Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/lib/Target/MSP430/MSP430AsmPrinter.cpp

@@ -1,159 +0,0 @@
-//===-- MSP430AsmPrinter.cpp - MSP430 LLVM assembly writer ----------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains a printer that converts from our internal representation
-// of machine-dependent LLVM code to the MSP430 assembly language.
-//
-//===----------------------------------------------------------------------===//
-
-#include "InstPrinter/MSP430InstPrinter.h"
-#include "MSP430.h"
-#include "MSP430InstrInfo.h"
-#include "MSP430MCInstLower.h"
-#include "MSP430TargetMachine.h"
-#include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/CodeGen/MachineConstantPool.h"
-#include "llvm/CodeGen/MachineFunctionPass.h"
-#include "llvm/CodeGen/MachineInstr.h"
-#include "llvm/CodeGen/MachineModuleInfo.h"
-#include "llvm/IR/Constants.h"
-#include "llvm/IR/DerivedTypes.h"
-#include "llvm/IR/Mangler.h"
-#include "llvm/IR/Module.h"
-#include "llvm/MC/MCAsmInfo.h"
-#include "llvm/MC/MCInst.h"
-#include "llvm/MC/MCStreamer.h"
-#include "llvm/MC/MCSymbol.h"
-#include "llvm/Support/TargetRegistry.h"
-#include "llvm/Support/raw_ostream.h"
-using namespace llvm;
-
-#define DEBUG_TYPE "asm-printer"
-
-namespace {
-  class MSP430AsmPrinter : public AsmPrinter {
-  public:
-    MSP430AsmPrinter(TargetMachine &TM, std::unique_ptr<MCStreamer> Streamer)
-        : AsmPrinter(TM, std::move(Streamer)) {}
-
-    StringRef getPassName() const override { return "MSP430 Assembly Printer"; }
-
-    void printOperand(const MachineInstr *MI, int OpNum,
-                      raw_ostream &O, const char* Modifier = nullptr);
-    void printSrcMemOperand(const MachineInstr *MI, int OpNum,
-                            raw_ostream &O);
-    bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
-                         unsigned AsmVariant, const char *ExtraCode,
-                         raw_ostream &O) override;
-    bool PrintAsmMemoryOperand(const MachineInstr *MI,
-                               unsigned OpNo, unsigned AsmVariant,
-                               const char *ExtraCode, raw_ostream &O) override;
-    void EmitInstruction(const MachineInstr *MI) override;
-  };
-} // end of anonymous namespace
-
-
-void MSP430AsmPrinter::printOperand(const MachineInstr *MI, int OpNum,
-                                    raw_ostream &O, const char *Modifier) {
-  const MachineOperand &MO = MI->getOperand(OpNum);
-  switch (MO.getType()) {
-  default: llvm_unreachable("Not implemented yet!");
-  case MachineOperand::MO_Register:
-    O << MSP430InstPrinter::getRegisterName(MO.getReg());
-    return;
-  case MachineOperand::MO_Immediate:
-    if (!Modifier || strcmp(Modifier, "nohash"))
-      O << '#';
-    O << MO.getImm();
-    return;
-  case MachineOperand::MO_MachineBasicBlock:
-    MO.getMBB()->getSymbol()->print(O, MAI);
-    return;
-  case MachineOperand::MO_GlobalAddress: {
-    bool isMemOp  = Modifier && !strcmp(Modifier, "mem");
-    uint64_t Offset = MO.getOffset();
-
-    // If the global address expression is a part of displacement field with a
-    // register base, we should not emit any prefix symbol here, e.g.
-    //   mov.w &foo, r1
-    // vs
-    //   mov.w glb(r1), r2
-    // Otherwise (!) msp430-as will silently miscompile the output :(
-    if (!Modifier || strcmp(Modifier, "nohash"))
-      O << (isMemOp ? '&' : '#');
-    if (Offset)
-      O << '(' << Offset << '+';
-
-    getSymbol(MO.getGlobal())->print(O, MAI);
-
-    if (Offset)
-      O << ')';
-
-    return;
-  }
-  }
-}
-
-void MSP430AsmPrinter::printSrcMemOperand(const MachineInstr *MI, int OpNum,
-                                          raw_ostream &O) {
-  const MachineOperand &Base = MI->getOperand(OpNum);
-  const MachineOperand &Disp = MI->getOperand(OpNum+1);
-
-  // Print displacement first
-
-  // Imm here is in fact global address - print extra modifier.
-  if (Disp.isImm() && !Base.getReg())
-    O << '&';
-  printOperand(MI, OpNum+1, O, "nohash");
-
-  // Print register base field
-  if (Base.getReg()) {
-    O << '(';
-    printOperand(MI, OpNum, O);
-    O << ')';
-  }
-}
-
-/// PrintAsmOperand - Print out an operand for an inline asm expression.
-///
-bool MSP430AsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
-                                       unsigned AsmVariant,
-                                       const char *ExtraCode, raw_ostream &O) {
-  // Does this asm operand have a single letter operand modifier?
-  if (ExtraCode && ExtraCode[0])
-    return true; // Unknown modifier.
-
-  printOperand(MI, OpNo, O);
-  return false;
-}
-
-bool MSP430AsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI,
-                                             unsigned OpNo, unsigned AsmVariant,
-                                             const char *ExtraCode,
-                                             raw_ostream &O) {
-  if (ExtraCode && ExtraCode[0]) {
-    return true; // Unknown modifier.
-  }
-  printSrcMemOperand(MI, OpNo, O);
-  return false;
-}
-
-//===----------------------------------------------------------------------===//
-void MSP430AsmPrinter::EmitInstruction(const MachineInstr *MI) {
-  MSP430MCInstLower MCInstLowering(OutContext, *this);
-
-  MCInst TmpInst;
-  MCInstLowering.Lower(MI, TmpInst);
-  EmitToStreamer(*OutStreamer, TmpInst);
-}
-
-// Force static initialization.
-extern "C" void LLVMInitializeMSP430AsmPrinter() {
-  RegisterAsmPrinter<MSP430AsmPrinter> X(getTheMSP430Target());
-}