陳韋任 <che...@iis.sinica.edu.tw> writes: >> Can I dump other information such as CFG in a similar way as register >> usage does? > > At the end of the link belows, > > http://gcc.gnu.org/onlinedocs/gccint/Maintaining-the-CFG.html#Maintaining-the-CFG > > It says, > > "Note that at present, the representation of control flow in the tree > representation is discarded before expanding to RTL. Long term the CFG > should be maintained and "expanded" to the RTL representation along > with the function tree itself." > > Does this mean in the end of GCC compilation, the CFG information is > lost? Thanks!
That documentation is out of date. The CFG is now retained through most of the RTL passes. Ian
