Added a temporary option -no-isel-fold-inflight to control whether a "inflight"

node can be folded.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28003 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/CodeGen/SelectionDAGISel.h

@@ -40,6 +40,7 @@ public:
   SSARegMap *RegMap;
   SelectionDAG *CurDAG;
   MachineBasicBlock *BB;
+  bool FoldNodeInFlight;
 
   SelectionDAGISel(TargetLowering &tli) : TLI(tli), JT(0,0,0,0) {}