LLVM 22.0.0git
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
13#include "llvm/Analysis/TargetLibraryInfo.h"
14#include "llvm/ADT/DenseMap.h"
15#include "llvm/ADT/SmallString.h"
16#include "llvm/IR/Constants.h"
17#include "llvm/IR/Module.h"
18#include "llvm/InitializePasses.h"
19#include "llvm/Support/CommandLine.h"
20#include "llvm/TargetParser/Triple.h"
21using namespace llvm;
22
23static cl::opt<TargetLibraryInfoImpl::VectorLibrary> ClVectorLibrary(
24 "vector-library", cl::Hidden, cl::desc("Vector functions library"),
25 cl::init(TargetLibraryInfoImpl::NoLibrary),
26 cl::values(clEnumValN(TargetLibraryInfoImpl::NoLibrary, "none",
27 "No vector functions library"),
28 clEnumValN(TargetLibraryInfoImpl::Accelerate, "Accelerate",
29 "Accelerate framework"),
30 clEnumValN(TargetLibraryInfoImpl::DarwinLibSystemM,
31 "Darwin_libsystem_m", "Darwin libsystem_m"),
32 clEnumValN(TargetLibraryInfoImpl::LIBMVEC, "LIBMVEC",
33 "GLIBC Vector Math library"),
34 clEnumValN(TargetLibraryInfoImpl::MASSV, "MASSV",
35 "IBM MASS vector library"),
36 clEnumValN(TargetLibraryInfoImpl::SVML, "SVML",
37 "Intel SVML library"),
38 clEnumValN(TargetLibraryInfoImpl::SLEEFGNUABI, "sleefgnuabi",
39 "SIMD Library for Evaluating Elementary Functions"),
40 clEnumValN(TargetLibraryInfoImpl::ArmPL, "ArmPL",
41 "Arm Performance Libraries"),
42 clEnumValN(TargetLibraryInfoImpl::AMDLIBM, "AMDLIBM",
43 "AMD vector math library")));
44
45StringLiteral const TargetLibraryInfoImpl::StandardNames[LibFunc::NumLibFuncs] =
46 {
47#define TLI_DEFINE_STRING
48#include "llvm/Analysis/TargetLibraryInfo.def"
49};
50
51std::string VecDesc::getVectorFunctionABIVariantString() const {
52 assert(!VectorFnName.empty() && "Vector function name must not be empty.");
53 SmallString<256> Buffer;
54 llvm::raw_svector_ostream Out(Buffer);
55 Out << VABIPrefix << "_" << ScalarFnName << "(" << VectorFnName << ")";
56 return std::string(Out.str());
57}
58
59// Recognized types of library function arguments and return types.
60enum FuncArgTypeID : char {
61 Void = 0, // Must be zero.
62 Bool, // 8 bits on all targets
63 Int16,
64 Int32,
65 Int,
66 IntPlus, // Int or bigger.
67 Long, // Either 32 or 64 bits.
68 IntX, // Any integer type.
69 Int64,
70 LLong, // 64 bits on all targets.
71 SizeT, // size_t.
72 SSizeT, // POSIX ssize_t.
73 Flt, // IEEE float.
74 Dbl, // IEEE double.
75 LDbl, // Any floating type (TODO: tighten this up).
76 Floating, // Any floating type.
77 Ptr, // Any pointer type.
78 Struct, // Any struct type.
79 Ellip, // The ellipsis (...).
80 Same, // Same argument type as the previous one.
81};
82
83typedef std::array<FuncArgTypeID, 8> FuncProtoTy;
84
85static const FuncProtoTy Signatures[] = {
86#define TLI_DEFINE_SIG
87#include "llvm/Analysis/TargetLibraryInfo.def"
88};
89
90static_assert(sizeof Signatures / sizeof *Signatures == LibFunc::NumLibFuncs,
91 "Missing library function signatures");
92
93static bool hasSinCosPiStret(const Triple &T) {
94 // Only Darwin variants have _stret versions of combined trig functions.
95 if (!T.isOSDarwin())
96 return false;
97
98 // The ABI is rather complicated on x86, so don't do anything special there.
99 if (T.getArch() == Triple::x86)
100 return false;
101
102 if (T.isMacOSX() && T.isMacOSXVersionLT(10, 9))
103 return false;
104
105 if (T.isiOS() && T.isOSVersionLT(7, 0))
106 return false;
107
108 return true;
109}
110
111static bool hasBcmp(const Triple &TT) {
112 // Posix removed support from bcmp() in 2001, but the glibc and several
113 // implementations of the libc still have it.
114 if (TT.isOSLinux())
115 return TT.isGNUEnvironment() || TT.isMusl();
116 // Both NetBSD and OpenBSD are planning to remove the function. Windows does
117 // not have it.
118 return TT.isOSFreeBSD() || TT.isOSSolaris();
119}
120
121static bool isCallingConvCCompatible(CallingConv::ID CC, const Triple &TT,
122 FunctionType *FuncTy) {
123 switch (CC) {
124 default:
125 return false;
126 case llvm::CallingConv::C:
127 return true;
128 case llvm::CallingConv::ARM_APCS:
129 case llvm::CallingConv::ARM_AAPCS:
130 case llvm::CallingConv::ARM_AAPCS_VFP: {
131
132 // The iOS ABI diverges from the standard in some cases, so for now don't
133 // try to simplify those calls.
134 if (TT.isiOS())
135 return false;
136
137 if (!FuncTy->getReturnType()->isPointerTy() &&
138 !FuncTy->getReturnType()->isIntegerTy() &&
139 !FuncTy->getReturnType()->isVoidTy())
140 return false;
141
142 for (auto *Param : FuncTy->params()) {
143 if (!Param->isPointerTy() && !Param->isIntegerTy())
144 return false;
145 }
146 return true;
147 }
148 }
149 return false;
150}
151
152bool TargetLibraryInfoImpl::isCallingConvCCompatible(CallBase *CI) {
153 return ::isCallingConvCCompatible(CI->getCallingConv(),
154 CI->getModule()->getTargetTriple(),
155 CI->getFunctionType());
156}
157
158bool TargetLibraryInfoImpl::isCallingConvCCompatible(Function *F) {
159 return ::isCallingConvCCompatible(F->getCallingConv(),
160 F->getParent()->getTargetTriple(),
161 F->getFunctionType());
162}
163
164static void initializeBase(TargetLibraryInfoImpl &TLI, const Triple &T) {
165 bool ShouldExtI32Param, ShouldExtI32Return;
166 bool ShouldSignExtI32Param, ShouldSignExtI32Return;
167 TargetLibraryInfo::initExtensionsForTriple(
168 ShouldExtI32Param, ShouldExtI32Return, ShouldSignExtI32Param,
169 ShouldSignExtI32Return, T);
170 TLI.setShouldExtI32Param(ShouldExtI32Param);
171 TLI.setShouldExtI32Return(ShouldExtI32Return);
172 TLI.setShouldSignExtI32Param(ShouldSignExtI32Param);
173 TLI.setShouldSignExtI32Return(ShouldSignExtI32Return);
174
175 // Let's assume by default that the size of int is 32 bits, unless the target
176 // is a 16-bit architecture because then it most likely is 16 bits. If that
177 // isn't true for a target those defaults should be overridden below.
178 TLI.setIntSize(T.isArch16Bit() ? 16 : 32);
179}
180
181/// Initialize the set of available library functions based on the specified
182/// target triple. This should be carefully written so that a missing target
183/// triple gets a sane set of defaults.
184static void initializeLibCalls(TargetLibraryInfoImpl &TLI, const Triple &T,
185 ArrayRef<StringLiteral> StandardNames) {
186 // Set IO unlocked variants as unavailable
187 // Set them as available per system below
188 TLI.setUnavailable(LibFunc_getc_unlocked);
189 TLI.setUnavailable(LibFunc_getchar_unlocked);
190 TLI.setUnavailable(LibFunc_putc_unlocked);
191 TLI.setUnavailable(LibFunc_putchar_unlocked);
192 TLI.setUnavailable(LibFunc_fputc_unlocked);
193 TLI.setUnavailable(LibFunc_fgetc_unlocked);
194 TLI.setUnavailable(LibFunc_fread_unlocked);
195 TLI.setUnavailable(LibFunc_fwrite_unlocked);
196 TLI.setUnavailable(LibFunc_fputs_unlocked);
197 TLI.setUnavailable(LibFunc_fgets_unlocked);
198
199 // There is really no runtime library on AMDGPU, apart from
200 // __kmpc_alloc/free_shared.
201 if (T.isAMDGPU()) {
202 TLI.disableAllFunctions();
203 TLI.setAvailable(llvm::LibFunc___kmpc_alloc_shared);
204 TLI.setAvailable(llvm::LibFunc___kmpc_free_shared);
205 return;
206 }
207
208 // DXIL does not support libcalls, and disabling them here prevents a number
209 // of passes from introducing libcalls into DXIL which would otherwise
210 // complicate lowering/legalization
211 if (T.isDXIL()) {
212 TLI.disableAllFunctions();
213 return;
214 }
215
216 // memset_pattern{4,8,16} is only available on iOS 3.0 and Mac OS X 10.5 and
217 // later. All versions of watchOS support it.
218 if (T.isMacOSX()) {
219 // available IO unlocked variants on Mac OS X
220 TLI.setAvailable(LibFunc_getc_unlocked);
221 TLI.setAvailable(LibFunc_getchar_unlocked);
222 TLI.setAvailable(LibFunc_putc_unlocked);
223 TLI.setAvailable(LibFunc_putchar_unlocked);
224 TLI.setUnavailable(LibFunc_memrchr);
225
226 if (T.isMacOSXVersionLT(10, 5)) {
227 TLI.setUnavailable(LibFunc_memset_pattern4);
228 TLI.setUnavailable(LibFunc_memset_pattern8);
229 TLI.setUnavailable(LibFunc_memset_pattern16);
230 }
231 } else if (T.isiOS()) {
232 if (T.isOSVersionLT(3, 0)) {
233 TLI.setUnavailable(LibFunc_memset_pattern4);
234 TLI.setUnavailable(LibFunc_memset_pattern8);
235 TLI.setUnavailable(LibFunc_memset_pattern16);
236 }
237 } else if (!T.isWatchOS()) {
238 TLI.setUnavailable(LibFunc_memset_pattern4);
239 TLI.setUnavailable(LibFunc_memset_pattern8);
240 TLI.setUnavailable(LibFunc_memset_pattern16);
241 }
242
243 if (!hasSinCosPiStret(T)) {
244 TLI.setUnavailable(LibFunc_sinpi);
245 TLI.setUnavailable(LibFunc_sinpif);
246 TLI.setUnavailable(LibFunc_cospi);
247 TLI.setUnavailable(LibFunc_cospif);
248 TLI.setUnavailable(LibFunc_sincospi_stret);
249 TLI.setUnavailable(LibFunc_sincospif_stret);
250 }
251
252 if (!hasBcmp(T))
253 TLI.setUnavailable(LibFunc_bcmp);
254
255 if (T.isMacOSX() && T.getArch() == Triple::x86 &&
256 !T.isMacOSXVersionLT(10, 7)) {
257 // x86-32 OSX has a scheme where fwrite and fputs (and some other functions
258 // we don't care about) have two versions; on recent OSX, the one we want
259 // has a $UNIX2003 suffix. The two implementations are identical except
260 // for the return value in some edge cases. However, we don't want to
261 // generate code that depends on the old symbols.
262 TLI.setAvailableWithName(LibFunc_fwrite, "fwrite$UNIX2003");
263 TLI.setAvailableWithName(LibFunc_fputs, "fputs$UNIX2003");
264 }
265
266 // iprintf and friends are only available on XCore, TCE, and Emscripten.
267 if (T.getArch() != Triple::xcore && T.getArch() != Triple::tce &&
268 T.getOS() != Triple::Emscripten) {
269 TLI.setUnavailable(LibFunc_iprintf);
270 TLI.setUnavailable(LibFunc_siprintf);
271 TLI.setUnavailable(LibFunc_fiprintf);
272 }
273
274 // __small_printf and friends are only available on Emscripten.
275 if (T.getOS() != Triple::Emscripten) {
276 TLI.setUnavailable(LibFunc_small_printf);
277 TLI.setUnavailable(LibFunc_small_sprintf);
278 TLI.setUnavailable(LibFunc_small_fprintf);
279 }
280
281 if (T.isOSWindows() && !T.isOSCygMing()) {
282 // XXX: The earliest documentation available at the moment is for VS2015/VC19:
283 // https://docs.microsoft.com/en-us/cpp/c-runtime-library/floating-point-support?view=vs-2015
284 // XXX: In order to use an MSVCRT older than VC19,
285 // the specific library version must be explicit in the target triple,
286 // e.g., x86_64-pc-windows-msvc18.
287 bool hasPartialC99 = true;
288 if (T.isKnownWindowsMSVCEnvironment()) {
289 VersionTuple Version = T.getEnvironmentVersion();
290 hasPartialC99 = (Version.getMajor() == 0 || Version.getMajor() >= 19);
291 }
292
293 // Latest targets support C89 math functions, in part.
294 bool isARM = (T.getArch() == Triple::aarch64 ||
295 T.getArch() == Triple::arm);
296 bool hasPartialFloat = (isARM ||
297 T.getArch() == Triple::x86_64);
298
299 // Win32 does not support float C89 math functions, in general.
300 if (!hasPartialFloat) {
301 TLI.setUnavailable(LibFunc_acosf);
302 TLI.setUnavailable(LibFunc_asinf);
303 TLI.setUnavailable(LibFunc_atan2f);
304 TLI.setUnavailable(LibFunc_atanf);
305 TLI.setUnavailable(LibFunc_ceilf);
306 TLI.setUnavailable(LibFunc_cosf);
307 TLI.setUnavailable(LibFunc_coshf);
308 TLI.setUnavailable(LibFunc_expf);
309 TLI.setUnavailable(LibFunc_floorf);
310 TLI.setUnavailable(LibFunc_fmodf);
311 TLI.setUnavailable(LibFunc_hypotf);
312 TLI.setUnavailable(LibFunc_log10f);
313 TLI.setUnavailable(LibFunc_logf);
314 TLI.setUnavailable(LibFunc_modff);
315 TLI.setUnavailable(LibFunc_powf);
316 TLI.setUnavailable(LibFunc_remainderf);
317 TLI.setUnavailable(LibFunc_remquof);
318 TLI.setUnavailable(LibFunc_fdimf);
319 TLI.setUnavailable(LibFunc_sinf);
320 TLI.setUnavailable(LibFunc_sinhf);
321 TLI.setUnavailable(LibFunc_sqrtf);
322 TLI.setUnavailable(LibFunc_tanf);
323 TLI.setUnavailable(LibFunc_tanhf);
324 }
325 if (!isARM)
326 TLI.setUnavailable(LibFunc_fabsf);
327 TLI.setUnavailable(LibFunc_frexpf);
328 TLI.setUnavailable(LibFunc_ldexpf);
329
330 // Win32 does not support long double C89 math functions.
331 TLI.setUnavailable(LibFunc_acosl);
332 TLI.setUnavailable(LibFunc_asinl);
333 TLI.setUnavailable(LibFunc_atan2l);
334 TLI.setUnavailable(LibFunc_atanl);
335 TLI.setUnavailable(LibFunc_ceill);
336 TLI.setUnavailable(LibFunc_cosl);
337 TLI.setUnavailable(LibFunc_coshl);
338 TLI.setUnavailable(LibFunc_expl);
339 TLI.setUnavailable(LibFunc_fabsl);
340 TLI.setUnavailable(LibFunc_floorl);
341 TLI.setUnavailable(LibFunc_fmodl);
342 TLI.setUnavailable(LibFunc_frexpl);
343 TLI.setUnavailable(LibFunc_hypotl);
344 TLI.setUnavailable(LibFunc_ldexpl);
345 TLI.setUnavailable(LibFunc_log10l);
346 TLI.setUnavailable(LibFunc_logl);
347 TLI.setUnavailable(LibFunc_modfl);
348 TLI.setUnavailable(LibFunc_powl);
349 TLI.setUnavailable(LibFunc_remainderl);
350 TLI.setUnavailable(LibFunc_remquol);
351 TLI.setUnavailable(LibFunc_fdiml);
352 TLI.setUnavailable(LibFunc_sinl);
353 TLI.setUnavailable(LibFunc_sinhl);
354 TLI.setUnavailable(LibFunc_sqrtl);
355 TLI.setUnavailable(LibFunc_tanl);
356 TLI.setUnavailable(LibFunc_tanhl);
357
358 // Win32 does not fully support C99 math functions.
359 if (!hasPartialC99) {
360 TLI.setUnavailable(LibFunc_acosh);
361 TLI.setUnavailable(LibFunc_acoshf);
362 TLI.setUnavailable(LibFunc_asinh);
363 TLI.setUnavailable(LibFunc_asinhf);
364 TLI.setUnavailable(LibFunc_atanh);
365 TLI.setUnavailable(LibFunc_atanhf);
366 TLI.setAvailableWithName(LibFunc_cabs, "_cabs");
367 TLI.setUnavailable(LibFunc_cabsf);
368 TLI.setUnavailable(LibFunc_cbrt);
369 TLI.setUnavailable(LibFunc_cbrtf);
370 TLI.setAvailableWithName(LibFunc_copysign, "_copysign");
371 TLI.setAvailableWithName(LibFunc_copysignf, "_copysignf");
372 TLI.setUnavailable(LibFunc_exp2);
373 TLI.setUnavailable(LibFunc_exp2f);
374 TLI.setUnavailable(LibFunc_expm1);
375 TLI.setUnavailable(LibFunc_expm1f);
376 TLI.setUnavailable(LibFunc_fmax);
377 TLI.setUnavailable(LibFunc_fmaxf);
378 TLI.setUnavailable(LibFunc_fmin);
379 TLI.setUnavailable(LibFunc_fminf);
380 TLI.setUnavailable(LibFunc_log1p);
381 TLI.setUnavailable(LibFunc_log1pf);
382 TLI.setUnavailable(LibFunc_log2);
383 TLI.setUnavailable(LibFunc_log2f);
384 TLI.setAvailableWithName(LibFunc_logb, "_logb");
385 TLI.setUnavailable(LibFunc_ilogb);
386 TLI.setUnavailable(LibFunc_ilogbf);
387 if (hasPartialFloat)
388 TLI.setAvailableWithName(LibFunc_logbf, "_logbf");
389 else
390 TLI.setUnavailable(LibFunc_logbf);
391 TLI.setUnavailable(LibFunc_rint);
392 TLI.setUnavailable(LibFunc_rintf);
393 TLI.setUnavailable(LibFunc_round);
394 TLI.setUnavailable(LibFunc_roundf);
395 TLI.setUnavailable(LibFunc_scalbln);
396 TLI.setUnavailable(LibFunc_scalblnf);
397 TLI.setUnavailable(LibFunc_scalblnl);
398 TLI.setUnavailable(LibFunc_scalbn);
399 TLI.setUnavailable(LibFunc_scalbnf);
400 TLI.setUnavailable(LibFunc_scalbnl);
401 TLI.setUnavailable(LibFunc_trunc);
402 TLI.setUnavailable(LibFunc_truncf);
403 }
404
405 // Win32 does not support long double C99 math functions.
406 TLI.setUnavailable(LibFunc_acoshl);
407 TLI.setUnavailable(LibFunc_asinhl);
408 TLI.setUnavailable(LibFunc_atanhl);
409 TLI.setUnavailable(LibFunc_cabsl);
410 TLI.setUnavailable(LibFunc_cbrtl);
411 TLI.setUnavailable(LibFunc_copysignl);
412 TLI.setUnavailable(LibFunc_exp2l);
413 TLI.setUnavailable(LibFunc_expm1l);
414 TLI.setUnavailable(LibFunc_fmaxl);
415 TLI.setUnavailable(LibFunc_fminl);
416 TLI.setUnavailable(LibFunc_log1pl);
417 TLI.setUnavailable(LibFunc_log2l);
418 TLI.setUnavailable(LibFunc_logbl);
419 TLI.setUnavailable(LibFunc_ilogbl);
420 TLI.setUnavailable(LibFunc_nearbyintl);
421 TLI.setUnavailable(LibFunc_rintl);
422 TLI.setUnavailable(LibFunc_roundl);
423 TLI.setUnavailable(LibFunc_scalblnl);
424 TLI.setUnavailable(LibFunc_scalbnl);
425 TLI.setUnavailable(LibFunc_truncl);
426
427 // Win32 does not support these functions, but
428 // they are generally available on POSIX-compliant systems.
429 TLI.setUnavailable(LibFunc_access);
430 TLI.setUnavailable(LibFunc_chmod);
431 TLI.setUnavailable(LibFunc_closedir);
432 TLI.setUnavailable(LibFunc_fdopen);
433 TLI.setUnavailable(LibFunc_fileno);
434 TLI.setUnavailable(LibFunc_fseeko);
435 TLI.setUnavailable(LibFunc_fstat);
436 TLI.setUnavailable(LibFunc_ftello);
437 TLI.setUnavailable(LibFunc_gettimeofday);
438 TLI.setUnavailable(LibFunc_memccpy);
439 TLI.setUnavailable(LibFunc_mkdir);
440 TLI.setUnavailable(LibFunc_open);
441 TLI.setUnavailable(LibFunc_opendir);
442 TLI.setUnavailable(LibFunc_pclose);
443 TLI.setUnavailable(LibFunc_popen);
444 TLI.setUnavailable(LibFunc_read);
445 TLI.setUnavailable(LibFunc_rmdir);
446 TLI.setUnavailable(LibFunc_stat);
447 TLI.setUnavailable(LibFunc_strcasecmp);
448 TLI.setUnavailable(LibFunc_strncasecmp);
449 TLI.setUnavailable(LibFunc_unlink);
450 TLI.setUnavailable(LibFunc_utime);
451 TLI.setUnavailable(LibFunc_write);
452 }
453
454 if (T.isOSWindows() && !T.isWindowsCygwinEnvironment()) {
455 // These functions aren't available in either MSVC or MinGW environments.
456 TLI.setUnavailable(LibFunc_bcmp);
457 TLI.setUnavailable(LibFunc_bcopy);
458 TLI.setUnavailable(LibFunc_bzero);
459 TLI.setUnavailable(LibFunc_chown);
460 TLI.setUnavailable(LibFunc_ctermid);
461 TLI.setUnavailable(LibFunc_ffs);
462 TLI.setUnavailable(LibFunc_flockfile);
463 TLI.setUnavailable(LibFunc_fstatvfs);
464 TLI.setUnavailable(LibFunc_ftrylockfile);
465 TLI.setUnavailable(LibFunc_funlockfile);
466 TLI.setUnavailable(LibFunc_getitimer);
467 TLI.setUnavailable(LibFunc_getlogin_r);
468 TLI.setUnavailable(LibFunc_getpwnam);
469 TLI.setUnavailable(LibFunc_htonl);
470 TLI.setUnavailable(LibFunc_htons);
471 TLI.setUnavailable(LibFunc_lchown);
472 TLI.setUnavailable(LibFunc_lstat);
473 TLI.setUnavailable(LibFunc_memrchr);
474 TLI.setUnavailable(LibFunc_ntohl);
475 TLI.setUnavailable(LibFunc_ntohs);
476 TLI.setUnavailable(LibFunc_pread);
477 TLI.setUnavailable(LibFunc_pwrite);
478 TLI.setUnavailable(LibFunc_readlink);
479 TLI.setUnavailable(LibFunc_realpath);
480 TLI.setUnavailable(LibFunc_setitimer);
481 TLI.setUnavailable(LibFunc_statvfs);
482 TLI.setUnavailable(LibFunc_stpcpy);
483 TLI.setUnavailable(LibFunc_stpncpy);
484 TLI.setUnavailable(LibFunc_times);
485 TLI.setUnavailable(LibFunc_uname);
486 TLI.setUnavailable(LibFunc_unsetenv);
487 TLI.setUnavailable(LibFunc_utimes);
488
489 // MinGW does have ldexpf, but it is a plain wrapper over regular ldexp.
490 // Therefore it's not beneficial to transform code to use it, i.e.
491 // just pretend that the function is not available.
492 TLI.setUnavailable(LibFunc_ldexpf);
493 }
494
495 // Pick just one set of new/delete variants.
496 if (T.isOSMSVCRT()) {
497 // MSVC, doesn't have the Itanium new/delete.
498 TLI.setUnavailable(LibFunc_ZdaPv);
499 TLI.setUnavailable(LibFunc_ZdaPvRKSt9nothrow_t);
500 TLI.setUnavailable(LibFunc_ZdaPvSt11align_val_t);
501 TLI.setUnavailable(LibFunc_ZdaPvSt11align_val_tRKSt9nothrow_t);
502 TLI.setUnavailable(LibFunc_ZdaPvj);
503 TLI.setUnavailable(LibFunc_ZdaPvjSt11align_val_t);
504 TLI.setUnavailable(LibFunc_ZdaPvm);
505 TLI.setUnavailable(LibFunc_ZdaPvmSt11align_val_t);
506 TLI.setUnavailable(LibFunc_ZdlPv);
507 TLI.setUnavailable(LibFunc_ZdlPvRKSt9nothrow_t);
508 TLI.setUnavailable(LibFunc_ZdlPvSt11align_val_t);
509 TLI.setUnavailable(LibFunc_ZdlPvSt11align_val_tRKSt9nothrow_t);
510 TLI.setUnavailable(LibFunc_ZdlPvj);
511 TLI.setUnavailable(LibFunc_ZdlPvjSt11align_val_t);
512 TLI.setUnavailable(LibFunc_ZdlPvm);
513 TLI.setUnavailable(LibFunc_ZdlPvmSt11align_val_t);
514 TLI.setUnavailable(LibFunc_Znaj);
515 TLI.setUnavailable(LibFunc_ZnajRKSt9nothrow_t);
516 TLI.setUnavailable(LibFunc_ZnajSt11align_val_t);
517 TLI.setUnavailable(LibFunc_ZnajSt11align_val_tRKSt9nothrow_t);
518 TLI.setUnavailable(LibFunc_Znam);
519 TLI.setUnavailable(LibFunc_ZnamRKSt9nothrow_t);
520 TLI.setUnavailable(LibFunc_ZnamRKSt9nothrow_t12__hot_cold_t);
521 TLI.setUnavailable(LibFunc_ZnamSt11align_val_t);
522 TLI.setUnavailable(LibFunc_ZnamSt11align_val_tRKSt9nothrow_t);
523 TLI.setUnavailable(LibFunc_Znwj);
524 TLI.setUnavailable(LibFunc_ZnwjRKSt9nothrow_t);
525 TLI.setUnavailable(LibFunc_ZnwjSt11align_val_t);
526 TLI.setUnavailable(LibFunc_ZnwjSt11align_val_tRKSt9nothrow_t);
527 TLI.setUnavailable(LibFunc_Znwm);
528 TLI.setUnavailable(LibFunc_ZnwmRKSt9nothrow_t);
529 TLI.setUnavailable(LibFunc_ZnwmRKSt9nothrow_t12__hot_cold_t);
530 TLI.setUnavailable(LibFunc_ZnwmSt11align_val_t);
531 TLI.setUnavailable(LibFunc_ZnwmSt11align_val_tRKSt9nothrow_t);
532 TLI.setUnavailable(LibFunc_Znwm12__hot_cold_t);
533 TLI.setUnavailable(LibFunc_ZnwmSt11align_val_t12__hot_cold_t);
534 TLI.setUnavailable(LibFunc_ZnwmSt11align_val_tRKSt9nothrow_t12__hot_cold_t);
535 TLI.setUnavailable(LibFunc_Znam12__hot_cold_t);
536 TLI.setUnavailable(LibFunc_ZnamSt11align_val_t12__hot_cold_t);
537 TLI.setUnavailable(LibFunc_ZnamSt11align_val_tRKSt9nothrow_t12__hot_cold_t);
538 TLI.setUnavailable(LibFunc_size_returning_new);
539 TLI.setUnavailable(LibFunc_size_returning_new_hot_cold);
540 TLI.setUnavailable(LibFunc_size_returning_new_aligned);
541 TLI.setUnavailable(LibFunc_size_returning_new_aligned_hot_cold);
542 } else {
543 // Not MSVC, assume it's Itanium.
544 TLI.setUnavailable(LibFunc_msvc_new_int);
545 TLI.setUnavailable(LibFunc_msvc_new_int_nothrow);
546 TLI.setUnavailable(LibFunc_msvc_new_longlong);
547 TLI.setUnavailable(LibFunc_msvc_new_longlong_nothrow);
548 TLI.setUnavailable(LibFunc_msvc_delete_ptr32);
549 TLI.setUnavailable(LibFunc_msvc_delete_ptr32_nothrow);
550 TLI.setUnavailable(LibFunc_msvc_delete_ptr32_int);
551 TLI.setUnavailable(LibFunc_msvc_delete_ptr64);
552 TLI.setUnavailable(LibFunc_msvc_delete_ptr64_nothrow);
553 TLI.setUnavailable(LibFunc_msvc_delete_ptr64_longlong);
554 TLI.setUnavailable(LibFunc_msvc_new_array_int);
555 TLI.setUnavailable(LibFunc_msvc_new_array_int_nothrow);
556 TLI.setUnavailable(LibFunc_msvc_new_array_longlong);
557 TLI.setUnavailable(LibFunc_msvc_new_array_longlong_nothrow);
558 TLI.setUnavailable(LibFunc_msvc_delete_array_ptr32);
559 TLI.setUnavailable(LibFunc_msvc_delete_array_ptr32_nothrow);
560 TLI.setUnavailable(LibFunc_msvc_delete_array_ptr32_int);
561 TLI.setUnavailable(LibFunc_msvc_delete_array_ptr64);
562 TLI.setUnavailable(LibFunc_msvc_delete_array_ptr64_nothrow);
563 TLI.setUnavailable(LibFunc_msvc_delete_array_ptr64_longlong);
564 }
565
566 switch (T.getOS()) {
567 case Triple::MacOSX:
568 // exp10 and exp10f are not available on OS X until 10.9 and iOS until 7.0
569 // and their names are __exp10 and __exp10f. exp10l is not available on
570 // OS X or iOS.
571 TLI.setUnavailable(LibFunc_exp10l);
572 if (T.isMacOSXVersionLT(10, 9)) {
573 TLI.setUnavailable(LibFunc_exp10);
574 TLI.setUnavailable(LibFunc_exp10f);
575 } else {
576 TLI.setAvailableWithName(LibFunc_exp10, "__exp10");
577 TLI.setAvailableWithName(LibFunc_exp10f, "__exp10f");
578 }
579 break;
580 case Triple::IOS:
581 case Triple::TvOS:
582 case Triple::WatchOS:
583 case Triple::XROS:
584 TLI.setUnavailable(LibFunc_exp10l);
585 if (!T.isWatchOS() &&
586 (T.isOSVersionLT(7, 0) || (T.isOSVersionLT(9, 0) && T.isX86()))) {
587 TLI.setUnavailable(LibFunc_exp10);
588 TLI.setUnavailable(LibFunc_exp10f);
589 } else {
590 TLI.setAvailableWithName(LibFunc_exp10, "__exp10");
591 TLI.setAvailableWithName(LibFunc_exp10f, "__exp10f");
592 }
593 break;
594 case Triple::Linux:
595 // exp10, exp10f, exp10l is available on Linux (GLIBC) but are extremely
596 // buggy prior to glibc version 2.18. Until this version is widely deployed
597 // or we have a reasonable detection strategy, we cannot use exp10 reliably
598 // on Linux.
599 //
600 // Fall through to disable all of them.
601 [[fallthrough]];
602 default:
603 TLI.setUnavailable(LibFunc_exp10);
604 TLI.setUnavailable(LibFunc_exp10f);
605 TLI.setUnavailable(LibFunc_exp10l);
606 }
607
608 // ffsl is available on at least Darwin, Mac OS X, iOS, FreeBSD, and
609 // Linux (GLIBC):
610 // http://developer.apple.com/library/mac/#documentation/Darwin/Reference/ManPages/man3/ffsl.3.html
611 // http://svn.freebsd.org/base/head/lib/libc/string/ffsl.c
612 // http://www.gnu.org/software/gnulib/manual/html_node/ffsl.html
613 switch (T.getOS()) {
614 case Triple::Darwin:
615 case Triple::MacOSX:
616 case Triple::IOS:
617 case Triple::TvOS:
618 case Triple::WatchOS:
619 case Triple::XROS:
620 case Triple::FreeBSD:
621 case Triple::Linux:
622 break;
623 default:
624 TLI.setUnavailable(LibFunc_ffsl);
625 }
626
627 // ffsll is available on at least FreeBSD and Linux (GLIBC):
628 // http://svn.freebsd.org/base/head/lib/libc/string/ffsll.c
629 // http://www.gnu.org/software/gnulib/manual/html_node/ffsll.html
630 switch (T.getOS()) {
631 case Triple::Darwin:
632 case Triple::MacOSX:
633 case Triple::IOS:
634 case Triple::TvOS:
635 case Triple::WatchOS:
636 case Triple::XROS:
637 case Triple::FreeBSD:
638 case Triple::Linux:
639 break;
640 default:
641 TLI.setUnavailable(LibFunc_ffsll);
642 }
643
644 // The following functions are available on at least FreeBSD:
645 // http://svn.freebsd.org/base/head/lib/libc/string/fls.c
646 // http://svn.freebsd.org/base/head/lib/libc/string/flsl.c
647 // http://svn.freebsd.org/base/head/lib/libc/string/flsll.c
648 if (!T.isOSFreeBSD()) {
649 TLI.setUnavailable(LibFunc_fls);
650 TLI.setUnavailable(LibFunc_flsl);
651 TLI.setUnavailable(LibFunc_flsll);
652 }
653
654 // The following functions are only available on GNU/Linux (using glibc).
655 // Linux variants without glibc (eg: bionic, musl) may have some subset.
656 if (!T.isOSLinux() || !T.isGNUEnvironment()) {
657 TLI.setUnavailable(LibFunc_dunder_strdup);
658 TLI.setUnavailable(LibFunc_dunder_strtok_r);
659 TLI.setUnavailable(LibFunc_dunder_isoc99_scanf);
660 TLI.setUnavailable(LibFunc_dunder_isoc99_sscanf);
661 TLI.setUnavailable(LibFunc_under_IO_getc);
662 TLI.setUnavailable(LibFunc_under_IO_putc);
663 // But, Android and musl have memalign.
664 if (!T.isAndroid() && !T.isMusl())
665 TLI.setUnavailable(LibFunc_memalign);
666 TLI.setUnavailable(LibFunc_fopen64);
667 TLI.setUnavailable(LibFunc_fseeko64);
668 TLI.setUnavailable(LibFunc_fstat64);
669 TLI.setUnavailable(LibFunc_fstatvfs64);
670 TLI.setUnavailable(LibFunc_ftello64);
671 TLI.setUnavailable(LibFunc_lstat64);
672 TLI.setUnavailable(LibFunc_open64);
673 TLI.setUnavailable(LibFunc_stat64);
674 TLI.setUnavailable(LibFunc_statvfs64);
675 TLI.setUnavailable(LibFunc_tmpfile64);
676
677 // Relaxed math functions are included in math-finite.h on Linux (GLIBC).
678 // Note that math-finite.h is no longer supported by top-of-tree GLIBC,
679 // so we keep these functions around just so that they're recognized by
680 // the ConstantFolder.
681 TLI.setUnavailable(LibFunc_acos_finite);
682 TLI.setUnavailable(LibFunc_acosf_finite);
683 TLI.setUnavailable(LibFunc_acosl_finite);
684 TLI.setUnavailable(LibFunc_acosh_finite);
685 TLI.setUnavailable(LibFunc_acoshf_finite);
686 TLI.setUnavailable(LibFunc_acoshl_finite);
687 TLI.setUnavailable(LibFunc_asin_finite);
688 TLI.setUnavailable(LibFunc_asinf_finite);
689 TLI.setUnavailable(LibFunc_asinl_finite);
690 TLI.setUnavailable(LibFunc_atan2_finite);
691 TLI.setUnavailable(LibFunc_atan2f_finite);
692 TLI.setUnavailable(LibFunc_atan2l_finite);
693 TLI.setUnavailable(LibFunc_atanh_finite);
694 TLI.setUnavailable(LibFunc_atanhf_finite);
695 TLI.setUnavailable(LibFunc_atanhl_finite);
696 TLI.setUnavailable(LibFunc_cosh_finite);
697 TLI.setUnavailable(LibFunc_coshf_finite);
698 TLI.setUnavailable(LibFunc_coshl_finite);
699 TLI.setUnavailable(LibFunc_exp10_finite);
700 TLI.setUnavailable(LibFunc_exp10f_finite);
701 TLI.setUnavailable(LibFunc_exp10l_finite);
702 TLI.setUnavailable(LibFunc_exp2_finite);
703 TLI.setUnavailable(LibFunc_exp2f_finite);
704 TLI.setUnavailable(LibFunc_exp2l_finite);
705 TLI.setUnavailable(LibFunc_exp_finite);
706 TLI.setUnavailable(LibFunc_expf_finite);
707 TLI.setUnavailable(LibFunc_expl_finite);
708 TLI.setUnavailable(LibFunc_log10_finite);
709 TLI.setUnavailable(LibFunc_log10f_finite);
710 TLI.setUnavailable(LibFunc_log10l_finite);
711 TLI.setUnavailable(LibFunc_log2_finite);
712 TLI.setUnavailable(LibFunc_log2f_finite);
713 TLI.setUnavailable(LibFunc_log2l_finite);
714 TLI.setUnavailable(LibFunc_log_finite);
715 TLI.setUnavailable(LibFunc_logf_finite);
716 TLI.setUnavailable(LibFunc_logl_finite);
717 TLI.setUnavailable(LibFunc_pow_finite);
718 TLI.setUnavailable(LibFunc_powf_finite);
719 TLI.setUnavailable(LibFunc_powl_finite);
720 TLI.setUnavailable(LibFunc_sinh_finite);
721 TLI.setUnavailable(LibFunc_sinhf_finite);
722 TLI.setUnavailable(LibFunc_sinhl_finite);
723 TLI.setUnavailable(LibFunc_sqrt_finite);
724 TLI.setUnavailable(LibFunc_sqrtf_finite);
725 TLI.setUnavailable(LibFunc_sqrtl_finite);
726 }
727
728 if ((T.isOSLinux() && T.isGNUEnvironment()) ||
729 (T.isAndroid() && !T.isAndroidVersionLT(28))) {
730 // available IO unlocked variants on GNU/Linux and Android P or later
731 TLI.setAvailable(LibFunc_getc_unlocked);
732 TLI.setAvailable(LibFunc_getchar_unlocked);
733 TLI.setAvailable(LibFunc_putc_unlocked);
734 TLI.setAvailable(LibFunc_putchar_unlocked);
735 TLI.setAvailable(LibFunc_fputc_unlocked);
736 TLI.setAvailable(LibFunc_fgetc_unlocked);
737 TLI.setAvailable(LibFunc_fread_unlocked);
738 TLI.setAvailable(LibFunc_fwrite_unlocked);
739 TLI.setAvailable(LibFunc_fputs_unlocked);
740 TLI.setAvailable(LibFunc_fgets_unlocked);
741 }
742
743 if (T.isAndroid() && T.isAndroidVersionLT(21)) {
744 TLI.setUnavailable(LibFunc_stpcpy);
745 TLI.setUnavailable(LibFunc_stpncpy);
746 }
747
748 if (T.isPS()) {
749 // PS4/PS5 do have memalign.
750 TLI.setAvailable(LibFunc_memalign);
751
752 // PS4/PS5 do not have new/delete with "unsigned int" size parameter;
753 // they only have the "unsigned long" versions.
754 TLI.setUnavailable(LibFunc_ZdaPvj);
755 TLI.setUnavailable(LibFunc_ZdaPvjSt11align_val_t);
756 TLI.setUnavailable(LibFunc_ZdlPvj);
757 TLI.setUnavailable(LibFunc_ZdlPvjSt11align_val_t);
758 TLI.setUnavailable(LibFunc_Znaj);
759 TLI.setUnavailable(LibFunc_ZnajRKSt9nothrow_t);
760 TLI.setUnavailable(LibFunc_ZnajSt11align_val_t);
761 TLI.setUnavailable(LibFunc_ZnajSt11align_val_tRKSt9nothrow_t);
762 TLI.setUnavailable(LibFunc_Znwj);
763 TLI.setUnavailable(LibFunc_ZnwjRKSt9nothrow_t);
764 TLI.setUnavailable(LibFunc_ZnwjSt11align_val_t);
765 TLI.setUnavailable(LibFunc_ZnwjSt11align_val_tRKSt9nothrow_t);
766
767 // None of the *_chk functions.
768 TLI.setUnavailable(LibFunc_memccpy_chk);
769 TLI.setUnavailable(LibFunc_memcpy_chk);
770 TLI.setUnavailable(LibFunc_memmove_chk);
771 TLI.setUnavailable(LibFunc_mempcpy_chk);
772 TLI.setUnavailable(LibFunc_memset_chk);
773 TLI.setUnavailable(LibFunc_snprintf_chk);
774 TLI.setUnavailable(LibFunc_sprintf_chk);
775 TLI.setUnavailable(LibFunc_stpcpy_chk);
776 TLI.setUnavailable(LibFunc_stpncpy_chk);
777 TLI.setUnavailable(LibFunc_strcat_chk);
778 TLI.setUnavailable(LibFunc_strcpy_chk);
779 TLI.setUnavailable(LibFunc_strlcat_chk);
780 TLI.setUnavailable(LibFunc_strlcpy_chk);
781 TLI.setUnavailable(LibFunc_strlen_chk);
782 TLI.setUnavailable(LibFunc_strncat_chk);
783 TLI.setUnavailable(LibFunc_strncpy_chk);
784 TLI.setUnavailable(LibFunc_vsnprintf_chk);
785 TLI.setUnavailable(LibFunc_vsprintf_chk);
786
787 // Various Posix system functions.
788 TLI.setUnavailable(LibFunc_access);
789 TLI.setUnavailable(LibFunc_chmod);
790 TLI.setUnavailable(LibFunc_chown);
791 TLI.setUnavailable(LibFunc_closedir);
792 TLI.setUnavailable(LibFunc_ctermid);
793 TLI.setUnavailable(LibFunc_execl);
794 TLI.setUnavailable(LibFunc_execle);
795 TLI.setUnavailable(LibFunc_execlp);
796 TLI.setUnavailable(LibFunc_execv);
797 TLI.setUnavailable(LibFunc_execvP);
798 TLI.setUnavailable(LibFunc_execve);
799 TLI.setUnavailable(LibFunc_execvp);
800 TLI.setUnavailable(LibFunc_execvpe);
801 TLI.setUnavailable(LibFunc_fork);
802 TLI.setUnavailable(LibFunc_fstat);
803 TLI.setUnavailable(LibFunc_fstatvfs);
804 TLI.setUnavailable(LibFunc_getenv);
805 TLI.setUnavailable(LibFunc_getitimer);
806 TLI.setUnavailable(LibFunc_getlogin_r);
807 TLI.setUnavailable(LibFunc_getpwnam);
808 TLI.setUnavailable(LibFunc_gettimeofday);
809 TLI.setUnavailable(LibFunc_lchown);
810 TLI.setUnavailable(LibFunc_lstat);
811 TLI.setUnavailable(LibFunc_mkdir);
812 TLI.setUnavailable(LibFunc_open);
813 TLI.setUnavailable(LibFunc_opendir);
814 TLI.setUnavailable(LibFunc_pclose);
815 TLI.setUnavailable(LibFunc_popen);
816 TLI.setUnavailable(LibFunc_pread);
817 TLI.setUnavailable(LibFunc_pvalloc);
818 TLI.setUnavailable(LibFunc_pwrite);
819 TLI.setUnavailable(LibFunc_read);
820 TLI.setUnavailable(LibFunc_readlink);
821 TLI.setUnavailable(LibFunc_realpath);
822 TLI.setUnavailable(LibFunc_rename);
823 TLI.setUnavailable(LibFunc_rmdir);
824 TLI.setUnavailable(LibFunc_setitimer);
825 TLI.setUnavailable(LibFunc_stat);
826 TLI.setUnavailable(LibFunc_statvfs);
827 TLI.setUnavailable(LibFunc_system);
828 TLI.setUnavailable(LibFunc_times);
829 TLI.setUnavailable(LibFunc_tmpfile);
830 TLI.setUnavailable(LibFunc_unlink);
831 TLI.setUnavailable(LibFunc_uname);
832 TLI.setUnavailable(LibFunc_unsetenv);
833 TLI.setUnavailable(LibFunc_utime);
834 TLI.setUnavailable(LibFunc_utimes);
835 TLI.setUnavailable(LibFunc_valloc);
836 TLI.setUnavailable(LibFunc_write);
837
838 // Miscellaneous other functions not provided.
839 TLI.setUnavailable(LibFunc_atomic_load);
840 TLI.setUnavailable(LibFunc_atomic_store);
841 TLI.setUnavailable(LibFunc___kmpc_alloc_shared);
842 TLI.setUnavailable(LibFunc___kmpc_free_shared);
843 TLI.setUnavailable(LibFunc_dunder_strndup);
844 TLI.setUnavailable(LibFunc_bcmp);
845 TLI.setUnavailable(LibFunc_bcopy);
846 TLI.setUnavailable(LibFunc_bzero);
847 TLI.setUnavailable(LibFunc_cabs);
848 TLI.setUnavailable(LibFunc_cabsf);
849 TLI.setUnavailable(LibFunc_cabsl);
850 TLI.setUnavailable(LibFunc_ffs);
851 TLI.setUnavailable(LibFunc_flockfile);
852 TLI.setUnavailable(LibFunc_fseeko);
853 TLI.setUnavailable(LibFunc_ftello);
854 TLI.setUnavailable(LibFunc_ftrylockfile);
855 TLI.setUnavailable(LibFunc_funlockfile);
856 TLI.setUnavailable(LibFunc_htonl);
857 TLI.setUnavailable(LibFunc_htons);
858 TLI.setUnavailable(LibFunc_isascii);
859 TLI.setUnavailable(LibFunc_memccpy);
860 TLI.setUnavailable(LibFunc_mempcpy);
861 TLI.setUnavailable(LibFunc_memrchr);
862 TLI.setUnavailable(LibFunc_ntohl);
863 TLI.setUnavailable(LibFunc_ntohs);
864 TLI.setUnavailable(LibFunc_reallocarray);
865 TLI.setUnavailable(LibFunc_reallocf);
866 TLI.setUnavailable(LibFunc_roundeven);
867 TLI.setUnavailable(LibFunc_roundevenf);
868 TLI.setUnavailable(LibFunc_roundevenl);
869 TLI.setUnavailable(LibFunc_stpcpy);
870 TLI.setUnavailable(LibFunc_stpncpy);
871 TLI.setUnavailable(LibFunc_strlcat);
872 TLI.setUnavailable(LibFunc_strlcpy);
873 TLI.setUnavailable(LibFunc_strndup);
874 TLI.setUnavailable(LibFunc_strnlen);
875 TLI.setUnavailable(LibFunc_toascii);
876 }
877
878 if (T.isOSFreeBSD()) {
879 TLI.setAvailable(LibFunc_dunder_strtok_r);
880 TLI.setAvailable(LibFunc_memalign);
881 TLI.setAvailable(LibFunc_fputc_unlocked);
882 TLI.setAvailable(LibFunc_fputs_unlocked);
883 TLI.setAvailable(LibFunc_fread_unlocked);
884 TLI.setAvailable(LibFunc_fwrite_unlocked);
885 TLI.setAvailable(LibFunc_getc_unlocked);
886 TLI.setAvailable(LibFunc_getchar_unlocked);
887 TLI.setAvailable(LibFunc_putc_unlocked);
888 TLI.setAvailable(LibFunc_putchar_unlocked);
889
890 TLI.setUnavailable(LibFunc___kmpc_alloc_shared);
891 TLI.setUnavailable(LibFunc___kmpc_free_shared);
892 TLI.setUnavailable(LibFunc_dunder_strndup);
893 TLI.setUnavailable(LibFunc_memccpy_chk);
894 TLI.setUnavailable(LibFunc_strlen_chk);
895 TLI.setUnavailable(LibFunc_fmaximum_num);
896 TLI.setUnavailable(LibFunc_fmaximum_numf);
897 TLI.setUnavailable(LibFunc_fmaximum_numl);
898 TLI.setUnavailable(LibFunc_fminimum_num);
899 TLI.setUnavailable(LibFunc_fminimum_numf);
900 TLI.setUnavailable(LibFunc_fminimum_numl);
901 TLI.setUnavailable(LibFunc_roundeven);
902 TLI.setUnavailable(LibFunc_roundevenf);
903 TLI.setUnavailable(LibFunc_roundevenl);
904 }
905
906 // As currently implemented in clang, NVPTX code has no standard library to
907 // speak of. Headers provide a standard-ish library implementation, but many
908 // of the signatures are wrong -- for example, many libm functions are not
909 // extern "C".
910 //
911 // libdevice, an IR library provided by nvidia, is linked in by the front-end,
912 // but only used functions are provided to llvm. Moreover, most of the
913 // functions in libdevice don't map precisely to standard library functions.
914 //
915 // FIXME: Having no standard library prevents e.g. many fastmath
916 // optimizations, so this situation should be fixed.
917 if (T.isNVPTX()) {
918 TLI.disableAllFunctions();
919 TLI.setAvailable(LibFunc_nvvm_reflect);
920 TLI.setAvailable(llvm::LibFunc_malloc);
921 TLI.setAvailable(llvm::LibFunc_free);
922
923 // TODO: We could enable the following two according to [0] but we haven't
924 // done an evaluation wrt. the performance implications.
925 // [0]
926 // https://docs.nvidia.com/cuda/cuda-c-programming-guide/index.html#dynamic-global-memory-allocation-and-operations
927 //
928 // TLI.setAvailable(llvm::LibFunc_memcpy);
929 // TLI.setAvailable(llvm::LibFunc_memset);
930
931 TLI.setAvailable(llvm::LibFunc___kmpc_alloc_shared);
932 TLI.setAvailable(llvm::LibFunc___kmpc_free_shared);
933 } else {
934 TLI.setUnavailable(LibFunc_nvvm_reflect);
935 }
936
937 // These vec_malloc/free routines are only available on AIX.
938 if (!T.isOSAIX()) {
939 TLI.setUnavailable(LibFunc_vec_calloc);
940 TLI.setUnavailable(LibFunc_vec_malloc);
941 TLI.setUnavailable(LibFunc_vec_realloc);
942 TLI.setUnavailable(LibFunc_vec_free);
943 }
944
945 if (T.isOSAIX())
946 TLI.setUnavailable(LibFunc_memrchr);
947
948 TLI.addVectorizableFunctionsFromVecLib(ClVectorLibrary, T);
949}
950
951/// Initialize the set of available library functions based on the specified
952/// target triple. This should be carefully written so that a missing target
953/// triple gets a sane set of defaults.
954static void initialize(TargetLibraryInfoImpl &TLI, const Triple &T,
955 ArrayRef<StringLiteral> StandardNames) {
956 initializeBase(TLI, T);
957 initializeLibCalls(TLI, T, StandardNames);
958}
959
960TargetLibraryInfoImpl::TargetLibraryInfoImpl(const Triple &T) {
961 // Default to everything being available.
962 memset(AvailableArray, -1, sizeof(AvailableArray));
963
964 initialize(*this, T, StandardNames);
965}
966
967TargetLibraryInfoImpl::TargetLibraryInfoImpl(const TargetLibraryInfoImpl &TLI)
968 : CustomNames(TLI.CustomNames), ShouldExtI32Param(TLI.ShouldExtI32Param),
969 ShouldExtI32Return(TLI.ShouldExtI32Return),
970 ShouldSignExtI32Param(TLI.ShouldSignExtI32Param),
971 ShouldSignExtI32Return(TLI.ShouldSignExtI32Return),
972 SizeOfInt(TLI.SizeOfInt) {
973 memcpy(AvailableArray, TLI.AvailableArray, sizeof(AvailableArray));
974 VectorDescs = TLI.VectorDescs;
975 ScalarDescs = TLI.ScalarDescs;
976}
977
978TargetLibraryInfoImpl::TargetLibraryInfoImpl(TargetLibraryInfoImpl &&TLI)
979 : CustomNames(std::move(TLI.CustomNames)),
980 ShouldExtI32Param(TLI.ShouldExtI32Param),
981 ShouldExtI32Return(TLI.ShouldExtI32Return),
982 ShouldSignExtI32Param(TLI.ShouldSignExtI32Param),
983 ShouldSignExtI32Return(TLI.ShouldSignExtI32Return),
984 SizeOfInt(TLI.SizeOfInt) {
985 std::move(std::begin(TLI.AvailableArray), std::end(TLI.AvailableArray),
986 AvailableArray);
987 VectorDescs = TLI.VectorDescs;
988 ScalarDescs = TLI.ScalarDescs;
989}
990
991TargetLibraryInfoImpl &TargetLibraryInfoImpl::operator=(const TargetLibraryInfoImpl &TLI) {
992 CustomNames = TLI.CustomNames;
993 ShouldExtI32Param = TLI.ShouldExtI32Param;
994 ShouldExtI32Return = TLI.ShouldExtI32Return;
995 ShouldSignExtI32Param = TLI.ShouldSignExtI32Param;
996 ShouldSignExtI32Return = TLI.ShouldSignExtI32Return;
997 SizeOfInt = TLI.SizeOfInt;
998 memcpy(AvailableArray, TLI.AvailableArray, sizeof(AvailableArray));
999 return *this;
1000}
1001
1002TargetLibraryInfoImpl &TargetLibraryInfoImpl::operator=(TargetLibraryInfoImpl &&TLI) {
1003 CustomNames = std::move(TLI.CustomNames);
1004 ShouldExtI32Param = TLI.ShouldExtI32Param;
1005 ShouldExtI32Return = TLI.ShouldExtI32Return;
1006 ShouldSignExtI32Param = TLI.ShouldSignExtI32Param;
1007 ShouldSignExtI32Return = TLI.ShouldSignExtI32Return;
1008 SizeOfInt = TLI.SizeOfInt;
1009 std::move(std::begin(TLI.AvailableArray), std::end(TLI.AvailableArray),
1010 AvailableArray);
1011 return *this;
1012}
1013
1014static StringRef sanitizeFunctionName(StringRef funcName) {
1015 // Filter out empty names and names containing null bytes, those can't be in
1016 // our table.
1017 if (funcName.empty() || funcName.contains('\0'))
1018 return StringRef();
1019
1020 // Check for \01 prefix that is used to mangle __asm declarations and
1021 // strip it if present.
1022 return GlobalValue::dropLLVMManglingEscape(funcName);
1023}
1024
1025static DenseMap<StringRef, LibFunc>
1026buildIndexMap(ArrayRef<StringLiteral> StandardNames) {
1027 DenseMap<StringRef, LibFunc> Indices;
1028 unsigned Idx = 0;
1029 Indices.reserve(LibFunc::NumLibFuncs);
1030 for (const auto &Func : StandardNames)
1031 Indices[Func] = static_cast<LibFunc>(Idx++);
1032 return Indices;
1033}
1034
1035bool TargetLibraryInfoImpl::getLibFunc(StringRef funcName, LibFunc &F) const {
1036 funcName = sanitizeFunctionName(funcName);
1037 if (funcName.empty())
1038 return false;
1039
1040 static const DenseMap<StringRef, LibFunc> Indices =
1041 buildIndexMap(StandardNames);
1042
1043 if (auto Loc = Indices.find(funcName); Loc != Indices.end()) {
1044 F = Loc->second;
1045 return true;
1046 }
1047 return false;
1048}
1049
1050// Return true if ArgTy matches Ty.
1051
1052static bool matchType(FuncArgTypeID ArgTy, const Type *Ty, unsigned IntBits,
1053 unsigned SizeTBits) {
1054 switch (ArgTy) {
1055 case Void:
1056 return Ty->isVoidTy();
1057 case Bool:
1058 return Ty->isIntegerTy(8);
1059 case Int16:
1060 return Ty->isIntegerTy(16);
1061 case Int32:
1062 return Ty->isIntegerTy(32);
1063 case Int:
1064 return Ty->isIntegerTy(IntBits);
1065 case IntPlus:
1066 return Ty->isIntegerTy() && Ty->getPrimitiveSizeInBits() >= IntBits;
1067 case IntX:
1068 return Ty->isIntegerTy();
1069 case Long:
1070 // TODO: Figure out and use long size.
1071 return Ty->isIntegerTy() && Ty->getPrimitiveSizeInBits() >= IntBits;
1072 case Int64:
1073 return Ty->isIntegerTy(64);
1074 case LLong:
1075 return Ty->isIntegerTy(64);
1076 case SizeT:
1077 case SSizeT:
1078 return Ty->isIntegerTy(SizeTBits);
1079 case Flt:
1080 return Ty->isFloatTy();
1081 case Dbl:
1082 return Ty->isDoubleTy();
1083 // TODO: Tighten this up.
1084 case LDbl:
1085 return Ty->isFloatingPointTy();
1086 case Floating:
1087 return Ty->isFloatingPointTy();
1088 case Ptr:
1089 return Ty->isPointerTy();
1090 case Struct:
1091 return Ty->isStructTy();
1092 default:
1093 break;
1094 }
1095
1096 llvm_unreachable("Invalid type");
1097}
1098
1099static bool isValidProtoForSizeReturningNew(const FunctionType &FTy, LibFunc F,
1100 const Module &M,
1101 int SizeTSizeBits) {
1102 switch (F) {
1103 case LibFunc_size_returning_new: {
1104 if (FTy.getNumParams() != 1 ||
1105 !FTy.getParamType(0)->isIntegerTy(SizeTSizeBits)) {
1106 return false;
1107 }
1108 } break;
1109 case LibFunc_size_returning_new_hot_cold: {
1110 if (FTy.getNumParams() != 2 ||
1111 !FTy.getParamType(0)->isIntegerTy(SizeTSizeBits) ||
1112 !FTy.getParamType(1)->isIntegerTy(8)) {
1113 return false;
1114 }
1115 } break;
1116 case LibFunc_size_returning_new_aligned: {
1117 if (FTy.getNumParams() != 2 ||
1118 !FTy.getParamType(0)->isIntegerTy(SizeTSizeBits) ||
1119 !FTy.getParamType(1)->isIntegerTy(SizeTSizeBits)) {
1120 return false;
1121 }
1122 } break;
1123 case LibFunc_size_returning_new_aligned_hot_cold:
1124 if (FTy.getNumParams() != 3 ||
1125 !FTy.getParamType(0)->isIntegerTy(SizeTSizeBits) ||
1126 !FTy.getParamType(1)->isIntegerTy(SizeTSizeBits) ||
1127 !FTy.getParamType(2)->isIntegerTy(8)) {
1128 return false;
1129 }
1130 break;
1131 default:
1132 return false;
1133 }
1134
1135 auto &Context = M.getContext();
1136 PointerType *PtrTy = PointerType::get(Context, 0);
1137 StructType *SizedPtrTy = StructType::get(
1138 Context, {PtrTy, Type::getIntNTy(Context, SizeTSizeBits)});
1139 return FTy.getReturnType() == SizedPtrTy;
1140}
1141
1142bool TargetLibraryInfoImpl::isValidProtoForLibFunc(const FunctionType &FTy,
1143 LibFunc F,
1144 const Module &M) const {
1145 unsigned NumParams = FTy.getNumParams();
1146
1147 switch (F) {
1148 // Special handling for <complex.h> functions:
1149 case LibFunc_cabs:
1150 case LibFunc_cabsf:
1151 case LibFunc_cabsl: {
1152 Type *RetTy = FTy.getReturnType();
1153 if (!RetTy->isFloatingPointTy() || NumParams == 0)
1154 return false;
1155
1156 Type *ParamTy = FTy.getParamType(0);
1157 // NOTE: These prototypes are target specific and currently support
1158 // "complex" passed as an array or discrete real & imaginary parameters.
1159 // Add other calling conventions to enable libcall optimizations.
1160 if (NumParams == 1)
1161 return (ParamTy->isArrayTy() && ParamTy->getArrayNumElements() == 2 &&
1162 ParamTy->getArrayElementType() == RetTy);
1163 else if (NumParams == 2)
1164 return ParamTy == RetTy && FTy.getParamType(1) == RetTy;
1165
1166 return false;
1167 }
1168 // Special handling for the sincospi functions that return either
1169 // a struct or vector:
1170 case LibFunc_sincospi_stret:
1171 case LibFunc_sincospif_stret: {
1172 if (NumParams != 1)
1173 return false;
1174
1175 Type *RetTy = FTy.getReturnType();
1176 Type *ParamTy = FTy.getParamType(0);
1177 if (auto *Ty = dyn_cast<StructType>(RetTy)) {
1178 if (Ty->getNumElements() != 2)
1179 return false;
1180 return (Ty->getElementType(0) == ParamTy &&
1181 Ty->getElementType(1) == ParamTy);
1182 }
1183
1184 if (auto *Ty = dyn_cast<FixedVectorType>(RetTy)) {
1185 if (Ty->getNumElements() != 2)
1186 return false;
1187 return Ty->getElementType() == ParamTy;
1188 }
1189
1190 return false;
1191 }
1192 // Special handling of __size_returning_new functions that return a struct
1193 // of type {void*, size_t}.
1194 case LibFunc_size_returning_new:
1195 case LibFunc_size_returning_new_hot_cold:
1196 case LibFunc_size_returning_new_aligned:
1197 case LibFunc_size_returning_new_aligned_hot_cold:
1198 return isValidProtoForSizeReturningNew(FTy, F, M, getSizeTSize(M));
1199 default:
1200 break;
1201 }
1202
1203 unsigned IntBits = getIntSize();
1204 unsigned SizeTBits = getSizeTSize(M);
1205 unsigned Idx = 0;
1206
1207 // Iterate over the type ids in the function prototype, matching each
1208 // against the function's type FTy, starting with its return type.
1209 // Return true if both match in number and kind, inclduing the ellipsis.
1210 Type *Ty = FTy.getReturnType(), *LastTy = Ty;
1211 const auto &ProtoTypes = Signatures[F];
1212 for (auto TyID : ProtoTypes) {
1213 if (Idx && TyID == Void)
1214 // Except in the first position where it designates the function's
1215 // return type Void ends the argument list.
1216 break;
1217
1218 if (TyID == Ellip) {
1219 // The ellipsis ends the protoype list but is not a part of FTy's
1220 // argument list. Except when it's last it must be followed by
1221 // Void.
1222 assert(Idx == ProtoTypes.size() - 1 || ProtoTypes[Idx + 1] == Void);
1223 return FTy.isFunctionVarArg();
1224 }
1225
1226 if (TyID == Same) {
1227 assert(Idx != 0 && "Type ID 'Same' must not be first!");
1228 if (Ty != LastTy)
1229 return false;
1230 } else {
1231 if (!Ty || !matchType(TyID, Ty, IntBits, SizeTBits))
1232 return false;
1233 LastTy = Ty;
1234 }
1235
1236 if (Idx == NumParams) {
1237 // There's at least one and at most two more type ids than there are
1238 // arguments in FTy's argument list.
1239 Ty = nullptr;
1240 ++Idx;
1241 continue;
1242 }
1243
1244 Ty = FTy.getParamType(Idx++);
1245 }
1246
1247 // Return success only if all entries on both lists have been processed
1248 // and the function is not a variadic one.
1249 return Idx == NumParams + 1 && !FTy.isFunctionVarArg();
1250}
1251
1252bool TargetLibraryInfoImpl::getLibFunc(const Function &FDecl,
1253 LibFunc &F) const {
1254 // Intrinsics don't overlap w/libcalls; if our module has a large number of
1255 // intrinsics, this ends up being an interesting compile time win since we
1256 // avoid string normalization and comparison.
1257 if (FDecl.isIntrinsic()) return false;
1258
1259 const Module *M = FDecl.getParent();
1260 assert(M && "Expecting FDecl to be connected to a Module.");
1261
1262 if (FDecl.LibFuncCache == Function::UnknownLibFunc)
1263 if (!getLibFunc(FDecl.getName(), FDecl.LibFuncCache))
1264 FDecl.LibFuncCache = NotLibFunc;
1265
1266 if (FDecl.LibFuncCache == NotLibFunc)
1267 return false;
1268
1269 F = FDecl.LibFuncCache;
1270 return isValidProtoForLibFunc(*FDecl.getFunctionType(), F, *M);
1271}
1272
1273bool TargetLibraryInfoImpl::getLibFunc(unsigned int Opcode, Type *Ty,
1274 LibFunc &F) const {
1275 // Must be a frem instruction with float or double arguments.
1276 if (Opcode != Instruction::FRem || (!Ty->isDoubleTy() && !Ty->isFloatTy()))
1277 return false;
1278
1279 F = Ty->isDoubleTy() ? LibFunc_fmod : LibFunc_fmodf;
1280 return true;
1281}
1282
1283void TargetLibraryInfoImpl::disableAllFunctions() {
1284 memset(AvailableArray, 0, sizeof(AvailableArray));
1285}
1286
1287static bool compareByScalarFnName(const VecDesc &LHS, const VecDesc &RHS) {
1288 return LHS.getScalarFnName() < RHS.getScalarFnName();
1289}
1290
1291static bool compareByVectorFnName(const VecDesc &LHS, const VecDesc &RHS) {
1292 return LHS.getVectorFnName() < RHS.getVectorFnName();
1293}
1294
1295static bool compareWithScalarFnName(const VecDesc &LHS, StringRef S) {
1296 return LHS.getScalarFnName() < S;
1297}
1298
1299void TargetLibraryInfoImpl::addVectorizableFunctions(ArrayRef<VecDesc> Fns) {
1300 llvm::append_range(VectorDescs, Fns);
1301 llvm::sort(VectorDescs, compareByScalarFnName);
1302
1303 llvm::append_range(ScalarDescs, Fns);
1304 llvm::sort(ScalarDescs, compareByVectorFnName);
1305}
1306
1307static const VecDesc VecFuncs_Accelerate[] = {
1308#define TLI_DEFINE_ACCELERATE_VECFUNCS
1309#include "llvm/Analysis/VecFuncs.def"
1310#undef TLI_DEFINE_ACCELERATE_VECFUNCS
1311};
1312
1313static const VecDesc VecFuncs_DarwinLibSystemM[] = {
1314#define TLI_DEFINE_DARWIN_LIBSYSTEM_M_VECFUNCS
1315#include "llvm/Analysis/VecFuncs.def"
1316#undef TLI_DEFINE_DARWIN_LIBSYSTEM_M_VECFUNCS
1317};
1318
1319static const VecDesc VecFuncs_LIBMVEC_X86[] = {
1320#define TLI_DEFINE_LIBMVEC_X86_VECFUNCS
1321#include "llvm/Analysis/VecFuncs.def"
1322#undef TLI_DEFINE_LIBMVEC_X86_VECFUNCS
1323};
1324
1325static const VecDesc VecFuncs_LIBMVEC_AARCH64[] = {
1326#define TLI_DEFINE_LIBMVEC_AARCH64_VECFUNCS
1327#define TLI_DEFINE_VECFUNC(SCAL, VEC, VF, MASK, VABI_PREFIX, CC) \
1328 {SCAL, VEC, VF, MASK, VABI_PREFIX, CC},
1329#include "llvm/Analysis/VecFuncs.def"
1330#undef TLI_DEFINE_LIBMVEC_AARCH64_VECFUNCS
1331};
1332
1333static const VecDesc VecFuncs_MASSV[] = {
1334#define TLI_DEFINE_MASSV_VECFUNCS
1335#include "llvm/Analysis/VecFuncs.def"
1336#undef TLI_DEFINE_MASSV_VECFUNCS
1337};
1338
1339static const VecDesc VecFuncs_SVML[] = {
1340#define TLI_DEFINE_SVML_VECFUNCS
1341#include "llvm/Analysis/VecFuncs.def"
1342#undef TLI_DEFINE_SVML_VECFUNCS
1343};
1344
1345static const VecDesc VecFuncs_SLEEFGNUABI_VF2[] = {
1346#define TLI_DEFINE_SLEEFGNUABI_VF2_VECFUNCS
1347#define TLI_DEFINE_VECFUNC(SCAL, VEC, VF, VABI_PREFIX) \
1348 {SCAL, VEC, VF, /* MASK = */ false, VABI_PREFIX, /* CC = */ std::nullopt},
1349#include "llvm/Analysis/VecFuncs.def"
1350#undef TLI_DEFINE_SLEEFGNUABI_VF2_VECFUNCS
1351};
1352static const VecDesc VecFuncs_SLEEFGNUABI_VF4[] = {
1353#define TLI_DEFINE_SLEEFGNUABI_VF4_VECFUNCS
1354#define TLI_DEFINE_VECFUNC(SCAL, VEC, VF, VABI_PREFIX) \
1355 {SCAL, VEC, VF, /* MASK = */ false, VABI_PREFIX, /* CC = */ std::nullopt},
1356#include "llvm/Analysis/VecFuncs.def"
1357#undef TLI_DEFINE_SLEEFGNUABI_VF4_VECFUNCS
1358};
1359static const VecDesc VecFuncs_SLEEFGNUABI_VFScalable[] = {
1360#define TLI_DEFINE_SLEEFGNUABI_SCALABLE_VECFUNCS
1361#define TLI_DEFINE_VECFUNC(SCAL, VEC, VF, MASK, VABI_PREFIX) \
1362 {SCAL, VEC, VF, MASK, VABI_PREFIX, /* CC = */ std::nullopt},
1363#include "llvm/Analysis/VecFuncs.def"
1364#undef TLI_DEFINE_SLEEFGNUABI_SCALABLE_VECFUNCS
1365};
1366
1367static const VecDesc VecFuncs_SLEEFGNUABI_VFScalableRISCV[] = {
1368#define TLI_DEFINE_SLEEFGNUABI_SCALABLE_VECFUNCS_RISCV
1369#define TLI_DEFINE_VECFUNC(SCAL, VEC, VF, MASK, VABI_PREFIX) \
1370 {SCAL, VEC, VF, MASK, VABI_PREFIX, /* CC = */ std::nullopt},
1371#include "llvm/Analysis/VecFuncs.def"
1372#undef TLI_DEFINE_SLEEFGNUABI_SCALABLE_VECFUNCS_RISCV
1373};
1374
1375static const VecDesc VecFuncs_ArmPL[] = {
1376#define TLI_DEFINE_ARMPL_VECFUNCS
1377#define TLI_DEFINE_VECFUNC(SCAL, VEC, VF, MASK, VABI_PREFIX, CC) \
1378 {SCAL, VEC, VF, MASK, VABI_PREFIX, CC},
1379#include "llvm/Analysis/VecFuncs.def"
1380#undef TLI_DEFINE_ARMPL_VECFUNCS
1381};
1382
1383const VecDesc VecFuncs_AMDLIBM[] = {
1384#define TLI_DEFINE_AMDLIBM_VECFUNCS
1385#define TLI_DEFINE_VECFUNC(SCAL, VEC, VF, MASK, VABI_PREFIX) \
1386 {SCAL, VEC, VF, MASK, VABI_PREFIX, /* CC = */ std::nullopt},
1387#include "llvm/Analysis/VecFuncs.def"
1388#undef TLI_DEFINE_AMDLIBM_VECFUNCS
1389};
1390
1391void TargetLibraryInfoImpl::addVectorizableFunctionsFromVecLib(
1392 enum VectorLibrary VecLib, const llvm::Triple &TargetTriple) {
1393 switch (VecLib) {
1394 case Accelerate: {
1395 addVectorizableFunctions(VecFuncs_Accelerate);
1396 break;
1397 }
1398 case DarwinLibSystemM: {
1399 addVectorizableFunctions(VecFuncs_DarwinLibSystemM);
1400 break;
1401 }
1402 case LIBMVEC: {
1403 switch (TargetTriple.getArch()) {
1404 default:
1405 break;
1406 case llvm::Triple::x86:
1407 case llvm::Triple::x86_64:
1408 addVectorizableFunctions(VecFuncs_LIBMVEC_X86);
1409 break;
1410 case llvm::Triple::aarch64:
1411 case llvm::Triple::aarch64_be:
1412 addVectorizableFunctions(VecFuncs_LIBMVEC_AARCH64);
1413 break;
1414 }
1415 break;
1416 }
1417 case MASSV: {
1418 addVectorizableFunctions(VecFuncs_MASSV);
1419 break;
1420 }
1421 case SVML: {
1422 addVectorizableFunctions(VecFuncs_SVML);
1423 break;
1424 }
1425 case SLEEFGNUABI: {
1426 switch (TargetTriple.getArch()) {
1427 default:
1428 break;
1429 case llvm::Triple::aarch64:
1430 case llvm::Triple::aarch64_be:
1431 addVectorizableFunctions(VecFuncs_SLEEFGNUABI_VF2);
1432 addVectorizableFunctions(VecFuncs_SLEEFGNUABI_VF4);
1433 addVectorizableFunctions(VecFuncs_SLEEFGNUABI_VFScalable);
1434 break;
1435 case llvm::Triple::riscv64:
1436 addVectorizableFunctions(VecFuncs_SLEEFGNUABI_VFScalableRISCV);
1437 break;
1438 }
1439 break;
1440 }
1441 case ArmPL: {
1442 switch (TargetTriple.getArch()) {
1443 default:
1444 break;
1445 case llvm::Triple::aarch64:
1446 case llvm::Triple::aarch64_be:
1447 addVectorizableFunctions(VecFuncs_ArmPL);
1448 break;
1449 }
1450 break;
1451 }
1452 case AMDLIBM: {
1453 addVectorizableFunctions(VecFuncs_AMDLIBM);
1454 break;
1455 }
1456 case NoLibrary:
1457 break;
1458 }
1459}
1460
1461bool TargetLibraryInfoImpl::isFunctionVectorizable(StringRef funcName) const {
1462 funcName = sanitizeFunctionName(funcName);
1463 if (funcName.empty())
1464 return false;
1465
1466 std::vector<VecDesc>::const_iterator I =
1467 llvm::lower_bound(VectorDescs, funcName, compareWithScalarFnName);
1468 return I != VectorDescs.end() && StringRef(I->getScalarFnName()) == funcName;
1469}
1470
1471StringRef TargetLibraryInfoImpl::getVectorizedFunction(StringRef F,
1472 const ElementCount &VF,
1473 bool Masked) const {
1474 const VecDesc *VD = getVectorMappingInfo(F, VF, Masked);
1475 if (VD)
1476 return VD->getVectorFnName();
1477 return StringRef();
1478}
1479
1480const VecDesc *
1481TargetLibraryInfoImpl::getVectorMappingInfo(StringRef F, const ElementCount &VF,
1482 bool Masked) const {
1483 F = sanitizeFunctionName(F);
1484 if (F.empty())
1485 return nullptr;
1486 std::vector<VecDesc>::const_iterator I =
1487 llvm::lower_bound(VectorDescs, F, compareWithScalarFnName);
1488 while (I != VectorDescs.end() && StringRef(I->getScalarFnName()) == F) {
1489 if ((I->getVectorizationFactor() == VF) && (I->isMasked() == Masked))
1490 return &(*I);
1491 ++I;
1492 }
1493 return nullptr;
1494}
1495
1496TargetLibraryInfo TargetLibraryAnalysis::run(const Function &F,
1497 FunctionAnalysisManager &) {
1498 if (!BaselineInfoImpl)
1499 BaselineInfoImpl = TargetLibraryInfoImpl(F.getParent()->getTargetTriple());
1500 return TargetLibraryInfo(*BaselineInfoImpl, &F);
1501}
1502
1503unsigned TargetLibraryInfoImpl::getWCharSize(const Module &M) const {
1504 if (auto *ShortWChar = cast_or_null<ConstantAsMetadata>(
1505 M.getModuleFlag("wchar_size")))
1506 return cast<ConstantInt>(ShortWChar->getValue())->getZExtValue();
1507 return 0;
1508}
1509
1510unsigned TargetLibraryInfoImpl::getSizeTSize(const Module &M) const {
1511 // There is really no guarantee that sizeof(size_t) is equal to the index
1512 // size of the default address space. If that isn't true then it should be
1513 // possible to derive the SizeTTy from the target triple here instead and do
1514 // an early return.
1515
1516 // Hard coding address space zero may seem unfortunate, but a number of
1517 // configurations of common targets (i386, x86-64 x32, aarch64 x32, possibly
1518 // others) have larger-than-size_t index sizes on non-default address spaces,
1519 // making this the best default.
1520 return M.getDataLayout().getIndexSizeInBits(/*AddressSpace=*/0);
1521}
1522
1523TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass()
1524 : ImmutablePass(ID), TLA(TargetLibraryInfoImpl(Triple())) {}
1525
1526TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass(const Triple &T)
1527 : ImmutablePass(ID), TLA(TargetLibraryInfoImpl(T)) {}
1528
1529TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass(
1530 const TargetLibraryInfoImpl &TLIImpl)
1531 : ImmutablePass(ID), TLA(TLIImpl) {}
1532
1533TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass(
1534 const TargetLibraryInfo &TLIOther)
1535 : TargetLibraryInfoWrapperPass(*TLIOther.Impl) {}
1536
1537AnalysisKey TargetLibraryAnalysis::Key;
1538
1539// Register the basic pass.
1540INITIALIZE_PASS(TargetLibraryInfoWrapperPass, "targetlibinfo",
1541 "Target Library Information", false, true)
1542char TargetLibraryInfoWrapperPass::ID = 0;
1543
1544void TargetLibraryInfoWrapperPass::anchor() {}
1545
1546void TargetLibraryInfoImpl::getWidestVF(StringRef ScalarF,
1547 ElementCount &FixedVF,
1548 ElementCount &ScalableVF) const {
1549 ScalarF = sanitizeFunctionName(ScalarF);
1550 // Use '0' here because a type of the form <vscale x 1 x ElTy> is not the
1551 // same as a scalar.
1552 ScalableVF = ElementCount::getScalable(0);
1553 FixedVF = ElementCount::getFixed(1);
1554 if (ScalarF.empty())
1555 return;
1556
1557 std::vector<VecDesc>::const_iterator I =
1558 llvm::lower_bound(VectorDescs, ScalarF, compareWithScalarFnName);
1559 while (I != VectorDescs.end() && StringRef(I->getScalarFnName()) == ScalarF) {
1560 ElementCount *VF =
1561 I->getVectorizationFactor().isScalable() ? &ScalableVF : &FixedVF;
1562 if (ElementCount::isKnownGT(I->getVectorizationFactor(), *VF))
1563 *VF = I->getVectorizationFactor();
1564 ++I;
1565 }
1566}
assert
assert(UImm &&(UImm !=~static_cast< T >(0)) &&"Invalid immediate!")
clEnumValN
#define clEnumValN(ENUMVAL, FLAGNAME, DESC)
Definition: CommandLine.h:687
Constants.h
This file contains the declarations for the subclasses of Constant, which represent the different fla...
RetTy
return RetTy
Definition: DeadArgumentElimination.cpp:355
Idx
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
Definition: DeadArgumentElimination.cpp:347
DenseMap.h
This file defines the DenseMap class.
Module.h
Module.h This file contains the declarations for the Module class.
F
#define F(x, y, z)
Definition: MD5.cpp:55
I
#define I(x, y, z)
Definition: MD5.cpp:58
INITIALIZE_PASS
#define INITIALIZE_PASS(passName, arg, name, cfg, analysis)
Definition: PassSupport.h:56
SmallString.h
This file defines the SmallString class.
hasSinCosPiStret
static bool hasSinCosPiStret(const Triple &T)
Definition: TargetLibraryInfo.cpp:93
isCallingConvCCompatible
static bool isCallingConvCCompatible(CallingConv::ID CC, const Triple &TT, FunctionType *FuncTy)
Definition: TargetLibraryInfo.cpp:121
sanitizeFunctionName
static StringRef sanitizeFunctionName(StringRef funcName)
Definition: TargetLibraryInfo.cpp:1014
initialize
static void initialize(TargetLibraryInfoImpl &TLI, const Triple &T, ArrayRef< StringLiteral > StandardNames)
Initialize the set of available library functions based on the specified target triple.
Definition: TargetLibraryInfo.cpp:954
VecFuncs_MASSV
static const VecDesc VecFuncs_MASSV[]
Definition: TargetLibraryInfo.cpp:1333
initializeLibCalls
static void initializeLibCalls(TargetLibraryInfoImpl &TLI, const Triple &T, ArrayRef< StringLiteral > StandardNames)
Initialize the set of available library functions based on the specified target triple.
Definition: TargetLibraryInfo.cpp:184
matchType
static bool matchType(FuncArgTypeID ArgTy, const Type *Ty, unsigned IntBits, unsigned SizeTBits)
Definition: TargetLibraryInfo.cpp:1052
hasBcmp
static bool hasBcmp(const Triple &TT)
Definition: TargetLibraryInfo.cpp:111
VecFuncs_SLEEFGNUABI_VF2
static const VecDesc VecFuncs_SLEEFGNUABI_VF2[]
Definition: TargetLibraryInfo.cpp:1345
initializeBase
static void initializeBase(TargetLibraryInfoImpl &TLI, const Triple &T)
Definition: TargetLibraryInfo.cpp:164
compareByScalarFnName
static bool compareByScalarFnName(const VecDesc &LHS, const VecDesc &RHS)
Definition: TargetLibraryInfo.cpp:1287
VecFuncs_LIBMVEC_AARCH64
static const VecDesc VecFuncs_LIBMVEC_AARCH64[]
Definition: TargetLibraryInfo.cpp:1325
compareByVectorFnName
static bool compareByVectorFnName(const VecDesc &LHS, const VecDesc &RHS)
Definition: TargetLibraryInfo.cpp:1291
VecFuncs_SLEEFGNUABI_VF4
static const VecDesc VecFuncs_SLEEFGNUABI_VF4[]
Definition: TargetLibraryInfo.cpp:1352
Signatures
static const FuncProtoTy Signatures[]
Definition: TargetLibraryInfo.cpp:85
VecFuncs_ArmPL
static const VecDesc VecFuncs_ArmPL[]
Definition: TargetLibraryInfo.cpp:1375
VecFuncs_AMDLIBM
const VecDesc VecFuncs_AMDLIBM[]
Definition: TargetLibraryInfo.cpp:1383
isValidProtoForSizeReturningNew
static bool isValidProtoForSizeReturningNew(const FunctionType &FTy, LibFunc F, const Module &M, int SizeTSizeBits)
Definition: TargetLibraryInfo.cpp:1099
VecFuncs_LIBMVEC_X86
static const VecDesc VecFuncs_LIBMVEC_X86[]
Definition: TargetLibraryInfo.cpp:1319
FuncArgTypeID
FuncArgTypeID
Definition: TargetLibraryInfo.cpp:60
IntPlus
@ IntPlus
Definition: TargetLibraryInfo.cpp:66
Floating
@ Floating
Definition: TargetLibraryInfo.cpp:76
Struct
@ Struct
Definition: TargetLibraryInfo.cpp:78
SSizeT
@ SSizeT
Definition: TargetLibraryInfo.cpp:72
ClVectorLibrary
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, "LIBMVEC", "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")))
VecFuncs_DarwinLibSystemM
static const VecDesc VecFuncs_DarwinLibSystemM[]
Definition: TargetLibraryInfo.cpp:1313
VecFuncs_SVML
static const VecDesc VecFuncs_SVML[]
Definition: TargetLibraryInfo.cpp:1339
FuncProtoTy
std::array< FuncArgTypeID, 8 > FuncProtoTy
Definition: TargetLibraryInfo.cpp:83
VecFuncs_SLEEFGNUABI_VFScalable
static const VecDesc VecFuncs_SLEEFGNUABI_VFScalable[]
Definition: TargetLibraryInfo.cpp:1359
compareWithScalarFnName
static bool compareWithScalarFnName(const VecDesc &LHS, StringRef S)
Definition: TargetLibraryInfo.cpp:1295
VecFuncs_Accelerate
static const VecDesc VecFuncs_Accelerate[]
Definition: TargetLibraryInfo.cpp:1307
VecFuncs_SLEEFGNUABI_VFScalableRISCV
static const VecDesc VecFuncs_SLEEFGNUABI_VFScalableRISCV[]
Definition: TargetLibraryInfo.cpp:1367
buildIndexMap
static DenseMap< StringRef, LibFunc > buildIndexMap(ArrayRef< StringLiteral > StandardNames)
Definition: TargetLibraryInfo.cpp:1026
RHS
Value * RHS
Definition: X86PartialReduction.cpp:74
LHS
Value * LHS
Definition: X86PartialReduction.cpp:73
llvm::AnalysisManager
A container for analyses that lazily runs them and caches their results.
Definition: PassManager.h:255
llvm::ArrayRef
ArrayRef - Represent a constant reference to an array (0 or more elements consecutively in memory),...
Definition: ArrayRef.h:41
llvm::CallBase
Base class for all callable instructions (InvokeInst and CallInst) Holds everything related to callin...
Definition: InstrTypes.h:1116
llvm::CallBase::getCallingConv
CallingConv::ID getCallingConv() const
Definition: InstrTypes.h:1406
llvm::CallBase::getFunctionType
FunctionType * getFunctionType() const
Definition: InstrTypes.h:1205
llvm::DenseMapBase::find
iterator find(const_arg_type_t< KeyT > Val)
Definition: DenseMap.h:177
llvm::DenseMapBase::end
iterator end()
Definition: DenseMap.h:87
llvm::DenseMapBase::reserve
void reserve(size_type NumEntries)
Grow the densemap so that it can contain at least NumEntries items before resizing again.
Definition: DenseMap.h:124
llvm::ElementCount::getScalable
static constexpr ElementCount getScalable(ScalarTy MinVal)
Definition: TypeSize.h:315
llvm::ElementCount::getFixed
static constexpr ElementCount getFixed(ScalarTy MinVal)
Definition: TypeSize.h:312
llvm::Function::getFunctionType
FunctionType * getFunctionType() const
Returns the FunctionType for me.
Definition: Function.h:209
llvm::Function::isIntrinsic
bool isIntrinsic() const
isIntrinsic - Returns true if the function's name starts with "llvm.".
Definition: Function.h:249
llvm::GlobalValue::dropLLVMManglingEscape
static StringRef dropLLVMManglingEscape(StringRef Name)
If the given string begins with the GlobalValue name mangling escape character '\1',...
Definition: GlobalValue.h:569
llvm::GlobalValue::getParent
Module * getParent()
Get the module that this global value is contained inside of...
Definition: GlobalValue.h:663
llvm::ImmutablePass
ImmutablePass class - This class is used to provide information that does not need to be run.
Definition: Pass.h:285
llvm::Instruction::getModule
LLVM_ABI const Module * getModule() const
Return the module owning the function this instruction belongs to or nullptr it the function does not...
Definition: Instruction.cpp:78
llvm::Module
A Module instance is used to store all the information related to an LLVM module.
Definition: Module.h:67
llvm::Module::getTargetTriple
const Triple & getTargetTriple() const
Get the target triple which is a string describing the target host.
Definition: Module.h:281
llvm::PointerType::get
static LLVM_ABI PointerType * get(Type *ElementType, unsigned AddressSpace)
This constructs a pointer to an object of the specified type in a numbered address space.
llvm::SmallString
SmallString - A SmallString is just a SmallVector with methods and accessors that make it work better...
Definition: SmallString.h:26
llvm::StringLiteral
A wrapper around a string literal that serves as a proxy for constructing global tables of StringRefs...
Definition: StringRef.h:862
llvm::StringRef
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:55
llvm::StringRef::empty
constexpr bool empty() const
empty - Check if the string is empty.
Definition: StringRef.h:151
llvm::StringRef::contains
bool contains(StringRef Other) const
Return true if the given string is a substring of *this, and false otherwise.
Definition: StringRef.h:434
llvm::StructType
Class to represent struct types.
Definition: DerivedTypes.h:218
llvm::StructType::get
static LLVM_ABI StructType * get(LLVMContext &Context, ArrayRef< Type * > Elements, bool isPacked=false)
This static method is the primary way to create a literal StructType.
Definition: Type.cpp:414
llvm::TargetLibraryAnalysis::run
LLVM_ABI TargetLibraryInfo run(const Function &F, FunctionAnalysisManager &)
Definition: TargetLibraryInfo.cpp:1496
llvm::TargetLibraryInfoImpl
Implementation of the target library information.
Definition: TargetLibraryInfo.h:86
llvm::TargetLibraryInfoImpl::setShouldExtI32Param
void setShouldExtI32Param(bool Val)
Set to true iff i32 parameters to library functions should have signext or zeroext attributes if they...
Definition: TargetLibraryInfo.h:229
llvm::TargetLibraryInfoImpl::setShouldExtI32Return
void setShouldExtI32Return(bool Val)
Set to true iff i32 results from library functions should have signext or zeroext attributes if they ...
Definition: TargetLibraryInfo.h:236
llvm::TargetLibraryInfoImpl::getWCharSize
LLVM_ABI unsigned getWCharSize(const Module &M) const
Returns the size of the wchar_t type in bytes or 0 if the size is unknown.
Definition: TargetLibraryInfo.cpp:1503
llvm::TargetLibraryInfoImpl::getLibFunc
LLVM_ABI bool getLibFunc(StringRef funcName, LibFunc &F) const
Searches for a particular function name.
Definition: TargetLibraryInfo.cpp:1035
llvm::TargetLibraryInfoImpl::getWidestVF
LLVM_ABI void getWidestVF(StringRef ScalarF, ElementCount &FixedVF, ElementCount &Scalable) const
Returns the largest vectorization factor used in the list of vector functions.
Definition: TargetLibraryInfo.cpp:1546
llvm::TargetLibraryInfoImpl::isFunctionVectorizable
bool isFunctionVectorizable(StringRef F, const ElementCount &VF) const
Return true if the function F has a vector equivalent with vectorization factor VF.
Definition: TargetLibraryInfo.h:206
llvm::TargetLibraryInfoImpl::setShouldSignExtI32Param
void setShouldSignExtI32Param(bool Val)
Set to true iff i32 parameters to library functions should have signext attribute if they correspond ...
Definition: TargetLibraryInfo.h:242
llvm::TargetLibraryInfoImpl::setAvailableWithName
void setAvailableWithName(LibFunc F, StringRef Name)
Forces a function to be marked as available and provide an alternate name that must be used.
Definition: TargetLibraryInfo.h:179
llvm::TargetLibraryInfoImpl::getIntSize
unsigned getIntSize() const
Get size of a C-level int or unsigned int, in bits.
Definition: TargetLibraryInfo.h:260
llvm::TargetLibraryInfoImpl::addVectorizableFunctionsFromVecLib
LLVM_ABI void addVectorizableFunctionsFromVecLib(enum VectorLibrary VecLib, const llvm::Triple &TargetTriple)
Calls addVectorizableFunctions with a known preset of functions for the given vector library.
Definition: TargetLibraryInfo.cpp:1391
llvm::TargetLibraryInfoImpl::setIntSize
void setIntSize(unsigned Bits)
Initialize the C-level size of an integer.
Definition: TargetLibraryInfo.h:265
llvm::TargetLibraryInfoImpl::getSizeTSize
LLVM_ABI unsigned getSizeTSize(const Module &M) const
Returns the size of the size_t type in bits.
Definition: TargetLibraryInfo.cpp:1510
llvm::TargetLibraryInfoImpl::addVectorizableFunctions
LLVM_ABI void addVectorizableFunctions(ArrayRef< VecDesc > Fns)
Add a set of scalar -> vector mappings, queryable via getVectorizedFunction and getScalarizedFunction...
Definition: TargetLibraryInfo.cpp:1299
llvm::TargetLibraryInfoImpl::getVectorMappingInfo
LLVM_ABI 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...
Definition: TargetLibraryInfo.cpp:1481
llvm::TargetLibraryInfoImpl::isCallingConvCCompatible
static LLVM_ABI bool isCallingConvCCompatible(CallBase *CI)
Returns true if call site / callee has cdecl-compatible calling conventions.
Definition: TargetLibraryInfo.cpp:152
llvm::TargetLibraryInfoImpl::setShouldSignExtI32Return
void setShouldSignExtI32Return(bool Val)
Set to true iff i32 results from library functions should have signext attribute if they correspond t...
Definition: TargetLibraryInfo.h:248
llvm::TargetLibraryInfoImpl::operator=
LLVM_ABI TargetLibraryInfoImpl & operator=(const TargetLibraryInfoImpl &TLI)
Definition: TargetLibraryInfo.cpp:991
llvm::TargetLibraryInfoImpl::disableAllFunctions
LLVM_ABI void disableAllFunctions()
Disables all builtins.
Definition: TargetLibraryInfo.cpp:1283
llvm::TargetLibraryInfoImpl::VectorLibrary
VectorLibrary
List of known vector-functions libraries.
Definition: TargetLibraryInfo.h:127
llvm::TargetLibraryInfoImpl::setUnavailable
void setUnavailable(LibFunc F)
Forces a function to be marked as unavailable.
Definition: TargetLibraryInfo.h:168
llvm::TargetLibraryInfoImpl::getVectorizedFunction
LLVM_ABI StringRef getVectorizedFunction(StringRef F, const ElementCount &VF, bool Masked) const
Return the name of the equivalent of F, vectorized with factor VF.
Definition: TargetLibraryInfo.cpp:1471
llvm::TargetLibraryInfoImpl::setAvailable
void setAvailable(LibFunc F)
Forces a function to be marked as available.
Definition: TargetLibraryInfo.h:173
llvm::TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass
TargetLibraryInfoWrapperPass()
The default constructor should not be used and is only for pass manager initialization purposes.
Definition: TargetLibraryInfo.cpp:1523
llvm::TargetLibraryInfo
Provides information about what library functions are available for the current target.
Definition: TargetLibraryInfo.h:285
llvm::TargetLibraryInfo::initExtensionsForTriple
static void initExtensionsForTriple(bool &ShouldExtI32Param, bool &ShouldExtI32Return, bool &ShouldSignExtI32Param, bool &ShouldSignExtI32Return, const Triple &T)
Definition: TargetLibraryInfo.h:467
llvm::Triple
Triple - Helper class for working with autoconf configuration names.
Definition: Triple.h:47
llvm::Triple::Emscripten
@ Emscripten
Definition: Triple.h:243
llvm::Triple::aarch64_be
@ aarch64_be
Definition: Triple.h:55
llvm::Triple::getArch
ArchType getArch() const
Get the parsed architecture type of this triple.
Definition: Triple.h:408
llvm::Type
The instances of the Type class are immutable: once they are created, they are never changed.
Definition: Type.h:45
llvm::Type::getPrimitiveSizeInBits
LLVM_ABI TypeSize getPrimitiveSizeInBits() const LLVM_READONLY
Return the basic size of this type if it is a primitive type.
llvm::Type::isArrayTy
bool isArrayTy() const
True if this is an instance of ArrayType.
Definition: Type.h:264
llvm::Type::isPointerTy
bool isPointerTy() const
True if this is an instance of PointerType.
Definition: Type.h:267
llvm::Type::getArrayElementType
Type * getArrayElementType() const
Definition: Type.h:408
llvm::Type::isFloatTy
bool isFloatTy() const
Return true if this is 'float', a 32-bit IEEE fp type.
Definition: Type.h:153
llvm::Type::getIntNTy
static LLVM_ABI IntegerType * getIntNTy(LLVMContext &C, unsigned N)
llvm::Type::isStructTy
bool isStructTy() const
True if this is an instance of StructType.
Definition: Type.h:261
llvm::Type::isDoubleTy
bool isDoubleTy() const
Return true if this is 'double', a 64-bit IEEE fp type.
Definition: Type.h:156
llvm::Type::isFloatingPointTy
bool isFloatingPointTy() const
Return true if this is one of the floating-point types.
Definition: Type.h:184
llvm::Type::isIntegerTy
bool isIntegerTy() const
True if this is an instance of IntegerType.
Definition: Type.h:240
llvm::Type::isVoidTy
bool isVoidTy() const
Return true if this is 'void'.
Definition: Type.h:139
llvm::Type::getArrayNumElements
LLVM_ABI uint64_t getArrayNumElements() const
llvm::Value::getName
LLVM_ABI StringRef getName() const
Return a constant reference to the value's name.
Definition: Value.cpp:322
llvm::VecDesc
Provides info so a possible vectorization of a function can be computed.
Definition: TargetLibraryInfo.h:43
llvm::VecDesc::getVectorFunctionABIVariantString
LLVM_ABI std::string getVectorFunctionABIVariantString() const
Returns a vector function ABI variant string on the form: ZGV<isa><mask><vlen><vparams><scalarname>(<...
Definition: TargetLibraryInfo.cpp:51
llvm::VecDesc::getVectorFnName
StringRef getVectorFnName() const
Definition: TargetLibraryInfo.h:61
llvm::VersionTuple
Represents a version number in the form major[.minor[.subminor[.build]]].
Definition: VersionTuple.h:30
llvm::details::FixedOrScalableQuantity< ElementCount, unsigned >::isKnownGT
static constexpr bool isKnownGT(const FixedOrScalableQuantity &LHS, const FixedOrScalableQuantity &RHS)
Definition: TypeSize.h:226
llvm::raw_svector_ostream
A raw_ostream that writes to an SmallVector or SmallString.
Definition: raw_ostream.h:692
llvm::raw_svector_ostream::str
StringRef str() const
Return a StringRef for the vector contents.
Definition: raw_ostream.h:721
llvm_unreachable
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
Definition: ErrorHandling.h:164
llvm::CallingConv::ARM_APCS
@ ARM_APCS
ARM Procedure Calling Standard (obsolete, but still used on some targets).
Definition: CallingConv.h:107
llvm::CallingConv::ARM_AAPCS
@ ARM_AAPCS
ARM Architecture Procedure Calling Standard calling convention (aka EABI).
Definition: CallingConv.h:111
llvm::CallingConv::ARM_AAPCS_VFP
@ ARM_AAPCS_VFP
Same as ARM_AAPCS, but uses hard floating point ABI.
Definition: CallingConv.h:114
llvm::CallingConv::C
@ C
The default llvm calling convention, compatible with C.
Definition: CallingConv.h:34
llvm::cl::values
ValuesClass values(OptsTy... Options)
Helper to build a ValuesClass by forwarding a variable number of arguments as an initializer list to ...
Definition: CommandLine.h:712
llvm::cl::init
initializer< Ty > init(const Ty &Val)
Definition: CommandLine.h:444
llvm
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
llvm::append_range
void append_range(Container &C, Range &&R)
Wrapper function to append range R to container C.
Definition: STLExtras.h:2155
llvm::sort
void sort(IteratorTy Start, IteratorTy End)
Definition: STLExtras.h:1669
llvm::lower_bound
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:2013
llvm::move
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:1886
std
Implement std::hash so that hash_code can be used in STL containers.
Definition: BitVector.h:856
llvm::AnalysisKey
A special type used by analysis passes to provide an address that identifies that particular analysis...
Definition: Analysis.h:29
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