Remove AsmThatEarlyClobber etc. from LiveIntervalAnalysis

and redo as linked list walk.  Logic moved into RA.
Per review feedback.

llvm-svn: 56326

llvm/lib/CodeGen/LiveInterval.cpp

@@ -686,6 +686,10 @@ void LiveInterval::print(std::ostream &OS,
     OS << "%reg" << reg;
 
   OS << ',' << weight;
+  if (isEarlyClobber)
+    OS << ",earlyclobber";
+  if (overlapsEarlyClobber)
+    OS << ",overlapsearly";
 
   if (empty())
     OS << " EMPTY";