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* Remove the very substantial, largely unmaintained legacy PGOChandler Carruth2013-10-021-4/+0
| | | | | | | | | | | | | | | | | | | | infrastructure. This was essentially work toward PGO based on a design that had several flaws, partially dating from a time when LLVM had a different architecture, and with an effort to modernize it abandoned without being completed. Since then, it has bitrotted for several years further. The result is nearly unusable, and isn't helping any of the modern PGO efforts. Instead, it is getting in the way, adding confusion about PGO in LLVM and distracting everyone with maintenance on essentially dead code. Removing it paves the way for modern efforts around PGO. Among other effects, this removes the last of the runtime libraries from LLVM. Those are being developed in the separate 'compiler-rt' project now, with somewhat different licensing specifically more approriate for runtimes. llvm-svn: 191835
* Undo removal of the runtime libraries. While this may have been a bitReid Spencer2006-11-171-0/+4
| | | | | | | premature, these libraries will be going away for the 2.0 release. Other arrangements for profiling, gc, etc. should be made in the next few months. llvm-svn: 31807
* In LLVM 2.0 we won't use the runtime libraries as llvm-gcc3 support willReid Spencer2006-11-161-4/+0
| | | | | | be dropped. This patch pertains to removing the runtime directory from LLVM. llvm-svn: 31793
* Update readmeChris Lattner2003-08-151-25/+4
| | | | llvm-svn: 7859
* Add note about what this isChris Lattner2002-11-061-0/+25
llvm-svn: 4581
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