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diff --git a/contrib/llvm/lib/Target/PIC16/AsmPrinter/PIC16AsmPrinter.cpp b/contrib/llvm/lib/Target/PIC16/AsmPrinter/PIC16AsmPrinter.cpp
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--- a/contrib/llvm/lib/Target/PIC16/AsmPrinter/PIC16AsmPrinter.cpp
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-//===-- 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 "PIC16ABINames.h"
-#include "PIC16AsmPrinter.h"
-#include "PIC16Section.h"
-#include "PIC16MCAsmInfo.h"
-#include "PIC16MachineFunctionInfo.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Function.h"
-#include "llvm/Module.h"
-#include "llvm/CodeGen/MachineFrameInfo.h"
-#include "llvm/CodeGen/MachineModuleInfo.h"
-#include "llvm/MC/MCStreamer.h"
-#include "llvm/MC/MCSymbol.h"
-#include "llvm/Target/Mangler.h"
-#include "llvm/Target/TargetRegistry.h"
-#include "llvm/Target/TargetLoweringObjectFile.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/ADT/SmallString.h"
-#include <cstring>
-using namespace llvm;
-
-#include "PIC16GenAsmWriter.inc"
-
-PIC16AsmPrinter::PIC16AsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
-: AsmPrinter(TM, Streamer), DbgInfo(Streamer, TM.getMCAsmInfo()) {
- PMAI = static_cast<const PIC16MCAsmInfo*>(TM.getMCAsmInfo());
- PTOF = &getObjFileLowering();
-}
-
-void PIC16AsmPrinter::EmitInstruction(const MachineInstr *MI) {
- SmallString<128> Str;
- raw_svector_ostream OS(Str);
- printInstruction(MI, OS);
-
- OutStreamer.EmitRawText(OS.str());
-}
-
-static int getFunctionColor(const Function *F) {
- if (F->hasSection()) {
- std::string Sectn = F->getSection();
- std::string StrToFind = "Overlay=";
- std::string::size_type Pos = Sectn.find(StrToFind);
-
- // Retreive the color number if the key is found.
- if (Pos != std::string::npos) {
- Pos += StrToFind.length();
- std::string Color = "";
- char c = Sectn.at(Pos);
- // A Color can only consist of digits.
- while (c >= '0' && c<= '9') {
- Color.append(1,c);
- Pos++;
- if (Pos >= Sectn.length())
- break;
- c = Sectn.at(Pos);
- }
- return atoi(Color.c_str());
- }
- }
-
- // Color was not set for function, so return -1.
- return -1;
-}
-
-// Color the Auto section of the given function.
-void PIC16AsmPrinter::ColorAutoSection(const Function *F) {
- std::string SectionName = PAN::getAutosSectionName(CurrentFnSym->getName());
- PIC16Section* Section = PTOF->findPIC16Section(SectionName);
- if (Section != NULL) {
- int Color = getFunctionColor(F);
- if (Color >= 0)
- Section->setColor(Color);
- }
-}
-
-
-/// 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 calls the base class function required to be called at beginning
- // of runOnMachineFunction.
- SetupMachineFunction(MF);
-
- // Put the color information from function to its auto section.
- const Function *F = MF.getFunction();
- ColorAutoSection(F);
-
- // Emit the function frame (args and temps).
- EmitFunctionFrame(MF);
-
- DbgInfo.BeginFunction(MF);
-
- // Now emit the instructions of function in its code section.
- const MCSection *fCodeSection =
- getObjFileLowering().SectionForCode(CurrentFnSym->getName(),
- PAN::isISR(F->getSection()));
-
- // Start the Code Section.
- OutStreamer.SwitchSection(fCodeSection);
-
- // Emit the frame address of the function at the beginning of code.
- OutStreamer.EmitRawText("\tretlw low(" +
- Twine(PAN::getFrameLabel(CurrentFnSym->getName())) +
- ")");
- OutStreamer.EmitRawText("\tretlw high(" +
- Twine(PAN::getFrameLabel(CurrentFnSym->getName())) +
- ")");
-
- // Emit function start label.
- OutStreamer.EmitLabel(CurrentFnSym);
-
- DebugLoc CurDL;
- // 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())
- EmitBasicBlockStart(I);
-
- // 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.
- DebugLoc DL = II->getDebugLoc();
- if (!DL.isUnknown() && DL != CurDL) {
- DbgInfo.ChangeDebugLoc(MF, DL);
- CurDL = DL;
- }
-
- // Print the assembly for the instruction.
- EmitInstruction(II);
- }
- }
-
- // Emit function end debug directives.
- DbgInfo.EndFunction(MF);
-
- return false; // we didn't modify anything.
-}
-
-
-// printOperand - print operand of insn.
-void PIC16AsmPrinter::printOperand(const MachineInstr *MI, int opNum,
- raw_ostream &O) {
- const MachineOperand &MO = MI->getOperand(opNum);
- const Function *F = MI->getParent()->getParent()->getFunction();
-
- switch (MO.getType()) {
- case MachineOperand::MO_Register:
- {
- // For indirect load/store insns, the fsr name is printed as INDF.
- std::string RegName = getRegisterName(MO.getReg());
- if ((MI->getOpcode() == PIC16::load_indirect) ||
- (MI->getOpcode() == PIC16::store_indirect))
- RegName.replace (0, 3, "INDF");
- O << RegName;
- }
- return;
-
- case MachineOperand::MO_Immediate:
- O << (int)MO.getImm();
- return;
-
- case MachineOperand::MO_GlobalAddress: {
- MCSymbol *Sym = Mang->getSymbol(MO.getGlobal());
- // FIXME: currently we do not have a memcpy def coming in the module
- // by any chance, as we do not link in those as .bc lib. So these calls
- // are always external and it is safe to emit an extern.
- if (PAN::isMemIntrinsic(Sym->getName()))
- LibcallDecls.insert(Sym->getName());
-
- O << *Sym;
- break;
- }
- case MachineOperand::MO_ExternalSymbol: {
- const char *Sname = MO.getSymbolName();
- std::string Printname = Sname;
-
- // Intrinsic stuff needs to be renamed if we are printing IL fn.
- if (PAN::isIntrinsicStuff(Printname)) {
- if (PAN::isISR(F->getSection())) {
- Printname = PAN::Rename(Sname);
- }
- // Record these decls, we need to print them in asm as extern.
- LibcallDecls.insert(Printname);
- }
-
- O << Printname;
- break;
- }
- case MachineOperand::MO_MachineBasicBlock:
- O << *MO.getMBB()->getSymbol();
- return;
-
- default:
- llvm_unreachable(" Operand type not supported.");
- }
-}
-
-/// printCCOperand - Print the cond code operand.
-///
-void PIC16AsmPrinter::printCCOperand(const MachineInstr *MI, int opNum,
- raw_ostream &O) {
- int CC = (int)MI->getOperand(opNum).getImm();
- O << PIC16CondCodeToString((PIC16CC::CondCodes)CC);
-}
-
-/// printLibcallDecls - print the extern declarations for compiler
-/// intrinsics.
-///
-void PIC16AsmPrinter::printLibcallDecls() {
- // If no libcalls used, return.
- if (LibcallDecls.empty()) return;
-
- OutStreamer.AddComment("External decls for libcalls - BEGIN");
- OutStreamer.AddBlankLine();
-
- for (std::set<std::string>::const_iterator I = LibcallDecls.begin(),
- E = LibcallDecls.end(); I != E; I++)
- OutStreamer.EmitRawText(MAI->getExternDirective() + Twine(*I));
-
- OutStreamer.AddComment("External decls for libcalls - END");
- OutStreamer.AddBlankLine();
-}
-
-/// doInitialization - Perform 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);
-
- // Every asmbly contains these std headers.
- OutStreamer.EmitRawText(StringRef("\n#include p16f1xxx.inc"));
- OutStreamer.EmitRawText(StringRef("#include stdmacros.inc"));
-
- // Set the section names for all globals.
- for (Module::global_iterator I = M.global_begin(), E = M.global_end();
- I != E; ++I) {
-
- // Record External Var Decls.
- if (I->isDeclaration()) {
- ExternalVarDecls.push_back(I);
- continue;
- }
-
- // Record Exteranl Var Defs.
- if (I->hasExternalLinkage() || I->hasCommonLinkage()) {
- ExternalVarDefs.push_back(I);
- }
-
- // Sectionify actual data.
- if (!I->hasAvailableExternallyLinkage()) {
- const MCSection *S = getObjFileLowering().SectionForGlobal(I, Mang, TM);
-
- I->setSection(((const PIC16Section *)S)->getName());
- }
- }
-
- DbgInfo.BeginModule(M);
- EmitFunctionDecls(M);
- EmitUndefinedVars(M);
- EmitDefinedVars(M);
- EmitIData(M);
- EmitUData(M);
- EmitRomData(M);
- EmitSharedUdata(M);
- EmitUserSections(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.
- OutStreamer.AddComment("Function Declarations - BEGIN");
- OutStreamer.AddBlankLine();
- for (Module::iterator I = M.begin(), E = M.end(); I != E; I++) {
- if (I->isIntrinsic() || I->getName() == "@abort")
- continue;
-
- if (!I->isDeclaration() && !I->hasExternalLinkage())
- continue;
-
- MCSymbol *Sym = Mang->getSymbol(I);
-
- // Do not emit memcpy, memset, and memmove here.
- // Calls to these routines can be generated in two ways,
- // 1. User calling the standard lib function
- // 2. Codegen generating these calls for llvm intrinsics.
- // In the first case a prototype is alread availale, while in
- // second case the call is via and externalsym and the prototype is missing.
- // So declarations for these are currently always getting printing by
- // tracking both kind of references in printInstrunction.
- if (I->isDeclaration() && PAN::isMemIntrinsic(Sym->getName())) continue;
-
- const char *directive = I->isDeclaration() ? MAI->getExternDirective() :
- MAI->getGlobalDirective();
-
- OutStreamer.EmitRawText(directive + Twine(Sym->getName()));
- OutStreamer.EmitRawText(directive +
- Twine(PAN::getRetvalLabel(Sym->getName())));
- OutStreamer.EmitRawText(directive +
- Twine(PAN::getArgsLabel(Sym->getName())));
- }
-
- OutStreamer.AddComment("Function Declarations - END");
- OutStreamer.AddBlankLine();
-
-}
-
-// Emit variables imported from other Modules.
-void PIC16AsmPrinter::EmitUndefinedVars(Module &M) {
- std::vector<const GlobalVariable*> Items = ExternalVarDecls;
- if (!Items.size()) return;
-
- OutStreamer.AddComment("Imported Variables - BEGIN");
- OutStreamer.AddBlankLine();
- for (unsigned j = 0; j < Items.size(); j++)
- OutStreamer.EmitRawText(MAI->getExternDirective() +
- Twine(Mang->getSymbol(Items[j])->getName()));
-
- OutStreamer.AddComment("Imported Variables - END");
- OutStreamer.AddBlankLine();
-}
-
-// Emit variables defined in this module and are available to other modules.
-void PIC16AsmPrinter::EmitDefinedVars(Module &M) {
- std::vector<const GlobalVariable*> Items = ExternalVarDefs;
- if (!Items.size()) return;
-
- OutStreamer.AddComment("Exported Variables - BEGIN");
- OutStreamer.AddBlankLine();
-
- for (unsigned j = 0; j < Items.size(); j++)
- OutStreamer.EmitRawText(MAI->getGlobalDirective() +
- Twine(Mang->getSymbol(Items[j])->getName()));
- OutStreamer.AddComment("Exported Variables - END");
- OutStreamer.AddBlankLine();
-}
-
-// Emit initialized data placed in ROM.
-void PIC16AsmPrinter::EmitRomData(Module &M) {
- EmitSingleSection(PTOF->ROMDATASection());
-}
-
-// Emit Shared section udata.
-void PIC16AsmPrinter::EmitSharedUdata(Module &M) {
- EmitSingleSection(PTOF->SHAREDUDATASection());
-}
-
-bool PIC16AsmPrinter::doFinalization(Module &M) {
- EmitAllAutos(M);
- printLibcallDecls();
- DbgInfo.EndModule(M);
- OutStreamer.EmitRawText(StringRef("\tEND"));
- return AsmPrinter::doFinalization(M);
-}
-
-void PIC16AsmPrinter::EmitFunctionFrame(MachineFunction &MF) {
- const Function *F = MF.getFunction();
- const TargetData *TD = TM.getTargetData();
- PIC16MachineFunctionInfo *FuncInfo = MF.getInfo<PIC16MachineFunctionInfo>();
-
- // Emit the data section name.
-
- PIC16Section *fPDataSection =
- const_cast<PIC16Section *>(getObjFileLowering().
- SectionForFrame(CurrentFnSym->getName()));
-
- fPDataSection->setColor(getFunctionColor(F));
- OutStreamer.SwitchSection(fPDataSection);
-
- // Emit function frame label
- OutStreamer.EmitRawText(PAN::getFrameLabel(CurrentFnSym->getName()) +
- Twine(":"));
-
- 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)
- OutStreamer.EmitRawText(PAN::getRetvalLabel(CurrentFnSym->getName()) +
- Twine(" RES ") + Twine(RetSize));
- else
- OutStreamer.EmitRawText(PAN::getRetvalLabel(CurrentFnSym->getName()) +
- Twine(":"));
-
- // 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);
- }
-
- OutStreamer.EmitRawText(PAN::getArgsLabel(CurrentFnSym->getName()) +
- Twine(" RES ") + Twine(ArgSize));
-
- // Emit temporary space
- int TempSize = FuncInfo->getTmpSize();
- if (TempSize > 0)
- OutStreamer.EmitRawText(PAN::getTempdataLabel(CurrentFnSym->getName()) +
- Twine(" RES ") + Twine(TempSize));
-}
-
-
-void PIC16AsmPrinter::EmitInitializedDataSection(const PIC16Section *S) {
- /// Emit Section header.
- OutStreamer.SwitchSection(S);
-
- std::vector<const GlobalVariable*> Items = S->Items;
- for (unsigned j = 0; j < Items.size(); j++) {
- Constant *C = Items[j]->getInitializer();
- int AddrSpace = Items[j]->getType()->getAddressSpace();
- OutStreamer.EmitRawText(Mang->getSymbol(Items[j])->getName());
- EmitGlobalConstant(C, AddrSpace);
- }
-}
-
-// Print all IDATA sections.
-void PIC16AsmPrinter::EmitIData(Module &M) {
- EmitSectionList (M, PTOF->IDATASections());
-}
-
-void PIC16AsmPrinter::
-EmitUninitializedDataSection(const PIC16Section *S) {
- const TargetData *TD = TM.getTargetData();
- OutStreamer.SwitchSection(S);
- std::vector<const GlobalVariable*> Items = S->Items;
- for (unsigned j = 0; j < Items.size(); j++) {
- Constant *C = Items[j]->getInitializer();
- const Type *Ty = C->getType();
- unsigned Size = TD->getTypeAllocSize(Ty);
- OutStreamer.EmitRawText(Mang->getSymbol(Items[j])->getName() +
- Twine(" RES ") + Twine(Size));
- }
-}
-
-// Print all UDATA sections.
-void PIC16AsmPrinter::EmitUData(Module &M) {
- EmitSectionList (M, PTOF->UDATASections());
-}
-
-// Print all USER sections.
-void PIC16AsmPrinter::EmitUserSections(Module &M) {
- EmitSectionList (M, PTOF->USERSections());
-}
-
-// Print all AUTO sections.
-void PIC16AsmPrinter::EmitAllAutos(Module &M) {
- EmitSectionList (M, PTOF->AUTOSections());
-}
-
-extern "C" void LLVMInitializePIC16AsmPrinter() {
- RegisterAsmPrinter<PIC16AsmPrinter> X(ThePIC16Target);
-}
-
-// Emit one data section using correct section emitter based on section type.
-void PIC16AsmPrinter::EmitSingleSection(const PIC16Section *S) {
- if (S == NULL) return;
-
- switch (S->getType()) {
- default: llvm_unreachable ("unknow user section type");
- case UDATA:
- case UDATA_SHR:
- case UDATA_OVR:
- EmitUninitializedDataSection(S);
- break;
- case IDATA:
- case ROMDATA:
- EmitInitializedDataSection(S);
- break;
- }
-}
-
-// Emit a list of sections.
-void PIC16AsmPrinter::
-EmitSectionList(Module &M, const std::vector<PIC16Section *> &SList) {
- for (unsigned i = 0; i < SList.size(); i++) {
- // Exclude llvm specific metadata sections.
- if (SList[i]->getName().find("llvm.") != std::string::npos)
- continue;
- OutStreamer.AddBlankLine();
- EmitSingleSection(SList[i]);
- }
-}
-
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