On Tue, Sep 08, 2009 at 10:33:46PM -0700, Benjamin Ylvisaker wrote: > Does anyone know if there is any existing optimization in Cil that > will do the translation of > > int a; > int *b = &a; > *b = 4; > ... > > into > > int a; > int *b = &a; > a = 4; > ... > > ?
This is undecidable in the general case. But if you only need to match this very specific pattern (X = &Y; *X = ... ; => X = &Y; Y = ...;), it is straightforward to write a visitor performing the optimisation. Cil.peepHole2 is a generic function to do such things. Regards, -- Gabriel Kerneis ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july _______________________________________________ CIL-users mailing list CIL-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/cil-users
