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30656
2014 Mar 07
3
[LLVMdev] [RFC] Add second "failure" AtomicOrdering to cmpxchg instruction
...e sequences. A failed ``cmpxchg`` is equivalent to an atomic
+load with an ordering parameter determined the second ordering parameter.
Example:
""""""""
diff --git a/include/llvm/CodeGen/SelectionDAG.h b/include/llvm/CodeGen/SelectionDAG.h
index adba296..a30656a 100644
--- a/include/llvm/CodeGen/SelectionDAG.h
+++ b/include/llvm/CodeGen/SelectionDAG.h
@@ -692,12 +692,14 @@ public:
SDValue getAtomic(unsigned Opcode, SDLoc dl, EVT MemVT, SDValue Chain,
SDValue Ptr, SDValue Cmp, SDValue Swp,
MachinePointerInfo PtrI...