[llvm-commits] [llvm] r137527 - in /llvm/trunk: docs/ lib/AsmParser/ lib/VMCore/ test/Assembler/ test/Transforms/DeadArgElim/ test/Transforms/DeadStoreElimination/ test/Transforms/EarlyCSE/ test/Transforms/GlobalOpt/ test/Transforms/InstCombine/ test/Transforms/JumpThreading/ test/Transforms/LICM/ test/Transforms/ObjCARC/ test/Transforms/ScalarRepl/ test/Transforms/SimplifyCFG/ test/Transforms/SimplifyLibCalls/

[Chris Lattner]

On Aug 12, 2011, at 3:54 PM, Eric Christopher wrote:

> 
> On Aug 12, 2011, at 3:50 PM, Eli Friedman wrote:
> 
>> Note that this change affects the existing non-atomic load and store
>> instructions; the parser now accepts both forms, and the change is noted
>> in the release notes.
> 
> Since there are already a pile of incompatible language changes for 3.0 did we want to avoid the compatibility change and maybe just use AutoUpgrade if we wanted to?

We can drop compatibility with 2.9 whenever 3.1 is released, but 3.0 should still read 2.9 files.

-Chris

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