fixed code style, moved dom tree building to IR

src/CFGraph/CFGraph.cpp

@@ -1149,6 +1149,16 @@ map<FuncInfo*, vector<BBlock*>> buildCFG(const map<string, CommonBlock*>& common
     if (settings.withRD)
         buildReachingDefs(result, settings);
 
+    if (settings.withDominators)
+    {
+        auto t = high_resolution_clock::now();
+        for (auto& [func, bblocks] : result)
+            SAPFOR::buildDominatorTree(bblocks);
+
+        auto msec = duration_cast<milliseconds>(high_resolution_clock::now() - t).count();
+        __spf_print(1, "dominator build time is %.3f sec\n", msec / 1000.);
+    }
+
     if (SgFile::switchToFile(oldFile) == -1)
         printInternalError(convertFileName(__FILE__).c_str(), __LINE__);