[LLVMdev] Debugging LLVM opt pass

Harmen van der Spek hvdspek at liacs.nl
Mon Jan 11 00:33:48 PST 2010

Compile all sources in DEBUG mode. Then you can run opt in gdb for 
instance, set command line arguments using "set args" and set a 
breakpoint using "break file:linenum".

This also works for debugging dynamically linked libraries loaded
with the -load option of opt.


Gang-Ryung Uh wrote:
>        *What would be the recommended way to debug LLVM opt pass? Is 
> there any way to perform source level debugging on a particular opt pass?
> *
> *-- UGR*
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