[PATCH] Mutate TargetLowering::shouldExpandAtomicRMWInIR to specifically dictate how AtomicRMWInsts are expanded.

[Tim Northover]

No tests? No explanation?


REPOSITORY
  rL LLVM

================
Comment at: include/llvm/Target/TargetLowering.h:1083
@@ +1082,3 @@
+  virtual AtomicRMWExpansionKind shouldExpandAtomicRMWInIR(AtomicRMWInst *RMWI) const {
+    (void)RMWI;
+    return AtomicRMWExpansionKind::Native;
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Does any compiler really whinge about this?

http://reviews.llvm.org/D7713

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