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refactor call operand handling to eliminate special cases from printOp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24401 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -103,7 +103,7 @@ namespace {
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bool printInstruction(const MachineInstr *MI);
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void printMachineInstruction(const MachineInstr *MI);
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void printOp(const MachineOperand &MO, bool IsCallOp = false);
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void printOp(const MachineOperand &MO);
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void printOperand(const MachineInstr *MI, unsigned OpNo, MVT::ValueType VT){
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const MachineOperand &MO = MI->getOperand(OpNo);
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@ -153,7 +153,21 @@ namespace {
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}
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void printCallOperand(const MachineInstr *MI, unsigned OpNo,
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MVT::ValueType VT) {
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printOp(MI->getOperand(OpNo), true);
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const MachineOperand &MO = MI->getOperand(OpNo);
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if (MO.getType() == MachineOperand::MO_ExternalSymbol) {
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std::string Name(GlobalPrefix); Name += MO.getSymbolName();
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FnStubs.insert(Name);
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O << "L" << Name << "$stub";
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} else if (MO.getType() == MachineOperand::MO_GlobalAddress &&
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isa<Function>(MO.getGlobal()) &&
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cast<Function>(MO.getGlobal())->isExternal()) {
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// Dynamically-resolved functions need a stub for the function.
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std::string Name = Mang->getValueName(MO.getGlobal());
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FnStubs.insert(Name);
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O << "L" << Name << "$stub";
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} else {
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printOp(MI->getOperand(OpNo));
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}
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}
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void printAbsAddrOperand(const MachineInstr *MI, unsigned OpNo,
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MVT::ValueType VT) {
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@ -273,7 +287,7 @@ FunctionPass *llvm::createAIXAsmPrinter(std::ostream &o, TargetMachine &tm) {
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// Include the auto-generated portion of the assembly writer
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#include "PPCGenAsmWriter.inc"
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void PPCAsmPrinter::printOp(const MachineOperand &MO, bool IsCallOp) {
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void PPCAsmPrinter::printOp(const MachineOperand &MO) {
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const MRegisterInfo &RI = *TM.getRegisterInfo();
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int new_symbol;
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@ -312,12 +326,6 @@ void PPCAsmPrinter::printOp(const MachineOperand &MO, bool IsCallOp) {
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return;
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case MachineOperand::MO_ExternalSymbol:
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if (IsCallOp) {
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std::string Name(GlobalPrefix); Name += MO.getSymbolName();
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FnStubs.insert(Name);
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O << "L" << Name << "$stub";
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return;
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}
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O << GlobalPrefix << MO.getSymbolName();
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return;
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@ -325,16 +333,6 @@ void PPCAsmPrinter::printOp(const MachineOperand &MO, bool IsCallOp) {
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GlobalValue *GV = MO.getGlobal();
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std::string Name = Mang->getValueName(GV);
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// Dynamically-resolved functions need a stub for the function. Be
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// wary however not to output $stub for external functions whose addresses
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// are taken. Those should be emitted as $non_lazy_ptr below.
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Function *F = dyn_cast<Function>(GV);
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if (F && IsCallOp && F->isExternal()) {
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FnStubs.insert(Name);
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O << "L" << Name << "$stub";
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return;
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}
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// External or weakly linked global variables need non-lazily-resolved stubs
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if ((GV->isExternal() || GV->hasWeakLinkage() || GV->hasLinkOnceLinkage())){
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if (GV->hasLinkOnceLinkage())
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