Further progration of metadata operands. The

dumper doesn't really do what I want yet, but
at least it doesn't crash now.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93272 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 12 insertions, 1 deletions

diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp
index f9c20e6473..cf3e3e1601 100644
--- a/lib/CodeGen/MachineInstr.cpp
+++ b/lib/CodeGen/MachineInstr.cpp
@@ -34,6 +34,7 @@
 #include "llvm/Support/MathExtras.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/ADT/FoldingSet.h"
+#include "llvm/Metadata.h"
 using namespace llvm;
 
 //===----------------------------------------------------------------------===//
@@ -278,10 +279,15 @@ void MachineOperand::print(raw_ostream &OS, const TargetMachine *TM) const {
     OS << '>';
     break;
   case MachineOperand::MO_BlockAddress:
-    OS << "<";
+    OS << '<';
     WriteAsOperand(OS, getBlockAddress(), /*PrintType=*/false);
     OS << '>';
     break;
+  case MachineOperand::MO_Metadata:
+    OS << '<';
+    WriteAsOperand(OS, getMetadata(), /*PrintType=*/false);
+    OS << '>';
+    break;
   default:
     llvm_unreachable("Unrecognized operand type");
   }
diff --git a/lib/VMCore/AsmWriter.cpp b/lib/VMCore/AsmWriter.cpp
index 7cb5a7c759..92dbd93d35 100644
--- a/lib/VMCore/AsmWriter.cpp
+++ b/lib/VMCore/AsmWriter.cpp
@@ -564,6 +564,9 @@ static SlotTracker *createSlotTracker(const Value *V) {
   if (const Function *Func = dyn_cast<Function>(V))
     return new SlotTracker(Func);
 
+  if (isa<MDNode>(V))
+    return new SlotTracker((Function *)0);
+
   return 0;
 }
 
@@ -1136,6 +1139,8 @@ static void WriteAsOperandInternal(raw_ostream &Out, const Value *V,
       return;
     }
   
+    if (!Machine)
+      Machine = createSlotTracker(V);
     Out << '!' << Machine->getMetadataSlot(N);
     return;
   }