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Add a new option for targets that accept quoted labels.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24283 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2005-11-10 19:30:07 +00:00
parent 6c636c0fff
commit ac8c834288
2 changed files with 61 additions and 24 deletions
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61
lib/VMCore/Mangler.cpp
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@ -30,24 +30,51 @@ static std::string MangleLetter(unsigned char C) {
///
std::string Mangler::makeNameProper(const std::string &X, const char *Prefix) {
std::string Result;
// If X does not start with (char)1, add the prefix.
std::string::const_iterator I = X.begin();
if (*I != 1)
Result = Prefix;
else
++I; // Skip over the marker.
// Mangle the first letter specially, don't allow numbers...
if (*I >= '0' && *I <= '9')
Result += MangleLetter(*I++);
for (std::string::const_iterator E = X.end(); I != E; ++I)
if ((*I < 'a' || *I > 'z') && (*I < 'A' || *I > 'Z') &&
(*I < '0' || *I > '9') && *I != '_' && *I != '$')
Result += MangleLetter(*I);
if (!UseQuotes) {
// If X does not start with (char)1, add the prefix.
std::string::const_iterator I = X.begin();
if (*I != 1)
Result = Prefix;
else
Result += *I;
++I; // Skip over the marker.
// Mangle the first letter specially, don't allow numbers...
if (*I >= '0' && *I <= '9')
Result += MangleLetter(*I++);
for (std::string::const_iterator E = X.end(); I != E; ++I)
if ((*I < 'a' || *I > 'z') && (*I < 'A' || *I > 'Z') &&
(*I < '0' || *I > '9') && *I != '_' && *I != '$')
Result += MangleLetter(*I);
else
Result += *I;
} else {
bool NeedsQuotes = false;
// If X does not start with (char)1, add the prefix.
std::string::const_iterator I = X.begin();
if (*I != 1)
Result = Prefix;
else
++I; // Skip over the marker.
// If the first character is a number, we need quotes.
if (*I >= '0' && *I <= '9')
NeedsQuotes = true;
for (std::string::const_iterator E = X.end(); I != E; ++I)
if (*I == '"')
Result += "_QQ_";
else {
if ((*I < 'a' || *I > 'z') && (*I < 'A' || *I > 'Z') &&
(*I < '0' || *I > '9') && *I != '_' && *I != '$' && *I != '.')
NeedsQuotes = true;
Result += *I;
}
if (NeedsQuotes)
Result = '"' + Result + '"';
}
return Result;
}
@ -119,7 +146,7 @@ void Mangler::InsertName(GlobalValue *GV,
Mangler::Mangler(Module &M, const char *prefix)
: Prefix(prefix), Count(0), TypeCounter(0) {
: Prefix(prefix), UseQuotes(false), Count(0), TypeCounter(0) {
// Calculate which global values have names that will collide when we throw
// away type information.
std::map<std::string, GlobalValue*> Names;