clang/lib/Basic/Targets/LoongArch.h

   1 //===-- LoongArch.h - Declare LoongArch 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 LoongArch TargetInfo objects.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #ifndef LLVM_CLANG_LIB_BASIC_TARGETS_LOONGARCH_H
  14 #define LLVM_CLANG_LIB_BASIC_TARGETS_LOONGARCH_H
  15
  16 #include "clang/Basic/TargetInfo.h"
  17 #include "clang/Basic/TargetOptions.h"
  18 #include "llvm/ADT/Triple.h"
  19 #include "llvm/Support/Compiler.h"
  20
  21 namespace clang {
  22 namespace targets {
  23
  24 class LLVM_LIBRARY_VISIBILITY LoongArchTargetInfo : public TargetInfo {
  25 protected:
  26   std::string ABI;
  27
  28 public:
  29   LoongArchTargetInfo(const llvm::Triple &Triple, const TargetOptions &)
  30       : TargetInfo(Triple) {
  31     LongDoubleWidth = 128;
  32     LongDoubleAlign = 128;
  33     LongDoubleFormat = &llvm::APFloat::IEEEquad();
  34     SuitableAlign = 128;
  35     WCharType = SignedInt;
  36     WIntType = UnsignedInt;
  37   }
  38
  39   StringRef getABI() const override { return ABI; }
  40
  41   void getTargetDefines(const LangOptions &Opts,
  42                         MacroBuilder &Builder) const override;
  43
  44   ArrayRef<Builtin::Info> getTargetBuiltins() const override;
  45
  46   BuiltinVaListKind getBuiltinVaListKind() const override {
  47     return TargetInfo::VoidPtrBuiltinVaList;
  48   }
  49
  50   const char *getClobbers() const override { return ""; }
  51
  52   ArrayRef<const char *> getGCCRegNames() const override;
  53
  54   ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override;
  55
  56   bool validateAsmConstraint(const char *&Name,
  57                              TargetInfo::ConstraintInfo &Info) const override;
  58 };
  59
  60 class LLVM_LIBRARY_VISIBILITY LoongArch32TargetInfo
  61     : public LoongArchTargetInfo {
  62 public:
  63   LoongArch32TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
  64       : LoongArchTargetInfo(Triple, Opts) {
  65     IntPtrType = SignedInt;
  66     PtrDiffType = SignedInt;
  67     SizeType = UnsignedInt;
  68     resetDataLayout("e-m:e-p:32:32-i64:64-n32-S128");
  69     // TODO: select appropriate ABI.
  70     setABI("ilp32d");
  71   }
  72
  73   bool setABI(const std::string &Name) override {
  74     if (Name == "ilp32d" || Name == "ilp32f" || Name == "ilp32s") {
  75       ABI = Name;
  76       return true;
  77     }
  78     return false;
  79   }
  80 };
  81
  82 class LLVM_LIBRARY_VISIBILITY LoongArch64TargetInfo
  83     : public LoongArchTargetInfo {
  84 public:
  85   LoongArch64TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
  86       : LoongArchTargetInfo(Triple, Opts) {
  87     LongWidth = LongAlign = PointerWidth = PointerAlign = 64;
  88     IntMaxType = Int64Type = SignedLong;
  89     resetDataLayout("e-m:e-p:64:64-i64:64-i128:128-n64-S128");
  90     // TODO: select appropriate ABI.
  91     setABI("lp64d");
  92   }
  93
  94   bool setABI(const std::string &Name) override {
  95     if (Name == "lp64d" || Name == "lp64f" || Name == "lp64s") {
  96       ABI = Name;
  97       return true;
  98     }
  99     return false;
 100   }
 101 };
 102 } // end namespace targets
 103 } // end namespace clang
 104
 105 #endif // LLVM_CLANG_LIB_BASIC_TARGETS_LOONGARCH_H