Revert CostTable algorithm, will re-write

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172992 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 52 deletions

diff --git a/include/llvm/Analysis/TargetTransformInfo.h b/include/llvm/Analysis/TargetTransformInfo.h
index 3d44e77..d694aa6 100644
--- a/include/llvm/Analysis/TargetTransformInfo.h
+++ b/include/llvm/Analysis/TargetTransformInfo.h
@@ -210,58 +210,6 @@ public:
 /// satisfy the queries.
 ImmutablePass *createNoTargetTransformInfoPass();
 
-//======================================= COST TABLES ==
-
-/// \brief An entry in a cost table
-///
-/// Use it as a static array and call the CostTable below to
-/// iterate through it and find the elements you're looking for.
-///
-/// Leaving Types with fixed size to avoid complications during
-/// static destruction.
-struct CostTableEntry {
-  int ISD;       // instruction ID
-  MVT Types[2];  // Types { dest, source }
-  unsigned Cost; // ideal cost
-};
-
-/// \brief Cost table, containing one or more costs for different instructions
-///
-/// This class implement the cost table lookup, to simplify
-/// how targets declare their own costs.
-class CostTable {
-  const CostTableEntry *table;
-  const size_t size;
-  const unsigned numTypes;
-
-protected:
-  /// Searches for costs on the table
-  unsigned _findCost(int ISD, MVT *Types) const;
-
-  // We don't want to expose a multi-type cost table, since types are not
-  // sequential by nature. If you need more cost table types, implement
-  // them below.
-  CostTable(const CostTableEntry *table, const size_t size, unsigned numTypes);
-
-public:
-  /// Cost Not found while searching
-  static const unsigned COST_NOT_FOUND = -1;
-};
-
-/// Specialisation for one-type cost table
-class UnaryCostTable : public CostTable {
-public:
-  UnaryCostTable(const CostTableEntry *table, const size_t size);
-  unsigned findCost(int ISD, MVT Type) const;
-};
-
-/// Specialisation for two-type cost table
-class BinaryCostTable : public CostTable {
-public:
-  BinaryCostTable(const CostTableEntry *table, const size_t size);
-  unsigned findCost(int ISD, MVT Type, MVT SrcType) const;
-};
-
 } // End llvm namespace
 
 #endif