commit e7c51137aa4c260710090898f6ea516aed8d7c77
author Simon Pilgrim <llvm-dev@redking.me.uk> Sat May 11 15:24:34 2019 +0000
committer Simon Pilgrim <llvm-dev@redking.me.uk> Sat May 11 15:24:34 2019 +0000
tree 66fa18cfaf246e4d772be461a91f873cb8a3dd18
parent 4871a3057e49275ae6a0d0efa136ce9903b90fec

HexagonConstEvaluator::evaluateHexExt - check incoming opcodes. NFCI.

Only certain extension opcodes are supported - fixes scan build warning.

llvm-svn: 360520

llvm/lib/Target/Hexagon/HexagonConstPropagation.cpp

diff --git a/llvm/lib/Target/Hexagon/HexagonConstPropagation.cpp b/llvm/lib/Target/Hexagon/HexagonConstPropagation.cpp
index f19a13f..2d5444c 100644
--- a/llvm/lib/Target/Hexagon/HexagonConstPropagation.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonConstPropagation.cpp
@@ -2723,6 +2723,8 @@
     case Hexagon::A2_sxtw:
       Bits = 32;
       break;
+    default:
+      llvm_unreachable("Unhandled extension opcode");
   }
 
   bool Signed = false;