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stop the CBE from using deprecated Mangler stuff.

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llvm-svn: 93341
This commit is contained in:
Chris Lattner 2010-01-13 19:54:07 +00:00
parent d250df09f5
commit 6d1ddfeff2
1 changed files with 39 additions and 17 deletions
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56
lib/Target/CBackend/CBackend.cpp
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@ -342,6 +342,35 @@ namespace {
char CWriter::ID = 0;
static bool isAcceptableChar(char C) {
if ((C < 'a' || C > 'z') && (C < 'A' || C > 'Z') &&
(C < '0' || C > '9') && C != '_' && C != '$' && C != '@')
return false;
return true;
}
static char HexDigit(int V) {
return V < 10 ? V+'0' : V+'A'-10;
}
static std::string Mangle(const std::string &S) {
std::string Result;
for (unsigned i = 0, e = S.size(); i != e; ++i)
if (isAcceptableChar(S[i]))
Result += S[i];
else {
Result += '_';
Result += HexDigit((S[i] >> 4) & 15);
Result += HexDigit(S[i] & 15);
Result += '_';
}
return Result;
}
/// This method inserts names for any unnamed structure types that are used by
/// the program, and removes names from structure types that are not used by the
/// program.
@ -1432,8 +1461,11 @@ void CWriter::printConstantWithCast(Constant* CPV, unsigned Opcode) {
std::string CWriter::GetValueName(const Value *Operand) {
// Mangle globals with the standard mangler interface for LLC compatibility.
if (const GlobalValue *GV = dyn_cast<GlobalValue>(Operand))
return Mang->getMangledName(GV);
if (const GlobalValue *GV = dyn_cast<GlobalValue>(Operand)) {
SmallString<128> Str;
Mang->getNameWithPrefix(Str, GV, false);
return Mangle(Str.str().str());
}
std::string Name = Operand->getName();
@ -1858,7 +1890,6 @@ bool CWriter::doInitialization(Module &M) {
// Ensure that all structure types have names...
Mang = new Mangler(M);
Mang->markCharUnacceptable('.');
// Keep track of which functions are static ctors/dtors so they can have
// an attribute added to their prototypes.
@ -2208,17 +2239,12 @@ void CWriter::printModuleTypes(const TypeSymbolTable &TST) {
// If there are no type names, exit early.
if (I == End) return;
SmallString<128> TempName;
// Print out forward declarations for structure types before anything else!
Out << "/* Structure forward decls */\n";
for (; I != End; ++I) {
const char *Prefix = "struct l_";
TempName.append(Prefix, Prefix+strlen(Prefix));
Mang->makeNameProper(TempName, I->first);
Out << TempName.str() << ";\n";
TypeNames.insert(std::make_pair(I->second, TempName.str()));
TempName.clear();
std::string Name = "struct " + Mangle("l_"+I->first);
Out << Name << ";\n";
TypeNames.insert(std::make_pair(I->second, Name));
}
Out << '\n';
@ -2227,14 +2253,10 @@ void CWriter::printModuleTypes(const TypeSymbolTable &TST) {
// for struct or opaque types.
Out << "/* Typedefs */\n";
for (I = TST.begin(); I != End; ++I) {
const char *Prefix = "l_";
TempName.append(Prefix, Prefix+strlen(Prefix));
Mang->makeNameProper(TempName, I->first);
std::string Name = Mangle("l_"+I->first);
Out << "typedef ";
printType(Out, I->second, false, TempName.str());
printType(Out, I->second, false, Name);
Out << ";\n";
TempName.clear();
}
Out << '\n';