Fix MSVC "not all control paths return a value" warning. NFCI.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@373100 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/tools/llvm-exegesis/lib/SnippetRepetitor.cpp b/tools/llvm-exegesis/lib/SnippetRepetitor.cpp
index 551ee5341a07dc751273374b0662fc5015079e78..954471659e5931f1e891b5986d8e0f4e4a4a0e90 100644 (file)
--- a/tools/llvm-exegesis/lib/SnippetRepetitor.cpp
+++ b/tools/llvm-exegesis/lib/SnippetRepetitor.cpp
@@ -110,6 +110,7 @@ SnippetRepetitor::Create(InstructionBenchmark::RepetitionModeE Mode,
   case InstructionBenchmark::Loop:
     return std::make_unique<LoopSnippetRepetitor>(State);
   }
+  llvm_unreachable("Unknown RepetitionModeE enum");
 }
 
 } // namespace exegesis