1 //===-- MCInstPrinter.cpp - Convert an MCInst to target assembly syntax ---===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "llvm/MC/MCInstPrinter.h" 11 #include "llvm/ADT/StringRef.h" 12 #include "llvm/MC/MCAsmInfo.h" 13 #include "llvm/MC/MCInstrInfo.h" 14 #include "llvm/Support/ErrorHandling.h" 15 #include "llvm/Support/Format.h" 16 #include "llvm/Support/raw_ostream.h" 17 using namespace llvm; 18 19 MCInstPrinter::~MCInstPrinter() { 20 } 21 22 /// getOpcodeName - Return the name of the specified opcode enum (e.g. 23 /// "MOV32ri") or empty if we can't resolve it. 24 StringRef MCInstPrinter::getOpcodeName(unsigned Opcode) const { 25 return MII.getName(Opcode); 26 } 27 28 void MCInstPrinter::printRegName(raw_ostream &OS, unsigned RegNo) const { 29 llvm_unreachable("Target should implement this"); 30 } 31 32 void MCInstPrinter::printAnnotation(raw_ostream &OS, StringRef Annot) { 33 if (!Annot.empty()) { 34 if (CommentStream) 35 (*CommentStream) << Annot; 36 else 37 OS << " " << MAI.getCommentString() << " " << Annot; 38 } 39 } 40 41 /// Utility functions to make adding mark ups simpler. 42 StringRef MCInstPrinter::markup(StringRef s) const { 43 if (getUseMarkup()) 44 return s; 45 else 46 return ""; 47 } 48 StringRef MCInstPrinter::markup(StringRef a, StringRef b) const { 49 if (getUseMarkup()) 50 return a; 51 else 52 return b; 53 } 54 55 /// Utility function to print immediates in decimal or hex. 56 format_object1<int64_t> MCInstPrinter::formatImm(const int64_t Value) const { 57 if (getPrintImmHex()) 58 return format("0x%" PRIx64, Value); 59 else 60 return format("%" PRId64, Value); 61 } 62
