#define DEBUG_TYPE "asm-printer"
#include "Sparc.h"
+#include "InstPrinter/SparcInstPrinter.h"
+#include "MCTargetDesc/SparcBaseInfo.h"
+#include "MCTargetDesc/SparcMCExpr.h"
#include "SparcInstrInfo.h"
-#include "llvm/Constants.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Module.h"
+#include "SparcTargetMachine.h"
+#include "SparcTargetStreamer.h"
+#include "llvm/ADT/SmallString.h"
#include "llvm/CodeGen/AsmPrinter.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/Target/TargetMachine.h"
-#include "llvm/Support/Mangler.h"
+#include "llvm/CodeGen/MachineRegisterInfo.h"
+#include "llvm/IR/Mangler.h"
+#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCInst.h"
+#include "llvm/MC/MCStreamer.h"
+#include "llvm/MC/MCSymbol.h"
+#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/raw_ostream.h"
-#include "llvm/ADT/Statistic.h"
-#include "llvm/ADT/StringExtras.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/MathExtras.h"
-#include <cctype>
-#include <cstring>
-#include <map>
using namespace llvm;
-STATISTIC(EmittedInsts, "Number of machine instrs printed");
-
namespace {
- struct VISIBILITY_HIDDEN SparcAsmPrinter : public AsmPrinter {
- SparcAsmPrinter(raw_ostream &O, TargetMachine &TM, const TargetAsmInfo *T)
- : AsmPrinter(O, TM, T) {
+ class SparcAsmPrinter : public AsmPrinter {
+ SparcTargetStreamer &getTargetStreamer() {
+ return static_cast<SparcTargetStreamer &>(
+ *OutStreamer.getTargetStreamer());
}
-
- /// We name each basic block in a Function with a unique number, so
- /// that we can consistently refer to them later. This is cleared
- /// at the beginning of each call to runOnMachineFunction().
- ///
- typedef std::map<const Value *, unsigned> ValueMapTy;
- ValueMapTy NumberForBB;
+ public:
+ explicit SparcAsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
+ : AsmPrinter(TM, Streamer) {}
virtual const char *getPassName() const {
return "Sparc Assembly Printer";
}
- void printModuleLevelGV(const GlobalVariable* GVar);
- void printOperand(const MachineInstr *MI, int opNum);
- void printMemOperand(const MachineInstr *MI, int opNum,
+ void printOperand(const MachineInstr *MI, int opNum, raw_ostream &OS);
+ void printMemOperand(const MachineInstr *MI, int opNum, raw_ostream &OS,
const char *Modifier = 0);
- void printCCOperand(const MachineInstr *MI, int opNum);
+ void printCCOperand(const MachineInstr *MI, int opNum, raw_ostream &OS);
+
+ virtual void EmitFunctionBodyStart();
+ virtual void EmitInstruction(const MachineInstr *MI);
+
+ static const char *getRegisterName(unsigned RegNo) {
+ return SparcInstPrinter::getRegisterName(RegNo);
+ }
- bool printInstruction(const MachineInstr *MI); // autogenerated.
- bool runOnMachineFunction(MachineFunction &F);
- bool doInitialization(Module &M);
- bool doFinalization(Module &M);
+ bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
+ unsigned AsmVariant, const char *ExtraCode,
+ raw_ostream &O);
+ bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
+ unsigned AsmVariant, const char *ExtraCode,
+ raw_ostream &O);
};
} // end of anonymous namespace
-#include "SparcGenAsmWriter.inc"
+static MCOperand createPCXCallOP(MCSymbol *Label,
+ MCContext &OutContext)
+{
+ const MCSymbolRefExpr *MCSym = MCSymbolRefExpr::Create(Label,
+ OutContext);
+ const SparcMCExpr *expr = SparcMCExpr::Create(SparcMCExpr::VK_Sparc_None,
+ MCSym, OutContext);
+ return MCOperand::CreateExpr(expr);
+}
-/// createSparcCodePrinterPass - Returns a pass that prints the SPARC
-/// 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::createSparcCodePrinterPass(raw_ostream &o,
- TargetMachine &tm) {
- return new SparcAsmPrinter(o, tm, tm.getTargetAsmInfo());
+static MCOperand createPCXRelExprOp(SparcMCExpr::VariantKind Kind,
+ MCSymbol *GOTLabel, MCSymbol *StartLabel,
+ MCSymbol *CurLabel,
+ MCContext &OutContext)
+{
+ const MCSymbolRefExpr *GOT = MCSymbolRefExpr::Create(GOTLabel, OutContext);
+ const MCSymbolRefExpr *Start = MCSymbolRefExpr::Create(StartLabel,
+ OutContext);
+ const MCSymbolRefExpr *Cur = MCSymbolRefExpr::Create(CurLabel,
+ OutContext);
+
+ const MCBinaryExpr *Sub = MCBinaryExpr::CreateSub(Cur, Start, OutContext);
+ const MCBinaryExpr *Add = MCBinaryExpr::CreateAdd(GOT, Sub, OutContext);
+ const SparcMCExpr *expr = SparcMCExpr::Create(Kind,
+ Add, OutContext);
+ return MCOperand::CreateExpr(expr);
}
-/// runOnMachineFunction - This uses the printInstruction()
-/// method to print assembly for each instruction.
-///
-bool SparcAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
- SetupMachineFunction(MF);
-
- // Print out constants referenced by the function
- EmitConstantPool(MF.getConstantPool());
-
- // BBNumber is used here so that a given Printer will never give two
- // BBs the same name. (If you have a better way, please let me know!)
- static unsigned BBNumber = 0;
-
- O << "\n\n";
- // What's my mangled name?
- CurrentFnName = Mang->getValueName(MF.getFunction());
-
- // Print out the label for the function.
- const Function *F = MF.getFunction();
- SwitchToSection(TAI->SectionForGlobal(F));
- EmitAlignment(4, F);
- O << "\t.globl\t" << CurrentFnName << '\n';
-
- printVisibility(CurrentFnName, F->getVisibility());
-
- O << "\t.type\t" << CurrentFnName << ", #function\n";
- O << CurrentFnName << ":\n";
-
- // Number each basic block so that we can consistently refer to them
- // in PC-relative references.
- // FIXME: Why not use the MBB numbers?
- NumberForBB.clear();
- for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
- I != E; ++I) {
- NumberForBB[I->getBasicBlock()] = BBNumber++;
- }
+static void EmitCall(MCStreamer &OutStreamer,
+ MCOperand &Callee)
+{
+ MCInst CallInst;
+ CallInst.setOpcode(SP::CALL);
+ CallInst.addOperand(Callee);
+ OutStreamer.EmitInstruction(CallInst);
+}
- // 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.
- printInstruction(II);
- ++EmittedInsts;
- }
+static void EmitSETHI(MCStreamer &OutStreamer,
+ MCOperand &Imm, MCOperand &RD)
+{
+ MCInst SETHIInst;
+ SETHIInst.setOpcode(SP::SETHIi);
+ SETHIInst.addOperand(RD);
+ SETHIInst.addOperand(Imm);
+ OutStreamer.EmitInstruction(SETHIInst);
+}
+
+static void EmitOR(MCStreamer &OutStreamer, MCOperand &RS1,
+ MCOperand &Imm, MCOperand &RD)
+{
+ MCInst ORInst;
+ ORInst.setOpcode(SP::ORri);
+ ORInst.addOperand(RD);
+ ORInst.addOperand(RS1);
+ ORInst.addOperand(Imm);
+ OutStreamer.EmitInstruction(ORInst);
+}
+
+static void EmitADD(MCStreamer &OutStreamer,
+ MCOperand &RS1, MCOperand &RS2, MCOperand &RD)
+{
+ MCInst ADDInst;
+ ADDInst.setOpcode(SP::ADDrr);
+ ADDInst.addOperand(RD);
+ ADDInst.addOperand(RS1);
+ ADDInst.addOperand(RS2);
+ OutStreamer.EmitInstruction(ADDInst);
+}
+
+static void LowerGETPCXAndEmitMCInsts(const MachineInstr *MI,
+ MCStreamer &OutStreamer,
+ MCContext &OutContext)
+{
+ const MachineOperand &MO = MI->getOperand(0);
+ MCSymbol *StartLabel = OutContext.CreateTempSymbol();
+ MCSymbol *EndLabel = OutContext.CreateTempSymbol();
+ MCSymbol *SethiLabel = OutContext.CreateTempSymbol();
+ MCSymbol *GOTLabel =
+ OutContext.GetOrCreateSymbol(Twine("_GLOBAL_OFFSET_TABLE_"));
+
+ assert(MO.getReg() != SP::O7 &&
+ "%o7 is assigned as destination for getpcx!");
+
+ MCOperand MCRegOP = MCOperand::CreateReg(MO.getReg());
+ MCOperand RegO7 = MCOperand::CreateReg(SP::O7);
+
+ // <StartLabel>:
+ // call <EndLabel>
+ // <SethiLabel>:
+ // sethi %hi(_GLOBAL_OFFSET_TABLE_+(<SethiLabel>-<StartLabel>)), <MO>
+ // <EndLabel>:
+ // or <MO>, %lo(_GLOBAL_OFFSET_TABLE_+(<EndLabel>-<StartLabel>))), <MO>
+ // add <MO>, %o7, <MO>
+
+ OutStreamer.EmitLabel(StartLabel);
+ MCOperand Callee = createPCXCallOP(EndLabel, OutContext);
+ EmitCall(OutStreamer, Callee);
+ OutStreamer.EmitLabel(SethiLabel);
+ MCOperand hiImm = createPCXRelExprOp(SparcMCExpr::VK_Sparc_HI,
+ GOTLabel, StartLabel, SethiLabel,
+ OutContext);
+ EmitSETHI(OutStreamer, hiImm, MCRegOP);
+ OutStreamer.EmitLabel(EndLabel);
+ MCOperand loImm = createPCXRelExprOp(SparcMCExpr::VK_Sparc_LO,
+ GOTLabel, StartLabel, EndLabel,
+ OutContext);
+ EmitOR(OutStreamer, MCRegOP, loImm, MCRegOP);
+ EmitADD(OutStreamer, MCRegOP, RegO7, MCRegOP);
+}
+
+void SparcAsmPrinter::EmitInstruction(const MachineInstr *MI)
+{
+
+ switch (MI->getOpcode()) {
+ default: break;
+ case TargetOpcode::DBG_VALUE:
+ // FIXME: Debug Value.
+ return;
+ case SP::GETPCX:
+ LowerGETPCXAndEmitMCInsts(MI, OutStreamer, OutContext);
+ return;
}
+ MachineBasicBlock::const_instr_iterator I = MI;
+ MachineBasicBlock::const_instr_iterator E = MI->getParent()->instr_end();
+ do {
+ MCInst TmpInst;
+ LowerSparcMachineInstrToMCInst(I, TmpInst, *this);
+ OutStreamer.EmitInstruction(TmpInst);
+ } while ((++I != E) && I->isInsideBundle()); // Delay slot check.
+}
- // We didn't modify anything.
- return false;
+void SparcAsmPrinter::EmitFunctionBodyStart() {
+ if (!TM.getSubtarget<SparcSubtarget>().is64Bit())
+ return;
+
+ const MachineRegisterInfo &MRI = MF->getRegInfo();
+ const unsigned globalRegs[] = { SP::G2, SP::G3, SP::G6, SP::G7, 0 };
+ for (unsigned i = 0; globalRegs[i] != 0; ++i) {
+ unsigned reg = globalRegs[i];
+ if (MRI.use_empty(reg))
+ continue;
+
+ if (reg == SP::G6 || reg == SP::G7)
+ getTargetStreamer().emitSparcRegisterIgnore(reg);
+ else
+ getTargetStreamer().emitSparcRegisterScratch(reg);
+ }
}
-void SparcAsmPrinter::printOperand(const MachineInstr *MI, int opNum) {
+void SparcAsmPrinter::printOperand(const MachineInstr *MI, int opNum,
+ raw_ostream &O) {
+ const DataLayout *DL = TM.getDataLayout();
const MachineOperand &MO = MI->getOperand (opNum);
- const TargetRegisterInfo &RI = *TM.getRegisterInfo();
- bool CloseParen = false;
- if (MI->getOpcode() == SP::SETHIi && !MO.isRegister() && !MO.isImmediate()) {
- O << "%hi(";
- CloseParen = true;
- } else if ((MI->getOpcode() == SP::ORri || MI->getOpcode() == SP::ADDri)
- && !MO.isRegister() && !MO.isImmediate()) {
- O << "%lo(";
- CloseParen = true;
+ unsigned TF = MO.getTargetFlags();
+#ifndef NDEBUG
+ // Verify the target flags.
+ if (MO.isGlobal() || MO.isSymbol() || MO.isCPI()) {
+ if (MI->getOpcode() == SP::CALL)
+ assert(TF == SPII::MO_NO_FLAG &&
+ "Cannot handle target flags on call address");
+ else if (MI->getOpcode() == SP::SETHIi || MI->getOpcode() == SP::SETHIXi)
+ assert((TF == SPII::MO_HI || TF == SPII::MO_H44 || TF == SPII::MO_HH
+ || TF == SPII::MO_TLS_GD_HI22
+ || TF == SPII::MO_TLS_LDM_HI22
+ || TF == SPII::MO_TLS_LDO_HIX22
+ || TF == SPII::MO_TLS_IE_HI22
+ || TF == SPII::MO_TLS_LE_HIX22) &&
+ "Invalid target flags for address operand on sethi");
+ else if (MI->getOpcode() == SP::TLS_CALL)
+ assert((TF == SPII::MO_NO_FLAG
+ || TF == SPII::MO_TLS_GD_CALL
+ || TF == SPII::MO_TLS_LDM_CALL) &&
+ "Cannot handle target flags on tls call address");
+ else if (MI->getOpcode() == SP::TLS_ADDrr)
+ assert((TF == SPII::MO_TLS_GD_ADD || TF == SPII::MO_TLS_LDM_ADD
+ || TF == SPII::MO_TLS_LDO_ADD || TF == SPII::MO_TLS_IE_ADD) &&
+ "Cannot handle target flags on add for TLS");
+ else if (MI->getOpcode() == SP::TLS_LDrr)
+ assert(TF == SPII::MO_TLS_IE_LD &&
+ "Cannot handle target flags on ld for TLS");
+ else if (MI->getOpcode() == SP::TLS_LDXrr)
+ assert(TF == SPII::MO_TLS_IE_LDX &&
+ "Cannot handle target flags on ldx for TLS");
+ else if (MI->getOpcode() == SP::XORri || MI->getOpcode() == SP::XORXri)
+ assert((TF == SPII::MO_TLS_LDO_LOX10 || TF == SPII::MO_TLS_LE_LOX10) &&
+ "Cannot handle target flags on xor for TLS");
+ else
+ assert((TF == SPII::MO_LO || TF == SPII::MO_M44 || TF == SPII::MO_L44
+ || TF == SPII::MO_HM
+ || TF == SPII::MO_TLS_GD_LO10
+ || TF == SPII::MO_TLS_LDM_LO10
+ || TF == SPII::MO_TLS_IE_LO10 ) &&
+ "Invalid target flags for small address operand");
+ }
+#endif
+
+ bool CloseParen = true;
+ switch (TF) {
+ default:
+ llvm_unreachable("Unknown target flags on operand");
+ case SPII::MO_NO_FLAG:
+ CloseParen = false;
+ break;
+ case SPII::MO_LO: O << "%lo("; break;
+ case SPII::MO_HI: O << "%hi("; break;
+ case SPII::MO_H44: O << "%h44("; break;
+ case SPII::MO_M44: O << "%m44("; break;
+ case SPII::MO_L44: O << "%l44("; break;
+ case SPII::MO_HH: O << "%hh("; break;
+ case SPII::MO_HM: O << "%hm("; break;
+ case SPII::MO_TLS_GD_HI22: O << "%tgd_hi22("; break;
+ case SPII::MO_TLS_GD_LO10: O << "%tgd_lo10("; break;
+ case SPII::MO_TLS_GD_ADD: O << "%tgd_add("; break;
+ case SPII::MO_TLS_GD_CALL: O << "%tgd_call("; break;
+ case SPII::MO_TLS_LDM_HI22: O << "%tldm_hi22("; break;
+ case SPII::MO_TLS_LDM_LO10: O << "%tldm_lo10("; break;
+ case SPII::MO_TLS_LDM_ADD: O << "%tldm_add("; break;
+ case SPII::MO_TLS_LDM_CALL: O << "%tldm_call("; break;
+ case SPII::MO_TLS_LDO_HIX22: O << "%tldo_hix22("; break;
+ case SPII::MO_TLS_LDO_LOX10: O << "%tldo_lox10("; break;
+ case SPII::MO_TLS_LDO_ADD: O << "%tldo_add("; break;
+ case SPII::MO_TLS_IE_HI22: O << "%tie_hi22("; break;
+ case SPII::MO_TLS_IE_LO10: O << "%tie_lo10("; break;
+ case SPII::MO_TLS_IE_LD: O << "%tie_ld("; break;
+ case SPII::MO_TLS_IE_LDX: O << "%tie_ldx("; break;
+ case SPII::MO_TLS_IE_ADD: O << "%tie_add("; break;
+ case SPII::MO_TLS_LE_HIX22: O << "%tle_hix22("; break;
+ case SPII::MO_TLS_LE_LOX10: O << "%tle_lox10("; break;
}
+
switch (MO.getType()) {
case MachineOperand::MO_Register:
- if (TargetRegisterInfo::isPhysicalRegister(MO.getReg()))
- O << "%" << LowercaseString (RI.get(MO.getReg()).AsmName);
- else
- O << "%reg" << MO.getReg();
+ O << "%" << StringRef(getRegisterName(MO.getReg())).lower();
break;
case MachineOperand::MO_Immediate:
O << (int)MO.getImm();
break;
case MachineOperand::MO_MachineBasicBlock:
- printBasicBlockLabel(MO.getMBB());
+ O << *MO.getMBB()->getSymbol();
return;
case MachineOperand::MO_GlobalAddress:
- O << Mang->getValueName(MO.getGlobal());
+ O << *getSymbol(MO.getGlobal());
+ break;
+ case MachineOperand::MO_BlockAddress:
+ O << GetBlockAddressSymbol(MO.getBlockAddress())->getName();
break;
case MachineOperand::MO_ExternalSymbol:
O << MO.getSymbolName();
break;
case MachineOperand::MO_ConstantPoolIndex:
- O << TAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber() << "_"
+ O << DL->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber() << "_"
<< MO.getIndex();
break;
default:
- O << "<unknown operand type>"; abort (); break;
+ llvm_unreachable("<unknown operand type>");
}
if (CloseParen) O << ")";
}
void SparcAsmPrinter::printMemOperand(const MachineInstr *MI, int opNum,
- const char *Modifier) {
- printOperand(MI, opNum);
+ raw_ostream &O, const char *Modifier) {
+ printOperand(MI, opNum, O);
// If this is an ADD operand, emit it like normal operands.
if (Modifier && !strcmp(Modifier, "arith")) {
O << ", ";
- printOperand(MI, opNum+1);
+ printOperand(MI, opNum+1, O);
return;
}
- if (MI->getOperand(opNum+1).isRegister() &&
+ if (MI->getOperand(opNum+1).isReg() &&
MI->getOperand(opNum+1).getReg() == SP::G0)
return; // don't print "+%g0"
- if (MI->getOperand(opNum+1).isImmediate() &&
+ if (MI->getOperand(opNum+1).isImm() &&
MI->getOperand(opNum+1).getImm() == 0)
return; // don't print "+0"
O << "+";
- if (MI->getOperand(opNum+1).isGlobalAddress() ||
- MI->getOperand(opNum+1).isConstantPoolIndex()) {
- O << "%lo(";
- printOperand(MI, opNum+1);
- O << ")";
- } else {
- printOperand(MI, opNum+1);
- }
-}
-
-void SparcAsmPrinter::printCCOperand(const MachineInstr *MI, int opNum) {
- int CC = (int)MI->getOperand(opNum).getImm();
- O << SPARCCondCodeToString((SPCC::CondCodes)CC);
+ printOperand(MI, opNum+1, O);
}
+/// PrintAsmOperand - Print out an operand for an inline asm expression.
+///
+bool SparcAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
+ unsigned AsmVariant,
+ const char *ExtraCode,
+ raw_ostream &O) {
+ if (ExtraCode && ExtraCode[0]) {
+ if (ExtraCode[1] != 0) return true; // Unknown modifier.
+
+ switch (ExtraCode[0]) {
+ default:
+ // See if this is a generic print operand
+ return AsmPrinter::PrintAsmOperand(MI, OpNo, AsmVariant, ExtraCode, O);
+ case 'r':
+ break;
+ }
+ }
+ printOperand(MI, OpNo, O);
-bool SparcAsmPrinter::doInitialization(Module &M) {
- Mang = new Mangler(M);
- return false; // success
+ return false;
}
-bool SparcAsmPrinter::doFinalization(Module &M) {
- // Print out module-level global variables here.
- for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
- I != E; ++I)
- printModuleLevelGV(I);
+bool SparcAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI,
+ unsigned OpNo, unsigned AsmVariant,
+ const char *ExtraCode,
+ raw_ostream &O) {
+ if (ExtraCode && ExtraCode[0])
+ return true; // Unknown modifier
- O << '\n';
+ O << '[';
+ printMemOperand(MI, OpNo, O);
+ O << ']';
- return AsmPrinter::doFinalization(M);
+ return false;
}
-void SparcAsmPrinter::printModuleLevelGV(const GlobalVariable* GVar) {
- const TargetData *TD = TM.getTargetData();
-
- if (!GVar->hasInitializer())
- return; // External global require no code
-
- // Check to see if this is a special global used by LLVM, if so, emit it.
- if (EmitSpecialLLVMGlobal(GVar))
- return;
-
- O << "\n\n";
- std::string name = Mang->getValueName(GVar);
- Constant *C = GVar->getInitializer();
- unsigned Size = TD->getABITypeSize(C->getType());
- unsigned Align = TD->getPreferredAlignment(GVar);
-
- printVisibility(name, GVar->getVisibility());
-
- SwitchToSection(TAI->SectionForGlobal(GVar));
-
- if (C->isNullValue() && !GVar->hasSection()) {
- if (!GVar->isThreadLocal() &&
- (GVar->hasInternalLinkage() || GVar->isWeakForLinker())) {
- if (Size == 0) Size = 1; // .comm Foo, 0 is undefined, avoid it.
-
- if (GVar->hasInternalLinkage())
- O << "\t.local " << name << '\n';
-
- O << TAI->getCOMMDirective() << name << ',' << Size;
- if (TAI->getCOMMDirectiveTakesAlignment())
- O << ',' << (1 << Align);
-
- O << '\n';
- return;
- }
- }
-
- switch (GVar->getLinkage()) {
- case GlobalValue::CommonLinkage:
- case GlobalValue::LinkOnceLinkage:
- case GlobalValue::WeakLinkage: // FIXME: Verify correct for weak.
- // Nonnull linkonce -> weak
- O << "\t.weak " << name << '\n';
- break;
- case GlobalValue::AppendingLinkage:
- // FIXME: appending linkage variables should go into a section of
- // their name or something. For now, just emit them as external.
- case GlobalValue::ExternalLinkage:
- // If external or appending, declare as a global symbol
- O << TAI->getGlobalDirective() << name << '\n';
- // FALL THROUGH
- case GlobalValue::InternalLinkage:
- 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, GVar);
-
- if (TAI->hasDotTypeDotSizeDirective()) {
- O << "\t.type " << name << ",#object\n";
- O << "\t.size " << name << ',' << Size << '\n';
- }
-
- O << name << ":\n";
- EmitGlobalConstant(C);
+// Force static initialization.
+extern "C" void LLVMInitializeSparcAsmPrinter() {
+ RegisterAsmPrinter<SparcAsmPrinter> X(TheSparcTarget);
+ RegisterAsmPrinter<SparcAsmPrinter> Y(TheSparcV9Target);
}
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