static bool shouldInternalize(const GlobalValue &GV,
const std::set<std::string> &ExternalNames,
bool OnlyHidden) {
if (OnlyHidden && !GV.hasHiddenVisibility())
return false;
// Function must be defined here
if (GV.isDeclaration())
return false;
// Available externally is really just a "declaration with a body".
if (GV.hasAvailableExternallyLinkage())
return false;
// Assume that dllexported symbols are referenced elsewhere
if (GV.hasDLLExportStorageClass())
return false;
// Already has internal linkage
if (GV.hasLocalLinkage())
return false;
// Marked to keep external?
if (ExternalNames.count(GV.getName()))
return false;
return true;
}
JITSymbolFlags llvm::JITSymbolFlags::fromGlobalValue(const GlobalValue &GV) {
JITSymbolFlags Flags = JITSymbolFlags::None;
if (GV.hasWeakLinkage() || GV.hasLinkOnceLinkage())
Flags |= JITSymbolFlags::Weak;
if (GV.hasCommonLinkage())
Flags |= JITSymbolFlags::Common;
if (!GV.hasLocalLinkage() && !GV.hasHiddenVisibility())
Flags |= JITSymbolFlags::Exported;
if (isa<Function>(GV))
Flags |= JITSymbolFlags::Callable;
else if (isa<GlobalAlias>(GV) &&
isa<Function>(cast<GlobalAlias>(GV).getAliasee()))
Flags |= JITSymbolFlags::Callable;
return Flags;
}