[llvm-commits] Function aliases

[Anton Korobeynikov]

Gordon,

> Why not simply reinsert the aliased GV into the symbol table under the
> alias name? In this manner, alias objects would not need to derive
> from GlobalValue at all. Aliases could be stored in a list on the side
> as you describe, solving the memory usage problem. The majority of
> code could remain ignorant of them,
The main problem is that code should not ignore them :( Also, they
should be codegen'ed in some funky way, when we're needed both names:
alias and it's target at one place. Such information can be unavailable
if we'll put aliases in the separate table. I don't think, there is some
"direct" way to query symbol table at codegen-level. However, this can
be good idea: to have some module-level map, which stores alias targets.

-- 
With best regards, Anton Korobeynikov.

Faculty of Mathematics & Mechanics, Saint Petersburg State University.