[llvm] r368857 - [X86] Add llvm_unreachable to a switch that covers all expected values.

[Craig Topper via llvm-commits]

Author: ctopper
Date: Wed Aug 14 07:51:19 2019
New Revision: 368857

URL: http://llvm.org/viewvc/llvm-project?rev=368857&view=rev
Log:
[X86] Add llvm_unreachable to a switch that covers all expected values.

Modified:
    llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp

Modified: llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp?rev=368857&r1=368856&r2=368857&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp Wed Aug 14 07:51:19 2019
@@ -4201,6 +4201,7 @@ void X86DAGToDAGISel::Select(SDNode *Nod
 
       unsigned Opc = 0;
       switch (IntNo) {
+      default: llvm_unreachable("Unexpected intrinsic!");
       case Intrinsic::x86_sse3_monitor:
         if (!Subtarget->hasSSE3())
           break;