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//===--- Targets.cpp - Implement target feature support -------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements construction of a TargetInfo object from a
// target triple.
//
//===----------------------------------------------------------------------===//
#include "clang/Basic/Builtins.h"
#include "clang/Basic/Cuda.h"
#include "clang/Basic/Diagnostic.h"
#include "clang/Basic/LangOptions.h"
#include "clang/Basic/MacroBuilder.h"
#include "clang/Basic/TargetBuiltins.h"
#include "clang/Basic/TargetInfo.h"
#include "clang/Basic/TargetOptions.h"
#include "clang/Basic/Version.h"
#include "clang/Frontend/CodeGenOptions.h"
#include "llvm/ADT/APFloat.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/ADT/Triple.h"
#include "llvm/MC/MCSectionMachO.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/TargetParser.h"
#include <algorithm>
#include <memory>
using namespace clang;
//===----------------------------------------------------------------------===//
// Common code shared among targets.
//===----------------------------------------------------------------------===//
/// DefineStd - Define a macro name and standard variants. For example if
/// MacroName is "unix", then this will define "__unix", "__unix__", and "unix"
/// when in GNU mode.
static void DefineStd(MacroBuilder &Builder, StringRef MacroName,
const LangOptions &Opts) {
assert(MacroName[0] != '_' && "Identifier should be in the user's namespace");
// If in GNU mode (e.g. -std=gnu99 but not -std=c99) define the raw identifier
// in the user's namespace.
if (Opts.GNUMode)
Builder.defineMacro(MacroName);
// Define __unix.
Builder.defineMacro("__" + MacroName);
// Define __unix__.
Builder.defineMacro("__" + MacroName + "__");
}
static void defineCPUMacros(MacroBuilder &Builder, StringRef CPUName,
bool Tuning = true) {
Builder.defineMacro("__" + CPUName);
Builder.defineMacro("__" + CPUName + "__");
if (Tuning)
Builder.defineMacro("__tune_" + CPUName + "__");
}
static TargetInfo *AllocateTarget(const llvm::Triple &Triple,
const TargetOptions &Opts);
//===----------------------------------------------------------------------===//
// Defines specific to certain operating systems.
//===----------------------------------------------------------------------===//
namespace {
template<typename TgtInfo>
class OSTargetInfo : public TgtInfo {
protected:
virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const=0;
public:
OSTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
: TgtInfo(Triple, Opts) {}
void getTargetDefines(const LangOptions &Opts,
MacroBuilder &Builder) const override {
TgtInfo::getTargetDefines(Opts, Builder);
getOSDefines(Opts, TgtInfo::getTriple(), Builder);
}
};
// CloudABI Target
template <typename Target>
class CloudABITargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
Builder.defineMacro("__CloudABI__");
Builder.defineMacro("__ELF__");
// CloudABI uses ISO/IEC 10646:2012 for wchar_t, char16_t and char32_t.
Builder.defineMacro("__STDC_ISO_10646__", "201206L");
Builder.defineMacro("__STDC_UTF_16__");
Builder.defineMacro("__STDC_UTF_32__");
}
public:
CloudABITargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
: OSTargetInfo<Target>(Triple, Opts) {}
};
static void getDarwinDefines(MacroBuilder &Builder, const LangOptions &Opts,
const llvm::Triple &Triple,
StringRef &PlatformName,
VersionTuple &PlatformMinVersion) {
Builder.defineMacro("__APPLE_CC__", "6000");
Builder.defineMacro("__APPLE__");
Builder.defineMacro("__STDC_NO_THREADS__");
Builder.defineMacro("OBJC_NEW_PROPERTIES");
// AddressSanitizer doesn't play well with source fortification, which is on
// by default on Darwin.
if (Opts.Sanitize.has(SanitizerKind::Address))
Builder.defineMacro("_FORTIFY_SOURCE", "0");
// Darwin defines __weak, __strong, and __unsafe_unretained even in C mode.
if (!Opts.ObjC1) {
// __weak is always defined, for use in blocks and with objc pointers.
Builder.defineMacro("__weak", "__attribute__((objc_gc(weak)))");
Builder.defineMacro("__strong", "");
Builder.defineMacro("__unsafe_unretained", "");
}
if (Opts.Static)
Builder.defineMacro("__STATIC__");
else
Builder.defineMacro("__DYNAMIC__");
if (Opts.POSIXThreads)
Builder.defineMacro("_REENTRANT");
// Get the platform type and version number from the triple.
unsigned Maj, Min, Rev;
if (Triple.isMacOSX()) {
Triple.getMacOSXVersion(Maj, Min, Rev);
PlatformName = "macos";
} else {
Triple.getOSVersion(Maj, Min, Rev);
PlatformName = llvm::Triple::getOSTypeName(Triple.getOS());
}
// If -target arch-pc-win32-macho option specified, we're
// generating code for Win32 ABI. No need to emit
// __ENVIRONMENT_XX_OS_VERSION_MIN_REQUIRED__.
if (PlatformName == "win32") {
PlatformMinVersion = VersionTuple(Maj, Min, Rev);
return;
}
// Set the appropriate OS version define.
if (Triple.isiOS()) {
assert(Maj < 100 && Min < 100 && Rev < 100 && "Invalid version!");
char Str[7];
if (Maj < 10) {
Str[0] = '0' + Maj;
Str[1] = '0' + (Min / 10);
Str[2] = '0' + (Min % 10);
Str[3] = '0' + (Rev / 10);
Str[4] = '0' + (Rev % 10);
Str[5] = '\0';
} else {
// Handle versions >= 10.
Str[0] = '0' + (Maj / 10);
Str[1] = '0' + (Maj % 10);
Str[2] = '0' + (Min / 10);
Str[3] = '0' + (Min % 10);
Str[4] = '0' + (Rev / 10);
Str[5] = '0' + (Rev % 10);
Str[6] = '\0';
}
if (Triple.isTvOS())
Builder.defineMacro("__ENVIRONMENT_TV_OS_VERSION_MIN_REQUIRED__", Str);
else
Builder.defineMacro("__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__",
Str);
} else if (Triple.isWatchOS()) {
assert(Maj < 10 && Min < 100 && Rev < 100 && "Invalid version!");
char Str[6];
Str[0] = '0' + Maj;
Str[1] = '0' + (Min / 10);
Str[2] = '0' + (Min % 10);
Str[3] = '0' + (Rev / 10);
Str[4] = '0' + (Rev % 10);
Str[5] = '\0';
Builder.defineMacro("__ENVIRONMENT_WATCH_OS_VERSION_MIN_REQUIRED__", Str);
} else if (Triple.isMacOSX()) {
// Note that the Driver allows versions which aren't representable in the
// define (because we only get a single digit for the minor and micro
// revision numbers). So, we limit them to the maximum representable
// version.
assert(Maj < 100 && Min < 100 && Rev < 100 && "Invalid version!");
char Str[7];
if (Maj < 10 || (Maj == 10 && Min < 10)) {
Str[0] = '0' + (Maj / 10);
Str[1] = '0' + (Maj % 10);
Str[2] = '0' + std::min(Min, 9U);
Str[3] = '0' + std::min(Rev, 9U);
Str[4] = '\0';
} else {
// Handle versions > 10.9.
Str[0] = '0' + (Maj / 10);
Str[1] = '0' + (Maj % 10);
Str[2] = '0' + (Min / 10);
Str[3] = '0' + (Min % 10);
Str[4] = '0' + (Rev / 10);
Str[5] = '0' + (Rev % 10);
Str[6] = '\0';
}
Builder.defineMacro("__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__", Str);
}
// Tell users about the kernel if there is one.
if (Triple.isOSDarwin())
Builder.defineMacro("__MACH__");
// The Watch ABI uses Dwarf EH.
if(Triple.isWatchABI())
Builder.defineMacro("__ARM_DWARF_EH__");
PlatformMinVersion = VersionTuple(Maj, Min, Rev);
}
template<typename Target>
class DarwinTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
getDarwinDefines(Builder, Opts, Triple, this->PlatformName,
this->PlatformMinVersion);
}
public:
DarwinTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
: OSTargetInfo<Target>(Triple, Opts) {
// By default, no TLS, and we whitelist permitted architecture/OS
// combinations.
this->TLSSupported = false;
if (Triple.isMacOSX())
this->TLSSupported = !Triple.isMacOSXVersionLT(10, 7);
else if (Triple.isiOS()) {
// 64-bit iOS supported it from 8 onwards, 32-bit from 9 onwards.
if (Triple.getArch() == llvm::Triple::x86_64 ||
Triple.getArch() == llvm::Triple::aarch64)
this->TLSSupported = !Triple.isOSVersionLT(8);
else if (Triple.getArch() == llvm::Triple::x86 ||
Triple.getArch() == llvm::Triple::arm ||
Triple.getArch() == llvm::Triple::thumb)
this->TLSSupported = !Triple.isOSVersionLT(9);
} else if (Triple.isWatchOS())
this->TLSSupported = !Triple.isOSVersionLT(2);
this->MCountName = "\01mcount";
}
std::string isValidSectionSpecifier(StringRef SR) const override {
// Let MCSectionMachO validate this.
StringRef Segment, Section;
unsigned TAA, StubSize;
bool HasTAA;
return llvm::MCSectionMachO::ParseSectionSpecifier(SR, Segment, Section,
TAA, HasTAA, StubSize);
}
const char *getStaticInitSectionSpecifier() const override {
// FIXME: We should return 0 when building kexts.
return "__TEXT,__StaticInit,regular,pure_instructions";
}
/// Darwin does not support protected visibility. Darwin's "default"
/// is very similar to ELF's "protected"; Darwin requires a "weak"
/// attribute on declarations that can be dynamically replaced.
bool hasProtectedVisibility() const override {
return false;
}
unsigned getExnObjectAlignment() const override {
// The alignment of an exception object is 8-bytes for darwin since
// libc++abi doesn't declare _Unwind_Exception with __attribute__((aligned))
// and therefore doesn't guarantee 16-byte alignment.
return 64;
}
};
// DragonFlyBSD Target
template<typename Target>
class DragonFlyBSDTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
// DragonFly defines; list based off of gcc output
Builder.defineMacro("__DragonFly__");
Builder.defineMacro("__DragonFly_cc_version", "100001");
Builder.defineMacro("__ELF__");
Builder.defineMacro("__KPRINTF_ATTRIBUTE__");
Builder.defineMacro("__tune_i386__");
DefineStd(Builder, "unix", Opts);
}
public:
DragonFlyBSDTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
: OSTargetInfo<Target>(Triple, Opts) {
switch (Triple.getArch()) {
default:
case llvm::Triple::x86:
case llvm::Triple::x86_64:
this->MCountName = ".mcount";
break;
}
}
};
#ifndef FREEBSD_CC_VERSION
#define FREEBSD_CC_VERSION 0U
#endif
// FreeBSD Target
template<typename Target>
class FreeBSDTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
// FreeBSD defines; list based off of gcc output
unsigned Release = Triple.getOSMajorVersion();
if (Release == 0U)
Release = 8U;
unsigned CCVersion = FREEBSD_CC_VERSION;
if (CCVersion == 0U)
CCVersion = Release * 100000U + 1U;
Builder.defineMacro("__FreeBSD__", Twine(Release));
Builder.defineMacro("__FreeBSD_cc_version", Twine(CCVersion));
Builder.defineMacro("__KPRINTF_ATTRIBUTE__");
DefineStd(Builder, "unix", Opts);
Builder.defineMacro("__ELF__");
// On FreeBSD, wchar_t contains the number of the code point as
// used by the character set of the locale. These character sets are
// not necessarily a superset of ASCII.
//
// FIXME: This is wrong; the macro refers to the numerical values
// of wchar_t *literals*, which are not locale-dependent. However,
// FreeBSD systems apparently depend on us getting this wrong, and
// setting this to 1 is conforming even if all the basic source
// character literals have the same encoding as char and wchar_t.
Builder.defineMacro("__STDC_MB_MIGHT_NEQ_WC__", "1");
}
public:
FreeBSDTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
: OSTargetInfo<Target>(Triple, Opts) {
switch (Triple.getArch()) {
default:
case llvm::Triple::x86:
case llvm::Triple::x86_64:
this->MCountName = ".mcount";
break;
case llvm::Triple::mips:
case llvm::Triple::mipsel:
case llvm::Triple::ppc:
case llvm::Triple::ppc64:
case llvm::Triple::ppc64le:
this->MCountName = "_mcount";
break;
case llvm::Triple::arm:
this->MCountName = "__mcount";
break;
}
}
};
// GNU/kFreeBSD Target
template<typename Target>
class KFreeBSDTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
// GNU/kFreeBSD defines; list based off of gcc output
DefineStd(Builder, "unix", Opts);
Builder.defineMacro("__FreeBSD_kernel__");
Builder.defineMacro("__GLIBC__");
Builder.defineMacro("__ELF__");
if (Opts.POSIXThreads)
Builder.defineMacro("_REENTRANT");
if (Opts.CPlusPlus)
Builder.defineMacro("_GNU_SOURCE");
}
public:
KFreeBSDTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
: OSTargetInfo<Target>(Triple, Opts) {}
};
// Haiku Target
template<typename Target>
class HaikuTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
// Haiku defines; list based off of gcc output
Builder.defineMacro("__HAIKU__");
Builder.defineMacro("__ELF__");
DefineStd(Builder, "unix", Opts);
}
public:
HaikuTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
: OSTargetInfo<Target>(Triple, Opts) {
this->SizeType = TargetInfo::UnsignedLong;
this->IntPtrType = TargetInfo::SignedLong;
this->PtrDiffType = TargetInfo::SignedLong;
this->ProcessIDType = TargetInfo::SignedLong;
this->TLSSupported = false;
}
};
// Minix Target
template<typename Target>
class MinixTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
// Minix defines
Builder.defineMacro("__minix", "3");
Builder.defineMacro("_EM_WSIZE", "4");
Builder.defineMacro("_EM_PSIZE", "4");
Builder.defineMacro("_EM_SSIZE", "2");
Builder.defineMacro("_EM_LSIZE", "4");
Builder.defineMacro("_EM_FSIZE", "4");
Builder.defineMacro("_EM_DSIZE", "8");
Builder.defineMacro("__ELF__");
DefineStd(Builder, "unix", Opts);
}
public:
MinixTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
: OSTargetInfo<Target>(Triple, Opts) {}
};
// Linux target
template<typename Target>
class LinuxTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
// Linux defines; list based off of gcc output
DefineStd(Builder, "unix", Opts);
DefineStd(Builder, "linux", Opts);
Builder.defineMacro("__gnu_linux__");
Builder.defineMacro("__ELF__");
if (Triple.isAndroid()) {
Builder.defineMacro("__ANDROID__", "1");
unsigned Maj, Min, Rev;
Triple.getEnvironmentVersion(Maj, Min, Rev);
this->PlatformName = "android";
this->PlatformMinVersion = VersionTuple(Maj, Min, Rev);
if (Maj)
Builder.defineMacro("__ANDROID_API__", Twine(Maj));
}
if (Opts.POSIXThreads)
Builder.defineMacro("_REENTRANT");
if (Opts.CPlusPlus)
Builder.defineMacro("_GNU_SOURCE");
if (this->HasFloat128)
Builder.defineMacro("__FLOAT128__");
}
public:
LinuxTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
: OSTargetInfo<Target>(Triple, Opts) {
this->WIntType = TargetInfo::UnsignedInt;
switch (Triple.getArch()) {
default:
break;
case llvm::Triple::ppc:
case llvm::Triple::ppc64:
case llvm::Triple::ppc64le:
this->MCountName = "_mcount";
break;
case llvm::Triple::x86:
case llvm::Triple::x86_64:
case llvm::Triple::systemz:
this->HasFloat128 = true;
break;
}
}
const char *getStaticInitSectionSpecifier() const override {
return ".text.startup";
}
};
// NetBSD Target
template<typename Target>
class NetBSDTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
// NetBSD defines; list based off of gcc output
Builder.defineMacro("__NetBSD__");
Builder.defineMacro("__unix__");
Builder.defineMacro("__ELF__");
if (Opts.POSIXThreads)
Builder.defineMacro("_REENTRANT");
switch (Triple.getArch()) {
default:
break;
case llvm::Triple::arm:
case llvm::Triple::armeb:
case llvm::Triple::thumb:
case llvm::Triple::thumbeb:
Builder.defineMacro("__ARM_DWARF_EH__");
break;
}
}
public:
NetBSDTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
: OSTargetInfo<Target>(Triple, Opts) {
this->MCountName = "_mcount";
}
};
// OpenBSD Target
template<typename Target>
class OpenBSDTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
// OpenBSD defines; list based off of gcc output
Builder.defineMacro("__OpenBSD__");
DefineStd(Builder, "unix", Opts);
Builder.defineMacro("__ELF__");
if (Opts.POSIXThreads)
Builder.defineMacro("_REENTRANT");
if (this->HasFloat128)
Builder.defineMacro("__FLOAT128__");
}
public:
OpenBSDTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
: OSTargetInfo<Target>(Triple, Opts) {
this->TLSSupported = false;
switch (Triple.getArch()) {
case llvm::Triple::x86:
case llvm::Triple::x86_64:
this->HasFloat128 = true;
// FALLTHROUGH
default:
this->MCountName = "__mcount";
break;
case llvm::Triple::mips64:
case llvm::Triple::mips64el:
case llvm::Triple::ppc:
case llvm::Triple::sparcv9:
this->MCountName = "_mcount";
break;
}
}
};
// Bitrig Target
template<typename Target>
class BitrigTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
// Bitrig defines; list based off of gcc output
Builder.defineMacro("__Bitrig__");
DefineStd(Builder, "unix", Opts);
Builder.defineMacro("__ELF__");
if (Opts.POSIXThreads)
Builder.defineMacro("_REENTRANT");
switch (Triple.getArch()) {
default:
break;
case llvm::Triple::arm:
case llvm::Triple::armeb:
case llvm::Triple::thumb:
case llvm::Triple::thumbeb:
Builder.defineMacro("__ARM_DWARF_EH__");
break;
}
}
public:
BitrigTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
: OSTargetInfo<Target>(Triple, Opts) {
this->MCountName = "__mcount";
}
};
// PSP Target
template<typename Target>
class PSPTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
// PSP defines; list based on the output of the pspdev gcc toolchain.
Builder.defineMacro("PSP");
Builder.defineMacro("_PSP");
Builder.defineMacro("__psp__");
Builder.defineMacro("__ELF__");
}
public:
PSPTargetInfo(const llvm::Triple &Triple) : OSTargetInfo<Target>(Triple) {}
};
// PS3 PPU Target
template<typename Target>
class PS3PPUTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
// PS3 PPU defines.
Builder.defineMacro("__PPC__");
Builder.defineMacro("__PPU__");
Builder.defineMacro("__CELLOS_LV2__");
Builder.defineMacro("__ELF__");
Builder.defineMacro("__LP32__");
Builder.defineMacro("_ARCH_PPC64");
Builder.defineMacro("__powerpc64__");
}
public:
PS3PPUTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
: OSTargetInfo<Target>(Triple, Opts) {
this->LongWidth = this->LongAlign = 32;
this->PointerWidth = this->PointerAlign = 32;
this->IntMaxType = TargetInfo::SignedLongLong;
this->Int64Type = TargetInfo::SignedLongLong;
this->SizeType = TargetInfo::UnsignedInt;
this->resetDataLayout("E-m:e-p:32:32-i64:64-n32:64");
}
};
template <typename Target>
class PS4OSTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
Builder.defineMacro("__FreeBSD__", "9");
Builder.defineMacro("__FreeBSD_cc_version", "900001");
Builder.defineMacro("__KPRINTF_ATTRIBUTE__");
DefineStd(Builder, "unix", Opts);
Builder.defineMacro("__ELF__");
Builder.defineMacro("__ORBIS__");
}
public:
PS4OSTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
: OSTargetInfo<Target>(Triple, Opts) {
this->WCharType = this->UnsignedShort;
// On PS4, TLS variable cannot be aligned to more than 32 bytes (256 bits).
this->MaxTLSAlign = 256;
// On PS4, do not honor explicit bit field alignment,
// as in "__attribute__((aligned(2))) int b : 1;".
this->UseExplicitBitFieldAlignment = false;
switch (Triple.getArch()) {
default:
case llvm::Triple::x86_64:
this->MCountName = ".mcount";
break;
}
}
};
// Solaris target
template<typename Target>
class SolarisTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
DefineStd(Builder, "sun", Opts);
DefineStd(Builder, "unix", Opts);
Builder.defineMacro("__ELF__");
Builder.defineMacro("__svr4__");
Builder.defineMacro("__SVR4");
// Solaris headers require _XOPEN_SOURCE to be set to 600 for C99 and
// newer, but to 500 for everything else. feature_test.h has a check to
// ensure that you are not using C99 with an old version of X/Open or C89
// with a new version.
if (Opts.C99)
Builder.defineMacro("_XOPEN_SOURCE", "600");
else
Builder.defineMacro("_XOPEN_SOURCE", "500");
if (Opts.CPlusPlus)
Builder.defineMacro("__C99FEATURES__");
Builder.defineMacro("_LARGEFILE_SOURCE");
Builder.defineMacro("_LARGEFILE64_SOURCE");
Builder.defineMacro("__EXTENSIONS__");
Builder.defineMacro("_REENTRANT");
}
public:
SolarisTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
: OSTargetInfo<Target>(Triple, Opts) {
this->WCharType = this->SignedInt;
// FIXME: WIntType should be SignedLong
}
};
// Windows target
template<typename Target>
class WindowsTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
Builder.defineMacro("_WIN32");
}
void getVisualStudioDefines(const LangOptions &Opts,
MacroBuilder &Builder) const {
if (Opts.CPlusPlus) {
if (Opts.RTTIData)
Builder.defineMacro("_CPPRTTI");
if (Opts.CXXExceptions)
Builder.defineMacro("_CPPUNWIND");
}
if (Opts.Bool)
Builder.defineMacro("__BOOL_DEFINED");
if (!Opts.CharIsSigned)
Builder.defineMacro("_CHAR_UNSIGNED");
// FIXME: POSIXThreads isn't exactly the option this should be defined for,
// but it works for now.
if (Opts.POSIXThreads)
Builder.defineMacro("_MT");
if (Opts.MSCompatibilityVersion) {
Builder.defineMacro("_MSC_VER",
Twine(Opts.MSCompatibilityVersion / 100000));
Builder.defineMacro("_MSC_FULL_VER", Twine(Opts.MSCompatibilityVersion));
// FIXME We cannot encode the revision information into 32-bits
Builder.defineMacro("_MSC_BUILD", Twine(1));
if (Opts.CPlusPlus11 && Opts.isCompatibleWithMSVC(LangOptions::MSVC2015))
Builder.defineMacro("_HAS_CHAR16_T_LANGUAGE_SUPPORT", Twine(1));
if (Opts.isCompatibleWithMSVC(LangOptions::MSVC2015)) {
if (Opts.CPlusPlus1z)
Builder.defineMacro("_MSVC_LANG", "201403L");
else if (Opts.CPlusPlus14)
Builder.defineMacro("_MSVC_LANG", "201402L");
}
}
if (Opts.MicrosoftExt) {
Builder.defineMacro("_MSC_EXTENSIONS");
if (Opts.CPlusPlus11) {
Builder.defineMacro("_RVALUE_REFERENCES_V2_SUPPORTED");
Builder.defineMacro("_RVALUE_REFERENCES_SUPPORTED");
Builder.defineMacro("_NATIVE_NULLPTR_SUPPORTED");
}
}
Builder.defineMacro("_INTEGRAL_MAX_BITS", "64");
}
public:
WindowsTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
: OSTargetInfo<Target>(Triple, Opts) {}
};
template <typename Target>
class NaClTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
if (Opts.POSIXThreads)
Builder.defineMacro("_REENTRANT");
if (Opts.CPlusPlus)
Builder.defineMacro("_GNU_SOURCE");
DefineStd(Builder, "unix", Opts);
Builder.defineMacro("__ELF__");
Builder.defineMacro("__native_client__");
}
public:
NaClTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
: OSTargetInfo<Target>(Triple, Opts) {
this->LongAlign = 32;
this->LongWidth = 32;
this->PointerAlign = 32;
this->PointerWidth = 32;
this->IntMaxType = TargetInfo::SignedLongLong;
this->Int64Type = TargetInfo::SignedLongLong;
this->DoubleAlign = 64;
this->LongDoubleWidth = 64;
this->LongDoubleAlign = 64;
this->LongLongWidth = 64;
this->LongLongAlign = 64;
this->SizeType = TargetInfo::UnsignedInt;
this->PtrDiffType = TargetInfo::SignedInt;
this->IntPtrType = TargetInfo::SignedInt;
// RegParmMax is inherited from the underlying architecture.
this->LongDoubleFormat = &llvm::APFloat::IEEEdouble();
if (Triple.getArch() == llvm::Triple::arm) {
// Handled in ARM's setABI().
} else if (Triple.getArch() == llvm::Triple::x86) {
this->resetDataLayout("e-m:e-p:32:32-i64:64-n8:16:32-S128");
} else if (Triple.getArch() == llvm::Triple::x86_64) {
this->resetDataLayout("e-m:e-p:32:32-i64:64-n8:16:32:64-S128");
} else if (Triple.getArch() == llvm::Triple::mipsel) {
// Handled on mips' setDataLayout.
} else {
assert(Triple.getArch() == llvm::Triple::le32);
this->resetDataLayout("e-p:32:32-i64:64");
}
}
};
// Fuchsia Target
template<typename Target>
class FuchsiaTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
Builder.defineMacro("__Fuchsia__");
Builder.defineMacro("__ELF__");
if (Opts.POSIXThreads)
Builder.defineMacro("_REENTRANT");
// Required by the libc++ locale support.
if (Opts.CPlusPlus)
Builder.defineMacro("_GNU_SOURCE");
}
public:
FuchsiaTargetInfo(const llvm::Triple &Triple,
const TargetOptions &Opts)
: OSTargetInfo<Target>(Triple, Opts) {
this->MCountName = "__mcount";
}
};
// WebAssembly target
template <typename Target>
class WebAssemblyOSTargetInfo : public OSTargetInfo<Target> {
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const final {
// A common platform macro.
if (Opts.POSIXThreads)
Builder.defineMacro("_REENTRANT");
// Follow g++ convention and predefine _GNU_SOURCE for C++.
if (Opts.CPlusPlus)
Builder.defineMacro("_GNU_SOURCE");
}
// As an optimization, group static init code together in a section.
const char *getStaticInitSectionSpecifier() const final {
return ".text.__startup";
}
public:
explicit WebAssemblyOSTargetInfo(const llvm::Triple &Triple,
const TargetOptions &Opts)
: OSTargetInfo<Target>(Triple, Opts) {
this->MCountName = "__mcount";
this->TheCXXABI.set(TargetCXXABI::WebAssembly);
}
};
//===----------------------------------------------------------------------===//
// Specific target implementations.
//===----------------------------------------------------------------------===//
// PPC abstract base class
class PPCTargetInfo : public TargetInfo {
static const Builtin::Info BuiltinInfo[];
static const char * const GCCRegNames[];
static const TargetInfo::GCCRegAlias GCCRegAliases[];
std::string CPU;
// Target cpu features.
bool HasVSX;
bool HasP8Vector;
bool HasP8Crypto;
bool HasDirectMove;
bool HasQPX;
bool HasHTM;
bool HasBPERMD;
bool HasExtDiv;
bool HasP9Vector;
protected:
std::string ABI;
public:
PPCTargetInfo(const llvm::Triple &Triple, const TargetOptions &)
: TargetInfo(Triple), HasVSX(false), HasP8Vector(false),
HasP8Crypto(false), HasDirectMove(false), HasQPX(false), HasHTM(false),
HasBPERMD(false), HasExtDiv(false), HasP9Vector(false) {
SimdDefaultAlign = 128;
LongDoubleWidth = LongDoubleAlign = 128;
LongDoubleFormat = &llvm::APFloat::PPCDoubleDouble();
}
/// \brief Flags for architecture specific defines.
typedef enum {
ArchDefineNone = 0,
ArchDefineName = 1 << 0, // <name> is substituted for arch name.
ArchDefinePpcgr = 1 << 1,
ArchDefinePpcsq = 1 << 2,
ArchDefine440 = 1 << 3,
ArchDefine603 = 1 << 4,
ArchDefine604 = 1 << 5,
ArchDefinePwr4 = 1 << 6,
ArchDefinePwr5 = 1 << 7,
ArchDefinePwr5x = 1 << 8,
ArchDefinePwr6 = 1 << 9,
ArchDefinePwr6x = 1 << 10,
ArchDefinePwr7 = 1 << 11,
ArchDefinePwr8 = 1 << 12,
ArchDefinePwr9 = 1 << 13,
ArchDefineA2 = 1 << 14,
ArchDefineA2q = 1 << 15
} ArchDefineTypes;
// Note: GCC recognizes the following additional cpus:
// 401, 403, 405, 405fp, 440fp, 464, 464fp, 476, 476fp, 505, 740, 801,
// 821, 823, 8540, 8548, e300c2, e300c3, e500mc64, e6500, 860, cell,
// titan, rs64.
bool setCPU(const std::string &Name) override {
bool CPUKnown = llvm::StringSwitch<bool>(Name)
.Case("generic", true)
.Case("440", true)
.Case("450", true)
.Case("601", true)
.Case("602", true)
.Case("603", true)
.Case("603e", true)
.Case("603ev", true)
.Case("604", true)
.Case("604e", true)
.Case("620", true)
.Case("630", true)
.Case("g3", true)
.Case("7400", true)
.Case("g4", true)
.Case("7450", true)
.Case("g4+", true)
.Case("750", true)
.Case("970", true)
.Case("g5", true)
.Case("a2", true)
.Case("a2q", true)
.Case("e500mc", true)
.Case("e5500", true)
.Case("power3", true)
.Case("pwr3", true)
.Case("power4", true)
.Case("pwr4", true)
.Case("power5", true)
.Case("pwr5", true)
.Case("power5x", true)
.Case("pwr5x", true)
.Case("power6", true)
.Case("pwr6", true)
.Case("power6x", true)
.Case("pwr6x", true)
.Case("power7", true)
.Case("pwr7", true)
.Case("power8", true)
.Case("pwr8", true)
.Case("power9", true)
.Case("pwr9", true)
.Case("powerpc", true)
.Case("ppc", true)
.Case("powerpc64", true)
.Case("ppc64", true)
.Case("powerpc64le", true)
.Case("ppc64le", true)
.Default(false);
if (CPUKnown)
CPU = Name;
return CPUKnown;
}
StringRef getABI() const override { return ABI; }
ArrayRef<Builtin::Info> getTargetBuiltins() const override {
return llvm::makeArrayRef(BuiltinInfo,
clang::PPC::LastTSBuiltin-Builtin::FirstTSBuiltin);
}
bool isCLZForZeroUndef() const override { return false; }
void getTargetDefines(const LangOptions &Opts,
MacroBuilder &Builder) const override;
bool
initFeatureMap(llvm::StringMap<bool> &Features, DiagnosticsEngine &Diags,
StringRef CPU,
const std::vector<std::string> &FeaturesVec) const override;
bool handleTargetFeatures(std::vector<std::string> &Features,
DiagnosticsEngine &Diags) override;
bool hasFeature(StringRef Feature) const override;
void setFeatureEnabled(llvm::StringMap<bool> &Features, StringRef Name,
bool Enabled) const override;
ArrayRef<const char *> getGCCRegNames() const override;
ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override;
bool validateAsmConstraint(const char *&Name,
TargetInfo::ConstraintInfo &Info) const override {
switch (*Name) {
default: return false;
case 'O': // Zero
break;
case 'b': // Base register
case 'f': // Floating point register
Info.setAllowsRegister();
break;
// FIXME: The following are added to allow parsing.
// I just took a guess at what the actions should be.
// Also, is more specific checking needed? I.e. specific registers?
case 'd': // Floating point register (containing 64-bit value)
case 'v': // Altivec vector register
Info.setAllowsRegister();
break;
case 'w':
switch (Name[1]) {
case 'd':// VSX vector register to hold vector double data
case 'f':// VSX vector register to hold vector float data
case 's':// VSX vector register to hold scalar float data
case 'a':// Any VSX register
case 'c':// An individual CR bit
break;
default:
return false;
}
Info.setAllowsRegister();
Name++; // Skip over 'w'.
break;
case 'h': // `MQ', `CTR', or `LINK' register
case 'q': // `MQ' register
case 'c': // `CTR' register
case 'l': // `LINK' register
case 'x': // `CR' register (condition register) number 0
case 'y': // `CR' register (condition register)
case 'z': // `XER[CA]' carry bit (part of the XER register)
Info.setAllowsRegister();
break;
case 'I': // Signed 16-bit constant
case 'J': // Unsigned 16-bit constant shifted left 16 bits
// (use `L' instead for SImode constants)
case 'K': // Unsigned 16-bit constant
case 'L': // Signed 16-bit constant shifted left 16 bits
case 'M': // Constant larger than 31
case 'N': // Exact power of 2
case 'P': // Constant whose negation is a signed 16-bit constant
case 'G': // Floating point constant that can be loaded into a
// register with one instruction per word
case 'H': // Integer/Floating point constant that can be loaded
// into a register using three instructions
break;
case 'm': // Memory operand. Note that on PowerPC targets, m can
// include addresses that update the base register. It
// is therefore only safe to use `m' in an asm statement
// if that asm statement accesses the operand exactly once.
// The asm statement must also use `%U<opno>' as a
// placeholder for the "update" flag in the corresponding
// load or store instruction. For example:
// asm ("st%U0 %1,%0" : "=m" (mem) : "r" (val));
// is correct but:
// asm ("st %1,%0" : "=m" (mem) : "r" (val));
// is not. Use es rather than m if you don't want the base
// register to be updated.
case 'e':
if (Name[1] != 's')
return false;
// es: A "stable" memory operand; that is, one which does not
// include any automodification of the base register. Unlike
// `m', this constraint can be used in asm statements that
// might access the operand several times, or that might not
// access it at all.
Info.setAllowsMemory();
Name++; // Skip over 'e'.
break;
case 'Q': // Memory operand that is an offset from a register (it is
// usually better to use `m' or `es' in asm statements)
case 'Z': // Memory operand that is an indexed or indirect from a
// register (it is usually better to use `m' or `es' in
// asm statements)
Info.setAllowsMemory();
Info.setAllowsRegister();
break;
case 'R': // AIX TOC entry
case 'a': // Address operand that is an indexed or indirect from a
// register (`p' is preferable for asm statements)
case 'S': // Constant suitable as a 64-bit mask operand
case 'T': // Constant suitable as a 32-bit mask operand
case 'U': // System V Release 4 small data area reference
case 't': // AND masks that can be performed by two rldic{l, r}
// instructions
case 'W': // Vector constant that does not require memory
case 'j': // Vector constant that is all zeros.
break;
// End FIXME.
}
return true;
}
std::string convertConstraint(const char *&Constraint) const override {
std::string R;
switch (*Constraint) {
case 'e':
case 'w':
// Two-character constraint; add "^" hint for later parsing.
R = std::string("^") + std::string(Constraint, 2);
Constraint++;
break;
default:
return TargetInfo::convertConstraint(Constraint);
}
return R;
}
const char *getClobbers() const override {
return "";
}
int getEHDataRegisterNumber(unsigned RegNo) const override {
if (RegNo == 0) return 3;
if (RegNo == 1) return 4;
return -1;
}
bool hasSjLjLowering() const override {
return true;
}
bool useFloat128ManglingForLongDouble() const override {
return LongDoubleWidth == 128 &&
LongDoubleFormat == &llvm::APFloat::PPCDoubleDouble() &&
getTriple().isOSBinFormatELF();
}
};
const Builtin::Info PPCTargetInfo::BuiltinInfo[] = {
#define BUILTIN(ID, TYPE, ATTRS) \
{ #ID, TYPE, ATTRS, nullptr, ALL_LANGUAGES, nullptr },
#define LIBBUILTIN(ID, TYPE, ATTRS, HEADER) \
{ #ID, TYPE, ATTRS, HEADER, ALL_LANGUAGES, nullptr },
#include "clang/Basic/BuiltinsPPC.def"
};
/// handleTargetFeatures - Perform initialization based on the user
/// configured set of features.
bool PPCTargetInfo::handleTargetFeatures(std::vector<std::string> &Features,
DiagnosticsEngine &Diags) {
for (const auto &Feature : Features) {
if (Feature == "+vsx") {
HasVSX = true;
} else if (Feature == "+bpermd") {
HasBPERMD = true;
} else if (Feature == "+extdiv") {
HasExtDiv = true;
} else if (Feature == "+power8-vector") {
HasP8Vector = true;
} else if (Feature == "+crypto") {
HasP8Crypto = true;
} else if (Feature == "+direct-move") {
HasDirectMove = true;
} else if (Feature == "+qpx") {
HasQPX = true;
} else if (Feature == "+htm") {
HasHTM = true;
} else if (Feature == "+float128") {
HasFloat128 = true;
} else if (Feature == "+power9-vector") {
HasP9Vector = true;
}
// TODO: Finish this list and add an assert that we've handled them
// all.
}
return true;
}
/// PPCTargetInfo::getTargetDefines - Return a set of the PowerPC-specific
/// #defines that are not tied to a specific subtarget.
void PPCTargetInfo::getTargetDefines(const LangOptions &Opts,
MacroBuilder &Builder) const {
// Target identification.
Builder.defineMacro("__ppc__");
Builder.defineMacro("__PPC__");
Builder.defineMacro("_ARCH_PPC");
Builder.defineMacro("__powerpc__");
Builder.defineMacro("__POWERPC__");
if (PointerWidth == 64) {
Builder.defineMacro("_ARCH_PPC64");
Builder.defineMacro("__powerpc64__");
Builder.defineMacro("__ppc64__");
Builder.defineMacro("__PPC64__");
}
// Target properties.
if (getTriple().getArch() == llvm::Triple::ppc64le) {
Builder.defineMacro("_LITTLE_ENDIAN");
} else {
if (getTriple().getOS() != llvm::Triple::NetBSD &&
getTriple().getOS() != llvm::Triple::OpenBSD)
Builder.defineMacro("_BIG_ENDIAN");
}
// ABI options.
if (ABI == "elfv1" || ABI == "elfv1-qpx")
Builder.defineMacro("_CALL_ELF", "1");
if (ABI == "elfv2")
Builder.defineMacro("_CALL_ELF", "2");
// Subtarget options.
Builder.defineMacro("__NATURAL_ALIGNMENT__");
Builder.defineMacro("__REGISTER_PREFIX__", "");
// FIXME: Should be controlled by command line option.
if (LongDoubleWidth == 128)
Builder.defineMacro("__LONG_DOUBLE_128__");
if (Opts.AltiVec) {
Builder.defineMacro("__VEC__", "10206");
Builder.defineMacro("__ALTIVEC__");
}
// CPU identification.
ArchDefineTypes defs = (ArchDefineTypes)llvm::StringSwitch<int>(CPU)
.Case("440", ArchDefineName)
.Case("450", ArchDefineName | ArchDefine440)
.Case("601", ArchDefineName)
.Case("602", ArchDefineName | ArchDefinePpcgr)
.Case("603", ArchDefineName | ArchDefinePpcgr)
.Case("603e", ArchDefineName | ArchDefine603 | ArchDefinePpcgr)
.Case("603ev", ArchDefineName | ArchDefine603 | ArchDefinePpcgr)
.Case("604", ArchDefineName | ArchDefinePpcgr)
.Case("604e", ArchDefineName | ArchDefine604 | ArchDefinePpcgr)
.Case("620", ArchDefineName | ArchDefinePpcgr)
.Case("630", ArchDefineName | ArchDefinePpcgr)
.Case("7400", ArchDefineName | ArchDefinePpcgr)
.Case("7450", ArchDefineName | ArchDefinePpcgr)
.Case("750", ArchDefineName | ArchDefinePpcgr)
.Case("970", ArchDefineName | ArchDefinePwr4 | ArchDefinePpcgr
| ArchDefinePpcsq)
.Case("a2", ArchDefineA2)
.Case("a2q", ArchDefineName | ArchDefineA2 | ArchDefineA2q)
.Case("pwr3", ArchDefinePpcgr)
.Case("pwr4", ArchDefineName | ArchDefinePpcgr | ArchDefinePpcsq)
.Case("pwr5", ArchDefineName | ArchDefinePwr4 | ArchDefinePpcgr
| ArchDefinePpcsq)
.Case("pwr5x", ArchDefineName | ArchDefinePwr5 | ArchDefinePwr4
| ArchDefinePpcgr | ArchDefinePpcsq)
.Case("pwr6", ArchDefineName | ArchDefinePwr5x | ArchDefinePwr5
| ArchDefinePwr4 | ArchDefinePpcgr | ArchDefinePpcsq)
.Case("pwr6x", ArchDefineName | ArchDefinePwr6 | ArchDefinePwr5x
| ArchDefinePwr5 | ArchDefinePwr4 | ArchDefinePpcgr
| ArchDefinePpcsq)
.Case("pwr7", ArchDefineName | ArchDefinePwr6x | ArchDefinePwr6
| ArchDefinePwr5x | ArchDefinePwr5 | ArchDefinePwr4
| ArchDefinePpcgr | ArchDefinePpcsq)
.Case("pwr8", ArchDefineName | ArchDefinePwr7 | ArchDefinePwr6x
| ArchDefinePwr6 | ArchDefinePwr5x | ArchDefinePwr5
| ArchDefinePwr4 | ArchDefinePpcgr | ArchDefinePpcsq)
.Case("pwr9", ArchDefineName | ArchDefinePwr8 | ArchDefinePwr7
| ArchDefinePwr6x | ArchDefinePwr6 | ArchDefinePwr5x
| ArchDefinePwr5 | ArchDefinePwr4 | ArchDefinePpcgr
| ArchDefinePpcsq)
.Case("power3", ArchDefinePpcgr)
.Case("power4", ArchDefinePwr4 | ArchDefinePpcgr | ArchDefinePpcsq)
.Case("power5", ArchDefinePwr5 | ArchDefinePwr4 | ArchDefinePpcgr
| ArchDefinePpcsq)
.Case("power5x", ArchDefinePwr5x | ArchDefinePwr5 | ArchDefinePwr4
| ArchDefinePpcgr | ArchDefinePpcsq)
.Case("power6", ArchDefinePwr6 | ArchDefinePwr5x | ArchDefinePwr5
| ArchDefinePwr4 | ArchDefinePpcgr | ArchDefinePpcsq)
.Case("power6x", ArchDefinePwr6x | ArchDefinePwr6 | ArchDefinePwr5x
| ArchDefinePwr5 | ArchDefinePwr4 | ArchDefinePpcgr
| ArchDefinePpcsq)
.Case("power7", ArchDefinePwr7 | ArchDefinePwr6x | ArchDefinePwr6
| ArchDefinePwr5x | ArchDefinePwr5 | ArchDefinePwr4
| ArchDefinePpcgr | ArchDefinePpcsq)
.Case("power8", ArchDefinePwr8 | ArchDefinePwr7 | ArchDefinePwr6x
| ArchDefinePwr6 | ArchDefinePwr5x | ArchDefinePwr5
| ArchDefinePwr4 | ArchDefinePpcgr | ArchDefinePpcsq)
.Case("power9", ArchDefinePwr9 | ArchDefinePwr8 | ArchDefinePwr7
| ArchDefinePwr6x | ArchDefinePwr6 | ArchDefinePwr5x
| ArchDefinePwr5 | ArchDefinePwr4 | ArchDefinePpcgr
| ArchDefinePpcsq)
.Default(ArchDefineNone);
if (defs & ArchDefineName)
Builder.defineMacro(Twine("_ARCH_", StringRef(CPU).upper()));
if (defs & ArchDefinePpcgr)
Builder.defineMacro("_ARCH_PPCGR");
if (defs & ArchDefinePpcsq)
Builder.defineMacro("_ARCH_PPCSQ");
if (defs & ArchDefine440)
Builder.defineMacro("_ARCH_440");
if (defs & ArchDefine603)
Builder.defineMacro("_ARCH_603");
if (defs & ArchDefine604)
Builder.defineMacro("_ARCH_604");
if (defs & ArchDefinePwr4)
Builder.defineMacro("_ARCH_PWR4");
if (defs & ArchDefinePwr5)
Builder.defineMacro("_ARCH_PWR5");
if (defs & ArchDefinePwr5x)
Builder.defineMacro("_ARCH_PWR5X");
if (defs & ArchDefinePwr6)
Builder.defineMacro("_ARCH_PWR6");
if (defs & ArchDefinePwr6x)
Builder.defineMacro("_ARCH_PWR6X");
if (defs & ArchDefinePwr7)
Builder.defineMacro("_ARCH_PWR7");
if (defs & ArchDefinePwr8)
Builder.defineMacro("_ARCH_PWR8");
if (defs & ArchDefinePwr9)
Builder.defineMacro("_ARCH_PWR9");
if (defs & ArchDefineA2)
Builder.defineMacro("_ARCH_A2");
if (defs & ArchDefineA2q) {
Builder.defineMacro("_ARCH_A2Q");
Builder.defineMacro("_ARCH_QP");
}
if (getTriple().getVendor() == llvm::Triple::BGQ) {
Builder.defineMacro("__bg__");
Builder.defineMacro("__THW_BLUEGENE__");
Builder.defineMacro("__bgq__");
Builder.defineMacro("__TOS_BGQ__");
}
if (HasVSX)
Builder.defineMacro("__VSX__");
if (HasP8Vector)
Builder.defineMacro("__POWER8_VECTOR__");
if (HasP8Crypto)
Builder.defineMacro("__CRYPTO__");
if (HasHTM)
Builder.defineMacro("__HTM__");
if (HasFloat128)
Builder.defineMacro("__FLOAT128__");
if (HasP9Vector)
Builder.defineMacro("__POWER9_VECTOR__");
Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1");
Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2");
Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4");
if (PointerWidth == 64)
Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8");
// FIXME: The following are not yet generated here by Clang, but are
// generated by GCC:
//
// _SOFT_FLOAT_
// __RECIP_PRECISION__
// __APPLE_ALTIVEC__
// __RECIP__
// __RECIPF__
// __RSQRTE__
// __RSQRTEF__
// _SOFT_DOUBLE_
// __NO_LWSYNC__
// __HAVE_BSWAP__
// __LONGDOUBLE128
// __CMODEL_MEDIUM__
// __CMODEL_LARGE__
// _CALL_SYSV
// _CALL_DARWIN
// __NO_FPRS__
}
// Handle explicit options being passed to the compiler here: if we've
// explicitly turned off vsx and turned on any of:
// - power8-vector
// - direct-move
// - float128
// - power9-vector
// then go ahead and error since the customer has expressed an incompatible
// set of options.
static bool ppcUserFeaturesCheck(DiagnosticsEngine &Diags,
const std::vector<std::string> &FeaturesVec) {
if (std::find(FeaturesVec.begin(), FeaturesVec.end(), "-vsx") !=
FeaturesVec.end()) {
if (std::find(FeaturesVec.begin(), FeaturesVec.end(), "+power8-vector") !=
FeaturesVec.end()) {
Diags.Report(diag::err_opt_not_valid_with_opt) << "-mpower8-vector"
<< "-mno-vsx";
return false;
}
if (std::find(FeaturesVec.begin(), FeaturesVec.end(), "+direct-move") !=
FeaturesVec.end()) {
Diags.Report(diag::err_opt_not_valid_with_opt) << "-mdirect-move"
<< "-mno-vsx";
return false;
}
if (std::find(FeaturesVec.begin(), FeaturesVec.end(), "+float128") !=
FeaturesVec.end()) {
Diags.Report(diag::err_opt_not_valid_with_opt) << "-mfloat128"
<< "-mno-vsx";
return false;
}
if (std::find(FeaturesVec.begin(), FeaturesVec.end(), "+power9-vector") !=
FeaturesVec.end()) {
Diags.Report(diag::err_opt_not_valid_with_opt) << "-mpower9-vector"
<< "-mno-vsx";
return false;
}
}
return true;
}
bool PPCTargetInfo::initFeatureMap(
llvm::StringMap<bool> &Features, DiagnosticsEngine &Diags, StringRef CPU,
const std::vector<std::string> &FeaturesVec) const {
Features["altivec"] = llvm::StringSwitch<bool>(CPU)
.Case("7400", true)
.Case("g4", true)
.Case("7450", true)
.Case("g4+", true)
.Case("970", true)
.Case("g5", true)
.Case("pwr6", true)
.Case("pwr7", true)
.Case("pwr8", true)
.Case("pwr9", true)
.Case("ppc64", true)
.Case("ppc64le", true)
.Default(false);
Features["qpx"] = (CPU == "a2q");
Features["power9-vector"] = (CPU == "pwr9");
Features["crypto"] = llvm::StringSwitch<bool>(CPU)
.Case("ppc64le", true)
.Case("pwr9", true)
.Case("pwr8", true)
.Default(false);
Features["power8-vector"] = llvm::StringSwitch<bool>(CPU)
.Case("ppc64le", true)
.Case("pwr9", true)
.Case("pwr8", true)
.Default(false);
Features["bpermd"] = llvm::StringSwitch<bool>(CPU)
.Case("ppc64le", true)
.Case("pwr9", true)
.Case("pwr8", true)
.Case("pwr7", true)
.Default(false);
Features["extdiv"] = llvm::StringSwitch<bool>(CPU)
.Case("ppc64le", true)
.Case("pwr9", true)
.Case("pwr8", true)
.Case("pwr7", true)
.Default(false);
Features["direct-move"] = llvm::StringSwitch<bool>(CPU)
.Case("ppc64le", true)
.Case("pwr9", true)
.Case("pwr8", true)
.Default(false);
Features["vsx"] = llvm::StringSwitch<bool>(CPU)
.Case("ppc64le", true)
.Case("pwr9", true)
.Case("pwr8", true)
.Case("pwr7", true)
.Default(false);
if (!ppcUserFeaturesCheck(Diags, FeaturesVec))
return false;
return TargetInfo::initFeatureMap(Features, Diags, CPU, FeaturesVec);
}
bool PPCTargetInfo::hasFeature(StringRef Feature) const {
return llvm::StringSwitch<bool>(Feature)
.Case("powerpc", true)
.Case("vsx", HasVSX)
.Case("power8-vector", HasP8Vector)
.Case("crypto", HasP8Crypto)
.Case("direct-move", HasDirectMove)
.Case("qpx", HasQPX)
.Case("htm", HasHTM)
.Case("bpermd", HasBPERMD)
.Case("extdiv", HasExtDiv)
.Case("float128", HasFloat128)
.Case("power9-vector", HasP9Vector)
.Default(false);
}
void PPCTargetInfo::setFeatureEnabled(llvm::StringMap<bool> &Features,
StringRef Name, bool Enabled) const {
// If we're enabling direct-move or power8-vector go ahead and enable vsx
// as well. Do the inverse if we're disabling vsx. We'll diagnose any user
// incompatible options.
if (Enabled) {
if (Name == "direct-move" ||
Name == "power8-vector" ||
Name == "float128" ||
Name == "power9-vector") {
// power9-vector is really a superset of power8-vector so encode that.
Features[Name] = Features["vsx"] = true;
if (Name == "power9-vector")
Features["power8-vector"] = true;
} else {
Features[Name] = true;
}
} else {
if (Name == "vsx") {
Features[Name] = Features["direct-move"] = Features["power8-vector"] =
Features["float128"] = Features["power9-vector"] = false;
} else {
Features[Name] = false;
}
}
}
const char * const PPCTargetInfo::GCCRegNames[] = {
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
"f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
"f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
"f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31",
"mq", "lr", "ctr", "ap",
"cr0", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7",
"xer",
"v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7",
"v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15",
"v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23",
"v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31",
"vrsave", "vscr",
"spe_acc", "spefscr",
"sfp"
};
ArrayRef<const char*> PPCTargetInfo::getGCCRegNames() const {
return llvm::makeArrayRef(GCCRegNames);
}
const TargetInfo::GCCRegAlias PPCTargetInfo::GCCRegAliases[] = {
// While some of these aliases do map to different registers
// they still share the same register name.
{ { "0" }, "r0" },
{ { "1"}, "r1" },
{ { "2" }, "r2" },
{ { "3" }, "r3" },
{ { "4" }, "r4" },
{ { "5" }, "r5" },
{ { "6" }, "r6" },
{ { "7" }, "r7" },
{ { "8" }, "r8" },
{ { "9" }, "r9" },
{ { "10" }, "r10" },
{ { "11" }, "r11" },
{ { "12" }, "r12" },
{ { "13" }, "r13" },
{ { "14" }, "r14" },
{ { "15" }, "r15" },
{ { "16" }, "r16" },
{ { "17" }, "r17" },
{ { "18" }, "r18" },
{ { "19" }, "r19" },
{ { "20" }, "r20" },
{ { "21" }, "r21" },
{ { "22" }, "r22" },
{ { "23" }, "r23" },
{ { "24" }, "r24" },
{ { "25" }, "r25" },
{ { "26" }, "r26" },
{ { "27" }, "r27" },
{ { "28" }, "r28" },
{ { "29" }, "r29" },
{ { "30" }, "r30" },
{ { "31" }, "r31" },
{ { "fr0" }, "f0" },
{ { "fr1" }, "f1" },
{ { "fr2" }, "f2" },
{ { "fr3" }, "f3" },
{ { "fr4" }, "f4" },
{ { "fr5" }, "f5" },
{ { "fr6" }, "f6" },
{ { "fr7" }, "f7" },
{ { "fr8" }, "f8" },
{ { "fr9" }, "f9" },
{ { "fr10" }, "f10" },
{ { "fr11" }, "f11" },
{ { "fr12" }, "f12" },
{ { "fr13" }, "f13" },
{ { "fr14" }, "f14" },
{ { "fr15" }, "f15" },
{ { "fr16" }, "f16" },
{ { "fr17" }, "f17" },
{ { "fr18" }, "f18" },
{ { "fr19" }, "f19" },
{ { "fr20" }, "f20" },
{ { "fr21" }, "f21" },
{ { "fr22" }, "f22" },
{ { "fr23" }, "f23" },
{ { "fr24" }, "f24" },
{ { "fr25" }, "f25" },
{ { "fr26" }, "f26" },
{ { "fr27" }, "f27" },
{ { "fr28" }, "f28" },
{ { "fr29" }, "f29" },
{ { "fr30" }, "f30" },
{ { "fr31" }, "f31" },
{ { "cc" }, "cr0" },
};
ArrayRef<TargetInfo::GCCRegAlias> PPCTargetInfo::getGCCRegAliases() const {
return llvm::makeArrayRef(GCCRegAliases);
}
class PPC32TargetInfo : public PPCTargetInfo {
public:
PPC32TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
: PPCTargetInfo(Triple, Opts) {
resetDataLayout("E-m:e-p:32:32-i64:64-n32");
switch (getTriple().getOS()) {
case llvm::Triple::Linux:
case llvm::Triple::FreeBSD:
case llvm::Triple::NetBSD:
SizeType = UnsignedInt;
PtrDiffType = SignedInt;
IntPtrType = SignedInt;
break;
default:
break;
}
if (getTriple().getOS() == llvm::Triple::FreeBSD) {
LongDoubleWidth = LongDoubleAlign = 64;
LongDoubleFormat = &llvm::APFloat::IEEEdouble();
}
// PPC32 supports atomics up to 4 bytes.
MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 32;
}
BuiltinVaListKind getBuiltinVaListKind() const override {
// This is the ELF definition, and is overridden by the Darwin sub-target
return TargetInfo::PowerABIBuiltinVaList;
}
};
// Note: ABI differences may eventually require us to have a separate
// TargetInfo for little endian.
class PPC64TargetInfo : public PPCTargetInfo {
public:
PPC64TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
: PPCTargetInfo(Triple, Opts) {
LongWidth = LongAlign = PointerWidth = PointerAlign = 64;
IntMaxType = SignedLong;
Int64Type = SignedLong;
if ((Triple.getArch() == llvm::Triple::ppc64le)) {
resetDataLayout("e-m:e-i64:64-n32:64");
ABI = "elfv2";
} else {
resetDataLayout("E-m:e-i64:64-n32:64");
ABI = "elfv1";
}
switch (getTriple().getOS()) {
case llvm::Triple::FreeBSD:
LongDoubleWidth = LongDoubleAlign = 64;
LongDoubleFormat = &llvm::APFloat::IEEEdouble();
break;
case llvm::Triple::NetBSD:
IntMaxType = SignedLongLong;
Int64Type = SignedLongLong;
break;
default:
break;
}
// PPC64 supports atomics up to 8 bytes.
MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 64;
}
BuiltinVaListKind getBuiltinVaListKind() const override {
return TargetInfo::CharPtrBuiltinVaList;
}
// PPC64 Linux-specific ABI options.
bool setABI(const std::string &Name) override {
if (Name == "elfv1" || Name == "elfv1-qpx" || Name == "elfv2") {
ABI = Name;
return true;
}
return false;
}
};
class DarwinPPC32TargetInfo : public DarwinTargetInfo<PPC32TargetInfo> {
public:
DarwinPPC32TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
: DarwinTargetInfo<PPC32TargetInfo>(Triple, Opts) {
HasAlignMac68kSupport = true;
BoolWidth = BoolAlign = 32; //XXX support -mone-byte-bool?
PtrDiffType = SignedInt; // for http://llvm.org/bugs/show_bug.cgi?id=15726
LongLongAlign = 32;
SuitableAlign = 128;
resetDataLayout("E-m:o-p:32:32-f64:32:64-n32");
}
BuiltinVaListKind getBuiltinVaListKind() const override {
return TargetInfo::CharPtrBuiltinVaList;
}
};
class DarwinPPC64TargetInfo : public DarwinTargetInfo<PPC64TargetInfo> {
public:
DarwinPPC64TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
: DarwinTargetInfo<PPC64TargetInfo>(Triple, Opts) {
HasAlignMac68kSupport = true;
SuitableAlign = 128;
resetDataLayout("E-m:o-i64:64-n32:64");
}
};
static const unsigned NVPTXAddrSpaceMap[] = {
1, // opencl_global
3, // opencl_local
4, // opencl_constant
// FIXME: generic has to be added to the target
0, // opencl_generic
1, // cuda_device
4, // cuda_constant
3, // cuda_shared
};
class NVPTXTargetInfo : public TargetInfo {
static const char *const GCCRegNames[];
static const Builtin::Info BuiltinInfo[];
CudaArch GPU;
std::unique_ptr<TargetInfo> HostTarget;
public:
NVPTXTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts,
unsigned TargetPointerWidth)
: TargetInfo(Triple) {
assert((TargetPointerWidth == 32 || TargetPointerWidth == 64) &&
"NVPTX only supports 32- and 64-bit modes.");
TLSSupported = false;
AddrSpaceMap = &NVPTXAddrSpaceMap;
UseAddrSpaceMapMangling = true;
// Define available target features
// These must be defined in sorted order!
NoAsmVariants = true;
GPU = CudaArch::SM_20;
if (TargetPointerWidth == 32)
resetDataLayout("e-p:32:32-i64:64-v16:16-v32:32-n16:32:64");
else
resetDataLayout("e-i64:64-v16:16-v32:32-n16:32:64");
// If possible, get a TargetInfo for our host triple, so we can match its
// types.
llvm::Triple HostTriple(Opts.HostTriple);
if (!HostTriple.isNVPTX())
HostTarget.reset(AllocateTarget(llvm::Triple(Opts.HostTriple), Opts));
// If no host target, make some guesses about the data layout and return.
if (!HostTarget) {
LongWidth = LongAlign = TargetPointerWidth;
PointerWidth = PointerAlign = TargetPointerWidth;
switch (TargetPointerWidth) {
case 32:
SizeType = TargetInfo::UnsignedInt;
PtrDiffType = TargetInfo::SignedInt;
IntPtrType = TargetInfo::SignedInt;
break;
case 64:
SizeType = TargetInfo::UnsignedLong;
PtrDiffType = TargetInfo::SignedLong;
IntPtrType = TargetInfo::SignedLong;
break;
default:
llvm_unreachable("TargetPointerWidth must be 32 or 64");
}
return;
}
// Copy properties from host target.
PointerWidth = HostTarget->getPointerWidth(/* AddrSpace = */ 0);
PointerAlign = HostTarget->getPointerAlign(/* AddrSpace = */ 0);
BoolWidth = HostTarget->getBoolWidth();
BoolAlign = HostTarget->getBoolAlign();
IntWidth = HostTarget->getIntWidth();
IntAlign = HostTarget->getIntAlign();
HalfWidth = HostTarget->getHalfWidth();
HalfAlign = HostTarget->getHalfAlign();
FloatWidth = HostTarget->getFloatWidth();
FloatAlign = HostTarget->getFloatAlign();
DoubleWidth = HostTarget->getDoubleWidth();
DoubleAlign = HostTarget->getDoubleAlign();
LongWidth = HostTarget->getLongWidth();
LongAlign = HostTarget->getLongAlign();
LongLongWidth = HostTarget->getLongLongWidth();
LongLongAlign = HostTarget->getLongLongAlign();
MinGlobalAlign = HostTarget->getMinGlobalAlign();
NewAlign = HostTarget->getNewAlign();
DefaultAlignForAttributeAligned =
HostTarget->getDefaultAlignForAttributeAligned();
SizeType = HostTarget->getSizeType();
IntMaxType = HostTarget->getIntMaxType();
PtrDiffType = HostTarget->getPtrDiffType(/* AddrSpace = */ 0);
IntPtrType = HostTarget->getIntPtrType();
WCharType = HostTarget->getWCharType();
WIntType = HostTarget->getWIntType();
Char16Type = HostTarget->getChar16Type();
Char32Type = HostTarget->getChar32Type();
Int64Type = HostTarget->getInt64Type();
SigAtomicType = HostTarget->getSigAtomicType();
ProcessIDType = HostTarget->getProcessIDType();
UseBitFieldTypeAlignment = HostTarget->useBitFieldTypeAlignment();
UseZeroLengthBitfieldAlignment =
HostTarget->useZeroLengthBitfieldAlignment();
UseExplicitBitFieldAlignment = HostTarget->useExplicitBitFieldAlignment();
ZeroLengthBitfieldBoundary = HostTarget->getZeroLengthBitfieldBoundary();
// This is a bit of a lie, but it controls __GCC_ATOMIC_XXX_LOCK_FREE, and
// we need those macros to be identical on host and device, because (among
// other things) they affect which standard library classes are defined, and
// we need all classes to be defined on both the host and device.
MaxAtomicInlineWidth = HostTarget->getMaxAtomicInlineWidth();
// Properties intentionally not copied from host:
// - LargeArrayMinWidth, LargeArrayAlign: Not visible across the
// host/device boundary.
// - SuitableAlign: Not visible across the host/device boundary, and may
// correctly be different on host/device, e.g. if host has wider vector
// types than device.
// - LongDoubleWidth, LongDoubleAlign: nvptx's long double type is the same
// as its double type, but that's not necessarily true on the host.
// TODO: nvcc emits a warning when using long double on device; we should
// do the same.
}
void getTargetDefines(const LangOptions &Opts,
MacroBuilder &Builder) const override {
Builder.defineMacro("__PTX__");
Builder.defineMacro("__NVPTX__");
if (Opts.CUDAIsDevice) {
// Set __CUDA_ARCH__ for the GPU specified.
std::string CUDAArchCode = [this] {
switch (GPU) {
case CudaArch::UNKNOWN:
assert(false && "No GPU arch when compiling CUDA device code.");
return "";
case CudaArch::SM_20:
return "200";
case CudaArch::SM_21:
return "210";
case CudaArch::SM_30:
return "300";
case CudaArch::SM_32:
return "320";
case CudaArch::SM_35:
return "350";
case CudaArch::SM_37:
return "370";
case CudaArch::SM_50:
return "500";
case CudaArch::SM_52:
return "520";
case CudaArch::SM_53:
return "530";
case CudaArch::SM_60:
return "600";
case CudaArch::SM_61:
return "610";
case CudaArch::SM_62:
return "620";
}
llvm_unreachable("unhandled CudaArch");
}();
Builder.defineMacro("__CUDA_ARCH__", CUDAArchCode);
}
}
ArrayRef<Builtin::Info> getTargetBuiltins() const override {
return llvm::makeArrayRef(BuiltinInfo,
clang::NVPTX::LastTSBuiltin - Builtin::FirstTSBuiltin);
}
bool
initFeatureMap(llvm::StringMap<bool> &Features, DiagnosticsEngine &Diags,
StringRef CPU,
const std::vector<std::string> &FeaturesVec) const override {
Features["satom"] = GPU >= CudaArch::SM_60;
return TargetInfo::initFeatureMap(Features, Diags, CPU, FeaturesVec);
}
bool hasFeature(StringRef Feature) const override {
return llvm::StringSwitch<bool>(Feature)
.Cases("ptx", "nvptx", true)
.Case("satom", GPU >= CudaArch::SM_60) // Atomics w/ scope.
.Default(false);
}
ArrayRef<const char *> getGCCRegNames() const override;
ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
// No aliases.
return None;
}
bool validateAsmConstraint(const char *&Name,
TargetInfo::ConstraintInfo &Info) const override {
switch (*Name) {
default:
return false;
case 'c':
case 'h':
case 'r':
case 'l':
case 'f':
case 'd':
Info.setAllowsRegister();
return true;
}
}
const char *getClobbers() const override {
// FIXME: Is this really right?
return "";
}
BuiltinVaListKind getBuiltinVaListKind() const override {
// FIXME: implement
return TargetInfo::CharPtrBuiltinVaList;
}
bool setCPU(const std::string &Name) override {
GPU = StringToCudaArch(Name);
return GPU != CudaArch::UNKNOWN;
}
void setSupportedOpenCLOpts() override {
auto &Opts = getSupportedOpenCLOpts();
Opts.support("cl_clang_storage_class_specifiers");
Opts.support("cl_khr_gl_sharing");
Opts.support("cl_khr_icd");
Opts.support("cl_khr_fp64");
Opts.support("cl_khr_byte_addressable_store");
Opts.support("cl_khr_global_int32_base_atomics");
Opts.support("cl_khr_global_int32_extended_atomics");
Opts.support("cl_khr_local_int32_base_atomics");
Opts.support("cl_khr_local_int32_extended_atomics");
}
CallingConvCheckResult checkCallingConvention(CallingConv CC) const override {
// CUDA compilations support all of the host's calling conventions.
//
// TODO: We should warn if you apply a non-default CC to anything other than
// a host function.
if (HostTarget)
return HostTarget->checkCallingConvention(CC);
return CCCR_Warning;
}
};
const Builtin::Info NVPTXTargetInfo::BuiltinInfo[] = {
#define BUILTIN(ID, TYPE, ATTRS) \
{ #ID, TYPE, ATTRS, nullptr, ALL_LANGUAGES, nullptr },
#define LIBBUILTIN(ID, TYPE, ATTRS, HEADER) \
{ #ID, TYPE, ATTRS, HEADER, ALL_LANGUAGES, nullptr },
#define TARGET_BUILTIN(ID, TYPE, ATTRS, FEATURE) \
{ #ID, TYPE, ATTRS, nullptr, ALL_LANGUAGES, FEATURE },
#include "clang/Basic/BuiltinsNVPTX.def"
};
const char *const NVPTXTargetInfo::GCCRegNames[] = {"r0"};
ArrayRef<const char *> NVPTXTargetInfo::getGCCRegNames() const {
return llvm::makeArrayRef(GCCRegNames);
}
static const unsigned AMDGPUAddrSpaceMap[] = {
1, // opencl_global
3, // opencl_local
2, // opencl_constant
4, // opencl_generic
1, // cuda_device
2, // cuda_constant
3 // cuda_shared
};
// If you edit the description strings, make sure you update
// getPointerWidthV().
static const char *const DataLayoutStringR600 =
"e-p:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128"
"-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64";
static const char *const DataLayoutStringSI =
"e-p:32:32-p1:64:64-p2:64:64-p3:32:32-p4:64:64-p5:32:32"
"-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128"
"-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64";
class AMDGPUTargetInfo final : public TargetInfo {
static const Builtin::Info BuiltinInfo[];
static const char * const GCCRegNames[];
/// \brief The GPU profiles supported by the AMDGPU target.
enum GPUKind {
GK_NONE,
GK_R600,
GK_R600_DOUBLE_OPS,
GK_R700,
GK_R700_DOUBLE_OPS,
GK_EVERGREEN,
GK_EVERGREEN_DOUBLE_OPS,
GK_NORTHERN_ISLANDS,
GK_CAYMAN,
GK_GFX6,
GK_GFX7,
GK_GFX8
} GPU;
bool hasFP64:1;
bool hasFMAF:1;
bool hasLDEXPF:1;
bool hasFullSpeedFP32Denorms:1;
static bool isAMDGCN(const llvm::Triple &TT) {
return TT.getArch() == llvm::Triple::amdgcn;
}
public:
AMDGPUTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
: TargetInfo(Triple) ,
GPU(isAMDGCN(Triple) ? GK_GFX6 : GK_R600),
hasFP64(false),
hasFMAF(false),
hasLDEXPF(false),
hasFullSpeedFP32Denorms(false){
if (getTriple().getArch() == llvm::Triple::amdgcn) {
hasFP64 = true;
hasFMAF = true;
hasLDEXPF = true;
}
resetDataLayout(getTriple().getArch() == llvm::Triple::amdgcn ?
DataLayoutStringSI : DataLayoutStringR600);
AddrSpaceMap = &AMDGPUAddrSpaceMap;
UseAddrSpaceMapMangling = true;
}
uint64_t getPointerWidthV(unsigned AddrSpace) const override {
if (GPU <= GK_CAYMAN)
return 32;
switch(AddrSpace) {
default:
return 64;
case 0:
case 3:
case 5:
return 32;
}
}
uint64_t getMaxPointerWidth() const override {
return getTriple().getArch() == llvm::Triple::amdgcn ? 64 : 32;
}
const char * getClobbers() const override {
return "";
}
ArrayRef<const char *> getGCCRegNames() const override;
ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
return None;
}
bool validateAsmConstraint(const char *&Name,
TargetInfo::ConstraintInfo &Info) const override {
switch (*Name) {
default: break;
case 'v': // vgpr
case 's': // sgpr
Info.setAllowsRegister();
return true;
}
return false;
}
bool initFeatureMap(llvm::StringMap<bool> &Features,
DiagnosticsEngine &Diags, StringRef CPU,
const std::vector<std::string> &FeatureVec) const override;
void adjustTargetOptions(const CodeGenOptions &CGOpts,
TargetOptions &TargetOpts) const override {
bool hasFP32Denormals = false;
bool hasFP64Denormals = false;
for (auto &I : TargetOpts.FeaturesAsWritten) {
if (I == "+fp32-denormals" || I == "-fp32-denormals")
hasFP32Denormals = true;
if (I == "+fp64-denormals" || I == "-fp64-denormals")
hasFP64Denormals = true;
}
if (!hasFP32Denormals)
TargetOpts.Features.push_back((Twine(hasFullSpeedFP32Denorms &&
!CGOpts.FlushDenorm ? '+' : '-') + Twine("fp32-denormals")).str());
// Always do not flush fp64 denorms.
if (!hasFP64Denormals && hasFP64)
TargetOpts.Features.push_back("+fp64-denormals");
}
ArrayRef<Builtin::Info> getTargetBuiltins() const override {
return llvm::makeArrayRef(BuiltinInfo,
clang::AMDGPU::LastTSBuiltin - Builtin::FirstTSBuiltin);
}
void getTargetDefines(const LangOptions &Opts,
MacroBuilder &Builder) const override {
if (getTriple().getArch() == llvm::Triple::amdgcn)
Builder.defineMacro("__AMDGCN__");
else
Builder.defineMacro("__R600__");
if (hasFMAF)
Builder.defineMacro("__HAS_FMAF__");
if (hasLDEXPF)
Builder.defineMacro("__HAS_LDEXPF__");
if (hasFP64)
Builder.defineMacro("__HAS_FP64__");
}
BuiltinVaListKind getBuiltinVaListKind() const override {
return TargetInfo::CharPtrBuiltinVaList;
}
static GPUKind parseR600Name(StringRef Name) {
return llvm::StringSwitch<GPUKind>(Name)
.Case("r600" , GK_R600)
.Case("rv610", GK_R600)
.Case("rv620", GK_R600)
.Case("rv630", GK_R600)
.Case("rv635", GK_R600)
.Case("rs780", GK_R600)
.Case("rs880", GK_R600)
.Case("rv670", GK_R600_DOUBLE_OPS)
.Case("rv710", GK_R700)
.Case("rv730", GK_R700)
.Case("rv740", GK_R700_DOUBLE_OPS)
.Case("rv770", GK_R700_DOUBLE_OPS)
.Case("palm", GK_EVERGREEN)
.Case("cedar", GK_EVERGREEN)
.Case("sumo", GK_EVERGREEN)
.Case("sumo2", GK_EVERGREEN)
.Case("redwood", GK_EVERGREEN)
.Case("juniper", GK_EVERGREEN)
.Case("hemlock", GK_EVERGREEN_DOUBLE_OPS)
.Case("cypress", GK_EVERGREEN_DOUBLE_OPS)
.Case("barts", GK_NORTHERN_ISLANDS)
.Case("turks", GK_NORTHERN_ISLANDS)
.Case("caicos", GK_NORTHERN_ISLANDS)
.Case("cayman", GK_CAYMAN)
.Case("aruba", GK_CAYMAN)
.Default(GK_NONE);
}
static GPUKind parseAMDGCNName(StringRef Name) {
return llvm::StringSwitch<GPUKind>(Name)
.Case("tahiti", GK_GFX6)
.Case("pitcairn", GK_GFX6)
.Case("verde", GK_GFX6)
.Case("oland", GK_GFX6)
.Case("hainan", GK_GFX6)
.Case("bonaire", GK_GFX7)
.Case("kabini", GK_GFX7)
.Case("kaveri", GK_GFX7)
.Case("hawaii", GK_GFX7)
.Case("mullins", GK_GFX7)
.Case("gfx700", GK_GFX7)
.Case("gfx701", GK_GFX7)
.Case("gfx702", GK_GFX7)
.Case("tonga", GK_GFX8)
.Case("iceland", GK_GFX8)
.Case("carrizo", GK_GFX8)
.Case("fiji", GK_GFX8)
.Case("stoney", GK_GFX8)
.Case("polaris10", GK_GFX8)
.Case("polaris11", GK_GFX8)
.Case("gfx800", GK_GFX8)
.Case("gfx801", GK_GFX8)
.Case("gfx802", GK_GFX8)
.Case("gfx803", GK_GFX8)
.Case("gfx804", GK_GFX8)
.Case("gfx810", GK_GFX8)
.Default(GK_NONE);
}
bool setCPU(const std::string &Name) override {
if (getTriple().getArch() == llvm::Triple::amdgcn)
GPU = parseAMDGCNName(Name);
else
GPU = parseR600Name(Name);
return GPU != GK_NONE;
}
void setSupportedOpenCLOpts() override {
auto &Opts = getSupportedOpenCLOpts();
Opts.support("cl_clang_storage_class_specifiers");
Opts.support("cl_khr_icd");
if (hasFP64)
Opts.support("cl_khr_fp64");
if (GPU >= GK_EVERGREEN) {
Opts.support("cl_khr_byte_addressable_store");
Opts.support("cl_khr_global_int32_base_atomics");
Opts.support("cl_khr_global_int32_extended_atomics");
Opts.support("cl_khr_local_int32_base_atomics");
Opts.support("cl_khr_local_int32_extended_atomics");
}
if (GPU >= GK_GFX6) {
Opts.support("cl_khr_fp16");
Opts.support("cl_khr_int64_base_atomics");
Opts.support("cl_khr_int64_extended_atomics");
Opts.support("cl_khr_mipmap_image");
Opts.support("cl_khr_subgroups");
Opts.support("cl_khr_3d_image_writes");
Opts.support("cl_amd_media_ops");
Opts.support("cl_amd_media_ops2");
}
}
LangAS::ID getOpenCLImageAddrSpace() const override {
return LangAS::opencl_constant;
}
/// \returns Target specific vtbl ptr address space.
unsigned getVtblPtrAddressSpace() const override {
// \todo: We currently have address spaces defined in AMDGPU Backend. It
// would be nice if we could use it here instead of using bare numbers (same
// applies to getDWARFAddressSpace).
return 2; // constant.
}
/// \returns If a target requires an address within a target specific address
/// space \p AddressSpace to be converted in order to be used, then return the
/// corresponding target specific DWARF address space.
///
/// \returns Otherwise return None and no conversion will be emitted in the
/// DWARF.
Optional<unsigned> getDWARFAddressSpace(
unsigned AddressSpace) const override {
switch (AddressSpace) {
case 0: // LLVM Private.
return 1; // DWARF Private.
case 3: // LLVM Local.
return 2; // DWARF Local.
default:
return None;
}
}
CallingConvCheckResult checkCallingConvention(CallingConv CC) const override {
switch (CC) {
default:
return CCCR_Warning;
case CC_C:
case CC_OpenCLKernel:
return CCCR_OK;
}
}
// In amdgcn target the null pointer in global, constant, and generic
// address space has value 0 but in private and local address space has
// value ~0.
uint64_t getNullPointerValue(unsigned AS) const override {
return AS != LangAS::opencl_local && AS != 0 ? 0 : ~0;
}
};
const Builtin::Info AMDGPUTargetInfo::BuiltinInfo[] = {
#define BUILTIN(ID, TYPE, ATTRS) \
{ #ID, TYPE, ATTRS, nullptr, ALL_LANGUAGES, nullptr },
#define TARGET_BUILTIN(ID, TYPE, ATTRS, FEATURE) \
{ #ID, TYPE, ATTRS, nullptr, ALL_LANGUAGES, FEATURE },
#include "clang/Basic/BuiltinsAMDGPU.def"
};
const char * const AMDGPUTargetInfo::GCCRegNames[] = {
"v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7",
"v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15",
"v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23",
"v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31",
"v32", "v33", "v34", "v35", "v36", "v37", "v38", "v39",
"v40", "v41", "v42", "v43", "v44", "v45", "v46", "v47",
"v48", "v49", "v50", "v51", "v52", "v53", "v54", "v55",
"v56", "v57", "v58", "v59", "v60", "v61", "v62", "v63",
"v64", "v65", "v66", "v67", "v68", "v69", "v70", "v71",
"v72", "v73", "v74", "v75", "v76", "v77", "v78", "v79",
"v80", "v81", "v82", "v83", "v84", "v85", "v86", "v87",
"v88", "v89", "v90", "v91", "v92", "v93", "v94", "v95",
"v96", "v97", "v98", "v99", "v100", "v101", "v102", "v103",
"v104", "v105", "v106", "v107", "v108", "v109", "v110", "v111",
"v112", "v113", "v114", "v115", "v116", "v117", "v118", "v119",
"v120", "v121", "v122", "v123", "v124", "v125", "v126", "v127",
"v128", "v129", "v130", "v131", "v132", "v133", "v134", "v135",
"v136", "v137", "v138", "v139", "v140", "v141", "v142", "v143",
"v144", "v145", "v146", "v147", "v148", "v149", "v150", "v151",
"v152", "v153", "v154", "v155", "v156", "v157", "v158", "v159",
"v160", "v161", "v162", "v163", "v164", "v165", "v166", "v167",
"v168", "v169", "v170", "v171", "v172", "v173", "v174", "v175",
"v176", "v177", "v178", "v179", "v180", "v181", "v182", "v183",
"v184", "v185", "v186", "v187", "v188", "v189", "v190", "v191",
"v192", "v193", "v194", "v195", "v196", "v197", "v198", "v199",
"v200", "v201", "v202", "v203", "v204", "v205", "v206", "v207",
"v208", "v209", "v210", "v211", "v212", "v213", "v214", "v215",
"v216", "v217", "v218", "v219", "v220", "v221", "v222", "v223",
"v224", "v225", "v226", "v227", "v228", "v229", "v230", "v231",
"v232", "v233", "v234", "v235", "v236", "v237", "v238", "v239",
"v240", "v241", "v242", "v243", "v244", "v245", "v246", "v247"