proposal for compilation unil wide alias analyis

[Richard Henderson]

On Sun, Jun 27, 2004 at 09:34:54AM -0400, Kenneth Zadeck wrote:
> Having said that, my question is where do I start?  For the first round 
> of this, it is certainly not necessary for me to analyze on top of ssa 
> form, and in principal I could even work on the parse trees since all I 
> need is to examine all of the addressing operators and operands in each 
> function in the compilation unit before the actual transformations begin 
> on any one function.
> 
> I think it is still an open question as to how important it is to have 
> ssa form already built to start this.

I think if you wrote your pass to operate on gimple, then updating
the code later to work on ssa form will be trivial.



r~