Have tblgen produce code that tolerates operands that return an invalid match class.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135287 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/AsmMatcherEmitter.cpp b/utils/TableGen/AsmMatcherEmitter.cpp
index d9c3b84..a6a4fec 100644
--- a/utils/TableGen/AsmMatcherEmitter.cpp
+++ b/utils/TableGen/AsmMatcherEmitter.cpp
@@ -1656,6 +1656,10 @@
OS << " " << Info.Target.getName() << "Operand &Operand = *("
<< Info.Target.getName() << "Operand*)GOp;\n";
+ // The InvalidMatchClass is not to match any operand.
+ OS << " if (Kind == InvalidMatchClass)\n";
+ OS << " return false;\n\n";
+
// Check for Token operands first.
OS << " if (Operand.isToken())\n";
OS << " return MatchTokenString(Operand.getToken()) == Kind;\n\n";