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Diffstat (limited to 'clang/lib/Basic/Targets.cpp')
| -rw-r--r-- | clang/lib/Basic/Targets.cpp | 675 |
1 files changed, 675 insertions, 0 deletions
diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp new file mode 100644 index 0000000000000..63a64ed2931a8 --- /dev/null +++ b/clang/lib/Basic/Targets.cpp @@ -0,0 +1,675 @@ +//===--- 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/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/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: + return new HexagonTargetInfo(Triple, Opts); + + case llvm::Triple::lanai: + return new LanaiTargetInfo(Triple, Opts); + + 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::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::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::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::NetBSD: + return new NetBSDTargetInfo<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::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::OpenBSD: + return new OpenBSDTargetInfo<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::OpenBSD: + return new OpenBSDTargetInfo<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); + 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::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 (Triple.getOS() != llvm::Triple::UnknownOS || + Triple.getEnvironment() != llvm::Triple::UnknownEnvironment) + return nullptr; + return new SPIR32TargetInfo(Triple, Opts); + } + case llvm::Triple::spir64: { + if (Triple.getOS() != llvm::Triple::UnknownOS || + Triple.getEnvironment() != llvm::Triple::UnknownEnvironment) + return nullptr; + return new SPIR64TargetInfo(Triple, Opts); + } + case llvm::Triple::wasm32: + if (Triple.getSubArch() != llvm::Triple::NoSubArch || + Triple.getVendor() != llvm::Triple::UnknownVendor || + !Triple.isOSBinFormatWasm()) + return nullptr; + switch (Triple.getOS()) { + 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 (Triple.getOS()) { + 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); + } +} +} // 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; + } + + // 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. + llvm::StringMap<bool> Features; + if (!Target->initFeatureMap(Features, Diags, Opts->CPU, + Opts->FeaturesAsWritten)) + return nullptr; + + // Add the features to the compile options. + Opts->Features.clear(); + for (const auto &F : Features) + 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->setOpenCLExtensionOpts(); + Target->setMaxAtomicWidth(); + + if (!Target->validateTarget(Diags)) + return nullptr; + + Target->CheckFixedPointBits(); + + return Target.release(); +} |