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Add support for a marker byte that indicates that we shouldn't add the user

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prefix to a symbol name


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23421 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-09-24 08:24:28 +00:00
parent 8baaa4f0b6
commit 5b845c9443
1 changed files with 12 additions and 7 deletions
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19
lib/VMCore/Mangler.cpp
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@ -28,16 +28,21 @@ static std::string MangleLetter(unsigned char C) {
/// makeNameProper - We don't want identifier names non-C-identifier characters /// makeNameProper - We don't want identifier names non-C-identifier characters
/// in them, so mangle them as appropriate. /// in them, so mangle them as appropriate.
/// ///
std::string Mangler::makeNameProper(const std::string &X) { std::string Mangler::makeNameProper(const std::string &X, const char *Prefix) {
std::string Result; std::string Result;
// Mangle the first letter specially, don't allow numbers... // If X does not start with (char)1, add the prefix.
if ((X[0] < 'a' || X[0] > 'z') && (X[0] < 'A' || X[0] > 'Z') && X[0] != '_') std::string::const_iterator I = X.begin();
Result += MangleLetter(X[0]); if (*I != 1)
Result = Prefix;
else else
Result += X[0]; ++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 I = X.begin()+1, E = X.end(); I != E; ++I) for (std::string::const_iterator E = X.end(); I != E; ++I)
if ((*I < 'a' || *I > 'z') && (*I < 'A' || *I > 'Z') && if ((*I < 'a' || *I > 'z') && (*I < 'A' || *I > 'Z') &&
(*I < '0' || *I > '9') && *I != '_') (*I < '0' || *I > '9') && *I != '_')
Result += MangleLetter(*I); Result += MangleLetter(*I);
@ -75,7 +80,7 @@ std::string Mangler::getValueName(const Value *V) {
if (gv && isa<Function>(gv) && cast<Function>(gv)->getIntrinsicID()) { if (gv && isa<Function>(gv) && cast<Function>(gv)->getIntrinsicID()) {
name = gv->getName(); // Is an intrinsic function name = gv->getName(); // Is an intrinsic function
} else if (gv && !gv->hasInternalLinkage() && !MangledGlobals.count(gv)) { } else if (gv && !gv->hasInternalLinkage() && !MangledGlobals.count(gv)) {
name = Prefix + makeNameProper(gv->getName()); name = makeNameProper(gv->getName(), Prefix);
} else { } else {
// Non-global, or global with internal linkage / colliding name // Non-global, or global with internal linkage / colliding name
// -> mangle. // -> mangle.