On Sun, Jul 17, 2011 at 5:17 AM, Matt Davis <mattdav...@gmail.com> wrote: > Hello, > I have a PARM_DECL node that I am passing to a function. Previously, my code > was working, but since I have made my optimization pass operate as an IPA > pass, > versus a GIMPLE pass, I think I am missing some verification/resolution call > that I need to make. > > Of course, when I pass the PARM_DECL to my function, I am now getting an error > from verify_ssa() suggesting that I should be passing a SSA_NAME instance. I > tried > using gimple_default_def() to obtain the SSA_NAME for that PARM_DECL, however, > the return value is NULL. Is there some other way of accessing the SSA_NAME > information for this PARM_DECL node? The SSA has been generated before my > plugin > executes. Also, I do call update_ssa() after the routines are processed by my > passes.
You have to create the default definition if it doesn't already exist - gimple_default_def only returns an existing one. Richard. > Thanks for any insight. > > -Matt >
