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Well this isn't as ugly and it works better. At least gcc bootstraps again 

llvm-svn: 34254
This commit is contained in:
Andrew Lenharth 2007-02-13 23:41:16 +00:00
parent 5153525402
commit 6719d3d0a2
1 changed files with 69 additions and 70 deletions
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139
llvm/lib/Target/Alpha/AlphaAsmPrinter.cpp
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@ -112,9 +112,13 @@ void AlphaAsmPrinter::printOp(const MachineOperand &MO, bool IsCallOp) {
O << MO.getSymbolName();
return;
case MachineOperand::MO_GlobalAddress:
O << Mang->getValueName(MO.getGlobal());
case MachineOperand::MO_GlobalAddress: {
GlobalValue *GV = MO.getGlobal();
O << Mang->getValueName(GV);
if (GV->isDeclaration() && GV->hasExternalWeakLinkage())
ExtWeakSymbols.insert(GV);
return;
}
case MachineOperand::MO_JumpTableIndex:
O << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
@ -189,88 +193,83 @@ bool AlphaAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
bool AlphaAsmPrinter::doInitialization(Module &M)
{
AsmPrinter::doInitialization(M);
if(TM.getSubtarget<AlphaSubtarget>().hasCT())
O << "\t.arch ev6\n"; //This might need to be ev67, so leave this test here
else
O << "\t.arch ev6\n";
O << "\t.set noat\n";
AsmPrinter::doInitialization(M);
return false;
}
bool AlphaAsmPrinter::doFinalization(Module &M) {
const TargetData *TD = TM.getTargetData();
for (Module::const_global_iterator I = M.global_begin(), E = M.global_end(); I != E; ++I)
if (I->hasInitializer()) { // External global require no code
// Check to see if this is a special global used by LLVM, if so, emit it.
if (EmitSpecialLLVMGlobal(I))
continue;
O << "\n\n";
std::string name = Mang->getValueName(I);
Constant *C = I->getInitializer();
unsigned Size = TD->getTypeSize(C->getType());
// unsigned Align = TD->getPreferredTypeAlignmentShift(C->getType());
unsigned Align = TD->getPreferredAlignmentLog(I);
for (Module::const_global_iterator I = M.global_begin(), E = M.global_end(); I != E; ++I) {
if (C->isNullValue() &&
(I->hasLinkOnceLinkage() || I->hasInternalLinkage() ||
I->hasWeakLinkage() /* FIXME: Verify correct */)) {
SwitchToDataSection("\t.section .data", I);
if (I->hasInternalLinkage())
O << "\t.local " << name << "\n";
O << "\t.comm " << name << "," << TD->getTypeSize(C->getType())
<< "," << (1 << Align)
<< "\n";
} else {
switch (I->getLinkage()) {
case GlobalValue::LinkOnceLinkage:
case GlobalValue::WeakLinkage: // FIXME: Verify correct for weak.
// Nonnull linkonce -> weak
O << "\t.weak " << name << "\n";
O << "\t.section\t.llvm.linkonce.d." << name << ",\"aw\",@progbits\n";
SwitchToDataSection("", I);
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 << "\t.globl " << name << "\n";
// FALL THROUGH
case GlobalValue::InternalLinkage:
SwitchToDataSection(C->isNullValue() ? "\t.section .bss" :
"\t.section .data", I);
break;
case GlobalValue::GhostLinkage:
cerr << "GhostLinkage cannot appear in AlphaAsmPrinter!\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);
O << "\t.type " << name << ",@object\n";
O << "\t.size " << name << "," << Size << "\n";
O << name << ":\n";
EmitGlobalConstant(C);
}
if (!I->hasInitializer()) continue; // External global require no code
// Check to see if this is a special global used by LLVM, if so, emit it.
if (EmitSpecialLLVMGlobal(I))
continue;
std::string name = Mang->getValueName(I);
Constant *C = I->getInitializer();
unsigned Size = TD->getTypeSize(C->getType());
unsigned Align = TD->getPreferredAlignmentLog(I);
//1: hidden?
if (I->hasHiddenVisibility())
O << TAI->getHiddenDirective() << name << "\n";
//2: kind
switch (I->getLinkage()) {
case GlobalValue::LinkOnceLinkage:
case GlobalValue::WeakLinkage:
O << TAI->getWeakRefDirective() << name << '\n';
break;
case GlobalValue::AppendingLinkage:
case GlobalValue::ExternalLinkage:
O << "\t.globl " << name << "\n";
break;
case GlobalValue::InternalLinkage:
break;
default:
assert(0 && "Unknown linkage type!");
cerr << "Unknown linkage type!\n";
abort();
}
for (Module::const_iterator I = M.begin(), E = M.end(); I != E; ++I)
if (I->hasExternalWeakLinkage()) {
O << "\n\n";
std::string name = Mang->getValueName(I);
O << "\t.weak " << name << "\n";
//3: Section (if changed)
if (I->hasSection() &&
(I->getSection() == ".ctors" ||
I->getSection() == ".dtors")) {
std::string SectionName = ".section\t" + I->getSection()
+ ",\"aw\",@progbits";
SwitchToDataSection(SectionName.c_str());
} else {
if (C->isNullValue())
SwitchToDataSection("\t.section\t.bss", I);
else
SwitchToDataSection("\t.section\t.data", I);
}
//4: Type, Size, Align
O << "\t.type\t" << name << ", @object\n";
O << "\t.size\t" << name << ", " << Size << "\n";
EmitAlignment(Align, I);
O << name << ":\n";
// If the initializer is a extern weak symbol, remember to emit the weak
// reference!
if (const GlobalValue *GV = dyn_cast<GlobalValue>(C))
if (GV->hasExternalWeakLinkage())
ExtWeakSymbols.insert(GV);
EmitGlobalConstant(C);
O << '\n';
}
AsmPrinter::doFinalization(M);
return false;