Don't crash if there is no Inst class in the tablegen file!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7402 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/TableGen.cpp b/utils/TableGen/TableGen.cpp
index 81529f0..17f2b2e 100644
--- a/utils/TableGen/TableGen.cpp
+++ b/utils/TableGen/TableGen.cpp
@@ -394,10 +394,12 @@
RemoveFileOnSignal(OutputFilename);
}
+ int ErrorCode = 0;
+
switch (Action) {
case Parse: ParseMachineCode(); break;
case GenEmitter:
- CodeEmitterGen(Records).createEmitter(*Out);
+ ErrorCode = CodeEmitterGen(Records).createEmitter(*Out);
break;
case PrintRecords:
*Out << Records; // No argument, dump all contents
@@ -421,5 +423,5 @@
}
if (Out != &std::cout) delete Out;
- return 0;
+ return ErrorCode;
}