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Commit 7c3bdede authored by Eli Friedman's avatar Eli Friedman
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Generic expansion for atomic load/store into cmpxchg/atomicrmw xchg;... 

Generic expansion for atomic load/store into cmpxchg/atomicrmw xchg; implements 64-bit atomic load/store for ARM.

llvm-svn: 138872
parent af8c3cc7
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