clang/lib/Basic/Targets/XCore.h

   1 //===--- XCore.h - Declare XCore 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 XCore TargetInfo objects.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #ifndef LLVM_CLANG_LIB_BASIC_TARGETS_XCORE_H
  14 #define LLVM_CLANG_LIB_BASIC_TARGETS_XCORE_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 XCoreTargetInfo : public TargetInfo {
  25
  26 public:
  27   XCoreTargetInfo(const llvm::Triple &Triple, const TargetOptions &)
  28       : TargetInfo(Triple) {
  29     NoAsmVariants = true;
  30     LongLongAlign = 32;
  31     SuitableAlign = 32;
  32     DoubleAlign = LongDoubleAlign = 32;
  33     SizeType = UnsignedInt;
  34     PtrDiffType = SignedInt;
  35     IntPtrType = SignedInt;
  36     WCharType = UnsignedChar;
  37     WIntType = UnsignedInt;
  38     UseZeroLengthBitfieldAlignment = true;
  39     resetDataLayout("e-m:e-p:32:32-i1:8:32-i8:8:32-i16:16:32-i64:32"
  40                     "-f64:32-a:0:32-n32");
  41   }
  42
  43   void getTargetDefines(const LangOptions &Opts,
  44                         MacroBuilder &Builder) const override;
  45
  46   ArrayRef<Builtin::Info> getTargetBuiltins() const override;
  47
  48   BuiltinVaListKind getBuiltinVaListKind() const override {
  49     return TargetInfo::VoidPtrBuiltinVaList;
  50   }
  51
  52   const char *getClobbers() const override { return ""; }
  53
  54   ArrayRef<const char *> getGCCRegNames() const override {
  55     static const char *const GCCRegNames[] = {
  56         "r0", "r1", "r2",  "r3",  "r4", "r5", "r6", "r7",
  57         "r8", "r9", "r10", "r11", "cp", "dp", "sp", "lr"
  58     };
  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   int getEHDataRegisterNumber(unsigned RegNo) const override {
  72     // R0=ExceptionPointerRegister R1=ExceptionSelectorRegister
  73     return (RegNo < 2) ? RegNo : -1;
  74   }
  75
  76   bool allowsLargerPreferedTypeAlignment() const override { return false; }
  77
  78   bool hasBitIntType() const override { return true; }
  79 };
  80 } // namespace targets
  81 } // namespace clang
  82 #endif // LLVM_CLANG_LIB_BASIC_TARGETS_XCORE_H