diff --git a/llvm/lib/Analysis/RegionPass.cpp b/llvm/lib/Analysis/RegionPass.cpp
--- a/llvm/lib/Analysis/RegionPass.cpp
+++ b/llvm/lib/Analysis/RegionPass.cpp
@@ -14,6 +14,7 @@
 //===----------------------------------------------------------------------===//
 #include "llvm/Analysis/RegionPass.h"
 #include "llvm/IR/OptBisect.h"
+#include "llvm/IR/PrintPasses.h"
 #include "llvm/IR/PassTimingInfo.h"
 #include "llvm/IR/StructuralHash.h"
 #include "llvm/Support/Debug.h"
@@ -187,12 +188,14 @@
   }
 
   bool runOnRegion(Region *R, RGPassManager &RGM) override {
-    Out << Banner;
-    for (const auto *BB : R->blocks()) {
-      if (BB)
-        BB->print(Out);
+    if (isFunctionInPrintList(R->getEntry()->getParent()->getName())) {
+      Out << Banner;
+      for (const auto *BB : R->blocks()) {
+        if (BB)
+          BB->print(Out);
       else
-        Out << "Printing <null> Block";
+          Out << "Printing <null> Block";
+      }
     }
 
     return false;