Coverage Report

Created: 2017-10-03 07:32

/Users/buildslave/jenkins/sharedspace/clang-stage2-coverage-R@2/llvm/lib/Analysis/TargetLibraryInfo.cpp
Line
Count
Source (jump to first uncovered line)
1
//===-- TargetLibraryInfo.cpp - Runtime library information ----------------==//
2
//
3
//                     The LLVM Compiler Infrastructure
4
//
5
// This file is distributed under the University of Illinois Open Source
6
// License. See LICENSE.TXT for details.
7
//
8
//===----------------------------------------------------------------------===//
9
//
10
// This file implements the TargetLibraryInfo class.
11
//
12
//===----------------------------------------------------------------------===//
13
14
#include "llvm/Analysis/TargetLibraryInfo.h"
15
#include "llvm/ADT/Triple.h"
16
#include "llvm/IR/Constants.h"
17
#include "llvm/Support/CommandLine.h"
18
using namespace llvm;
19
20
static cl::opt<TargetLibraryInfoImpl::VectorLibrary> ClVectorLibrary(
21
    "vector-library", cl::Hidden, cl::desc("Vector functions library"),
22
    cl::init(TargetLibraryInfoImpl::NoLibrary),
23
    cl::values(clEnumValN(TargetLibraryInfoImpl::NoLibrary, "none",
24
                          "No vector functions library"),
25
               clEnumValN(TargetLibraryInfoImpl::Accelerate, "Accelerate",
26
                          "Accelerate framework"),
27
               clEnumValN(TargetLibraryInfoImpl::SVML, "SVML",
28
                          "Intel SVML library")));
29
30
StringRef const TargetLibraryInfoImpl::StandardNames[LibFunc::NumLibFuncs] = {
31
#define TLI_DEFINE_STRING
32
#include "llvm/Analysis/TargetLibraryInfo.def"
33
};
34
35
64.5k
static bool hasSinCosPiStret(const Triple &T) {
36
64.5k
  // Only Darwin variants have _stret versions of combined trig functions.
37
64.5k
  if (!T.isOSDarwin())
38
26.6k
    return false;
39
37.9k
40
37.9k
  // The ABI is rather complicated on x86, so don't do anything special there.
41
37.9k
  
if (37.9k
T.getArch() == Triple::x8637.9k
)
42
1.93k
    return false;
43
35.9k
44
35.9k
  
if (35.9k
T.isMacOSX() && 35.9k
T.isMacOSXVersionLT(10, 9)7.21k
)
45
3.82k
    return false;
46
32.1k
47
32.1k
  
if (32.1k
T.isiOS() && 32.1k
T.isOSVersionLT(7, 0)28.7k
)
48
2.52k
    return false;
49
29.6k
50
29.6k
  return true;
51
29.6k
}
52
53
/// initialize - Initialize the set of available library functions based on the
54
/// specified target triple.  This should be carefully written so that a missing
55
/// target triple gets a sane set of defaults.
56
static void initialize(TargetLibraryInfoImpl &TLI, const Triple &T,
57
65.1k
                       ArrayRef<StringRef> StandardNames) {
58
65.1k
  // Verify that the StandardNames array is in alphabetical order.
59
65.1k
  assert(std::is_sorted(StandardNames.begin(), StandardNames.end(),
60
65.1k
                        [](StringRef LHS, StringRef RHS) {
61
65.1k
                          return LHS < RHS;
62
65.1k
                        }) &&
63
65.1k
         "TargetLibraryInfoImpl function names must be sorted");
64
65.1k
65
65.1k
  bool ShouldExtI32Param = false, ShouldExtI32Return = false,
66
65.1k
       ShouldSignExtI32Param = false;
67
65.1k
  // PowerPC64, Sparc64, SystemZ need signext/zeroext on i32 parameters and
68
65.1k
  // returns corresponding to C-level ints and unsigned ints.
69
65.1k
  if (
T.getArch() == Triple::ppc64 || 65.1k
T.getArch() == Triple::ppc64le64.3k
||
70
65.1k
      
T.getArch() == Triple::sparcv963.7k
||
T.getArch() == Triple::systemz63.7k
) {
71
2.27k
    ShouldExtI32Param = true;
72
2.27k
    ShouldExtI32Return = true;
73
2.27k
  }
74
65.1k
  // Mips, on the other hand, needs signext on i32 parameters corresponding
75
65.1k
  // to both signed and unsigned ints.
76
65.1k
  if (
T.getArch() == Triple::mips || 65.1k
T.getArch() == Triple::mipsel65.0k
||
77
65.1k
      
T.getArch() == Triple::mips6464.9k
||
T.getArch() == Triple::mips64el64.8k
) {
78
362
    ShouldSignExtI32Param = true;
79
362
  }
80
65.1k
  TLI.setShouldExtI32Param(ShouldExtI32Param);
81
65.1k
  TLI.setShouldExtI32Return(ShouldExtI32Return);
82
65.1k
  TLI.setShouldSignExtI32Param(ShouldSignExtI32Param);
83
65.1k
84
65.1k
  if (T.getArch() == Triple::r600 ||
85
65.1k
      
T.getArch() == Triple::amdgcn65.1k
) {
86
564
    TLI.setUnavailable(LibFunc_ldexp);
87
564
    TLI.setUnavailable(LibFunc_ldexpf);
88
564
    TLI.setUnavailable(LibFunc_ldexpl);
89
564
    TLI.setUnavailable(LibFunc_exp10);
90
564
    TLI.setUnavailable(LibFunc_exp10f);
91
564
    TLI.setUnavailable(LibFunc_exp10l);
92
564
    TLI.setUnavailable(LibFunc_log10);
93
564
    TLI.setUnavailable(LibFunc_log10f);
94
564
    TLI.setUnavailable(LibFunc_log10l);
95
564
  }
96
65.1k
97
65.1k
  // There are no library implementations of mempcy and memset for AMD gpus and
98
65.1k
  // these can be difficult to lower in the backend.
99
65.1k
  if (T.getArch() == Triple::r600 ||
100
65.1k
      
T.getArch() == Triple::amdgcn65.1k
) {
101
564
    TLI.setUnavailable(LibFunc_memcpy);
102
564
    TLI.setUnavailable(LibFunc_memset);
103
564
    TLI.setUnavailable(LibFunc_memset_pattern16);
104
564
    return;
105
564
  }
106
64.5k
107
64.5k
  // memset_pattern16 is only available on iOS 3.0 and Mac OS X 10.5 and later.
108
64.5k
  // All versions of watchOS support it.
109
64.5k
  
if (64.5k
T.isMacOSX()64.5k
) {
110
8.75k
    if (T.isMacOSXVersionLT(10, 5))
111
1.84k
      TLI.setUnavailable(LibFunc_memset_pattern16);
112
64.5k
  } else 
if (55.8k
T.isiOS()55.8k
) {
113
29.1k
    if (T.isOSVersionLT(3, 0))
114
417
      TLI.setUnavailable(LibFunc_memset_pattern16);
115
55.8k
  } else 
if (26.6k
!T.isWatchOS()26.6k
) {
116
26.6k
    TLI.setUnavailable(LibFunc_memset_pattern16);
117
26.6k
  }
118
64.5k
119
64.5k
  if (
!hasSinCosPiStret(T)64.5k
) {
120
34.9k
    TLI.setUnavailable(LibFunc_sinpi);
121
34.9k
    TLI.setUnavailable(LibFunc_sinpif);
122
34.9k
    TLI.setUnavailable(LibFunc_cospi);
123
34.9k
    TLI.setUnavailable(LibFunc_cospif);
124
34.9k
    TLI.setUnavailable(LibFunc_sincospi_stret);
125
34.9k
    TLI.setUnavailable(LibFunc_sincospif_stret);
126
34.9k
  }
127
64.5k
128
64.5k
  if (
T.isMacOSX() && 64.5k
T.getArch() == Triple::x868.75k
&&
129
64.5k
      
!T.isMacOSXVersionLT(10, 7)1.53k
) {
130
543
    // x86-32 OSX has a scheme where fwrite and fputs (and some other functions
131
543
    // we don't care about) have two versions; on recent OSX, the one we want
132
543
    // has a $UNIX2003 suffix. The two implementations are identical except
133
543
    // for the return value in some edge cases.  However, we don't want to
134
543
    // generate code that depends on the old symbols.
135
543
    TLI.setAvailableWithName(LibFunc_fwrite, "fwrite$UNIX2003");
136
543
    TLI.setAvailableWithName(LibFunc_fputs, "fputs$UNIX2003");
137
543
  }
138
64.5k
139
64.5k
  // iprintf and friends are only available on XCore and TCE.
140
64.5k
  if (
T.getArch() != Triple::xcore && 64.5k
T.getArch() != Triple::tce64.5k
) {
141
64.5k
    TLI.setUnavailable(LibFunc_iprintf);
142
64.5k
    TLI.setUnavailable(LibFunc_siprintf);
143
64.5k
    TLI.setUnavailable(LibFunc_fiprintf);
144
64.5k
  }
145
64.5k
146
64.5k
  if (
T.isOSWindows() && 64.5k
!T.isOSCygMing()1.20k
) {
147
1.06k
    // Win32 does not support long double
148
1.06k
    TLI.setUnavailable(LibFunc_acosl);
149
1.06k
    TLI.setUnavailable(LibFunc_asinl);
150
1.06k
    TLI.setUnavailable(LibFunc_atanl);
151
1.06k
    TLI.setUnavailable(LibFunc_atan2l);
152
1.06k
    TLI.setUnavailable(LibFunc_ceill);
153
1.06k
    TLI.setUnavailable(LibFunc_copysignl);
154
1.06k
    TLI.setUnavailable(LibFunc_cosl);
155
1.06k
    TLI.setUnavailable(LibFunc_coshl);
156
1.06k
    TLI.setUnavailable(LibFunc_expl);
157
1.06k
    TLI.setUnavailable(LibFunc_fabsf); // Win32 and Win64 both lack fabsf
158
1.06k
    TLI.setUnavailable(LibFunc_fabsl);
159
1.06k
    TLI.setUnavailable(LibFunc_floorl);
160
1.06k
    TLI.setUnavailable(LibFunc_fmaxl);
161
1.06k
    TLI.setUnavailable(LibFunc_fminl);
162
1.06k
    TLI.setUnavailable(LibFunc_fmodl);
163
1.06k
    TLI.setUnavailable(LibFunc_frexpl);
164
1.06k
    TLI.setUnavailable(LibFunc_ldexpf);
165
1.06k
    TLI.setUnavailable(LibFunc_ldexpl);
166
1.06k
    TLI.setUnavailable(LibFunc_logl);
167
1.06k
    TLI.setUnavailable(LibFunc_modfl);
168
1.06k
    TLI.setUnavailable(LibFunc_powl);
169
1.06k
    TLI.setUnavailable(LibFunc_sinl);
170
1.06k
    TLI.setUnavailable(LibFunc_sinhl);
171
1.06k
    TLI.setUnavailable(LibFunc_sqrtl);
172
1.06k
    TLI.setUnavailable(LibFunc_tanl);
173
1.06k
    TLI.setUnavailable(LibFunc_tanhl);
174
1.06k
175
1.06k
    // Win32 only has C89 math
176
1.06k
    TLI.setUnavailable(LibFunc_acosh);
177
1.06k
    TLI.setUnavailable(LibFunc_acoshf);
178
1.06k
    TLI.setUnavailable(LibFunc_acoshl);
179
1.06k
    TLI.setUnavailable(LibFunc_asinh);
180
1.06k
    TLI.setUnavailable(LibFunc_asinhf);
181
1.06k
    TLI.setUnavailable(LibFunc_asinhl);
182
1.06k
    TLI.setUnavailable(LibFunc_atanh);
183
1.06k
    TLI.setUnavailable(LibFunc_atanhf);
184
1.06k
    TLI.setUnavailable(LibFunc_atanhl);
185
1.06k
    TLI.setUnavailable(LibFunc_cbrt);
186
1.06k
    TLI.setUnavailable(LibFunc_cbrtf);
187
1.06k
    TLI.setUnavailable(LibFunc_cbrtl);
188
1.06k
    TLI.setUnavailable(LibFunc_exp2);
189
1.06k
    TLI.setUnavailable(LibFunc_exp2f);
190
1.06k
    TLI.setUnavailable(LibFunc_exp2l);
191
1.06k
    TLI.setUnavailable(LibFunc_expm1);
192
1.06k
    TLI.setUnavailable(LibFunc_expm1f);
193
1.06k
    TLI.setUnavailable(LibFunc_expm1l);
194
1.06k
    TLI.setUnavailable(LibFunc_log2);
195
1.06k
    TLI.setUnavailable(LibFunc_log2f);
196
1.06k
    TLI.setUnavailable(LibFunc_log2l);
197
1.06k
    TLI.setUnavailable(LibFunc_log1p);
198
1.06k
    TLI.setUnavailable(LibFunc_log1pf);
199
1.06k
    TLI.setUnavailable(LibFunc_log1pl);
200
1.06k
    TLI.setUnavailable(LibFunc_logb);
201
1.06k
    TLI.setUnavailable(LibFunc_logbf);
202
1.06k
    TLI.setUnavailable(LibFunc_logbl);
203
1.06k
    TLI.setUnavailable(LibFunc_nearbyint);
204
1.06k
    TLI.setUnavailable(LibFunc_nearbyintf);
205
1.06k
    TLI.setUnavailable(LibFunc_nearbyintl);
206
1.06k
    TLI.setUnavailable(LibFunc_rint);
207
1.06k
    TLI.setUnavailable(LibFunc_rintf);
208
1.06k
    TLI.setUnavailable(LibFunc_rintl);
209
1.06k
    TLI.setUnavailable(LibFunc_round);
210
1.06k
    TLI.setUnavailable(LibFunc_roundf);
211
1.06k
    TLI.setUnavailable(LibFunc_roundl);
212
1.06k
    TLI.setUnavailable(LibFunc_trunc);
213
1.06k
    TLI.setUnavailable(LibFunc_truncf);
214
1.06k
    TLI.setUnavailable(LibFunc_truncl);
215
1.06k
216
1.06k
    // Win32 provides some C99 math with mangled names
217
1.06k
    TLI.setAvailableWithName(LibFunc_copysign, "_copysign");
218
1.06k
219
1.06k
    if (
T.getArch() == Triple::x861.06k
) {
220
446
      // Win32 on x86 implements single-precision math functions as macros
221
446
      TLI.setUnavailable(LibFunc_acosf);
222
446
      TLI.setUnavailable(LibFunc_asinf);
223
446
      TLI.setUnavailable(LibFunc_atanf);
224
446
      TLI.setUnavailable(LibFunc_atan2f);
225
446
      TLI.setUnavailable(LibFunc_ceilf);
226
446
      TLI.setUnavailable(LibFunc_copysignf);
227
446
      TLI.setUnavailable(LibFunc_cosf);
228
446
      TLI.setUnavailable(LibFunc_coshf);
229
446
      TLI.setUnavailable(LibFunc_expf);
230
446
      TLI.setUnavailable(LibFunc_floorf);
231
446
      TLI.setUnavailable(LibFunc_fminf);
232
446
      TLI.setUnavailable(LibFunc_fmaxf);
233
446
      TLI.setUnavailable(LibFunc_fmodf);
234
446
      TLI.setUnavailable(LibFunc_logf);
235
446
      TLI.setUnavailable(LibFunc_log10f);
236
446
      TLI.setUnavailable(LibFunc_modff);
237
446
      TLI.setUnavailable(LibFunc_powf);
238
446
      TLI.setUnavailable(LibFunc_sinf);
239
446
      TLI.setUnavailable(LibFunc_sinhf);
240
446
      TLI.setUnavailable(LibFunc_sqrtf);
241
446
      TLI.setUnavailable(LibFunc_tanf);
242
446
      TLI.setUnavailable(LibFunc_tanhf);
243
446
    }
244
1.06k
245
1.06k
    // These definitions are due to math-finite.h header on Linux
246
1.06k
    TLI.setUnavailable(LibFunc_acos_finite);
247
1.06k
    TLI.setUnavailable(LibFunc_acosf_finite);
248
1.06k
    TLI.setUnavailable(LibFunc_acosl_finite);
249
1.06k
    TLI.setUnavailable(LibFunc_acosh_finite);
250
1.06k
    TLI.setUnavailable(LibFunc_acoshf_finite);
251
1.06k
    TLI.setUnavailable(LibFunc_acoshl_finite);
252
1.06k
    TLI.setUnavailable(LibFunc_asin_finite);
253
1.06k
    TLI.setUnavailable(LibFunc_asinf_finite);
254
1.06k
    TLI.setUnavailable(LibFunc_asinl_finite);
255
1.06k
    TLI.setUnavailable(LibFunc_atan2_finite);
256
1.06k
    TLI.setUnavailable(LibFunc_atan2f_finite);
257
1.06k
    TLI.setUnavailable(LibFunc_atan2l_finite);
258
1.06k
    TLI.setUnavailable(LibFunc_atanh_finite);
259
1.06k
    TLI.setUnavailable(LibFunc_atanhf_finite);
260
1.06k
    TLI.setUnavailable(LibFunc_atanhl_finite);
261
1.06k
    TLI.setUnavailable(LibFunc_cosh_finite);
262
1.06k
    TLI.setUnavailable(LibFunc_coshf_finite);
263
1.06k
    TLI.setUnavailable(LibFunc_coshl_finite);
264
1.06k
    TLI.setUnavailable(LibFunc_exp10_finite);
265
1.06k
    TLI.setUnavailable(LibFunc_exp10f_finite);
266
1.06k
    TLI.setUnavailable(LibFunc_exp10l_finite);
267
1.06k
    TLI.setUnavailable(LibFunc_exp2_finite);
268
1.06k
    TLI.setUnavailable(LibFunc_exp2f_finite);
269
1.06k
    TLI.setUnavailable(LibFunc_exp2l_finite);
270
1.06k
    TLI.setUnavailable(LibFunc_exp_finite);
271
1.06k
    TLI.setUnavailable(LibFunc_expf_finite);
272
1.06k
    TLI.setUnavailable(LibFunc_expl_finite);
273
1.06k
    TLI.setUnavailable(LibFunc_log10_finite);
274
1.06k
    TLI.setUnavailable(LibFunc_log10f_finite);
275
1.06k
    TLI.setUnavailable(LibFunc_log10l_finite);
276
1.06k
    TLI.setUnavailable(LibFunc_log2_finite);
277
1.06k
    TLI.setUnavailable(LibFunc_log2f_finite);
278
1.06k
    TLI.setUnavailable(LibFunc_log2l_finite);
279
1.06k
    TLI.setUnavailable(LibFunc_log_finite);
280
1.06k
    TLI.setUnavailable(LibFunc_logf_finite);
281
1.06k
    TLI.setUnavailable(LibFunc_logl_finite);
282
1.06k
    TLI.setUnavailable(LibFunc_pow_finite);
283
1.06k
    TLI.setUnavailable(LibFunc_powf_finite);
284
1.06k
    TLI.setUnavailable(LibFunc_powl_finite);
285
1.06k
    TLI.setUnavailable(LibFunc_sinh_finite);
286
1.06k
    TLI.setUnavailable(LibFunc_sinhf_finite);
287
1.06k
    TLI.setUnavailable(LibFunc_sinhl_finite);
288
1.06k
289
1.06k
    // Win32 does *not* provide provide these functions, but they are
290
1.06k
    // generally available on POSIX-compliant systems:
291
1.06k
    TLI.setUnavailable(LibFunc_access);
292
1.06k
    TLI.setUnavailable(LibFunc_bcmp);
293
1.06k
    TLI.setUnavailable(LibFunc_bcopy);
294
1.06k
    TLI.setUnavailable(LibFunc_bzero);
295
1.06k
    TLI.setUnavailable(LibFunc_chmod);
296
1.06k
    TLI.setUnavailable(LibFunc_chown);
297
1.06k
    TLI.setUnavailable(LibFunc_closedir);
298
1.06k
    TLI.setUnavailable(LibFunc_ctermid);
299
1.06k
    TLI.setUnavailable(LibFunc_fdopen);
300
1.06k
    TLI.setUnavailable(LibFunc_ffs);
301
1.06k
    TLI.setUnavailable(LibFunc_fileno);
302
1.06k
    TLI.setUnavailable(LibFunc_flockfile);
303
1.06k
    TLI.setUnavailable(LibFunc_fseeko);
304
1.06k
    TLI.setUnavailable(LibFunc_fstat);
305
1.06k
    TLI.setUnavailable(LibFunc_fstatvfs);
306
1.06k
    TLI.setUnavailable(LibFunc_ftello);
307
1.06k
    TLI.setUnavailable(LibFunc_ftrylockfile);
308
1.06k
    TLI.setUnavailable(LibFunc_funlockfile);
309
1.06k
    TLI.setUnavailable(LibFunc_getc_unlocked);
310
1.06k
    TLI.setUnavailable(LibFunc_getitimer);
311
1.06k
    TLI.setUnavailable(LibFunc_getlogin_r);
312
1.06k
    TLI.setUnavailable(LibFunc_getpwnam);
313
1.06k
    TLI.setUnavailable(LibFunc_gettimeofday);
314
1.06k
    TLI.setUnavailable(LibFunc_htonl);
315
1.06k
    TLI.setUnavailable(LibFunc_htons);
316
1.06k
    TLI.setUnavailable(LibFunc_lchown);
317
1.06k
    TLI.setUnavailable(LibFunc_lstat);
318
1.06k
    TLI.setUnavailable(LibFunc_memccpy);
319
1.06k
    TLI.setUnavailable(LibFunc_mkdir);
320
1.06k
    TLI.setUnavailable(LibFunc_ntohl);
321
1.06k
    TLI.setUnavailable(LibFunc_ntohs);
322
1.06k
    TLI.setUnavailable(LibFunc_open);
323
1.06k
    TLI.setUnavailable(LibFunc_opendir);
324
1.06k
    TLI.setUnavailable(LibFunc_pclose);
325
1.06k
    TLI.setUnavailable(LibFunc_popen);
326
1.06k
    TLI.setUnavailable(LibFunc_pread);
327
1.06k
    TLI.setUnavailable(LibFunc_pwrite);
328
1.06k
    TLI.setUnavailable(LibFunc_read);
329
1.06k
    TLI.setUnavailable(LibFunc_readlink);
330
1.06k
    TLI.setUnavailable(LibFunc_realpath);
331
1.06k
    TLI.setUnavailable(LibFunc_rmdir);
332
1.06k
    TLI.setUnavailable(LibFunc_setitimer);
333
1.06k
    TLI.setUnavailable(LibFunc_stat);
334
1.06k
    TLI.setUnavailable(LibFunc_statvfs);
335
1.06k
    TLI.setUnavailable(LibFunc_stpcpy);
336
1.06k
    TLI.setUnavailable(LibFunc_stpncpy);
337
1.06k
    TLI.setUnavailable(LibFunc_strcasecmp);
338
1.06k
    TLI.setUnavailable(LibFunc_strncasecmp);
339
1.06k
    TLI.setUnavailable(LibFunc_times);
340
1.06k
    TLI.setUnavailable(LibFunc_uname);
341
1.06k
    TLI.setUnavailable(LibFunc_unlink);
342
1.06k
    TLI.setUnavailable(LibFunc_unsetenv);
343
1.06k
    TLI.setUnavailable(LibFunc_utime);
344
1.06k
    TLI.setUnavailable(LibFunc_utimes);
345
1.06k
    TLI.setUnavailable(LibFunc_write);
346
1.06k
347
1.06k
    // Win32 does *not* provide provide these functions, but they are
348
1.06k
    // specified by C99:
349
1.06k
    TLI.setUnavailable(LibFunc_atoll);
350
1.06k
    TLI.setUnavailable(LibFunc_frexpf);
351
1.06k
    TLI.setUnavailable(LibFunc_llabs);
352
1.06k
  }
353
64.5k
354
64.5k
  switch (T.getOS()) {
355
4.49k
  case Triple::MacOSX:
356
4.49k
    // exp10 and exp10f are not available on OS X until 10.9 and iOS until 7.0
357
4.49k
    // and their names are __exp10 and __exp10f. exp10l is not available on
358
4.49k
    // OS X or iOS.
359
4.49k
    TLI.setUnavailable(LibFunc_exp10l);
360
4.49k
    if (
T.isMacOSXVersionLT(10, 9)4.49k
) {
361
1.96k
      TLI.setUnavailable(LibFunc_exp10);
362
1.96k
      TLI.setUnavailable(LibFunc_exp10f);
363
4.49k
    } else {
364
2.53k
      TLI.setAvailableWithName(LibFunc_exp10, "__exp10");
365
2.53k
      TLI.setAvailableWithName(LibFunc_exp10f, "__exp10f");
366
2.53k
    }
367
4.49k
    break;
368
29.1k
  case Triple::IOS:
369
29.1k
  case Triple::TvOS:
370
29.1k
  case Triple::WatchOS:
371
29.1k
    TLI.setUnavailable(LibFunc_exp10l);
372
29.1k
    if (
!T.isWatchOS() && 29.1k
(T.isOSVersionLT(7, 0) ||
373
26.4k
                           (T.isOSVersionLT(9, 0) &&
374
1.41k
                            (T.getArch() == Triple::x86 ||
375
29.1k
                             
T.getArch() == Triple::x86_641.20k
)))) {
376
3.12k
      TLI.setUnavailable(LibFunc_exp10);
377
3.12k
      TLI.setUnavailable(LibFunc_exp10f);
378
29.1k
    } else {
379
26.0k
      TLI.setAvailableWithName(LibFunc_exp10, "__exp10");
380
26.0k
      TLI.setAvailableWithName(LibFunc_exp10f, "__exp10f");
381
26.0k
    }
382
29.1k
    break;
383
6.98k
  case Triple::Linux:
384
6.98k
    // exp10, exp10f, exp10l is available on Linux (GLIBC) but are extremely
385
6.98k
    // buggy prior to glibc version 2.18. Until this version is widely deployed
386
6.98k
    // or we have a reasonable detection strategy, we cannot use exp10 reliably
387
6.98k
    // on Linux.
388
6.98k
    //
389
6.98k
    // Fall through to disable all of them.
390
6.98k
    LLVM_FALLTHROUGH;
391
30.9k
  default:
392
30.9k
    TLI.setUnavailable(LibFunc_exp10);
393
30.9k
    TLI.setUnavailable(LibFunc_exp10f);
394
30.9k
    TLI.setUnavailable(LibFunc_exp10l);
395
64.5k
  }
396
64.5k
397
64.5k
  // ffsl is available on at least Darwin, Mac OS X, iOS, FreeBSD, and
398
64.5k
  // Linux (GLIBC):
399
64.5k
  // http://developer.apple.com/library/mac/#documentation/Darwin/Reference/ManPages/man3/ffsl.3.html
400
64.5k
  // http://svn.freebsd.org/base/head/lib/libc/string/ffsl.c
401
64.5k
  // http://www.gnu.org/software/gnulib/manual/html_node/ffsl.html
402
64.5k
  switch (T.getOS()) {
403
44.9k
  case Triple::Darwin:
404
44.9k
  case Triple::MacOSX:
405
44.9k
  case Triple::IOS:
406
44.9k
  case Triple::TvOS:
407
44.9k
  case Triple::WatchOS:
408
44.9k
  case Triple::FreeBSD:
409
44.9k
  case Triple::Linux:
410
44.9k
    break;
411
19.5k
  default:
412
19.5k
    TLI.setUnavailable(LibFunc_ffsl);
413
64.5k
  }
414
64.5k
415
64.5k
  // ffsll is available on at least FreeBSD and Linux (GLIBC):
416
64.5k
  // http://svn.freebsd.org/base/head/lib/libc/string/ffsll.c
417
64.5k
  // http://www.gnu.org/software/gnulib/manual/html_node/ffsll.html
418
64.5k
  switch (T.getOS()) {
419
44.9k
  case Triple::Darwin:
420
44.9k
  case Triple::MacOSX:
421
44.9k
  case Triple::IOS:
422
44.9k
  case Triple::TvOS:
423
44.9k
  case Triple::WatchOS:
424
44.9k
  case Triple::FreeBSD:
425
44.9k
  case Triple::Linux:
426
44.9k
    break;
427
19.5k
  default:
428
19.5k
    TLI.setUnavailable(LibFunc_ffsll);
429
64.5k
  }
430
64.5k
431
64.5k
  // The following functions are available on at least FreeBSD:
432
64.5k
  // http://svn.freebsd.org/base/head/lib/libc/string/fls.c
433
64.5k
  // http://svn.freebsd.org/base/head/lib/libc/string/flsl.c
434
64.5k
  // http://svn.freebsd.org/base/head/lib/libc/string/flsll.c
435
64.5k
  
if (64.5k
!T.isOSFreeBSD()64.5k
) {
436
64.5k
    TLI.setUnavailable(LibFunc_fls);
437
64.5k
    TLI.setUnavailable(LibFunc_flsl);
438
64.5k
    TLI.setUnavailable(LibFunc_flsll);
439
64.5k
  }
440
64.5k
441
64.5k
  // The following functions are available on at least Linux:
442
64.5k
  if (
!T.isOSLinux()64.5k
) {
443
57.5k
    TLI.setUnavailable(LibFunc_dunder_strdup);
444
57.5k
    TLI.setUnavailable(LibFunc_dunder_strtok_r);
445
57.5k
    TLI.setUnavailable(LibFunc_dunder_isoc99_scanf);
446
57.5k
    TLI.setUnavailable(LibFunc_dunder_isoc99_sscanf);
447
57.5k
    TLI.setUnavailable(LibFunc_under_IO_getc);
448
57.5k
    TLI.setUnavailable(LibFunc_under_IO_putc);
449
57.5k
    TLI.setUnavailable(LibFunc_memalign);
450
57.5k
    TLI.setUnavailable(LibFunc_fopen64);
451
57.5k
    TLI.setUnavailable(LibFunc_fseeko64);
452
57.5k
    TLI.setUnavailable(LibFunc_fstat64);
453
57.5k
    TLI.setUnavailable(LibFunc_fstatvfs64);
454
57.5k
    TLI.setUnavailable(LibFunc_ftello64);
455
57.5k
    TLI.setUnavailable(LibFunc_lstat64);
456
57.5k
    TLI.setUnavailable(LibFunc_open64);
457
57.5k
    TLI.setUnavailable(LibFunc_stat64);
458
57.5k
    TLI.setUnavailable(LibFunc_statvfs64);
459
57.5k
    TLI.setUnavailable(LibFunc_tmpfile64);
460
57.5k
  }
461
64.5k
462
64.5k
  // As currently implemented in clang, NVPTX code has no standard library to
463
64.5k
  // speak of.  Headers provide a standard-ish library implementation, but many
464
64.5k
  // of the signatures are wrong -- for example, many libm functions are not
465
64.5k
  // extern "C".
466
64.5k
  //
467
64.5k
  // libdevice, an IR library provided by nvidia, is linked in by the front-end,
468
64.5k
  // but only used functions are provided to llvm.  Moreover, most of the
469
64.5k
  // functions in libdevice don't map precisely to standard library functions.
470
64.5k
  //
471
64.5k
  // FIXME: Having no standard library prevents e.g. many fastmath
472
64.5k
  // optimizations, so this situation should be fixed.
473
64.5k
  if (
T.isNVPTX()64.5k
) {
474
177
    TLI.disableAllFunctions();
475
177
    TLI.setAvailable(LibFunc_nvvm_reflect);
476
64.5k
  } else {
477
64.4k
    TLI.setUnavailable(LibFunc_nvvm_reflect);
478
64.4k
  }
479
65.1k
480
65.1k
  TLI.addVectorizableFunctionsFromVecLib(ClVectorLibrary);
481
65.1k
}
482
483
1.45k
TargetLibraryInfoImpl::TargetLibraryInfoImpl() {
484
1.45k
  // Default to everything being available.
485
1.45k
  memset(AvailableArray, -1, sizeof(AvailableArray));
486
1.45k
487
1.45k
  initialize(*this, Triple(), StandardNames);
488
1.45k
}
489
490
63.6k
TargetLibraryInfoImpl::TargetLibraryInfoImpl(const Triple &T) {
491
63.6k
  // Default to everything being available.
492
63.6k
  memset(AvailableArray, -1, sizeof(AvailableArray));
493
63.6k
494
63.6k
  initialize(*this, T, StandardNames);
495
63.6k
}
496
497
TargetLibraryInfoImpl::TargetLibraryInfoImpl(const TargetLibraryInfoImpl &TLI)
498
    : CustomNames(TLI.CustomNames), ShouldExtI32Param(TLI.ShouldExtI32Param),
499
      ShouldExtI32Return(TLI.ShouldExtI32Return),
500
84.7k
      ShouldSignExtI32Param(TLI.ShouldSignExtI32Param) {
501
84.7k
  memcpy(AvailableArray, TLI.AvailableArray, sizeof(AvailableArray));
502
84.7k
  VectorDescs = TLI.VectorDescs;
503
84.7k
  ScalarDescs = TLI.ScalarDescs;
504
84.7k
}
505
506
TargetLibraryInfoImpl::TargetLibraryInfoImpl(TargetLibraryInfoImpl &&TLI)
507
    : CustomNames(std::move(TLI.CustomNames)),
508
      ShouldExtI32Param(TLI.ShouldExtI32Param),
509
      ShouldExtI32Return(TLI.ShouldExtI32Return),
510
108
      ShouldSignExtI32Param(TLI.ShouldSignExtI32Param) {
511
108
  std::move(std::begin(TLI.AvailableArray), std::end(TLI.AvailableArray),
512
108
            AvailableArray);
513
108
  VectorDescs = TLI.VectorDescs;
514
108
  ScalarDescs = TLI.ScalarDescs;
515
108
}
516
517
0
TargetLibraryInfoImpl &TargetLibraryInfoImpl::operator=(const TargetLibraryInfoImpl &TLI) {
518
0
  CustomNames = TLI.CustomNames;
519
0
  ShouldExtI32Param = TLI.ShouldExtI32Param;
520
0
  ShouldExtI32Return = TLI.ShouldExtI32Return;
521
0
  ShouldSignExtI32Param = TLI.ShouldSignExtI32Param;
522
0
  memcpy(AvailableArray, TLI.AvailableArray, sizeof(AvailableArray));
523
0
  return *this;
524
0
}
525
526
0
TargetLibraryInfoImpl &TargetLibraryInfoImpl::operator=(TargetLibraryInfoImpl &&TLI) {
527
0
  CustomNames = std::move(TLI.CustomNames);
528
0
  ShouldExtI32Param = TLI.ShouldExtI32Param;
529
0
  ShouldExtI32Return = TLI.ShouldExtI32Return;
530
0
  ShouldSignExtI32Param = TLI.ShouldSignExtI32Param;
531
0
  std::move(std::begin(TLI.AvailableArray), std::end(TLI.AvailableArray),
532
0
            AvailableArray);
533
0
  return *this;
534
0
}
535
536
100M
static StringRef sanitizeFunctionName(StringRef funcName) {
537
100M
  // Filter out empty names and names containing null bytes, those can't be in
538
100M
  // our table.
539
100M
  if (
funcName.empty() || 100M
funcName.find('\0') != StringRef::npos100M
)
540
38
    return StringRef();
541
100M
542
100M
  // Check for \01 prefix that is used to mangle __asm declarations and
543
100M
  // strip it if present.
544
100M
  return GlobalValue::dropLLVMManglingEscape(funcName);
545
100M
}
546
547
bool TargetLibraryInfoImpl::getLibFunc(StringRef funcName,
548
100M
                                       LibFunc &F) const {
549
100M
  StringRef const *Start = &StandardNames[0];
550
100M
  StringRef const *End = &StandardNames[NumLibFuncs];
551
100M
552
100M
  funcName = sanitizeFunctionName(funcName);
553
100M
  if (funcName.empty())
554
38
    return false;
555
100M
556
100M
  StringRef const *I = std::lower_bound(
557
891M
      Start, End, funcName, [](StringRef LHS, StringRef RHS) {
558
891M
        return LHS < RHS;
559
891M
      });
560
100M
  if (
I != End && 100M
*I == funcName100M
) {
561
24.6M
    F = (LibFunc)(I - Start);
562
24.6M
    return true;
563
24.6M
  }
564
76.1M
  return false;
565
76.1M
}
566
567
bool TargetLibraryInfoImpl::isValidProtoForLibFunc(const FunctionType &FTy,
568
                                                   LibFunc F,
569
9.32M
                                                   const DataLayout *DL) const {
570
9.32M
  LLVMContext &Ctx = FTy.getContext();
571
9.32M
  Type *PCharTy = Type::getInt8PtrTy(Ctx);
572
9.32M
  Type *SizeTTy = DL ? 
DL->getIntPtrType(Ctx, /*AS=*/0)9.32M
:
nullptr0
;
573
996k
  auto IsSizeTTy = [SizeTTy](Type *Ty) {
574
996k
    return SizeTTy ? 
Ty == SizeTTy996k
:
Ty->isIntegerTy()0
;
575
996k
  };
576
9.32M
  unsigned NumParams = FTy.getNumParams();
577
9.32M
578
9.32M
  switch (F) {
579
264k
  case LibFunc_strlen:
580
264k
    return (NumParams == 1 && FTy.getParamType(0)->isPointerTy() &&
581
264k
            FTy.getReturnType()->isIntegerTy());
582
9.32M
583
27.4k
  case LibFunc_strchr:
584
27.4k
  case LibFunc_strrchr:
585
27.4k
    return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
586
27.4k
            FTy.getParamType(0) == FTy.getReturnType() &&
587
27.4k
            FTy.getParamType(1)->isIntegerTy());
588
27.4k
589
2.19k
  case LibFunc_strtol:
590
2.19k
  case LibFunc_strtod:
591
2.19k
  case LibFunc_strtof:
592
2.19k
  case LibFunc_strtoul:
593
2.19k
  case LibFunc_strtoll:
594
2.19k
  case LibFunc_strtold:
595
2.19k
  case LibFunc_strtoull:
596
2.07k
    return ((NumParams == 2 || NumParams == 3) &&
597
2.17k
            FTy.getParamType(0)->isPointerTy() &&
598
2.17k
            FTy.getParamType(1)->isPointerTy());
599
5.86k
  case LibFunc_strcat:
600
5.85k
    return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
601
5.85k
            FTy.getParamType(0) == FTy.getReturnType() &&
602
5.86k
            FTy.getParamType(1) == FTy.getReturnType());
603
2.19k
604
48
  case LibFunc_strncat:
605
45
    return (NumParams == 3 && FTy.getReturnType()->isPointerTy() &&
606
45
            FTy.getParamType(0) == FTy.getReturnType() &&
607
41
            FTy.getParamType(1) == FTy.getReturnType() &&
608
48
            FTy.getParamType(2)->isIntegerTy());
609
2.19k
610
64.8k
  case LibFunc_strcpy_chk:
611
64.8k
  case LibFunc_stpcpy_chk:
612
64.8k
    --NumParams;
613
64.8k
    if (!IsSizeTTy(FTy.getParamType(NumParams)))
614
2
      return false;
615
64.8k
    
LLVM_FALLTHROUGH64.8k
;
616
89.2k
  case LibFunc_strcpy:
617
89.2k
  case LibFunc_stpcpy:
618
89.2k
    return (NumParams == 2 && FTy.getReturnType() == FTy.getParamType(0) &&
619
89.2k
            FTy.getParamType(0) == FTy.getParamType(1) &&
620
89.2k
            FTy.getParamType(0) == PCharTy);
621
89.2k
622
19.3k
  case LibFunc_strncpy_chk:
623
19.3k
  case LibFunc_stpncpy_chk:
624
19.3k
    --NumParams;
625
19.3k
    if (!IsSizeTTy(FTy.getParamType(NumParams)))
626
2
      return false;
627
19.3k
    
LLVM_FALLTHROUGH19.3k
;
628
28.4k
  case LibFunc_strncpy:
629
28.4k
  case LibFunc_stpncpy:
630
28.4k
    return (NumParams == 3 && FTy.getReturnType() == FTy.getParamType(0) &&
631
28.4k
            FTy.getParamType(0) == FTy.getParamType(1) &&
632
28.4k
            FTy.getParamType(0) == PCharTy &&
633
28.4k
            FTy.getParamType(2)->isIntegerTy());
634
28.4k
635
9
  case LibFunc_strxfrm:
636
6
    return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
637
9
            FTy.getParamType(1)->isPointerTy());
638
28.4k
639
611k
  case LibFunc_strcmp:
640
611k
    return (NumParams == 2 && FTy.getReturnType()->isIntegerTy(32) &&
641
611k
            FTy.getParamType(0)->isPointerTy() &&
642
611k
            FTy.getParamType(0) == FTy.getParamType(1));
643
28.4k
644
48.3k
  case LibFunc_strncmp:
645
48.3k
    return (NumParams == 3 && FTy.getReturnType()->isIntegerTy(32) &&
646
48.3k
            FTy.getParamType(0)->isPointerTy() &&
647
48.3k
            FTy.getParamType(0) == FTy.getParamType(1) &&
648
48.3k
            FTy.getParamType(2)->isIntegerTy());
649
28.4k
650
1.16k
  case LibFunc_strspn:
651
1.16k
  case LibFunc_strcspn:
652
1.16k
    return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() &&
653
1.16k
            FTy.getParamType(0) == FTy.getParamType(1) &&
654
1.16k
            FTy.getReturnType()->isIntegerTy());
655
1.16k
656
13.6k
  case LibFunc_strcoll:
657
13.6k
  case LibFunc_strcasecmp:
658
13.6k
  case LibFunc_strncasecmp:
659
13.6k
    return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
660
13.6k
            FTy.getParamType(1)->isPointerTy());
661
13.6k
662
7.00k
  case LibFunc_strstr:
663
7.00k
    return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
664
7.00k
            FTy.getParamType(0)->isPointerTy() &&
665
7.00k
            FTy.getParamType(1)->isPointerTy());
666
13.6k
667
412
  case LibFunc_strpbrk:
668
409
    return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() &&
669
409
            FTy.getReturnType() == FTy.getParamType(0) &&
670
412
            FTy.getParamType(0) == FTy.getParamType(1));
671
13.6k
672
2.32k
  case LibFunc_strtok:
673
2.32k
  case LibFunc_strtok_r:
674
2.32k
    return (NumParams >= 2 && FTy.getParamType(1)->isPointerTy());
675
5.72k
  case LibFunc_scanf:
676
5.72k
  case LibFunc_setbuf:
677
5.72k
  case LibFunc_setvbuf:
678
5.71k
    return (NumParams >= 1 && FTy.getParamType(0)->isPointerTy());
679
663
  case LibFunc_strdup:
680
663
  case LibFunc_strndup:
681
657
    return (NumParams >= 1 && FTy.getReturnType()->isPointerTy() &&
682
657
            FTy.getParamType(0)->isPointerTy());
683
40.6k
  case LibFunc_sscanf:
684
40.6k
  case LibFunc_stat:
685
40.6k
  case LibFunc_statvfs:
686
40.6k
  case LibFunc_siprintf:
687
40.6k
  case LibFunc_sprintf:
688
40.6k
    return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
689
40.6k
            FTy.getParamType(1)->isPointerTy());
690
369
  case LibFunc_snprintf:
691
366
    return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
692
369
            FTy.getParamType(2)->isPointerTy());
693
9
  case LibFunc_setitimer:
694
6
    return (NumParams == 3 && FTy.getParamType(1)->isPointerTy() &&
695
9
            FTy.getParamType(2)->isPointerTy());
696
9
  case LibFunc_system:
697
9
    return (NumParams == 1 && FTy.getParamType(0)->isPointerTy());
698
53.7k
  case LibFunc_malloc:
699
53.7k
    return (NumParams == 1 && FTy.getReturnType()->isPointerTy());
700
33.3k
  case LibFunc_memcmp:
701
33.3k
    return (NumParams == 3 && FTy.getReturnType()->isIntegerTy(32) &&
702
33.3k
            FTy.getParamType(0)->isPointerTy() &&
703
33.3k
            FTy.getParamType(1)->isPointerTy());
704
40.6k
705
4.10k
  case LibFunc_memchr:
706
4.10k
  case LibFunc_memrchr:
707
4.09k
    return (NumParams == 3 && FTy.getReturnType()->isPointerTy() &&
708
4.09k
            FTy.getReturnType() == FTy.getParamType(0) &&
709
4.09k
            FTy.getParamType(1)->isIntegerTy(32) &&
710
4.09k
            IsSizeTTy(FTy.getParamType(2)));
711
193
  case LibFunc_modf:
712
193
  case LibFunc_modff:
713
193
  case LibFunc_modfl:
714
184
    return (NumParams >= 2 && FTy.getParamType(1)->isPointerTy());
715
193
716
235k
  case LibFunc_memcpy_chk:
717
235k
  case LibFunc_memmove_chk:
718
235k
    --NumParams;
719
235k
    if (!IsSizeTTy(FTy.getParamType(NumParams)))
720
2
      return false;
721
235k
    
LLVM_FALLTHROUGH235k
;
722
269k
  case LibFunc_memcpy:
723
269k
  case LibFunc_mempcpy:
724
269k
  case LibFunc_memmove:
725
269k
    return (NumParams == 3 && FTy.getReturnType() == FTy.getParamType(0) &&
726
269k
            FTy.getParamType(0)->isPointerTy() &&
727
269k
            FTy.getParamType(1)->isPointerTy() &&
728
269k
            IsSizeTTy(FTy.getParamType(2)));
729
269k
730
171k
  case LibFunc_memset_chk:
731
171k
    --NumParams;
732
171k
    if (!IsSizeTTy(FTy.getParamType(NumParams)))
733
10
      return false;
734
170k
    
LLVM_FALLTHROUGH170k
;
735
176k
  case LibFunc_memset:
736
176k
    return (NumParams == 3 && FTy.getReturnType() == FTy.getParamType(0) &&
737
176k
            FTy.getParamType(0)->isPointerTy() &&
738
176k
            FTy.getParamType(1)->isIntegerTy() &&
739
176k
            IsSizeTTy(FTy.getParamType(2)));
740
170k
741
9
  case LibFunc_memccpy:
742
9
    return (NumParams >= 2 && FTy.getParamType(1)->isPointerTy());
743
8
  case LibFunc_memalign:
744
8
    return (FTy.getReturnType()->isPointerTy());
745
55.7k
  case LibFunc_realloc:
746
55.7k
  case LibFunc_reallocf:
747
55.7k
    return (NumParams == 2 && FTy.getReturnType() == PCharTy &&
748
55.7k
            FTy.getParamType(0) == FTy.getReturnType() &&
749
55.7k
            IsSizeTTy(FTy.getParamType(1)));
750
13
  case LibFunc_read:
751
13
    return (NumParams == 3 && FTy.getParamType(1)->isPointerTy());
752
9.77k
  case LibFunc_rewind:
753
9.77k
  case LibFunc_rmdir:
754
9.77k
  case LibFunc_remove:
755
9.77k
  case LibFunc_realpath:
756
9.76k
    return (NumParams >= 1 && FTy.getParamType(0)->isPointerTy());
757
952
  case LibFunc_rename:
758
949
    return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
759
952
            FTy.getParamType(1)->isPointerTy());
760
237
  case LibFunc_readlink:
761
234
    return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
762
237
            FTy.getParamType(1)->isPointerTy());
763
11.1k
  case LibFunc_write:
764
11.1k
    return (NumParams == 3 && FTy.getParamType(1)->isPointerTy());
765
922
  case LibFunc_bcopy:
766
922
  case LibFunc_bcmp:
767
916
    return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
768
916
            FTy.getParamType(1)->isPointerTy());
769
9
  case LibFunc_bzero:
770
9
    return (NumParams == 2 && FTy.getParamType(0)->isPointerTy());
771
8.50k
  case LibFunc_calloc:
772
8.50k
    return (NumParams == 2 && FTy.getReturnType()->isPointerTy());
773
922
774
3.73M
  case LibFunc_atof:
775
3.73M
  case LibFunc_atoi:
776
3.73M
  case LibFunc_atol:
777
3.73M
  case LibFunc_atoll:
778
3.73M
  case LibFunc_ferror:
779
3.73M
  case LibFunc_getenv:
780
3.73M
  case LibFunc_getpwnam:
781
3.73M
  case LibFunc_iprintf:
782
3.73M
  case LibFunc_pclose:
783
3.73M
  case LibFunc_perror:
784
3.73M
  case LibFunc_printf:
785
3.73M
  case LibFunc_puts:
786
3.73M
  case LibFunc_uname:
787
3.73M
  case LibFunc_under_IO_getc:
788
3.73M
  case LibFunc_unlink:
789
3.73M
  case LibFunc_unsetenv:
790
3.73M
    return (NumParams == 1 && FTy.getParamType(0)->isPointerTy());
791
3.73M
792
880k
  case LibFunc_access:
793
880k
  case LibFunc_chmod:
794
880k
  case LibFunc_chown:
795
880k
  case LibFunc_clearerr:
796
880k
  case LibFunc_closedir:
797
880k
  case LibFunc_ctermid:
798
880k
  case LibFunc_fclose:
799
880k
  case LibFunc_feof:
800
880k
  case LibFunc_fflush:
801
880k
  case LibFunc_fgetc:
802
880k
  case LibFunc_fileno:
803
880k
  case LibFunc_flockfile:
804
880k
  case LibFunc_free:
805
880k
  case LibFunc_fseek:
806
880k
  case LibFunc_fseeko64:
807
880k
  case LibFunc_fseeko:
808
880k
  case LibFunc_fsetpos:
809
880k
  case LibFunc_ftell:
810
880k
  case LibFunc_ftello64:
811
880k
  case LibFunc_ftello:
812
880k
  case LibFunc_ftrylockfile:
813
880k
  case LibFunc_funlockfile:
814
880k
  case LibFunc_getc:
815
880k
  case LibFunc_getc_unlocked:
816
880k
  case LibFunc_getlogin_r:
817
880k
  case LibFunc_mkdir:
818
880k
  case LibFunc_mktime:
819
880k
  case LibFunc_times:
820
880k
    return (NumParams != 0 && FTy.getParamType(0)->isPointerTy());
821
880k
822
25.2k
  case LibFunc_fopen:
823
25.2k
    return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
824
25.2k
            FTy.getParamType(0)->isPointerTy() &&
825
25.2k
            FTy.getParamType(1)->isPointerTy());
826
9
  case LibFunc_fdopen:
827
6
    return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
828
9
            FTy.getParamType(1)->isPointerTy());
829
67.6k
  case LibFunc_fputc:
830
67.6k
  case LibFunc_fstat:
831
67.6k
  case LibFunc_frexp:
832
67.6k
  case LibFunc_frexpf:
833
67.6k
  case LibFunc_frexpl:
834
67.6k
  case LibFunc_fstatvfs:
835
67.6k
    return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
836
39.5k
  case LibFunc_fgets:
837
39.5k
    return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
838
39.5k
            FTy.getParamType(2)->isPointerTy());
839
21.9k
  case LibFunc_fread:
840
21.9k
    return (NumParams == 4 && FTy.getParamType(0)->isPointerTy() &&
841
21.9k
            FTy.getParamType(3)->isPointerTy());
842
507k
  case LibFunc_fwrite:
843
507k
    return (NumParams == 4 && FTy.getReturnType()->isIntegerTy() &&
844
507k
            FTy.getParamType(0)->isPointerTy() &&
845
507k
            FTy.getParamType(1)->isIntegerTy() &&
846
507k
            FTy.getParamType(2)->isIntegerTy() &&
847
507k
            FTy.getParamType(3)->isPointerTy());
848
14.3k
  case LibFunc_fputs:
849
14.3k
    return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
850
14.3k
            FTy.getParamType(1)->isPointerTy());
851
725k
  case LibFunc_fscanf:
852
725k
  case LibFunc_fiprintf:
853
725k
  case LibFunc_fprintf:
854
725k
    return (NumParams >= 2 && FTy.getReturnType()->isIntegerTy() &&
855
725k
            FTy.getParamType(0)->isPointerTy() &&
856
725k
            FTy.getParamType(1)->isPointerTy());
857
189
  case LibFunc_fgetpos:
858
186
    return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
859
189
            FTy.getParamType(1)->isPointerTy());
860
5.01k
  case LibFunc_getchar:
861
5.01k
    return (NumParams == 0 && FTy.getReturnType()->isIntegerTy());
862
175
  case LibFunc_gets:
863
175
    return (NumParams == 1 && FTy.getParamType(0) == PCharTy);
864
9
  case LibFunc_getitimer:
865
9
    return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
866
16.9k
  case LibFunc_ungetc:
867
16.9k
    return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
868
928
  case LibFunc_utime:
869
928
  case LibFunc_utimes:
870
922
    return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() &&
871
922
            FTy.getParamType(1)->isPointerTy());
872
81.6k
  case LibFunc_putc:
873
81.6k
    return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
874
18
  case LibFunc_pread:
875
18
  case LibFunc_pwrite:
876
12
    return (NumParams == 4 && FTy.getParamType(1)->isPointerTy());
877
9
  case LibFunc_popen:
878
6
    return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
879
6
            FTy.getParamType(0)->isPointerTy() &&
880
9
            FTy.getParamType(1)->isPointerTy());
881
9
  case LibFunc_vscanf:
882
9
    return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
883
9
  case LibFunc_vsscanf:
884
6
    return (NumParams == 3 && FTy.getParamType(1)->isPointerTy() &&
885
9
            FTy.getParamType(2)->isPointerTy());
886
9
  case LibFunc_vfscanf:
887
6
    return (NumParams == 3 && FTy.getParamType(1)->isPointerTy() &&
888
9
            FTy.getParamType(2)->isPointerTy());
889
16
  case LibFunc_valloc:
890
16
    return (FTy.getReturnType()->isPointerTy());
891
13
  case LibFunc_vprintf:
892
13
    return (NumParams == 2 && FTy.getParamType(0)->isPointerTy());
893
2.07k
  case LibFunc_vfprintf:
894
2.07k
  case LibFunc_vsprintf:
895
2.06k
    return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
896
2.06k
            FTy.getParamType(1)->isPointerTy());
897
9
  case LibFunc_vsnprintf:
898
6
    return (NumParams == 4 && FTy.getParamType(0)->isPointerTy() &&
899
9
            FTy.getParamType(2)->isPointerTy());
900
22.2k
  case LibFunc_open:
901
22.2k
    return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy());
902
9
  case LibFunc_opendir:
903
6
    return (NumParams == 1 && FTy.getReturnType()->isPointerTy() &&
904
9
            FTy.getParamType(0)->isPointerTy());
905
230
  case LibFunc_tmpfile:
906
230
    return (FTy.getReturnType()->isPointerTy());
907
5
  case LibFunc_htonl:
908
5
  case LibFunc_ntohl:
909
3
    return (NumParams == 1 && FTy.getReturnType()->isIntegerTy(32) &&
910
3
            FTy.getReturnType() == FTy.getParamType(0));
911
4
  case LibFunc_htons:
912
4
  case LibFunc_ntohs:
913
2
    return (NumParams == 1 && FTy.getReturnType()->isIntegerTy(16) &&
914
2
            FTy.getReturnType() == FTy.getParamType(0));
915
9
  case LibFunc_lstat:
916
6
    return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() &&
917
9
            FTy.getParamType(1)->isPointerTy());
918
9
  case LibFunc_lchown:
919
9
    return (NumParams == 3 && FTy.getParamType(0)->isPointerTy());
920
16.7k
  case LibFunc_qsort:
921
16.7k
    return (NumParams == 4 && FTy.getParamType(3)->isPointerTy());
922
3
  case LibFunc_dunder_strdup:
923
3
  case LibFunc_dunder_strndup:
924
2
    return (NumParams >= 1 && FTy.getReturnType()->isPointerTy() &&
925
2
            FTy.getParamType(0)->isPointerTy());
926
1
  case LibFunc_dunder_strtok_r:
927
1
    return (NumParams == 3 && FTy.getParamType(1)->isPointerTy());
928
1
  case LibFunc_under_IO_putc:
929
1
    return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
930
1
  case LibFunc_dunder_isoc99_scanf:
931
1
    return (NumParams >= 1 && FTy.getParamType(0)->isPointerTy());
932
25
  case LibFunc_stat64:
933
25
  case LibFunc_lstat64:
934
25
  case LibFunc_statvfs64:
935
18
    return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() &&
936
18
            FTy.getParamType(1)->isPointerTy());
937
1
  case LibFunc_dunder_isoc99_sscanf:
938
1
    return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
939
1
            FTy.getParamType(1)->isPointerTy());
940
1
  case LibFunc_fopen64:
941
1
    return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
942
1
            FTy.getParamType(0)->isPointerTy() &&
943
1
            FTy.getParamType(1)->isPointerTy());
944
8
  case LibFunc_tmpfile64:
945
8
    return (FTy.getReturnType()->isPointerTy());
946
16
  case LibFunc_fstat64:
947
16
  case LibFunc_fstatvfs64:
948
12
    return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
949
8
  case LibFunc_open64:
950
8
    return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy());
951
22.3k
  case LibFunc_gettimeofday:
952
22.3k
    return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() &&
953
22.3k
            FTy.getParamType(1)->isPointerTy());
954
16
955
16
  // new(unsigned int);
956
8.09k
  case LibFunc_Znwj:
957
8.09k
  // new(unsigned long);
958
8.09k
  case LibFunc_Znwm:
959
8.09k
  // new[](unsigned int);
960
8.09k
  case LibFunc_Znaj:
961
8.09k
  // new[](unsigned long);
962
8.09k
  case LibFunc_Znam:
963
8.09k
  // new(unsigned int);
964
8.09k
  case LibFunc_msvc_new_int:
965
8.09k
  // new(unsigned long long);
966
8.09k
  case LibFunc_msvc_new_longlong:
967
8.09k
  // new[](unsigned int);
968
8.09k
  case LibFunc_msvc_new_array_int:
969
8.09k
  // new[](unsigned long long);
970
8.09k
  case LibFunc_msvc_new_array_longlong:
971
8.08k
    return (NumParams == 1 && FTy.getReturnType()->isPointerTy());
972
8.09k
973
8.09k
  // new(unsigned int, nothrow);
974
16
  case LibFunc_ZnwjRKSt9nothrow_t:
975
16
  // new(unsigned long, nothrow);
976
16
  case LibFunc_ZnwmRKSt9nothrow_t:
977
16
  // new[](unsigned int, nothrow);
978
16
  case LibFunc_ZnajRKSt9nothrow_t:
979
16
  // new[](unsigned long, nothrow);
980
16
  case LibFunc_ZnamRKSt9nothrow_t:
981
16
  // new(unsigned int, nothrow);
982
16
  case LibFunc_msvc_new_int_nothrow:
983
16
  // new(unsigned long long, nothrow);
984
16
  case LibFunc_msvc_new_longlong_nothrow:
985
16
  // new[](unsigned int, nothrow);
986
16
  case LibFunc_msvc_new_array_int_nothrow:
987
16
  // new[](unsigned long long, nothrow);
988
16
  case LibFunc_msvc_new_array_longlong_nothrow:
989
8
    return (NumParams == 2 && FTy.getReturnType()->isPointerTy());
990
16
991
16
  // void operator delete[](void*);
992
293k
  case LibFunc_ZdaPv:
993
293k
  // void operator delete(void*);
994
293k
  case LibFunc_ZdlPv:
995
293k
  // void operator delete[](void*);
996
293k
  case LibFunc_msvc_delete_array_ptr32:
997
293k
  // void operator delete[](void*);
998
293k
  case LibFunc_msvc_delete_array_ptr64:
999
293k
  // void operator delete(void*);
1000
293k
  case LibFunc_msvc_delete_ptr32:
1001
293k
  // void operator delete(void*);
1002
293k
  case LibFunc_msvc_delete_ptr64:
1003
293k
    return (NumParams == 1 && FTy.getParamType(0)->isPointerTy());
1004
293k
1005
293k
  // void operator delete[](void*, nothrow);
1006
33
  case LibFunc_ZdaPvRKSt9nothrow_t:
1007
33
  // void operator delete[](void*, unsigned int);
1008
33
  case LibFunc_ZdaPvj:
1009
33
  // void operator delete[](void*, unsigned long);
1010
33
  case LibFunc_ZdaPvm:
1011
33
  // void operator delete(void*, nothrow);
1012
33
  case LibFunc_ZdlPvRKSt9nothrow_t:
1013
33
  // void operator delete(void*, unsigned int);
1014
33
  case LibFunc_ZdlPvj:
1015
33
  // void operator delete(void*, unsigned long);
1016
33
  case LibFunc_ZdlPvm:
1017
33
  // void operator delete[](void*, unsigned int);
1018
33
  case LibFunc_msvc_delete_array_ptr32_int:
1019
33
  // void operator delete[](void*, nothrow);
1020
33
  case LibFunc_msvc_delete_array_ptr32_nothrow:
1021
33
  // void operator delete[](void*, unsigned long long);
1022
33
  case LibFunc_msvc_delete_array_ptr64_longlong:
1023
33
  // void operator delete[](void*, nothrow);
1024
33
  case LibFunc_msvc_delete_array_ptr64_nothrow:
1025
33
  // void operator delete(void*, unsigned int);
1026
33
  case LibFunc_msvc_delete_ptr32_int:
1027
33
  // void operator delete(void*, nothrow);
1028
33
  case LibFunc_msvc_delete_ptr32_nothrow:
1029
33
  // void operator delete(void*, unsigned long long);
1030
33
  case LibFunc_msvc_delete_ptr64_longlong:
1031
33
  // void operator delete(void*, nothrow);
1032
33
  case LibFunc_msvc_delete_ptr64_nothrow:
1033
19
    return (NumParams == 2 && FTy.getParamType(0)->isPointerTy());
1034
33
1035
556k
  case LibFunc_memset_pattern16:
1036
556k
    return (!FTy.isVarArg() && NumParams == 3 &&
1037
556k
            FTy.getParamType(0)->isPointerTy() &&
1038
556k
            FTy.getParamType(1)->isPointerTy() &&
1039
556k
            FTy.getParamType(2)->isIntegerTy());
1040
33
1041
38.5k
  case LibFunc_cxa_guard_abort:
1042
38.5k
  case LibFunc_cxa_guard_acquire:
1043
38.5k
  case LibFunc_cxa_guard_release:
1044
38.5k
  case LibFunc_nvvm_reflect:
1045
38.5k
    return (NumParams == 1 && FTy.getParamType(0)->isPointerTy());
1046
38.5k
1047
38
  case LibFunc_sincospi_stret:
1048
38
  case LibFunc_sincospif_stret:
1049
38
    return (NumParams == 1 && FTy.getParamType(0)->isFloatingPointTy());
1050
38
1051
275k
  case LibFunc_acos:
1052
275k
  case LibFunc_acos_finite:
1053
275k
  case LibFunc_acosf:
1054
275k
  case LibFunc_acosf_finite:
1055
275k
  case LibFunc_acosh:
1056
275k
  case LibFunc_acosh_finite:
1057
275k
  case LibFunc_acoshf:
1058
275k
  case LibFunc_acoshf_finite:
1059
275k
  case LibFunc_acoshl:
1060
275k
  case LibFunc_acoshl_finite:
1061
275k
  case LibFunc_acosl:
1062
275k
  case LibFunc_acosl_finite:
1063
275k
  case LibFunc_asin:
1064
275k
  case LibFunc_asin_finite:
1065
275k
  case LibFunc_asinf:
1066
275k
  case LibFunc_asinf_finite:
1067
275k
  case LibFunc_asinh:
1068
275k
  case LibFunc_asinhf:
1069
275k
  case LibFunc_asinhl:
1070
275k
  case LibFunc_asinl:
1071
275k
  case LibFunc_asinl_finite:
1072
275k
  case LibFunc_atan:
1073
275k
  case LibFunc_atanf:
1074
275k
  case LibFunc_atanh:
1075
275k
  case LibFunc_atanh_finite:
1076
275k
  case LibFunc_atanhf:
1077
275k
  case LibFunc_atanhf_finite:
1078
275k
  case LibFunc_atanhl:
1079
275k
  case LibFunc_atanhl_finite:
1080
275k
  case LibFunc_atanl:
1081
275k
  case LibFunc_cbrt:
1082
275k
  case LibFunc_cbrtf:
1083
275k
  case LibFunc_cbrtl:
1084
275k
  case LibFunc_ceil:
1085
275k
  case LibFunc_ceilf:
1086
275k
  case LibFunc_ceill:
1087
275k
  case LibFunc_cos:
1088
275k
  case LibFunc_cosf:
1089
275k
  case LibFunc_cosh:
1090
275k
  case LibFunc_cosh_finite:
1091
275k
  case LibFunc_coshf:
1092
275k
  case LibFunc_coshf_finite:
1093
275k
  case LibFunc_coshl:
1094
275k
  case LibFunc_coshl_finite:
1095
275k
  case LibFunc_cosl:
1096
275k
  case LibFunc_exp10:
1097
275k
  case LibFunc_exp10_finite:
1098
275k
  case LibFunc_exp10f:
1099
275k
  case LibFunc_exp10f_finite:
1100
275k
  case LibFunc_exp10l:
1101
275k
  case LibFunc_exp10l_finite:
1102
275k
  case LibFunc_exp2:
1103
275k
  case LibFunc_exp2_finite:
1104
275k
  case LibFunc_exp2f:
1105
275k
  case LibFunc_exp2f_finite:
1106
275k
  case LibFunc_exp2l:
1107
275k
  case LibFunc_exp2l_finite:
1108
275k
  case LibFunc_exp:
1109
275k
  case LibFunc_exp_finite:
1110
275k
  case LibFunc_expf:
1111
275k
  case LibFunc_expf_finite:
1112
275k
  case LibFunc_expl:
1113
275k
  case LibFunc_expl_finite:
1114
275k
  case LibFunc_expm1:
1115
275k
  case LibFunc_expm1f:
1116
275k
  case LibFunc_expm1l:
1117
275k
  case LibFunc_fabs:
1118
275k
  case LibFunc_fabsf:
1119
275k
  case LibFunc_fabsl:
1120
275k
  case LibFunc_floor:
1121
275k
  case LibFunc_floorf:
1122
275k
  case LibFunc_floorl:
1123
275k
  case LibFunc_log10:
1124
275k
  case LibFunc_log10_finite:
1125
275k
  case LibFunc_log10f:
1126
275k
  case LibFunc_log10f_finite:
1127
275k
  case LibFunc_log10l:
1128
275k
  case LibFunc_log10l_finite:
1129
275k
  case LibFunc_log1p:
1130
275k
  case LibFunc_log1pf:
1131
275k
  case LibFunc_log1pl:
1132
275k
  case LibFunc_log2:
1133
275k
  case LibFunc_log2_finite:
1134
275k
  case LibFunc_log2f:
1135
275k
  case LibFunc_log2f_finite:
1136
275k
  case LibFunc_log2l:
1137
275k
  case LibFunc_log2l_finite:
1138
275k
  case LibFunc_log:
1139
275k
  case LibFunc_log_finite:
1140
275k
  case LibFunc_logb:
1141
275k
  case LibFunc_logbf:
1142
275k
  case LibFunc_logbl:
1143
275k
  case LibFunc_logf:
1144
275k
  case LibFunc_logf_finite:
1145
275k
  case LibFunc_logl:
1146
275k
  case LibFunc_logl_finite:
1147
275k
  case LibFunc_nearbyint:
1148
275k
  case LibFunc_nearbyintf:
1149
275k
  case LibFunc_nearbyintl:
1150
275k
  case LibFunc_rint:
1151
275k
  case LibFunc_rintf:
1152
275k
  case LibFunc_rintl:
1153
275k
  case LibFunc_round:
1154
275k
  case LibFunc_roundf:
1155
275k
  case LibFunc_roundl:
1156
275k
  case LibFunc_sin:
1157
275k
  case LibFunc_sinf:
1158
275k
  case LibFunc_sinh:
1159
275k
  case LibFunc_sinh_finite:
1160
275k
  case LibFunc_sinhf:
1161
275k
  case LibFunc_sinhf_finite:
1162
275k
  case LibFunc_sinhl:
1163
275k
  case LibFunc_sinhl_finite:
1164
275k
  case LibFunc_sinl:
1165
275k
  case LibFunc_sqrt:
1166
275k
  case LibFunc_sqrt_finite:
1167
275k
  case LibFunc_sqrtf:
1168
275k
  case LibFunc_sqrtf_finite:
1169
275k
  case LibFunc_sqrtl:
1170
275k
  case LibFunc_sqrtl_finite:
1171
275k
  case LibFunc_tan:
1172
275k
  case LibFunc_tanf:
1173
275k
  case LibFunc_tanh:
1174
275k
  case LibFunc_tanhf:
1175
275k
  case LibFunc_tanhl:
1176
275k
  case LibFunc_tanl:
1177
275k
  case LibFunc_trunc:
1178
275k
  case LibFunc_truncf:
1179
275k
  case LibFunc_truncl:
1180
275k
    return (NumParams == 1 && FTy.getReturnType()->isFloatingPointTy() &&
1181
275k
            FTy.getReturnType() == FTy.getParamType(0));
1182
275k
1183
21.8k
  case LibFunc_atan2:
1184
21.8k
  case LibFunc_atan2_finite:
1185
21.8k
  case LibFunc_atan2f:
1186
21.8k
  case LibFunc_atan2f_finite:
1187
21.8k
  case LibFunc_atan2l:
1188
21.8k
  case LibFunc_atan2l_finite:
1189
21.8k
  case LibFunc_fmin:
1190
21.8k
  case LibFunc_fminf:
1191
21.8k
  case LibFunc_fminl:
1192
21.8k
  case LibFunc_fmax:
1193
21.8k
  case LibFunc_fmaxf:
1194
21.8k
  case LibFunc_fmaxl:
1195
21.8k
  case LibFunc_fmod:
1196
21.8k
  case LibFunc_fmodf:
1197
21.8k
  case LibFunc_fmodl:
1198
21.8k
  case LibFunc_copysign:
1199
21.8k
  case LibFunc_copysignf:
1200
21.8k
  case LibFunc_copysignl:
1201
21.8k
  case LibFunc_pow:
1202
21.8k
  case LibFunc_pow_finite:
1203
21.8k
  case LibFunc_powf:
1204
21.8k
  case LibFunc_powf_finite:
1205
21.8k
  case LibFunc_powl:
1206
21.8k
  case LibFunc_powl_finite:
1207
21.7k
    return (NumParams == 2 && FTy.getReturnType()->isFloatingPointTy() &&
1208
21.7k
            FTy.getReturnType() == FTy.getParamType(0) &&
1209
21.7k
            FTy.getReturnType() == FTy.getParamType(1));
1210
21.8k
1211
4.01k
  case LibFunc_ldexp:
1212
4.01k
  case LibFunc_ldexpf:
1213
4.01k
  case LibFunc_ldexpl:
1214
4.00k
    return (NumParams == 2 && FTy.getReturnType()->isFloatingPointTy() &&
1215
4.00k
            FTy.getReturnType() == FTy.getParamType(0) &&
1216
4.00k
            FTy.getParamType(1)->isIntegerTy(32));
1217
4.01k
1218
427
  case LibFunc_ffs:
1219
427
  case LibFunc_ffsl:
1220
427
  case LibFunc_ffsll:
1221
427
  case LibFunc_fls:
1222
427
  case LibFunc_flsl:
1223
427
  case LibFunc_flsll:
1224
414
    return (NumParams == 1 && FTy.getReturnType()->isIntegerTy(32) &&
1225
414
            FTy.getParamType(0)->isIntegerTy());
1226
427
1227
110k
  case LibFunc_isdigit:
1228
110k
  case LibFunc_isascii:
1229
110k
  case LibFunc_toascii:
1230
110k
  case LibFunc_putchar:
1231
110k
    return (NumParams == 1 && FTy.getReturnType()->isIntegerTy(32) &&
1232
110k
            FTy.getReturnType() == FTy.getParamType(0));
1233
110k
1234
362
  case LibFunc_abs:
1235
362
  case LibFunc_labs:
1236
362
  case LibFunc_llabs:
1237
353
    return (NumParams == 1 && FTy.getReturnType()->isIntegerTy() &&
1238
353
            FTy.getReturnType() == FTy.getParamType(0));
1239
362
1240
20.2k
  case LibFunc_cxa_atexit:
1241
20.2k
    return (NumParams == 3 && FTy.getReturnType()->isIntegerTy() &&
1242
20.2k
            FTy.getParamType(0)->isPointerTy() &&
1243
20.2k
            FTy.getParamType(1)->isPointerTy() &&
1244
20.2k
            FTy.getParamType(2)->isPointerTy());
1245
362
1246
92
  case LibFunc_sinpi:
1247
92
  case LibFunc_cospi:
1248
88
    return (NumParams == 1 && FTy.getReturnType()->isDoubleTy() &&
1249
88
            FTy.getReturnType() == FTy.getParamType(0));
1250
92
1251
70
  case LibFunc_sinpif:
1252
70
  case LibFunc_cospif:
1253
66
    return (NumParams == 1 && FTy.getReturnType()->isFloatTy() &&
1254
66
            FTy.getReturnType() == FTy.getParamType(0));
1255
70
1256
19
  case LibFunc_strnlen:
1257
16
    return (NumParams == 2 && FTy.getReturnType() == FTy.getParamType(1) &&
1258
16
            FTy.getParamType(0) == PCharTy &&
1259
19
            FTy.getParamType(1) == SizeTTy);
1260
70
1261
28.4k
  case LibFunc_posix_memalign:
1262
28.4k
    return (NumParams == 3 && FTy.getReturnType()->isIntegerTy(32) &&
1263
28.4k
            FTy.getParamType(0)->isPointerTy() &&
1264
28.4k
            
FTy.getParamType(1) == SizeTTy28.4k
&&
FTy.getParamType(2) == SizeTTy28.4k
);
1265
70
1266
335
  case LibFunc_wcslen:
1267
332
    return (NumParams == 1 && FTy.getParamType(0)->isPointerTy() &&
1268
335
            FTy.getReturnType()->isIntegerTy());
1269
70
1270
0
  case LibFunc::NumLibFuncs:
1271
0
    break;
1272
0
  }
1273
0
1274
0
  
llvm_unreachable0
("Invalid libfunc");
1275
0
}
1276
1277
bool TargetLibraryInfoImpl::getLibFunc(const Function &FDecl,
1278
33.8M
                                       LibFunc &F) const {
1279
33.8M
  const DataLayout *DL =
1280
18.4E
      FDecl.getParent() ? 
&FDecl.getParent()->getDataLayout()33.8M
:
nullptr18.4E
;
1281
33.8M
  return getLibFunc(FDecl.getName(), F) &&
1282
9.32M
         isValidProtoForLibFunc(*FDecl.getFunctionType(), F, DL);
1283
33.8M
}
1284
1285
6.23k
void TargetLibraryInfoImpl::disableAllFunctions() {
1286
6.23k
  memset(AvailableArray, 0, sizeof(AvailableArray));
1287
6.23k
}
1288
1289
1.30k
static bool compareByScalarFnName(const VecDesc &LHS, const VecDesc &RHS) {
1290
1.30k
  return LHS.ScalarFnName < RHS.ScalarFnName;
1291
1.30k
}
1292
1293
1.05k
static bool compareByVectorFnName(const VecDesc &LHS, const VecDesc &RHS) {
1294
1.05k
  return LHS.VectorFnName < RHS.VectorFnName;
1295
1.05k
}
1296
1297
1.47k
static bool compareWithScalarFnName(const VecDesc &LHS, StringRef S) {
1298
1.47k
  return LHS.ScalarFnName < S;
1299
1.47k
}
1300
1301
0
static bool compareWithVectorFnName(const VecDesc &LHS, StringRef S) {
1302
0
  return LHS.VectorFnName < S;
1303
0
}
1304
1305
3
void TargetLibraryInfoImpl::addVectorizableFunctions(ArrayRef<VecDesc> Fns) {
1306
3
  VectorDescs.insert(VectorDescs.end(), Fns.begin(), Fns.end());
1307
3
  std::sort(VectorDescs.begin(), VectorDescs.end(), compareByScalarFnName);
1308
3
1309
3
  ScalarDescs.insert(ScalarDescs.end(), Fns.begin(), Fns.end());
1310
3
  std::sort(ScalarDescs.begin(), ScalarDescs.end(), compareByVectorFnName);
1311
3
}
1312
1313
void TargetLibraryInfoImpl::addVectorizableFunctionsFromVecLib(
1314
64.5k
    enum VectorLibrary VecLib) {
1315
64.5k
  switch (VecLib) {
1316
1
  case Accelerate: {
1317
1
    const VecDesc VecFuncs[] = {
1318
1
        // Floating-Point Arithmetic and Auxiliary Functions
1319
1
        {"ceilf", "vceilf", 4},
1320
1
        {"fabsf", "vfabsf", 4},
1321
1
        {"llvm.fabs.f32", "vfabsf", 4},
1322
1
        {"floorf", "vfloorf", 4},
1323
1
        {"sqrtf", "vsqrtf", 4},
1324
1
        {"llvm.sqrt.f32", "vsqrtf", 4},
1325
1
1326
1
        // Exponential and Logarithmic Functions
1327
1
        {"expf", "vexpf", 4},
1328
1
        {"llvm.exp.f32", "vexpf", 4},
1329
1
        {"expm1f", "vexpm1f", 4},
1330
1
        {"logf", "vlogf", 4},
1331
1
        {"llvm.log.f32", "vlogf", 4},
1332
1
        {"log1pf", "vlog1pf", 4},
1333
1
        {"log10f", "vlog10f", 4},
1334
1
        {"llvm.log10.f32", "vlog10f", 4},
1335
1
        {"logbf", "vlogbf", 4},
1336
1
1337
1
        // Trigonometric Functions
1338
1
        {"sinf", "vsinf", 4},
1339
1
        {"llvm.sin.f32", "vsinf", 4},
1340
1
        {"cosf", "vcosf", 4},
1341
1
        {"llvm.cos.f32", "vcosf", 4},
1342
1
        {"tanf", "vtanf", 4},
1343
1
        {"asinf", "vasinf", 4},
1344
1
        {"acosf", "vacosf", 4},
1345
1
        {"atanf", "vatanf", 4},
1346
1
1347
1
        // Hyperbolic Functions
1348
1
        {"sinhf", "vsinhf", 4},
1349
1
        {"coshf", "vcoshf", 4},
1350
1
        {"tanhf", "vtanhf", 4},
1351
1
        {"asinhf", "vasinhf", 4},
1352
1
        {"acoshf", "vacoshf", 4},
1353
1
        {"atanhf", "vatanhf", 4},
1354
1
    };
1355
1
    addVectorizableFunctions(VecFuncs);
1356
1
    break;
1357
64.5k
  }
1358
2
  case SVML: {
1359
2
    const VecDesc VecFuncs[] = {
1360
2
        {"sin", "__svml_sin2", 2},
1361
2
        {"sin", "__svml_sin4", 4},
1362
2
        {"sin", "__svml_sin8", 8},
1363
2
1364
2
        {"sinf", "__svml_sinf4", 4},
1365
2
        {"sinf", "__svml_sinf8", 8},
1366
2
        {"sinf", "__svml_sinf16", 16},
1367
2
1368
2
        {"cos", "__svml_cos2", 2},
1369
2
        {"cos", "__svml_cos4", 4},
1370
2
        {"cos", "__svml_cos8", 8},
1371
2
1372
2
        {"cosf", "__svml_cosf4", 4},
1373
2
        {"cosf", "__svml_cosf8", 8},
1374
2
        {"cosf", "__svml_cosf16", 16},
1375
2
1376
2
        {"pow", "__svml_pow2", 2},
1377
2
        {"pow", "__svml_pow4", 4},
1378
2
        {"pow", "__svml_pow8", 8},
1379
2
1380
2
        {"powf", "__svml_powf4", 4},
1381
2
        {"powf", "__svml_powf8", 8},
1382
2
        {"powf", "__svml_powf16", 16},
1383
2
1384
2
        { "__pow_finite", "__svml_pow2", 2 },
1385
2
        { "__pow_finite", "__svml_pow4", 4 },
1386
2
        { "__pow_finite", "__svml_pow8", 8 },
1387
2
1388
2
        { "__powf_finite", "__svml_powf4", 4 },
1389
2
        { "__powf_finite", "__svml_powf8", 8 },
1390
2
        { "__powf_finite", "__svml_powf16", 16 },
1391
2
1392
2
        {"llvm.pow.f64", "__svml_pow2", 2},
1393
2
        {"llvm.pow.f64", "__svml_pow4", 4},
1394
2
        {"llvm.pow.f64", "__svml_pow8", 8},
1395
2
1396
2
        {"llvm.pow.f32", "__svml_powf4", 4},
1397
2
        {"llvm.pow.f32", "__svml_powf8", 8},
1398
2
        {"llvm.pow.f32", "__svml_powf16", 16},
1399
2
1400
2
        {"exp", "__svml_exp2", 2},
1401
2
        {"exp", "__svml_exp4", 4},
1402
2
        {"exp", "__svml_exp8", 8},
1403
2
1404
2
        {"expf", "__svml_expf4", 4},
1405
2
        {"expf", "__svml_expf8", 8},
1406
2
        {"expf", "__svml_expf16", 16},
1407
2
1408
2
        { "__exp_finite", "__svml_exp2", 2 },
1409
2
        { "__exp_finite", "__svml_exp4", 4 },
1410
2
        { "__exp_finite", "__svml_exp8", 8 },
1411
2
1412
2
        { "__expf_finite", "__svml_expf4", 4 },
1413
2
        { "__expf_finite", "__svml_expf8", 8 },
1414
2
        { "__expf_finite", "__svml_expf16", 16 },
1415
2
1416
2
        {"llvm.exp.f64", "__svml_exp2", 2},
1417
2
        {"llvm.exp.f64", "__svml_exp4", 4},
1418
2
        {"llvm.exp.f64", "__svml_exp8", 8},
1419
2
1420
2
        {"llvm.exp.f32", "__svml_expf4", 4},
1421
2
        {"llvm.exp.f32", "__svml_expf8", 8},
1422
2
        {"llvm.exp.f32", "__svml_expf16", 16},
1423
2
1424
2
        {"log", "__svml_log2", 2},
1425
2
        {"log", "__svml_log4", 4},
1426
2
        {"log", "__svml_log8", 8},
1427
2
1428
2
        {"logf", "__svml_logf4", 4},
1429
2
        {"logf", "__svml_logf8", 8},
1430
2
        {"logf", "__svml_logf16", 16},
1431
2
1432
2
        { "__log_finite", "__svml_log2", 2 },
1433
2
        { "__log_finite", "__svml_log4", 4 },
1434
2
        { "__log_finite", "__svml_log8", 8 },
1435
2
1436
2
        { "__logf_finite", "__svml_logf4", 4 },
1437
2
        { "__logf_finite", "__svml_logf8", 8 },
1438
2
        { "__logf_finite", "__svml_logf16", 16 },
1439
2
1440
2
        {"llvm.log.f64", "__svml_log2", 2},
1441
2
        {"llvm.log.f64", "__svml_log4", 4},
1442
2
        {"llvm.log.f64", "__svml_log8", 8},
1443
2
1444
2
        {"llvm.log.f32", "__svml_logf4", 4},
1445
2
        {"llvm.log.f32", "__svml_logf8", 8},
1446
2
        {"llvm.log.f32", "__svml_logf16", 16},
1447
2
    };
1448
2
    addVectorizableFunctions(VecFuncs);
1449
2
    break;
1450
64.5k
  }
1451
64.5k
  case NoLibrary:
1452
64.5k
    break;
1453
64.5k
  }
1454
64.5k
}
1455
1456
54.9k
bool TargetLibraryInfoImpl::isFunctionVectorizable(StringRef funcName) const {
1457
54.9k
  funcName = sanitizeFunctionName(funcName);
1458
54.9k
  if (funcName.empty())
1459
0
    return false;
1460
54.9k
1461
54.9k
  std::vector<VecDesc>::const_iterator I = std::lower_bound(
1462
54.9k
      VectorDescs.begin(), VectorDescs.end(), funcName,
1463
54.9k
      compareWithScalarFnName);
1464
28
  return I != VectorDescs.end() && StringRef(I->ScalarFnName) == funcName;
1465
54.9k
}
1466
1467
StringRef TargetLibraryInfoImpl::getVectorizedFunction(StringRef F,
1468
1.01k
                                                       unsigned VF) const {
1469
1.01k
  F = sanitizeFunctionName(F);
1470
1.01k
  if (F.empty())
1471
0
    return F;
1472
1.01k
  std::vector<VecDesc>::const_iterator I = std::lower_bound(
1473
1.01k
      VectorDescs.begin(), VectorDescs.end(), F, compareWithScalarFnName);
1474
1.15k
  while (
I != VectorDescs.end() && 1.15k
StringRef(I->ScalarFnName) == F384
) {
1475
326
    if (I->VectorizationFactor == VF)
1476
188
      return I->VectorFnName;
1477
138
    ++I;
1478
138
  }
1479
829
  return StringRef();
1480
1.01k
}
1481
1482
StringRef TargetLibraryInfoImpl::getScalarizedFunction(StringRef F,
1483
0
                                                       unsigned &VF) const {
1484
0
  F = sanitizeFunctionName(F);
1485
0
  if (F.empty())
1486
0
    return F;
1487
0
1488
0
  std::vector<VecDesc>::const_iterator I = std::lower_bound(
1489
0
      ScalarDescs.begin(), ScalarDescs.end(), F, compareWithVectorFnName);
1490
0
  if (
I == VectorDescs.end() || 0
StringRef(I->VectorFnName) != F0
)
1491
0
    return StringRef();
1492
0
  VF = I->VectorizationFactor;
1493
0
  return I->ScalarFnName;
1494
0
}
1495
1496
TargetLibraryInfo TargetLibraryAnalysis::run(Module &M,
1497
242
                                             ModuleAnalysisManager &) {
1498
242
  if (PresetInfoImpl)
1499
19
    return TargetLibraryInfo(*PresetInfoImpl);
1500
223
1501
223
  return TargetLibraryInfo(lookupInfoImpl(Triple(M.getTargetTriple())));
1502
223
}
1503
1504
TargetLibraryInfo TargetLibraryAnalysis::run(Function &F,
1505
1.84k
                                             FunctionAnalysisManager &) {
1506
1.84k
  if (PresetInfoImpl)
1507
197
    return TargetLibraryInfo(*PresetInfoImpl);
1508
1.64k
1509
1.64k
  return TargetLibraryInfo(
1510
1.64k
      lookupInfoImpl(Triple(F.getParent()->getTargetTriple())));
1511
1.64k
}
1512
1513
1.86k
TargetLibraryInfoImpl &TargetLibraryAnalysis::lookupInfoImpl(const Triple &T) {
1514
1.86k
  std::unique_ptr<TargetLibraryInfoImpl> &Impl =
1515
1.86k
      Impls[T.normalize()];
1516
1.86k
  if (!Impl)
1517
739
    Impl.reset(new TargetLibraryInfoImpl(T));
1518
1.86k
1519
1.86k
  return *Impl;
1520
1.86k
}
1521
1522
99
unsigned TargetLibraryInfoImpl::getWCharSize(const Module &M) const {
1523
99
  if (auto *ShortWChar = cast_or_null<ConstantAsMetadata>(
1524
99
      M.getModuleFlag("wchar_size")))
1525
98
    return cast<ConstantInt>(ShortWChar->getValue())->getZExtValue();
1526
1
  return 0;
1527
1
}
1528
1529
TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass()
1530
1.41k
    : ImmutablePass(ID), TLIImpl(), TLI(TLIImpl) {
1531
1.41k
  initializeTargetLibraryInfoWrapperPassPass(*PassRegistry::getPassRegistry());
1532
1.41k
}
1533
1534
TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass(const Triple &T)
1535
0
    : ImmutablePass(ID), TLIImpl(T), TLI(TLIImpl) {
1536
0
  initializeTargetLibraryInfoWrapperPassPass(*PassRegistry::getPassRegistry());
1537
0
}
1538
1539
TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass(
1540
    const TargetLibraryInfoImpl &TLIImpl)
1541
84.6k
    : ImmutablePass(ID), TLIImpl(TLIImpl), TLI(this->TLIImpl) {
1542
84.6k
  initializeTargetLibraryInfoWrapperPassPass(*PassRegistry::getPassRegistry());
1543
84.6k
}
1544
1545
AnalysisKey TargetLibraryAnalysis::Key;
1546
1547
// Register the basic pass.
1548
INITIALIZE_PASS(TargetLibraryInfoWrapperPass, "targetlibinfo",
1549
                "Target Library Information", false, true)
1550
char TargetLibraryInfoWrapperPass::ID = 0;
1551
1552
0
void TargetLibraryInfoWrapperPass::anchor() {}