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-rw-r--r--lib/Target/XCore/XCoreAsmPrinter.cpp438
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diff --git a/lib/Target/XCore/XCoreAsmPrinter.cpp b/lib/Target/XCore/XCoreAsmPrinter.cpp
deleted file mode 100644
index 67cb0c8210fe..000000000000
--- a/lib/Target/XCore/XCoreAsmPrinter.cpp
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@@ -1,438 +0,0 @@
-//===-- XCoreAsmPrinter.cpp - XCore 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 XAS-format XCore assembly language.
-//
-//===----------------------------------------------------------------------===//
-
-#define DEBUG_TYPE "asm-printer"
-#include "XCore.h"
-#include "XCoreInstrInfo.h"
-#include "XCoreSubtarget.h"
-#include "XCoreTargetMachine.h"
-#include "llvm/Constants.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Module.h"
-#include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/CodeGen/DwarfWriter.h"
-#include "llvm/CodeGen/MachineModuleInfo.h"
-#include "llvm/CodeGen/MachineFunctionPass.h"
-#include "llvm/CodeGen/MachineConstantPool.h"
-#include "llvm/CodeGen/MachineInstr.h"
-#include "llvm/Target/TargetAsmInfo.h"
-#include "llvm/Target/TargetData.h"
-#include "llvm/Support/Mangler.h"
-#include "llvm/ADT/Statistic.h"
-#include "llvm/ADT/StringExtras.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/MathExtras.h"
-#include "llvm/Support/raw_ostream.h"
-#include <algorithm>
-#include <cctype>
-using namespace llvm;
-
-STATISTIC(EmittedInsts, "Number of machine instrs printed");
-
-static cl::opt<std::string> FileDirective("xcore-file-directive", cl::Optional,
- cl::desc("Output a file directive into the assembly file"),
- cl::Hidden,
- cl::value_desc("filename"),
- cl::init(""));
-
-static cl::opt<unsigned> MaxThreads("xcore-max-threads", cl::Optional,
- cl::desc("Maximum number of threads (for emulation thread-local storage)"),
- cl::Hidden,
- cl::value_desc("number"),
- cl::init(8));
-
-namespace {
- class VISIBILITY_HIDDEN XCoreAsmPrinter : public AsmPrinter {
- DwarfWriter *DW;
- const XCoreSubtarget &Subtarget;
- public:
- explicit XCoreAsmPrinter(raw_ostream &O, XCoreTargetMachine &TM,
- const TargetAsmInfo *T, bool V)
- : AsmPrinter(O, TM, T, V), DW(0),
- Subtarget(*TM.getSubtargetImpl()) {}
-
- virtual const char *getPassName() const {
- return "XCore Assembly Printer";
- }
-
- void printMemOperand(const MachineInstr *MI, int opNum);
- void printOperand(const MachineInstr *MI, int opNum);
- bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
- unsigned AsmVariant, const char *ExtraCode);
-
- void emitFileDirective(const std::string &filename);
- void emitGlobalDirective(const std::string &name);
- void emitExternDirective(const std::string &name);
-
- void emitArrayBound(const std::string &name, const GlobalVariable *GV);
- void emitGlobal(const GlobalVariable *GV);
-
- void emitFunctionStart(MachineFunction &MF);
- void emitFunctionEnd(MachineFunction &MF);
-
- bool printInstruction(const MachineInstr *MI); // autogenerated.
- void printMachineInstruction(const MachineInstr *MI);
- bool runOnMachineFunction(MachineFunction &F);
- bool doInitialization(Module &M);
- bool doFinalization(Module &M);
-
- void getAnalysisUsage(AnalysisUsage &AU) const {
- AsmPrinter::getAnalysisUsage(AU);
- AU.setPreservesAll();
- AU.addRequired<MachineModuleInfo>();
- AU.addRequired<DwarfWriter>();
- }
- };
-} // end of anonymous namespace
-
-#include "XCoreGenAsmWriter.inc"
-
-/// createXCoreCodePrinterPass - Returns a pass that prints the XCore
-/// 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::createXCoreCodePrinterPass(raw_ostream &o,
- XCoreTargetMachine &tm,
- bool verbose) {
- return new XCoreAsmPrinter(o, tm, tm.getTargetAsmInfo(), verbose);
-}
-
-// PrintEscapedString - Print each character of the specified string, escaping
-// it if it is not printable or if it is an escape char.
-static void PrintEscapedString(const std::string &Str, raw_ostream &Out) {
- for (unsigned i = 0, e = Str.size(); i != e; ++i) {
- unsigned char C = Str[i];
- if (isprint(C) && C != '"' && C != '\\') {
- Out << C;
- } else {
- Out << '\\'
- << (char) ((C/16 < 10) ? ( C/16 +'0') : ( C/16 -10+'A'))
- << (char)(((C&15) < 10) ? ((C&15)+'0') : ((C&15)-10+'A'));
- }
- }
-}
-
-void XCoreAsmPrinter::
-emitFileDirective(const std::string &name)
-{
- O << "\t.file\t\"";
- PrintEscapedString(name, O);
- O << "\"\n";
-}
-
-void XCoreAsmPrinter::
-emitGlobalDirective(const std::string &name)
-{
- O << TAI->getGlobalDirective() << name;
- O << "\n";
-}
-
-void XCoreAsmPrinter::
-emitExternDirective(const std::string &name)
-{
- O << "\t.extern\t" << name;
- O << '\n';
-}
-
-void XCoreAsmPrinter::
-emitArrayBound(const std::string &name, const GlobalVariable *GV)
-{
- assert(((GV->hasExternalLinkage() ||
- GV->hasWeakLinkage()) ||
- GV->hasLinkOnceLinkage()) && "Unexpected linkage");
- if (const ArrayType *ATy = dyn_cast<ArrayType>(
- cast<PointerType>(GV->getType())->getElementType()))
- {
- O << TAI->getGlobalDirective() << name << ".globound" << "\n";
- O << TAI->getSetDirective() << name << ".globound" << ","
- << ATy->getNumElements() << "\n";
- if (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage()) {
- // TODO Use COMDAT groups for LinkOnceLinkage
- O << TAI->getWeakDefDirective() << name << ".globound" << "\n";
- }
- }
-}
-
-void XCoreAsmPrinter::
-emitGlobal(const GlobalVariable *GV)
-{
- const TargetData *TD = TM.getTargetData();
-
- if (GV->hasInitializer()) {
- // Check to see if this is a special global used by LLVM, if so, emit it.
- if (EmitSpecialLLVMGlobal(GV))
- return;
-
- SwitchToSection(TAI->SectionForGlobal(GV));
-
- std::string name = Mang->getValueName(GV);
- Constant *C = GV->getInitializer();
- unsigned Align = (unsigned)TD->getPreferredTypeAlignmentShift(C->getType());
-
- // Mark the start of the global
- O << "\t.cc_top " << name << ".data," << name << "\n";
-
- switch (GV->getLinkage()) {
- case GlobalValue::AppendingLinkage:
- cerr << "AppendingLinkage is not supported by this target!\n";
- abort();
- case GlobalValue::LinkOnceAnyLinkage:
- case GlobalValue::LinkOnceODRLinkage:
- case GlobalValue::WeakAnyLinkage:
- case GlobalValue::WeakODRLinkage:
- case GlobalValue::ExternalLinkage:
- emitArrayBound(name, GV);
- emitGlobalDirective(name);
- // TODO Use COMDAT groups for LinkOnceLinkage
- if (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage()) {
- O << TAI->getWeakDefDirective() << name << "\n";
- }
- // FALL THROUGH
- case GlobalValue::InternalLinkage:
- case GlobalValue::PrivateLinkage:
- break;
- case GlobalValue::GhostLinkage:
- cerr << "Should not have any unmaterialized functions!\n";
- abort();
- case GlobalValue::DLLImportLinkage:
- cerr << "DLLImport linkage is not supported by this target!\n";
- abort();
- case GlobalValue::DLLExportLinkage:
- cerr << "DLLExport linkage is not supported by this target!\n";
- abort();
- default:
- assert(0 && "Unknown linkage type!");
- }
-
- EmitAlignment(Align, GV, 2);
-
- unsigned Size = TD->getTypeAllocSize(C->getType());
- if (GV->isThreadLocal()) {
- Size *= MaxThreads;
- }
- if (TAI->hasDotTypeDotSizeDirective()) {
- O << "\t.type " << name << ",@object\n";
- O << "\t.size " << name << "," << Size << "\n";
- }
- O << name << ":\n";
-
- EmitGlobalConstant(C);
- if (GV->isThreadLocal()) {
- for (unsigned i = 1; i < MaxThreads; ++i) {
- EmitGlobalConstant(C);
- }
- }
- if (Size < 4) {
- // The ABI requires that unsigned scalar types smaller than 32 bits
- // are are padded to 32 bits.
- EmitZeros(4 - Size);
- }
-
- // Mark the end of the global
- O << "\t.cc_bottom " << name << ".data\n";
- }
-}
-
-/// Emit the directives on the start of functions
-void XCoreAsmPrinter::
-emitFunctionStart(MachineFunction &MF)
-{
- // Print out the label for the function.
- const Function *F = MF.getFunction();
-
- SwitchToSection(TAI->SectionForGlobal(F));
-
- // Mark the start of the function
- O << "\t.cc_top " << CurrentFnName << ".function," << CurrentFnName << "\n";
-
- switch (F->getLinkage()) {
- default: assert(0 && "Unknown linkage type!");
- case Function::InternalLinkage: // Symbols default to internal.
- case Function::PrivateLinkage:
- break;
- case Function::ExternalLinkage:
- emitGlobalDirective(CurrentFnName);
- break;
- case Function::LinkOnceAnyLinkage:
- case Function::LinkOnceODRLinkage:
- case Function::WeakAnyLinkage:
- case Function::WeakODRLinkage:
- // TODO Use COMDAT groups for LinkOnceLinkage
- O << TAI->getGlobalDirective() << CurrentFnName << "\n";
- O << TAI->getWeakDefDirective() << CurrentFnName << "\n";
- break;
- }
- // (1 << 1) byte aligned
- EmitAlignment(MF.getAlignment(), F, 1);
- if (TAI->hasDotTypeDotSizeDirective()) {
- O << "\t.type " << CurrentFnName << ",@function\n";
- }
- O << CurrentFnName << ":\n";
-}
-
-/// Emit the directives on the end of functions
-void XCoreAsmPrinter::
-emitFunctionEnd(MachineFunction &MF)
-{
- // Mark the end of the function
- O << "\t.cc_bottom " << CurrentFnName << ".function\n";
-}
-
-/// runOnMachineFunction - This uses the printMachineInstruction()
-/// method to print assembly for each instruction.
-///
-bool XCoreAsmPrinter::runOnMachineFunction(MachineFunction &MF)
-{
- this->MF = &MF;
-
- SetupMachineFunction(MF);
-
- // Print out constants referenced by the function
- EmitConstantPool(MF.getConstantPool());
-
- // Print out jump tables referenced by the function
- EmitJumpTableInfo(MF.getJumpTableInfo(), MF);
-
- // Emit the function start directives
- emitFunctionStart(MF);
-
- // Emit pre-function debug information.
- DW->BeginFunction(&MF);
-
- // 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 , true);
- O << '\n';
- }
-
- for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
- II != E; ++II) {
- // Print the assembly for the instruction.
- O << "\t";
- printMachineInstruction(II);
- }
-
- // Each Basic Block is separated by a newline
- O << '\n';
- }
-
- // Emit function end directives
- emitFunctionEnd(MF);
-
- // Emit post-function debug information.
- DW->EndFunction(&MF);
-
- // We didn't modify anything.
- return false;
-}
-
-void XCoreAsmPrinter::printMemOperand(const MachineInstr *MI, int opNum)
-{
- printOperand(MI, opNum);
-
- if (MI->getOperand(opNum+1).isImm()
- && MI->getOperand(opNum+1).getImm() == 0)
- return;
-
- O << "+";
- printOperand(MI, opNum+1);
-}
-
-void XCoreAsmPrinter::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");
- break;
- case MachineOperand::MO_Immediate:
- O << MO.getImm();
- break;
- case MachineOperand::MO_MachineBasicBlock:
- printBasicBlockLabel(MO.getMBB());
- break;
- case MachineOperand::MO_GlobalAddress:
- O << Mang->getValueName(MO.getGlobal());
- break;
- case MachineOperand::MO_ExternalSymbol:
- O << MO.getSymbolName();
- break;
- case MachineOperand::MO_ConstantPoolIndex:
- O << TAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber()
- << '_' << MO.getIndex();
- break;
- case MachineOperand::MO_JumpTableIndex:
- O << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
- << '_' << MO.getIndex();
- break;
- default:
- assert(0 && "not implemented");
- }
-}
-
-/// PrintAsmOperand - Print out an operand for an inline asm expression.
-///
-bool XCoreAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
- unsigned AsmVariant,
- const char *ExtraCode) {
- printOperand(MI, OpNo);
- return false;
-}
-
-void XCoreAsmPrinter::printMachineInstruction(const MachineInstr *MI) {
- ++EmittedInsts;
-
- // Check for mov mnemonic
- unsigned src, dst, srcSR, dstSR;
- if (TM.getInstrInfo()->isMoveInstr(*MI, src, dst, srcSR, dstSR)) {
- O << "\tmov ";
- O << TM.getRegisterInfo()->get(dst).AsmName;
- O << ", ";
- O << TM.getRegisterInfo()->get(src).AsmName;
- O << "\n";
- return;
- }
- if (printInstruction(MI)) {
- return;
- }
- assert(0 && "Unhandled instruction in asm writer!");
-}
-
-bool XCoreAsmPrinter::doInitialization(Module &M) {
- bool Result = AsmPrinter::doInitialization(M);
- DW = getAnalysisIfAvailable<DwarfWriter>();
-
- if (!FileDirective.empty())
- emitFileDirective(FileDirective);
-
- return Result;
-}
-
-bool XCoreAsmPrinter::doFinalization(Module &M) {
-
- // Print out module-level global variables.
- for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
- I != E; ++I) {
- emitGlobal(I);
- }
-
- return AsmPrinter::doFinalization(M);
-}
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