llvm-project/clang/lib/Basic/Targets.cpp
Alex Lorenz 116c1bea65 [clang][macho] add clang frontend support for emitting macho files with two build version load commands
This patch extends clang frontend to add metadata that can be used to emit macho files with two build version load commands.
It utilizes "darwin.target_variant.triple" and "darwin.target_variant.SDK Version" metadata names for that.

MachO uses two build version load commands to represent an object file / binary that is targeting both the macOS target,
and the Mac Catalyst target. At runtime, a dynamic library that supports both targets can be loaded from either a native
macOS or a Mac Catalyst app on a macOS system. We want to add support to this to upstream to LLVM to be able to build
compiler-rt for both targets, to finish the complete support for the Mac Catalyst platform, which is right now targetable
by upstream clang, but the compiler-rt bits aren't supported because of the lack of this multiple build version support.

Differential Revision: https://reviews.llvm.org/D115415
2022-02-02 08:30:39 -08:00

770 lines
27 KiB
C++

//===--- Targets.cpp - Implement target feature support -------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file implements construction of a TargetInfo object from a
// target triple.
//
//===----------------------------------------------------------------------===//
#include "Targets.h"
#include "Targets/AArch64.h"
#include "Targets/AMDGPU.h"
#include "Targets/ARC.h"
#include "Targets/ARM.h"
#include "Targets/AVR.h"
#include "Targets/BPF.h"
#include "Targets/Hexagon.h"
#include "Targets/Lanai.h"
#include "Targets/Le64.h"
#include "Targets/M68k.h"
#include "Targets/MSP430.h"
#include "Targets/Mips.h"
#include "Targets/NVPTX.h"
#include "Targets/OSTargets.h"
#include "Targets/PNaCl.h"
#include "Targets/PPC.h"
#include "Targets/RISCV.h"
#include "Targets/SPIR.h"
#include "Targets/Sparc.h"
#include "Targets/SystemZ.h"
#include "Targets/TCE.h"
#include "Targets/VE.h"
#include "Targets/WebAssembly.h"
#include "Targets/X86.h"
#include "Targets/XCore.h"
#include "clang/Basic/Diagnostic.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/Triple.h"
using namespace clang;
namespace clang {
namespace targets {
//===----------------------------------------------------------------------===//
// 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.
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 + "__");
}
void defineCPUMacros(MacroBuilder &Builder, StringRef CPUName, bool Tuning) {
Builder.defineMacro("__" + CPUName);
Builder.defineMacro("__" + CPUName + "__");
if (Tuning)
Builder.defineMacro("__tune_" + CPUName + "__");
}
void addCygMingDefines(const LangOptions &Opts, MacroBuilder &Builder) {
// Mingw and cygwin define __declspec(a) to __attribute__((a)). Clang
// supports __declspec natively under -fms-extensions, but we define a no-op
// __declspec macro anyway for pre-processor compatibility.
if (Opts.MicrosoftExt)
Builder.defineMacro("__declspec", "__declspec");
else
Builder.defineMacro("__declspec(a)", "__attribute__((a))");
if (!Opts.MicrosoftExt) {
// Provide macros for all the calling convention keywords. Provide both
// single and double underscore prefixed variants. These are available on
// x64 as well as x86, even though they have no effect.
const char *CCs[] = {"cdecl", "stdcall", "fastcall", "thiscall", "pascal"};
for (const char *CC : CCs) {
std::string GCCSpelling = "__attribute__((__";
GCCSpelling += CC;
GCCSpelling += "__))";
Builder.defineMacro(Twine("_") + CC, GCCSpelling);
Builder.defineMacro(Twine("__") + CC, GCCSpelling);
}
}
}
//===----------------------------------------------------------------------===//
// Driver code
//===----------------------------------------------------------------------===//
TargetInfo *AllocateTarget(const llvm::Triple &Triple,
const TargetOptions &Opts) {
llvm::Triple::OSType os = Triple.getOS();
switch (Triple.getArch()) {
default:
return nullptr;
case llvm::Triple::arc:
return new ARCTargetInfo(Triple, Opts);
case llvm::Triple::xcore:
return new XCoreTargetInfo(Triple, Opts);
case llvm::Triple::hexagon:
if (os == llvm::Triple::Linux &&
Triple.getEnvironment() == llvm::Triple::Musl)
return new LinuxTargetInfo<HexagonTargetInfo>(Triple, Opts);
return new HexagonTargetInfo(Triple, Opts);
case llvm::Triple::lanai:
return new LanaiTargetInfo(Triple, Opts);
case llvm::Triple::aarch64_32:
if (Triple.isOSDarwin())
return new DarwinAArch64TargetInfo(Triple, Opts);
return nullptr;
case llvm::Triple::aarch64:
if (Triple.isOSDarwin())
return new DarwinAArch64TargetInfo(Triple, Opts);
switch (os) {
case llvm::Triple::CloudABI:
return new CloudABITargetInfo<AArch64leTargetInfo>(Triple, Opts);
case llvm::Triple::FreeBSD:
return new FreeBSDTargetInfo<AArch64leTargetInfo>(Triple, Opts);
case llvm::Triple::Fuchsia:
return new FuchsiaTargetInfo<AArch64leTargetInfo>(Triple, Opts);
case llvm::Triple::Linux:
return new LinuxTargetInfo<AArch64leTargetInfo>(Triple, Opts);
case llvm::Triple::NetBSD:
return new NetBSDTargetInfo<AArch64leTargetInfo>(Triple, Opts);
case llvm::Triple::OpenBSD:
return new OpenBSDTargetInfo<AArch64leTargetInfo>(Triple, Opts);
case llvm::Triple::Win32:
switch (Triple.getEnvironment()) {
case llvm::Triple::GNU:
return new MinGWARM64TargetInfo(Triple, Opts);
case llvm::Triple::MSVC:
default: // Assume MSVC for unknown environments
return new MicrosoftARM64TargetInfo(Triple, Opts);
}
default:
return new AArch64leTargetInfo(Triple, Opts);
}
case llvm::Triple::aarch64_be:
switch (os) {
case llvm::Triple::FreeBSD:
return new FreeBSDTargetInfo<AArch64beTargetInfo>(Triple, Opts);
case llvm::Triple::Fuchsia:
return new FuchsiaTargetInfo<AArch64beTargetInfo>(Triple, Opts);
case llvm::Triple::Linux:
return new LinuxTargetInfo<AArch64beTargetInfo>(Triple, Opts);
case llvm::Triple::NetBSD:
return new NetBSDTargetInfo<AArch64beTargetInfo>(Triple, Opts);
default:
return new AArch64beTargetInfo(Triple, Opts);
}
case llvm::Triple::arm:
case llvm::Triple::thumb:
if (Triple.isOSBinFormatMachO())
return new DarwinARMTargetInfo(Triple, Opts);
switch (os) {
case llvm::Triple::CloudABI:
return new CloudABITargetInfo<ARMleTargetInfo>(Triple, Opts);
case llvm::Triple::Linux:
return new LinuxTargetInfo<ARMleTargetInfo>(Triple, Opts);
case llvm::Triple::FreeBSD:
return new FreeBSDTargetInfo<ARMleTargetInfo>(Triple, Opts);
case llvm::Triple::NetBSD:
return new NetBSDTargetInfo<ARMleTargetInfo>(Triple, Opts);
case llvm::Triple::OpenBSD:
return new OpenBSDTargetInfo<ARMleTargetInfo>(Triple, Opts);
case llvm::Triple::RTEMS:
return new RTEMSTargetInfo<ARMleTargetInfo>(Triple, Opts);
case llvm::Triple::NaCl:
return new NaClTargetInfo<ARMleTargetInfo>(Triple, Opts);
case llvm::Triple::Win32:
switch (Triple.getEnvironment()) {
case llvm::Triple::Cygnus:
return new CygwinARMTargetInfo(Triple, Opts);
case llvm::Triple::GNU:
return new MinGWARMTargetInfo(Triple, Opts);
case llvm::Triple::Itanium:
return new ItaniumWindowsARMleTargetInfo(Triple, Opts);
case llvm::Triple::MSVC:
default: // Assume MSVC for unknown environments
return new MicrosoftARMleTargetInfo(Triple, Opts);
}
default:
return new ARMleTargetInfo(Triple, Opts);
}
case llvm::Triple::armeb:
case llvm::Triple::thumbeb:
if (Triple.isOSDarwin())
return new DarwinARMTargetInfo(Triple, Opts);
switch (os) {
case llvm::Triple::Linux:
return new LinuxTargetInfo<ARMbeTargetInfo>(Triple, Opts);
case llvm::Triple::FreeBSD:
return new FreeBSDTargetInfo<ARMbeTargetInfo>(Triple, Opts);
case llvm::Triple::NetBSD:
return new NetBSDTargetInfo<ARMbeTargetInfo>(Triple, Opts);
case llvm::Triple::OpenBSD:
return new OpenBSDTargetInfo<ARMbeTargetInfo>(Triple, Opts);
case llvm::Triple::RTEMS:
return new RTEMSTargetInfo<ARMbeTargetInfo>(Triple, Opts);
case llvm::Triple::NaCl:
return new NaClTargetInfo<ARMbeTargetInfo>(Triple, Opts);
default:
return new ARMbeTargetInfo(Triple, Opts);
}
case llvm::Triple::avr:
return new AVRTargetInfo(Triple, Opts);
case llvm::Triple::bpfeb:
case llvm::Triple::bpfel:
return new BPFTargetInfo(Triple, Opts);
case llvm::Triple::msp430:
return new MSP430TargetInfo(Triple, Opts);
case llvm::Triple::mips:
switch (os) {
case llvm::Triple::Linux:
return new LinuxTargetInfo<MipsTargetInfo>(Triple, Opts);
case llvm::Triple::RTEMS:
return new RTEMSTargetInfo<MipsTargetInfo>(Triple, Opts);
case llvm::Triple::FreeBSD:
return new FreeBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
case llvm::Triple::NetBSD:
return new NetBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
default:
return new MipsTargetInfo(Triple, Opts);
}
case llvm::Triple::mipsel:
switch (os) {
case llvm::Triple::Linux:
return new LinuxTargetInfo<MipsTargetInfo>(Triple, Opts);
case llvm::Triple::RTEMS:
return new RTEMSTargetInfo<MipsTargetInfo>(Triple, Opts);
case llvm::Triple::FreeBSD:
return new FreeBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
case llvm::Triple::NetBSD:
return new NetBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
case llvm::Triple::NaCl:
return new NaClTargetInfo<NaClMips32TargetInfo>(Triple, Opts);
default:
return new MipsTargetInfo(Triple, Opts);
}
case llvm::Triple::mips64:
switch (os) {
case llvm::Triple::Linux:
return new LinuxTargetInfo<MipsTargetInfo>(Triple, Opts);
case llvm::Triple::RTEMS:
return new RTEMSTargetInfo<MipsTargetInfo>(Triple, Opts);
case llvm::Triple::FreeBSD:
return new FreeBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
case llvm::Triple::NetBSD:
return new NetBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
case llvm::Triple::OpenBSD:
return new OpenBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
default:
return new MipsTargetInfo(Triple, Opts);
}
case llvm::Triple::mips64el:
switch (os) {
case llvm::Triple::Linux:
return new LinuxTargetInfo<MipsTargetInfo>(Triple, Opts);
case llvm::Triple::RTEMS:
return new RTEMSTargetInfo<MipsTargetInfo>(Triple, Opts);
case llvm::Triple::FreeBSD:
return new FreeBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
case llvm::Triple::NetBSD:
return new NetBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
case llvm::Triple::OpenBSD:
return new OpenBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
default:
return new MipsTargetInfo(Triple, Opts);
}
case llvm::Triple::m68k:
switch (os) {
case llvm::Triple::Linux:
return new LinuxTargetInfo<M68kTargetInfo>(Triple, Opts);
case llvm::Triple::NetBSD:
return new NetBSDTargetInfo<M68kTargetInfo>(Triple, Opts);
default:
return new M68kTargetInfo(Triple, Opts);
}
case llvm::Triple::le32:
switch (os) {
case llvm::Triple::NaCl:
return new NaClTargetInfo<PNaClTargetInfo>(Triple, Opts);
default:
return nullptr;
}
case llvm::Triple::le64:
return new Le64TargetInfo(Triple, Opts);
case llvm::Triple::ppc:
if (Triple.isOSDarwin())
return new DarwinPPC32TargetInfo(Triple, Opts);
switch (os) {
case llvm::Triple::Linux:
return new LinuxTargetInfo<PPC32TargetInfo>(Triple, Opts);
case llvm::Triple::FreeBSD:
return new FreeBSDTargetInfo<PPC32TargetInfo>(Triple, Opts);
case llvm::Triple::NetBSD:
return new NetBSDTargetInfo<PPC32TargetInfo>(Triple, Opts);
case llvm::Triple::OpenBSD:
return new OpenBSDTargetInfo<PPC32TargetInfo>(Triple, Opts);
case llvm::Triple::RTEMS:
return new RTEMSTargetInfo<PPC32TargetInfo>(Triple, Opts);
case llvm::Triple::AIX:
return new AIXPPC32TargetInfo(Triple, Opts);
default:
return new PPC32TargetInfo(Triple, Opts);
}
case llvm::Triple::ppcle:
switch (os) {
case llvm::Triple::Linux:
return new LinuxTargetInfo<PPC32TargetInfo>(Triple, Opts);
case llvm::Triple::FreeBSD:
return new FreeBSDTargetInfo<PPC32TargetInfo>(Triple, Opts);
default:
return new PPC32TargetInfo(Triple, Opts);
}
case llvm::Triple::ppc64:
if (Triple.isOSDarwin())
return new DarwinPPC64TargetInfo(Triple, Opts);
switch (os) {
case llvm::Triple::Linux:
return new LinuxTargetInfo<PPC64TargetInfo>(Triple, Opts);
case llvm::Triple::Lv2:
return new PS3PPUTargetInfo<PPC64TargetInfo>(Triple, Opts);
case llvm::Triple::FreeBSD:
return new FreeBSDTargetInfo<PPC64TargetInfo>(Triple, Opts);
case llvm::Triple::NetBSD:
return new NetBSDTargetInfo<PPC64TargetInfo>(Triple, Opts);
case llvm::Triple::OpenBSD:
return new OpenBSDTargetInfo<PPC64TargetInfo>(Triple, Opts);
case llvm::Triple::AIX:
return new AIXPPC64TargetInfo(Triple, Opts);
default:
return new PPC64TargetInfo(Triple, Opts);
}
case llvm::Triple::ppc64le:
switch (os) {
case llvm::Triple::Linux:
return new LinuxTargetInfo<PPC64TargetInfo>(Triple, Opts);
case llvm::Triple::FreeBSD:
return new FreeBSDTargetInfo<PPC64TargetInfo>(Triple, Opts);
case llvm::Triple::NetBSD:
return new NetBSDTargetInfo<PPC64TargetInfo>(Triple, Opts);
case llvm::Triple::OpenBSD:
return new OpenBSDTargetInfo<PPC64TargetInfo>(Triple, Opts);
default:
return new PPC64TargetInfo(Triple, Opts);
}
case llvm::Triple::nvptx:
return new NVPTXTargetInfo(Triple, Opts, /*TargetPointerWidth=*/32);
case llvm::Triple::nvptx64:
return new NVPTXTargetInfo(Triple, Opts, /*TargetPointerWidth=*/64);
case llvm::Triple::amdgcn:
case llvm::Triple::r600:
return new AMDGPUTargetInfo(Triple, Opts);
case llvm::Triple::riscv32:
// TODO: add cases for NetBSD, RTEMS once tested.
switch (os) {
case llvm::Triple::FreeBSD:
return new FreeBSDTargetInfo<RISCV32TargetInfo>(Triple, Opts);
case llvm::Triple::Linux:
return new LinuxTargetInfo<RISCV32TargetInfo>(Triple, Opts);
default:
return new RISCV32TargetInfo(Triple, Opts);
}
case llvm::Triple::riscv64:
// TODO: add cases for NetBSD, RTEMS once tested.
switch (os) {
case llvm::Triple::FreeBSD:
return new FreeBSDTargetInfo<RISCV64TargetInfo>(Triple, Opts);
case llvm::Triple::OpenBSD:
return new OpenBSDTargetInfo<RISCV64TargetInfo>(Triple, Opts);
case llvm::Triple::Fuchsia:
return new FuchsiaTargetInfo<RISCV64TargetInfo>(Triple, Opts);
case llvm::Triple::Linux:
return new LinuxTargetInfo<RISCV64TargetInfo>(Triple, Opts);
default:
return new RISCV64TargetInfo(Triple, Opts);
}
case llvm::Triple::sparc:
switch (os) {
case llvm::Triple::Linux:
return new LinuxTargetInfo<SparcV8TargetInfo>(Triple, Opts);
case llvm::Triple::Solaris:
return new SolarisTargetInfo<SparcV8TargetInfo>(Triple, Opts);
case llvm::Triple::NetBSD:
return new NetBSDTargetInfo<SparcV8TargetInfo>(Triple, Opts);
case llvm::Triple::RTEMS:
return new RTEMSTargetInfo<SparcV8TargetInfo>(Triple, Opts);
default:
return new SparcV8TargetInfo(Triple, Opts);
}
// The 'sparcel' architecture copies all the above cases except for Solaris.
case llvm::Triple::sparcel:
switch (os) {
case llvm::Triple::Linux:
return new LinuxTargetInfo<SparcV8elTargetInfo>(Triple, Opts);
case llvm::Triple::NetBSD:
return new NetBSDTargetInfo<SparcV8elTargetInfo>(Triple, Opts);
case llvm::Triple::RTEMS:
return new RTEMSTargetInfo<SparcV8elTargetInfo>(Triple, Opts);
default:
return new SparcV8elTargetInfo(Triple, Opts);
}
case llvm::Triple::sparcv9:
switch (os) {
case llvm::Triple::Linux:
return new LinuxTargetInfo<SparcV9TargetInfo>(Triple, Opts);
case llvm::Triple::Solaris:
return new SolarisTargetInfo<SparcV9TargetInfo>(Triple, Opts);
case llvm::Triple::NetBSD:
return new NetBSDTargetInfo<SparcV9TargetInfo>(Triple, Opts);
case llvm::Triple::OpenBSD:
return new OpenBSDTargetInfo<SparcV9TargetInfo>(Triple, Opts);
case llvm::Triple::FreeBSD:
return new FreeBSDTargetInfo<SparcV9TargetInfo>(Triple, Opts);
default:
return new SparcV9TargetInfo(Triple, Opts);
}
case llvm::Triple::systemz:
switch (os) {
case llvm::Triple::Linux:
return new LinuxTargetInfo<SystemZTargetInfo>(Triple, Opts);
case llvm::Triple::ZOS:
return new ZOSTargetInfo<SystemZTargetInfo>(Triple, Opts);
default:
return new SystemZTargetInfo(Triple, Opts);
}
case llvm::Triple::tce:
return new TCETargetInfo(Triple, Opts);
case llvm::Triple::tcele:
return new TCELETargetInfo(Triple, Opts);
case llvm::Triple::x86:
if (Triple.isOSDarwin())
return new DarwinI386TargetInfo(Triple, Opts);
switch (os) {
case llvm::Triple::Ananas:
return new AnanasTargetInfo<X86_32TargetInfo>(Triple, Opts);
case llvm::Triple::CloudABI:
return new CloudABITargetInfo<X86_32TargetInfo>(Triple, Opts);
case llvm::Triple::Linux: {
switch (Triple.getEnvironment()) {
default:
return new LinuxTargetInfo<X86_32TargetInfo>(Triple, Opts);
case llvm::Triple::Android:
return new AndroidX86_32TargetInfo(Triple, Opts);
}
}
case llvm::Triple::DragonFly:
return new DragonFlyBSDTargetInfo<X86_32TargetInfo>(Triple, Opts);
case llvm::Triple::NetBSD:
return new NetBSDI386TargetInfo(Triple, Opts);
case llvm::Triple::OpenBSD:
return new OpenBSDI386TargetInfo(Triple, Opts);
case llvm::Triple::FreeBSD:
return new FreeBSDTargetInfo<X86_32TargetInfo>(Triple, Opts);
case llvm::Triple::Fuchsia:
return new FuchsiaTargetInfo<X86_32TargetInfo>(Triple, Opts);
case llvm::Triple::KFreeBSD:
return new KFreeBSDTargetInfo<X86_32TargetInfo>(Triple, Opts);
case llvm::Triple::Minix:
return new MinixTargetInfo<X86_32TargetInfo>(Triple, Opts);
case llvm::Triple::Solaris:
return new SolarisTargetInfo<X86_32TargetInfo>(Triple, Opts);
case llvm::Triple::Win32: {
switch (Triple.getEnvironment()) {
case llvm::Triple::Cygnus:
return new CygwinX86_32TargetInfo(Triple, Opts);
case llvm::Triple::GNU:
return new MinGWX86_32TargetInfo(Triple, Opts);
case llvm::Triple::Itanium:
case llvm::Triple::MSVC:
default: // Assume MSVC for unknown environments
return new MicrosoftX86_32TargetInfo(Triple, Opts);
}
}
case llvm::Triple::Haiku:
return new HaikuX86_32TargetInfo(Triple, Opts);
case llvm::Triple::RTEMS:
return new RTEMSX86_32TargetInfo(Triple, Opts);
case llvm::Triple::NaCl:
return new NaClTargetInfo<X86_32TargetInfo>(Triple, Opts);
case llvm::Triple::ELFIAMCU:
return new MCUX86_32TargetInfo(Triple, Opts);
case llvm::Triple::Hurd:
return new HurdTargetInfo<X86_32TargetInfo>(Triple, Opts);
default:
return new X86_32TargetInfo(Triple, Opts);
}
case llvm::Triple::x86_64:
if (Triple.isOSDarwin() || Triple.isOSBinFormatMachO())
return new DarwinX86_64TargetInfo(Triple, Opts);
switch (os) {
case llvm::Triple::Ananas:
return new AnanasTargetInfo<X86_64TargetInfo>(Triple, Opts);
case llvm::Triple::CloudABI:
return new CloudABITargetInfo<X86_64TargetInfo>(Triple, Opts);
case llvm::Triple::Linux: {
switch (Triple.getEnvironment()) {
default:
return new LinuxTargetInfo<X86_64TargetInfo>(Triple, Opts);
case llvm::Triple::Android:
return new AndroidX86_64TargetInfo(Triple, Opts);
}
}
case llvm::Triple::DragonFly:
return new DragonFlyBSDTargetInfo<X86_64TargetInfo>(Triple, Opts);
case llvm::Triple::NetBSD:
return new NetBSDTargetInfo<X86_64TargetInfo>(Triple, Opts);
case llvm::Triple::OpenBSD:
return new OpenBSDX86_64TargetInfo(Triple, Opts);
case llvm::Triple::FreeBSD:
return new FreeBSDTargetInfo<X86_64TargetInfo>(Triple, Opts);
case llvm::Triple::Fuchsia:
return new FuchsiaTargetInfo<X86_64TargetInfo>(Triple, Opts);
case llvm::Triple::KFreeBSD:
return new KFreeBSDTargetInfo<X86_64TargetInfo>(Triple, Opts);
case llvm::Triple::Solaris:
return new SolarisTargetInfo<X86_64TargetInfo>(Triple, Opts);
case llvm::Triple::Win32: {
switch (Triple.getEnvironment()) {
case llvm::Triple::Cygnus:
return new CygwinX86_64TargetInfo(Triple, Opts);
case llvm::Triple::GNU:
return new MinGWX86_64TargetInfo(Triple, Opts);
case llvm::Triple::MSVC:
default: // Assume MSVC for unknown environments
return new MicrosoftX86_64TargetInfo(Triple, Opts);
}
}
case llvm::Triple::Haiku:
return new HaikuTargetInfo<X86_64TargetInfo>(Triple, Opts);
case llvm::Triple::NaCl:
return new NaClTargetInfo<X86_64TargetInfo>(Triple, Opts);
case llvm::Triple::PS4:
return new PS4OSTargetInfo<X86_64TargetInfo>(Triple, Opts);
default:
return new X86_64TargetInfo(Triple, Opts);
}
case llvm::Triple::spir: {
if (os != llvm::Triple::UnknownOS ||
Triple.getEnvironment() != llvm::Triple::UnknownEnvironment)
return nullptr;
return new SPIR32TargetInfo(Triple, Opts);
}
case llvm::Triple::spir64: {
if (os != llvm::Triple::UnknownOS ||
Triple.getEnvironment() != llvm::Triple::UnknownEnvironment)
return nullptr;
return new SPIR64TargetInfo(Triple, Opts);
}
case llvm::Triple::spirv32: {
if (os != llvm::Triple::UnknownOS ||
Triple.getEnvironment() != llvm::Triple::UnknownEnvironment)
return nullptr;
return new SPIRV32TargetInfo(Triple, Opts);
}
case llvm::Triple::spirv64: {
if (os != llvm::Triple::UnknownOS ||
Triple.getEnvironment() != llvm::Triple::UnknownEnvironment)
return nullptr;
return new SPIRV64TargetInfo(Triple, Opts);
}
case llvm::Triple::wasm32:
if (Triple.getSubArch() != llvm::Triple::NoSubArch ||
Triple.getVendor() != llvm::Triple::UnknownVendor ||
!Triple.isOSBinFormatWasm())
return nullptr;
switch (os) {
case llvm::Triple::WASI:
return new WASITargetInfo<WebAssembly32TargetInfo>(Triple, Opts);
case llvm::Triple::Emscripten:
return new EmscriptenTargetInfo<WebAssembly32TargetInfo>(Triple, Opts);
case llvm::Triple::UnknownOS:
return new WebAssemblyOSTargetInfo<WebAssembly32TargetInfo>(Triple, Opts);
default:
return nullptr;
}
case llvm::Triple::wasm64:
if (Triple.getSubArch() != llvm::Triple::NoSubArch ||
Triple.getVendor() != llvm::Triple::UnknownVendor ||
!Triple.isOSBinFormatWasm())
return nullptr;
switch (os) {
case llvm::Triple::WASI:
return new WASITargetInfo<WebAssembly64TargetInfo>(Triple, Opts);
case llvm::Triple::Emscripten:
return new EmscriptenTargetInfo<WebAssembly64TargetInfo>(Triple, Opts);
case llvm::Triple::UnknownOS:
return new WebAssemblyOSTargetInfo<WebAssembly64TargetInfo>(Triple, Opts);
default:
return nullptr;
}
case llvm::Triple::renderscript32:
return new LinuxTargetInfo<RenderScript32TargetInfo>(Triple, Opts);
case llvm::Triple::renderscript64:
return new LinuxTargetInfo<RenderScript64TargetInfo>(Triple, Opts);
case llvm::Triple::ve:
return new LinuxTargetInfo<VETargetInfo>(Triple, Opts);
}
}
} // namespace targets
} // namespace clang
using namespace clang::targets;
/// CreateTargetInfo - Return the target info object for the specified target
/// options.
TargetInfo *
TargetInfo::CreateTargetInfo(DiagnosticsEngine &Diags,
const std::shared_ptr<TargetOptions> &Opts) {
llvm::Triple Triple(Opts->Triple);
// Construct the target
std::unique_ptr<TargetInfo> Target(AllocateTarget(Triple, *Opts));
if (!Target) {
Diags.Report(diag::err_target_unknown_triple) << Triple.str();
return nullptr;
}
Target->TargetOpts = Opts;
// Set the target CPU if specified.
if (!Opts->CPU.empty() && !Target->setCPU(Opts->CPU)) {
Diags.Report(diag::err_target_unknown_cpu) << Opts->CPU;
SmallVector<StringRef, 32> ValidList;
Target->fillValidCPUList(ValidList);
if (!ValidList.empty())
Diags.Report(diag::note_valid_options) << llvm::join(ValidList, ", ");
return nullptr;
}
// Check the TuneCPU name if specified.
if (!Opts->TuneCPU.empty() &&
!Target->isValidTuneCPUName(Opts->TuneCPU)) {
Diags.Report(diag::err_target_unknown_cpu) << Opts->TuneCPU;
SmallVector<StringRef, 32> ValidList;
Target->fillValidTuneCPUList(ValidList);
if (!ValidList.empty())
Diags.Report(diag::note_valid_options) << llvm::join(ValidList, ", ");
return nullptr;
}
// Set the target ABI if specified.
if (!Opts->ABI.empty() && !Target->setABI(Opts->ABI)) {
Diags.Report(diag::err_target_unknown_abi) << Opts->ABI;
return nullptr;
}
// Set the fp math unit.
if (!Opts->FPMath.empty() && !Target->setFPMath(Opts->FPMath)) {
Diags.Report(diag::err_target_unknown_fpmath) << Opts->FPMath;
return nullptr;
}
// Compute the default target features, we need the target to handle this
// because features may have dependencies on one another.
if (!Target->initFeatureMap(Opts->FeatureMap, Diags, Opts->CPU,
Opts->FeaturesAsWritten))
return nullptr;
// Add the features to the compile options.
Opts->Features.clear();
for (const auto &F : Opts->FeatureMap)
Opts->Features.push_back((F.getValue() ? "+" : "-") + F.getKey().str());
// Sort here, so we handle the features in a predictable order. (This matters
// when we're dealing with features that overlap.)
llvm::sort(Opts->Features);
if (!Target->handleTargetFeatures(Opts->Features, Diags))
return nullptr;
Target->setSupportedOpenCLOpts();
Target->setCommandLineOpenCLOpts();
Target->setMaxAtomicWidth();
if (!Opts->DarwinTargetVariantTriple.empty())
Target->DarwinTargetVariantTriple =
llvm::Triple(Opts->DarwinTargetVariantTriple);
if (!Target->validateTarget(Diags))
return nullptr;
Target->CheckFixedPointBits();
return Target.release();
}
/// validateOpenCLTarget - Check that OpenCL target has valid
/// options setting based on OpenCL version.
bool TargetInfo::validateOpenCLTarget(const LangOptions &Opts,
DiagnosticsEngine &Diags) const {
const llvm::StringMap<bool> &OpenCLFeaturesMap = getSupportedOpenCLOpts();
auto diagnoseNotSupportedCore = [&](llvm::StringRef Name, auto... OptArgs) {
if (OpenCLOptions::isOpenCLOptionCoreIn(Opts, OptArgs...) &&
!hasFeatureEnabled(OpenCLFeaturesMap, Name))
Diags.Report(diag::warn_opencl_unsupported_core_feature)
<< Name << Opts.OpenCLCPlusPlus
<< Opts.getOpenCLVersionTuple().getAsString();
};
#define OPENCL_GENERIC_EXTENSION(Ext, ...) \
diagnoseNotSupportedCore(#Ext, __VA_ARGS__);
#include "clang/Basic/OpenCLExtensions.def"
// Validate that feature macros are set properly for OpenCL C 3.0.
// In other cases assume that target is always valid.
if (Opts.getOpenCLCompatibleVersion() < 300)
return true;
return OpenCLOptions::diagnoseUnsupportedFeatureDependencies(*this, Diags) &&
OpenCLOptions::diagnoseFeatureExtensionDifferences(*this, Diags);
}