forked from OSchip/llvm-project
1245 lines
44 KiB
C++
1245 lines
44 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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clEnumValEnd));
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const char *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<const char *> 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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[](const char *LHS, const char *RHS) {
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return strcmp(LHS, RHS) < 0;
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}) &&
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"TargetLibraryInfoImpl function names must be sorted");
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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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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
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// speak of. Headers provide a standard-ish library implementation, but many
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// of the signatures are wrong -- for example, many libm functions are not
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// extern "C".
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//
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// libdevice, an IR library provided by nvidia, is linked in by the front-end,
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// but only used functions are provided to llvm. Moreover, most of the
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// functions in libdevice don't map precisely to standard library functions.
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//
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// FIXME: Having no standard library prevents e.g. many fastmath
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// optimizations, so this situation should be fixed.
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if (T.isNVPTX()) {
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TLI.disableAllFunctions();
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TLI.setAvailable(LibFunc::nvvm_reflect);
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} else {
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TLI.setUnavailable(LibFunc::nvvm_reflect);
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}
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TLI.addVectorizableFunctionsFromVecLib(ClVectorLibrary);
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}
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TargetLibraryInfoImpl::TargetLibraryInfoImpl() {
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// Default to everything being available.
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memset(AvailableArray, -1, sizeof(AvailableArray));
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|
|
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) {
|
|
memcpy(AvailableArray, TLI.AvailableArray, sizeof(AvailableArray));
|
|
VectorDescs = TLI.VectorDescs;
|
|
ScalarDescs = TLI.ScalarDescs;
|
|
}
|
|
|
|
TargetLibraryInfoImpl::TargetLibraryInfoImpl(TargetLibraryInfoImpl &&TLI)
|
|
: CustomNames(std::move(TLI.CustomNames)) {
|
|
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;
|
|
memcpy(AvailableArray, TLI.AvailableArray, sizeof(AvailableArray));
|
|
return *this;
|
|
}
|
|
|
|
TargetLibraryInfoImpl &TargetLibraryInfoImpl::operator=(TargetLibraryInfoImpl &&TLI) {
|
|
CustomNames = std::move(TLI.CustomNames);
|
|
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::Func &F) const {
|
|
const char *const *Start = &StandardNames[0];
|
|
const char *const *End = &StandardNames[LibFunc::NumLibFuncs];
|
|
|
|
funcName = sanitizeFunctionName(funcName);
|
|
if (funcName.empty())
|
|
return false;
|
|
|
|
const char *const *I = std::lower_bound(
|
|
Start, End, funcName, [](const char *LHS, StringRef RHS) {
|
|
return std::strncmp(LHS, RHS.data(), RHS.size()) < 0;
|
|
});
|
|
if (I != End && *I == funcName) {
|
|
F = (LibFunc::Func)(I - Start);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool TargetLibraryInfoImpl::isValidProtoForLibFunc(const FunctionType &FTy,
|
|
LibFunc::Func 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;
|
|
// 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;
|
|
// 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::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.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(1)->isPointerTy() &&
|
|
FTy.getReturnType()->isIntegerTy(32));
|
|
|
|
case LibFunc::memchr:
|
|
case LibFunc::memrchr:
|
|
return (NumParams == 3 && FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(1)->isIntegerTy(32) &&
|
|
FTy.getParamType(2)->isIntegerTy() &&
|
|
FTy.getReturnType()->isPointerTy());
|
|
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;
|
|
// 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;
|
|
// 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:
|
|
return (NumParams == 2 && FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getReturnType()->isPointerTy());
|
|
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::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::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::access:
|
|
return (NumParams == 2 && 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::fprintf:
|
|
return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(1)->isPointerTy());
|
|
case LibFunc::fgetpos:
|
|
return (NumParams >= 2 && FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(1)->isPointerTy());
|
|
case LibFunc::gets:
|
|
case LibFunc::getchar:
|
|
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::htons:
|
|
case LibFunc::ntohl:
|
|
case LibFunc::ntohs:
|
|
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 >= 1 && FTy.getParamType(0)->isPointerTy() &&
|
|
FTy.getParamType(1)->isPointerTy());
|
|
case LibFunc::dunder_isoc99_sscanf:
|
|
return (NumParams >= 1 && 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());
|
|
|
|
case LibFunc::Znwj: // new(unsigned int);
|
|
case LibFunc::Znwm: // new(unsigned long);
|
|
case LibFunc::Znaj: // new[](unsigned int);
|
|
case LibFunc::Znam: // new[](unsigned long);
|
|
case LibFunc::msvc_new_int: // new(unsigned int);
|
|
case LibFunc::msvc_new_longlong: // new(unsigned long long);
|
|
case LibFunc::msvc_new_array_int: // new[](unsigned int);
|
|
case LibFunc::msvc_new_array_longlong: // new[](unsigned long long);
|
|
return (NumParams == 1);
|
|
|
|
case LibFunc::memset_pattern16:
|
|
return (!FTy.isVarArg() && NumParams == 3 &&
|
|
isa<PointerType>(FTy.getParamType(0)) &&
|
|
isa<PointerType>(FTy.getParamType(1)) &&
|
|
isa<IntegerType>(FTy.getParamType(2)));
|
|
|
|
// int __nvvm_reflect(const char *);
|
|
case LibFunc::nvvm_reflect:
|
|
return (NumParams == 1 && isa<PointerType>(FTy.getParamType(0)));
|
|
|
|
case LibFunc::sin:
|
|
case LibFunc::sinf:
|
|
case LibFunc::sinl:
|
|
case LibFunc::cos:
|
|
case LibFunc::cosf:
|
|
case LibFunc::cosl:
|
|
case LibFunc::tan:
|
|
case LibFunc::tanf:
|
|
case LibFunc::tanl:
|
|
case LibFunc::exp:
|
|
case LibFunc::expf:
|
|
case LibFunc::expl:
|
|
case LibFunc::exp2:
|
|
case LibFunc::exp2f:
|
|
case LibFunc::exp2l:
|
|
case LibFunc::log:
|
|
case LibFunc::logf:
|
|
case LibFunc::logl:
|
|
case LibFunc::log10:
|
|
case LibFunc::log10f:
|
|
case LibFunc::log10l:
|
|
case LibFunc::log2:
|
|
case LibFunc::log2f:
|
|
case LibFunc::log2l:
|
|
case LibFunc::fabs:
|
|
case LibFunc::fabsf:
|
|
case LibFunc::fabsl:
|
|
case LibFunc::floor:
|
|
case LibFunc::floorf:
|
|
case LibFunc::floorl:
|
|
case LibFunc::ceil:
|
|
case LibFunc::ceilf:
|
|
case LibFunc::ceill:
|
|
case LibFunc::trunc:
|
|
case LibFunc::truncf:
|
|
case LibFunc::truncl:
|
|
case LibFunc::rint:
|
|
case LibFunc::rintf:
|
|
case LibFunc::rintl:
|
|
case LibFunc::nearbyint:
|
|
case LibFunc::nearbyintf:
|
|
case LibFunc::nearbyintl:
|
|
case LibFunc::round:
|
|
case LibFunc::roundf:
|
|
case LibFunc::roundl:
|
|
case LibFunc::sqrt:
|
|
case LibFunc::sqrtf:
|
|
case LibFunc::sqrtl:
|
|
return (NumParams == 1 && FTy.getReturnType()->isFloatingPointTy() &&
|
|
FTy.getReturnType() == FTy.getParamType(0));
|
|
|
|
case LibFunc::fmin:
|
|
case LibFunc::fminf:
|
|
case LibFunc::fminl:
|
|
case LibFunc::fmax:
|
|
case LibFunc::fmaxf:
|
|
case LibFunc::fmaxl:
|
|
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::ffs:
|
|
case LibFunc::ffsl:
|
|
case LibFunc::ffsll:
|
|
case LibFunc::isdigit:
|
|
case LibFunc::isascii:
|
|
case LibFunc::toascii:
|
|
return (NumParams == 1 && FTy.getReturnType()->isIntegerTy(32) &&
|
|
FTy.getParamType(0)->isIntegerTy());
|
|
|
|
case LibFunc::fls:
|
|
case LibFunc::flsl:
|
|
case LibFunc::flsll:
|
|
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));
|
|
|
|
default:
|
|
// Assume the other functions are correct.
|
|
// FIXME: It'd be really nice to cover them all.
|
|
return true;
|
|
}
|
|
}
|
|
|
|
bool TargetLibraryInfoImpl::getLibFunc(const Function &FDecl,
|
|
LibFunc::Func &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 std::strncmp(LHS.ScalarFnName, RHS.ScalarFnName,
|
|
std::strlen(RHS.ScalarFnName)) < 0;
|
|
}
|
|
|
|
static bool compareByVectorFnName(const VecDesc &LHS, const VecDesc &RHS) {
|
|
return std::strncmp(LHS.VectorFnName, RHS.VectorFnName,
|
|
std::strlen(RHS.VectorFnName)) < 0;
|
|
}
|
|
|
|
static bool compareWithScalarFnName(const VecDesc &LHS, StringRef S) {
|
|
return std::strncmp(LHS.ScalarFnName, S.data(), S.size()) < 0;
|
|
}
|
|
|
|
static bool compareWithVectorFnName(const VecDesc &LHS, StringRef S) {
|
|
return std::strncmp(LHS.VectorFnName, S.data(), S.size()) < 0;
|
|
}
|
|
|
|
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());
|
|
}
|
|
|
|
char TargetLibraryAnalysis::PassID;
|
|
|
|
// Register the basic pass.
|
|
INITIALIZE_PASS(TargetLibraryInfoWrapperPass, "targetlibinfo",
|
|
"Target Library Information", false, true)
|
|
char TargetLibraryInfoWrapperPass::ID = 0;
|
|
|
|
void TargetLibraryInfoWrapperPass::anchor() {}
|