std::string getModuleId(Module *M) {
MD5 Md5;
bool ExportsSymbols = false;
- auto AddGlobal = [&](GlobalValue &GV) {
+ for (auto &GV : M->global_values()) {
if (GV.isDeclaration() || GV.getName().startswith("llvm.") ||
!GV.hasExternalLinkage())
- return;
+ continue;
ExportsSymbols = true;
Md5.update(GV.getName());
Md5.update(ArrayRef<uint8_t>{0});
- };
-
- for (auto &F : *M)
- AddGlobal(F);
- for (auto &GV : M->globals())
- AddGlobal(GV);
- for (auto &GA : M->aliases())
- AddGlobal(GA);
- for (auto &IF : M->ifuncs())
- AddGlobal(IF);
+ }
if (!ExportsSymbols)
return "";
// Promote each local-linkage entity defined by ExportM and used by ImportM by
// changing visibility and appending the given ModuleId.
void promoteInternals(Module &ExportM, Module &ImportM, StringRef ModuleId) {
- auto PromoteInternal = [&](GlobalValue &ExportGV) {
+ for (auto &ExportGV : ExportM.global_values()) {
if (!ExportGV.hasLocalLinkage())
- return;
+ continue;
GlobalValue *ImportGV = ImportM.getNamedValue(ExportGV.getName());
if (!ImportGV || ImportGV->use_empty())
- return;
+ continue;
std::string NewName = (ExportGV.getName() + ModuleId).str();
ImportGV->setName(NewName);
ImportGV->setVisibility(GlobalValue::HiddenVisibility);
- };
-
- for (auto &F : ExportM)
- PromoteInternal(F);
- for (auto &GV : ExportM.globals())
- PromoteInternal(GV);
- for (auto &GA : ExportM.aliases())
- PromoteInternal(GA);
- for (auto &IF : ExportM.ifuncs())
- PromoteInternal(IF);
+ }
}
// Promote all internal (i.e. distinct) type ids used by the module by replacing