[llvm] r272793 - Add llvm_unreachable to silence a "not all control paths" false positive warning from MSVC.

[Aaron Ballman via llvm-commits]

Author: aaronballman
Date: Wed Jun 15 10:27:53 2016
New Revision: 272793

URL: http://llvm.org/viewvc/llvm-project?rev=272793&view=rev
Log:
Add llvm_unreachable to silence a "not all control paths" false positive warning from MSVC.

Modified:
    llvm/trunk/lib/IR/AsmWriter.cpp

Modified: llvm/trunk/lib/IR/AsmWriter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/AsmWriter.cpp?rev=272793&r1=272792&r2=272793&view=diff
==============================================================================
--- llvm/trunk/lib/IR/AsmWriter.cpp (original)
+++ llvm/trunk/lib/IR/AsmWriter.cpp Wed Jun 15 10:27:53 2016
@@ -2435,6 +2435,7 @@ static StringRef getUnnamedAddrEncoding(
   case GlobalVariable::UnnamedAddr::Global:
     return "unnamed_addr";
   }
+  llvm_unreachable("Unknown UnnamedAddr");
 }
 
 static void maybePrintComdat(formatted_raw_ostream &Out,