[llvm] r186773 - Remove a DenseMapInfo specialization for std::pair -- we have one of

[Chandler Carruth]

Author: chandlerc
Date: Sat Jul 20 18:09:05 2013
New Revision: 186773

URL: http://llvm.org/viewvc/llvm-project?rev=186773&view=rev
Log:
Remove a DenseMapInfo specialization for std::pair -- we have one of
those baked into DenseMap now.

Modified:
    llvm/trunk/lib/Transforms/Utils/PromoteMemoryToRegister.cpp

Modified: llvm/trunk/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Utils/PromoteMemoryToRegister.cpp?rev=186773&r1=186772&r2=186773&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Utils/PromoteMemoryToRegister.cpp (original)
+++ llvm/trunk/lib/Transforms/Utils/PromoteMemoryToRegister.cpp Sat Jul 20 18:09:05 2013
@@ -56,26 +56,6 @@ STATISTIC(NumSingleStore,   "Number of a
 STATISTIC(NumDeadAlloca,    "Number of dead alloca's removed");
 STATISTIC(NumPHIInsert,     "Number of PHI nodes inserted");
 
-namespace llvm {
-template<>
-struct DenseMapInfo<std::pair<BasicBlock*, unsigned> > {
-  typedef std::pair<BasicBlock*, unsigned> EltTy;
-  static inline EltTy getEmptyKey() {
-    return EltTy(reinterpret_cast<BasicBlock*>(-1), ~0U);
-  }
-  static inline EltTy getTombstoneKey() {
-    return EltTy(reinterpret_cast<BasicBlock*>(-2), 0U);
-  }
-  static unsigned getHashValue(const std::pair<BasicBlock*, unsigned> &Val) {
-    using llvm::hash_value;
-    return static_cast<unsigned>(hash_value(Val));
-  }
-  static bool isEqual(const EltTy &LHS, const EltTy &RHS) {
-    return LHS == RHS;
-  }
-};
-}
-
 bool llvm::isAllocaPromotable(const AllocaInst *AI) {
   // FIXME: If the memory unit is of pointer or integer type, we can permit
   // assignments to subsections of the memory unit.