Add llvm_unreachable to silence a "not all control paths" false positive warning...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272793 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/IR/AsmWriter.cpp b/lib/IR/AsmWriter.cpp
index 0d488c27aa8a7acc61091a7c2ac093a720e2e076..3404ae7dc7f0e2ffcf6202f230e02f88e8e7f07e 100644 (file)
--- a/lib/IR/AsmWriter.cpp
+++ b/lib/IR/AsmWriter.cpp
@@ -2435,6 +2435,7 @@ static StringRef getUnnamedAddrEncoding(GlobalVariable::UnnamedAddr UA) {
   case GlobalVariable::UnnamedAddr::Global:
     return "unnamed_addr";
   }
+  llvm_unreachable("Unknown UnnamedAddr");
 }
 
 static void maybePrintComdat(formatted_raw_ostream &Out,