[LLVMdev] interactive llvm interpreter?

[Chris Lattner]

On Mar 5, 2009, at 8:54 AM, Mattias Holm wrote:

> Hi,
>
> Does any interactive llvm interpreter exist or is there one being
> developed at the moment? What I am talking about is something like LLI
> but interactive so that it is possible to step through LLVM code
> statement by statement and inspect the results of various expressions.
> This would for example greatly simplify debugging of compiler passes.
>
> We are thinking of having a master's student work on that as a
> master's thesis project, but it would be good to know whether that
> would be duplicating anyone else's current ongoing work.

I don't know of anything like that.  One implementation approach would  
be to insert debug information into a .ll file based on the location  
information of the .ll file itself.  That would allow you to compile  
the code normally and step through "the .ll file" in GDB.

-Chris