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...nning them, which may conflict with the user request from > command line. Who wins? > How to I know that a pass is required by another ? Let's say give priority to pass manager and issue a warning like like 'option -disable-pass=<pass_name> ignored because required by pass <other_pass>.' - Why not update the list passes run as part of -O2 (use > --debug-pass=Arguments to get it) to remove selected passes and run opt <my > list of passes> ... ? > > I also thought about this but it can lead to long command lines and source of errors. > > How shou...

Hello, On Dec 7, 2011, at 2:07 AM, Seb wrote: > Hi all, > > I would like to add an option for LLVM 'opt' to disable a specific optimization pass from command line. > > The idea is to have something like: > > opt -O2 -disable-pass=[passname,...] > > Do you think it could be useful ? I have few questions : - Why (and when) would you us this ? - Some of the

Hi all, I would like to add an option for LLVM 'opt' to disable a specific optimization pass from command line. The idea is to have something like: opt -O2 -disable-pass=[passname,...] Do you think it could be useful ? How should I proceed to develop it and commit changes to LLVM trunk ? Thanks for your advices and recommandations. Best Regards Seb -------------- next part