Replace a comment that says 'unreachable' with llvm_unreachable in TableGen AsmWriter...

llvm-svn: 222650

diff --git a/llvm/utils/TableGen/AsmWriterEmitter.cpp b/llvm/utils/TableGen/AsmWriterEmitter.cpp
index 7d26aee..4089ede 100644 (file)
--- a/llvm/utils/TableGen/AsmWriterEmitter.cpp
+++ b/llvm/utils/TableGen/AsmWriterEmitter.cpp
@@ -474,7 +474,7 @@ void AsmWriterEmitter::EmitPrintInstruction(raw_ostream &O) {
       O << "  switch ((Bits >> "
         << (64-BitsLeft) << ") & "
         << ((1 << NumBits)-1) << ") {\n"
-        << "  default:   // unreachable.\n";
+        << "  default: llvm_unreachable(\"Invalid command number.\");\n";
 
       // Print out all the cases.
       for (unsigned i = 0, e = Commands.size(); i != e; ++i) {