search for: r233227

...et-cpu/target-feature/etc. are set at compile time. That's where users are accustomed to specifying codegen options already, and besides: the frontend needs to know the backend in order to conform to the ABI, set macros, emit calls to target-specific intrinsics, etc. I'll send a review of r233227 in a moment to that effect ;). > 2) How to pass other sorts of options to the backend for code generation > > - -ffoo options -fno-foo options. I.e. -fno-inline, etc. I think this is really pretty important from the user POV. It affects things at a more global level. This is easy to sol...

>From PR18808 I said a few things and that I was going to redirect to the mailing list for further discussion. So here we are, go. 1) Whether or not to allow changing of target-cpu/target-feature/triple at link time code generation. - Not convinced here of the facility to do so. Could just recompile the individual bitcode files to get what you want, but there are some users that are trying to