Jim Grosbach 9a526495e0 Some targets don't require the fencing MEMBARRIER instructions surrounding ... atomic intrinsics, either because the use locking instructions for the atomics, or because they perform the locking directly. Add support in the DAG combiner to fold away the fences. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106630 91177308-0d34-0410-b5e6-96231b3b80d8		2010-06-23 16:07:42 +00:00
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llvm	Some targets don't require the fencing MEMBARRIER instructions surrounding	2010-06-23 16:07:42 +00:00
llvm-c	add some more (void)'s to prototypes for PR6961	2010-04-29 23:27:32 +00:00