Forgot to check that debug information is supported.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65034 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/AsmWriterEmitter.cpp b/utils/TableGen/AsmWriterEmitter.cpp
index 3b66b94..6d2fa55 100644
--- a/utils/TableGen/AsmWriterEmitter.cpp
+++ b/utils/TableGen/AsmWriterEmitter.cpp
@@ -640,7 +640,7 @@
   }
   O << "\";\n\n";
 
-  O << "  {\n"
+  O << "  if (TAI->doesSupportDebugInformation()) {\n"
     << "    const MachineFunction *MF = MI->getParent()->getParent();\n"
     << "    static DebugLoc PrevDL = DebugLoc::getUnknownLoc();\n"
     << "    DebugLoc CurDL = MI->getDebugLoc();\n\n"
@@ -649,7 +649,7 @@
     << "      printLabel(DW->RecordSourceLine(DLT.Line, DLT.Col, DLT.Src));\n"
     << "    }\n\n"
     << "    PrevDL = CurDL;\n"
-    << "  }\n";
+    << "  }\n\n";
 
   O << "  if (MI->getOpcode() == TargetInstrInfo::INLINEASM) {\n"
     << "    O << \"\\t\";\n"