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move a method and add a comment, no functionality change.

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llvm-svn: 75520
This commit is contained in:
Chris Lattner 2009-07-13 21:53:19 +00:00
parent f6caa6f1e3
commit 734c817d24
1 changed files with 89 additions and 86 deletions
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175
lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
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@ -287,92 +287,9 @@ bool X86ATTAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
return false;
}
/// print_pcrel_imm - This is used to print an immediate value that ends up
/// being encoded as a pc-relative value. These print slightly differently, for
/// example, a $ is not emitted.
void X86ATTAsmPrinter::print_pcrel_imm(const MachineInstr *MI, unsigned OpNo) {
const MachineOperand &MO = MI->getOperand(OpNo);
switch (MO.getType()) {
default: LLVM_UNREACHABLE( "Unknown pcrel immediate operand");
case MachineOperand::MO_Immediate:
O << MO.getImm();
return;
case MachineOperand::MO_MachineBasicBlock:
printBasicBlockLabel(MO.getMBB(), false, false, VerboseAsm);
return;
case MachineOperand::MO_GlobalAddress: {
const GlobalValue *GV = MO.getGlobal();
std::string Name = Mang->getValueName(GV);
decorateName(Name, GV);
bool needCloseParen = false;
if (Name[0] == '$') {
// The name begins with a dollar-sign. In order to avoid having it look
// like an integer immediate to the assembler, enclose it in parens.
O << '(';
needCloseParen = true;
}
// Handle dllimport linkage.
if (MO.getTargetFlags() == X86II::MO_DLLIMPORT)
O << "__imp_" << Name;
else if (MO.getTargetFlags() == X86II::MO_DARWIN_STUB) {
FnStubs.insert(Name);
printSuffixedName(Name, "$stub");
} else {
O << Name;
}
if (needCloseParen)
O << ')';
// Assemble call via PLT for externally visible symbols.
if (MO.getTargetFlags() == X86II::MO_PLT)
O << "@PLT";
printOffset(MO.getOffset());
return;
}
case MachineOperand::MO_ExternalSymbol: {
bool needCloseParen = false;
std::string Name(TAI->getGlobalPrefix());
Name += MO.getSymbolName();
if (Name[0] == '$') {
// The name begins with a dollar-sign. In order to avoid having it look
// like an integer immediate to the assembler, enclose it in parens.
O << '(';
needCloseParen = true;
}
if (MO.getTargetFlags() == X86II::MO_DARWIN_STUB) {
FnStubs.insert(Name);
printSuffixedName(Name, "$stub");
} else {
O << Name;
}
if (MO.getTargetFlags() == X86II::MO_GOT_ABSOLUTE_ADDRESS) {
O << " + [.-";
PrintPICBaseSymbol();
O << ']';
}
if (MO.getTargetFlags() == X86II::MO_PLT)
O << "@PLT";
if (needCloseParen)
O << ')';
return;
}
}
}
/// printSymbolOperand - Print a raw symbol reference operand. This handles
/// jump tables, constant pools, global address and external symbols, all of
/// which print to a label with various suffixes for relocation types etc.
void X86ATTAsmPrinter::printSymbolOperand(const MachineOperand &MO) {
switch (MO.getType()) {
default: LLVM_UNREACHABLE("unknown symbol type!");
@ -470,6 +387,92 @@ void X86ATTAsmPrinter::printSymbolOperand(const MachineOperand &MO) {
}
}
/// print_pcrel_imm - This is used to print an immediate value that ends up
/// being encoded as a pc-relative value. These print slightly differently, for
/// example, a $ is not emitted.
void X86ATTAsmPrinter::print_pcrel_imm(const MachineInstr *MI, unsigned OpNo) {
const MachineOperand &MO = MI->getOperand(OpNo);
switch (MO.getType()) {
default: LLVM_UNREACHABLE( "Unknown pcrel immediate operand");
case MachineOperand::MO_Immediate:
O << MO.getImm();
return;
case MachineOperand::MO_MachineBasicBlock:
printBasicBlockLabel(MO.getMBB(), false, false, VerboseAsm);
return;
case MachineOperand::MO_GlobalAddress: {
const GlobalValue *GV = MO.getGlobal();
std::string Name = Mang->getValueName(GV);
decorateName(Name, GV);
bool needCloseParen = false;
if (Name[0] == '$') {
// The name begins with a dollar-sign. In order to avoid having it look
// like an integer immediate to the assembler, enclose it in parens.
O << '(';
needCloseParen = true;
}
// Handle dllimport linkage.
if (MO.getTargetFlags() == X86II::MO_DLLIMPORT)
O << "__imp_" << Name;
else if (MO.getTargetFlags() == X86II::MO_DARWIN_STUB) {
FnStubs.insert(Name);
printSuffixedName(Name, "$stub");
} else {
O << Name;
}
if (needCloseParen)
O << ')';
// Assemble call via PLT for externally visible symbols.
if (MO.getTargetFlags() == X86II::MO_PLT)
O << "@PLT";
printOffset(MO.getOffset());
return;
}
case MachineOperand::MO_ExternalSymbol: {
bool needCloseParen = false;
std::string Name(TAI->getGlobalPrefix());
Name += MO.getSymbolName();
if (Name[0] == '$') {
// The name begins with a dollar-sign. In order to avoid having it look
// like an integer immediate to the assembler, enclose it in parens.
O << '(';
needCloseParen = true;
}
if (MO.getTargetFlags() == X86II::MO_DARWIN_STUB) {
FnStubs.insert(Name);
printSuffixedName(Name, "$stub");
} else {
O << Name;
}
if (MO.getTargetFlags() == X86II::MO_GOT_ABSOLUTE_ADDRESS) {
O << " + [.-";
PrintPICBaseSymbol();
O << ']';
}
if (MO.getTargetFlags() == X86II::MO_PLT)
O << "@PLT";
if (needCloseParen)
O << ')';
return;
}
}
}
void X86ATTAsmPrinter::printOperand(const MachineInstr *MI, unsigned OpNo,
const char *Modifier) {