diff --git a/llvm/lib/Analysis/CFGPrinter.cpp b/llvm/lib/Analysis/CFGPrinter.cpp
--- a/llvm/lib/Analysis/CFGPrinter.cpp
+++ b/llvm/lib/Analysis/CFGPrinter.cpp
@@ -84,6 +84,8 @@
 static void viewCFG(Function &F, const BlockFrequencyInfo *BFI,
                     const BranchProbabilityInfo *BPI, uint64_t MaxFreq,
                     bool CFGOnly = false) {
+  if (!CFGFuncName.emtpy() && !F.getName().contains(CFGFuncName))
+	return;
   DOTFuncInfo CFGInfo(&F, BFI, BPI, MaxFreq);
   CFGInfo.setHeatColors(ShowHeatColors);
   CFGInfo.setEdgeWeights(ShowEdgeWeight);