commit 0a54da2fceb13cfef8faeb714b5a68f72ce68619
author Dan Gohman <gohman@apple.com> Thu Sep 09 20:53:58 2010 +0000
committer Dan Gohman <gohman@apple.com> Thu Sep 09 20:53:58 2010 +0000
tree 8406c4aac761e7e86cdb0017bc6ac61b3737b546
parent 2cbe0fd95637b312a2f842c97b13a08899403139

Print invalid metadata references as <badref>, for consistency with
regular value references.

llvm-svn: 113538

llvm/lib/VMCore/AsmWriter.cpp

diff --git a/llvm/lib/VMCore/AsmWriter.cpp b/llvm/lib/VMCore/AsmWriter.cpp
index 831a996..14b0161 100644
--- a/llvm/lib/VMCore/AsmWriter.cpp
+++ b/llvm/lib/VMCore/AsmWriter.cpp
@@ -1165,7 +1165,11 @@
       else
         Machine = new SlotTracker(Context);
     }
-    Out << '!' << Machine->getMetadataSlot(N);
+    int Slot = Machine->getMetadataSlot(N);
+    if (Slot == -1)
+      Out << "<badref>";
+    else
+      Out << '!' << Slot;
     return;
   }
 
@@ -1395,7 +1399,11 @@
   Out << "!" << NMD->getName() << " = !{";
   for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) {
     if (i) Out << ", ";
-    Out << '!' << Machine.getMetadataSlot(NMD->getOperand(i));
+    int Slot = Machine.getMetadataSlot(NMD->getOperand(i));
+    if (Slot == -1)
+      Out << "<badref>";
+    else
+      Out << '!' << Slot;
   }
   Out << "}\n";
 }