1 files changed, 0 insertions, 442 deletions
diff --git a/lib/Target/PIC16/PIC16AsmPrinter.cpp b/lib/Target/PIC16/PIC16AsmPrinter.cpp
deleted file mode 100644
index 1fc1cc1..0000000
--- a/lib/Target/PIC16/PIC16AsmPrinter.cpp
+++ /dev/null
@@ -1,442 +0,0 @@
-//===-- PIC16AsmPrinter.cpp - PIC16 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 PIC16 assembly language.
-//
-//===----------------------------------------------------------------------===//
-
-#include "PIC16AsmPrinter.h"
-#include "PIC16TargetAsmInfo.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Function.h"
-#include "llvm/Module.h"
-#include "llvm/CodeGen/DwarfWriter.h"
-#include "llvm/CodeGen/MachineFrameInfo.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/Support/Mangler.h"
-#include "llvm/CodeGen/DwarfWriter.h"
-#include "llvm/CodeGen/MachineModuleInfo.h"
-
-using namespace llvm;
-
-#include "PIC16GenAsmWriter.inc"
-
-bool PIC16AsmPrinter::printMachineInstruction(const MachineInstr *MI) {
-  printInstruction(MI);
-  return true;
-}
-
-/// runOnMachineFunction - This emits the frame section, autos section and 
-/// assembly for each instruction. Also takes care of function begin debug
-/// directive and file begin debug directive (if required) for the function.
-///
-bool PIC16AsmPrinter::runOnMachineFunction(MachineFunction &MF) {
-  this->MF = &MF;
-
-  // This calls the base class function required to be called at beginning
-  // of runOnMachineFunction.
-  SetupMachineFunction(MF);
-
-  // Get the mangled name.
-  const Function *F = MF.getFunction();
-  CurrentFnName = Mang->getValueName(F);
-
-  // Emit the function frame (args and temps).
-  EmitFunctionFrame(MF);
-
-  DbgInfo.BeginFunction(MF);
-
-  // Emit the autos section of function.
-  EmitAutos(CurrentFnName);
-
-  // Now emit the instructions of function in its code section.
-  const char *codeSection = PAN::getCodeSectionName(CurrentFnName).c_str();
- 
-  const Section *fCodeSection = TAI->getNamedSection(codeSection,
-                                                     SectionFlags::Code);
-  // Start the Code Section.
-  O <<  "\n";
-  SwitchToSection (fCodeSection);
-
-  // Emit the frame address of the function at the beginning of code.
-  O << "\tretlw  low(" << PAN::getFrameLabel(CurrentFnName) << ")\n";
-  O << "\tretlw  high(" << PAN::getFrameLabel(CurrentFnName) << ")\n";
-
-  // Emit function start label.
-  O << CurrentFnName << ":\n";
-
-  DebugLoc CurDL;
-  O << "\n"; 
-  // Print out code for the function.
-  for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
-       I != E; ++I) {
-
-    // Print a label for the basic block.
-    if (I != MF.begin()) {
-      printBasicBlockLabel(I, true);
-      O << '\n';
-    }
-    
-    // Print a basic block.
-    for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
-         II != E; ++II) {
-
-      // Emit the line directive if source line changed.
-      const DebugLoc DL = II->getDebugLoc();
-      if (!DL.isUnknown() && DL != CurDL) {
-        DbgInfo.ChangeDebugLoc(MF, DL);
-        CurDL = DL;
-      }
-        
-      // Print the assembly for the instruction.
-      printMachineInstruction(II);
-    }
-  }
-  
-  // Emit function end debug directives.
-  DbgInfo.EndFunction(MF);
-
-  return false;  // we didn't modify anything.
-}
-
-/// createPIC16CodePrinterPass - Returns a pass that prints the PIC16
-/// assembly code for a MachineFunction to the given output stream,
-/// using the given target machine description.  This should work
-/// regardless of whether the function is in SSA form.
-///
-FunctionPass *llvm::createPIC16CodePrinterPass(raw_ostream &o,
-                                               PIC16TargetMachine &tm,
-                                               bool verbose) {
-  return new PIC16AsmPrinter(o, tm, tm.getTargetAsmInfo(), verbose);
-}
-
-
-// printOperand - print operand of insn.
-void PIC16AsmPrinter::printOperand(const MachineInstr *MI, int opNum) {
-  const MachineOperand &MO = MI->getOperand(opNum);
-
-  switch (MO.getType()) {
-    case MachineOperand::MO_Register:
-      if (TargetRegisterInfo::isPhysicalRegister(MO.getReg()))
-        O << TM.getRegisterInfo()->get(MO.getReg()).AsmName;
-      else
-        assert(0 && "not implemented");
-        return;
-
-    case MachineOperand::MO_Immediate:
-      O << (int)MO.getImm();
-      return;
-
-    case MachineOperand::MO_GlobalAddress: {
-      O << Mang->getValueName(MO.getGlobal());
-      break;
-    }
-    case MachineOperand::MO_ExternalSymbol: {
-       const char *Sname = MO.getSymbolName();
-
-      // If its a libcall name, record it to decls section.
-      if (PAN::getSymbolTag(Sname) == PAN::LIBCALL) {
-        LibcallDecls.push_back(Sname);
-      }
-
-      O  << Sname;
-      break;
-    }
-    case MachineOperand::MO_MachineBasicBlock:
-      printBasicBlockLabel(MO.getMBB());
-      return;
-
-    default:
-      assert(0 && " Operand type not supported.");
-  }
-}
-
-/// printCCOperand - Print the cond code operand.
-///
-void PIC16AsmPrinter::printCCOperand(const MachineInstr *MI, int opNum) {
-  int CC = (int)MI->getOperand(opNum).getImm();
-  O << PIC16CondCodeToString((PIC16CC::CondCodes)CC);
-}
-
-/// printLibcallDecls - print the extern declarations for compiler 
-/// intrinsics.
-///
-void PIC16AsmPrinter::printLibcallDecls(void) {
-  // If no libcalls used, return.
-  if (LibcallDecls.empty()) return;
-
-  O << TAI->getCommentString() << "External decls for libcalls - BEGIN." <<"\n";
-  // Remove duplicate entries.
-  LibcallDecls.sort();
-  LibcallDecls.unique();
-  for (std::list<const char*>::const_iterator I = LibcallDecls.begin(); 
-       I != LibcallDecls.end(); I++) {
-    O << TAI->getExternDirective() << *I << "\n";
-    O << TAI->getExternDirective() << PAN::getArgsLabel(*I) << "\n";
-    O << TAI->getExternDirective() << PAN::getRetvalLabel(*I) << "\n";
-  }
-  O << TAI->getCommentString() << "External decls for libcalls - END." <<"\n";
-}
-
-/// doInitialization - Perfrom Module level initializations here.
-/// One task that we do here is to sectionize all global variables.
-/// The MemSelOptimizer pass depends on the sectionizing.
-///
-bool PIC16AsmPrinter::doInitialization (Module &M) {
-  bool Result = AsmPrinter::doInitialization(M);
-
-  // FIXME:: This is temporary solution to generate the include file.
-  // The processor should be passed to llc as in input and the header file
-  // should be generated accordingly.
-  O << "\n\t#include P16F1937.INC\n";
-
-  // Set the section names for all globals.
-  for (Module::global_iterator I = M.global_begin(), E = M.global_end();
-       I != E; ++I) {
-    I->setSection(TAI->SectionForGlobal(I)->getName());
-  }
-
-  DbgInfo.BeginModule(M);
-  EmitFunctionDecls(M);
-  EmitUndefinedVars(M);
-  EmitDefinedVars(M);
-  EmitIData(M);
-  EmitUData(M);
-  EmitRomData(M);
-  return Result;
-}
-
-/// Emit extern decls for functions imported from other modules, and emit
-/// global declarations for function defined in this module and which are
-/// available to other modules.
-///
-void PIC16AsmPrinter::EmitFunctionDecls (Module &M) {
- // Emit declarations for external functions.
-  O <<"\n"<<TAI->getCommentString() << "Function Declarations - BEGIN." <<"\n";
-  for (Module::iterator I = M.begin(), E = M.end(); I != E; I++) {
-    std::string Name = Mang->getValueName(I);
-    if (Name.compare("@abort") == 0)
-      continue;
-    
-    // If it is llvm intrinsic call then don't emit
-    if (Name.find("llvm.") != std::string::npos)
-      continue;
-
-    if (! (I->isDeclaration() || I->hasExternalLinkage()))
-      continue;
-
-    const char *directive = I->isDeclaration() ? TAI->getExternDirective() :
-                                                 TAI->getGlobalDirective();
-      
-    O << directive << Name << "\n";
-    O << directive << PAN::getRetvalLabel(Name) << "\n";
-    O << directive << PAN::getArgsLabel(Name) << "\n";
-  }
-
-  O << TAI->getCommentString() << "Function Declarations - END." <<"\n";
-}
-
-// Emit variables imported from other Modules.
-void PIC16AsmPrinter::EmitUndefinedVars (Module &M)
-{
-  std::vector<const GlobalVariable*> Items = PTAI->ExternalVarDecls->Items;
-  if (! Items.size()) return;
-
-  O << "\n" << TAI->getCommentString() << "Imported Variables - BEGIN" << "\n";
-  for (unsigned j = 0; j < Items.size(); j++) {
-    O << TAI->getExternDirective() << Mang->getValueName(Items[j]) << "\n";
-  }
-  O << TAI->getCommentString() << "Imported Variables - END" << "\n";
-}
-
-// Emit variables defined in this module and are available to other modules.
-void PIC16AsmPrinter::EmitDefinedVars (Module &M)
-{
-  std::vector<const GlobalVariable*> Items = PTAI->ExternalVarDefs->Items;
-  if (! Items.size()) return;
-
-  O << "\n" <<  TAI->getCommentString() << "Exported Variables - BEGIN" << "\n";
-  for (unsigned j = 0; j < Items.size(); j++) {
-    O << TAI->getGlobalDirective() << Mang->getValueName(Items[j]) << "\n";
-  }
-  O <<  TAI->getCommentString() << "Exported Variables - END" << "\n";
-}
-
-// Emit initialized data placed in ROM.
-void PIC16AsmPrinter::EmitRomData (Module &M)
-{
-
-  std::vector<const GlobalVariable*> Items = PTAI->ROSection->Items;
-  if (! Items.size()) return;
-
-  // Print ROData ection.
-  O << "\n";
-  SwitchToSection(PTAI->ROSection->S_);
-  for (unsigned j = 0; j < Items.size(); j++) {
-    O << Mang->getValueName(Items[j]);
-    Constant *C = Items[j]->getInitializer();
-    int AddrSpace = Items[j]->getType()->getAddressSpace();
-    EmitGlobalConstant(C, AddrSpace);
-  }
-}
-
-bool PIC16AsmPrinter::doFinalization(Module &M) {
-  printLibcallDecls();
-  EmitRemainingAutos();
-  DbgInfo.EndModule(M);
-  O << "\n\t" << "END\n";
-  bool Result = AsmPrinter::doFinalization(M);
-  return Result;
-}
-
-void PIC16AsmPrinter::EmitFunctionFrame(MachineFunction &MF) {
-  const Function *F = MF.getFunction();
-  std::string FuncName = Mang->getValueName(F);
-  const TargetData *TD = TM.getTargetData();
-  // Emit the data section name.
-  O << "\n"; 
-  const char *SectionName = PAN::getFrameSectionName(CurrentFnName).c_str();
-
-  const Section *fPDataSection = TAI->getNamedSection(SectionName,
-                                                      SectionFlags::Writeable);
-  SwitchToSection(fPDataSection);
-  
-  // Emit function frame label
-  O << PAN::getFrameLabel(CurrentFnName) << ":\n";
-
-  const Type *RetType = F->getReturnType();
-  unsigned RetSize = 0; 
-  if (RetType->getTypeID() != Type::VoidTyID) 
-    RetSize = TD->getTypeAllocSize(RetType);
-  
-  //Emit function return value space
-  // FIXME: Do not emit RetvalLable when retsize is zero. To do this
-  // we will need to avoid printing a global directive for Retval label
-  // in emitExternandGloblas.
-  if(RetSize > 0)
-     O << PAN::getRetvalLabel(CurrentFnName) << " RES " << RetSize << "\n";
-  else
-     O << PAN::getRetvalLabel(CurrentFnName) << ": \n";
-   
-  // Emit variable to hold the space for function arguments 
-  unsigned ArgSize = 0;
-  for (Function::const_arg_iterator argi = F->arg_begin(),
-           arge = F->arg_end(); argi != arge ; ++argi) {
-    const Type *Ty = argi->getType();
-    ArgSize += TD->getTypeAllocSize(Ty);
-   }
-
-  O << PAN::getArgsLabel(CurrentFnName) << " RES " << ArgSize << "\n";
-
-  // Emit temporary space
-  int TempSize = PTLI->GetTmpSize();
-  if (TempSize > 0 )
-    O << PAN::getTempdataLabel(CurrentFnName) << " RES  " << TempSize <<"\n";
-}
-
-void PIC16AsmPrinter::EmitIData (Module &M) {
-
-  // Print all IDATA sections.
-  std::vector <PIC16Section *>IDATASections = PTAI->IDATASections;
-  for (unsigned i = 0; i < IDATASections.size(); i++) {
-    O << "\n";
-    SwitchToSection(IDATASections[i]->S_);
-    std::vector<const GlobalVariable*> Items = IDATASections[i]->Items;
-    for (unsigned j = 0; j < Items.size(); j++) {
-      std::string Name = Mang->getValueName(Items[j]);
-      Constant *C = Items[j]->getInitializer();
-      int AddrSpace = Items[j]->getType()->getAddressSpace();
-      O << Name;
-      EmitGlobalConstant(C, AddrSpace);
-    }
-  }
-}
-
-void PIC16AsmPrinter::EmitUData (Module &M) {
-  const TargetData *TD = TM.getTargetData();
-
-  // Print all BSS sections.
-  std::vector <PIC16Section *>BSSSections = PTAI->BSSSections;
-  for (unsigned i = 0; i < BSSSections.size(); i++) {
-    O << "\n";
-    SwitchToSection(BSSSections[i]->S_);
-    std::vector<const GlobalVariable*> Items = BSSSections[i]->Items;
-    for (unsigned j = 0; j < Items.size(); j++) {
-      std::string Name = Mang->getValueName(Items[j]);
-      Constant *C = Items[j]->getInitializer();
-      const Type *Ty = C->getType();
-      unsigned Size = TD->getTypeAllocSize(Ty);
-
-      O << Name << " " <<"RES"<< " " << Size ;
-      O << "\n";
-    }
-  }
-}
-
-void PIC16AsmPrinter::EmitAutos (std::string FunctName)
-{
-  // Section names for all globals are already set.
-
-  const TargetData *TD = TM.getTargetData();
-
-  // Now print Autos section for this function.
-  std::string SectionName = PAN::getAutosSectionName(FunctName);
-  std::vector <PIC16Section *>AutosSections = PTAI->AutosSections;
-  for (unsigned i = 0; i < AutosSections.size(); i++) {
-    O << "\n";
-    if (AutosSections[i]->S_->getName() == SectionName) { 
-      // Set the printing status to true
-      AutosSections[i]->setPrintedStatus(true);
-      SwitchToSection(AutosSections[i]->S_);
-      std::vector<const GlobalVariable*> Items = AutosSections[i]->Items;
-      for (unsigned j = 0; j < Items.size(); j++) {
-        std::string VarName = Mang->getValueName(Items[j]);
-        Constant *C = Items[j]->getInitializer();
-        const Type *Ty = C->getType();
-        unsigned Size = TD->getTypeAllocSize(Ty);
-        // Emit memory reserve directive.
-        O << VarName << "  RES  " << Size << "\n";
-      }
-      break;
-    }
-  }
-}
-
-// Print autos that were not printed during the code printing of functions.
-// As the functions might themselves would have got deleted by the optimizer.
-void PIC16AsmPrinter::EmitRemainingAutos()
-{
-  const TargetData *TD = TM.getTargetData();
-
-  // Now print Autos section for this function.
-  std::vector <PIC16Section *>AutosSections = PTAI->AutosSections;
-  for (unsigned i = 0; i < AutosSections.size(); i++) {
-    
-    // if the section is already printed then don't print again
-    if (AutosSections[i]->isPrinted()) 
-      continue;
-
-    // Set status as printed
-    AutosSections[i]->setPrintedStatus(true);
-
-    O << "\n";
-    SwitchToSection(AutosSections[i]->S_);
-    std::vector<const GlobalVariable*> Items = AutosSections[i]->Items;
-    for (unsigned j = 0; j < Items.size(); j++) {
-      std::string VarName = Mang->getValueName(Items[j]);
-      Constant *C = Items[j]->getInitializer();
-      const Type *Ty = C->getType();
-      unsigned Size = TD->getTypeAllocSize(Ty);
-      // Emit memory reserve directive.
-      O << VarName << "  RES  " << Size << "\n";
-    }
-  }
-}
-