clang/lib/Basic/Targets/ARC.h

   1 //===--- ARC.h - Declare ARC target feature support -------------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file declares ARC TargetInfo objects.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #ifndef LLVM_CLANG_LIB_BASIC_TARGETS_ARC_H
  14 #define LLVM_CLANG_LIB_BASIC_TARGETS_ARC_H
  15
  16 #include "clang/Basic/TargetInfo.h"
  17 #include "clang/Basic/TargetOptions.h"
  18 #include "llvm/Support/Compiler.h"
  19 #include "llvm/TargetParser/Triple.h"
  20
  21 namespace clang {
  22 namespace targets {
  23
  24 class LLVM_LIBRARY_VISIBILITY ARCTargetInfo : public TargetInfo {
  25 public:
  26   ARCTargetInfo(const llvm::Triple &Triple, const TargetOptions &)
  27       : TargetInfo(Triple) {
  28     NoAsmVariants = true;
  29     LongLongAlign = 32;
  30     SuitableAlign = 32;
  31     DoubleAlign = LongDoubleAlign = 32;
  32     SizeType = UnsignedInt;
  33     PtrDiffType = SignedInt;
  34     IntPtrType = SignedInt;
  35     UseZeroLengthBitfieldAlignment = true;
  36     resetDataLayout("e-m:e-p:32:32-i1:8:32-i8:8:32-i16:16:32-"
  37                     "i32:32:32-f32:32:32-i64:32-f64:32-a:0:32-n32");
  38   }
  39
  40   void getTargetDefines(const LangOptions &Opts,
  41                         MacroBuilder &Builder) const override;
  42
  43   ArrayRef<Builtin::Info> getTargetBuiltins() const override {
  44     return std::nullopt;
  45   }
  46
  47   BuiltinVaListKind getBuiltinVaListKind() const override {
  48     return TargetInfo::VoidPtrBuiltinVaList;
  49   }
  50
  51   const char *getClobbers() const override { return ""; }
  52
  53   ArrayRef<const char *> getGCCRegNames() const override {
  54     static const char *const GCCRegNames[] = {
  55         "r0",  "r1",  "r2",  "r3",  "r4",  "r5",     "r6",  "r7",
  56         "r8",  "r9",  "r10", "r11", "r12", "r13",    "r14", "r15",
  57         "r16", "r17", "r18", "r19", "r20", "r21",    "r22", "r23",
  58         "r24", "r25", "gp",  "sp",  "fp",  "ilink1", "r30", "blink"};
  59     return llvm::ArrayRef(GCCRegNames);
  60   }
  61
  62   ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
  63     return std::nullopt;
  64   }
  65
  66   bool validateAsmConstraint(const char *&Name,
  67                              TargetInfo::ConstraintInfo &Info) const override {
  68     return false;
  69   }
  70
  71   bool hasBitIntType() const override { return true; }
  72
  73   bool isCLZForZeroUndef() const override { return false; }
  74 };
  75
  76 } // namespace targets
  77 } // namespace clang
  78
  79 #endif // LLVM_CLANG_LIB_BASIC_TARGETS_ARC_H