>> This introduces a meaning to -ON during the link. That normally show up by >> people passing CFLAGS when linking. > > I'm not sure what you mean? When I build clang with cake the link is driven > by clang, it will accept the O flag by not propagate it to the actual linker. > How would CFLAGS help?
It doesn't. It is just a way -O3 sometimes ends up in a link (clang) line. > Now we thought about that a few months ago and we were planning to do > something during the bring up of ThinLTO. > The alternative to the command line flag is to encode the optimization level > in the bitcode itself. > It may have the advantage (for ThinLTO) to be able to LTO each file with > different optimization level. I don't have a strong preference one way or the other. Cheers, Rafael _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
