On April 9, 2015 5:11:00 PM GMT+02:00, Swati Rathi <swatira...@cse.iitb.ac.in> wrote: >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;
Even there merging isn't guaranteed. Richard. > > >On Thursday 09 April 2015 08:21 PM, Andrew Pinski wrote: >> On Thu, Apr 9, 2015 at 10:40 PM, Swati Rathi ><swatira...@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
