Refactor DAGCombinerInfo. Change the different booleans that indicate if we are before or after different runs of DAGCo, with the CombineLevel enum.

Also, added a new API for checking if we are running before or after the LegalizeVectorOps phase. 



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171142 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 7 deletions

diff --git a/include/llvm/CodeGen/SelectionDAG.h b/include/llvm/CodeGen/SelectionDAG.h
index b150c29d0f..431c67963f 100644
--- a/include/llvm/CodeGen/SelectionDAG.h
+++ b/include/llvm/CodeGen/SelectionDAG.h
@@ -18,6 +18,7 @@
 #include "llvm/ADT/DenseSet.h"
 #include "llvm/ADT/StringMap.h"
 #include "llvm/ADT/ilist.h"
+#include "llvm/CodeGen/DAGCombine.h"
 #include "llvm/CodeGen/SelectionDAGNodes.h"
 #include "llvm/Support/RecyclingAllocator.h"
 #include "llvm/Target/TargetMachine.h"
@@ -111,13 +112,6 @@ public:
   DbgIterator ByvalParmDbgEnd()   { return ByvalParmDbgValues.end(); }
 };
 
-enum CombineLevel {
-  BeforeLegalizeTypes,
-  AfterLegalizeTypes,
-  AfterLegalizeVectorOps,
-  AfterLegalizeDAG
-};
-
 class SelectionDAG;
 void checkForCycles(const SDNode *N);
 void checkForCycles(const SelectionDAG *DAG);