Merge DenseMapKeyInfo & DenseMapValueInfo into DenseMapInfo

Add a new DenseMapInfo::isEqual method to allow clients to redefine
the equality predicate used when probing the hash table.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42042 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 2 deletions

diff --git a/lib/Target/TargetData.cpp b/lib/Target/TargetData.cpp
index 9f7cb00379..5ab4a60ddc 100644
--- a/lib/Target/TargetData.cpp
+++ b/lib/Target/TargetData.cpp
@@ -316,9 +316,13 @@ struct DenseMapLayoutKeyInfo {
     return LayoutKey((TargetData*)(intptr_t)-1, 0);
   }
   static unsigned getHashValue(const LayoutKey &Val) {
-    return DenseMapKeyInfo<void*>::getHashValue(Val.first) ^
-           DenseMapKeyInfo<void*>::getHashValue(Val.second);
+    return DenseMapInfo<void*>::getHashValue(Val.first) ^
+           DenseMapInfo<void*>::getHashValue(Val.second);
   }
+  static bool isEqual(const LayoutKey &LHS, const LayoutKey &RHS) {
+    return LHS == RHS;
+  }
+
   static bool isPod() { return true; }
 };