[llvm-commits] [llvm] r159745 - /llvm/trunk/include/llvm/CodeGen/SlotIndexes.h

[Chandler Carruth]

Author: chandlerc
Date: Thu Jul  5 06:40:23 2012
New Revision: 159745

URL: http://llvm.org/viewvc/llvm-project?rev=159745&view=rev
Log:
Remove dead infrastructure for building DenseMaps with a SlotIndex as
the key -- they are now stored in an IntervalMap.

I noticed this while looking into PR12652.

Modified:
    llvm/trunk/include/llvm/CodeGen/SlotIndexes.h

Modified: llvm/trunk/include/llvm/CodeGen/SlotIndexes.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/SlotIndexes.h?rev=159745&r1=159744&r2=159745&view=diff
==============================================================================
--- llvm/trunk/include/llvm/CodeGen/SlotIndexes.h (original)
+++ llvm/trunk/include/llvm/CodeGen/SlotIndexes.h Thu Jul  5 06:40:23 2012
@@ -76,7 +76,6 @@
   /// SlotIndex - An opaque wrapper around machine indexes.
   class SlotIndex {
     friend class SlotIndexes;
-    friend struct DenseMapInfo<SlotIndex>;
 
     enum Slot {
       /// Basic block boundary.  Used for live ranges entering and leaving a
@@ -121,11 +120,6 @@
       return static_cast<Slot>(lie.getInt());
     }
 
-    static inline unsigned getHashValue(const SlotIndex &v) {
-      void *ptrVal = v.lie.getOpaqueValue();
-      return (unsigned((intptr_t)ptrVal)) ^ (unsigned((intptr_t)ptrVal) >> 9);
-    }
-
   public:
     enum {
       /// The default distance between instructions as returned by distance().
@@ -133,14 +127,6 @@
       InstrDist = 4 * Slot_Count
     };
 
-    static inline SlotIndex getEmptyKey() {
-      return SlotIndex(0, 1);
-    }
-
-    static inline SlotIndex getTombstoneKey() {
-      return SlotIndex(0, 2);
-    }
-
     /// Construct an invalid index.
     SlotIndex() : lie(0, 0) {}
 
@@ -293,23 +279,6 @@
 
   };
 
-  /// DenseMapInfo specialization for SlotIndex.
-  template <>
-  struct DenseMapInfo<SlotIndex> {
-    static inline SlotIndex getEmptyKey() {
-      return SlotIndex::getEmptyKey();
-    }
-    static inline SlotIndex getTombstoneKey() {
-      return SlotIndex::getTombstoneKey();
-    }
-    static inline unsigned getHashValue(const SlotIndex &v) {
-      return SlotIndex::getHashValue(v);
-    }
-    static inline bool isEqual(const SlotIndex &LHS, const SlotIndex &RHS) {
-      return (LHS == RHS);
-    }
-  };
-
   template <> struct isPodLike<SlotIndex> { static const bool value = true; };