Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/lib/Target/Mips/MCTargetDesc/MipsABIInfo.cpp

@@ -1,119 +0,0 @@
-//===---- MipsABIInfo.cpp - 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.
-//
-//===----------------------------------------------------------------------===//
-
-#include "MipsABIInfo.h"
-#include "MipsRegisterInfo.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/ADT/StringSwitch.h"
-#include "llvm/MC/MCTargetOptions.h"
-
-using namespace llvm;
-
-namespace {
-static const MCPhysReg O32IntRegs[4] = {Mips::A0, Mips::A1, Mips::A2, Mips::A3};
-
-static const MCPhysReg Mips64IntRegs[8] = {
-    Mips::A0_64, Mips::A1_64, Mips::A2_64, Mips::A3_64,
-    Mips::T0_64, Mips::T1_64, Mips::T2_64, Mips::T3_64};
-}
-
-ArrayRef<MCPhysReg> MipsABIInfo::GetByValArgRegs() const {
-  if (IsO32())
-    return makeArrayRef(O32IntRegs);
-  if (IsN32() || IsN64())
-    return makeArrayRef(Mips64IntRegs);
-  llvm_unreachable("Unhandled ABI");
-}
-
-ArrayRef<MCPhysReg> MipsABIInfo::GetVarArgRegs() const {
-  if (IsO32())
-    return makeArrayRef(O32IntRegs);
-  if (IsN32() || IsN64())
-    return makeArrayRef(Mips64IntRegs);
-  llvm_unreachable("Unhandled ABI");
-}
-
-unsigned MipsABIInfo::GetCalleeAllocdArgSizeInBytes(CallingConv::ID CC) const {
-  if (IsO32())
-    return CC != CallingConv::Fast ? 16 : 0;
-  if (IsN32() || IsN64())
-    return 0;
-  llvm_unreachable("Unhandled ABI");
-}
-
-MipsABIInfo MipsABIInfo::computeTargetABI(const Triple &TT, StringRef CPU,
-                                          const MCTargetOptions &Options) {
-  if (Options.getABIName().startswith("o32"))
-    return MipsABIInfo::O32();
-  if (Options.getABIName().startswith("n32"))
-    return MipsABIInfo::N32();
-  if (Options.getABIName().startswith("n64"))
-    return MipsABIInfo::N64();
-  assert(Options.getABIName().empty() && "Unknown ABI option for MIPS");
-
-  if (TT.getArch() == Triple::mips64 || TT.getArch() == Triple::mips64el)
-    return MipsABIInfo::N64();
-  return MipsABIInfo::O32();
-}
-
-unsigned MipsABIInfo::GetStackPtr() const {
-  return ArePtrs64bit() ? Mips::SP_64 : Mips::SP;
-}
-
-unsigned MipsABIInfo::GetFramePtr() const {
-  return ArePtrs64bit() ? Mips::FP_64 : Mips::FP;
-}
-
-unsigned MipsABIInfo::GetBasePtr() const {
-  return ArePtrs64bit() ? Mips::S7_64 : Mips::S7;
-}
-
-unsigned MipsABIInfo::GetGlobalPtr() const {
-  return ArePtrs64bit() ? Mips::GP_64 : Mips::GP;
-}
-
-unsigned MipsABIInfo::GetNullPtr() const {
-  return ArePtrs64bit() ? Mips::ZERO_64 : Mips::ZERO;
-}
-
-unsigned MipsABIInfo::GetZeroReg() const {
-  return AreGprs64bit() ? Mips::ZERO_64 : Mips::ZERO;
-}
-
-unsigned MipsABIInfo::GetPtrAdduOp() const {
-  return ArePtrs64bit() ? Mips::DADDu : Mips::ADDu;
-}
-
-unsigned MipsABIInfo::GetPtrAddiuOp() const {
-  return ArePtrs64bit() ? Mips::DADDiu : Mips::ADDiu;
-}
-
-unsigned MipsABIInfo::GetPtrSubuOp() const {
-  return ArePtrs64bit() ? Mips::DSUBu : Mips::SUBu;
-}
-
-unsigned MipsABIInfo::GetPtrAndOp() const {
-  return ArePtrs64bit() ? Mips::AND64 : Mips::AND;
-}
-
-unsigned MipsABIInfo::GetGPRMoveOp() const {
-  return ArePtrs64bit() ? Mips::OR64 : Mips::OR;
-}
-
-unsigned MipsABIInfo::GetEhDataReg(unsigned I) const {
-  static const unsigned EhDataReg[] = {
-    Mips::A0, Mips::A1, Mips::A2, Mips::A3
-  };
-  static const unsigned EhDataReg64[] = {
-    Mips::A0_64, Mips::A1_64, Mips::A2_64, Mips::A3_64
-  };
-
-  return IsN64() ? EhDataReg64[I] : EhDataReg[I];
-}
-