Simplify some typedef struct

llvm/lib/CodeGen/LiveDebugValues/InstrRefBasedImpl.cpp

@@ -971,10 +971,10 @@ public:
     SmallVector<MachineInstr *, 4> Insts; /// Vector of DBG_VALUEs to insert.
   };
 
-  typedef struct {
+  struct LocAndProperties {
     LocIdx Loc;
     DbgValueProperties Properties;
-  } LocAndProperties;
+  };
 
   /// Collection of transfers (DBG_VALUEs) to be inserted.
   SmallVector<Transfer, 32> Transfers;

llvm/lib/Target/PowerPC/PPCFastISel.cpp

@@ -63,7 +63,7 @@ using namespace llvm;
 
 namespace {
 
-typedef struct Address {
+struct Address {
   enum {
     RegBase,
     FrameIndexBase
@@ -81,7 +81,7 @@ typedef struct Address {
    : BaseType(RegBase), Offset(0) {
      Base.Reg = 0;
    }
-} Address;
+};
 
 class PPCFastISel final : public FastISel {
 

llvm/tools/llvm-profdata/llvm-profdata.cpp

@@ -2004,7 +2004,8 @@ static int overlap_main(int argc, const char *argv[]) {
   return 0;
 }
 
-typedef struct ValueSitesStats {
+namespace {
+struct ValueSitesStats {
   ValueSitesStats()
       : TotalNumValueSites(0), TotalNumValueSitesWithValueProfile(0),
         TotalNumValues(0) {}
@@ -2012,7 +2013,8 @@ typedef struct ValueSitesStats {
   uint64_t TotalNumValueSitesWithValueProfile;
   uint64_t TotalNumValues;
   std::vector<unsigned> ValueSitesHistogram;
-} ValueSitesStats;
+};
+} // namespace
 
 static void traverseAllValueSites(const InstrProfRecord &Func, uint32_t VK,
                                   ValueSitesStats &Stats, raw_fd_ostream &OS,