Peter,
That is not what Chris Lattner said...
http://lists.cs.uiuc.edu/pipermail/llvmdev/2009-January/019687.html
Remember that the libLTO.dylib included in Xcode 3.1.2 is
generated from the llvm source tree, specifically in
llvm-2.5/tools/lto, and definitely is a work in progress.
I would be surprised if the llvm in Xcode 3.1.2 is newer
than llvm-2.3.
Jack
On Mon, Feb 09, 2009 at 08:32:14AM -0600, Peter O'Gorman wrote:
> Jack Howarth wrote:
>
> > The libLTO.dylib in Xcode 3.2.1 only supports dead code
> > elimination at -O4 whereas the libLTO.dylib in llvm 2.5
> > provides additional optiminizations like inlining across
> > code files.
>
> I am not sure about the utility of a fink providied libLTO.
>
> The llvm-gcc release notes say:
> "
> LLVM-GCC 4.2 supports a wide range of interprocedural optimizations,
> including global variable optimization, inter modular inlining,
> interprocedural constant propagation and dead argument elimination.
> "
>
> http://developer.apple.com/ReleaseNotes/DeveloperTools/RN-llvm-gcc/index.html
>
> And, since libLTO functions are called by ld to to do the optimizations,
> how are you ensuring that /usr/bin/ld is using fink's libLTO?
>
> Peter
> --
> Peter O'Gorman
> http://pogma.com
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