[PATCH] [ARM, Fix] Fix emitLeading/TrailingFence on old ARM processors

[JF Bastien]

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Comment at: lib/Target/ARM/ARMISelLowering.cpp:11003
@@ +11002,3 @@
+      auto LibCall = M->getOrInsertFunction("__sync_synchronize", FTy);
+      return Builder.CreateCall(LibCall, Builder.getInt32(0));
+    }
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Is there a test for this call? We need to make sure it actually calls what you expect.

http://reviews.llvm.org/D5304