Home | History | Annotate | Download | only in Analysis
      1 //===--- TargetLibraryInfoTest.cpp - TLI/LibFunc unit tests ---------------===//
      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 #include "llvm/Analysis/TargetLibraryInfo.h"
     11 #include "llvm/AsmParser/Parser.h"
     12 #include "llvm/IR/LLVMContext.h"
     13 #include "llvm/IR/LegacyPassManager.h"
     14 #include "llvm/IR/Module.h"
     15 #include "llvm/Support/SourceMgr.h"
     16 #include "gtest/gtest.h"
     17 
     18 using namespace llvm;
     19 
     20 namespace {
     21 
     22 class TargetLibraryInfoTest : public testing::Test {
     23 protected:
     24   LLVMContext Context;
     25   TargetLibraryInfoImpl TLII;
     26   TargetLibraryInfo TLI;
     27 
     28   std::unique_ptr<Module> M;
     29 
     30   TargetLibraryInfoTest() : TLI(TLII) {}
     31 
     32   void parseAssembly(const char *Assembly) {
     33     SMDiagnostic Error;
     34     M = parseAssemblyString(Assembly, Error, Context);
     35 
     36     std::string errMsg;
     37     raw_string_ostream os(errMsg);
     38     Error.print("", os);
     39 
     40     if (!M)
     41       report_fatal_error(os.str());
     42   }
     43 
     44   ::testing::AssertionResult isLibFunc(const Function *FDecl,
     45                                        LibFunc ExpectedLF) {
     46     StringRef ExpectedLFName = TLI.getName(ExpectedLF);
     47 
     48     if (!FDecl)
     49       return ::testing::AssertionFailure() << ExpectedLFName << " not found";
     50 
     51     LibFunc F;
     52     if (!TLI.getLibFunc(*FDecl, F))
     53       return ::testing::AssertionFailure() << ExpectedLFName << " invalid";
     54 
     55     return ::testing::AssertionSuccess() << ExpectedLFName << " is LibFunc";
     56   }
     57 };
     58 
     59 } // end anonymous namespace
     60 
     61 // Check that we don't accept egregiously incorrect prototypes.
     62 TEST_F(TargetLibraryInfoTest, InvalidProto) {
     63   parseAssembly("%foo = type { %foo }\n");
     64 
     65   auto *StructTy = M->getTypeByName("foo");
     66   auto *InvalidFTy = FunctionType::get(StructTy, /*isVarArg=*/false);
     67 
     68   for (unsigned FI = 0; FI != LibFunc::NumLibFuncs; ++FI) {
     69     LibFunc LF = (LibFunc)FI;
     70     auto *F = cast<Function>(
     71         M->getOrInsertFunction(TLI.getName(LF), InvalidFTy));
     72     EXPECT_FALSE(isLibFunc(F, LF));
     73   }
     74 }
     75 
     76 // Check that we do accept know-correct prototypes.
     77 TEST_F(TargetLibraryInfoTest, ValidProto) {
     78   parseAssembly(
     79     // These functions use a 64-bit size_t; use the appropriate datalayout.
     80     "target datalayout = \"p:64:64:64\"\n"
     81 
     82     // Struct pointers are replaced with an opaque pointer.
     83     "%struct = type opaque\n"
     84 
     85     // These functions were extracted as-is from the OS X headers.
     86     "declare double @__cospi(double)\n"
     87     "declare float @__cospif(float)\n"
     88     "declare { double, double } @__sincospi_stret(double)\n"
     89     "declare <2 x float> @__sincospif_stret(float)\n"
     90     "declare double @__sinpi(double)\n"
     91     "declare float @__sinpif(float)\n"
     92     "declare i32 @abs(i32)\n"
     93     "declare i32 @access(i8*, i32)\n"
     94     "declare double @acos(double)\n"
     95     "declare float @acosf(float)\n"
     96     "declare double @acosh(double)\n"
     97     "declare float @acoshf(float)\n"
     98     "declare x86_fp80 @acoshl(x86_fp80)\n"
     99     "declare x86_fp80 @acosl(x86_fp80)\n"
    100     "declare double @asin(double)\n"
    101     "declare float @asinf(float)\n"
    102     "declare double @asinh(double)\n"
    103     "declare float @asinhf(float)\n"
    104     "declare x86_fp80 @asinhl(x86_fp80)\n"
    105     "declare x86_fp80 @asinl(x86_fp80)\n"
    106     "declare double @atan(double)\n"
    107     "declare double @atan2(double, double)\n"
    108     "declare float @atan2f(float, float)\n"
    109     "declare x86_fp80 @atan2l(x86_fp80, x86_fp80)\n"
    110     "declare float @atanf(float)\n"
    111     "declare double @atanh(double)\n"
    112     "declare float @atanhf(float)\n"
    113     "declare x86_fp80 @atanhl(x86_fp80)\n"
    114     "declare x86_fp80 @atanl(x86_fp80)\n"
    115     "declare double @atof(i8*)\n"
    116     "declare i32 @atoi(i8*)\n"
    117     "declare i64 @atol(i8*)\n"
    118     "declare i64 @atoll(i8*)\n"
    119     "declare i32 @bcmp(i8*, i8*, i64)\n"
    120     "declare void @bcopy(i8*, i8*, i64)\n"
    121     "declare void @bzero(i8*, i64)\n"
    122     "declare i8* @calloc(i64, i64)\n"
    123     "declare double @cbrt(double)\n"
    124     "declare float @cbrtf(float)\n"
    125     "declare x86_fp80 @cbrtl(x86_fp80)\n"
    126     "declare double @ceil(double)\n"
    127     "declare float @ceilf(float)\n"
    128     "declare x86_fp80 @ceill(x86_fp80)\n"
    129     "declare i32 @chown(i8*, i32, i32)\n"
    130     "declare void @clearerr(%struct*)\n"
    131     "declare double @copysign(double, double)\n"
    132     "declare float @copysignf(float, float)\n"
    133     "declare x86_fp80 @copysignl(x86_fp80, x86_fp80)\n"
    134     "declare double @cabs([2 x double])\n"
    135     "declare float @cabsf([2 x float])\n"
    136     "declare x86_fp80 @cabsl([2 x x86_fp80])\n"
    137     "declare double @cos(double)\n"
    138     "declare float @cosf(float)\n"
    139     "declare double @cosh(double)\n"
    140     "declare float @coshf(float)\n"
    141     "declare x86_fp80 @coshl(x86_fp80)\n"
    142     "declare x86_fp80 @cosl(x86_fp80)\n"
    143     "declare i8* @ctermid(i8*)\n"
    144     "declare double @exp(double)\n"
    145     "declare double @exp2(double)\n"
    146     "declare float @exp2f(float)\n"
    147     "declare x86_fp80 @exp2l(x86_fp80)\n"
    148     "declare float @expf(float)\n"
    149     "declare x86_fp80 @expl(x86_fp80)\n"
    150     "declare double @expm1(double)\n"
    151     "declare float @expm1f(float)\n"
    152     "declare x86_fp80 @expm1l(x86_fp80)\n"
    153     "declare double @fabs(double)\n"
    154     "declare float @fabsf(float)\n"
    155     "declare x86_fp80 @fabsl(x86_fp80)\n"
    156     "declare i32 @fclose(%struct*)\n"
    157     "declare i32 @feof(%struct*)\n"
    158     "declare i32 @ferror(%struct*)\n"
    159     "declare i32 @fflush(%struct*)\n"
    160     "declare i32 @ffs(i32)\n"
    161     "declare i32 @ffsl(i64)\n"
    162     "declare i32 @ffsll(i64)\n"
    163     "declare i32 @fgetc(%struct*)\n"
    164     "declare i32 @fgetc_unlocked(%struct*)\n"
    165     "declare i32 @fgetpos(%struct*, i64*)\n"
    166     "declare i8* @fgets(i8*, i32, %struct*)\n"
    167     "declare i8* @fgets_unlocked(i8*, i32, %struct*)\n"
    168     "declare i32 @fileno(%struct*)\n"
    169     "declare void @flockfile(%struct*)\n"
    170     "declare double @floor(double)\n"
    171     "declare float @floorf(float)\n"
    172     "declare x86_fp80 @floorl(x86_fp80)\n"
    173     "declare i32 @fls(i32)\n"
    174     "declare i32 @flsl(i64)\n"
    175     "declare i32 @flsll(i64)\n"
    176     "declare double @fmax(double, double)\n"
    177     "declare float @fmaxf(float, float)\n"
    178     "declare x86_fp80 @fmaxl(x86_fp80, x86_fp80)\n"
    179     "declare double @fmin(double, double)\n"
    180     "declare float @fminf(float, float)\n"
    181     "declare x86_fp80 @fminl(x86_fp80, x86_fp80)\n"
    182     "declare double @fmod(double, double)\n"
    183     "declare float @fmodf(float, float)\n"
    184     "declare x86_fp80 @fmodl(x86_fp80, x86_fp80)\n"
    185     "declare i32 @fprintf(%struct*, i8*, ...)\n"
    186     "declare i32 @fputc(i32, %struct*)\n"
    187     "declare i32 @fputc_unlocked(i32, %struct*)\n"
    188     "declare i64 @fread(i8*, i64, i64, %struct*)\n"
    189     "declare i64 @fread_unlocked(i8*, i64, i64, %struct*)\n"
    190     "declare void @free(i8*)\n"
    191     "declare double @frexp(double, i32*)\n"
    192     "declare float @frexpf(float, i32*)\n"
    193     "declare x86_fp80 @frexpl(x86_fp80, i32*)\n"
    194     "declare i32 @fscanf(%struct*, i8*, ...)\n"
    195     "declare i32 @fseek(%struct*, i64, i32)\n"
    196     "declare i32 @fseeko(%struct*, i64, i32)\n"
    197     "declare i32 @fsetpos(%struct*, i64*)\n"
    198     "declare i32 @fstatvfs(i32, %struct*)\n"
    199     "declare i64 @ftell(%struct*)\n"
    200     "declare i64 @ftello(%struct*)\n"
    201     "declare i32 @ftrylockfile(%struct*)\n"
    202     "declare void @funlockfile(%struct*)\n"
    203     "declare i32 @getc(%struct*)\n"
    204     "declare i32 @getc_unlocked(%struct*)\n"
    205     "declare i32 @getchar()\n"
    206     "declare i32 @getchar_unlocked()\n"
    207     "declare i8* @getenv(i8*)\n"
    208     "declare i32 @getitimer(i32, %struct*)\n"
    209     "declare i32 @getlogin_r(i8*, i64)\n"
    210     "declare %struct* @getpwnam(i8*)\n"
    211     "declare i8* @gets(i8*)\n"
    212     "declare i32 @gettimeofday(%struct*, i8*)\n"
    213     "declare i32 @_Z7isasciii(i32)\n"
    214     "declare i32 @_Z7isdigiti(i32)\n"
    215     "declare i64 @labs(i64)\n"
    216     "declare double @ldexp(double, i32)\n"
    217     "declare float @ldexpf(float, i32)\n"
    218     "declare x86_fp80 @ldexpl(x86_fp80, i32)\n"
    219     "declare i64 @llabs(i64)\n"
    220     "declare double @log(double)\n"
    221     "declare double @log10(double)\n"
    222     "declare float @log10f(float)\n"
    223     "declare x86_fp80 @log10l(x86_fp80)\n"
    224     "declare double @log1p(double)\n"
    225     "declare float @log1pf(float)\n"
    226     "declare x86_fp80 @log1pl(x86_fp80)\n"
    227     "declare double @log2(double)\n"
    228     "declare float @log2f(float)\n"
    229     "declare x86_fp80 @log2l(x86_fp80)\n"
    230     "declare double @logb(double)\n"
    231     "declare float @logbf(float)\n"
    232     "declare x86_fp80 @logbl(x86_fp80)\n"
    233     "declare float @logf(float)\n"
    234     "declare x86_fp80 @logl(x86_fp80)\n"
    235     "declare i8* @malloc(i64)\n"
    236     "declare i8* @memccpy(i8*, i8*, i32, i64)\n"
    237     "declare i8* @memchr(i8*, i32, i64)\n"
    238     "declare i32 @memcmp(i8*, i8*, i64)\n"
    239     "declare i8* @memcpy(i8*, i8*, i64)\n"
    240     "declare i8* @memmove(i8*, i8*, i64)\n"
    241     "declare i8* @memset(i8*, i32, i64)\n"
    242     "declare void @memset_pattern16(i8*, i8*, i64)\n"
    243     "declare i32 @mkdir(i8*, i16)\n"
    244     "declare double @modf(double, double*)\n"
    245     "declare float @modff(float, float*)\n"
    246     "declare x86_fp80 @modfl(x86_fp80, x86_fp80*)\n"
    247     "declare double @nearbyint(double)\n"
    248     "declare float @nearbyintf(float)\n"
    249     "declare x86_fp80 @nearbyintl(x86_fp80)\n"
    250     "declare i32 @pclose(%struct*)\n"
    251     "declare void @perror(i8*)\n"
    252     "declare i32 @posix_memalign(i8**, i64, i64)\n"
    253     "declare double @pow(double, double)\n"
    254     "declare float @powf(float, float)\n"
    255     "declare x86_fp80 @powl(x86_fp80, x86_fp80)\n"
    256     "declare i32 @printf(i8*, ...)\n"
    257     "declare i32 @putc(i32, %struct*)\n"
    258     "declare i32 @putc_unlocked(i32, %struct*)\n"
    259     "declare i32 @putchar(i32)\n"
    260     "declare i32 @putchar_unlocked(i32)\n"
    261     "declare i32 @puts(i8*)\n"
    262     "declare void @qsort(i8*, i64, i64, i32 (i8*, i8*)*)\n"
    263     "declare i64 @readlink(i8*, i8*, i64)\n"
    264     "declare i8* @realloc(i8*, i64)\n"
    265     "declare i8* @reallocf(i8*, i64)\n"
    266     "declare i32 @remove(i8*)\n"
    267     "declare i32 @rename(i8*, i8*)\n"
    268     "declare void @rewind(%struct*)\n"
    269     "declare double @rint(double)\n"
    270     "declare float @rintf(float)\n"
    271     "declare x86_fp80 @rintl(x86_fp80)\n"
    272     "declare i32 @rmdir(i8*)\n"
    273     "declare double @round(double)\n"
    274     "declare float @roundf(float)\n"
    275     "declare x86_fp80 @roundl(x86_fp80)\n"
    276     "declare i32 @scanf(i8*, ...)\n"
    277     "declare void @setbuf(%struct*, i8*)\n"
    278     "declare i32 @setitimer(i32, %struct*, %struct*)\n"
    279     "declare i32 @setvbuf(%struct*, i8*, i32, i64)\n"
    280     "declare double @sin(double)\n"
    281     "declare float @sinf(float)\n"
    282     "declare double @sinh(double)\n"
    283     "declare float @sinhf(float)\n"
    284     "declare x86_fp80 @sinhl(x86_fp80)\n"
    285     "declare x86_fp80 @sinl(x86_fp80)\n"
    286     "declare i32 @snprintf(i8*, i64, i8*, ...)\n"
    287     "declare i32 @sprintf(i8*, i8*, ...)\n"
    288     "declare double @sqrt(double)\n"
    289     "declare float @sqrtf(float)\n"
    290     "declare x86_fp80 @sqrtl(x86_fp80)\n"
    291     "declare i32 @sscanf(i8*, i8*, ...)\n"
    292     "declare i32 @statvfs(i8*, %struct*)\n"
    293     "declare i8* @stpcpy(i8*, i8*)\n"
    294     "declare i8* @stpncpy(i8*, i8*, i64)\n"
    295     "declare i32 @strcasecmp(i8*, i8*)\n"
    296     "declare i8* @strcat(i8*, i8*)\n"
    297     "declare i8* @strchr(i8*, i32)\n"
    298     "declare i32 @strcmp(i8*, i8*)\n"
    299     "declare i32 @strcoll(i8*, i8*)\n"
    300     "declare i8* @strcpy(i8*, i8*)\n"
    301     "declare i64 @strcspn(i8*, i8*)\n"
    302     "declare i8* @strdup(i8*)\n"
    303     "declare i64 @strlen(i8*)\n"
    304     "declare i32 @strncasecmp(i8*, i8*, i64)\n"
    305     "declare i8* @strncat(i8*, i8*, i64)\n"
    306     "declare i32 @strncmp(i8*, i8*, i64)\n"
    307     "declare i8* @strncpy(i8*, i8*, i64)\n"
    308     "declare i8* @strndup(i8*, i64)\n"
    309     "declare i64 @strnlen(i8*, i64)\n"
    310     "declare i8* @strpbrk(i8*, i8*)\n"
    311     "declare i8* @strrchr(i8*, i32)\n"
    312     "declare i64 @strspn(i8*, i8*)\n"
    313     "declare i8* @strstr(i8*, i8*)\n"
    314     "declare i8* @strtok(i8*, i8*)\n"
    315     "declare i8* @strtok_r(i8*, i8*, i8**)\n"
    316     "declare i64 @strtol(i8*, i8**, i32)\n"
    317     "declare x86_fp80 @strtold(i8*, i8**)\n"
    318     "declare i64 @strtoll(i8*, i8**, i32)\n"
    319     "declare i64 @strtoul(i8*, i8**, i32)\n"
    320     "declare i64 @strtoull(i8*, i8**, i32)\n"
    321     "declare i64 @strxfrm(i8*, i8*, i64)\n"
    322     "declare double @tan(double)\n"
    323     "declare float @tanf(float)\n"
    324     "declare double @tanh(double)\n"
    325     "declare float @tanhf(float)\n"
    326     "declare x86_fp80 @tanhl(x86_fp80)\n"
    327     "declare x86_fp80 @tanl(x86_fp80)\n"
    328     "declare i64 @times(%struct*)\n"
    329     "declare %struct* @tmpfile()\n"
    330     "declare i32 @_Z7toasciii(i32)\n"
    331     "declare double @trunc(double)\n"
    332     "declare float @truncf(float)\n"
    333     "declare x86_fp80 @truncl(x86_fp80)\n"
    334     "declare i32 @uname(%struct*)\n"
    335     "declare i32 @ungetc(i32, %struct*)\n"
    336     "declare i32 @unlink(i8*)\n"
    337     "declare i32 @utime(i8*, %struct*)\n"
    338     "declare i32 @utimes(i8*, %struct*)\n"
    339     "declare i8* @valloc(i64)\n"
    340     "declare i32 @vfprintf(%struct*, i8*, %struct*)\n"
    341     "declare i32 @vfscanf(%struct*, i8*, %struct*)\n"
    342     "declare i32 @vprintf(i8*, %struct*)\n"
    343     "declare i32 @vscanf(i8*, %struct*)\n"
    344     "declare i32 @vsnprintf(i8*, i64, i8*, %struct*)\n"
    345     "declare i32 @vsprintf(i8*, i8*, %struct*)\n"
    346     "declare i32 @vsscanf(i8*, i8*, %struct*)\n"
    347     "declare i64 @wcslen(i32*)\n"
    348 
    349     // These functions were also extracted from the OS X headers, but they are
    350     // available with a special name on darwin.
    351     // This test uses the default TLI name instead.
    352     "declare i32 @chmod(i8*, i16)\n"
    353     "declare i32 @closedir(%struct*)\n"
    354     "declare %struct* @fdopen(i32, i8*)\n"
    355     "declare %struct* @fopen(i8*, i8*)\n"
    356     "declare i32 @fputs(i8*, %struct*)\n"
    357     "declare i32 @fputs_unlocked(i8*, %struct*)\n"
    358     "declare i32 @fstat(i32, %struct*)\n"
    359     "declare i64 @fwrite(i8*, i64, i64, %struct*)\n"
    360     "declare i64 @fwrite_unlocked(i8*, i64, i64, %struct*)\n"
    361     "declare i32 @lchown(i8*, i32, i32)\n"
    362     "declare i32 @lstat(i8*, %struct*)\n"
    363     "declare i64 @mktime(%struct*)\n"
    364     "declare i32 @open(i8*, i32, ...)\n"
    365     "declare %struct* @opendir(i8*)\n"
    366     "declare %struct* @popen(i8*, i8*)\n"
    367     "declare i64 @pread(i32, i8*, i64, i64)\n"
    368     "declare i64 @pwrite(i32, i8*, i64, i64)\n"
    369     "declare i64 @read(i32, i8*, i64)\n"
    370     "declare i8* @realpath(i8*, i8*)\n"
    371     "declare i32 @stat(i8*, %struct*)\n"
    372     "declare double @strtod(i8*, i8**)\n"
    373     "declare float @strtof(i8*, i8**)\n"
    374     "declare i32 @system(i8*)\n"
    375     "declare i32 @unsetenv(i8*)\n"
    376     "declare i64 @write(i32, i8*, i64)\n"
    377 
    378     // These functions are available on Linux but not Darwin; they only differ
    379     // from their non-64 counterparts in the struct type.
    380     // Use the same prototype as the non-64 variant.
    381     "declare %struct* @fopen64(i8*, i8*)\n"
    382     "declare i32 @fstat64(i32, %struct*)\n"
    383     "declare i32 @fstatvfs64(i32, %struct*)\n"
    384     "declare i32 @lstat64(i8*, %struct*)\n"
    385     "declare i32 @open64(i8*, i32, ...)\n"
    386     "declare i32 @stat64(i8*, %struct*)\n"
    387     "declare i32 @statvfs64(i8*, %struct*)\n"
    388     "declare %struct* @tmpfile64()\n"
    389 
    390     // These functions are also -64 variants, but do differ in the type of the
    391     // off_t (vs off64_t) parameter.  The non-64 variants declared above used
    392     // a 64-bit off_t, so, in practice, they are also equivalent.
    393     "declare i32 @fseeko64(%struct*, i64, i32)\n"
    394     "declare i64 @ftello64(%struct*)\n"
    395 
    396     "declare void @_ZdaPv(i8*)\n"
    397     "declare void @_ZdaPvRKSt9nothrow_t(i8*, %struct*)\n"
    398     "declare void @_ZdaPvSt11align_val_t(i8*, i64)\n"
    399     "declare void @_ZdaPvSt11align_val_tRKSt9nothrow_t(i8*, i64, %struct*)\n"
    400     "declare void @_ZdaPvj(i8*, i32)\n"
    401     "declare void @_ZdaPvm(i8*, i64)\n"
    402     "declare void @_ZdlPv(i8*)\n"
    403     "declare void @_ZdlPvRKSt9nothrow_t(i8*, %struct*)\n"
    404     "declare void @_ZdlPvSt11align_val_t(i8*, i64)\n"
    405     "declare void @_ZdlPvSt11align_val_tRKSt9nothrow_t(i8*, i64, %struct*)\n"
    406     "declare void @_ZdlPvj(i8*, i32)\n"
    407     "declare void @_ZdlPvm(i8*, i64)\n"
    408     "declare i8* @_Znaj(i32)\n"
    409     "declare i8* @_ZnajRKSt9nothrow_t(i32, %struct*)\n"
    410     "declare i8* @_ZnajSt11align_val_t(i32, i32)\n"
    411     "declare i8* @_ZnajSt11align_val_tRKSt9nothrow_t(i32, i32, %struct*)\n"
    412     "declare i8* @_Znam(i64)\n"
    413     "declare i8* @_ZnamRKSt9nothrow_t(i64, %struct*)\n"
    414     "declare i8* @_ZnamSt11align_val_t(i64, i64)\n"
    415     "declare i8* @_ZnamSt11align_val_tRKSt9nothrow_t(i64, i64, %struct*)\n"
    416     "declare i8* @_Znwj(i32)\n"
    417     "declare i8* @_ZnwjRKSt9nothrow_t(i32, %struct*)\n"
    418     "declare i8* @_ZnwjSt11align_val_t(i32, i32)\n"
    419     "declare i8* @_ZnwjSt11align_val_tRKSt9nothrow_t(i32, i32, %struct*)\n"
    420     "declare i8* @_Znwm(i64)\n"
    421     "declare i8* @_ZnwmRKSt9nothrow_t(i64, %struct*)\n"
    422     "declare i8* @_ZnwmSt11align_val_t(i64, i64)\n"
    423     "declare i8* @_ZnwmSt11align_val_tRKSt9nothrow_t(i64, i64, %struct*)\n"
    424 
    425     "declare void @\"??3@YAXPEAX@Z\"(i8*)\n"
    426     "declare void @\"??3@YAXPEAXAEBUnothrow_t@std@@@Z\"(i8*, %struct*)\n"
    427     "declare void @\"??3@YAXPEAX_K@Z\"(i8*, i64)\n"
    428     "declare void @\"??_V@YAXPEAX@Z\"(i8*)\n"
    429     "declare void @\"??_V@YAXPEAXAEBUnothrow_t@std@@@Z\"(i8*, %struct*)\n"
    430     "declare void @\"??_V@YAXPEAX_K@Z\"(i8*, i64)\n"
    431     "declare i8* @\"??2@YAPAXI@Z\"(i32)\n"
    432     "declare i8* @\"??2@YAPAXIABUnothrow_t@std@@@Z\"(i32, %struct*)\n"
    433     "declare i8* @\"??2@YAPEAX_K@Z\"(i64)\n"
    434     "declare i8* @\"??2@YAPEAX_KAEBUnothrow_t@std@@@Z\"(i64, %struct*)\n"
    435     "declare i8* @\"??_U@YAPAXI@Z\"(i32)\n"
    436     "declare i8* @\"??_U@YAPAXIABUnothrow_t@std@@@Z\"(i32, %struct*)\n"
    437     "declare i8* @\"??_U@YAPEAX_K@Z\"(i64)\n"
    438     "declare i8* @\"??_U@YAPEAX_KAEBUnothrow_t@std@@@Z\"(i64, %struct*)\n"
    439 
    440     "declare void @\"??3@YAXPAX@Z\"(i8*)\n"
    441     "declare void @\"??3@YAXPAXABUnothrow_t@std@@@Z\"(i8*, %struct*)\n"
    442     "declare void @\"??3@YAXPAXI@Z\"(i8*, i32)\n"
    443     "declare void @\"??_V@YAXPAX@Z\"(i8*)\n"
    444     "declare void @\"??_V@YAXPAXABUnothrow_t@std@@@Z\"(i8*, %struct*)\n"
    445     "declare void @\"??_V@YAXPAXI@Z\"(i8*, i32)\n"
    446 
    447     // These other functions were derived from the .def C declaration.
    448     "declare i32 @__cxa_atexit(void (i8*)*, i8*, i8*)\n"
    449     "declare void @__cxa_guard_abort(%struct*)\n"
    450     "declare i32 @__cxa_guard_acquire(%struct*)\n"
    451     "declare void @__cxa_guard_release(%struct*)\n"
    452 
    453     "declare i32 @__nvvm_reflect(i8*)\n"
    454 
    455     "declare i8* @__memcpy_chk(i8*, i8*, i64, i64)\n"
    456     "declare i8* @__memmove_chk(i8*, i8*, i64, i64)\n"
    457     "declare i8* @__memset_chk(i8*, i32, i64, i64)\n"
    458     "declare i8* @__stpcpy_chk(i8*, i8*, i64)\n"
    459     "declare i8* @__stpncpy_chk(i8*, i8*, i64, i64)\n"
    460     "declare i8* @__strcpy_chk(i8*, i8*, i64)\n"
    461     "declare i8* @__strncpy_chk(i8*, i8*, i64, i64)\n"
    462 
    463     "declare i8* @memalign(i64, i64)\n"
    464     "declare i8* @mempcpy(i8*, i8*, i64)\n"
    465     "declare i8* @memrchr(i8*, i32, i64)\n"
    466 
    467     // These are similar to the FILE* fgetc/fputc.
    468     "declare i32 @_IO_getc(%struct*)\n"
    469     "declare i32 @_IO_putc(i32, %struct*)\n"
    470 
    471     "declare i32 @__isoc99_scanf(i8*, ...)\n"
    472     "declare i32 @__isoc99_sscanf(i8*, i8*, ...)\n"
    473     "declare i8* @__strdup(i8*)\n"
    474     "declare i8* @__strndup(i8*, i64)\n"
    475     "declare i8* @__strtok_r(i8*, i8*, i8**)\n"
    476 
    477     "declare double @__sqrt_finite(double)\n"
    478     "declare float @__sqrtf_finite(float)\n"
    479     "declare x86_fp80 @__sqrtl_finite(x86_fp80)\n"
    480     "declare double @exp10(double)\n"
    481     "declare float @exp10f(float)\n"
    482     "declare x86_fp80 @exp10l(x86_fp80)\n"
    483 
    484     // These printf variants have the same prototype as the non-'i' versions.
    485     "declare i32 @fiprintf(%struct*, i8*, ...)\n"
    486     "declare i32 @iprintf(i8*, ...)\n"
    487     "declare i32 @siprintf(i8*, i8*, ...)\n"
    488 
    489     "declare i32 @htonl(i32)\n"
    490     "declare i16 @htons(i16)\n"
    491     "declare i32 @ntohl(i32)\n"
    492     "declare i16 @ntohs(i16)\n"
    493 
    494     "declare i32 @isascii(i32)\n"
    495     "declare i32 @isdigit(i32)\n"
    496     "declare i32 @toascii(i32)\n"
    497 
    498     // These functions were extracted from math-finite.h which provides
    499     // functions similar to those in math.h, but optimized for handling
    500     // finite values only.
    501     "declare double @__acos_finite(double)\n"
    502     "declare float @__acosf_finite(float)\n"
    503     "declare x86_fp80 @__acosl_finite(x86_fp80)\n"
    504     "declare double @__acosh_finite(double)\n"
    505     "declare float @__acoshf_finite(float)\n"
    506     "declare x86_fp80 @__acoshl_finite(x86_fp80)\n"
    507     "declare double @__asin_finite(double)\n"
    508     "declare float @__asinf_finite(float)\n"
    509     "declare x86_fp80 @__asinl_finite(x86_fp80)\n"
    510     "declare double @__atan2_finite(double, double)\n"
    511     "declare float @__atan2f_finite(float, float)\n"
    512     "declare x86_fp80 @__atan2l_finite(x86_fp80, x86_fp80)\n"
    513     "declare double @__atanh_finite(double)\n"
    514     "declare float @__atanhf_finite(float)\n"
    515     "declare x86_fp80 @__atanhl_finite(x86_fp80)\n"
    516     "declare double @__cosh_finite(double)\n"
    517     "declare float @__coshf_finite(float)\n"
    518     "declare x86_fp80 @__coshl_finite(x86_fp80)\n"
    519     "declare double @__exp10_finite(double)\n"
    520     "declare float @__exp10f_finite(float)\n"
    521     "declare x86_fp80 @__exp10l_finite(x86_fp80)\n"
    522     "declare double @__exp2_finite(double)\n"
    523     "declare float @__exp2f_finite(float)\n"
    524     "declare x86_fp80 @__exp2l_finite(x86_fp80)\n"
    525     "declare double @__exp_finite(double)\n"
    526     "declare float @__expf_finite(float)\n"
    527     "declare x86_fp80 @__expl_finite(x86_fp80)\n"
    528     "declare double @__log10_finite(double)\n"
    529     "declare float @__log10f_finite(float)\n"
    530     "declare x86_fp80 @__log10l_finite(x86_fp80)\n"
    531     "declare double @__log2_finite(double)\n"
    532     "declare float @__log2f_finite(float)\n"
    533     "declare x86_fp80 @__log2l_finite(x86_fp80)\n"
    534     "declare double @__log_finite(double)\n"
    535     "declare float @__logf_finite(float)\n"
    536     "declare x86_fp80 @__logl_finite(x86_fp80)\n"
    537     "declare double @__pow_finite(double, double)\n"
    538     "declare float @__powf_finite(float, float)\n"
    539     "declare x86_fp80 @__powl_finite(x86_fp80, x86_fp80)\n"
    540     "declare double @__sinh_finite(double)\n"
    541     "declare float @__sinhf_finite(float)\n"
    542     "declare x86_fp80 @__sinhl_finite(x86_fp80)\n"
    543     );
    544 
    545   for (unsigned FI = 0; FI != LibFunc::NumLibFuncs; ++FI) {
    546     LibFunc LF = (LibFunc)FI;
    547     // Make sure everything is available; we're not testing target defaults.
    548     TLII.setAvailable(LF);
    549     Function *F = M->getFunction(TLI.getName(LF));
    550     EXPECT_TRUE(isLibFunc(F, LF));
    551   }
    552 }
    553