Index: include/llvm/Pass.h
===================================================================
--- include/llvm/Pass.h
+++ include/llvm/Pass.h
@@ -214,6 +214,8 @@
 
   template<typename AnalysisType>
   AnalysisType &getAnalysisID(AnalysisID PI, Function &F);
+
+  virtual bool isVerifier() const { return false; }
 };
 
 //===----------------------------------------------------------------------===//
Index: lib/CodeGen/MachineVerifier.cpp
===================================================================
--- lib/CodeGen/MachineVerifier.cpp
+++ lib/CodeGen/MachineVerifier.cpp
@@ -312,6 +312,8 @@
         report_fatal_error("Found "+Twine(FoundErrors)+" machine code errors.");
       return false;
     }
+
+    bool isVerifier() const override { return true; }
   };
 
 } // end anonymous namespace
Index: lib/IR/LegacyPassManager.cpp
===================================================================
--- lib/IR/LegacyPassManager.cpp
+++ lib/IR/LegacyPassManager.cpp
@@ -784,7 +784,8 @@
     return;
   }
 
-  if (PI && !PI->isAnalysis() && shouldPrintBeforePass(PI->getPassArgument())) {
+  if (!P->isVerifier() && PI && !PI->isAnalysis() &&
+      shouldPrintBeforePass(PI->getPassArgument())) {
     Pass *PP = P->createPrinterPass(
         dbgs(), ("*** IR Dump Before " + P->getPassName() + " ***").str());
     PP->assignPassManager(activeStack, getTopLevelPassManagerType());
@@ -793,7 +794,8 @@
   // Add the requested pass to the best available pass manager.
   P->assignPassManager(activeStack, getTopLevelPassManagerType());
 
-  if (PI && !PI->isAnalysis() && shouldPrintAfterPass(PI->getPassArgument())) {
+  if (!P->isVerifier() && PI && !PI->isAnalysis() &&
+      shouldPrintAfterPass(PI->getPassArgument())) {
     Pass *PP = P->createPrinterPass(
         dbgs(), ("*** IR Dump After " + P->getPassName() + " ***").str());
     PP->assignPassManager(activeStack, getTopLevelPassManagerType());