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https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-14 11:32:34 +00:00
Eliminate unneeded intermediate class. Move doFinalizeMethod to bottom of
file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24470 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
parent
3dfbe2ed34
commit
42a76cdb04
@ -33,107 +33,10 @@ using namespace llvm;
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namespace {
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Statistic<> EmittedInsts("asm-printer", "Number of machine instrs printed");
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struct IA64SharedAsmPrinter : public AsmPrinter {
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struct IA64AsmPrinter : public AsmPrinter {
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std::set<std::string> ExternalFunctionNames, ExternalObjectNames;
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IA64SharedAsmPrinter(std::ostream &O, TargetMachine &TM)
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: AsmPrinter(O, TM) { }
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bool doFinalization(Module &M);
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};
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}
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bool IA64SharedAsmPrinter::doFinalization(Module &M) {
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const TargetData &TD = TM.getTargetData();
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// Print out module-level global variables here.
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for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
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I != E; ++I)
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if (I->hasInitializer()) { // External global require no code
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O << "\n\n";
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std::string name = Mang->getValueName(I);
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Constant *C = I->getInitializer();
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unsigned Size = TD.getTypeSize(C->getType());
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unsigned Align = TD.getTypeAlignmentShift(C->getType());
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if (C->isNullValue() &&
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(I->hasLinkOnceLinkage() || I->hasInternalLinkage() ||
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I->hasWeakLinkage() /* FIXME: Verify correct */)) {
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SwitchSection(".data", I);
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if (I->hasInternalLinkage()) {
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O << "\t.lcomm " << name << "," << TD.getTypeSize(C->getType())
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<< "," << (1 << Align);
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O << "\t\t// ";
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} else {
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O << "\t.common " << name << "," << TD.getTypeSize(C->getType())
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<< "," << (1 << Align);
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O << "\t\t// ";
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}
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WriteAsOperand(O, I, true, true, &M);
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O << "\n";
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} else {
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switch (I->getLinkage()) {
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case GlobalValue::LinkOnceLinkage:
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case GlobalValue::WeakLinkage: // FIXME: Verify correct for weak.
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// Nonnull linkonce -> weak
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O << "\t.weak " << name << "\n";
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O << "\t.section\t.llvm.linkonce.d." << name
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<< ", \"aw\", \"progbits\"\n";
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SwitchSection("", I);
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break;
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case GlobalValue::AppendingLinkage:
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// FIXME: appending linkage variables should go into a section of
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// their name or something. For now, just emit them as external.
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case GlobalValue::ExternalLinkage:
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// If external or appending, declare as a global symbol
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O << "\t.global " << name << "\n";
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// FALL THROUGH
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case GlobalValue::InternalLinkage:
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SwitchSection(C->isNullValue() ? ".bss" : ".data", I);
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break;
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case GlobalValue::GhostLinkage:
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std::cerr << "GhostLinkage cannot appear in IA64AsmPrinter!\n";
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abort();
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}
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EmitAlignment(Align);
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O << "\t.type " << name << ",@object\n";
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O << "\t.size " << name << "," << Size << "\n";
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O << name << ":\t\t\t\t// ";
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WriteAsOperand(O, I, true, true, &M);
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O << " = ";
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WriteAsOperand(O, C, false, false, &M);
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O << "\n";
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EmitGlobalConstant(C);
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}
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}
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// we print out ".global X \n .type X, @function" for each external function
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O << "\n\n// br.call targets referenced (and not defined) above: \n";
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for (std::set<std::string>::iterator i = ExternalFunctionNames.begin(),
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e = ExternalFunctionNames.end(); i!=e; ++i) {
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O << "\t.global " << *i << "\n\t.type " << *i << ", @function\n";
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}
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O << "\n\n";
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// we print out ".global X \n .type X, @object" for each external object
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O << "\n\n// (external) symbols referenced (and not defined) above: \n";
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for (std::set<std::string>::iterator i = ExternalObjectNames.begin(),
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e = ExternalObjectNames.end(); i!=e; ++i) {
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O << "\t.global " << *i << "\n\t.type " << *i << ", @object\n";
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}
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O << "\n\n";
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AsmPrinter::doFinalization(M);
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return false; // success
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}
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namespace {
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struct IA64AsmPrinter : public IA64SharedAsmPrinter {
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IA64AsmPrinter(std::ostream &O, TargetMachine &TM)
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: IA64SharedAsmPrinter(O, TM) {
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IA64AsmPrinter(std::ostream &O, TargetMachine &TM) : AsmPrinter(O, TM) {
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CommentString = "//";
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Data8bitsDirective = "\tdata1\t"; // FIXME: check that we are
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Data16bitsDirective = "\tdata2.ua\t"; // disabling auto-alignment
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@ -227,6 +130,7 @@ namespace {
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void printOp(const MachineOperand &MO, bool isBRCALLinsn= false);
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bool runOnMachineFunction(MachineFunction &F);
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bool doInitialization(Module &M);
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bool doFinalization(Module &M);
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};
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} // end of anonymous namespace
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@ -379,6 +283,91 @@ bool IA64AsmPrinter::doInitialization(Module &M) {
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return false;
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}
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bool IA64AsmPrinter::doFinalization(Module &M) {
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const TargetData &TD = TM.getTargetData();
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// Print out module-level global variables here.
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for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
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I != E; ++I)
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if (I->hasInitializer()) { // External global require no code
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O << "\n\n";
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std::string name = Mang->getValueName(I);
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Constant *C = I->getInitializer();
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unsigned Size = TD.getTypeSize(C->getType());
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unsigned Align = TD.getTypeAlignmentShift(C->getType());
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if (C->isNullValue() &&
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(I->hasLinkOnceLinkage() || I->hasInternalLinkage() ||
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I->hasWeakLinkage() /* FIXME: Verify correct */)) {
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SwitchSection(".data", I);
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if (I->hasInternalLinkage()) {
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O << "\t.lcomm " << name << "," << TD.getTypeSize(C->getType())
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<< "," << (1 << Align);
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O << "\t\t// ";
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} else {
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O << "\t.common " << name << "," << TD.getTypeSize(C->getType())
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<< "," << (1 << Align);
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O << "\t\t// ";
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}
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WriteAsOperand(O, I, true, true, &M);
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O << "\n";
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} else {
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switch (I->getLinkage()) {
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case GlobalValue::LinkOnceLinkage:
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case GlobalValue::WeakLinkage: // FIXME: Verify correct for weak.
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// Nonnull linkonce -> weak
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O << "\t.weak " << name << "\n";
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O << "\t.section\t.llvm.linkonce.d." << name
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<< ", \"aw\", \"progbits\"\n";
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SwitchSection("", I);
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break;
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case GlobalValue::AppendingLinkage:
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// FIXME: appending linkage variables should go into a section of
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// their name or something. For now, just emit them as external.
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case GlobalValue::ExternalLinkage:
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// If external or appending, declare as a global symbol
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O << "\t.global " << name << "\n";
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// FALL THROUGH
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case GlobalValue::InternalLinkage:
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SwitchSection(C->isNullValue() ? ".bss" : ".data", I);
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break;
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case GlobalValue::GhostLinkage:
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std::cerr << "GhostLinkage cannot appear in IA64AsmPrinter!\n";
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abort();
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}
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EmitAlignment(Align);
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O << "\t.type " << name << ",@object\n";
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O << "\t.size " << name << "," << Size << "\n";
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O << name << ":\t\t\t\t// ";
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WriteAsOperand(O, I, true, true, &M);
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O << " = ";
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WriteAsOperand(O, C, false, false, &M);
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O << "\n";
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EmitGlobalConstant(C);
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}
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}
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// we print out ".global X \n .type X, @function" for each external function
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O << "\n\n// br.call targets referenced (and not defined) above: \n";
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for (std::set<std::string>::iterator i = ExternalFunctionNames.begin(),
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e = ExternalFunctionNames.end(); i!=e; ++i) {
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O << "\t.global " << *i << "\n\t.type " << *i << ", @function\n";
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}
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O << "\n\n";
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// we print out ".global X \n .type X, @object" for each external object
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O << "\n\n// (external) symbols referenced (and not defined) above: \n";
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for (std::set<std::string>::iterator i = ExternalObjectNames.begin(),
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e = ExternalObjectNames.end(); i!=e; ++i) {
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O << "\t.global " << *i << "\n\t.type " << *i << ", @object\n";
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}
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O << "\n\n";
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AsmPrinter::doFinalization(M);
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return false; // success
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}
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/// createIA64CodePrinterPass - Returns a pass that prints the IA64
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/// assembly code for a MachineFunction to the given output stream, using
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/// the given target machine description.
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