Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/lib/Target/Lanai/LanaiMCInstLower.cpp

@@ -1,139 +0,0 @@
-//=-- LanaiMCInstLower.cpp - Convert Lanai MachineInstr to an MCInst --------=//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains code to lower Lanai MachineInstrs to their corresponding
-// MCInst records.
-//
-//===----------------------------------------------------------------------===//
-
-#include "LanaiMCInstLower.h"
-
-#include "MCTargetDesc/LanaiBaseInfo.h"
-#include "MCTargetDesc/LanaiMCExpr.h"
-#include "llvm/ADT/SmallString.h"
-#include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/CodeGen/MachineBasicBlock.h"
-#include "llvm/CodeGen/MachineInstr.h"
-#include "llvm/IR/Constants.h"
-#include "llvm/MC/MCAsmInfo.h"
-#include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCExpr.h"
-#include "llvm/MC/MCInst.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/raw_ostream.h"
-
-using namespace llvm;
-
-MCSymbol *
-LanaiMCInstLower::GetGlobalAddressSymbol(const MachineOperand &MO) const {
-  return Printer.getSymbol(MO.getGlobal());
-}
-
-MCSymbol *
-LanaiMCInstLower::GetBlockAddressSymbol(const MachineOperand &MO) const {
-  return Printer.GetBlockAddressSymbol(MO.getBlockAddress());
-}
-
-MCSymbol *
-LanaiMCInstLower::GetExternalSymbolSymbol(const MachineOperand &MO) const {
-  return Printer.GetExternalSymbolSymbol(MO.getSymbolName());
-}
-
-MCSymbol *LanaiMCInstLower::GetJumpTableSymbol(const MachineOperand &MO) const {
-  SmallString<256> Name;
-  raw_svector_ostream(Name) << Printer.MAI->getPrivateGlobalPrefix() << "JTI"
-                            << Printer.getFunctionNumber() << '_'
-                            << MO.getIndex();
-  // Create a symbol for the name.
-  return Ctx.getOrCreateSymbol(Name.str());
-}
-
-MCSymbol *
-LanaiMCInstLower::GetConstantPoolIndexSymbol(const MachineOperand &MO) const {
-  SmallString<256> Name;
-  raw_svector_ostream(Name) << Printer.MAI->getPrivateGlobalPrefix() << "CPI"
-                            << Printer.getFunctionNumber() << '_'
-                            << MO.getIndex();
-  // Create a symbol for the name.
-  return Ctx.getOrCreateSymbol(Name.str());
-}
-
-MCOperand LanaiMCInstLower::LowerSymbolOperand(const MachineOperand &MO,
-                                               MCSymbol *Sym) const {
-  LanaiMCExpr::VariantKind Kind;
-
-  switch (MO.getTargetFlags()) {
-  case LanaiII::MO_NO_FLAG:
-    Kind = LanaiMCExpr::VK_Lanai_None;
-    break;
-  case LanaiII::MO_ABS_HI:
-    Kind = LanaiMCExpr::VK_Lanai_ABS_HI;
-    break;
-  case LanaiII::MO_ABS_LO:
-    Kind = LanaiMCExpr::VK_Lanai_ABS_LO;
-    break;
-  default:
-    llvm_unreachable("Unknown target flag on GV operand");
-  }
-
-  const MCExpr *Expr =
-      MCSymbolRefExpr::create(Sym, MCSymbolRefExpr::VK_None, Ctx);
-  if (!MO.isJTI() && MO.getOffset())
-    Expr = MCBinaryExpr::createAdd(
-        Expr, MCConstantExpr::create(MO.getOffset(), Ctx), Ctx);
-  Expr = LanaiMCExpr::create(Kind, Expr, Ctx);
-  return MCOperand::createExpr(Expr);
-}
-
-void LanaiMCInstLower::Lower(const MachineInstr *MI, MCInst &OutMI) const {
-  OutMI.setOpcode(MI->getOpcode());
-
-  for (unsigned I = 0, E = MI->getNumOperands(); I != E; ++I) {
-    const MachineOperand &MO = MI->getOperand(I);
-
-    MCOperand MCOp;
-    switch (MO.getType()) {
-    case MachineOperand::MO_Register:
-      // Ignore all implicit register operands.
-      if (MO.isImplicit())
-        continue;
-      MCOp = MCOperand::createReg(MO.getReg());
-      break;
-    case MachineOperand::MO_Immediate:
-      MCOp = MCOperand::createImm(MO.getImm());
-      break;
-    case MachineOperand::MO_MachineBasicBlock:
-      MCOp = MCOperand::createExpr(
-          MCSymbolRefExpr::create(MO.getMBB()->getSymbol(), Ctx));
-      break;
-    case MachineOperand::MO_RegisterMask:
-      continue;
-    case MachineOperand::MO_GlobalAddress:
-      MCOp = LowerSymbolOperand(MO, GetGlobalAddressSymbol(MO));
-      break;
-    case MachineOperand::MO_BlockAddress:
-      MCOp = LowerSymbolOperand(MO, GetBlockAddressSymbol(MO));
-      break;
-    case MachineOperand::MO_ExternalSymbol:
-      MCOp = LowerSymbolOperand(MO, GetExternalSymbolSymbol(MO));
-      break;
-    case MachineOperand::MO_JumpTableIndex:
-      MCOp = LowerSymbolOperand(MO, GetJumpTableSymbol(MO));
-      break;
-    case MachineOperand::MO_ConstantPoolIndex:
-      MCOp = LowerSymbolOperand(MO, GetConstantPoolIndexSymbol(MO));
-      break;
-    default:
-      MI->print(errs());
-      llvm_unreachable("unknown operand type");
-    }
-
-    OutMI.addOperand(MCOp);
-  }
-}