1//===-- TargetLibraryInfo.cpp - Runtime library information ----------------==// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7//===----------------------------------------------------------------------===// 9// This file implements the TargetLibraryInfo class. 11//===----------------------------------------------------------------------===// 27"No vector functions library"),
29"Accelerate framework"),
31"Darwin_libsystem_m",
"Darwin libsystem_m"),
33"GLIBC Vector Math library"),
35"IBM MASS vector library"),
39"SIMD Library for Evaluating Elementary Functions"),
41"Arm Performance Libraries"),
43"AMD vector math library")));
45StringLiteralconst TargetLibraryInfoImpl::StandardNames[LibFunc::NumLibFuncs] =
47#define TLI_DEFINE_STRING 48#include "llvm/Analysis/TargetLibraryInfo.def" 52assert(!VectorFnName.
empty() &&
"Vector function name must not be empty.");
55 Out << VABIPrefix <<
"_" << ScalarFnName <<
"(" << VectorFnName <<
")";
56return std::string(Out.
str());
59// Recognized types of library function arguments and return types. 62Bool,
// 8 bits on all targets 67Long,
// Either 32 or 64 bits. 75LDbl,
// Any floating type (TODO: tighten this up). 77Ptr,
// Any pointer type. 80Same,
// Same argument type as the previous one. 87#include "llvm/Analysis/TargetLibraryInfo.def" 91"Missing library function signatures");
94// Only Darwin variants have _stret versions of combined trig functions. 98// The ABI is rather complicated on x86, so don't do anything special there. 102if (
T.isMacOSX() &&
T.isMacOSXVersionLT(10, 9))
105if (
T.isiOS() &&
T.isOSVersionLT(7, 0))
112// Posix removed support from bcmp() in 2001, but the glibc and several 113// implementations of the libc still have it. 115return TT.isGNUEnvironment() || TT.isMusl();
116// Both NetBSD and OpenBSD are planning to remove the function. Windows does 118return TT.isOSFreeBSD() || TT.isOSSolaris();
132// The iOS ABI diverges from the standard in some cases, so for now don't 133// try to simplify those calls. 137if (!FuncTy->getReturnType()->isPointerTy() &&
138 !FuncTy->getReturnType()->isIntegerTy() &&
139 !FuncTy->getReturnType()->isVoidTy())
142for (
auto *Param : FuncTy->params()) {
143if (!Param->isPointerTy() && !Param->isIntegerTy())
159 return ::isCallingConvCCompatible(
F->getCallingConv(),
160F->getParent()->getTargetTriple(),
161F->getFunctionType());
165bool ShouldExtI32Param, ShouldExtI32Return;
166bool ShouldSignExtI32Param, ShouldSignExtI32Return;
168 ShouldExtI32Param, ShouldExtI32Return, ShouldSignExtI32Param,
169 ShouldSignExtI32Return,
T);
175// Let's assume by default that the size of int is 32 bits, unless the target 176// is a 16-bit architecture because then it most likely is 16 bits. If that 177// isn't true for a target those defaults should be overridden below. 181/// Initialize the set of available library functions based on the specified 182/// target triple. This should be carefully written so that a missing target 183/// triple gets a sane set of defaults. 186// Set IO unlocked variants as unavailable 187// Set them as available per system below 199// There is really no runtime library on AMDGPU, apart from 200// __kmpc_alloc/free_shared. 208// memset_pattern{4,8,16} is only available on iOS 3.0 and Mac OS X 10.5 and 209// later. All versions of watchOS support it. 211// available IO unlocked variants on Mac OS X 218if (
T.isMacOSXVersionLT(10, 5)) {
223 }
elseif (
T.isiOS()) {
224if (
T.isOSVersionLT(3, 0)) {
229 }
elseif (!
T.isWatchOS()) {
248 !
T.isMacOSXVersionLT(10, 7)) {
249// x86-32 OSX has a scheme where fwrite and fputs (and some other functions 250// we don't care about) have two versions; on recent OSX, the one we want 251// has a $UNIX2003 suffix. The two implementations are identical except 252// for the return value in some edge cases. However, we don't want to 253// generate code that depends on the old symbols. 258// iprintf and friends are only available on XCore, TCE, and Emscripten. 266// __small_printf and friends are only available on Emscripten. 273if (
T.isOSWindows() && !
T.isOSCygMing()) {
274// XXX: The earliest documentation available at the moment is for VS2015/VC19: 275// https://docs.microsoft.com/en-us/cpp/c-runtime-library/floating-point-support?view=vs-2015 276// XXX: In order to use an MSVCRT older than VC19, 277// the specific library version must be explicit in the target triple, 278// e.g., x86_64-pc-windows-msvc18. 279bool hasPartialC99 =
true;
280if (
T.isKnownWindowsMSVCEnvironment()) {
282 hasPartialC99 = (
Version.getMajor() == 0 ||
Version.getMajor() >= 19);
285// Latest targets support C89 math functions, in part. 288bool hasPartialFloat = (isARM ||
291// Win32 does not support float C89 math functions, in general. 292if (!hasPartialFloat) {
322// Win32 does not support long double C89 math functions. 350// Win32 does not fully support C99 math functions. 397// Win32 does not support long double C99 math functions. 419// Win32 does not support these functions, but 420// they are generally available on POSIX-compliant systems. 446if (
T.isOSWindows() && !
T.isWindowsCygwinEnvironment()) {
447// These functions aren't available in either MSVC or MinGW environments. 481// MinGW does have ldexpf, but it is a plain wrapper over regular ldexp. 482// Therefore it's not beneficial to transform code to use it, i.e. 483// just pretend that the function is not available. 487// Pick just one set of new/delete variants. 489// MSVC, doesn't have the Itanium new/delete. 526 TLI.
setUnavailable(LibFunc_ZnwmSt11align_val_tRKSt9nothrow_t12__hot_cold_t);
529 TLI.
setUnavailable(LibFunc_ZnamSt11align_val_tRKSt9nothrow_t12__hot_cold_t);
535// Not MSVC, assume it's Itanium. 560// exp10 and exp10f are not available on OS X until 10.9 and iOS until 7.0 561// and their names are __exp10 and __exp10f. exp10l is not available on 564if (
T.isMacOSXVersionLT(10, 9)) {
578 (
T.isOSVersionLT(7, 0) || (
T.isOSVersionLT(9, 0) &&
T.isX86()))) {
587// exp10, exp10f, exp10l is available on Linux (GLIBC) but are extremely 588// buggy prior to glibc version 2.18. Until this version is widely deployed 589// or we have a reasonable detection strategy, we cannot use exp10 reliably 592// Fall through to disable all of them. 600// ffsl is available on at least Darwin, Mac OS X, iOS, FreeBSD, and 602// http://developer.apple.com/library/mac/#documentation/Darwin/Reference/ManPages/man3/ffsl.3.html 603// http://svn.freebsd.org/base/head/lib/libc/string/ffsl.c 604// http://www.gnu.org/software/gnulib/manual/html_node/ffsl.html 619// ffsll is available on at least FreeBSD and Linux (GLIBC): 620// http://svn.freebsd.org/base/head/lib/libc/string/ffsll.c 621// http://www.gnu.org/software/gnulib/manual/html_node/ffsll.html 636// The following functions are available on at least FreeBSD: 637// http://svn.freebsd.org/base/head/lib/libc/string/fls.c 638// http://svn.freebsd.org/base/head/lib/libc/string/flsl.c 639// http://svn.freebsd.org/base/head/lib/libc/string/flsll.c 640if (!
T.isOSFreeBSD()) {
646// The following functions are only available on GNU/Linux (using glibc). 647// Linux variants without glibc (eg: bionic, musl) may have some subset. 648if (!
T.isOSLinux() || !
T.isGNUEnvironment()) {
655// But, Android and musl have memalign. 656if (!
T.isAndroid() && !
T.isMusl())
669// Relaxed math functions are included in math-finite.h on Linux (GLIBC). 670// Note that math-finite.h is no longer supported by top-of-tree GLIBC, 671// so we keep these functions around just so that they're recognized by 672// the ConstantFolder. 720if ((
T.isOSLinux() &&
T.isGNUEnvironment()) ||
721 (
T.isAndroid() && !
T.isAndroidVersionLT(28))) {
722// available IO unlocked variants on GNU/Linux and Android P or later 735if (
T.isAndroid() &&
T.isAndroidVersionLT(21)) {
741// PS4/PS5 do have memalign. 744// PS4/PS5 do not have new/delete with "unsigned int" size parameter; 745// they only have the "unsigned long" versions. 759// None of the *_chk functions. 779// Various Posix system functions. 829// Miscellaneous other functions not provided. 869// As currently implemented in clang, NVPTX code has no standard library to 870// speak of. Headers provide a standard-ish library implementation, but many 871// of the signatures are wrong -- for example, many libm functions are not 874// libdevice, an IR library provided by nvidia, is linked in by the front-end, 875// but only used functions are provided to llvm. Moreover, most of the 876// functions in libdevice don't map precisely to standard library functions. 878// FIXME: Having no standard library prevents e.g. many fastmath 879// optimizations, so this situation should be fixed. 886// TODO: We could enable the following two according to [0] but we haven't 887// done an evaluation wrt. the performance implications. 889// https://docs.nvidia.com/cuda/cuda-c-programming-guide/index.html#dynamic-global-memory-allocation-and-operations 891// TLI.setAvailable(llvm::LibFunc_memcpy); 892// TLI.setAvailable(llvm::LibFunc_memset); 900// These vec_malloc/free routines are only available on AIX. 914/// Initialize the set of available library functions based on the specified 915/// target triple. This should be carefully written so that a missing target 916/// triple gets a sane set of defaults. 924// Default to nothing being available. 925 memset(AvailableArray, 0,
sizeof(AvailableArray));
930// Default to everything being available. 931 memset(AvailableArray, -1,
sizeof(AvailableArray));
937 : CustomNames(TLI.CustomNames), ShouldExtI32Param(TLI.ShouldExtI32Param),
938 ShouldExtI32Return(TLI.ShouldExtI32Return),
939 ShouldSignExtI32Param(TLI.ShouldSignExtI32Param),
940 ShouldSignExtI32Return(TLI.ShouldSignExtI32Return),
941 SizeOfInt(TLI.SizeOfInt) {
942 memcpy(AvailableArray, TLI.AvailableArray,
sizeof(AvailableArray));
943 VectorDescs = TLI.VectorDescs;
944 ScalarDescs = TLI.ScalarDescs;
948 : CustomNames(
std::
move(TLI.CustomNames)),
949 ShouldExtI32Param(TLI.ShouldExtI32Param),
950 ShouldExtI32Return(TLI.ShouldExtI32Return),
951 ShouldSignExtI32Param(TLI.ShouldSignExtI32Param),
952 ShouldSignExtI32Return(TLI.ShouldSignExtI32Return),
953 SizeOfInt(TLI.SizeOfInt) {
954 std::move(std::begin(TLI.AvailableArray), std::end(TLI.AvailableArray),
956 VectorDescs = TLI.VectorDescs;
957 ScalarDescs = TLI.ScalarDescs;
961 CustomNames = TLI.CustomNames;
962 ShouldExtI32Param = TLI.ShouldExtI32Param;
963 ShouldExtI32Return = TLI.ShouldExtI32Return;
964 ShouldSignExtI32Param = TLI.ShouldSignExtI32Param;
965 ShouldSignExtI32Return = TLI.ShouldSignExtI32Return;
966 SizeOfInt = TLI.SizeOfInt;
967 memcpy(AvailableArray, TLI.AvailableArray,
sizeof(AvailableArray));
972 CustomNames = std::move(TLI.CustomNames);
973 ShouldExtI32Param = TLI.ShouldExtI32Param;
974 ShouldExtI32Return = TLI.ShouldExtI32Return;
975 ShouldSignExtI32Param = TLI.ShouldSignExtI32Param;
976 ShouldSignExtI32Return = TLI.ShouldSignExtI32Return;
977 SizeOfInt = TLI.SizeOfInt;
978 std::move(std::begin(TLI.AvailableArray), std::end(TLI.AvailableArray),
984// Filter out empty names and names containing null bytes, those can't be in 989// Check for \01 prefix that is used to mangle __asm declarations and 990// strip it if present. 999for (
constauto &Func : StandardNames)
1006if (funcName.
empty())
1012if (
auto Loc = Indices.
find(funcName); Loc != Indices.
end()) {
1019// Return true if ArgTy matches Ty. 1022unsigned SizeTBits) {
1039// TODO: Figure out and use long size. 1052// TODO: Tighten this up. 1072case LibFunc_size_returning_new: {
1073if (FTy.getNumParams() != 1 ||
1074 !FTy.getParamType(0)->isIntegerTy(SizeTSizeBits)) {
1078case LibFunc_size_returning_new_hot_cold: {
1079if (FTy.getNumParams() != 2 ||
1080 !FTy.getParamType(0)->isIntegerTy(SizeTSizeBits) ||
1081 !FTy.getParamType(1)->isIntegerTy(8)) {
1085case LibFunc_size_returning_new_aligned: {
1086if (FTy.getNumParams() != 2 ||
1087 !FTy.getParamType(0)->isIntegerTy(SizeTSizeBits) ||
1088 !FTy.getParamType(1)->isIntegerTy(SizeTSizeBits)) {
1092case LibFunc_size_returning_new_aligned_hot_cold:
1093if (FTy.getNumParams() != 3 ||
1094 !FTy.getParamType(0)->isIntegerTy(SizeTSizeBits) ||
1095 !FTy.getParamType(1)->isIntegerTy(SizeTSizeBits) ||
1096 !FTy.getParamType(2)->isIntegerTy(8)) {
1104auto &Context = M.getContext();
1108return FTy.getReturnType() == SizedPtrTy;
1111bool TargetLibraryInfoImpl::isValidProtoForLibFunc(
constFunctionType &FTy,
1114unsigned NumParams = FTy.getNumParams();
1117// Special handling for <complex.h> functions: 1120case LibFunc_cabsl: {
1122if (!
RetTy->isFloatingPointTy())
1125Type *ParamTy = FTy.getParamType(0);
1126// NOTE: These prototypes are target specific and currently support 1127// "complex" passed as an array or discrete real & imaginary parameters. 1128// Add other calling conventions to enable libcall optimizations. 1132elseif (NumParams == 2)
1133return ParamTy ==
RetTy && FTy.getParamType(1) ==
RetTy;
1137// Special handling for the sincospi functions that return either 1138// a struct or vector: 1139case LibFunc_sincospi_stret:
1140case LibFunc_sincospif_stret: {
1145Type *ParamTy = FTy.getParamType(0);
1146if (
auto *Ty = dyn_cast<StructType>(
RetTy)) {
1147if (Ty->getNumElements() != 2)
1149return (Ty->getElementType(0) == ParamTy &&
1150 Ty->getElementType(1) == ParamTy);
1153if (
auto *Ty = dyn_cast<FixedVectorType>(
RetTy)) {
1154if (Ty->getNumElements() != 2)
1156return Ty->getElementType() == ParamTy;
1161// Special handling of __size_returning_new functions that return a struct 1162// of type {void*, size_t}. 1163case LibFunc_size_returning_new:
1164case LibFunc_size_returning_new_hot_cold:
1165case LibFunc_size_returning_new_aligned:
1166case LibFunc_size_returning_new_aligned_hot_cold:
1176// Iterate over the type ids in the function prototype, matching each 1177// against the function's type FTy, starting with its return type. 1178// Return true if both match in number and kind, inclduing the ellipsis. 1179Type *Ty = FTy.getReturnType(), *LastTy = Ty;
1181for (
auto TyID : ProtoTypes) {
1183// Except in the first position where it designates the function's 1184// return type Void ends the argument list. 1188// The ellipsis ends the protoype list but is not a part of FTy's 1189// argument list. Except when it's last it must be followed by 1192return FTy.isFunctionVarArg();
1196assert(
Idx != 0 &&
"Type ID 'Same' must not be first!");
1200if (!Ty || !
matchType(TyID, Ty, IntBits, SizeTBits))
1205if (
Idx == NumParams) {
1206// There's at least one and at most two more type ids than there are 1207// arguments in FTy's argument list. 1213 Ty = FTy.getParamType(
Idx++);
1216// Return success only if all entries on both lists have been processed 1217// and the function is not a variadic one. 1218returnIdx == NumParams + 1 && !FTy.isFunctionVarArg();
1223// Intrinsics don't overlap w/libcalls; if our module has a large number of 1224// intrinsics, this ends up being an interesting compile time win since we 1225// avoid string normalization and comparison. 1229assert(M &&
"Expecting FDecl to be connected to a Module.");
1231if (FDecl.LibFuncCache == Function::UnknownLibFunc)
1238F = FDecl.LibFuncCache;
1244// Must be a frem instruction with float or double arguments. 1248F = Ty->
isDoubleTy() ? LibFunc_fmod : LibFunc_fmodf;
1253 memset(AvailableArray, 0,
sizeof(AvailableArray));
1257returnLHS.getScalarFnName() <
RHS.getScalarFnName();
1261returnLHS.getVectorFnName() <
RHS.getVectorFnName();
1265returnLHS.getScalarFnName() < S;
1277#define TLI_DEFINE_ACCELERATE_VECFUNCS 1278#include "llvm/Analysis/VecFuncs.def" 1279#undef TLI_DEFINE_ACCELERATE_VECFUNCS 1283#define TLI_DEFINE_DARWIN_LIBSYSTEM_M_VECFUNCS 1284#include "llvm/Analysis/VecFuncs.def" 1285#undef TLI_DEFINE_DARWIN_LIBSYSTEM_M_VECFUNCS 1289#define TLI_DEFINE_LIBMVEC_X86_VECFUNCS 1290#include "llvm/Analysis/VecFuncs.def" 1291#undef TLI_DEFINE_LIBMVEC_X86_VECFUNCS 1295#define TLI_DEFINE_MASSV_VECFUNCS 1296#include "llvm/Analysis/VecFuncs.def" 1297#undef TLI_DEFINE_MASSV_VECFUNCS 1301#define TLI_DEFINE_SVML_VECFUNCS 1302#include "llvm/Analysis/VecFuncs.def" 1303#undef TLI_DEFINE_SVML_VECFUNCS 1307#define TLI_DEFINE_SLEEFGNUABI_VF2_VECFUNCS 1308#define TLI_DEFINE_VECFUNC(SCAL, VEC, VF, VABI_PREFIX) \ 1309 {SCAL, VEC, VF,/* MASK = */ false, VABI_PREFIX}, 1310#include "llvm/Analysis/VecFuncs.def" 1311#undef TLI_DEFINE_SLEEFGNUABI_VF2_VECFUNCS 1314#define TLI_DEFINE_SLEEFGNUABI_VF4_VECFUNCS 1315#define TLI_DEFINE_VECFUNC(SCAL, VEC, VF, VABI_PREFIX) \ 1316 {SCAL, VEC, VF,/* MASK = */ false, VABI_PREFIX}, 1317#include "llvm/Analysis/VecFuncs.def" 1318#undef TLI_DEFINE_SLEEFGNUABI_VF4_VECFUNCS 1321#define TLI_DEFINE_SLEEFGNUABI_SCALABLE_VECFUNCS 1322#define TLI_DEFINE_VECFUNC(SCAL, VEC, VF, MASK, VABI_PREFIX) \ 1323 {SCAL, VEC, VF, MASK, VABI_PREFIX}, 1324#include "llvm/Analysis/VecFuncs.def" 1325#undef TLI_DEFINE_SLEEFGNUABI_SCALABLE_VECFUNCS 1329#define TLI_DEFINE_SLEEFGNUABI_SCALABLE_VECFUNCS_RISCV 1330#define TLI_DEFINE_VECFUNC(SCAL, VEC, VF, MASK, VABI_PREFIX) \ 1331 {SCAL, VEC, VF, MASK, VABI_PREFIX}, 1332#include "llvm/Analysis/VecFuncs.def" 1333#undef TLI_DEFINE_SLEEFGNUABI_SCALABLE_VECFUNCS_RISCV 1337#define TLI_DEFINE_ARMPL_VECFUNCS 1338#define TLI_DEFINE_VECFUNC(SCAL, VEC, VF, MASK, VABI_PREFIX) \ 1339 {SCAL, VEC, VF, MASK, VABI_PREFIX}, 1340#include "llvm/Analysis/VecFuncs.def" 1341#undef TLI_DEFINE_ARMPL_VECFUNCS 1345#define TLI_DEFINE_AMDLIBM_VECFUNCS 1346#define TLI_DEFINE_VECFUNC(SCAL, VEC, VF, MASK, VABI_PREFIX) \ 1347 {SCAL, VEC, VF, MASK, VABI_PREFIX}, 1348#include "llvm/Analysis/VecFuncs.def" 1349#undef TLI_DEFINE_AMDLIBM_VECFUNCS 1376switch (TargetTriple.
getArch()) {
1392switch (TargetTriple.
getArch()) {
1413if (funcName.
empty())
1416 std::vector<VecDesc>::const_iterator
I =
1418returnI != VectorDescs.end() &&
StringRef(
I->getScalarFnName()) == funcName;
1436 std::vector<VecDesc>::const_iterator
I =
1438while (
I != VectorDescs.end() &&
StringRef(
I->getScalarFnName()) ==
F) {
1439if ((
I->getVectorizationFactor() == VF) && (
I->isMasked() ==
Masked))
1448if (!BaselineInfoImpl)
1455if (
auto *ShortWChar = cast_or_null<ConstantAsMetadata>(
1456 M.getModuleFlag(
"wchar_size")))
1457return cast<ConstantInt>(ShortWChar->getValue())->getZExtValue();
1462// There is really no guarantee that sizeof(size_t) is equal to the index 1463// size of the default address space. If that isn't true then it should be 1464// possible to derive the SizeTTy from the target triple here instead and do 1467// Hard coding address space zero may seem unfortunate, but a number of 1468// configurations of common targets (i386, x86-64 x32, aarch64 x32, possibly 1469// others) have larger-than-size_t index sizes on non-default address spaces, 1470// making this the best default. 1471return M.getDataLayout().getIndexSizeInBits(
/*AddressSpace=*/0);
1496// Register the basic pass. 1498"Target Library Information",
false,
true)
1507// Use '0' here because a type of the form <vscale x 1 x ElTy> is not the 1514 std::vector<VecDesc>::const_iterator
I =
1516while (
I != VectorDescs.end() &&
StringRef(
I->getScalarFnName()) == ScalarF) {
1518I->getVectorizationFactor().isScalable() ? &ScalableVF : &FixedVF;
1520 *VF =
I->getVectorizationFactor();
#define clEnumValN(ENUMVAL, FLAGNAME, DESC)
This file contains the declarations for the subclasses of Constant, which represent the different fla...
Returns the sub type a function will return at a given Idx Should correspond to the result type of an ExtractValue instruction executed with just that one unsigned Idx
This file defines the DenseMap class.
Module.h This file contains the declarations for the Module class.
#define INITIALIZE_PASS(passName, arg, name, cfg, analysis)
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
This file defines the SmallString class.
static bool hasSinCosPiStret(const Triple &T)
static StringRef sanitizeFunctionName(StringRef funcName)
static void initialize(TargetLibraryInfoImpl &TLI, const Triple &T, ArrayRef< StringLiteral > StandardNames)
Initialize the set of available library functions based on the specified target triple.
static const VecDesc VecFuncs_MASSV[]
static void initializeLibCalls(TargetLibraryInfoImpl &TLI, const Triple &T, ArrayRef< StringLiteral > StandardNames)
Initialize the set of available library functions based on the specified target triple.
static bool matchType(FuncArgTypeID ArgTy, const Type *Ty, unsigned IntBits, unsigned SizeTBits)
static bool hasBcmp(const Triple &TT)
static const VecDesc VecFuncs_SLEEFGNUABI_VF2[]
static void initializeBase(TargetLibraryInfoImpl &TLI, const Triple &T)
static bool compareByScalarFnName(const VecDesc &LHS, const VecDesc &RHS)
static bool compareByVectorFnName(const VecDesc &LHS, const VecDesc &RHS)
static const VecDesc VecFuncs_SLEEFGNUABI_VF4[]
static const FuncProtoTy Signatures[]
static bool isCallingConvCCompatible(CallingConv::ID CC, StringRef TT, FunctionType *FuncTy)
static const VecDesc VecFuncs_ArmPL[]
const VecDesc VecFuncs_AMDLIBM[]
static bool isValidProtoForSizeReturningNew(const FunctionType &FTy, LibFunc F, const Module &M, int SizeTSizeBits)
static const VecDesc VecFuncs_LIBMVEC_X86[]
static const VecDesc VecFuncs_DarwinLibSystemM[]
static const VecDesc VecFuncs_SVML[]
static cl::opt< TargetLibraryInfoImpl::VectorLibrary > ClVectorLibrary("vector-library", cl::Hidden, cl::desc("Vector functions library"), cl::init(TargetLibraryInfoImpl::NoLibrary), cl::values(clEnumValN(TargetLibraryInfoImpl::NoLibrary, "none", "No vector functions library"), clEnumValN(TargetLibraryInfoImpl::Accelerate, "Accelerate", "Accelerate framework"), clEnumValN(TargetLibraryInfoImpl::DarwinLibSystemM, "Darwin_libsystem_m", "Darwin libsystem_m"), clEnumValN(TargetLibraryInfoImpl::LIBMVEC_X86, "LIBMVEC-X86", "GLIBC Vector Math library"), clEnumValN(TargetLibraryInfoImpl::MASSV, "MASSV", "IBM MASS vector library"), clEnumValN(TargetLibraryInfoImpl::SVML, "SVML", "Intel SVML library"), clEnumValN(TargetLibraryInfoImpl::SLEEFGNUABI, "sleefgnuabi", "SIMD Library for Evaluating Elementary Functions"), clEnumValN(TargetLibraryInfoImpl::ArmPL, "ArmPL", "Arm Performance Libraries"), clEnumValN(TargetLibraryInfoImpl::AMDLIBM, "AMDLIBM", "AMD vector math library")))
std::array< FuncArgTypeID, 8 > FuncProtoTy
static const VecDesc VecFuncs_SLEEFGNUABI_VFScalable[]
static bool compareWithScalarFnName(const VecDesc &LHS, StringRef S)
static const VecDesc VecFuncs_Accelerate[]
static const VecDesc VecFuncs_SLEEFGNUABI_VFScalableRISCV[]
static DenseMap< StringRef, LibFunc > buildIndexMap(ArrayRef< StringLiteral > StandardNames)
A container for analyses that lazily runs them and caches their results.
ArrayRef - Represent a constant reference to an array (0 or more elements consecutively in memory),...
Base class for all callable instructions (InvokeInst and CallInst) Holds everything related to callin...
CallingConv::ID getCallingConv() const
FunctionType * getFunctionType() const
iterator find(const_arg_type_t< KeyT > Val)
void reserve(size_type NumEntries)
Grow the densemap so that it can contain at least NumEntries items before resizing again.
static constexpr ElementCount getScalable(ScalarTy MinVal)
static constexpr ElementCount getFixed(ScalarTy MinVal)
FunctionType * getFunctionType() const
Returns the FunctionType for me.
bool isIntrinsic() const
isIntrinsic - Returns true if the function's name starts with "llvm.".
static StringRef dropLLVMManglingEscape(StringRef Name)
If the given string begins with the GlobalValue name mangling escape character '\1',...
Module * getParent()
Get the module that this global value is contained inside of...
ImmutablePass class - This class is used to provide information that does not need to be run.
const Module * getModule() const
Return the module owning the function this instruction belongs to or nullptr it the function does not...
A Module instance is used to store all the information related to an LLVM module.
const std::string & getTargetTriple() const
Get the target triple which is a string describing the target host.
static PassRegistry * getPassRegistry()
getPassRegistry - Access the global registry object, which is automatically initialized at applicatio...
static PointerType * get(Type *ElementType, unsigned AddressSpace)
This constructs a pointer to an object of the specified type in a numbered address space.
SmallString - A SmallString is just a SmallVector with methods and accessors that make it work better...
A wrapper around a string literal that serves as a proxy for constructing global tables of StringRefs...
StringRef - Represent a constant reference to a string, i.e.
constexpr bool empty() const
empty - Check if the string is empty.
bool contains(StringRef Other) const
Return true if the given string is a substring of *this, and false otherwise.
Class to represent struct types.
static StructType * get(LLVMContext &Context, ArrayRef< Type * > Elements, bool isPacked=false)
This static method is the primary way to create a literal StructType.
TargetLibraryInfo run(const Function &F, FunctionAnalysisManager &)
Implementation of the target library information.
void setShouldExtI32Param(bool Val)
Set to true iff i32 parameters to library functions should have signext or zeroext attributes if they...
void setShouldExtI32Return(bool Val)
Set to true iff i32 results from library functions should have signext or zeroext attributes if they ...
unsigned getWCharSize(const Module &M) const
Returns the size of the wchar_t type in bytes or 0 if the size is unknown.
bool getLibFunc(StringRef funcName, LibFunc &F) const
Searches for a particular function name.
void getWidestVF(StringRef ScalarF, ElementCount &FixedVF, ElementCount &Scalable) const
Returns the largest vectorization factor used in the list of vector functions.
bool isFunctionVectorizable(StringRef F, const ElementCount &VF) const
Return true if the function F has a vector equivalent with vectorization factor VF.
void setShouldSignExtI32Param(bool Val)
Set to true iff i32 parameters to library functions should have signext attribute if they correspond ...
void setAvailableWithName(LibFunc F, StringRef Name)
Forces a function to be marked as available and provide an alternate name that must be used.
unsigned getIntSize() const
Get size of a C-level int or unsigned int, in bits.
void addVectorizableFunctionsFromVecLib(enum VectorLibrary VecLib, const llvm::Triple &TargetTriple)
Calls addVectorizableFunctions with a known preset of functions for the given vector library.
void setIntSize(unsigned Bits)
Initialize the C-level size of an integer.
unsigned getSizeTSize(const Module &M) const
Returns the size of the size_t type in bits.
void addVectorizableFunctions(ArrayRef< VecDesc > Fns)
Add a set of scalar -> vector mappings, queryable via getVectorizedFunction and getScalarizedFunction...
const VecDesc * getVectorMappingInfo(StringRef F, const ElementCount &VF, bool Masked) const
Return a pointer to a VecDesc object holding all info for scalar to vector mappings in TLI for the eq...
static bool isCallingConvCCompatible(CallBase *CI)
Returns true if call site / callee has cdecl-compatible calling conventions.
void setShouldSignExtI32Return(bool Val)
Set to true iff i32 results from library functions should have signext attribute if they correspond t...
TargetLibraryInfoImpl & operator=(const TargetLibraryInfoImpl &TLI)
void disableAllFunctions()
Disables all builtins.
VectorLibrary
List of known vector-functions libraries.
void setUnavailable(LibFunc F)
Forces a function to be marked as unavailable.
StringRef getVectorizedFunction(StringRef F, const ElementCount &VF, bool Masked) const
Return the name of the equivalent of F, vectorized with factor VF.
void setAvailable(LibFunc F)
Forces a function to be marked as available.
TargetLibraryInfoWrapperPass()
Provides information about what library functions are available for the current target.
static void initExtensionsForTriple(bool &ShouldExtI32Param, bool &ShouldExtI32Return, bool &ShouldSignExtI32Param, bool &ShouldSignExtI32Return, const Triple &T)
Triple - Helper class for working with autoconf configuration names.
ArchType getArch() const
Get the parsed architecture type of this triple.
The instances of the Type class are immutable: once they are created, they are never changed.
bool isArrayTy() const
True if this is an instance of ArrayType.
bool isPointerTy() const
True if this is an instance of PointerType.
Type * getArrayElementType() const
bool isFloatTy() const
Return true if this is 'float', a 32-bit IEEE fp type.
uint64_t getArrayNumElements() const
static IntegerType * getIntNTy(LLVMContext &C, unsigned N)
bool isStructTy() const
True if this is an instance of StructType.
bool isDoubleTy() const
Return true if this is 'double', a 64-bit IEEE fp type.
bool isFloatingPointTy() const
Return true if this is one of the floating-point types.
bool isIntegerTy() const
True if this is an instance of IntegerType.
TypeSize getPrimitiveSizeInBits() const LLVM_READONLY
Return the basic size of this type if it is a primitive type.
bool isVoidTy() const
Return true if this is 'void'.
StringRef getName() const
Return a constant reference to the value's name.
Provides info so a possible vectorization of a function can be computed.
std::string getVectorFunctionABIVariantString() const
Returns a vector function ABI variant string on the form: ZGV<isa><mask><vlen><vparams><scalarname>(<...
StringRef getVectorFnName() const
Represents a version number in the form major[.minor[.subminor[.build]]].
static constexpr bool isKnownGT(const FixedOrScalableQuantity &LHS, const FixedOrScalableQuantity &RHS)
A raw_ostream that writes to an SmallVector or SmallString.
StringRef str() const
Return a StringRef for the vector contents.
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
@ ARM_APCS
ARM Procedure Calling Standard (obsolete, but still used on some targets).
@ ARM_AAPCS
ARM Architecture Procedure Calling Standard calling convention (aka EABI).
@ ARM_AAPCS_VFP
Same as ARM_AAPCS, but uses hard floating point ABI.
@ C
The default llvm calling convention, compatible with C.
ValuesClass values(OptsTy... Options)
Helper to build a ValuesClass by forwarding a variable number of arguments as an initializer list to ...
initializer< Ty > init(const Ty &Val)
This is an optimization pass for GlobalISel generic memory operations.
void append_range(Container &C, Range &&R)
Wrapper function to append range R to container C.
void sort(IteratorTy Start, IteratorTy End)
auto lower_bound(R &&Range, T &&Value)
Provide wrappers to std::lower_bound which take ranges instead of having to pass begin/end explicitly...
OutputIt move(R &&Range, OutputIt Out)
Provide wrappers to std::move which take ranges instead of having to pass begin/end explicitly.
void initializeTargetLibraryInfoWrapperPassPass(PassRegistry &)
Implement std::hash so that hash_code can be used in STL containers.
A special type used by analysis passes to provide an address that identifies that particular analysis...
