[LLVMdev] metadata in callgraph

[Haopeng Liu]

Hi Eric,

Thanks for your reply. I use CallGraphWrapperPass to traverse the call 
graph.

for (CallGraph::iterator i =...) {
   for (CallGraphNode::iterator j = ...) {
     Function *func = j->second->getFunction();
     //dump all instructions in func

I tried my pass on a small toy program. It can print dbg info for each 
instruction.

However, when I tried on transmission software, it reports an warning: 
"warning: ignoring debug info with an invalid version (1) in 
transmissioncli.bc".
And all dbg info was removed.

I compiled transmission with clang 3.6.1. Any suggestion?

-haopeng

When I run my Pass on an example *.c , i

On 6/17/15 4:43 PM, Eric Christopher wrote:
> Hmm? Can you be more specific? i.e. things like inlining are CGSCC 
> passes and handle debug information just fine.
>
> -eric
>
> On Wed, Jun 17, 2015 at 2:35 PM Haopeng Liu <hyliuhp at gmail.com 
> <mailto:hyliuhp at gmail.com>> wrote:
>
>     Hi All,
>
>     It seems that functions in callgraph remove all metadata info,
>     such as dbg.
>
>     Can I keep metadata in callgraph?
>
>     Best,
>     Haopeng
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