X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FHexagon%2FHexagonAsmPrinter.cpp;h=b5e423ef2b4fa6c2dd14c525ea77d1ecb3c9a827;hb=8525f3a7bcb41496c5316b01ab76c505db193f9d;hp=4d0c5fa63cb57b3b552e695e1153b1372feb1ae9;hpb=ab7955b9ce3197215406bc9fc97b22074127d035;p=oota-llvm.git

diff --git a/lib/Target/Hexagon/HexagonAsmPrinter.cpp b/lib/Target/Hexagon/HexagonAsmPrinter.cpp
index 4d0c5fa63cb..b5e423ef2b4 100644
--- a/lib/Target/Hexagon/HexagonAsmPrinter.cpp
+++ b/lib/Target/Hexagon/HexagonAsmPrinter.cpp
@@ -1,4 +1,4 @@
-//===-- HexagonAsmPrinter.cpp - Print machine instrs to Hexagon assembly ----=//
+//===-- HexagonAsmPrinter.cpp - Print machine instrs to Hexagon assembly --===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -11,251 +11,87 @@
 // of machine-dependent LLVM code to Hexagon assembly language. This printer is
 // the output mechanism used by `llc'.
 //
-// Documentation at http://developer.apple.com/documentation/DeveloperTools/
-// Reference/Assembler/ASMIntroduction/chapter_1_section_1.html
-//
 //===----------------------------------------------------------------------===//
 
-
-#define DEBUG_TYPE "asm-printer"
 #include "Hexagon.h"
-#include "HexagonTargetMachine.h"
-#include "HexagonSubtarget.h"
+#include "HexagonAsmPrinter.h"
 #include "HexagonMachineFunctionInfo.h"
-#include "llvm/Constants.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Module.h"
-#include "llvm/Assembly/Writer.h"
+#include "HexagonSubtarget.h"
+#include "HexagonTargetMachine.h"
+#include "MCTargetDesc/HexagonInstPrinter.h"
+#include "MCTargetDesc/HexagonMCInstrInfo.h"
+#include "MCTargetDesc/HexagonMCShuffler.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/Analysis/ConstantFolding.h"
 #include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/CodeGen/MachineModuleInfo.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
 #include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
-#include "llvm/MC/MCStreamer.h"
+#include "llvm/CodeGen/MachineModuleInfo.h"
+#include "llvm/IR/Constants.h"
+#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/Mangler.h"
+#include "llvm/IR/Module.h"
 #include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCInst.h"
+#include "llvm/MC/MCSection.h"
+#include "llvm/MC/MCStreamer.h"
 #include "llvm/MC/MCSymbol.h"
-#include "llvm/Support/MathExtras.h"
-#include "llvm/Support/MathExtras.h"
 #include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Debug.h"
 #include "llvm/Support/Compiler.h"
+#include "llvm/Support/Debug.h"
+#include "llvm/Support/Format.h"
+#include "llvm/Support/MathExtras.h"
+#include "llvm/Support/TargetRegistry.h"
 #include "llvm/Support/raw_ostream.h"
-#include "llvm/Target/Mangler.h"
-#include "llvm/Target/TargetData.h"
-#include "llvm/Target/TargetLoweringObjectFile.h"
-#include "llvm/Target/TargetRegisterInfo.h"
 #include "llvm/Target/TargetInstrInfo.h"
+#include "llvm/Target/TargetLoweringObjectFile.h"
 #include "llvm/Target/TargetOptions.h"
-#include "llvm/ADT/SmallPtrSet.h"
-#include "llvm/ADT/SmallString.h"
-#include "llvm/ADT/StringExtras.h"
-#include "llvm/Support/TargetRegistry.h"
-#include "llvm/Support/raw_ostream.h"
+#include "llvm/Target/TargetRegisterInfo.h"
 
 using namespace llvm;
 
+#define DEBUG_TYPE "asm-printer"
+
 static cl::opt<bool> AlignCalls(
          "hexagon-align-calls", cl::Hidden, cl::init(true),
           cl::desc("Insert falign after call instruction for Hexagon target"));
 
+HexagonAsmPrinter::HexagonAsmPrinter(TargetMachine &TM,
+                                     std::unique_ptr<MCStreamer> Streamer)
+    : AsmPrinter(TM, std::move(Streamer)), Subtarget(nullptr) {}
 
-namespace {
-  class HexagonAsmPrinter : public AsmPrinter {
-    const HexagonSubtarget *Subtarget;
-
-  public:
-    explicit HexagonAsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
-      : AsmPrinter(TM, Streamer) {
-      Subtarget = &TM.getSubtarget<HexagonSubtarget>();
-    }
-
-    virtual const char *getPassName() const {
-      return "Hexagon Assembly Printer";
-    }
-
-    /// printInstruction - This method is automatically generated by tablegen
-    /// from the instruction set description.  This method returns true if the
-    /// machine instruction was sufficiently described to print it, otherwise it
-    void printInstruction(const MachineInstr *MI, raw_ostream &O);
-    virtual void EmitInstruction(const MachineInstr *MI);
-
-    void printOp(const MachineOperand &MO, raw_ostream &O);
-
-    /// printRegister - Print register according to target requirements.
-    ///
-    void printRegister(const MachineOperand &MO, bool R0AsZero,
-                       raw_ostream &O) {
-      unsigned RegNo = MO.getReg();
-      assert(TargetRegisterInfo::isPhysicalRegister(RegNo) && "Not physreg??");
-      O << getRegisterName(RegNo);
-    }
-
-    void printOperand(const MachineInstr *MI, unsigned OpNo, raw_ostream &OS) {
-      const MachineOperand &MO = MI->getOperand(OpNo);
-      if (MO.isReg()) {
-        printRegister(MO, false, OS);
-      } else if (MO.isImm()) {
-        OS << MO.getImm();
-      } else {
-        printOp(MO, OS);
-      }
-    }
-
-
-    bool isBlockOnlyReachableByFallthrough(const MachineBasicBlock *MBB) const;
-
-    bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
-                         unsigned AsmVariant, const char *ExtraCode,
-                         raw_ostream &OS);
-    bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
-                               unsigned AsmVariant, const char *ExtraCode,
-                               raw_ostream &OS);
-
-
-    void printHexagonImmOperand(const MachineInstr *MI, unsigned OpNo,
-                                raw_ostream &O) {
-      int value = MI->getOperand(OpNo).getImm();
-      O << value;
-    }
-
-
-    void printHexagonNegImmOperand(const MachineInstr *MI, unsigned OpNo,
-                                   raw_ostream &O) {
-      int value = MI->getOperand(OpNo).getImm();
-      O << -value;
-    }
-
-    void printHexagonNOneImmOperand(const MachineInstr *MI, unsigned OpNo,
-                                    raw_ostream &O) const {
-      O << -1;
-    }
-
-    void printHexagonMEMriOperand(const MachineInstr *MI, unsigned OpNo,
-                                  raw_ostream &O) {
-      const MachineOperand &MO1 = MI->getOperand(OpNo);
-      const MachineOperand &MO2 = MI->getOperand(OpNo+1);
-
-      O << getRegisterName(MO1.getReg())
-        << " + #"
-        << (int) MO2.getImm();
-    }
-
-
-    void printHexagonFrameIndexOperand(const MachineInstr *MI, unsigned OpNo,
-                                       raw_ostream &O) {
-      const MachineOperand &MO1 = MI->getOperand(OpNo);
-      const MachineOperand &MO2 = MI->getOperand(OpNo+1);
-
-      O << getRegisterName(MO1.getReg())
-        << ", #"
-        << MO2.getImm();
-    }
-
-    void printBranchOperand(const MachineInstr *MI, unsigned OpNo,
-                            raw_ostream &O) {
-      // Branches can take an immediate operand.  This is used by the branch
-      // selection pass to print $+8, an eight byte displacement from the PC.
-      if (MI->getOperand(OpNo).isImm()) {
-        O << "$+" << MI->getOperand(OpNo).getImm()*4;
-      } else {
-        printOp(MI->getOperand(OpNo), O);
-      }
-    }
-
-    void printCallOperand(const MachineInstr *MI, unsigned OpNo,
-                          raw_ostream &O) {
-    }
-
-    void printAbsAddrOperand(const MachineInstr *MI, unsigned OpNo,
-                            raw_ostream &O) {
-    }
-
-
-    void printSymbolHi(const MachineInstr *MI, unsigned OpNo, raw_ostream &O) {
-      O << "#HI(";
-      if (MI->getOperand(OpNo).isImm()) {
-        printHexagonImmOperand(MI, OpNo, O);
-      } else {
-        printOp(MI->getOperand(OpNo), O);
-      }
-      O << ")";
-    }
-
-    void printSymbolLo(const MachineInstr *MI, unsigned OpNo, raw_ostream &O) {
-      O << "#HI(";
-      if (MI->getOperand(OpNo).isImm()) {
-        printHexagonImmOperand(MI, OpNo, O);
-      } else {
-        printOp(MI->getOperand(OpNo), O);
-      }
-      O << ")";
-    }
-
-    void printPredicateOperand(const MachineInstr *MI, unsigned OpNo,
-                               raw_ostream &O);
-
-    void printAddrModeBasePlusOffset(const MachineInstr *MI, int OpNo,
-                                     raw_ostream &O);
-
-    void printGlobalOperand(const MachineInstr *MI, int OpNo, raw_ostream &O);
-    void printJumpTable(const MachineInstr *MI, int OpNo, raw_ostream &O);
-
-    void EmitAlignment(unsigned NumBits, const GlobalValue *GV = 0) const;
-
-    static const char *getRegisterName(unsigned RegNo);
-  };
-
-} // end of anonymous namespace
-
-// Include the auto-generated portion of the assembly writer.
-#include "HexagonGenAsmWriter.inc"
-
-
-void HexagonAsmPrinter::EmitAlignment(unsigned NumBits,
-                                      const GlobalValue *GV) const {
-
-  // For basic block level alignment, use falign.
-  if (!GV) {
-    OutStreamer.EmitRawText(StringRef("\t.falign"));
-    return;
-  }
-
-  AsmPrinter::EmitAlignment(NumBits, GV);
-}
+void HexagonAsmPrinter::printOperand(const MachineInstr *MI, unsigned OpNo,
+                                    raw_ostream &O) {
+  const MachineOperand &MO = MI->getOperand(OpNo);
 
-void HexagonAsmPrinter::printOp(const MachineOperand &MO, raw_ostream &O) {
   switch (MO.getType()) {
+  default: llvm_unreachable ("<unknown operand type>");
+  case MachineOperand::MO_Register:
+    O << HexagonInstPrinter::getRegisterName(MO.getReg());
+    return;
   case MachineOperand::MO_Immediate:
-    dbgs() << "printOp() does not handle immediate values\n";
-    abort();
-
-  case MachineOperand::MO_MachineBasicBlock:
-    O << *MO.getMBB()->getSymbol();
+    O << MO.getImm();
     return;
-  case MachineOperand::MO_JumpTableIndex:
-    O << *GetJTISymbol(MO.getIndex());
-    // FIXME: PIC relocation model.
+  case MachineOperand::MO_MachineBasicBlock:
+    MO.getMBB()->getSymbol()->print(O, MAI);
     return;
   case MachineOperand::MO_ConstantPoolIndex:
-    O << *GetCPISymbol(MO.getIndex());
-    return;
-  case MachineOperand::MO_ExternalSymbol:
-    O << *GetExternalSymbolSymbol(MO.getSymbolName());
+    GetCPISymbol(MO.getIndex())->print(O, MAI);
     return;
-  case MachineOperand::MO_GlobalAddress: {
+  case MachineOperand::MO_GlobalAddress:
     // Computing the address of a global symbol, not calling it.
-    O << *Mang->getSymbol(MO.getGlobal());
+    getSymbol(MO.getGlobal())->print(O, MAI);
     printOffset(MO.getOffset(), O);
     return;
   }
-
-  default:
-    O << "<unknown operand type: " << MO.getType() << ">";
-    return;
-  }
 }
 
-
 //
 // isBlockOnlyReachableByFallthrough - We need to override this since the
 // default AsmPrinter does not print labels for any basic block that
@@ -278,13 +114,15 @@ isBlockOnlyReachableByFallthrough(const MachineBasicBlock *MBB) const {
 bool HexagonAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
                                         unsigned AsmVariant,
                                         const char *ExtraCode,
-                                      raw_ostream &OS) {
+                                        raw_ostream &OS) {
   // Does this asm operand have a single letter operand modifier?
   if (ExtraCode && ExtraCode[0]) {
     if (ExtraCode[1] != 0) return true; // Unknown modifier.
 
     switch (ExtraCode[0]) {
-    default: return true;  // Unknown modifier.
+    default:
+      // See if this is a generic print operand
+      return AsmPrinter::PrintAsmOperand(MI, OpNo, AsmVariant, ExtraCode, OS);
     case 'c': // Don't print "$" before a global var name or constant.
       // Hexagon never has a prefix.
       printOperand(MI, OpNo, OS);
@@ -335,223 +173,45 @@ bool HexagonAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI,
   return false;
 }
 
-void HexagonAsmPrinter::printPredicateOperand(const MachineInstr *MI,
-                                              unsigned OpNo,
-                                              raw_ostream &O) {
-  llvm_unreachable("Unimplemented");
-}
-
 
 /// printMachineInstruction -- Print out a single Hexagon MI in Darwin syntax to
 /// the current output stream.
 ///
 void HexagonAsmPrinter::EmitInstruction(const MachineInstr *MI) {
-  SmallString<128> Str;
-  raw_svector_ostream O(Str);
-
-  const MachineFunction* MF = MI->getParent()->getParent();
-  const HexagonMachineFunctionInfo* MFI =
-    (const HexagonMachineFunctionInfo*)
-    MF->getInfo<HexagonMachineFunctionInfo>();
-
-
-
-  // Print a brace for the beginning of the packet.
-  if (MFI->isStartPacket(MI)) {
-    O << "\t{" << '\n';
-  }
-
-  DEBUG( O << "// MI = " << *MI << '\n';);
-
-  // Indent
-  O << "\t";
-
-
-  if (MI->getOpcode() == Hexagon::ENDLOOP0) {
-    if (MFI->isEndPacket(MI) && MFI->isStartPacket(MI)) {
-      O << "\t{ nop }";
-    } else {
-    O << "}";
+  MCInst MCB;
+  MCB.setOpcode(Hexagon::BUNDLE);
+  MCB.addOperand(MCOperand::createImm(0));
+
+  if (MI->isBundle()) {
+    const MachineBasicBlock* MBB = MI->getParent();
+    MachineBasicBlock::const_instr_iterator MII = MI->getIterator();
+    unsigned IgnoreCount = 0;
+
+    for (++MII; MII != MBB->instr_end() && MII->isInsideBundle(); ++MII) {
+      if (MII->getOpcode() == TargetOpcode::DBG_VALUE ||
+          MII->getOpcode() == TargetOpcode::IMPLICIT_DEF)
+        ++IgnoreCount;
+      else {
+        HexagonLowerToMC(&*MII, MCB, *this);
+      }
     }
-    printInstruction(MI, O);
-  } else if (MI->getOpcode() == Hexagon::STriwt) {
-    //
-    // Handle truncated store on Hexagon.
-    //
-    O << "\tmemw(";
-    printHexagonMEMriOperand(MI, 0, O);
-
-    O << ") = ";
-    unsigned SubRegNum =
-      TM.getRegisterInfo()->getSubReg(MI->getOperand(2)
-                                      .getReg(), Hexagon::subreg_loreg);
-    const char *SubRegName = getRegisterName(SubRegNum);
-    O << SubRegName << '\n';
-  } else if (MI->getOpcode() == Hexagon::MPYI_rin) {
-    // Handle multipy with -ve constant on Hexagon:
-    // "$dst =- mpyi($src1, #$src2)"
-      printOperand(MI, 0, O);
-    O << " =- mpyi(";
-    printOperand(MI, 1, O);
-    O << ", #";
-    printHexagonNegImmOperand(MI, 2, O);
-    O << ")";
-  } else if (MI->getOpcode() == Hexagon::MEMw_ADDSUBi_indexed_MEM_V4) {
-    //
-    // Handle memw(Rs+u6:2) [+-]= #U5
-    //
-    O << "\tmemw("; printHexagonMEMriOperand(MI, 0, O); O << ") ";
-    int addend = MI->getOperand(2).getImm();
-    if (addend < 0)
-      O << "-= " << "#" << -addend << '\n';
-    else
-      O << "+= " << "#" << addend << '\n';
-  } else if (MI->getOpcode() == Hexagon::MEMw_ADDSUBi_MEM_V4) {
-    //
-    // Handle memw(Rs+u6:2) [+-]= #U5
-    //
-    O << "\tmemw("; printHexagonMEMriOperand(MI, 0, O); O << ") ";
-    int addend = MI->getOperand(2).getImm();
-    if (addend < 0)
-      O << "-= " << "#" << -addend << '\n';
-    else
-      O << "+= " << "#" << addend << '\n';
-  } else if (MI->getOpcode() == Hexagon::MEMh_ADDSUBi_indexed_MEM_V4) {
-    //
-    // Handle memh(Rs+u6:1) [+-]= #U5
-    //
-    O << "\tmemh("; printHexagonMEMriOperand(MI, 0, O); O << ") ";
-    int addend = MI->getOperand(2).getImm();
-    if (addend < 0)
-      O << "-= " << "#" << -addend << '\n';
-    else
-      O << "+= " << "#" << addend << '\n';
-  } else if (MI->getOpcode() == Hexagon::MEMh_ADDSUBi_MEM_V4) {
-    //
-    // Handle memh(Rs+u6:1) [+-]= #U5
-    //
-    O << "\tmemh("; printHexagonMEMriOperand(MI, 0, O); O << ") ";
-    int addend = MI->getOperand(2).getImm();
-    if (addend < 0)
-      O << "-= " << "#" << -addend << '\n';
-    else
-      O << "+= " << "#" << addend << '\n';
-  } else if (MI->getOpcode() == Hexagon::MEMb_ADDSUBi_indexed_MEM_V4) {
-    //
-    // Handle memb(Rs+u6:1) [+-]= #U5
-    //
-    O << "\tmemb("; printHexagonMEMriOperand(MI, 0, O); O << ") ";
-    int addend = MI->getOperand(2).getImm();
-    if (addend < 0)
-      O << "-= " << "#" << -addend << '\n';
-    else
-      O << "+= " << "#" << addend << '\n';
-  } else if (MI->getOpcode() == Hexagon::MEMb_ADDSUBi_MEM_V4) {
-    //
-    // Handle memb(Rs+u6:1) [+-]= #U5
-    //
-    O << "\tmemb("; printHexagonMEMriOperand(MI, 0, O); O << ") ";
-    int addend = MI->getOperand(2).getImm();
-    if (addend < 0)
-      O << "-= " << "#" << -addend << '\n';
-    else
-      O << "+= " << "#" << addend << '\n';
-  } else if (MI->getOpcode() == Hexagon::CMPbGTri_V4) {
-    //
-    // Handle Pd=cmpb.gt(Rs,#s8)
-    //
-    O << "\t";
-    printRegister(MI->getOperand(0), false, O);
-    O << " = cmpb.gt(";
-    printRegister(MI->getOperand(1), false, O);
-    O << ", ";
-    int val = MI->getOperand(2).getImm() >> 24;
-    O << "#" << val << ")" << '\n';
-  } else if (MI->getOpcode() == Hexagon::CMPhEQri_V4) {
-    //
-    // Handle Pd=cmph.eq(Rs,#8)
-    //
-    O << "\t";
-    printRegister(MI->getOperand(0), false, O);
-    O << " = cmph.eq(";
-    printRegister(MI->getOperand(1), false, O);
-    O << ", ";
-    int val = MI->getOperand(2).getImm();
-    assert((((0 <= val) && (val <= 127)) ||
-            ((65408 <= val) && (val <= 65535))) &&
-           "Not in correct range!");
-    if (val >= 65408) val -= 65536;
-    O << "#" << val << ")" << '\n';
-  } else if (MI->getOpcode() == Hexagon::CMPhGTri_V4) {
-    //
-    // Handle Pd=cmph.gt(Rs,#8)
-    //
-    O << "\t";
-    printRegister(MI->getOperand(0), false, O);
-    O << " = cmph.gt(";
-    printRegister(MI->getOperand(1), false, O);
-    O << ", ";
-    int val = MI->getOperand(2).getImm() >> 16;
-    O << "#" << val << ")" << '\n';
-  } else {
-    printInstruction(MI, O);
-  }
-
-  // Print a brace for the end of the packet.
-  if (MFI->isEndPacket(MI) && MI->getOpcode() != Hexagon::ENDLOOP0) {
-    O << "\n\t}" << '\n';
-  }
-
-  if (AlignCalls && MI->getDesc().isCall()) {
-    O << "\n\t.falign" << "\n";
   }
-
-  OutStreamer.EmitRawText(O.str());
-  return;
-}
-
-/// PrintUnmangledNameSafely - Print out the printable characters in the name.
-/// Don't print things like \n or \0.
-// static void PrintUnmangledNameSafely(const Value *V, raw_ostream &OS) {
-//   for (const char *Name = V->getNameStart(), *E = Name+V->getNameLen();
-//        Name != E; ++Name)
-//     if (isprint(*Name))
-//       OS << *Name;
-// }
-
-
-void HexagonAsmPrinter::printAddrModeBasePlusOffset(const MachineInstr *MI,
-                                                    int OpNo, raw_ostream &O) {
-  const MachineOperand &MO1 = MI->getOperand(OpNo);
-  const MachineOperand &MO2 = MI->getOperand(OpNo+1);
-
-  O << getRegisterName(MO1.getReg())
-    << " + #"
-    << MO2.getImm();
-}
-
-
-void HexagonAsmPrinter::printGlobalOperand(const MachineInstr *MI, int OpNo,
-                                           raw_ostream &O) {
-  const MachineOperand &MO = MI->getOperand(OpNo);
-  assert( (MO.getType() == MachineOperand::MO_GlobalAddress) &&
-         "Expecting global address");
-
-  O << *Mang->getSymbol(MO.getGlobal());
-  if (MO.getOffset() != 0) {
-    O << " + ";
-    O << MO.getOffset();
+  else {
+    HexagonLowerToMC(MI, MCB, *this);
+    HexagonMCInstrInfo::padEndloop(MCB);
   }
-}
-
-void HexagonAsmPrinter::printJumpTable(const MachineInstr *MI, int OpNo,
-                                       raw_ostream &O) {
-  const MachineOperand &MO = MI->getOperand(OpNo);
-  assert( (MO.getType() == MachineOperand::MO_JumpTableIndex) &&
-	  "Expecting jump table index");
-
-  // Hexagon_TODO: Do we need name mangling?
-  O << *GetJTISymbol(MO.getIndex());
+  // Examine the packet and try to find instructions that can be converted
+  // to compounds.
+  HexagonMCInstrInfo::tryCompound(*Subtarget->getInstrInfo(),
+                                  OutStreamer->getContext(), MCB);
+  // Examine the packet and convert pairs of instructions to duplex
+  // instructions when possible.
+  SmallVector<DuplexCandidate, 8> possibleDuplexes;
+  possibleDuplexes = HexagonMCInstrInfo::getDuplexPossibilties(
+      *Subtarget->getInstrInfo(), MCB);
+  HexagonMCShuffle(*Subtarget->getInstrInfo(), *Subtarget,
+                   OutStreamer->getContext(), MCB, possibleDuplexes);
+  EmitToStreamer(*OutStreamer, MCB);
 }
 
 extern "C" void LLVMInitializeHexagonAsmPrinter() {