From 45787e56829f47e45d127882b1cd1821e7022e68 Mon Sep 17 00:00:00 2001
From: Michael Liao <michael.hliao@gmail.com>
Date: Fri, 25 Oct 2019 01:05:34 -0400
Subject: [PATCH] Fix compilation warning. NFC.

---
 clang/lib/CodeGen/CGBuiltin.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index 2caa8509ea06..9a56116173ec 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -6874,6 +6874,7 @@ Value *CodeGenFunction::EmitARMMVEBuiltinExpr(unsigned BuiltinID,
     return ToReturn;
   }
   }
+  llvm_unreachable("unknown custom codegen type.");
 }
 
 static Value *EmitAArch64TblBuiltinExpr(CodeGenFunction &CGF, unsigned BuiltinID,