[BOLT][NFC] Simplify BBHashMapTy

Make EntryTy a thin wrapper struct.

Author: aaupov

bolt/include/bolt/Profile/BoltAddressTranslation.h

@@ -183,14 +183,9 @@ class BoltAddressTranslation {
 public:
   /// Map basic block input offset to a basic block index and hash pair.
   class BBHashMapTy {
-    class EntryTy {
+    struct EntryTy {
       unsigned Index;
       size_t Hash;
-
-    public:
-      unsigned getBBIndex() const { return Index; }
-      size_t getBBHash() const { return Hash; }
-      EntryTy(unsigned Index, size_t Hash) : Index(Index), Hash(Hash) {}
     };
 
     std::map<uint32_t, EntryTy> Map;
@@ -206,15 +201,15 @@ class BoltAddressTranslation {
     }
 
     unsigned getBBIndex(uint32_t BBInputOffset) const {
-      return getEntry(BBInputOffset).getBBIndex();
+      return getEntry(BBInputOffset).Index;
     }
 
     size_t getBBHash(uint32_t BBInputOffset) const {
-      return getEntry(BBInputOffset).getBBHash();
+      return getEntry(BBInputOffset).Hash;
     }
 
     void addEntry(uint32_t BBInputOffset, unsigned BBIndex, size_t BBHash) {
-      Map.emplace(BBInputOffset, EntryTy(BBIndex, BBHash));
+      Map.emplace(BBInputOffset, EntryTy{BBIndex, BBHash});
     }
 
     size_t getNumBasicBlocks() const { return Map.size(); }

bolt/lib/Profile/DataAggregator.cpp

@@ -2355,7 +2355,7 @@ std::error_code DataAggregator::writeBATYAML(BinaryContext &BC,
         YamlBB.Index = Idx;
 
       for (auto BI = BlockMap.begin(), BE = BlockMap.end(); BI != BE; ++BI)
-        YamlBF.Blocks[BI->second.getBBIndex()].Hash = BI->second.getBBHash();
+        YamlBF.Blocks[BI->second.Index].Hash = BI->second.Hash;
 
       // Lookup containing basic block offset and index
       auto getBlock = [&BlockMap](uint32_t Offset) {
@@ -2365,7 +2365,7 @@ std::error_code DataAggregator::writeBATYAML(BinaryContext &BC,
           exit(1);
         }
         --BlockIt;
-        return std::pair(BlockIt->first, BlockIt->second.getBBIndex());
+        return std::pair(BlockIt->first, BlockIt->second.Index);
       };
 
       for (const BranchInfo &BI : Branches.Data) {