On Darwin ARM, set the UNWIND_RESUME libcall to _Unwind_SjLj_Resume.
This is important for the correct lowering of unwind instructions
(which doesn't matter at all) and llvm.eh.resume calls (which does).

Take 2, now with more basic competence.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132295 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index a78c3ed..1e90d42 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -656,6 +656,7 @@
     setOperationAction(ISD::EH_SJLJ_SETJMP, MVT::i32, Custom);
     setOperationAction(ISD::EH_SJLJ_LONGJMP, MVT::Other, Custom);
     setOperationAction(ISD::EH_SJLJ_DISPATCHSETUP, MVT::Other, Custom);
+    setLibcallName(RTLIB::UNWIND_RESUME, "_Unwind_SjLj_Resume");
   }
 
   setOperationAction(ISD::SETCC,     MVT::i32, Expand);