contrib/llvm/tools/clang/lib/Basic/Targets/Nios2.cpp

   1 //===--- Nios2.cpp - Implement Nios2 target feature support ---------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file implements Nios2 TargetInfo objects.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "Nios2.h"
  15 #include "Targets.h"
  16 #include "clang/Basic/MacroBuilder.h"
  17 #include "clang/Basic/TargetBuiltins.h"
  18 #include "llvm/ADT/StringSwitch.h"
  19
  20 using namespace clang;
  21 using namespace clang::targets;
  22
  23 const Builtin::Info Nios2TargetInfo::BuiltinInfo[] = {
  24 #define BUILTIN(ID, TYPE, ATTRS)                                               \
  25   {#ID, TYPE, ATTRS, nullptr, ALL_LANGUAGES, nullptr},
  26 #define TARGET_BUILTIN(ID, TYPE, ATTRS, FEATURE)                               \
  27   {#ID, TYPE, ATTRS, nullptr, ALL_LANGUAGES, FEATURE},
  28 #include "clang/Basic/BuiltinsNios2.def"
  29 };
  30
  31 bool Nios2TargetInfo::isFeatureSupportedByCPU(StringRef Feature,
  32                                               StringRef CPU) const {
  33   const bool isR2 = CPU == "nios2r2";
  34   return llvm::StringSwitch<bool>(Feature)
  35       .Case("nios2r2mandatory", isR2)
  36       .Case("nios2r2bmx", isR2)
  37       .Case("nios2r2mpx", isR2)
  38       .Case("nios2r2cdx", isR2)
  39       .Default(false);
  40 }
  41
  42 void Nios2TargetInfo::getTargetDefines(const LangOptions &Opts,
  43                                        MacroBuilder &Builder) const {
  44   DefineStd(Builder, "nios2", Opts);
  45   DefineStd(Builder, "NIOS2", Opts);
  46
  47   Builder.defineMacro("__nios2");
  48   Builder.defineMacro("__NIOS2");
  49   Builder.defineMacro("__nios2__");
  50   Builder.defineMacro("__NIOS2__");
  51 }
  52
  53 ArrayRef<Builtin::Info> Nios2TargetInfo::getTargetBuiltins() const {
  54   return llvm::makeArrayRef(BuiltinInfo, clang::Nios2::LastTSBuiltin -
  55                                              Builtin::FirstTSBuiltin);
  56 }