For the outermost function needing a context frame, use the address of that frame as the nest argument instead of the address of a single-element list containing only that frame address. This saves some stack space and reduces memory accesses.

#ifndef LDC_GEN_TOOBJ_H
#define LDC_GEN_TOOBJ_H

void writeModule(llvm::Module* m, std::string filename);

#endif