-
-std::string Mangler::getValueName(const GlobalValue *GV) {
- // Check to see whether we've already named V.
- std::string &Name = Memo[GV];
- if (!Name.empty())
- return Name; // Return the already-computed name for V.
-
- // Name mangling occurs as follows:
- // - If V is an intrinsic function, do not change name at all
- // - Otherwise, mangling occurs if global collides with existing name.
- if (isa<Function>(GV) && cast<Function>(GV)->getIntrinsicID()) {
- Name = GV->getName(); // Is an intrinsic function
- } else if (!GV->hasName()) {
- // Must mangle the global into a unique ID.
- unsigned TypeUniqueID = getTypeID(GV->getType());
- static unsigned GlobalID = 0;
- Name = "__unnamed_" + utostr(TypeUniqueID) + "_" + utostr(GlobalID++);
- } else if (!MangledGlobals.count(GV)) {
- Name = makeNameProper(GV->getName(), Prefix);
- } else {
- unsigned TypeUniqueID = getTypeID(GV->getType());
- Name = "l" + utostr(TypeUniqueID) + "_" + makeNameProper(GV->getName());
- }
-
- return Name;
-}
-
-void Mangler::InsertName(GlobalValue *GV,
- std::map<std::string, GlobalValue*> &Names) {
- if (!GV->hasName()) // We must mangle unnamed globals.
- return;
-
- // Figure out if this is already used.
- GlobalValue *&ExistingValue = Names[GV->getName()];
- if (!ExistingValue) {
- ExistingValue = GV;
- } else {
- // If GV is external but the existing one is static, mangle the existing one
- if (GV->hasExternalLinkage() && !ExistingValue->hasExternalLinkage()) {
- MangledGlobals.insert(ExistingValue);
- ExistingValue = GV;
- } else if (GV->hasExternalLinkage() && ExistingValue->hasExternalLinkage()&&
- GV->isExternal() && ExistingValue->isExternal()) {
- // If the two globals both have external inkage, and are both external,
- // don't mangle either of them, we just have some silly type mismatch.
- } else {
- // Otherwise, mangle GV
- MangledGlobals.insert(GV);
- }
- }
-}
-
-
-Mangler::Mangler(Module &M, const char *prefix)
- : Prefix(prefix), UseQuotes(false), Count(0), TypeCounter(0) {
- std::fill(AcceptableChars,
- AcceptableChars+sizeof(AcceptableChars)/sizeof(AcceptableChars[0]),
- 0);
+Mangler::Mangler(Module &M, const char *prefix, const char *privatePrefix,
+ const char *linkerPrivatePrefix)
+ : Prefix(prefix), PrivatePrefix(privatePrefix),
+ LinkerPrivatePrefix(linkerPrivatePrefix), UseQuotes(false),
+ NextAnonGlobalID(1) {
+ std::fill(AcceptableChars, array_endof(AcceptableChars), 0);