[Sparc] Implements exception handling in SPARC with DwarfCFI.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191432 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp b/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
index c48445f..b92f49c 100644
--- a/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
@@ -185,6 +185,9 @@
   case MCCFIInstruction::OpOffset:
     OutStreamer.EmitCFIOffset(Inst.getRegister(), Inst.getOffset());
     break;
+  case MCCFIInstruction::OpRegister:
+    OutStreamer.EmitCFIRegister(Inst.getRegister(), Inst.getRegister2());
+    break;
   case MCCFIInstruction::OpWindowSave:
     OutStreamer.EmitCFIWindowSave();
     break;