From: Craig Topper <craig.topper@gmail.com>
Date: Sun, 28 May 2017 18:24:37 +0000 (+0000)
Subject: [TableGen][X86] Add an llvm_unreachable to a switch so we get an error if we need... 
X-Git-Tag: llvmorg-5.0.0-rc1~4072
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2bf31523251c3fad5648e8be89693ddee22602f3;p=platform%2Fupstream%2Fllvm.git

[TableGen][X86] Add an llvm_unreachable to a switch so we get an error if we need expansion in the future.

llvm-svn: 304097
---

diff --git a/llvm/utils/TableGen/X86FoldTablesEmitter.cpp b/llvm/utils/TableGen/X86FoldTablesEmitter.cpp
index 1495b0b..b3be593 100644
--- a/llvm/utils/TableGen/X86FoldTablesEmitter.cpp
+++ b/llvm/utils/TableGen/X86FoldTablesEmitter.cpp
@@ -585,6 +585,7 @@ void X86FoldTablesEmitter::updateTables(const CodeGenInstruction *RegInstr,
       Record *MemOpRec = MemInstr->Operands[i].Rec;
       if (isRegisterOperand(RegOpRec) && isMemoryOperand(MemOpRec)) {
         switch (i) {
+        default: llvm_unreachable("Unexpected operand count!");
         case 0:
           addEntryWithFlags(Table0, RegInstr, MemInstr, S, 0);
           return;