namespace llvm {
namespace SymbolRewriter {
+void rewriteComdat(Module &M, GlobalObject *GO, const std::string &Source,
+ const std::string &Target) {
+ if (Comdat *CD = GO->getComdat()) {
+ auto &Comdats = M.getComdatSymbolTable();
+
+ Comdat *C = M.getOrInsertComdat(Target);
+ C->setSelectionKind(CD->getSelectionKind());
+ GO->setComdat(C);
+
+ Comdats.erase(Comdats.find(Source));
+ }
+}
+
template <RewriteDescriptor::Type DT, typename ValueType,
ValueType *(llvm::Module::*Get)(StringRef) const>
class ExplicitRewriteDescriptor : public RewriteDescriptor {
bool ExplicitRewriteDescriptor<DT, ValueType, Get>::performOnModule(Module &M) {
bool Changed = false;
if (ValueType *S = (M.*Get)(Source)) {
+ if (GlobalObject *GO = dyn_cast<GlobalObject>(S))
+ rewriteComdat(M, GO, Source, Target);
+
if (Value *T = (M.*Get)(Target))
S->setValueName(T->getValueName());
else
S->setName(Target);
+
Changed = true;
}
return Changed;
if (C.getName() == Name)
continue;
+ if (GlobalObject *GO = dyn_cast<GlobalObject>(&C))
+ rewriteComdat(M, GO, C.getName(), Name);
+
if (Value *V = (M.*Get)(Name))
C.setValueName(V->getValueName());
else