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Imported Upstream version 5.18.0.167

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Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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Xamarin Public Jenkins (auto-signing)
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions
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82
external/llvm/lib/Target/Mips/MCTargetDesc/MipsABIInfo.h vendored
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//===---- MipsABIInfo.h - Information about MIPS ABI's --------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_MIPS_MCTARGETDESC_MIPSABIINFO_H
#define LLVM_LIB_TARGET_MIPS_MCTARGETDESC_MIPSABIINFO_H
#include "llvm/ADT/Triple.h"
#include "llvm/IR/CallingConv.h"
#include "llvm/MC/MCRegisterInfo.h"
namespace llvm {
template <typename T> class ArrayRef;
class MCTargetOptions;
class StringRef;
class TargetRegisterClass;
class MipsABIInfo {
public:
enum class ABI { Unknown, O32, N32, N64 };
protected:
ABI ThisABI;
public:
MipsABIInfo(ABI ThisABI) : ThisABI(ThisABI) {}
static MipsABIInfo Unknown() { return MipsABIInfo(ABI::Unknown); }
static MipsABIInfo O32() { return MipsABIInfo(ABI::O32); }
static MipsABIInfo N32() { return MipsABIInfo(ABI::N32); }
static MipsABIInfo N64() { return MipsABIInfo(ABI::N64); }
static MipsABIInfo computeTargetABI(const Triple &TT, StringRef CPU,
const MCTargetOptions &Options);
bool IsKnown() const { return ThisABI != ABI::Unknown; }
bool IsO32() const { return ThisABI == ABI::O32; }
bool IsN32() const { return ThisABI == ABI::N32; }
bool IsN64() const { return ThisABI == ABI::N64; }
ABI GetEnumValue() const { return ThisABI; }
/// The registers to use for byval arguments.
ArrayRef<MCPhysReg> GetByValArgRegs() const;
/// The registers to use for the variable argument list.
ArrayRef<MCPhysReg> GetVarArgRegs() const;
/// Obtain the size of the area allocated by the callee for arguments.
/// CallingConv::FastCall affects the value for O32.
unsigned GetCalleeAllocdArgSizeInBytes(CallingConv::ID CC) const;
/// Ordering of ABI's
/// MipsGenSubtargetInfo.inc will use this to resolve conflicts when given
/// multiple ABI options.
bool operator<(const MipsABIInfo Other) const {
return ThisABI < Other.GetEnumValue();
}
unsigned GetStackPtr() const;
unsigned GetFramePtr() const;
unsigned GetBasePtr() const;
unsigned GetGlobalPtr() const;
unsigned GetNullPtr() const;
unsigned GetZeroReg() const;
unsigned GetPtrAdduOp() const;
unsigned GetPtrAddiuOp() const;
unsigned GetPtrSubuOp() const;
unsigned GetPtrAndOp() const;
unsigned GetGPRMoveOp() const;
inline bool ArePtrs64bit() const { return IsN64(); }
inline bool AreGprs64bit() const { return IsN32() || IsN64(); }
unsigned GetEhDataReg(unsigned I) const;
};
}
#endif