How to extract types of variables and its uid?

[Swati Rathi]

I have enabled the LTO infrastructure using -flto -flto-partition=none.

In the LTO infrastructure, when I try to print the TYPE_UID for the 
types of variable var1 and var2, its different (as mentioned in my first 
post).

IStream *var1;
IStream *var2;



On Thursday 09 April 2015 08:21 PM, Andrew Pinski wrote:
> On Thu, Apr 9, 2015 at 10:40 PM, Swati Rathi <swatirathi@cse.iitb.ac.in> wrote:
>> Even I am getting same uid's on small programs.
>> I tried declaring variables across files also.
>> But I am unable to replicate the problem on small programs.
>>
>> I am testing on SPEC CPU2006 benchmark suite, program - 453.povray
>> Below is the information which is getting dumped using
>> -fdump-tree-gimple-uid
>>
>> IStream has different uid's -> 5363, 5364, 11467 and 11521. In a file the
>> uid is same.
>> Can you suggest other experiments to identify the reason?
>
> Yes UID are only the same compiling unit.  If you want to do some
> analysis with types across units you should be using LTO
> infrastructure.
>
> Thanks,
> Andrew