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
@@ -96,6 +96,8 @@
   }
 
   bool runOnFunction(Function &F) override {
+    if (!CFGFuncName.empty() && !F.getName().contains(CFGFuncName))
+      return false;
     auto *BPI = &getAnalysis<BranchProbabilityInfoWrapperPass>().getBPI();
     auto *BFI = &getAnalysis<BlockFrequencyInfoWrapperPass>().getBFI();
     viewCFG(F, BFI, BPI, getMaxFreq(F, BFI));
@@ -118,6 +120,8 @@
                 true)
 
 PreservedAnalyses CFGViewerPass::run(Function &F, FunctionAnalysisManager &AM) {
+  if (!CFGFuncName.empty() && !F.getName().contains(CFGFuncName))
+    return PreservedAnalyses::all();
   auto *BFI = &AM.getResult<BlockFrequencyAnalysis>(F);
   auto *BPI = &AM.getResult<BranchProbabilityAnalysis>(F);
   viewCFG(F, BFI, BPI, getMaxFreq(F, BFI));
@@ -132,6 +136,8 @@
   }
 
   bool runOnFunction(Function &F) override {
+    if (!CFGFuncName.empty() && !F.getName().contains(CFGFuncName))
+      return false;
     auto *BPI = &getAnalysis<BranchProbabilityInfoWrapperPass>().getBPI();
     auto *BFI = &getAnalysis<BlockFrequencyInfoWrapperPass>().getBFI();
     viewCFG(F, BFI, BPI, getMaxFreq(F, BFI), /*CFGOnly=*/true);
@@ -155,6 +161,8 @@
 
 PreservedAnalyses CFGOnlyViewerPass::run(Function &F,
                                          FunctionAnalysisManager &AM) {
+  if (!CFGFuncName.empty() && !F.getName().contains(CFGFuncName))
+    return PreservedAnalyses::all();
   auto *BFI = &AM.getResult<BlockFrequencyAnalysis>(F);
   auto *BPI = &AM.getResult<BranchProbabilityAnalysis>(F);
   viewCFG(F, BFI, BPI, getMaxFreq(F, BFI), /*CFGOnly=*/true);
@@ -169,6 +177,8 @@
   }
 
   bool runOnFunction(Function &F) override {
+    if (!CFGFuncName.empty() && !F.getName().contains(CFGFuncName))
+      return false;
     auto *BPI = &getAnalysis<BranchProbabilityInfoWrapperPass>().getBPI();
     auto *BFI = &getAnalysis<BlockFrequencyInfoWrapperPass>().getBFI();
     writeCFGToDotFile(F, BFI, BPI, getMaxFreq(F, BFI));
@@ -192,6 +202,8 @@
 
 PreservedAnalyses CFGPrinterPass::run(Function &F,
                                       FunctionAnalysisManager &AM) {
+  if (!CFGFuncName.empty() && !F.getName().contains(CFGFuncName))
+    return PreservedAnalyses::all();
   auto *BFI = &AM.getResult<BlockFrequencyAnalysis>(F);
   auto *BPI = &AM.getResult<BranchProbabilityAnalysis>(F);
   writeCFGToDotFile(F, BFI, BPI, getMaxFreq(F, BFI));
@@ -206,6 +218,8 @@
   }
 
   bool runOnFunction(Function &F) override {
+    if (!CFGFuncName.empty() && !F.getName().contains(CFGFuncName))
+      return false;
     auto *BPI = &getAnalysis<BranchProbabilityInfoWrapperPass>().getBPI();
     auto *BFI = &getAnalysis<BlockFrequencyInfoWrapperPass>().getBFI();
     writeCFGToDotFile(F, BFI, BPI, getMaxFreq(F, BFI), /*CFGOnly=*/true);
@@ -229,6 +243,8 @@
 
 PreservedAnalyses CFGOnlyPrinterPass::run(Function &F,
                                           FunctionAnalysisManager &AM) {
+                                            if (!CFGFuncName.empty() && !F.getName().contains(CFGFuncName))
+    return PreservedAnalyses::all();
   auto *BFI = &AM.getResult<BlockFrequencyAnalysis>(F);
   auto *BPI = &AM.getResult<BranchProbabilityAnalysis>(F);
   writeCFGToDotFile(F, BFI, BPI, getMaxFreq(F, BFI), /*CFGOnly=*/true);