[llvm] r292188 - [TLI] Add prototype checking for all remaining LibFuncs.

Ahmed Bougacha via llvm-commits llvm-commits at lists.llvm.org
Tue Jan 17 17:01:12 PST 2017


On Tue, Jan 17, 2017 at 4:55 PM, Galina Kistanova <gkistanova at gmail.com> wrote:
> Found one more builder with warning related to the same commit(s):
>
> http://lab.llvm.org:8011/builders/clang-3stage-ubuntu/builds/1106
>
> llvm.src/lib/Analysis/TargetLibraryInfo.cpp:1183:1: warning: control reaches
> end of non-void function [-Wreturn-type]
>
> Please have a look at it?

Looks like it also got fixed by r292246 in:

http://lab.llvm.org:8011/builders/clang-3stage-ubuntu/builds/1115

-Ahmed

> Thanks
>
> Galina
>
> On Tue, Jan 17, 2017 at 12:05 PM, Ahmed Bougacha <ahmed.bougacha at gmail.com>
> wrote:
>>
>> Should be fixed in r292246; I'll watch the bot.
>>
>> Thanks for letting me know,
>> -Ahmed
>>
>>
>> On Tue, Jan 17, 2017 at 11:43 AM, Galina Kistanova <gkistanova at gmail.com>
>> wrote:
>> > Hello Ahmed,
>> >
>> > One of your resent commits added warning our builder:
>> >
>> > llvm.src\lib\analysis\targetlibraryinfo.cpp(1183) :  warning C4715:
>> > 'llvm::TargetLibraryInfoImpl::isValidProtoForLibFunc': not all control
>> > paths
>> > return a value
>> >
>> >
>> > http://lab.llvm.org:8011/builders/llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast/builds/4032
>> >
>> > Please have a look at this?
>> >
>> > Thanks
>> >
>> > Galina
>> >
>> > On Mon, Jan 16, 2017 at 7:10 PM, Ahmed Bougacha via llvm-commits
>> > <llvm-commits at lists.llvm.org> wrote:
>> >>
>> >> Author: ab
>> >> Date: Mon Jan 16 21:10:02 2017
>> >> New Revision: 292188
>> >>
>> >> URL: http://llvm.org/viewvc/llvm-project?rev=292188&view=rev
>> >> Log:
>> >> [TLI] Add prototype checking for all remaining LibFuncs.
>> >>
>> >> This is another step towards unifying all LibFunc prototype checks.
>> >> This work started in r267758 (D19469);  add the remaining checks.
>> >>
>> >> Also add a unittest that checks each libfunc declared with a
>> >> known-valid
>> >> and known-invalid prototype.  New libfuncs added in the future are
>> >> required to have prototype checking in place; the known-valid test will
>> >> fail otherwise.
>> >>
>> >> Differential Revision: https://reviews.llvm.org/D28030
>> >>
>> >> Added:
>> >>     llvm/trunk/unittests/Analysis/TargetLibraryInfoTest.cpp
>> >> Modified:
>> >>     llvm/trunk/lib/Analysis/TargetLibraryInfo.cpp
>> >>     llvm/trunk/unittests/Analysis/CMakeLists.txt
>> >>
>> >> Modified: llvm/trunk/lib/Analysis/TargetLibraryInfo.cpp
>> >> URL:
>> >>
>> >> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/TargetLibraryInfo.cpp?rev=292188&r1=292187&r2=292188&view=diff
>> >>
>> >>
>> >> ==============================================================================
>> >> --- llvm/trunk/lib/Analysis/TargetLibraryInfo.cpp (original)
>> >> +++ llvm/trunk/lib/Analysis/TargetLibraryInfo.cpp Mon Jan 16 21:10:02
>> >> 2017
>> >> @@ -638,6 +638,7 @@ bool TargetLibraryInfoImpl::isValidProto
>> >>    case LibFunc::sscanf:
>> >>    case LibFunc::stat:
>> >>    case LibFunc::statvfs:
>> >> +  case LibFunc::siprintf:
>> >>    case LibFunc::sprintf:
>> >>      return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
>> >>              FTy.getParamType(1)->isPointerTy());
>> >> @@ -652,16 +653,16 @@ bool TargetLibraryInfoImpl::isValidProto
>> >>    case LibFunc::malloc:
>> >>      return (NumParams == 1 && FTy.getReturnType()->isPointerTy());
>> >>    case LibFunc::memcmp:
>> >> -    return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
>> >> -            FTy.getParamType(1)->isPointerTy() &&
>> >> -            FTy.getReturnType()->isIntegerTy(32));
>> >> +    return (NumParams == 3 && FTy.getReturnType()->isIntegerTy(32) &&
>> >> +            FTy.getParamType(0)->isPointerTy() &&
>> >> +            FTy.getParamType(1)->isPointerTy());
>> >>
>> >>    case LibFunc::memchr:
>> >>    case LibFunc::memrchr:
>> >> -    return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
>> >> +    return (NumParams == 3 && FTy.getReturnType()->isPointerTy() &&
>> >> +            FTy.getReturnType() == FTy.getParamType(0) &&
>> >>              FTy.getParamType(1)->isIntegerTy(32) &&
>> >> -            FTy.getParamType(2)->isIntegerTy() &&
>> >> -            FTy.getReturnType()->isPointerTy());
>> >> +            IsSizeTTy(FTy.getParamType(2)));
>> >>    case LibFunc::modf:
>> >>    case LibFunc::modff:
>> >>    case LibFunc::modfl:
>> >> @@ -697,8 +698,10 @@ bool TargetLibraryInfoImpl::isValidProto
>> >>    case LibFunc::memalign:
>> >>      return (FTy.getReturnType()->isPointerTy());
>> >>    case LibFunc::realloc:
>> >> -    return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() &&
>> >> -            FTy.getReturnType()->isPointerTy());
>> >> +  case LibFunc::reallocf:
>> >> +    return (NumParams == 2 && FTy.getReturnType() == PCharTy &&
>> >> +            FTy.getParamType(0) == FTy.getReturnType() &&
>> >> +            IsSizeTTy(FTy.getParamType(1)));
>> >>    case LibFunc::read:
>> >>      return (NumParams == 3 && FTy.getParamType(1)->isPointerTy());
>> >>    case LibFunc::rewind:
>> >> @@ -730,6 +733,7 @@ bool TargetLibraryInfoImpl::isValidProto
>> >>    case LibFunc::ferror:
>> >>    case LibFunc::getenv:
>> >>    case LibFunc::getpwnam:
>> >> +  case LibFunc::iprintf:
>> >>    case LibFunc::pclose:
>> >>    case LibFunc::perror:
>> >>    case LibFunc::printf:
>> >> @@ -740,6 +744,7 @@ bool TargetLibraryInfoImpl::isValidProto
>> >>    case LibFunc::unsetenv:
>> >>      return (NumParams == 1 && FTy.getParamType(0)->isPointerTy());
>> >>
>> >> +  case LibFunc::access:
>> >>    case LibFunc::chmod:
>> >>    case LibFunc::chown:
>> >>    case LibFunc::clearerr:
>> >> @@ -769,8 +774,6 @@ bool TargetLibraryInfoImpl::isValidProto
>> >>    case LibFunc::times:
>> >>      return (NumParams != 0 && FTy.getParamType(0)->isPointerTy());
>> >>
>> >> -  case LibFunc::access:
>> >> -    return (NumParams == 2 && FTy.getParamType(0)->isPointerTy());
>> >>    case LibFunc::fopen:
>> >>      return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
>> >>              FTy.getParamType(0)->isPointerTy() &&
>> >> @@ -801,14 +804,18 @@ bool TargetLibraryInfoImpl::isValidProto
>> >>      return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
>> >>              FTy.getParamType(1)->isPointerTy());
>> >>    case LibFunc::fscanf:
>> >> +  case LibFunc::fiprintf:
>> >>    case LibFunc::fprintf:
>> >> -    return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
>> >> +    return (NumParams >= 2 && FTy.getReturnType()->isIntegerTy() &&
>> >> +            FTy.getParamType(0)->isPointerTy() &&
>> >>              FTy.getParamType(1)->isPointerTy());
>> >>    case LibFunc::fgetpos:
>> >>      return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
>> >>              FTy.getParamType(1)->isPointerTy());
>> >> -  case LibFunc::gets:
>> >>    case LibFunc::getchar:
>> >> +    return (NumParams == 0 && FTy.getReturnType()->isIntegerTy());
>> >> +  case LibFunc::gets:
>> >> +    return (NumParams == 1 && FTy.getParamType(0) == PCharTy);
>> >>    case LibFunc::getitimer:
>> >>      return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
>> >>    case LibFunc::ungetc:
>> >> @@ -853,9 +860,13 @@ bool TargetLibraryInfoImpl::isValidProto
>> >>    case LibFunc::tmpfile:
>> >>      return (FTy.getReturnType()->isPointerTy());
>> >>    case LibFunc::htonl:
>> >> -  case LibFunc::htons:
>> >>    case LibFunc::ntohl:
>> >> +    return (NumParams == 1 && FTy.getReturnType()->isIntegerTy(32) &&
>> >> +            FTy.getReturnType() == FTy.getParamType(0));
>> >> +  case LibFunc::htons:
>> >>    case LibFunc::ntohs:
>> >> +    return (NumParams == 1 && FTy.getReturnType()->isIntegerTy(16) &&
>> >> +            FTy.getReturnType() == FTy.getParamType(0));
>> >>    case LibFunc::lstat:
>> >>      return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() &&
>> >>              FTy.getParamType(1)->isPointerTy());
>> >> @@ -896,38 +907,144 @@ bool TargetLibraryInfoImpl::isValidProto
>> >>      return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() &&
>> >>              FTy.getParamType(1)->isPointerTy());
>> >>
>> >> -  case LibFunc::Znwj:                    // new(unsigned int);
>> >> -  case LibFunc::Znwm:                    // new(unsigned long);
>> >> -  case LibFunc::Znaj:                    // new[](unsigned int);
>> >> -  case LibFunc::Znam:                    // new[](unsigned long);
>> >> -  case LibFunc::msvc_new_int:            // new(unsigned int);
>> >> -  case LibFunc::msvc_new_longlong:       // new(unsigned long long);
>> >> -  case LibFunc::msvc_new_array_int:      // new[](unsigned int);
>> >> -  case LibFunc::msvc_new_array_longlong: // new[](unsigned long long);
>> >> -    return (NumParams == 1);
>> >> +  // new(unsigned int);
>> >> +  case LibFunc::Znwj:
>> >> +  // new(unsigned long);
>> >> +  case LibFunc::Znwm:
>> >> +  // new[](unsigned int);
>> >> +  case LibFunc::Znaj:
>> >> +  // new[](unsigned long);
>> >> +  case LibFunc::Znam:
>> >> +  // new(unsigned int);
>> >> +  case LibFunc::msvc_new_int:
>> >> +  // new(unsigned long long);
>> >> +  case LibFunc::msvc_new_longlong:
>> >> +  // new[](unsigned int);
>> >> +  case LibFunc::msvc_new_array_int:
>> >> +  // new[](unsigned long long);
>> >> +  case LibFunc::msvc_new_array_longlong:
>> >> +    return (NumParams == 1 && FTy.getReturnType()->isPointerTy());
>> >> +
>> >> +  // new(unsigned int, nothrow);
>> >> +  case LibFunc::ZnwjRKSt9nothrow_t:
>> >> +  // new(unsigned long, nothrow);
>> >> +  case LibFunc::ZnwmRKSt9nothrow_t:
>> >> +  // new[](unsigned int, nothrow);
>> >> +  case LibFunc::ZnajRKSt9nothrow_t:
>> >> +  // new[](unsigned long, nothrow);
>> >> +  case LibFunc::ZnamRKSt9nothrow_t:
>> >> +  // new(unsigned int, nothrow);
>> >> +  case LibFunc::msvc_new_int_nothrow:
>> >> +  // new(unsigned long long, nothrow);
>> >> +  case LibFunc::msvc_new_longlong_nothrow:
>> >> +  // new[](unsigned int, nothrow);
>> >> +  case LibFunc::msvc_new_array_int_nothrow:
>> >> +  // new[](unsigned long long, nothrow);
>> >> +  case LibFunc::msvc_new_array_longlong_nothrow:
>> >> +    return (NumParams == 2 && FTy.getReturnType()->isPointerTy());
>> >> +
>> >> +  // void operator delete[](void*);
>> >> +  case LibFunc::ZdaPv:
>> >> +  // void operator delete(void*);
>> >> +  case LibFunc::ZdlPv:
>> >> +  // void operator delete[](void*);
>> >> +  case LibFunc::msvc_delete_array_ptr32:
>> >> +  // void operator delete[](void*);
>> >> +  case LibFunc::msvc_delete_array_ptr64:
>> >> +  // void operator delete(void*);
>> >> +  case LibFunc::msvc_delete_ptr32:
>> >> +  // void operator delete(void*);
>> >> +  case LibFunc::msvc_delete_ptr64:
>> >> +    return (NumParams == 1 && FTy.getParamType(0)->isPointerTy());
>> >> +
>> >> +  // void operator delete[](void*, nothrow);
>> >> +  case LibFunc::ZdaPvRKSt9nothrow_t:
>> >> +  // void operator delete[](void*, unsigned int);
>> >> +  case LibFunc::ZdaPvj:
>> >> +  // void operator delete[](void*, unsigned long);
>> >> +  case LibFunc::ZdaPvm:
>> >> +  // void operator delete(void*, nothrow);
>> >> +  case LibFunc::ZdlPvRKSt9nothrow_t:
>> >> +  // void operator delete(void*, unsigned int);
>> >> +  case LibFunc::ZdlPvj:
>> >> +  // void operator delete(void*, unsigned long);
>> >> +  case LibFunc::ZdlPvm:
>> >> +  // void operator delete[](void*, unsigned int);
>> >> +  case LibFunc::msvc_delete_array_ptr32_int:
>> >> +  // void operator delete[](void*, nothrow);
>> >> +  case LibFunc::msvc_delete_array_ptr32_nothrow:
>> >> +  // void operator delete[](void*, unsigned long long);
>> >> +  case LibFunc::msvc_delete_array_ptr64_longlong:
>> >> +  // void operator delete[](void*, nothrow);
>> >> +  case LibFunc::msvc_delete_array_ptr64_nothrow:
>> >> +  // void operator delete(void*, unsigned int);
>> >> +  case LibFunc::msvc_delete_ptr32_int:
>> >> +  // void operator delete(void*, nothrow);
>> >> +  case LibFunc::msvc_delete_ptr32_nothrow:
>> >> +  // void operator delete(void*, unsigned long long);
>> >> +  case LibFunc::msvc_delete_ptr64_longlong:
>> >> +  // void operator delete(void*, nothrow);
>> >> +  case LibFunc::msvc_delete_ptr64_nothrow:
>> >> +    return (NumParams == 2 && FTy.getParamType(0)->isPointerTy());
>> >>
>> >>    case LibFunc::memset_pattern16:
>> >>      return (!FTy.isVarArg() && NumParams == 3 &&
>> >> -            isa<PointerType>(FTy.getParamType(0)) &&
>> >> -            isa<PointerType>(FTy.getParamType(1)) &&
>> >> -            isa<IntegerType>(FTy.getParamType(2)));
>> >> +            FTy.getParamType(0)->isPointerTy() &&
>> >> +            FTy.getParamType(1)->isPointerTy() &&
>> >> +            FTy.getParamType(2)->isIntegerTy());
>> >>
>> >> -  // int __nvvm_reflect(const char *);
>> >> +  case LibFunc::cxa_guard_abort:
>> >> +  case LibFunc::cxa_guard_acquire:
>> >> +  case LibFunc::cxa_guard_release:
>> >>    case LibFunc::nvvm_reflect:
>> >> -    return (NumParams == 1 && isa<PointerType>(FTy.getParamType(0)));
>> >> +    return (NumParams == 1 && FTy.getParamType(0)->isPointerTy());
>> >>
>> >> +  case LibFunc::sincospi_stret:
>> >> +  case LibFunc::sincospif_stret:
>> >> +    return (NumParams == 1 &&
>> >> FTy.getParamType(0)->isFloatingPointTy());
>> >> +
>> >> +  case LibFunc::acos:
>> >> +  case LibFunc::acosf:
>> >> +  case LibFunc::acosh:
>> >> +  case LibFunc::acoshf:
>> >> +  case LibFunc::acoshl:
>> >> +  case LibFunc::acosl:
>> >> +  case LibFunc::asin:
>> >> +  case LibFunc::asinf:
>> >> +  case LibFunc::asinh:
>> >> +  case LibFunc::asinhf:
>> >> +  case LibFunc::asinhl:
>> >> +  case LibFunc::asinl:
>> >> +  case LibFunc::atan:
>> >> +  case LibFunc::atanf:
>> >> +  case LibFunc::atanh:
>> >> +  case LibFunc::atanhf:
>> >> +  case LibFunc::atanhl:
>> >> +  case LibFunc::atanl:
>> >> +  case LibFunc::cbrt:
>> >> +  case LibFunc::cbrtf:
>> >> +  case LibFunc::cbrtl:
>> >>    case LibFunc::ceil:
>> >>    case LibFunc::ceilf:
>> >>    case LibFunc::ceill:
>> >>    case LibFunc::cos:
>> >>    case LibFunc::cosf:
>> >> +  case LibFunc::cosh:
>> >> +  case LibFunc::coshf:
>> >> +  case LibFunc::coshl:
>> >>    case LibFunc::cosl:
>> >> +  case LibFunc::exp10:
>> >> +  case LibFunc::exp10f:
>> >> +  case LibFunc::exp10l:
>> >>    case LibFunc::exp2:
>> >>    case LibFunc::exp2f:
>> >>    case LibFunc::exp2l:
>> >>    case LibFunc::exp:
>> >>    case LibFunc::expf:
>> >>    case LibFunc::expl:
>> >> +  case LibFunc::expm1:
>> >> +  case LibFunc::expm1f:
>> >> +  case LibFunc::expm1l:
>> >>    case LibFunc::fabs:
>> >>    case LibFunc::fabsf:
>> >>    case LibFunc::fabsl:
>> >> @@ -937,10 +1054,16 @@ bool TargetLibraryInfoImpl::isValidProto
>> >>    case LibFunc::log10:
>> >>    case LibFunc::log10f:
>> >>    case LibFunc::log10l:
>> >> +  case LibFunc::log1p:
>> >> +  case LibFunc::log1pf:
>> >> +  case LibFunc::log1pl:
>> >>    case LibFunc::log2:
>> >>    case LibFunc::log2f:
>> >>    case LibFunc::log2l:
>> >>    case LibFunc::log:
>> >> +  case LibFunc::logb:
>> >> +  case LibFunc::logbf:
>> >> +  case LibFunc::logbl:
>> >>    case LibFunc::logf:
>> >>    case LibFunc::logl:
>> >>    case LibFunc::nearbyint:
>> >> @@ -954,12 +1077,21 @@ bool TargetLibraryInfoImpl::isValidProto
>> >>    case LibFunc::roundl:
>> >>    case LibFunc::sin:
>> >>    case LibFunc::sinf:
>> >> +  case LibFunc::sinh:
>> >> +  case LibFunc::sinhf:
>> >> +  case LibFunc::sinhl:
>> >>    case LibFunc::sinl:
>> >>    case LibFunc::sqrt:
>> >> +  case LibFunc::sqrt_finite:
>> >>    case LibFunc::sqrtf:
>> >> +  case LibFunc::sqrtf_finite:
>> >>    case LibFunc::sqrtl:
>> >> +  case LibFunc::sqrtl_finite:
>> >>    case LibFunc::tan:
>> >>    case LibFunc::tanf:
>> >> +  case LibFunc::tanh:
>> >> +  case LibFunc::tanhf:
>> >> +  case LibFunc::tanhl:
>> >>    case LibFunc::tanl:
>> >>    case LibFunc::trunc:
>> >>    case LibFunc::truncf:
>> >> @@ -967,12 +1099,18 @@ bool TargetLibraryInfoImpl::isValidProto
>> >>      return (NumParams == 1 && FTy.getReturnType()->isFloatingPointTy()
>> >> &&
>> >>              FTy.getReturnType() == FTy.getParamType(0));
>> >>
>> >> +  case LibFunc::atan2:
>> >> +  case LibFunc::atan2f:
>> >> +  case LibFunc::atan2l:
>> >>    case LibFunc::fmin:
>> >>    case LibFunc::fminf:
>> >>    case LibFunc::fminl:
>> >>    case LibFunc::fmax:
>> >>    case LibFunc::fmaxf:
>> >>    case LibFunc::fmaxl:
>> >> +  case LibFunc::fmod:
>> >> +  case LibFunc::fmodf:
>> >> +  case LibFunc::fmodl:
>> >>    case LibFunc::copysign:
>> >>    case LibFunc::copysignf:
>> >>    case LibFunc::copysignl:
>> >> @@ -983,6 +1121,13 @@ bool TargetLibraryInfoImpl::isValidProto
>> >>              FTy.getReturnType() == FTy.getParamType(0) &&
>> >>              FTy.getReturnType() == FTy.getParamType(1));
>> >>
>> >> +  case LibFunc::ldexp:
>> >> +  case LibFunc::ldexpf:
>> >> +  case LibFunc::ldexpl:
>> >> +    return (NumParams == 2 && FTy.getReturnType()->isFloatingPointTy()
>> >> &&
>> >> +            FTy.getReturnType() == FTy.getParamType(0) &&
>> >> +            FTy.getParamType(1)->isIntegerTy(32));
>> >> +
>> >>    case LibFunc::ffs:
>> >>    case LibFunc::ffsl:
>> >>    case LibFunc::ffsll:
>> >> @@ -995,6 +1140,7 @@ bool TargetLibraryInfoImpl::isValidProto
>> >>    case LibFunc::isdigit:
>> >>    case LibFunc::isascii:
>> >>    case LibFunc::toascii:
>> >> +  case LibFunc::putchar:
>> >>      return (NumParams == 1 && FTy.getReturnType()->isIntegerTy(32) &&
>> >>              FTy.getReturnType() == FTy.getParamType(0));
>> >>
>> >> @@ -1020,11 +1166,20 @@ bool TargetLibraryInfoImpl::isValidProto
>> >>      return (NumParams == 1 && FTy.getReturnType()->isFloatTy() &&
>> >>              FTy.getReturnType() == FTy.getParamType(0));
>> >>
>> >> -  default:
>> >> -    // Assume the other functions are correct.
>> >> -    // FIXME: It'd be really nice to cover them all.
>> >> -    return true;
>> >> +  case LibFunc::strnlen:
>> >> +    return (NumParams == 2 && FTy.getReturnType() ==
>> >> FTy.getParamType(1)
>> >> &&
>> >> +            FTy.getParamType(0) == PCharTy &&
>> >> +            FTy.getParamType(1) == SizeTTy);
>> >> +
>> >> +  case LibFunc::posix_memalign:
>> >> +    return (NumParams == 3 && FTy.getReturnType()->isIntegerTy(32) &&
>> >> +            FTy.getParamType(0)->isPointerTy() &&
>> >> +            FTy.getParamType(1) == SizeTTy && FTy.getParamType(2) ==
>> >> SizeTTy);
>> >> +
>> >> +  case LibFunc::NumLibFuncs:
>> >> +    llvm_unreachable("Invalid sentinel libfunc value");
>> >>    }
>> >> +
>> >>  }
>> >>
>> >>  bool TargetLibraryInfoImpl::getLibFunc(const Function &FDecl,
>> >>
>> >> Modified: llvm/trunk/unittests/Analysis/CMakeLists.txt
>> >> URL:
>> >>
>> >> http://llvm.org/viewvc/llvm-project/llvm/trunk/unittests/Analysis/CMakeLists.txt?rev=292188&r1=292187&r2=292188&view=diff
>> >>
>> >>
>> >> ==============================================================================
>> >> --- llvm/trunk/unittests/Analysis/CMakeLists.txt (original)
>> >> +++ llvm/trunk/unittests/Analysis/CMakeLists.txt Mon Jan 16 21:10:02
>> >> 2017
>> >> @@ -18,6 +18,7 @@ add_llvm_unittest(AnalysisTests
>> >>    ProfileSummaryInfoTest.cpp
>> >>    ScalarEvolutionTest.cpp
>> >>    TBAATest.cpp
>> >> +  TargetLibraryInfoTest.cpp
>> >>    UnrollAnalyzer.cpp
>> >>    ValueTrackingTest.cpp
>> >>    )
>> >>
>> >> Added: llvm/trunk/unittests/Analysis/TargetLibraryInfoTest.cpp
>> >> URL:
>> >>
>> >> http://llvm.org/viewvc/llvm-project/llvm/trunk/unittests/Analysis/TargetLibraryInfoTest.cpp?rev=292188&view=auto
>> >>
>> >>
>> >> ==============================================================================
>> >> --- llvm/trunk/unittests/Analysis/TargetLibraryInfoTest.cpp (added)
>> >> +++ llvm/trunk/unittests/Analysis/TargetLibraryInfoTest.cpp Mon Jan 16
>> >> 21:10:02 2017
>> >> @@ -0,0 +1,481 @@
>> >> +//===--- TargetLibraryInfoTest.cpp - TLI/LibFunc unit tests
>> >> ---------------===//
>> >> +//
>> >> +//                     The LLVM Compiler Infrastructure
>> >> +//
>> >> +// This file is distributed under the University of Illinois Open
>> >> Source
>> >> +// License. See LICENSE.TXT for details.
>> >> +//
>> >>
>> >>
>> >> +//===----------------------------------------------------------------------===//
>> >> +
>> >> +#include "llvm/Analysis/TargetLibraryInfo.h"
>> >> +#include "llvm/AsmParser/Parser.h"
>> >> +#include "llvm/IR/LLVMContext.h"
>> >> +#include "llvm/IR/LegacyPassManager.h"
>> >> +#include "llvm/IR/Module.h"
>> >> +#include "llvm/Support/SourceMgr.h"
>> >> +#include "gtest/gtest.h"
>> >> +
>> >> +using namespace llvm;
>> >> +
>> >> +namespace {
>> >> +
>> >> +class TargetLibraryInfoTest : public testing::Test {
>> >> +protected:
>> >> +  LLVMContext Context;
>> >> +  TargetLibraryInfoImpl TLII;
>> >> +  TargetLibraryInfo TLI;
>> >> +
>> >> +  std::unique_ptr<Module> M;
>> >> +
>> >> +  TargetLibraryInfoTest() : TLI(TLII) {}
>> >> +
>> >> +  void parseAssembly(const char *Assembly) {
>> >> +    SMDiagnostic Error;
>> >> +    M = parseAssemblyString(Assembly, Error, Context);
>> >> +
>> >> +    std::string errMsg;
>> >> +    raw_string_ostream os(errMsg);
>> >> +    Error.print("", os);
>> >> +
>> >> +    if (!M)
>> >> +      report_fatal_error(os.str());
>> >> +  }
>> >> +
>> >> +  ::testing::AssertionResult isLibFunc(const Function *FDecl,
>> >> +                                       LibFunc::Func ExpectedLF) {
>> >> +    StringRef ExpectedLFName = TLI.getName(ExpectedLF);
>> >> +
>> >> +    if (!FDecl)
>> >> +      return ::testing::AssertionFailure() << ExpectedLFName << " not
>> >> found";
>> >> +
>> >> +    LibFunc::Func F;
>> >> +    if (!TLI.getLibFunc(*FDecl, F))
>> >> +      return ::testing::AssertionFailure() << ExpectedLFName << "
>> >> invalid";
>> >> +
>> >> +    return ::testing::AssertionSuccess() << ExpectedLFName << " is
>> >> LibFunc";
>> >> +  }
>> >> +};
>> >> +
>> >> +} // end anonymous namespace
>> >> +
>> >> +// Check that we don't accept egregiously incorrect prototypes.
>> >> +TEST_F(TargetLibraryInfoTest, InvalidProto) {
>> >> +  parseAssembly("%foo = type { %foo }\n");
>> >> +
>> >> +  auto *StructTy = M->getTypeByName("foo");
>> >> +  auto *InvalidFTy = FunctionType::get(StructTy, /*isVarArg=*/false);
>> >> +
>> >> +  for (unsigned FI = 0; FI != LibFunc::NumLibFuncs; ++FI) {
>> >> +    LibFunc::Func LF = (LibFunc::Func)FI;
>> >> +    auto *F = cast<Function>(
>> >> +        M->getOrInsertFunction(TLI.getName(LF), InvalidFTy));
>> >> +    EXPECT_FALSE(isLibFunc(F, LF));
>> >> +  }
>> >> +}
>> >> +
>> >> +// Check that we do accept know-correct prototypes.
>> >> +TEST_F(TargetLibraryInfoTest, ValidProto) {
>> >> +  parseAssembly(
>> >> +    // These functions use a 64-bit size_t; use the appropriate
>> >> datalayout.
>> >> +    "target datalayout = \"p:64:64:64\"\n"
>> >> +
>> >> +    // Struct pointers are replaced with an opaque pointer.
>> >> +    "%struct = type opaque\n"
>> >> +
>> >> +    // These functions were extracted as-is from the OS X headers.
>> >> +    "declare double @__cospi(double)\n"
>> >> +    "declare float @__cospif(float)\n"
>> >> +    "declare { double, double } @__sincospi_stret(double)\n"
>> >> +    "declare <2 x float> @__sincospif_stret(float)\n"
>> >> +    "declare double @__sinpi(double)\n"
>> >> +    "declare float @__sinpif(float)\n"
>> >> +    "declare i32 @abs(i32)\n"
>> >> +    "declare i32 @access(i8*, i32)\n"
>> >> +    "declare double @acos(double)\n"
>> >> +    "declare float @acosf(float)\n"
>> >> +    "declare double @acosh(double)\n"
>> >> +    "declare float @acoshf(float)\n"
>> >> +    "declare x86_fp80 @acoshl(x86_fp80)\n"
>> >> +    "declare x86_fp80 @acosl(x86_fp80)\n"
>> >> +    "declare double @asin(double)\n"
>> >> +    "declare float @asinf(float)\n"
>> >> +    "declare double @asinh(double)\n"
>> >> +    "declare float @asinhf(float)\n"
>> >> +    "declare x86_fp80 @asinhl(x86_fp80)\n"
>> >> +    "declare x86_fp80 @asinl(x86_fp80)\n"
>> >> +    "declare double @atan(double)\n"
>> >> +    "declare double @atan2(double, double)\n"
>> >> +    "declare float @atan2f(float, float)\n"
>> >> +    "declare x86_fp80 @atan2l(x86_fp80, x86_fp80)\n"
>> >> +    "declare float @atanf(float)\n"
>> >> +    "declare double @atanh(double)\n"
>> >> +    "declare float @atanhf(float)\n"
>> >> +    "declare x86_fp80 @atanhl(x86_fp80)\n"
>> >> +    "declare x86_fp80 @atanl(x86_fp80)\n"
>> >> +    "declare double @atof(i8*)\n"
>> >> +    "declare i32 @atoi(i8*)\n"
>> >> +    "declare i64 @atol(i8*)\n"
>> >> +    "declare i64 @atoll(i8*)\n"
>> >> +    "declare i32 @bcmp(i8*, i8*, i64)\n"
>> >> +    "declare void @bcopy(i8*, i8*, i64)\n"
>> >> +    "declare void @bzero(i8*, i64)\n"
>> >> +    "declare i8* @calloc(i64, i64)\n"
>> >> +    "declare double @cbrt(double)\n"
>> >> +    "declare float @cbrtf(float)\n"
>> >> +    "declare x86_fp80 @cbrtl(x86_fp80)\n"
>> >> +    "declare double @ceil(double)\n"
>> >> +    "declare float @ceilf(float)\n"
>> >> +    "declare x86_fp80 @ceill(x86_fp80)\n"
>> >> +    "declare i32 @chown(i8*, i32, i32)\n"
>> >> +    "declare void @clearerr(%struct*)\n"
>> >> +    "declare double @copysign(double, double)\n"
>> >> +    "declare float @copysignf(float, float)\n"
>> >> +    "declare x86_fp80 @copysignl(x86_fp80, x86_fp80)\n"
>> >> +    "declare double @cos(double)\n"
>> >> +    "declare float @cosf(float)\n"
>> >> +    "declare double @cosh(double)\n"
>> >> +    "declare float @coshf(float)\n"
>> >> +    "declare x86_fp80 @coshl(x86_fp80)\n"
>> >> +    "declare x86_fp80 @cosl(x86_fp80)\n"
>> >> +    "declare i8* @ctermid(i8*)\n"
>> >> +    "declare double @exp(double)\n"
>> >> +    "declare double @exp2(double)\n"
>> >> +    "declare float @exp2f(float)\n"
>> >> +    "declare x86_fp80 @exp2l(x86_fp80)\n"
>> >> +    "declare float @expf(float)\n"
>> >> +    "declare x86_fp80 @expl(x86_fp80)\n"
>> >> +    "declare double @expm1(double)\n"
>> >> +    "declare float @expm1f(float)\n"
>> >> +    "declare x86_fp80 @expm1l(x86_fp80)\n"
>> >> +    "declare double @fabs(double)\n"
>> >> +    "declare float @fabsf(float)\n"
>> >> +    "declare x86_fp80 @fabsl(x86_fp80)\n"
>> >> +    "declare i32 @fclose(%struct*)\n"
>> >> +    "declare i32 @feof(%struct*)\n"
>> >> +    "declare i32 @ferror(%struct*)\n"
>> >> +    "declare i32 @fflush(%struct*)\n"
>> >> +    "declare i32 @ffs(i32)\n"
>> >> +    "declare i32 @ffsl(i64)\n"
>> >> +    "declare i32 @ffsll(i64)\n"
>> >> +    "declare i32 @fgetc(%struct*)\n"
>> >> +    "declare i32 @fgetpos(%struct*, i64*)\n"
>> >> +    "declare i8* @fgets(i8*, i32, %struct*)\n"
>> >> +    "declare i32 @fileno(%struct*)\n"
>> >> +    "declare void @flockfile(%struct*)\n"
>> >> +    "declare double @floor(double)\n"
>> >> +    "declare float @floorf(float)\n"
>> >> +    "declare x86_fp80 @floorl(x86_fp80)\n"
>> >> +    "declare i32 @fls(i32)\n"
>> >> +    "declare i32 @flsl(i64)\n"
>> >> +    "declare i32 @flsll(i64)\n"
>> >> +    "declare double @fmax(double, double)\n"
>> >> +    "declare float @fmaxf(float, float)\n"
>> >> +    "declare x86_fp80 @fmaxl(x86_fp80, x86_fp80)\n"
>> >> +    "declare double @fmin(double, double)\n"
>> >> +    "declare float @fminf(float, float)\n"
>> >> +    "declare x86_fp80 @fminl(x86_fp80, x86_fp80)\n"
>> >> +    "declare double @fmod(double, double)\n"
>> >> +    "declare float @fmodf(float, float)\n"
>> >> +    "declare x86_fp80 @fmodl(x86_fp80, x86_fp80)\n"
>> >> +    "declare i32 @fprintf(%struct*, i8*, ...)\n"
>> >> +    "declare i32 @fputc(i32, %struct*)\n"
>> >> +    "declare i64 @fread(i8*, i64, i64, %struct*)\n"
>> >> +    "declare void @free(i8*)\n"
>> >> +    "declare double @frexp(double, i32*)\n"
>> >> +    "declare float @frexpf(float, i32*)\n"
>> >> +    "declare x86_fp80 @frexpl(x86_fp80, i32*)\n"
>> >> +    "declare i32 @fscanf(%struct*, i8*, ...)\n"
>> >> +    "declare i32 @fseek(%struct*, i64, i32)\n"
>> >> +    "declare i32 @fseeko(%struct*, i64, i32)\n"
>> >> +    "declare i32 @fsetpos(%struct*, i64*)\n"
>> >> +    "declare i32 @fstatvfs(i32, %struct*)\n"
>> >> +    "declare i64 @ftell(%struct*)\n"
>> >> +    "declare i64 @ftello(%struct*)\n"
>> >> +    "declare i32 @ftrylockfile(%struct*)\n"
>> >> +    "declare void @funlockfile(%struct*)\n"
>> >> +    "declare i32 @getc(%struct*)\n"
>> >> +    "declare i32 @getc_unlocked(%struct*)\n"
>> >> +    "declare i32 @getchar()\n"
>> >> +    "declare i8* @getenv(i8*)\n"
>> >> +    "declare i32 @getitimer(i32, %struct*)\n"
>> >> +    "declare i32 @getlogin_r(i8*, i64)\n"
>> >> +    "declare %struct* @getpwnam(i8*)\n"
>> >> +    "declare i8* @gets(i8*)\n"
>> >> +    "declare i32 @gettimeofday(%struct*, i8*)\n"
>> >> +    "declare i32 @_Z7isasciii(i32)\n"
>> >> +    "declare i32 @_Z7isdigiti(i32)\n"
>> >> +    "declare i64 @labs(i64)\n"
>> >> +    "declare double @ldexp(double, i32)\n"
>> >> +    "declare float @ldexpf(float, i32)\n"
>> >> +    "declare x86_fp80 @ldexpl(x86_fp80, i32)\n"
>> >> +    "declare i64 @llabs(i64)\n"
>> >> +    "declare double @log(double)\n"
>> >> +    "declare double @log10(double)\n"
>> >> +    "declare float @log10f(float)\n"
>> >> +    "declare x86_fp80 @log10l(x86_fp80)\n"
>> >> +    "declare double @log1p(double)\n"
>> >> +    "declare float @log1pf(float)\n"
>> >> +    "declare x86_fp80 @log1pl(x86_fp80)\n"
>> >> +    "declare double @log2(double)\n"
>> >> +    "declare float @log2f(float)\n"
>> >> +    "declare x86_fp80 @log2l(x86_fp80)\n"
>> >> +    "declare double @logb(double)\n"
>> >> +    "declare float @logbf(float)\n"
>> >> +    "declare x86_fp80 @logbl(x86_fp80)\n"
>> >> +    "declare float @logf(float)\n"
>> >> +    "declare x86_fp80 @logl(x86_fp80)\n"
>> >> +    "declare i8* @malloc(i64)\n"
>> >> +    "declare i8* @memccpy(i8*, i8*, i32, i64)\n"
>> >> +    "declare i8* @memchr(i8*, i32, i64)\n"
>> >> +    "declare i32 @memcmp(i8*, i8*, i64)\n"
>> >> +    "declare i8* @memcpy(i8*, i8*, i64)\n"
>> >> +    "declare i8* @memmove(i8*, i8*, i64)\n"
>> >> +    "declare i8* @memset(i8*, i32, i64)\n"
>> >> +    "declare void @memset_pattern16(i8*, i8*, i64)\n"
>> >> +    "declare i32 @mkdir(i8*, i16)\n"
>> >> +    "declare double @modf(double, double*)\n"
>> >> +    "declare float @modff(float, float*)\n"
>> >> +    "declare x86_fp80 @modfl(x86_fp80, x86_fp80*)\n"
>> >> +    "declare double @nearbyint(double)\n"
>> >> +    "declare float @nearbyintf(float)\n"
>> >> +    "declare x86_fp80 @nearbyintl(x86_fp80)\n"
>> >> +    "declare i32 @pclose(%struct*)\n"
>> >> +    "declare void @perror(i8*)\n"
>> >> +    "declare i32 @posix_memalign(i8**, i64, i64)\n"
>> >> +    "declare double @pow(double, double)\n"
>> >> +    "declare float @powf(float, float)\n"
>> >> +    "declare x86_fp80 @powl(x86_fp80, x86_fp80)\n"
>> >> +    "declare i32 @printf(i8*, ...)\n"
>> >> +    "declare i32 @putc(i32, %struct*)\n"
>> >> +    "declare i32 @putchar(i32)\n"
>> >> +    "declare i32 @puts(i8*)\n"
>> >> +    "declare void @qsort(i8*, i64, i64, i32 (i8*, i8*)*)\n"
>> >> +    "declare i64 @readlink(i8*, i8*, i64)\n"
>> >> +    "declare i8* @realloc(i8*, i64)\n"
>> >> +    "declare i8* @reallocf(i8*, i64)\n"
>> >> +    "declare i32 @remove(i8*)\n"
>> >> +    "declare i32 @rename(i8*, i8*)\n"
>> >> +    "declare void @rewind(%struct*)\n"
>> >> +    "declare double @rint(double)\n"
>> >> +    "declare float @rintf(float)\n"
>> >> +    "declare x86_fp80 @rintl(x86_fp80)\n"
>> >> +    "declare i32 @rmdir(i8*)\n"
>> >> +    "declare double @round(double)\n"
>> >> +    "declare float @roundf(float)\n"
>> >> +    "declare x86_fp80 @roundl(x86_fp80)\n"
>> >> +    "declare i32 @scanf(i8*, ...)\n"
>> >> +    "declare void @setbuf(%struct*, i8*)\n"
>> >> +    "declare i32 @setitimer(i32, %struct*, %struct*)\n"
>> >> +    "declare i32 @setvbuf(%struct*, i8*, i32, i64)\n"
>> >> +    "declare double @sin(double)\n"
>> >> +    "declare float @sinf(float)\n"
>> >> +    "declare double @sinh(double)\n"
>> >> +    "declare float @sinhf(float)\n"
>> >> +    "declare x86_fp80 @sinhl(x86_fp80)\n"
>> >> +    "declare x86_fp80 @sinl(x86_fp80)\n"
>> >> +    "declare i32 @snprintf(i8*, i64, i8*, ...)\n"
>> >> +    "declare i32 @sprintf(i8*, i8*, ...)\n"
>> >> +    "declare double @sqrt(double)\n"
>> >> +    "declare float @sqrtf(float)\n"
>> >> +    "declare x86_fp80 @sqrtl(x86_fp80)\n"
>> >> +    "declare i32 @sscanf(i8*, i8*, ...)\n"
>> >> +    "declare i32 @statvfs(i8*, %struct*)\n"
>> >> +    "declare i8* @stpcpy(i8*, i8*)\n"
>> >> +    "declare i8* @stpncpy(i8*, i8*, i64)\n"
>> >> +    "declare i32 @strcasecmp(i8*, i8*)\n"
>> >> +    "declare i8* @strcat(i8*, i8*)\n"
>> >> +    "declare i8* @strchr(i8*, i32)\n"
>> >> +    "declare i32 @strcmp(i8*, i8*)\n"
>> >> +    "declare i32 @strcoll(i8*, i8*)\n"
>> >> +    "declare i8* @strcpy(i8*, i8*)\n"
>> >> +    "declare i64 @strcspn(i8*, i8*)\n"
>> >> +    "declare i8* @strdup(i8*)\n"
>> >> +    "declare i64 @strlen(i8*)\n"
>> >> +    "declare i32 @strncasecmp(i8*, i8*, i64)\n"
>> >> +    "declare i8* @strncat(i8*, i8*, i64)\n"
>> >> +    "declare i32 @strncmp(i8*, i8*, i64)\n"
>> >> +    "declare i8* @strncpy(i8*, i8*, i64)\n"
>> >> +    "declare i8* @strndup(i8*, i64)\n"
>> >> +    "declare i64 @strnlen(i8*, i64)\n"
>> >> +    "declare i8* @strpbrk(i8*, i8*)\n"
>> >> +    "declare i8* @strrchr(i8*, i32)\n"
>> >> +    "declare i64 @strspn(i8*, i8*)\n"
>> >> +    "declare i8* @strstr(i8*, i8*)\n"
>> >> +    "declare i8* @strtok(i8*, i8*)\n"
>> >> +    "declare i8* @strtok_r(i8*, i8*, i8**)\n"
>> >> +    "declare i64 @strtol(i8*, i8**, i32)\n"
>> >> +    "declare x86_fp80 @strtold(i8*, i8**)\n"
>> >> +    "declare i64 @strtoll(i8*, i8**, i32)\n"
>> >> +    "declare i64 @strtoul(i8*, i8**, i32)\n"
>> >> +    "declare i64 @strtoull(i8*, i8**, i32)\n"
>> >> +    "declare i64 @strxfrm(i8*, i8*, i64)\n"
>> >> +    "declare double @tan(double)\n"
>> >> +    "declare float @tanf(float)\n"
>> >> +    "declare double @tanh(double)\n"
>> >> +    "declare float @tanhf(float)\n"
>> >> +    "declare x86_fp80 @tanhl(x86_fp80)\n"
>> >> +    "declare x86_fp80 @tanl(x86_fp80)\n"
>> >> +    "declare i64 @times(%struct*)\n"
>> >> +    "declare %struct* @tmpfile()\n"
>> >> +    "declare i32 @_Z7toasciii(i32)\n"
>> >> +    "declare double @trunc(double)\n"
>> >> +    "declare float @truncf(float)\n"
>> >> +    "declare x86_fp80 @truncl(x86_fp80)\n"
>> >> +    "declare i32 @uname(%struct*)\n"
>> >> +    "declare i32 @ungetc(i32, %struct*)\n"
>> >> +    "declare i32 @unlink(i8*)\n"
>> >> +    "declare i32 @utime(i8*, %struct*)\n"
>> >> +    "declare i32 @utimes(i8*, %struct*)\n"
>> >> +    "declare i8* @valloc(i64)\n"
>> >> +    "declare i32 @vfprintf(%struct*, i8*, %struct*)\n"
>> >> +    "declare i32 @vfscanf(%struct*, i8*, %struct*)\n"
>> >> +    "declare i32 @vprintf(i8*, %struct*)\n"
>> >> +    "declare i32 @vscanf(i8*, %struct*)\n"
>> >> +    "declare i32 @vsnprintf(i8*, i64, i8*, %struct*)\n"
>> >> +    "declare i32 @vsprintf(i8*, i8*, %struct*)\n"
>> >> +    "declare i32 @vsscanf(i8*, i8*, %struct*)\n"
>> >> +
>> >> +    // These functions were also extracted from the OS X headers, but
>> >> they are
>> >> +    // available with a special name on darwin.
>> >> +    // This test uses the default TLI name instead.
>> >> +    "declare i32 @chmod(i8*, i16)\n"
>> >> +    "declare i32 @closedir(%struct*)\n"
>> >> +    "declare %struct* @fdopen(i32, i8*)\n"
>> >> +    "declare %struct* @fopen(i8*, i8*)\n"
>> >> +    "declare i32 @fputs(i8*, %struct*)\n"
>> >> +    "declare i32 @fstat(i32, %struct*)\n"
>> >> +    "declare i64 @fwrite(i8*, i64, i64, %struct*)\n"
>> >> +    "declare i32 @lchown(i8*, i32, i32)\n"
>> >> +    "declare i32 @lstat(i8*, %struct*)\n"
>> >> +    "declare i64 @mktime(%struct*)\n"
>> >> +    "declare i32 @open(i8*, i32, ...)\n"
>> >> +    "declare %struct* @opendir(i8*)\n"
>> >> +    "declare %struct* @popen(i8*, i8*)\n"
>> >> +    "declare i64 @pread(i32, i8*, i64, i64)\n"
>> >> +    "declare i64 @pwrite(i32, i8*, i64, i64)\n"
>> >> +    "declare i64 @read(i32, i8*, i64)\n"
>> >> +    "declare i8* @realpath(i8*, i8*)\n"
>> >> +    "declare i32 @stat(i8*, %struct*)\n"
>> >> +    "declare double @strtod(i8*, i8**)\n"
>> >> +    "declare float @strtof(i8*, i8**)\n"
>> >> +    "declare i32 @system(i8*)\n"
>> >> +    "declare i32 @unsetenv(i8*)\n"
>> >> +    "declare i64 @write(i32, i8*, i64)\n"
>> >> +
>> >> +    // These functions are available on Linux but not Darwin; they
>> >> only
>> >> differ
>> >> +    // from their non-64 counterparts in the struct type.
>> >> +    // Use the same prototype as the non-64 variant.
>> >> +    "declare %struct* @fopen64(i8*, i8*)\n"
>> >> +    "declare i32 @fstat64(i32, %struct*)\n"
>> >> +    "declare i32 @fstatvfs64(i32, %struct*)\n"
>> >> +    "declare i32 @lstat64(i8*, %struct*)\n"
>> >> +    "declare i32 @open64(i8*, i32, ...)\n"
>> >> +    "declare i32 @stat64(i8*, %struct*)\n"
>> >> +    "declare i32 @statvfs64(i8*, %struct*)\n"
>> >> +    "declare %struct* @tmpfile64()\n"
>> >> +
>> >> +    // These functions are also -64 variants, but do differ in the
>> >> type
>> >> of the
>> >> +    // off_t (vs off64_t) parameter.  The non-64 variants declared
>> >> above
>> >> used
>> >> +    // a 64-bit off_t, so, in practice, they are also equivalent.
>> >> +    "declare i32 @fseeko64(%struct*, i64, i32)\n"
>> >> +    "declare i64 @ftello64(%struct*)\n"
>> >> +
>> >> +    "declare void @_ZdaPv(i8*)\n"
>> >> +    "declare void @_ZdaPvRKSt9nothrow_t(i8*, %struct*)\n"
>> >> +    "declare void @_ZdaPvj(i8*, i32)\n"
>> >> +    "declare void @_ZdaPvm(i8*, i64)\n"
>> >> +    "declare void @_ZdlPv(i8*)\n"
>> >> +    "declare void @_ZdlPvRKSt9nothrow_t(i8*, %struct*)\n"
>> >> +    "declare void @_ZdlPvj(i8*, i32)\n"
>> >> +    "declare void @_ZdlPvm(i8*, i64)\n"
>> >> +    "declare i8* @_Znaj(i32)\n"
>> >> +    "declare i8* @_ZnajRKSt9nothrow_t(i32, %struct*)\n"
>> >> +    "declare i8* @_Znam(i64)\n"
>> >> +    "declare i8* @_ZnamRKSt9nothrow_t(i64, %struct*)\n"
>> >> +    "declare i8* @_Znwj(i32)\n"
>> >> +    "declare i8* @_ZnwjRKSt9nothrow_t(i32, %struct*)\n"
>> >> +    "declare i8* @_Znwm(i64)\n"
>> >> +    "declare i8* @_ZnwmRKSt9nothrow_t(i64, %struct*)\n"
>> >> +
>> >> +    "declare void @\"??3 at YAXPEAX@Z\"(i8*)\n"
>> >> +    "declare void @\"??3 at YAXPEAXAEBUnothrow_t@std@@@Z\"(i8*,
>> >> %struct*)\n"
>> >> +    "declare void @\"??3 at YAXPEAX_K@Z\"(i8*, i64)\n"
>> >> +    "declare void @\"??_V at YAXPEAX@Z\"(i8*)\n"
>> >> +    "declare void @\"??_V at YAXPEAXAEBUnothrow_t@std@@@Z\"(i8*,
>> >> %struct*)\n"
>> >> +    "declare void @\"??_V at YAXPEAX_K@Z\"(i8*, i64)\n"
>> >> +    "declare i8* @\"??2 at YAPAXI@Z\"(i32)\n"
>> >> +    "declare i8* @\"??2 at YAPAXIABUnothrow_t@std@@@Z\"(i32, %struct*)\n"
>> >> +    "declare i8* @\"??2 at YAPEAX_K@Z\"(i64)\n"
>> >> +    "declare i8* @\"??2 at YAPEAX_KAEBUnothrow_t@std@@@Z\"(i64,
>> >> %struct*)\n"
>> >> +    "declare i8* @\"??_U at YAPAXI@Z\"(i32)\n"
>> >> +    "declare i8* @\"??_U at YAPAXIABUnothrow_t@std@@@Z\"(i32,
>> >> %struct*)\n"
>> >> +    "declare i8* @\"??_U at YAPEAX_K@Z\"(i64)\n"
>> >> +    "declare i8* @\"??_U at YAPEAX_KAEBUnothrow_t@std@@@Z\"(i64,
>> >> %struct*)\n"
>> >> +
>> >> +    "declare void @\"??3 at YAXPAX@Z\"(i8*)\n"
>> >> +    "declare void @\"??3 at YAXPAXABUnothrow_t@std@@@Z\"(i8*,
>> >> %struct*)\n"
>> >> +    "declare void @\"??3 at YAXPAXI@Z\"(i8*, i32)\n"
>> >> +    "declare void @\"??_V at YAXPAX@Z\"(i8*)\n"
>> >> +    "declare void @\"??_V at YAXPAXABUnothrow_t@std@@@Z\"(i8*,
>> >> %struct*)\n"
>> >> +    "declare void @\"??_V at YAXPAXI@Z\"(i8*, i32)\n"
>> >> +
>> >> +    // These other functions were derived from the .def C declaration.
>> >> +    "declare i32 @__cxa_atexit(void (i8*)*, i8*, i8*)\n"
>> >> +    "declare void @__cxa_guard_abort(%struct*)\n"
>> >> +    "declare i32 @__cxa_guard_acquire(%struct*)\n"
>> >> +    "declare void @__cxa_guard_release(%struct*)\n"
>> >> +
>> >> +    "declare i32 @__nvvm_reflect(i8*)\n"
>> >> +
>> >> +    "declare i8* @__memcpy_chk(i8*, i8*, i64, i64)\n"
>> >> +    "declare i8* @__memmove_chk(i8*, i8*, i64, i64)\n"
>> >> +    "declare i8* @__memset_chk(i8*, i32, i64, i64)\n"
>> >> +    "declare i8* @__stpcpy_chk(i8*, i8*, i64)\n"
>> >> +    "declare i8* @__stpncpy_chk(i8*, i8*, i64, i64)\n"
>> >> +    "declare i8* @__strcpy_chk(i8*, i8*, i64)\n"
>> >> +    "declare i8* @__strncpy_chk(i8*, i8*, i64, i64)\n"
>> >> +
>> >> +    "declare i8* @memalign(i64, i64)\n"
>> >> +    "declare i8* @mempcpy(i8*, i8*, i64)\n"
>> >> +    "declare i8* @memrchr(i8*, i32, i64)\n"
>> >> +
>> >> +    // These are similar to the FILE* fgetc/fputc.
>> >> +    "declare i32 @_IO_getc(%struct*)\n"
>> >> +    "declare i32 @_IO_putc(i32, %struct*)\n"
>> >> +
>> >> +    "declare i32 @__isoc99_scanf(i8*, ...)\n"
>> >> +    "declare i32 @__isoc99_sscanf(i8*, i8*, ...)\n"
>> >> +    "declare i8* @__strdup(i8*)\n"
>> >> +    "declare i8* @__strndup(i8*, i64)\n"
>> >> +    "declare i8* @__strtok_r(i8*, i8*, i8**)\n"
>> >> +
>> >> +    "declare double @__sqrt_finite(double)\n"
>> >> +    "declare float @__sqrtf_finite(float)\n"
>> >> +    "declare x86_fp80 @__sqrtl_finite(x86_fp80)\n"
>> >> +    "declare double @exp10(double)\n"
>> >> +    "declare float @exp10f(float)\n"
>> >> +    "declare x86_fp80 @exp10l(x86_fp80)\n"
>> >> +
>> >> +    // These printf variants have the same prototype as the non-'i'
>> >> versions.
>> >> +    "declare i32 @fiprintf(%struct*, i8*, ...)\n"
>> >> +    "declare i32 @iprintf(i8*, ...)\n"
>> >> +    "declare i32 @siprintf(i8*, i8*, ...)\n"
>> >> +
>> >> +    "declare i32 @htonl(i32)\n"
>> >> +    "declare i16 @htons(i16)\n"
>> >> +    "declare i32 @ntohl(i32)\n"
>> >> +    "declare i16 @ntohs(i16)\n"
>> >> +
>> >> +    "declare i32 @isascii(i32)\n"
>> >> +    "declare i32 @isdigit(i32)\n"
>> >> +    "declare i32 @toascii(i32)\n"
>> >> +    );
>> >> +
>> >> +  for (unsigned FI = 0; FI != LibFunc::NumLibFuncs; ++FI) {
>> >> +    LibFunc::Func LF = (LibFunc::Func)FI;
>> >> +    // Make sure everything is available; we're not testing target
>> >> defaults.
>> >> +    TLII.setAvailable(LF);
>> >> +    Function *F = M->getFunction(TLI.getName(LF));
>> >> +    EXPECT_TRUE(isLibFunc(F, LF));
>> >> +  }
>> >> +}
>> >>
>> >>
>> >> _______________________________________________
>> >> llvm-commits mailing list
>> >> llvm-commits at lists.llvm.org
>> >> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-commits
>> >
>> >
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