#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/MC/MCStreamer.h"
+#include "llvm/MC/MCSymbol.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetLoweringObjectFile.h"
#include "llvm/Target/TargetRegistry.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FormattedStream.h"
-#include "llvm/Support/Mangler.h"
#include "llvm/Support/MathExtras.h"
#include <algorithm>
#include <cctype>
cl::init(8));
namespace {
- class VISIBILITY_HIDDEN XCoreAsmPrinter : public AsmPrinter {
- DwarfWriter *DW;
+ class XCoreAsmPrinter : public AsmPrinter {
const XCoreSubtarget &Subtarget;
public:
explicit XCoreAsmPrinter(formatted_raw_ostream &O, TargetMachine &TM,
const MCAsmInfo *T, bool V)
- : AsmPrinter(O, TM, T, V), DW(0),
+ : AsmPrinter(O, TM, T, V),
Subtarget(TM.getSubtarget<XCoreSubtarget>()) {}
virtual const char *getPassName() const {
bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
unsigned AsmVariant, const char *ExtraCode);
- void emitGlobalDirective(const std::string &name);
- void emitExternDirective(const std::string &name);
+ void emitGlobalDirective(const MCSymbol *Sym);
- void emitArrayBound(const std::string &name, const GlobalVariable *GV);
- virtual void PrintGlobalVariable(const GlobalVariable *GV);
+ void emitArrayBound(const MCSymbol *Sym, const GlobalVariable *GV);
+ virtual void EmitGlobalVariable(const GlobalVariable *GV);
void emitFunctionStart(MachineFunction &MF);
void emitFunctionEnd(MachineFunction &MF);
void printInstruction(const MachineInstr *MI); // autogenerated.
+ static const char *getRegisterName(unsigned RegNo);
+
void printMachineInstruction(const MachineInstr *MI);
bool runOnMachineFunction(MachineFunction &F);
- bool doInitialization(Module &M);
void getAnalysisUsage(AnalysisUsage &AU) const {
AsmPrinter::getAnalysisUsage(AU);
#include "XCoreGenAsmWriter.inc"
-void XCoreAsmPrinter::
-emitGlobalDirective(const std::string &name)
-{
- O << TAI->getGlobalDirective() << name;
- O << "\n";
+void XCoreAsmPrinter::emitGlobalDirective(const MCSymbol *Sym) {
+ O << MAI->getGlobalDirective() << *Sym << "\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)
-{
+void XCoreAsmPrinter::emitArrayBound(const MCSymbol *Sym,
+ 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";
+ cast<PointerType>(GV->getType())->getElementType())) {
+ O << MAI->getGlobalDirective() << *Sym;
+ O << ".globound" << "\n";
+ O << "\t.set\t" << *Sym;
+ O << ".globound" << "," << ATy->getNumElements() << "\n";
if (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage()) {
// TODO Use COMDAT groups for LinkOnceLinkage
- O << TAI->getWeakDefDirective() << name << ".globound" << "\n";
+ O << MAI->getWeakDefDirective() << *Sym << ".globound" << "\n";
}
}
}
-void XCoreAsmPrinter::PrintGlobalVariable(const GlobalVariable *GV) {
+void XCoreAsmPrinter::EmitGlobalVariable(const GlobalVariable *GV) {
// Check to see if this is a special global used by LLVM, if so, emit it.
if (!GV->hasInitializer() ||
EmitSpecialLLVMGlobal(GV))
return;
const TargetData *TD = TM.getTargetData();
-
OutStreamer.SwitchSection(getObjFileLowering().SectionForGlobal(GV, Mang,TM));
+
- std::string name = Mang->getMangledName(GV);
+ MCSymbol *GVSym = GetGlobalValueSymbol(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";
+ O << "\t.cc_top " << *GVSym << ".data," << *GVSym << "\n";
switch (GV->getLinkage()) {
case GlobalValue::AppendingLinkage:
case GlobalValue::WeakAnyLinkage:
case GlobalValue::WeakODRLinkage:
case GlobalValue::ExternalLinkage:
- emitArrayBound(name, GV);
- emitGlobalDirective(name);
+ emitArrayBound(GVSym, GV);
+ emitGlobalDirective(GVSym);
// TODO Use COMDAT groups for LinkOnceLinkage
- if (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage()) {
- O << TAI->getWeakDefDirective() << name << "\n";
- }
+ if (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage())
+ O << MAI->getWeakDefDirective() << *GVSym << "\n";
// FALL THROUGH
case GlobalValue::InternalLinkage:
case GlobalValue::PrivateLinkage:
case GlobalValue::LinkerPrivateLinkage:
break;
- case GlobalValue::GhostLinkage:
- llvm_unreachable("Should not have any unmaterialized functions!");
case GlobalValue::DLLImportLinkage:
llvm_unreachable("DLLImport linkage is not supported by this target!");
case GlobalValue::DLLExportLinkage:
if (GV->isThreadLocal()) {
Size *= MaxThreads;
}
- if (TAI->hasDotTypeDotSizeDirective()) {
- O << "\t.type " << name << ",@object\n";
- O << "\t.size " << name << "," << Size << "\n";
+ if (MAI->hasDotTypeDotSizeDirective()) {
+ O << "\t.type " << *GVSym << ",@object\n";
+ O << "\t.size " << *GVSym << "," << Size << "\n";
}
- O << name << ":\n";
+ O << *GVSym << ":\n";
EmitGlobalConstant(C);
if (GV->isThreadLocal()) {
- for (unsigned i = 1; i < MaxThreads; ++i) {
+ 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);
}
+ // The ABI requires that unsigned scalar types smaller than 32 bits
+ // are padded to 32 bits.
+ if (Size < 4)
+ OutStreamer.EmitZeros(4 - Size, 0);
// Mark the end of the global
- O << "\t.cc_bottom " << name << ".data\n";
+ O << "\t.cc_bottom " << *GVSym << ".data\n";
}
/// Emit the directives on the start of functions
OutStreamer.SwitchSection(getObjFileLowering().SectionForGlobal(F, Mang, TM));
// Mark the start of the function
- O << "\t.cc_top " << CurrentFnName << ".function," << CurrentFnName << "\n";
+ O << "\t.cc_top " << *CurrentFnSym << ".function," << *CurrentFnSym << "\n";
switch (F->getLinkage()) {
default: llvm_unreachable("Unknown linkage type!");
case Function::LinkerPrivateLinkage:
break;
case Function::ExternalLinkage:
- emitGlobalDirective(CurrentFnName);
+ emitGlobalDirective(CurrentFnSym);
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";
+ O << MAI->getGlobalDirective() << *CurrentFnSym << "\n";
+ O << MAI->getWeakDefDirective() << *CurrentFnSym << "\n";
break;
}
// (1 << 1) byte aligned
EmitAlignment(MF.getAlignment(), F, 1);
- if (TAI->hasDotTypeDotSizeDirective()) {
- O << "\t.type " << CurrentFnName << ",@function\n";
- }
- O << CurrentFnName << ":\n";
+ if (MAI->hasDotTypeDotSizeDirective())
+ O << "\t.type " << *CurrentFnSym << ",@function\n";
+
+ O << *CurrentFnSym << ":\n";
}
/// Emit the directives on the end of functions
-void XCoreAsmPrinter::
-emitFunctionEnd(MachineFunction &MF)
-{
+void XCoreAsmPrinter::emitFunctionEnd(MachineFunction &MF) {
// Mark the end of the function
- O << "\t.cc_bottom " << CurrentFnName << ".function\n";
+ O << "\t.cc_bottom " << *CurrentFnSym << ".function\n";
}
/// runOnMachineFunction - This uses the printMachineInstruction()
/// method to print assembly for each instruction.
///
-bool XCoreAsmPrinter::runOnMachineFunction(MachineFunction &MF)
-{
- this->MF = &MF;
-
+bool XCoreAsmPrinter::runOnMachineFunction(MachineFunction &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);
// Print a label for the basic block.
if (I != MF.begin()) {
- printBasicBlockLabel(I, true , true);
- O << '\n';
+ EmitBasicBlockStart(I);
}
for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
II != E; ++II) {
// Print the assembly for the instruction.
- O << "\t";
printMachineInstruction(II);
}
// Emit function end directives
emitFunctionEnd(MF);
+ // Print out jump tables referenced by the function
+ EmitJumpTableInfo(MF);
+
// Emit post-function debug information.
DW->EndFunction(&MF);
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
- llvm_unreachable("not implemented");
+ O << getRegisterName(MO.getReg());
break;
case MachineOperand::MO_Immediate:
O << MO.getImm();
break;
case MachineOperand::MO_MachineBasicBlock:
- printBasicBlockLabel(MO.getMBB());
+ O << *MO.getMBB()->getSymbol(OutContext);
break;
case MachineOperand::MO_GlobalAddress:
- O << Mang->getMangledName(MO.getGlobal());
+ O << *GetGlobalValueSymbol(MO.getGlobal());
break;
case MachineOperand::MO_ExternalSymbol:
O << MO.getSymbolName();
break;
case MachineOperand::MO_ConstantPoolIndex:
- O << TAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber()
+ O << MAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber()
<< '_' << MO.getIndex();
break;
case MachineOperand::MO_JumpTableIndex:
- O << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
+ O << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
<< '_' << MO.getIndex();
break;
+ case MachineOperand::MO_BlockAddress:
+ O << *GetBlockAddressSymbol(MO.getBlockAddress());
+ break;
default:
llvm_unreachable("not implemented");
}
void XCoreAsmPrinter::printMachineInstruction(const MachineInstr *MI) {
++EmittedInsts;
+ processDebugLoc(MI, true);
+
// 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";
+ O << "\tmov " << getRegisterName(dst) << ", ";
+ O << getRegisterName(src) << '\n';
return;
}
printInstruction(MI);
-}
+ if (VerboseAsm)
+ EmitComments(*MI);
+ O << '\n';
-bool XCoreAsmPrinter::doInitialization(Module &M) {
- bool Result = AsmPrinter::doInitialization(M);
- DW = getAnalysisIfAvailable<DwarfWriter>();
-
- return Result;
+ processDebugLoc(MI, false);
}
// Force static initialization.
projects / oota-llvm.git / blobdiff