[LLVMdev] Here need your help

Tim Northover t.p.northover at gmail.com
Tue Oct 23 12:36:49 PDT 2012


I'm afraid you may have asked your question on the wrong list.
"make_function" does not appear in the LLVM source, so it's almost
certainly part of icedtea. Because of that, the LLVM-specific answers
to your questions will probably not be that useful. However:

>     1, Is any function which can replace the "make_function" in the
> following function,

Not in LLVM. It looks like our closest equivalent is a "fence"
instruction. It could probably do what you want with the correct
arguments (a "fence seq_cst" covers all barriers I can bring to mind),
but the details of what's needed are likely buried in your non-LLVM

>     2 , Or is there any  different paramters in make_function with the
> similar action with the following one

Haven't the foggiest.

>     3 ,Is there a function similar with "nop" which can return a address in
> LLVM or Shark ,

This sounds dodgy to me. If you really wanted to you could just return
an "undef" pointer (or 0 as a valid LLVM Value). But barriers are
there for a reason, and presumably something will try to use the
pointer you're returning so an invalid one may well be spectacularly

It all comes down to icedtea again.


More information about the llvm-dev mailing list