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Author SHA1 Message Date
David Blaikie a953f2825b Update Clang tests to handle explicitly typed load changes in LLVM. 
llvm-svn: 230795
 2015-02-27 21:19:58 +00:00
Tim Northover e8c3721165 ARM: use LLVM's atomicrmw instructions when ldrex/strex are available. 
Having some kind of weird kernel-assisted ABI for these when the
native instructions are available appears to be (and should be) the
exception; OSs have been gradually opting in for years and the code
was getting silly.

So let LLVM decide whether it's possible/profitable to inline them by
default.

Patch by Phoebe Buckheister.

llvm-svn: 212598
 2014-07-09 09:24:43 +00:00