TargetLowering.h #includes SelectionDAGNodes.h, so it doesn't need its

own OpActionsCapacity magic number; it can just use ISD::BUILTIN_OP_END,
as long as it takes care to round up when needed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61733 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/CodeGen/SelectionDAGNodes.h

@@ -56,8 +56,6 @@ struct SDVTList {
 /// ISD namespace - This namespace contains an enum which represents all of the
 /// SelectionDAG node types and value types.
 ///
-/// If you add new elements here you should increase OpActionsCapacity in
-/// TargetLowering.h by the number of new elements.
 namespace ISD {
 
   //===--------------------------------------------------------------------===//

include/llvm/Target/TargetLowering.h

@@ -1489,15 +1489,12 @@ private:
   /// by the system, this holds the same type (e.g. i32 -> i32).
   MVT TransformToType[MVT::LAST_VALUETYPE];
 
-  // Defines the capacity of the TargetLowering::OpActions table
-  static const int OpActionsCapacity = 184;
-
   /// OpActions - For each operation and each value type, keep a LegalizeAction
   /// that indicates how instruction selection should deal with the operation.
   /// Most operations are Legal (aka, supported natively by the target), but
   /// operations that are not should be described.  Note that operations on
   /// non-legal value types are not described here.
-  uint64_t OpActions[OpActionsCapacity];
+  uint64_t OpActions[ISD::BUILTIN_OP_END];
   
   /// LoadExtActions - For each load of load extension type and each value type,
   /// keep a LegalizeAction that indicates how instruction selection should deal
@@ -1535,7 +1532,7 @@ private:
   /// like PerformDAGCombine callbacks for by calling setTargetDAGCombine(),
   /// which sets a bit in this array.
   unsigned char
-  TargetDAGCombineArray[OpActionsCapacity/(sizeof(unsigned char)*8)];
+  TargetDAGCombineArray[(ISD::BUILTIN_OP_END+CHAR_BIT-1)/CHAR_BIT];
   
   /// PromoteToType - For operations that must be promoted to a specific type,
   /// this holds the destination type.  This map should be sparse, so don't hold

lib/CodeGen/SelectionDAG/TargetLowering.cpp

@@ -398,8 +398,6 @@ static void InitCmpLibcallCCs(ISD::CondCode *CCs) {
 
 TargetLowering::TargetLowering(TargetMachine &tm)
   : TM(tm), TD(TM.getTargetData()) {
-  assert(ISD::BUILTIN_OP_END <= OpActionsCapacity &&
-         "Fixed size array in TargetLowering is not large enough!");
   // All operations default to being supported.
   memset(OpActions, 0, sizeof(OpActions));
   memset(LoadExtActions, 0, sizeof(LoadExtActions));