forked from OSchip/llvm-project
1432 lines
49 KiB
C++
1432 lines
49 KiB
C++
//===-- TargetLibraryInfo.cpp - Runtime library information ----------------==//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the TargetLibraryInfo class.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Analysis/TargetLibraryInfo.h"
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#include "llvm/ADT/Triple.h"
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#include "llvm/Support/CommandLine.h"
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using namespace llvm;
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static cl::opt<TargetLibraryInfoImpl::VectorLibrary> ClVectorLibrary(
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"vector-library", cl::Hidden, cl::desc("Vector functions library"),
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cl::init(TargetLibraryInfoImpl::NoLibrary),
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cl::values(clEnumValN(TargetLibraryInfoImpl::NoLibrary, "none",
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"No vector functions library"),
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clEnumValN(TargetLibraryInfoImpl::Accelerate, "Accelerate",
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"Accelerate framework"),
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clEnumValN(TargetLibraryInfoImpl::SVML, "SVML",
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"Intel SVML library")));
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StringRef const TargetLibraryInfoImpl::StandardNames[LibFunc::NumLibFuncs] = {
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#define TLI_DEFINE_STRING
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#include "llvm/Analysis/TargetLibraryInfo.def"
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};
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static bool hasSinCosPiStret(const Triple &T) {
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// Only Darwin variants have _stret versions of combined trig functions.
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if (!T.isOSDarwin())
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return false;
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// The ABI is rather complicated on x86, so don't do anything special there.
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if (T.getArch() == Triple::x86)
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return false;
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if (T.isMacOSX() && T.isMacOSXVersionLT(10, 9))
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return false;
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if (T.isiOS() && T.isOSVersionLT(7, 0))
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return false;
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return true;
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}
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/// initialize - Initialize the set of available library functions based on the
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/// specified target triple. This should be carefully written so that a missing
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/// target triple gets a sane set of defaults.
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static void initialize(TargetLibraryInfoImpl &TLI, const Triple &T,
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ArrayRef<StringRef> StandardNames) {
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// Verify that the StandardNames array is in alphabetical order.
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assert(std::is_sorted(StandardNames.begin(), StandardNames.end(),
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[](StringRef LHS, StringRef RHS) {
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return LHS < RHS;
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}) &&
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"TargetLibraryInfoImpl function names must be sorted");
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bool ShouldExtI32Param = false, ShouldExtI32Return = false,
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ShouldSignExtI32Param = false;
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// PowerPC64, Sparc64, SystemZ need signext/zeroext on i32 parameters and
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// returns corresponding to C-level ints and unsigned ints.
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if (T.getArch() == Triple::ppc64 || T.getArch() == Triple::ppc64le ||
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T.getArch() == Triple::sparcv9 || T.getArch() == Triple::systemz) {
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ShouldExtI32Param = true;
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ShouldExtI32Return = true;
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}
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// Mips, on the other hand, needs signext on i32 parameters corresponding
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// to both signed and unsigned ints.
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if (T.getArch() == Triple::mips || T.getArch() == Triple::mipsel ||
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T.getArch() == Triple::mips64 || T.getArch() == Triple::mips64el) {
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ShouldSignExtI32Param = true;
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}
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TLI.setShouldExtI32Param(ShouldExtI32Param);
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TLI.setShouldExtI32Return(ShouldExtI32Return);
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TLI.setShouldSignExtI32Param(ShouldSignExtI32Param);
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if (T.getArch() == Triple::r600 ||
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T.getArch() == Triple::amdgcn) {
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TLI.setUnavailable(LibFunc_ldexp);
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TLI.setUnavailable(LibFunc_ldexpf);
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TLI.setUnavailable(LibFunc_ldexpl);
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TLI.setUnavailable(LibFunc_exp10);
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TLI.setUnavailable(LibFunc_exp10f);
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TLI.setUnavailable(LibFunc_exp10l);
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TLI.setUnavailable(LibFunc_log10);
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TLI.setUnavailable(LibFunc_log10f);
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TLI.setUnavailable(LibFunc_log10l);
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}
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// There are no library implementations of mempcy and memset for AMD gpus and
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// these can be difficult to lower in the backend.
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if (T.getArch() == Triple::r600 ||
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T.getArch() == Triple::amdgcn) {
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TLI.setUnavailable(LibFunc_memcpy);
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TLI.setUnavailable(LibFunc_memset);
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TLI.setUnavailable(LibFunc_memset_pattern16);
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return;
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}
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// memset_pattern16 is only available on iOS 3.0 and Mac OS X 10.5 and later.
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// All versions of watchOS support it.
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if (T.isMacOSX()) {
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if (T.isMacOSXVersionLT(10, 5))
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TLI.setUnavailable(LibFunc_memset_pattern16);
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} else if (T.isiOS()) {
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if (T.isOSVersionLT(3, 0))
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TLI.setUnavailable(LibFunc_memset_pattern16);
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} else if (!T.isWatchOS()) {
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TLI.setUnavailable(LibFunc_memset_pattern16);
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}
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if (!hasSinCosPiStret(T)) {
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TLI.setUnavailable(LibFunc_sinpi);
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TLI.setUnavailable(LibFunc_sinpif);
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TLI.setUnavailable(LibFunc_cospi);
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TLI.setUnavailable(LibFunc_cospif);
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TLI.setUnavailable(LibFunc_sincospi_stret);
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TLI.setUnavailable(LibFunc_sincospif_stret);
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}
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if (T.isMacOSX() && T.getArch() == Triple::x86 &&
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!T.isMacOSXVersionLT(10, 7)) {
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// x86-32 OSX has a scheme where fwrite and fputs (and some other functions
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// we don't care about) have two versions; on recent OSX, the one we want
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// has a $UNIX2003 suffix. The two implementations are identical except
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// for the return value in some edge cases. However, we don't want to
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// generate code that depends on the old symbols.
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TLI.setAvailableWithName(LibFunc_fwrite, "fwrite$UNIX2003");
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TLI.setAvailableWithName(LibFunc_fputs, "fputs$UNIX2003");
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}
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// iprintf and friends are only available on XCore and TCE.
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if (T.getArch() != Triple::xcore && T.getArch() != Triple::tce) {
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TLI.setUnavailable(LibFunc_iprintf);
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TLI.setUnavailable(LibFunc_siprintf);
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TLI.setUnavailable(LibFunc_fiprintf);
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}
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if (T.isOSWindows() && !T.isOSCygMing()) {
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// Win32 does not support long double
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TLI.setUnavailable(LibFunc_acosl);
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TLI.setUnavailable(LibFunc_asinl);
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TLI.setUnavailable(LibFunc_atanl);
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TLI.setUnavailable(LibFunc_atan2l);
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TLI.setUnavailable(LibFunc_ceill);
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TLI.setUnavailable(LibFunc_copysignl);
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TLI.setUnavailable(LibFunc_cosl);
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TLI.setUnavailable(LibFunc_coshl);
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TLI.setUnavailable(LibFunc_expl);
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TLI.setUnavailable(LibFunc_fabsf); // Win32 and Win64 both lack fabsf
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TLI.setUnavailable(LibFunc_fabsl);
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TLI.setUnavailable(LibFunc_floorl);
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TLI.setUnavailable(LibFunc_fmaxl);
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TLI.setUnavailable(LibFunc_fminl);
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TLI.setUnavailable(LibFunc_fmodl);
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TLI.setUnavailable(LibFunc_frexpl);
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TLI.setUnavailable(LibFunc_ldexpf);
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TLI.setUnavailable(LibFunc_ldexpl);
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TLI.setUnavailable(LibFunc_logl);
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TLI.setUnavailable(LibFunc_modfl);
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TLI.setUnavailable(LibFunc_powl);
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TLI.setUnavailable(LibFunc_sinl);
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TLI.setUnavailable(LibFunc_sinhl);
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TLI.setUnavailable(LibFunc_sqrtl);
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TLI.setUnavailable(LibFunc_tanl);
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TLI.setUnavailable(LibFunc_tanhl);
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// Win32 only has C89 math
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TLI.setUnavailable(LibFunc_acosh);
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TLI.setUnavailable(LibFunc_acoshf);
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TLI.setUnavailable(LibFunc_acoshl);
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TLI.setUnavailable(LibFunc_asinh);
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TLI.setUnavailable(LibFunc_asinhf);
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TLI.setUnavailable(LibFunc_asinhl);
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TLI.setUnavailable(LibFunc_atanh);
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TLI.setUnavailable(LibFunc_atanhf);
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TLI.setUnavailable(LibFunc_atanhl);
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TLI.setUnavailable(LibFunc_cbrt);
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TLI.setUnavailable(LibFunc_cbrtf);
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TLI.setUnavailable(LibFunc_cbrtl);
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TLI.setUnavailable(LibFunc_exp2);
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TLI.setUnavailable(LibFunc_exp2f);
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TLI.setUnavailable(LibFunc_exp2l);
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TLI.setUnavailable(LibFunc_expm1);
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TLI.setUnavailable(LibFunc_expm1f);
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TLI.setUnavailable(LibFunc_expm1l);
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TLI.setUnavailable(LibFunc_log2);
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TLI.setUnavailable(LibFunc_log2f);
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TLI.setUnavailable(LibFunc_log2l);
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TLI.setUnavailable(LibFunc_log1p);
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TLI.setUnavailable(LibFunc_log1pf);
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TLI.setUnavailable(LibFunc_log1pl);
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TLI.setUnavailable(LibFunc_logb);
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TLI.setUnavailable(LibFunc_logbf);
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TLI.setUnavailable(LibFunc_logbl);
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TLI.setUnavailable(LibFunc_nearbyint);
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TLI.setUnavailable(LibFunc_nearbyintf);
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TLI.setUnavailable(LibFunc_nearbyintl);
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TLI.setUnavailable(LibFunc_rint);
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TLI.setUnavailable(LibFunc_rintf);
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TLI.setUnavailable(LibFunc_rintl);
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TLI.setUnavailable(LibFunc_round);
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TLI.setUnavailable(LibFunc_roundf);
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TLI.setUnavailable(LibFunc_roundl);
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TLI.setUnavailable(LibFunc_trunc);
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TLI.setUnavailable(LibFunc_truncf);
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TLI.setUnavailable(LibFunc_truncl);
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// Win32 provides some C99 math with mangled names
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TLI.setAvailableWithName(LibFunc_copysign, "_copysign");
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if (T.getArch() == Triple::x86) {
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// Win32 on x86 implements single-precision math functions as macros
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TLI.setUnavailable(LibFunc_acosf);
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TLI.setUnavailable(LibFunc_asinf);
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TLI.setUnavailable(LibFunc_atanf);
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TLI.setUnavailable(LibFunc_atan2f);
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TLI.setUnavailable(LibFunc_ceilf);
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TLI.setUnavailable(LibFunc_copysignf);
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TLI.setUnavailable(LibFunc_cosf);
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TLI.setUnavailable(LibFunc_coshf);
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TLI.setUnavailable(LibFunc_expf);
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TLI.setUnavailable(LibFunc_floorf);
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TLI.setUnavailable(LibFunc_fminf);
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TLI.setUnavailable(LibFunc_fmaxf);
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TLI.setUnavailable(LibFunc_fmodf);
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TLI.setUnavailable(LibFunc_logf);
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TLI.setUnavailable(LibFunc_log10f);
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TLI.setUnavailable(LibFunc_modff);
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TLI.setUnavailable(LibFunc_powf);
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TLI.setUnavailable(LibFunc_sinf);
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TLI.setUnavailable(LibFunc_sinhf);
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TLI.setUnavailable(LibFunc_sqrtf);
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TLI.setUnavailable(LibFunc_tanf);
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TLI.setUnavailable(LibFunc_tanhf);
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}
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// Win32 does *not* provide provide these functions, but they are
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// generally available on POSIX-compliant systems:
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TLI.setUnavailable(LibFunc_access);
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TLI.setUnavailable(LibFunc_bcmp);
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TLI.setUnavailable(LibFunc_bcopy);
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TLI.setUnavailable(LibFunc_bzero);
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TLI.setUnavailable(LibFunc_chmod);
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TLI.setUnavailable(LibFunc_chown);
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TLI.setUnavailable(LibFunc_closedir);
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TLI.setUnavailable(LibFunc_ctermid);
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TLI.setUnavailable(LibFunc_fdopen);
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TLI.setUnavailable(LibFunc_ffs);
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TLI.setUnavailable(LibFunc_fileno);
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TLI.setUnavailable(LibFunc_flockfile);
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TLI.setUnavailable(LibFunc_fseeko);
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TLI.setUnavailable(LibFunc_fstat);
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TLI.setUnavailable(LibFunc_fstatvfs);
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TLI.setUnavailable(LibFunc_ftello);
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TLI.setUnavailable(LibFunc_ftrylockfile);
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TLI.setUnavailable(LibFunc_funlockfile);
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TLI.setUnavailable(LibFunc_getc_unlocked);
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TLI.setUnavailable(LibFunc_getitimer);
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TLI.setUnavailable(LibFunc_getlogin_r);
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TLI.setUnavailable(LibFunc_getpwnam);
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TLI.setUnavailable(LibFunc_gettimeofday);
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TLI.setUnavailable(LibFunc_htonl);
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TLI.setUnavailable(LibFunc_htons);
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TLI.setUnavailable(LibFunc_lchown);
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TLI.setUnavailable(LibFunc_lstat);
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TLI.setUnavailable(LibFunc_memccpy);
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TLI.setUnavailable(LibFunc_mkdir);
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TLI.setUnavailable(LibFunc_ntohl);
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TLI.setUnavailable(LibFunc_ntohs);
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TLI.setUnavailable(LibFunc_open);
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TLI.setUnavailable(LibFunc_opendir);
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TLI.setUnavailable(LibFunc_pclose);
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TLI.setUnavailable(LibFunc_popen);
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TLI.setUnavailable(LibFunc_pread);
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TLI.setUnavailable(LibFunc_pwrite);
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TLI.setUnavailable(LibFunc_read);
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TLI.setUnavailable(LibFunc_readlink);
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TLI.setUnavailable(LibFunc_realpath);
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TLI.setUnavailable(LibFunc_rmdir);
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TLI.setUnavailable(LibFunc_setitimer);
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TLI.setUnavailable(LibFunc_stat);
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TLI.setUnavailable(LibFunc_statvfs);
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TLI.setUnavailable(LibFunc_stpcpy);
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TLI.setUnavailable(LibFunc_stpncpy);
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TLI.setUnavailable(LibFunc_strcasecmp);
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TLI.setUnavailable(LibFunc_strncasecmp);
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TLI.setUnavailable(LibFunc_times);
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TLI.setUnavailable(LibFunc_uname);
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TLI.setUnavailable(LibFunc_unlink);
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TLI.setUnavailable(LibFunc_unsetenv);
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TLI.setUnavailable(LibFunc_utime);
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TLI.setUnavailable(LibFunc_utimes);
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TLI.setUnavailable(LibFunc_write);
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// Win32 does *not* provide provide these functions, but they are
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// specified by C99:
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TLI.setUnavailable(LibFunc_atoll);
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TLI.setUnavailable(LibFunc_frexpf);
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TLI.setUnavailable(LibFunc_llabs);
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}
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switch (T.getOS()) {
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case Triple::MacOSX:
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// exp10 and exp10f are not available on OS X until 10.9 and iOS until 7.0
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// and their names are __exp10 and __exp10f. exp10l is not available on
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// OS X or iOS.
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TLI.setUnavailable(LibFunc_exp10l);
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if (T.isMacOSXVersionLT(10, 9)) {
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TLI.setUnavailable(LibFunc_exp10);
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TLI.setUnavailable(LibFunc_exp10f);
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} else {
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TLI.setAvailableWithName(LibFunc_exp10, "__exp10");
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TLI.setAvailableWithName(LibFunc_exp10f, "__exp10f");
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}
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break;
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case Triple::IOS:
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case Triple::TvOS:
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case Triple::WatchOS:
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TLI.setUnavailable(LibFunc_exp10l);
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if (!T.isWatchOS() && (T.isOSVersionLT(7, 0) ||
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(T.isOSVersionLT(9, 0) &&
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(T.getArch() == Triple::x86 ||
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T.getArch() == Triple::x86_64)))) {
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TLI.setUnavailable(LibFunc_exp10);
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TLI.setUnavailable(LibFunc_exp10f);
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} else {
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TLI.setAvailableWithName(LibFunc_exp10, "__exp10");
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TLI.setAvailableWithName(LibFunc_exp10f, "__exp10f");
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}
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break;
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case Triple::Linux:
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// exp10, exp10f, exp10l is available on Linux (GLIBC) but are extremely
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// buggy prior to glibc version 2.18. Until this version is widely deployed
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// or we have a reasonable detection strategy, we cannot use exp10 reliably
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// on Linux.
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//
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// Fall through to disable all of them.
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LLVM_FALLTHROUGH;
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default:
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TLI.setUnavailable(LibFunc_exp10);
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TLI.setUnavailable(LibFunc_exp10f);
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TLI.setUnavailable(LibFunc_exp10l);
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}
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// ffsl is available on at least Darwin, Mac OS X, iOS, FreeBSD, and
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// Linux (GLIBC):
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// http://developer.apple.com/library/mac/#documentation/Darwin/Reference/ManPages/man3/ffsl.3.html
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// http://svn.freebsd.org/base/head/lib/libc/string/ffsl.c
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// http://www.gnu.org/software/gnulib/manual/html_node/ffsl.html
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switch (T.getOS()) {
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case Triple::Darwin:
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case Triple::MacOSX:
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case Triple::IOS:
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case Triple::TvOS:
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case Triple::WatchOS:
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case Triple::FreeBSD:
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case Triple::Linux:
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break;
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default:
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TLI.setUnavailable(LibFunc_ffsl);
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}
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// ffsll is available on at least FreeBSD and Linux (GLIBC):
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// http://svn.freebsd.org/base/head/lib/libc/string/ffsll.c
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// http://www.gnu.org/software/gnulib/manual/html_node/ffsll.html
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switch (T.getOS()) {
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case Triple::Darwin:
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case Triple::MacOSX:
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case Triple::IOS:
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case Triple::TvOS:
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case Triple::WatchOS:
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case Triple::FreeBSD:
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case Triple::Linux:
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break;
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default:
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TLI.setUnavailable(LibFunc_ffsll);
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}
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// The following functions are available on at least FreeBSD:
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// http://svn.freebsd.org/base/head/lib/libc/string/fls.c
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// http://svn.freebsd.org/base/head/lib/libc/string/flsl.c
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// http://svn.freebsd.org/base/head/lib/libc/string/flsll.c
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if (!T.isOSFreeBSD()) {
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TLI.setUnavailable(LibFunc_fls);
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TLI.setUnavailable(LibFunc_flsl);
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TLI.setUnavailable(LibFunc_flsll);
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}
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// The following functions are available on at least Linux:
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if (!T.isOSLinux()) {
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TLI.setUnavailable(LibFunc_dunder_strdup);
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TLI.setUnavailable(LibFunc_dunder_strtok_r);
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TLI.setUnavailable(LibFunc_dunder_isoc99_scanf);
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TLI.setUnavailable(LibFunc_dunder_isoc99_sscanf);
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TLI.setUnavailable(LibFunc_under_IO_getc);
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TLI.setUnavailable(LibFunc_under_IO_putc);
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TLI.setUnavailable(LibFunc_memalign);
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TLI.setUnavailable(LibFunc_fopen64);
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TLI.setUnavailable(LibFunc_fseeko64);
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TLI.setUnavailable(LibFunc_fstat64);
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TLI.setUnavailable(LibFunc_fstatvfs64);
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TLI.setUnavailable(LibFunc_ftello64);
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TLI.setUnavailable(LibFunc_lstat64);
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TLI.setUnavailable(LibFunc_open64);
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TLI.setUnavailable(LibFunc_stat64);
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TLI.setUnavailable(LibFunc_statvfs64);
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TLI.setUnavailable(LibFunc_tmpfile64);
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}
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|
|
// As currently implemented in clang, NVPTX code has no standard library to
|
|
// speak of. Headers provide a standard-ish library implementation, but many
|
|
// of the signatures are wrong -- for example, many libm functions are not
|
|
// extern "C".
|
|
//
|
|
// libdevice, an IR library provided by nvidia, is linked in by the front-end,
|
|
// but only used functions are provided to llvm. Moreover, most of the
|
|
// functions in libdevice don't map precisely to standard library functions.
|
|
//
|
|
// FIXME: Having no standard library prevents e.g. many fastmath
|
|
// optimizations, so this situation should be fixed.
|
|
if (T.isNVPTX()) {
|
|
TLI.disableAllFunctions();
|
|
TLI.setAvailable(LibFunc_nvvm_reflect);
|
|
} else {
|
|
TLI.setUnavailable(LibFunc_nvvm_reflect);
|
|
}
|
|
|
|
TLI.addVectorizableFunctionsFromVecLib(ClVectorLibrary);
|
|
}
|
|
|
|
TargetLibraryInfoImpl::TargetLibraryInfoImpl() {
|
|
// Default to everything being available.
|
|
memset(AvailableArray, -1, sizeof(AvailableArray));
|
|
|
|
initialize(*this, Triple(), StandardNames);
|
|
}
|
|
|
|
TargetLibraryInfoImpl::TargetLibraryInfoImpl(const Triple &T) {
|
|
// Default to everything being available.
|
|
memset(AvailableArray, -1, sizeof(AvailableArray));
|
|
|
|
initialize(*this, T, StandardNames);
|
|
}
|
|
|
|
TargetLibraryInfoImpl::TargetLibraryInfoImpl(const TargetLibraryInfoImpl &TLI)
|
|
: CustomNames(TLI.CustomNames), ShouldExtI32Param(TLI.ShouldExtI32Param),
|
|
ShouldExtI32Return(TLI.ShouldExtI32Return),
|
|
ShouldSignExtI32Param(TLI.ShouldSignExtI32Param) {
|
|
memcpy(AvailableArray, TLI.AvailableArray, sizeof(AvailableArray));
|
|
VectorDescs = TLI.VectorDescs;
|
|
ScalarDescs = TLI.ScalarDescs;
|
|
}
|
|
|
|
TargetLibraryInfoImpl::TargetLibraryInfoImpl(TargetLibraryInfoImpl &&TLI)
|
|
: CustomNames(std::move(TLI.CustomNames)),
|
|
ShouldExtI32Param(TLI.ShouldExtI32Param),
|
|
ShouldExtI32Return(TLI.ShouldExtI32Return),
|
|
ShouldSignExtI32Param(TLI.ShouldSignExtI32Param) {
|
|
std::move(std::begin(TLI.AvailableArray), std::end(TLI.AvailableArray),
|
|
AvailableArray);
|
|
VectorDescs = TLI.VectorDescs;
|
|
ScalarDescs = TLI.ScalarDescs;
|
|
}
|
|
|
|
TargetLibraryInfoImpl &TargetLibraryInfoImpl::operator=(const TargetLibraryInfoImpl &TLI) {
|
|
CustomNames = TLI.CustomNames;
|
|
ShouldExtI32Param = TLI.ShouldExtI32Param;
|
|
ShouldExtI32Return = TLI.ShouldExtI32Return;
|
|
ShouldSignExtI32Param = TLI.ShouldSignExtI32Param;
|
|
memcpy(AvailableArray, TLI.AvailableArray, sizeof(AvailableArray));
|
|
return *this;
|
|
}
|
|
|
|
TargetLibraryInfoImpl &TargetLibraryInfoImpl::operator=(TargetLibraryInfoImpl &&TLI) {
|
|
CustomNames = std::move(TLI.CustomNames);
|
|
ShouldExtI32Param = TLI.ShouldExtI32Param;
|
|
ShouldExtI32Return = TLI.ShouldExtI32Return;
|
|
ShouldSignExtI32Param = TLI.ShouldSignExtI32Param;
|
|
std::move(std::begin(TLI.AvailableArray), std::end(TLI.AvailableArray),
|
|
AvailableArray);
|
|
return *this;
|
|
}
|
|
|
|
static StringRef sanitizeFunctionName(StringRef funcName) {
|
|
// Filter out empty names and names containing null bytes, those can't be in
|
|
// our table.
|
|
if (funcName.empty() || funcName.find('\0') != StringRef::npos)
|
|
return StringRef();
|
|
|
|
// Check for \01 prefix that is used to mangle __asm declarations and
|
|
// strip it if present.
|
|
return GlobalValue::getRealLinkageName(funcName);
|
|
}
|
|
|
|
bool TargetLibraryInfoImpl::getLibFunc(StringRef funcName,
|
|
LibFunc &F) const {
|
|
StringRef const *Start = &StandardNames[0];
|
|
StringRef const *End = &StandardNames[NumLibFuncs];
|
|
|
|
funcName = sanitizeFunctionName(funcName);
|
|
if (funcName.empty())
|
|
return false;
|
|
|
|
StringRef const *I = std::lower_bound(
|
|
Start, End, funcName, [](StringRef LHS, StringRef RHS) {
|
|
return LHS < RHS;
|
|
});
|
|
if (I != End && *I == funcName) {
|
|
F = (LibFunc)(I - Start);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool TargetLibraryInfoImpl::isValidProtoForLibFunc(const FunctionType &FTy,
|
|
LibFunc F,
|
|
const DataLayout *DL) const {
|
|
LLVMContext &Ctx = FTy.getContext();
|
|
Type *PCharTy = Type::getInt8PtrTy(Ctx);
|
|
Type *SizeTTy = DL ? DL->getIntPtrType(Ctx, /*AS=*/0) : nullptr;
|
|
auto IsSizeTTy = [SizeTTy](Type *Ty) {
|
|
return SizeTTy ? Ty == SizeTTy : Ty->isIntegerTy();
|
|
};
|
|
unsigned NumParams = FTy.getNumParams();
|
|
|
|
switch (F) {
|
|
case LibFunc_strlen:
|
|
return (NumParams == 1 && FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getReturnType()->isIntegerTy());
|
|
|
|
case LibFunc_strchr:
|
|
case LibFunc_strrchr:
|
|
return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
|
|
FTy.getParamType(0) == FTy.getReturnType() &&
|
|
FTy.getParamType(1)->isIntegerTy());
|
|
|
|
case LibFunc_strtol:
|
|
case LibFunc_strtod:
|
|
case LibFunc_strtof:
|
|
case LibFunc_strtoul:
|
|
case LibFunc_strtoll:
|
|
case LibFunc_strtold:
|
|
case LibFunc_strtoull:
|
|
return ((NumParams == 2 || NumParams == 3) &&
|
|
FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(1)->isPointerTy());
|
|
case LibFunc_strcat:
|
|
return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
|
|
FTy.getParamType(0) == FTy.getReturnType() &&
|
|
FTy.getParamType(1) == FTy.getReturnType());
|
|
|
|
case LibFunc_strncat:
|
|
return (NumParams == 3 && FTy.getReturnType()->isPointerTy() &&
|
|
FTy.getParamType(0) == FTy.getReturnType() &&
|
|
FTy.getParamType(1) == FTy.getReturnType() &&
|
|
FTy.getParamType(2)->isIntegerTy());
|
|
|
|
case LibFunc_strcpy_chk:
|
|
case LibFunc_stpcpy_chk:
|
|
--NumParams;
|
|
if (!IsSizeTTy(FTy.getParamType(NumParams)))
|
|
return false;
|
|
LLVM_FALLTHROUGH;
|
|
case LibFunc_strcpy:
|
|
case LibFunc_stpcpy:
|
|
return (NumParams == 2 && FTy.getReturnType() == FTy.getParamType(0) &&
|
|
FTy.getParamType(0) == FTy.getParamType(1) &&
|
|
FTy.getParamType(0) == PCharTy);
|
|
|
|
case LibFunc_strncpy_chk:
|
|
case LibFunc_stpncpy_chk:
|
|
--NumParams;
|
|
if (!IsSizeTTy(FTy.getParamType(NumParams)))
|
|
return false;
|
|
LLVM_FALLTHROUGH;
|
|
case LibFunc_strncpy:
|
|
case LibFunc_stpncpy:
|
|
return (NumParams == 3 && FTy.getReturnType() == FTy.getParamType(0) &&
|
|
FTy.getParamType(0) == FTy.getParamType(1) &&
|
|
FTy.getParamType(0) == PCharTy &&
|
|
FTy.getParamType(2)->isIntegerTy());
|
|
|
|
case LibFunc_strxfrm:
|
|
return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(1)->isPointerTy());
|
|
|
|
case LibFunc_strcmp:
|
|
return (NumParams == 2 && FTy.getReturnType()->isIntegerTy(32) &&
|
|
FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(0) == FTy.getParamType(1));
|
|
|
|
case LibFunc_strncmp:
|
|
return (NumParams == 3 && FTy.getReturnType()->isIntegerTy(32) &&
|
|
FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(0) == FTy.getParamType(1) &&
|
|
FTy.getParamType(2)->isIntegerTy());
|
|
|
|
case LibFunc_strspn:
|
|
case LibFunc_strcspn:
|
|
return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(0) == FTy.getParamType(1) &&
|
|
FTy.getReturnType()->isIntegerTy());
|
|
|
|
case LibFunc_strcoll:
|
|
case LibFunc_strcasecmp:
|
|
case LibFunc_strncasecmp:
|
|
return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(1)->isPointerTy());
|
|
|
|
case LibFunc_strstr:
|
|
return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
|
|
FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(1)->isPointerTy());
|
|
|
|
case LibFunc_strpbrk:
|
|
return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getReturnType() == FTy.getParamType(0) &&
|
|
FTy.getParamType(0) == FTy.getParamType(1));
|
|
|
|
case LibFunc_strtok:
|
|
case LibFunc_strtok_r:
|
|
return (NumParams >= 2 && FTy.getParamType(1)->isPointerTy());
|
|
case LibFunc_scanf:
|
|
case LibFunc_setbuf:
|
|
case LibFunc_setvbuf:
|
|
return (NumParams >= 1 && FTy.getParamType(0)->isPointerTy());
|
|
case LibFunc_strdup:
|
|
case LibFunc_strndup:
|
|
return (NumParams >= 1 && FTy.getReturnType()->isPointerTy() &&
|
|
FTy.getParamType(0)->isPointerTy());
|
|
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());
|
|
case LibFunc_snprintf:
|
|
return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(2)->isPointerTy());
|
|
case LibFunc_setitimer:
|
|
return (NumParams == 3 && FTy.getParamType(1)->isPointerTy() &&
|
|
FTy.getParamType(2)->isPointerTy());
|
|
case LibFunc_system:
|
|
return (NumParams == 1 && FTy.getParamType(0)->isPointerTy());
|
|
case LibFunc_malloc:
|
|
return (NumParams == 1 && FTy.getReturnType()->isPointerTy());
|
|
case LibFunc_memcmp:
|
|
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.getReturnType()->isPointerTy() &&
|
|
FTy.getReturnType() == FTy.getParamType(0) &&
|
|
FTy.getParamType(1)->isIntegerTy(32) &&
|
|
IsSizeTTy(FTy.getParamType(2)));
|
|
case LibFunc_modf:
|
|
case LibFunc_modff:
|
|
case LibFunc_modfl:
|
|
return (NumParams >= 2 && FTy.getParamType(1)->isPointerTy());
|
|
|
|
case LibFunc_memcpy_chk:
|
|
case LibFunc_memmove_chk:
|
|
--NumParams;
|
|
if (!IsSizeTTy(FTy.getParamType(NumParams)))
|
|
return false;
|
|
LLVM_FALLTHROUGH;
|
|
case LibFunc_memcpy:
|
|
case LibFunc_mempcpy:
|
|
case LibFunc_memmove:
|
|
return (NumParams == 3 && FTy.getReturnType() == FTy.getParamType(0) &&
|
|
FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(1)->isPointerTy() &&
|
|
IsSizeTTy(FTy.getParamType(2)));
|
|
|
|
case LibFunc_memset_chk:
|
|
--NumParams;
|
|
if (!IsSizeTTy(FTy.getParamType(NumParams)))
|
|
return false;
|
|
LLVM_FALLTHROUGH;
|
|
case LibFunc_memset:
|
|
return (NumParams == 3 && FTy.getReturnType() == FTy.getParamType(0) &&
|
|
FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(1)->isIntegerTy() &&
|
|
IsSizeTTy(FTy.getParamType(2)));
|
|
|
|
case LibFunc_memccpy:
|
|
return (NumParams >= 2 && FTy.getParamType(1)->isPointerTy());
|
|
case LibFunc_memalign:
|
|
return (FTy.getReturnType()->isPointerTy());
|
|
case LibFunc_realloc:
|
|
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:
|
|
case LibFunc_rmdir:
|
|
case LibFunc_remove:
|
|
case LibFunc_realpath:
|
|
return (NumParams >= 1 && FTy.getParamType(0)->isPointerTy());
|
|
case LibFunc_rename:
|
|
return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(1)->isPointerTy());
|
|
case LibFunc_readlink:
|
|
return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(1)->isPointerTy());
|
|
case LibFunc_write:
|
|
return (NumParams == 3 && FTy.getParamType(1)->isPointerTy());
|
|
case LibFunc_bcopy:
|
|
case LibFunc_bcmp:
|
|
return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(1)->isPointerTy());
|
|
case LibFunc_bzero:
|
|
return (NumParams == 2 && FTy.getParamType(0)->isPointerTy());
|
|
case LibFunc_calloc:
|
|
return (NumParams == 2 && FTy.getReturnType()->isPointerTy());
|
|
|
|
case LibFunc_atof:
|
|
case LibFunc_atoi:
|
|
case LibFunc_atol:
|
|
case LibFunc_atoll:
|
|
case LibFunc_ferror:
|
|
case LibFunc_getenv:
|
|
case LibFunc_getpwnam:
|
|
case LibFunc_iprintf:
|
|
case LibFunc_pclose:
|
|
case LibFunc_perror:
|
|
case LibFunc_printf:
|
|
case LibFunc_puts:
|
|
case LibFunc_uname:
|
|
case LibFunc_under_IO_getc:
|
|
case LibFunc_unlink:
|
|
case LibFunc_unsetenv:
|
|
return (NumParams == 1 && FTy.getParamType(0)->isPointerTy());
|
|
|
|
case LibFunc_access:
|
|
case LibFunc_chmod:
|
|
case LibFunc_chown:
|
|
case LibFunc_clearerr:
|
|
case LibFunc_closedir:
|
|
case LibFunc_ctermid:
|
|
case LibFunc_fclose:
|
|
case LibFunc_feof:
|
|
case LibFunc_fflush:
|
|
case LibFunc_fgetc:
|
|
case LibFunc_fileno:
|
|
case LibFunc_flockfile:
|
|
case LibFunc_free:
|
|
case LibFunc_fseek:
|
|
case LibFunc_fseeko64:
|
|
case LibFunc_fseeko:
|
|
case LibFunc_fsetpos:
|
|
case LibFunc_ftell:
|
|
case LibFunc_ftello64:
|
|
case LibFunc_ftello:
|
|
case LibFunc_ftrylockfile:
|
|
case LibFunc_funlockfile:
|
|
case LibFunc_getc:
|
|
case LibFunc_getc_unlocked:
|
|
case LibFunc_getlogin_r:
|
|
case LibFunc_mkdir:
|
|
case LibFunc_mktime:
|
|
case LibFunc_times:
|
|
return (NumParams != 0 && FTy.getParamType(0)->isPointerTy());
|
|
|
|
case LibFunc_fopen:
|
|
return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
|
|
FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(1)->isPointerTy());
|
|
case LibFunc_fdopen:
|
|
return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
|
|
FTy.getParamType(1)->isPointerTy());
|
|
case LibFunc_fputc:
|
|
case LibFunc_fstat:
|
|
case LibFunc_frexp:
|
|
case LibFunc_frexpf:
|
|
case LibFunc_frexpl:
|
|
case LibFunc_fstatvfs:
|
|
return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
|
|
case LibFunc_fgets:
|
|
return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(2)->isPointerTy());
|
|
case LibFunc_fread:
|
|
return (NumParams == 4 && FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(3)->isPointerTy());
|
|
case LibFunc_fwrite:
|
|
return (NumParams == 4 && FTy.getReturnType()->isIntegerTy() &&
|
|
FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(1)->isIntegerTy() &&
|
|
FTy.getParamType(2)->isIntegerTy() &&
|
|
FTy.getParamType(3)->isPointerTy());
|
|
case LibFunc_fputs:
|
|
return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(1)->isPointerTy());
|
|
case LibFunc_fscanf:
|
|
case LibFunc_fiprintf:
|
|
case LibFunc_fprintf:
|
|
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_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:
|
|
return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
|
|
case LibFunc_utime:
|
|
case LibFunc_utimes:
|
|
return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(1)->isPointerTy());
|
|
case LibFunc_putc:
|
|
return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
|
|
case LibFunc_pread:
|
|
case LibFunc_pwrite:
|
|
return (NumParams == 4 && FTy.getParamType(1)->isPointerTy());
|
|
case LibFunc_popen:
|
|
return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
|
|
FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(1)->isPointerTy());
|
|
case LibFunc_vscanf:
|
|
return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
|
|
case LibFunc_vsscanf:
|
|
return (NumParams == 3 && FTy.getParamType(1)->isPointerTy() &&
|
|
FTy.getParamType(2)->isPointerTy());
|
|
case LibFunc_vfscanf:
|
|
return (NumParams == 3 && FTy.getParamType(1)->isPointerTy() &&
|
|
FTy.getParamType(2)->isPointerTy());
|
|
case LibFunc_valloc:
|
|
return (FTy.getReturnType()->isPointerTy());
|
|
case LibFunc_vprintf:
|
|
return (NumParams == 2 && FTy.getParamType(0)->isPointerTy());
|
|
case LibFunc_vfprintf:
|
|
case LibFunc_vsprintf:
|
|
return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(1)->isPointerTy());
|
|
case LibFunc_vsnprintf:
|
|
return (NumParams == 4 && FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(2)->isPointerTy());
|
|
case LibFunc_open:
|
|
return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy());
|
|
case LibFunc_opendir:
|
|
return (NumParams == 1 && FTy.getReturnType()->isPointerTy() &&
|
|
FTy.getParamType(0)->isPointerTy());
|
|
case LibFunc_tmpfile:
|
|
return (FTy.getReturnType()->isPointerTy());
|
|
case LibFunc_htonl:
|
|
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());
|
|
case LibFunc_lchown:
|
|
return (NumParams == 3 && FTy.getParamType(0)->isPointerTy());
|
|
case LibFunc_qsort:
|
|
return (NumParams == 4 && FTy.getParamType(3)->isPointerTy());
|
|
case LibFunc_dunder_strdup:
|
|
case LibFunc_dunder_strndup:
|
|
return (NumParams >= 1 && FTy.getReturnType()->isPointerTy() &&
|
|
FTy.getParamType(0)->isPointerTy());
|
|
case LibFunc_dunder_strtok_r:
|
|
return (NumParams == 3 && FTy.getParamType(1)->isPointerTy());
|
|
case LibFunc_under_IO_putc:
|
|
return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
|
|
case LibFunc_dunder_isoc99_scanf:
|
|
return (NumParams >= 1 && FTy.getParamType(0)->isPointerTy());
|
|
case LibFunc_stat64:
|
|
case LibFunc_lstat64:
|
|
case LibFunc_statvfs64:
|
|
return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(1)->isPointerTy());
|
|
case LibFunc_dunder_isoc99_sscanf:
|
|
return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(1)->isPointerTy());
|
|
case LibFunc_fopen64:
|
|
return (NumParams == 2 && FTy.getReturnType()->isPointerTy() &&
|
|
FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(1)->isPointerTy());
|
|
case LibFunc_tmpfile64:
|
|
return (FTy.getReturnType()->isPointerTy());
|
|
case LibFunc_fstat64:
|
|
case LibFunc_fstatvfs64:
|
|
return (NumParams == 2 && FTy.getParamType(1)->isPointerTy());
|
|
case LibFunc_open64:
|
|
return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy());
|
|
case LibFunc_gettimeofday:
|
|
return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(1)->isPointerTy());
|
|
|
|
// 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 &&
|
|
FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(1)->isPointerTy() &&
|
|
FTy.getParamType(2)->isIntegerTy());
|
|
|
|
case LibFunc_cxa_guard_abort:
|
|
case LibFunc_cxa_guard_acquire:
|
|
case LibFunc_cxa_guard_release:
|
|
case LibFunc_nvvm_reflect:
|
|
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:
|
|
case LibFunc_floor:
|
|
case LibFunc_floorf:
|
|
case LibFunc_floorl:
|
|
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:
|
|
case LibFunc_nearbyintf:
|
|
case LibFunc_nearbyintl:
|
|
case LibFunc_rint:
|
|
case LibFunc_rintf:
|
|
case LibFunc_rintl:
|
|
case LibFunc_round:
|
|
case LibFunc_roundf:
|
|
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:
|
|
case LibFunc_truncl:
|
|
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:
|
|
case LibFunc_pow:
|
|
case LibFunc_powf:
|
|
case LibFunc_powl:
|
|
return (NumParams == 2 && FTy.getReturnType()->isFloatingPointTy() &&
|
|
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:
|
|
case LibFunc_fls:
|
|
case LibFunc_flsl:
|
|
case LibFunc_flsll:
|
|
return (NumParams == 1 && FTy.getReturnType()->isIntegerTy(32) &&
|
|
FTy.getParamType(0)->isIntegerTy());
|
|
|
|
case LibFunc_isdigit:
|
|
case LibFunc_isascii:
|
|
case LibFunc_toascii:
|
|
case LibFunc_putchar:
|
|
return (NumParams == 1 && FTy.getReturnType()->isIntegerTy(32) &&
|
|
FTy.getReturnType() == FTy.getParamType(0));
|
|
|
|
case LibFunc_abs:
|
|
case LibFunc_labs:
|
|
case LibFunc_llabs:
|
|
return (NumParams == 1 && FTy.getReturnType()->isIntegerTy() &&
|
|
FTy.getReturnType() == FTy.getParamType(0));
|
|
|
|
case LibFunc_cxa_atexit:
|
|
return (NumParams == 3 && FTy.getReturnType()->isIntegerTy() &&
|
|
FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(1)->isPointerTy() &&
|
|
FTy.getParamType(2)->isPointerTy());
|
|
|
|
case LibFunc_sinpi:
|
|
case LibFunc_cospi:
|
|
return (NumParams == 1 && FTy.getReturnType()->isDoubleTy() &&
|
|
FTy.getReturnType() == FTy.getParamType(0));
|
|
|
|
case LibFunc_sinpif:
|
|
case LibFunc_cospif:
|
|
return (NumParams == 1 && FTy.getReturnType()->isFloatTy() &&
|
|
FTy.getReturnType() == FTy.getParamType(0));
|
|
|
|
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:
|
|
break;
|
|
}
|
|
|
|
llvm_unreachable("Invalid libfunc");
|
|
}
|
|
|
|
bool TargetLibraryInfoImpl::getLibFunc(const Function &FDecl,
|
|
LibFunc &F) const {
|
|
const DataLayout *DL =
|
|
FDecl.getParent() ? &FDecl.getParent()->getDataLayout() : nullptr;
|
|
return getLibFunc(FDecl.getName(), F) &&
|
|
isValidProtoForLibFunc(*FDecl.getFunctionType(), F, DL);
|
|
}
|
|
|
|
void TargetLibraryInfoImpl::disableAllFunctions() {
|
|
memset(AvailableArray, 0, sizeof(AvailableArray));
|
|
}
|
|
|
|
static bool compareByScalarFnName(const VecDesc &LHS, const VecDesc &RHS) {
|
|
return LHS.ScalarFnName < RHS.ScalarFnName;
|
|
}
|
|
|
|
static bool compareByVectorFnName(const VecDesc &LHS, const VecDesc &RHS) {
|
|
return LHS.VectorFnName < RHS.VectorFnName;
|
|
}
|
|
|
|
static bool compareWithScalarFnName(const VecDesc &LHS, StringRef S) {
|
|
return LHS.ScalarFnName < S;
|
|
}
|
|
|
|
static bool compareWithVectorFnName(const VecDesc &LHS, StringRef S) {
|
|
return LHS.VectorFnName < S;
|
|
}
|
|
|
|
void TargetLibraryInfoImpl::addVectorizableFunctions(ArrayRef<VecDesc> Fns) {
|
|
VectorDescs.insert(VectorDescs.end(), Fns.begin(), Fns.end());
|
|
std::sort(VectorDescs.begin(), VectorDescs.end(), compareByScalarFnName);
|
|
|
|
ScalarDescs.insert(ScalarDescs.end(), Fns.begin(), Fns.end());
|
|
std::sort(ScalarDescs.begin(), ScalarDescs.end(), compareByVectorFnName);
|
|
}
|
|
|
|
void TargetLibraryInfoImpl::addVectorizableFunctionsFromVecLib(
|
|
enum VectorLibrary VecLib) {
|
|
switch (VecLib) {
|
|
case Accelerate: {
|
|
const VecDesc VecFuncs[] = {
|
|
// Floating-Point Arithmetic and Auxiliary Functions
|
|
{"ceilf", "vceilf", 4},
|
|
{"fabsf", "vfabsf", 4},
|
|
{"llvm.fabs.f32", "vfabsf", 4},
|
|
{"floorf", "vfloorf", 4},
|
|
{"sqrtf", "vsqrtf", 4},
|
|
{"llvm.sqrt.f32", "vsqrtf", 4},
|
|
|
|
// Exponential and Logarithmic Functions
|
|
{"expf", "vexpf", 4},
|
|
{"llvm.exp.f32", "vexpf", 4},
|
|
{"expm1f", "vexpm1f", 4},
|
|
{"logf", "vlogf", 4},
|
|
{"llvm.log.f32", "vlogf", 4},
|
|
{"log1pf", "vlog1pf", 4},
|
|
{"log10f", "vlog10f", 4},
|
|
{"llvm.log10.f32", "vlog10f", 4},
|
|
{"logbf", "vlogbf", 4},
|
|
|
|
// Trigonometric Functions
|
|
{"sinf", "vsinf", 4},
|
|
{"llvm.sin.f32", "vsinf", 4},
|
|
{"cosf", "vcosf", 4},
|
|
{"llvm.cos.f32", "vcosf", 4},
|
|
{"tanf", "vtanf", 4},
|
|
{"asinf", "vasinf", 4},
|
|
{"acosf", "vacosf", 4},
|
|
{"atanf", "vatanf", 4},
|
|
|
|
// Hyperbolic Functions
|
|
{"sinhf", "vsinhf", 4},
|
|
{"coshf", "vcoshf", 4},
|
|
{"tanhf", "vtanhf", 4},
|
|
{"asinhf", "vasinhf", 4},
|
|
{"acoshf", "vacoshf", 4},
|
|
{"atanhf", "vatanhf", 4},
|
|
};
|
|
addVectorizableFunctions(VecFuncs);
|
|
break;
|
|
}
|
|
case SVML: {
|
|
const VecDesc VecFuncs[] = {
|
|
{"sin", "__svml_sin2", 2},
|
|
{"sin", "__svml_sin4", 4},
|
|
{"sin", "__svml_sin8", 8},
|
|
|
|
{"sinf", "__svml_sinf4", 4},
|
|
{"sinf", "__svml_sinf8", 8},
|
|
{"sinf", "__svml_sinf16", 16},
|
|
|
|
{"cos", "__svml_cos2", 2},
|
|
{"cos", "__svml_cos4", 4},
|
|
{"cos", "__svml_cos8", 8},
|
|
|
|
{"cosf", "__svml_cosf4", 4},
|
|
{"cosf", "__svml_cosf8", 8},
|
|
{"cosf", "__svml_cosf16", 16},
|
|
|
|
{"pow", "__svml_pow2", 2},
|
|
{"pow", "__svml_pow4", 4},
|
|
{"pow", "__svml_pow8", 8},
|
|
|
|
{"powf", "__svml_powf4", 4},
|
|
{"powf", "__svml_powf8", 8},
|
|
{"powf", "__svml_powf16", 16},
|
|
|
|
{"llvm.pow.f64", "__svml_pow2", 2},
|
|
{"llvm.pow.f64", "__svml_pow4", 4},
|
|
{"llvm.pow.f64", "__svml_pow8", 8},
|
|
|
|
{"llvm.pow.f32", "__svml_powf4", 4},
|
|
{"llvm.pow.f32", "__svml_powf8", 8},
|
|
{"llvm.pow.f32", "__svml_powf16", 16},
|
|
|
|
{"exp", "__svml_exp2", 2},
|
|
{"exp", "__svml_exp4", 4},
|
|
{"exp", "__svml_exp8", 8},
|
|
|
|
{"expf", "__svml_expf4", 4},
|
|
{"expf", "__svml_expf8", 8},
|
|
{"expf", "__svml_expf16", 16},
|
|
|
|
{"llvm.exp.f64", "__svml_exp2", 2},
|
|
{"llvm.exp.f64", "__svml_exp4", 4},
|
|
{"llvm.exp.f64", "__svml_exp8", 8},
|
|
|
|
{"llvm.exp.f32", "__svml_expf4", 4},
|
|
{"llvm.exp.f32", "__svml_expf8", 8},
|
|
{"llvm.exp.f32", "__svml_expf16", 16},
|
|
|
|
{"log", "__svml_log2", 2},
|
|
{"log", "__svml_log4", 4},
|
|
{"log", "__svml_log8", 8},
|
|
|
|
{"logf", "__svml_logf4", 4},
|
|
{"logf", "__svml_logf8", 8},
|
|
{"logf", "__svml_logf16", 16},
|
|
|
|
{"llvm.log.f64", "__svml_log2", 2},
|
|
{"llvm.log.f64", "__svml_log4", 4},
|
|
{"llvm.log.f64", "__svml_log8", 8},
|
|
|
|
{"llvm.log.f32", "__svml_logf4", 4},
|
|
{"llvm.log.f32", "__svml_logf8", 8},
|
|
{"llvm.log.f32", "__svml_logf16", 16},
|
|
};
|
|
addVectorizableFunctions(VecFuncs);
|
|
break;
|
|
}
|
|
case NoLibrary:
|
|
break;
|
|
}
|
|
}
|
|
|
|
bool TargetLibraryInfoImpl::isFunctionVectorizable(StringRef funcName) const {
|
|
funcName = sanitizeFunctionName(funcName);
|
|
if (funcName.empty())
|
|
return false;
|
|
|
|
std::vector<VecDesc>::const_iterator I = std::lower_bound(
|
|
VectorDescs.begin(), VectorDescs.end(), funcName,
|
|
compareWithScalarFnName);
|
|
return I != VectorDescs.end() && StringRef(I->ScalarFnName) == funcName;
|
|
}
|
|
|
|
StringRef TargetLibraryInfoImpl::getVectorizedFunction(StringRef F,
|
|
unsigned VF) const {
|
|
F = sanitizeFunctionName(F);
|
|
if (F.empty())
|
|
return F;
|
|
std::vector<VecDesc>::const_iterator I = std::lower_bound(
|
|
VectorDescs.begin(), VectorDescs.end(), F, compareWithScalarFnName);
|
|
while (I != VectorDescs.end() && StringRef(I->ScalarFnName) == F) {
|
|
if (I->VectorizationFactor == VF)
|
|
return I->VectorFnName;
|
|
++I;
|
|
}
|
|
return StringRef();
|
|
}
|
|
|
|
StringRef TargetLibraryInfoImpl::getScalarizedFunction(StringRef F,
|
|
unsigned &VF) const {
|
|
F = sanitizeFunctionName(F);
|
|
if (F.empty())
|
|
return F;
|
|
|
|
std::vector<VecDesc>::const_iterator I = std::lower_bound(
|
|
ScalarDescs.begin(), ScalarDescs.end(), F, compareWithVectorFnName);
|
|
if (I == VectorDescs.end() || StringRef(I->VectorFnName) != F)
|
|
return StringRef();
|
|
VF = I->VectorizationFactor;
|
|
return I->ScalarFnName;
|
|
}
|
|
|
|
TargetLibraryInfo TargetLibraryAnalysis::run(Module &M,
|
|
ModuleAnalysisManager &) {
|
|
if (PresetInfoImpl)
|
|
return TargetLibraryInfo(*PresetInfoImpl);
|
|
|
|
return TargetLibraryInfo(lookupInfoImpl(Triple(M.getTargetTriple())));
|
|
}
|
|
|
|
TargetLibraryInfo TargetLibraryAnalysis::run(Function &F,
|
|
FunctionAnalysisManager &) {
|
|
if (PresetInfoImpl)
|
|
return TargetLibraryInfo(*PresetInfoImpl);
|
|
|
|
return TargetLibraryInfo(
|
|
lookupInfoImpl(Triple(F.getParent()->getTargetTriple())));
|
|
}
|
|
|
|
TargetLibraryInfoImpl &TargetLibraryAnalysis::lookupInfoImpl(const Triple &T) {
|
|
std::unique_ptr<TargetLibraryInfoImpl> &Impl =
|
|
Impls[T.normalize()];
|
|
if (!Impl)
|
|
Impl.reset(new TargetLibraryInfoImpl(T));
|
|
|
|
return *Impl;
|
|
}
|
|
|
|
|
|
TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass()
|
|
: ImmutablePass(ID), TLIImpl(), TLI(TLIImpl) {
|
|
initializeTargetLibraryInfoWrapperPassPass(*PassRegistry::getPassRegistry());
|
|
}
|
|
|
|
TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass(const Triple &T)
|
|
: ImmutablePass(ID), TLIImpl(T), TLI(TLIImpl) {
|
|
initializeTargetLibraryInfoWrapperPassPass(*PassRegistry::getPassRegistry());
|
|
}
|
|
|
|
TargetLibraryInfoWrapperPass::TargetLibraryInfoWrapperPass(
|
|
const TargetLibraryInfoImpl &TLIImpl)
|
|
: ImmutablePass(ID), TLIImpl(TLIImpl), TLI(this->TLIImpl) {
|
|
initializeTargetLibraryInfoWrapperPassPass(*PassRegistry::getPassRegistry());
|
|
}
|
|
|
|
AnalysisKey TargetLibraryAnalysis::Key;
|
|
|
|
// Register the basic pass.
|
|
INITIALIZE_PASS(TargetLibraryInfoWrapperPass, "targetlibinfo",
|
|
"Target Library Information", false, true)
|
|
char TargetLibraryInfoWrapperPass::ID = 0;
|
|
|
|
void TargetLibraryInfoWrapperPass::anchor() {}
|