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refactor call operand handling to eliminate special cases from printOp.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24401 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-11-17 19:25:59 +00:00
parent 3e7f86a037
commit 9ba13e4aef
1 changed files with 17 additions and 19 deletions
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36
lib/Target/PowerPC/PPCAsmPrinter.cpp
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@ -103,7 +103,7 @@ namespace {
bool printInstruction(const MachineInstr *MI);
void printMachineInstruction(const MachineInstr *MI);
void printOp(const MachineOperand &MO, bool IsCallOp = false);
void printOp(const MachineOperand &MO);
void printOperand(const MachineInstr *MI, unsigned OpNo, MVT::ValueType VT){
const MachineOperand &MO = MI->getOperand(OpNo);
@ -153,7 +153,21 @@ namespace {
}
void printCallOperand(const MachineInstr *MI, unsigned OpNo,
MVT::ValueType VT) {
printOp(MI->getOperand(OpNo), true);
const MachineOperand &MO = MI->getOperand(OpNo);
if (MO.getType() == MachineOperand::MO_ExternalSymbol) {
std::string Name(GlobalPrefix); Name += MO.getSymbolName();
FnStubs.insert(Name);
O << "L" << Name << "$stub";
} else if (MO.getType() == MachineOperand::MO_GlobalAddress &&
isa<Function>(MO.getGlobal()) &&
cast<Function>(MO.getGlobal())->isExternal()) {
// Dynamically-resolved functions need a stub for the function.
std::string Name = Mang->getValueName(MO.getGlobal());
FnStubs.insert(Name);
O << "L" << Name << "$stub";
} else {
printOp(MI->getOperand(OpNo));
}
}
void printAbsAddrOperand(const MachineInstr *MI, unsigned OpNo,
MVT::ValueType VT) {
@ -273,7 +287,7 @@ FunctionPass *llvm::createAIXAsmPrinter(std::ostream &o, TargetMachine &tm) {
// Include the auto-generated portion of the assembly writer
#include "PPCGenAsmWriter.inc"
void PPCAsmPrinter::printOp(const MachineOperand &MO, bool IsCallOp) {
void PPCAsmPrinter::printOp(const MachineOperand &MO) {
const MRegisterInfo &RI = *TM.getRegisterInfo();
int new_symbol;
@ -312,12 +326,6 @@ void PPCAsmPrinter::printOp(const MachineOperand &MO, bool IsCallOp) {
return;
case MachineOperand::MO_ExternalSymbol:
if (IsCallOp) {
std::string Name(GlobalPrefix); Name += MO.getSymbolName();
FnStubs.insert(Name);
O << "L" << Name << "$stub";
return;
}
O << GlobalPrefix << MO.getSymbolName();
return;
@ -325,16 +333,6 @@ void PPCAsmPrinter::printOp(const MachineOperand &MO, bool IsCallOp) {
GlobalValue *GV = MO.getGlobal();
std::string Name = Mang->getValueName(GV);
// Dynamically-resolved functions need a stub for the function. Be
// wary however not to output $stub for external functions whose addresses
// are taken. Those should be emitted as $non_lazy_ptr below.
Function *F = dyn_cast<Function>(GV);
if (F && IsCallOp && F->isExternal()) {
FnStubs.insert(Name);
O << "L" << Name << "$stub";
return;
}
// External or weakly linked global variables need non-lazily-resolved stubs
if ((GV->isExternal() || GV->hasWeakLinkage() || GV->hasLinkOnceLinkage())){
if (GV->hasLinkOnceLinkage())