//===--- MSP430.h - Declare MSP430 target feature support -------*- C++ -*-===//

//

// 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 declares MSP430 TargetInfo objects.

//

//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_LIB_BASIC_TARGETS_MSP430_H

#define LLVM_CLANG_LIB_BASIC_TARGETS_MSP430_H

#include "clang/Basic/TargetInfo.h"

#include "clang/Basic/TargetOptions.h"

#include "llvm/ADT/Triple.h"

#include "llvm/Support/Compiler.h"

namespace clang {

namespace targets {

class LLVM_LIBRARY_VISIBILITY MSP430TargetInfo : public TargetInfo {

  static const char *const GCCRegNames[];

public:

  MSP430TargetInfo(const llvm::Triple &Triple, const TargetOptions &)

      : TargetInfo(Triple) {

    TLSSupported = false;

    IntWidth = 16;

    IntAlign = 16;

    LongWidth = 32;

    LongLongWidth = 64;

    LongAlign = LongLongAlign = 16;

    FloatWidth = 32;

    FloatAlign = 16;

    DoubleWidth = LongDoubleWidth = 64;

    DoubleAlign = LongDoubleAlign = 16;

    PointerWidth = 16;

    PointerAlign = 16;

    SuitableAlign = 16;

    SizeType = UnsignedInt;

    IntMaxType = SignedLongLong;

    IntPtrType = SignedInt;

    PtrDiffType = SignedInt;

    SigAtomicType = SignedLong;

    resetDataLayout("e-m:e-p:16:16-i32:16-i64:16-f32:16-f64:16-a:8-n8:16-S16");

  }

clang::targets::MSP430TargetInfo::MSP430TargetInfo(llvm::Triple const&, clang::TargetOptions const&)

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      : TargetInfo(Triple) {

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    TLSSupported = false;

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    IntWidth = 16;

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    IntAlign = 16;

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    LongWidth = 32;

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    LongLongWidth = 64;

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    LongAlign = LongLongAlign = 16;

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    FloatWidth = 32;

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    FloatAlign = 16;

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    DoubleWidth = LongDoubleWidth = 64;

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    DoubleAlign = LongDoubleAlign = 16;

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    PointerWidth = 16;

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    PointerAlign = 16;

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    SuitableAlign = 16;

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    SizeType = UnsignedInt;

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    IntMaxType = SignedLongLong;

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    IntPtrType = SignedInt;

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    PtrDiffType = SignedInt;

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    SigAtomicType = SignedLong;

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    resetDataLayout("e-m:e-p:16:16-i32:16-i64:16-f32:16-f64:16-a:8-n8:16-S16");

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  }

Unexecuted instantiation: clang::targets::MSP430TargetInfo::MSP430TargetInfo(llvm::Triple const&, clang::TargetOptions const&)

  void getTargetDefines(const LangOptions &Opts,

                        MacroBuilder &Builder) const override;

  ArrayRef<Builtin::Info> getTargetBuiltins() const override {

    // FIXME: Implement.

    return None;

  }

  bool allowsLargerPreferedTypeAlignment() const override { return false; }

  bool hasFeature(StringRef Feature) const override {

    return Feature == "msp430";

  }

  ArrayRef<const char *> getGCCRegNames() const override;

  ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {

    // Make r0 - r3 be recognized by llc (f.e., in clobber list)

    static const TargetInfo::GCCRegAlias GCCRegAliases[] = {

        {{"r0"}, "pc"},

        {{"r1"}, "sp"},

        {{"r2"}, "sr"},

        {{"r3"}, "cg"},

    };

    return llvm::makeArrayRef(GCCRegAliases);

  }

  bool validateAsmConstraint(const char *&Name,

                             TargetInfo::ConstraintInfo &info) const override {

    // FIXME: implement

    switch (*Name) {

    case 'K': // the constant 1

    case 'L': // constant -1^20 .. 1^19

    case 'M': // constant 1-4:

      return true;

    }

    // No target constraints for now.

    return false;

  }

  const char *getClobbers() const override {

    // FIXME: Is this really right?

    return "";

  }

  BuiltinVaListKind getBuiltinVaListKind() const override {

    // FIXME: implement

    return TargetInfo::CharPtrBuiltinVaList;

  }

};

} // namespace targets

} // namespace clang

#endif // LLVM_CLANG_LIB_BASIC_TARGETS_MSP430_H