/// their linkage is changed to available-externally.
class IRMaterializationUnit : public MaterializationUnit {
public:
+ using SymbolNameToDefinitionMap = std::map<SymbolStringPtr, GlobalValue *>;
+
+ /// Create an IRMaterializationLayer. Scans the module to build the
+ /// SymbolFlags and SymbolToDefinition maps.
IRMaterializationUnit(ExecutionSession &ES, std::unique_ptr<Module> M);
+ /// Create an IRMaterializationLayer from a module, and pre-existing
+ /// SymbolFlags and SymbolToDefinition maps. The maps must provide
+ /// entries for each definition in M.
+ /// This constructor is useful for delegating work from one
+ /// IRMaterializationUnit to another.
+ IRMaterializationUnit(std::unique_ptr<Module> M, SymbolFlagsMap SymbolFlags,
+ SymbolNameToDefinitionMap SymbolToDefinition);
+
protected:
std::unique_ptr<Module> M;
- std::map<SymbolStringPtr, GlobalValue *> SymbolToDefinition;
+ SymbolNameToDefinitionMap SymbolToDefinition;
private:
void discard(const VSO &V, SymbolStringPtr Name) override;
}
}
+IRMaterializationUnit::IRMaterializationUnit(
+ std::unique_ptr<Module> M, SymbolFlagsMap SymbolFlags,
+ SymbolNameToDefinitionMap SymbolToDefinition)
+ : MaterializationUnit(std::move(SymbolFlags)), M(std::move(M)),
+ SymbolToDefinition(std::move(SymbolToDefinition)) {}
+
void IRMaterializationUnit::discard(const VSO &V, SymbolStringPtr Name) {
auto I = SymbolToDefinition.find(Name);
assert(I != SymbolToDefinition.end() &&