Add llvm_unreachable for ... unreachable code!
llvm-svn: 77480
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 5055487..c8eed72 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -6207,7 +6207,7 @@
case Intrinsic::x86_sse41_ptestnzc:{
unsigned X86CC = 0;
switch (IntNo) {
- default: break;
+ default: llvm_unreachable("Bad fallthrough in Intrinsic lowering.");
case Intrinsic::x86_sse41_ptestz:
// ZF = 1
X86CC = X86::COND_E;