {
1319 if (F.empty())
1320 return nullptr;
1321 std::vector<VecDesc>::const_iterator I =
1323 while (I != VectorDescs.end() && StringRef(I->getScalarFnName()) == F) {
1324 if ((I->getVectorizationFactor() == VF) && (I->isMasked() == Masked))
1325 return &(*I);
1326 ++I;
1327 }
1328 return nullptr;
1329}
1330
1333 if (!BaselineInfoImpl)
1334 BaselineInfoImpl =
1335 TargetLibraryInfoImpl(Triple(F.getParent()->getTargetTriple()));
1336 return TargetLibraryInfo(*BaselineInfoImpl, &F);
1337}
1338
1340 if (auto *ShortWChar = cast_or_null<ConstantAsMetadata>(
1341 M.getModuleFlag("wchar_size")))
1342 return cast<ConstantInt>(ShortWChar->getValue())->getZExtValue();
1343 return 0;
1344}
1345
1347 // There is really no guarantee that sizeof(size_t) is equal to sizeof(int*).
1348 // If that isn't true then it should be possible to derive the SizeTTy from
1349 // the target triple here instead and do an early return.
1350
1351 // Historically LLVM assume that size_t has same size as intptr_t (hence
1352 // deriving the size from sizeof(int*) in address space zero). This should
1353 // work for most targets. For future consideration: DataLayout also implement
1354 // getIndexSizeInBits which might map better to size_t compared to
1355 // getPointerSizeInBits. Hard coding address space zero here might be
1356 // unfortunate as well. Maybe getDefaultGlobalsAddressSpace() or
1357 // getAllocaAddrSpace() is better.
1358 unsigned AddressSpace = 0;
1359 return M.getDataLayout().getPointerSizeInBits(AddressSpace);
1360}
1361
1365}
1366
1370}
1371
1373 const TargetLibraryInfoImpl &TLIImpl)
1374 : ImmutablePass(ID), TLA(TLIImpl) {
1376}
1377
1378AnalysisKey TargetLibraryAnalysis::Key;
1379
1380// Register the basic pass.
1382 "Target Library Information", false, true)
1384
1385void TargetLibraryInfoWrapperPass::anchor() {}
1386
1388 ElementCount &FixedVF,
1389 ElementCount &ScalableVF) const {
1390 ScalarF = sanitizeFunctionName(ScalarF);
1391 // Use '0' here because a type of the form <vscale x 1 x ElTy> is not the
1392 // same as a scalar.
1393 ScalableVF = ElementCount::getScalable(0);
1394 FixedVF = ElementCount::getFixed(1);
1395 if (ScalarF.empty())
1396 return;
1397
1398 std::vector<VecDesc>::const_iterator I =
1399 llvm::lower_bound(VectorDescs, ScalarF, compareWithScalarFnName);
1400 while (I != VectorDescs.end() && StringRef(I->getScalarFnName()) == ScalarF) {
1401 ElementCount *VF =
1402 I->getVectorizationFactor().isScalable() ? &ScalableVF : &FixedVF;
1403 if (ElementCount::isKnownGT(I->getVectorizationFactor(), *VF))
1404 *VF = I->getVectorizationFactor();
1405 ++I;
1406 }
1407}
#define clEnumValN(ENUMVAL, FLAGNAME, DESC)
Definition: CommandLine.h:693
This file contains the declarations for the subclasses of Constant, which represent the different fla...
return RetTy
Returns the sub type a function will return at a given Idx Should correspond to the result type of an ExtractValue instruction executed with just that one unsigned Idx
This file defines the DenseMap class.
#define F(x, y, z)
Definition: MD5.cpp:55
#define I(x, y, z)
Definition: MD5.cpp:58
#define INITIALIZE_PASS(passName, arg, name, cfg, analysis)
Definition: PassSupport.h:38
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
This file defines the SmallString class.
static bool hasSinCosPiStret(const Triple &T)
static StringRef sanitizeFunctionName(StringRef funcName)
static void initialize(TargetLibraryInfoImpl &TLI, const Triple &T, ArrayRef< StringLiteral > StandardNames)
Initialize the set of available library functions based on the specified target triple.
static bool matchType(FuncArgTypeID ArgTy, const Type *Ty, unsigned IntBits, unsigned SizeTBits)
static bool hasBcmp(const Triple &TT)
static bool compareByScalarFnName(const VecDesc &LHS, const VecDesc &RHS)
static bool compareByVectorFnName(const VecDesc &LHS, const VecDesc &RHS)
static const FuncProtoTy Signatures[]
static bool isCallingConvCCompatible(CallingConv::ID CC, StringRef TT, FunctionType *FuncTy)
FuncArgTypeID
@ IntPlus
@ Floating
@ Struct
@ SSizeT
static cl::opt< TargetLibraryInfoImpl::VectorLibrary > ClVectorLibrary("vector-library", cl::Hidden, cl::desc("Vector functions library"), cl::init(TargetLibraryInfoImpl::NoLibrary), cl::values(clEnumValN(TargetLibraryInfoImpl::NoLibrary, "none", "No vector functions library"), clEnumValN(TargetLibraryInfoImpl::Accelerate, "Accelerate", "Accelerate framework"), clEnumValN(TargetLibraryInfoImpl::DarwinLibSystemM, "Darwin_libsystem_m", "Darwin libsystem_m"), clEnumValN(TargetLibraryInfoImpl::LIBMVEC_X86, "LIBMVEC-X86", "GLIBC Vector Math library"), clEnumValN(TargetLibraryInfoImpl::MASSV, "MASSV", "IBM MASS vector library"), clEnumValN(TargetLibraryInfoImpl::SVML, "SVML", "Intel SVML library"), clEnumValN(TargetLibraryInfoImpl::SLEEFGNUABI, "sleefgnuabi", "SIMD Library for Evaluating Elementary Functions"), clEnumValN(TargetLibraryInfoImpl::ArmPL, "ArmPL", "Arm Performance Libraries"), clEnumValN(TargetLibraryInfoImpl::AMDLIBM, "AMDLIBM", "AMD vector math library")))
std::array< FuncArgTypeID, 8 > FuncProtoTy
static bool compareWithScalarFnName(const VecDesc &LHS, StringRef S)
static DenseMap< StringRef, LibFunc > buildIndexMap(ArrayRef< StringLiteral > StandardNames)
Value * RHS
Value * LHS
A container for analyses that lazily runs them and caches their results.
Definition: PassManager.h:348
ArrayRef - Represent a constant reference to an array (0 or more elements consecutively in memory),...
Definition: ArrayRef.h:41
Base class for all callable instructions (InvokeInst and CallInst) Holds everything related to callin...
Definition: InstrTypes.h:1457
CallingConv::ID getCallingConv() const
Definition: InstrTypes.h:1754
FunctionType * getFunctionType() const
Definition: InstrTypes.h:1554
iterator find(const_arg_type_t< KeyT > Val)
Definition: DenseMap.h:155
iterator end()
Definition: DenseMap.h:84
void reserve(size_type NumEntries)
Grow the densemap so that it can contain at least NumEntries items before resizing again.
Definition: DenseMap.h:103
static constexpr ElementCount getScalable(ScalarTy MinVal)
Definition: TypeSize.h:299
static constexpr ElementCount getFixed(ScalarTy MinVal)
Definition: TypeSize.h:296
FunctionType * getFunctionType() const
Returns the FunctionType for me.
Definition: Function.h:200
bool isIntrinsic() const
isIntrinsic - Returns true if the function's name starts with "llvm.".
Definition: Function.h:235
static StringRef dropLLVMManglingEscape(StringRef Name)
If the given string begins with the GlobalValue name mangling escape character '\1',...
Definition: GlobalValue.h:566
Module * getParent()
Get the module that this global value is contained inside of...
Definition: GlobalValue.h:655
ImmutablePass class - This class is used to provide information that does not need to be run.
Definition: Pass.h:282
const Module * getModule() const
Return the module owning the function this instruction belongs to or nullptr it the function does not...
Definition: Instruction.cpp:81
A Module instance is used to store all the information related to an LLVM module.
Definition: Module.h:65
const std::string & getTargetTriple() const
Get the target triple which is a string describing the target host.
Definition: Module.h:279
static PassRegistry * getPassRegistry()
getPassRegistry - Access the global registry object, which is automatically initialized at applicatio...
SmallString - A SmallString is just a SmallVector with methods and accessors that make it work better...
Definition: SmallString.h:26
A wrapper around a string literal that serves as a proxy for constructing global tables of StringRefs...
Definition: StringRef.h:849
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:50
constexpr bool empty() const
empty - Check if the string is empty.
Definition: StringRef.h:134
bool contains(StringRef Other) const
Return true if the given string is a substring of *this, and false otherwise.
Definition: StringRef.h:420
TargetLibraryInfo run(const Function &F, FunctionAnalysisManager &)
Implementation of the target library information.
void setShouldExtI32Param(bool Val)
Set to true iff i32 parameters to library functions should have signext or zeroext attributes if they...
void setShouldExtI32Return(bool Val)
Set to true iff i32 results from library functions should have signext or zeroext attributes if they ...
unsigned getWCharSize(const Module &M) const
Returns the size of the wchar_t type in bytes or 0 if the size is unknown.
bool getLibFunc(StringRef funcName, LibFunc &F) const
Searches for a particular function name.
void getWidestVF(StringRef ScalarF, ElementCount &FixedVF, ElementCount &Scalable) const
Returns the largest vectorization factor used in the list of vector functions.
bool isFunctionVectorizable(StringRef F, const ElementCount &VF) const
Return true if the function F has a vector equivalent with vectorization factor VF.
void setShouldSignExtI32Param(bool Val)
Set to true iff i32 parameters to library functions should have signext attribute if they correspond ...
void setAvailableWithName(LibFunc F, StringRef Name)
Forces a function to be marked as available and provide an alternate name that must be used.
unsigned getIntSize() const
Get size of a C-level int or unsigned int, in bits.
void addVectorizableFunctionsFromVecLib(enum VectorLibrary VecLib, const llvm::Triple &TargetTriple)
Calls addVectorizableFunctions with a known preset of functions for the given vector library.
void setIntSize(unsigned Bits)
Initialize the C-level size of an integer.
unsigned getSizeTSize(const Module &M) const
Returns the size of the size_t type in bits.
void addVectorizableFunctions(ArrayRef< VecDesc > Fns)
Add a set of scalar -> vector mappings, queryable via getVectorizedFunction and getScalarizedFunction...
const VecDesc * getVectorMappingInfo(StringRef F, const ElementCount &VF, bool Masked) const
Return a pointer to a VecDesc object holding all info for scalar to vector mappings in TLI for the eq...
static bool isCallingConvCCompatible(CallBase *CI)
Returns true if call site / callee has cdecl-compatible calling conventions.
void setShouldSignExtI32Return(bool Val)
Set to true iff i32 results from library functions should have signext attribute if they correspond t...
TargetLibraryInfoImpl & operator=(const TargetLibraryInfoImpl &TLI)
void disableAllFunctions()
Disables all builtins.
VectorLibrary
List of known vector-functions libraries.
void setUnavailable(LibFunc F)
Forces a function to be marked as unavailable.
StringRef getVectorizedFunction(StringRef F, const ElementCount &VF, bool Masked) const
Return the name of the equivalent of F, vectorized with factor VF.
void setAvailable(LibFunc F)
Forces a function to be marked as available.
Provides information about what library functions are available for the current target.
static void initExtensionsForTriple(bool &ShouldExtI32Param, bool &ShouldExtI32Return, bool &ShouldSignExtI32Param, bool &ShouldSignExtI32Return, const Triple &T)
Triple - Helper class for working with autoconf configuration names.
Definition: Triple.h:44
@ Emscripten
Definition: Triple.h:225
@ aarch64_be
Definition: Triple.h:52
ArchType getArch() const
Get the parsed architecture type of this triple.
Definition: Triple.h:361
The instances of the Type class are immutable: once they are created, they are never changed.
Definition: Type.h:45
bool isArrayTy() const
True if this is an instance of ArrayType.
Definition: Type.h:252
bool isPointerTy() const
True if this is an instance of PointerType.
Definition: Type.h:255
Type * getArrayElementType() const
Definition: Type.h:404
bool isFloatTy() const
Return true if this is 'float', a 32-bit IEEE fp type.
Definition: Type.h:154
uint64_t getArrayNumElements() const
bool isStructTy() const
True if this is an instance of StructType.
Definition: Type.h:249
bool isDoubleTy() const
Return true if this is 'double', a 64-bit IEEE fp type.
Definition: Type.h:157
bool isFloatingPointTy() const
Return true if this is one of the floating-point types.
Definition: Type.h:185
bool isIntegerTy() const
True if this is an instance of IntegerType.
Definition: Type.h:228
TypeSize getPrimitiveSizeInBits() const LLVM_READONLY
Return the basic size of this type if it is a primitive type.
bool isVoidTy() const
Return true if this is 'void'.
Definition: Type.h:140
StringRef getName() const
Return a constant reference to the value's name.
Definition: Value.cpp:309
Provides info so a possible vectorization of a function can be computed.
std::string getVectorFunctionABIVariantString() const
Returns a vector function ABI variant string on the form: ZGV<isa><mask><vlen><vparams><scalarname>(<...
StringRef getVectorFnName() const
Represents a version number in the form major[.minor[.subminor[.build]]].
Definition: VersionTuple.h:29
static constexpr bool isKnownGT(const FixedOrScalableQuantity &LHS, const FixedOrScalableQuantity &RHS)
Definition: TypeSize.h:210
A raw_ostream that writes to an SmallVector or SmallString.
Definition: raw_ostream.h:690
StringRef str() const
Return a StringRef for the vector contents.
Definition: raw_ostream.h:715
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
@ ARM_APCS
ARM Procedure Calling Standard (obsolete, but still used on some targets).
Definition: CallingConv.h:107
@ ARM_AAPCS
ARM Architecture Procedure Calling Standard calling convention (aka EABI).
Definition: CallingConv.h:111
@ ARM_AAPCS_VFP
Same as ARM_AAPCS, but uses hard floating point ABI.
Definition: CallingConv.h:114
@ C
The default llvm calling convention, compatible with C.
Definition: CallingConv.h:34
ValuesClass values(OptsTy... Options)
Helper to build a ValuesClass by forwarding a variable number of arguments as an initializer list to ...
Definition: CommandLine.h:718
initializer< Ty > init(const Ty &Val)
Definition: CommandLine.h:450
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
AddressSpace
Definition: NVPTXBaseInfo.h:21
void append_range(Container &C, Range &&R)
Wrapper function to append range R to container C.
Definition: STLExtras.h:2053
void sort(IteratorTy Start, IteratorTy End)
Definition: STLExtras.h:1656
auto lower_bound(R &&Range, T &&Value)
Provide wrappers to std::lower_bound which take ranges instead of having to pass begin/end explicitly...
Definition: STLExtras.h:1950
OutputIt move(R &&Range, OutputIt Out)
Provide wrappers to std::move which take ranges instead of having to pass begin/end explicitly.
Definition: STLExtras.h:1858
void initializeTargetLibraryInfoWrapperPassPass(PassRegistry &)
Implement std::hash so that hash_code can be used in STL containers.
Definition: BitVector.h:858
A special type used by analysis passes to provide an address that identifies that particular analysis...
Definition: Analysis.h:26