strength reduce MMI::MappedLabel to MMI::isLabelDeleted,
and add a FIXME about how we are eventually going to zap this
lookup table once mc world domination is complete.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98031 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ExecutionEngine/JIT/JITDwarfEmitter.cpp b/lib/ExecutionEngine/JIT/JITDwarfEmitter.cpp
index 946351b..da5435a 100644
--- a/lib/ExecutionEngine/JIT/JITDwarfEmitter.cpp
+++ b/lib/ExecutionEngine/JIT/JITDwarfEmitter.cpp
@@ -75,10 +75,9 @@
     unsigned LabelID = Move.getLabelID();
     
     if (LabelID) {
-      LabelID = MMI->MappedLabel(LabelID);
-    
       // Throw out move if the label is invalid.
-      if (!LabelID) continue;
+      if (MMI->isLabelDeleted(LabelID))
+        continue;
     }
     
     intptr_t LabelPtr = 0;
@@ -722,10 +721,9 @@
     unsigned LabelID = Move.getLabelID();
     
     if (LabelID) {
-      LabelID = MMI->MappedLabel(LabelID);
-    
       // Throw out move if the label is invalid.
-      if (!LabelID) continue;
+      if (MMI->isLabelDeleted(LabelID))
+        continue;
     }
     
     intptr_t LabelPtr = 0;