void FuncPGOInstrumentation<Edge, BBInfo>::renameComdatFunction() {
if (!canRenameComdat(F, ComdatMembers))
return;
+ std::string OrigName = F.getName().str();
std::string NewFuncName =
Twine(F.getName() + "." + Twine(FunctionHash)).str();
F.setName(Twine(NewFuncName));
+ GlobalAlias::create(GlobalValue::WeakAnyLinkage, OrigName, &F);
FuncName = Twine(FuncName + "." + Twine(FunctionHash)).str();
Comdat *NewComdat;
Module *M = F.getParent();
if (GlobalAlias *GA = dyn_cast<GlobalAlias>(CM.second)) {
// For aliases, change the name directly.
assert(dyn_cast<Function>(GA->getAliasee()->stripPointerCasts()) == &F);
+ std::string OrigGAName = GA->getName().str();
GA->setName(Twine(GA->getName() + "." + Twine(FunctionHash)));
+ GlobalAlias::create(GlobalValue::WeakAnyLinkage, OrigGAName, GA);
continue;
}
// Must be a function.
; Rename AvailableExternallyLinkage functions
; ELFONLY-DAG: $aef.[[SINGLEBB_HASH]] = comdat any
+
+; ELFONLY: @f = weak alias void (), void ()* @f.[[SINGLEBB_HASH]]
+; ELFONLY: @f_with_alias = weak alias void (), void ()* @f_with_alias.[[SINGLEBB_HASH]]
+; ELFONLY: @af = weak alias void (...), void (...)* @af.[[SINGLEBB_HASH]]
+; ELFONLY: @aef = weak alias void (), void ()* @aef.[[SINGLEBB_HASH]]
+
define available_externally void @aef() {
; ELFONLY: define linkonce_odr void @aef.[[SINGLEBB_HASH]]() comdat {
; COFFONLY: define available_externally void @aef() {