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If an "LLVM name" has wierd characters in it, print it out in double quotes instead of prefixing it with %

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llvm-svn: 8049
This commit is contained in:
Chris Lattner 2003-08-22 05:40:38 +00:00
parent 327089b9da
commit 7cdcd38942
1 changed files with 32 additions and 9 deletions
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41
lib/VMCore/AsmWriter.cpp
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@ -64,6 +64,29 @@ static SlotCalculator *createSlotCalculator(const Value *V) {
return 0;
}
// getLLVMName - Turn the specified string into an 'LLVM name', which is either
// prefixed with % (if the string only contains simple characters) or is
// surrounded with ""'s (if it has special chars in it).
static std::string getLLVMName(const std::string &Name) {
assert(!Name.empty() && "Cannot get empty name!");
// First character cannot start with a number...
if (Name[0] >= '0' && Name[0] <= '9')
return "\"" + Name + "\"";
// Scan to see if we have any characters that are not on the "white list"
for (unsigned i = 0, e = Name.size(); i != e; ++i) {
char C = Name[i];
assert(C != '"' && "Illegal character in LLVM value name!");
if ((C < 'a' || C > 'z') && (C < 'A' || C > 'Z') && (C < '0' || C > '9') &&
C != '-' && C != '.' && C != '_')
return "\"" + Name + "\"";
}
// If we get here, then the identifier is legal to use as a "VarID".
return "%"+Name;
}
// If the module has a symbol table, take all global types and stuff their
// names into the TypeNames map.
@ -82,7 +105,7 @@ static void fillTypeNameTable(const Module *M,
const Type *Ty = cast<Type>(I->second);
if (!isa<PointerType>(Ty) ||
!cast<PointerType>(Ty)->getElementType()->isPrimitiveType())
TypeNames.insert(std::make_pair(Ty, "%"+I->first));
TypeNames.insert(std::make_pair(Ty, getLLVMName(I->first)));
}
}
}
@ -332,7 +355,7 @@ static void WriteConstantInt(std::ostream &Out, const Constant *CV,
} else if (const ConstantPointerRef *PR = dyn_cast<ConstantPointerRef>(CV)) {
const GlobalValue *V = PR->getValue();
if (V->hasName()) {
Out << "%" << V->getName();
Out << getLLVMName(V->getName());
} else if (Table) {
int Slot = Table->getValSlot(V);
if (Slot >= 0)
@ -375,7 +398,7 @@ static void WriteAsOperandInternal(std::ostream &Out, const Value *V,
SlotCalculator *Table) {
Out << " ";
if (PrintName && V->hasName()) {
Out << "%" << V->getName();
Out << getLLVMName(V->getName());
} else {
if (const Constant *CV = dyn_cast<Constant>(V)) {
WriteConstantInt(Out, CV, PrintName, TypeTable, Table);
@ -547,7 +570,7 @@ void AssemblyWriter::printModule(const Module *M) {
}
void AssemblyWriter::printGlobal(const GlobalVariable *GV) {
if (GV->hasName()) Out << "%" << GV->getName() << " = ";
if (GV->hasName()) Out << getLLVMName(GV->getName()) << " = ";
if (!GV->hasInitializer())
Out << "external ";
@ -583,7 +606,7 @@ void AssemblyWriter::printSymbolTable(const SymbolTable &ST) {
if (const Constant *CPV = dyn_cast<Constant>(V)) {
printConstant(CPV);
} else if (const Type *Ty = dyn_cast<Type>(V)) {
Out << "\t%" << I->first << " = type ";
Out << "\t" << getLLVMName(I->first) << " = type ";
// Make sure we print out at least one level of the type structure, so
// that we do not get %FILE = type %FILE
@ -602,7 +625,7 @@ void AssemblyWriter::printConstant(const Constant *CPV) {
if (!CPV->hasName()) return;
// Print out name...
Out << "\t%" << CPV->getName() << " =";
Out << "\t" << getLLVMName(CPV->getName()) << " =";
// Write the value out now...
writeOperand(CPV, true, false);
@ -627,7 +650,7 @@ void AssemblyWriter::printFunction(const Function *F) {
case GlobalValue::ExternalLinkage: break;
}
printType(F->getReturnType()) << " %" << F->getName() << "(";
printType(F->getReturnType()) << " " << getLLVMName(F->getName()) << "(";
Table.incorporateFunction(F);
// Loop over the arguments, printing them...
@ -670,7 +693,7 @@ void AssemblyWriter::printArgument(const Argument *Arg) {
// Output name, if available...
if (Arg->hasName())
Out << " %" << Arg->getName();
Out << " " << getLLVMName(Arg->getName());
else if (Table.getValSlot(Arg) < 0)
Out << "<badref>";
}
@ -736,7 +759,7 @@ void AssemblyWriter::printInstruction(const Instruction &I) {
// Print out name if it exists...
if (I.hasName())
Out << "%" << I.getName() << " = ";
Out << getLLVMName(I.getName()) << " = ";
// Print out the opcode...
Out << I.getOpcodeName();