[llvm-commits] [llvm] r133273 - in /llvm/trunk: include/llvm/Bitcode/ lib/Bitcode/Reader/ test/Bitcode/ tools/llvm-bcanalyzer/

[Chris Lattner]

On Jun 17, 2011, at 3:53 PM, Bob Wilson wrote:

> 
> On Jun 17, 2011, at 11:09 AM, Chris Lattner wrote:
> 
>> Author: lattner
>> Date: Fri Jun 17 13:09:11 2011
>> New Revision: 133273
>> 
>> URL: http://llvm.org/viewvc/llvm-project?rev=133273&view=rev
>> Log:
>> remove support for a bunch of obsolete instruction encodings
>> and other backward compatibility hacks.
> 
> So do we no longer care about continuing to load bit code files from previous releases of LLVM?  I'm wondering in particular about the neon-intrinsics auto-upgrading.  Last I heard, we were guaranteeing that those old bit code files would continue to work.  Did that change?

Yep, traditionally the x.0 release drop compatibility with previous bitcode files.  I'm been trying to keep compatibility with 2.9, but that's not really required.

-Chris