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On Mon, Jan 14, 2013 at 2:07 PM, Christopher Jefferson < chris at bubblescope.net> wrote: > > 3) Optimize quickly or '-O1' > > - Attribute: quickopt (this would be a new attribute) > > - Goal: Perform basic optimizations to improve both performance and > simplicity of the code, but perform them *quickly*. > > This level is all about co...

On 14 Jan 2013 09:10, "Chandler Carruth" <chandlerc at gmail.com> wrote: > > This has been an idea floating around in my head for a while and after several discussions with others it continues to hold up so I thought I would mail it out. Sorry for cross posting to both lists, but this is an issue that would significantly impact both LLVM and Clang. > > > 3) Optimize

On 28 Oct 2011, at 18:26, Daniel Dunbar wrote: > On Fri, Oct 28, 2011 at 9:56 AM, Óscar Fuentes <ofv at wanadoo.es> wrote: >> >> You guys are mixing several things on the discussion. What Dan proposed >> makes no difference for Xcode. If it speeds up the Makefile-based build >> (something I doubt) that's good, but it is unnecessary for that system >> to

On Fri, Oct 28, 2011 at 9:56 AM, Óscar Fuentes <ofv at wanadoo.es> wrote: > Reid Kleckner <reid.kleckner at gmail.com> writes: > >> While eliminating duplication is one of the goals I see in this build system >> change, I think the more important ones are a) simplifying the build files >> and b) making the build faster. > > The "build files" are

This has been an idea floating around in my head for a while and after several discussions with others it continues to hold up so I thought I would mail it out. Sorry for cross posting to both lists, but this is an issue that would significantly impact both LLVM and Clang. Essentially, LLVM provides canned optimization "levels" for frontends to re-use. This is nothing new. However, we