weili747 <weili747@xxxxxxxxx> writes:
> I am trying to use "-dv" flag in the GCC. For each of the other
> indicated dump files (either with -d or -fdump-rtl-pass), it dumps a
> representation of the control flow graph suitable for viewing with VCG
> to file.pass.vcg. How to use it correctly? I apologizes it its a very
> simple question. currently, I am trying in the following way:
>
>
> gcc -g -dv test.c
You have to use it in conjunction with some other -d option. E.g.,
gcc -g -c -dv -da test.c
That will give you a bunch of test.c.*.*.vcg files.
Ian
