[NFC] Simplify printstmt code

[zkkxu]

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[zkkxu]

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[zkkxu]

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[zkkxu]

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[zkkxu]

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[jrtc27]

This isn't NFC, the output changes

[zkkxu]

In D145346#4171031, @jrtc27 wrote:

This isn't NFC, the output changes

actually, i think it do not change output

clang/lib/AST/Stmt.cpp

 #define INITLISTEXPR(CLASS, PARENT)
 #include "clang/AST/StmtNodes.inc"
 
 void Stmt::PrintStats() {
   // Ensure the table is primed.
   getStmtInfoTableEntry(Stmt::NullStmtClass);
 
   unsigned sum = 0;
+  unsigned total_bytes = 0;
   llvm::errs() << "\n*** Stmt/Expr Stats:\n";
   for (int i = 0; i != Stmt::lastStmtConstant+1; i++) {
     if (StmtClassInfo[i].Name == nullptr) continue;
     sum += StmtClassInfo[i].Counter;
-  }
-  llvm::errs() << "  " << sum << " stmts/exprs total.\n";
-  sum = 0;
-  for (int i = 0; i != Stmt::lastStmtConstant+1; i++) {
-    if (StmtClassInfo[i].Name == nullptr) continue;
     if (StmtClassInfo[i].Counter == 0) continue;
     llvm::errs() << "    " << StmtClassInfo[i].Counter << " "
                  << StmtClassInfo[i].Name << ", " << StmtClassInfo[i].Size
                  << " each (" << StmtClassInfo[i].Counter*StmtClassInfo[i].Size
                  << " bytes)\n";
-    sum += StmtClassInfo[i].Counter*StmtClassInfo[i].Size;
+    total_bytes += StmtClassInfo[i].Counter*StmtClassInfo[i].Size;
   }
   
-  llvm::errs() << "Total bytes = " << sum << "\n";
+  llvm::errs() << "  " << sum << " stmts/exprs total.\n";
+  llvm::errs() << "Total bytes = " << total_bytes << "\n";
 }
 
 void Stmt::addStmtClass(StmtClass s) {
   ++getStmtInfoTableEntry(s).Counter;
 }
 
 bool Stmt::StatisticsEnabled = false;
 void Stmt::EnableStatistics() {