Index: llvm/trunk/docs/LangRef.rst =================================================================== --- llvm/trunk/docs/LangRef.rst +++ llvm/trunk/docs/LangRef.rst @@ -204,14 +204,15 @@ (``STB_LOCAL`` in the case of ELF) in the object file. This corresponds to the notion of the '``static``' keyword in C. ``available_externally`` - Globals with "``available_externally``" linkage are never emitted - into the object file corresponding to the LLVM module. They exist to - allow inlining and other optimizations to take place given knowledge - of the definition of the global, which is known to be somewhere - outside the module. Globals with ``available_externally`` linkage - are allowed to be discarded at will, and are otherwise the same as - ``linkonce_odr``. This linkage type is only allowed on definitions, - not declarations. + Globals with "``available_externally``" linkage are never emitted into + the object file corresponding to the LLVM module. From the linker's + perspective, an ``available_externally`` global is equivalent to + an external declaration. They exist to allow inlining and other + optimizations to take place given knowledge of the definition of the + global, which is known to be somewhere outside the module. Globals + with ``available_externally`` linkage are allowed to be discarded at + will, and allow inlining and other optimizations. This linkage type is + only allowed on definitions, not declarations. ``linkonce`` Globals with "``linkonce``" linkage are merged with other globals of the same name when linkage occurs. This can be used to implement