Fixed MSVC 'not all control paths return a value' warning

llvm-svn: 268198

diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp
index 99c6500..6954124 100644 (file)
--- a/llvm/lib/Analysis/ScalarEvolution.cpp
+++ b/llvm/lib/Analysis/ScalarEvolution.cpp
@@ -9574,6 +9574,7 @@ static StringRef loopDispositionToStr(ScalarEvolution::LoopDisposition LD) {
   case ScalarEvolution::LoopComputable:
     return "Computable";
   }
+  llvm_unreachable("Unknown ScalarEvolution::LoopDisposition kind!");
 }
 
 void ScalarEvolution::print(raw_ostream &OS) const {