Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/lib/Target/BPF/BPFMCInstLower.cpp

@@ -1,84 +0,0 @@
-//=-- BPFMCInstLower.cpp - Convert BPF 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 BPF MachineInstrs to their corresponding
-// MCInst records.
-//
-//===----------------------------------------------------------------------===//
-
-#include "BPFMCInstLower.h"
-#include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/CodeGen/MachineBasicBlock.h"
-#include "llvm/CodeGen/MachineInstr.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 *
-BPFMCInstLower::GetGlobalAddressSymbol(const MachineOperand &MO) const {
-  return Printer.getSymbol(MO.getGlobal());
-}
-
-MCSymbol *
-BPFMCInstLower::GetExternalSymbolSymbol(const MachineOperand &MO) const {
-  return Printer.GetExternalSymbolSymbol(MO.getSymbolName());
-}
-
-MCOperand BPFMCInstLower::LowerSymbolOperand(const MachineOperand &MO,
-                                             MCSymbol *Sym) const {
-
-  const MCExpr *Expr = MCSymbolRefExpr::create(Sym, Ctx);
-
-  if (!MO.isJTI() && MO.getOffset())
-    llvm_unreachable("unknown symbol op");
-
-  return MCOperand::createExpr(Expr);
-}
-
-void BPFMCInstLower::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()) {
-    default:
-      MI->print(errs());
-      llvm_unreachable("unknown operand type");
-    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_ExternalSymbol:
-      MCOp = LowerSymbolOperand(MO, GetExternalSymbolSymbol(MO));
-      break;
-    case MachineOperand::MO_GlobalAddress:
-      MCOp = LowerSymbolOperand(MO, GetGlobalAddressSymbol(MO));
-      break;
-    }
-
-    OutMI.addOperand(MCOp);
-  }
-}