From 02fc1512cd0076f79ebee25fd2b5e5d4a0ae56c3 Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper@intel.com>
Date: Wed, 14 Aug 2019 14:51:19 +0000
Subject: [PATCH] [X86] Add llvm_unreachable to a switch that covers all
 expected values.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@368857 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/X86ISelDAGToDAG.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/Target/X86/X86ISelDAGToDAG.cpp b/lib/Target/X86/X86ISelDAGToDAG.cpp
index fcf9b4148b4..364f54ca5aa 100644
--- a/lib/Target/X86/X86ISelDAGToDAG.cpp
+++ b/lib/Target/X86/X86ISelDAGToDAG.cpp
@@ -4201,6 +4201,7 @@ void X86DAGToDAGISel::Select(SDNode *Node) {
 
       unsigned Opc = 0;
       switch (IntNo) {
+      default: llvm_unreachable("Unexpected intrinsic!");
       case Intrinsic::x86_sse3_monitor:
         if (!Subtarget->hasSSE3())
           break;
-- 
2.49.0