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.

llvm-svn: 42042

2 files changed, 2 insertions, 0 deletions

diff --git a/llvm/lib/CodeGen/DwarfWriter.cpp b/llvm/lib/CodeGen/DwarfWriter.cpp
index cf6a922d23c..10f7c991840 100644
--- a/llvm/lib/CodeGen/DwarfWriter.cpp
+++ b/llvm/lib/CodeGen/DwarfWriter.cpp
@@ -2942,6 +2942,7 @@ private:
     static inline unsigned getEmptyKey() { return -1U; }
     static inline unsigned getTombstoneKey() { return -2U; }
     static unsigned getHashValue(const unsigned &Key) { return Key; }
+    static bool isEqual(unsigned LHS, unsigned RHS) { return LHS == RHS; }
     static bool isPod() { return true; }
   };
 
diff --git a/llvm/lib/CodeGen/RegAllocBigBlock.cpp b/llvm/lib/CodeGen/RegAllocBigBlock.cpp
index c7f23f51d4b..7f402a62b81 100644
--- a/llvm/lib/CodeGen/RegAllocBigBlock.cpp
+++ b/llvm/lib/CodeGen/RegAllocBigBlock.cpp
@@ -63,6 +63,7 @@ namespace {
   struct VRegKeyInfo {
     static inline unsigned getEmptyKey() { return -1U; }
     static inline unsigned getTombstoneKey() { return -2U; }
+    static bool isEqual(unsigned LHS, unsigned RHS) { return LHS == RHS; }
     static unsigned getHashValue(const unsigned &Key) { return Key; }
   };