Make sure to handle the case where emitPredicateMatch returns false. Noticed by...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139317 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/utils/TableGen/FixedLenDecoderEmitter.cpp b/utils/TableGen/FixedLenDecoderEmitter.cpp
index 61a0d614a47ae276323f59f3758e51a4054efe15..33c97c9c2df9af33ebf94bfdd98c32444aaa4bc9 100644 (file)
--- a/utils/TableGen/FixedLenDecoderEmitter.cpp
+++ b/utils/TableGen/FixedLenDecoderEmitter.cpp
@@ -818,7 +818,8 @@ bool FilterChooser::emitSingletonDecoder(raw_ostream &o, unsigned &Indentation,
   // If we have matched all the well-known bits, just issue a return.
   if (Size == 0) {
     o.indent(Indentation) << "if (";
-    emitPredicateMatch(o, Indentation, Opc);
+    if (!emitPredicateMatch(o, Indentation, Opc))
+      o << "1";
     o << ") {\n";
     o.indent(Indentation) << "  MI.setOpcode(" << Opc << ");\n";
     std::vector<OperandInfo>& InsnOperands = Operands[Opc];