diff --git a/clang/test/CodeGen/thinlto-distributed-newpm.ll b/clang/test/CodeGen/thinlto-distributed-newpm.ll
--- a/clang/test/CodeGen/thinlto-distributed-newpm.ll
+++ b/clang/test/CodeGen/thinlto-distributed-newpm.ll
@@ -25,7 +25,6 @@
 ; CHECK-O: Running pass: LowerTypeTestsPass
 ; CHECK-O: Invalidating analysis: InnerAnalysisManagerProxy
 ; CHECK-O: Running pass: ForceFunctionAttrsPass
-; CHECK-O: Starting {{.*}}Module pass manager run.
 ; CHECK-O: Running pass: PGOIndirectCallPromotion
 ; CHECK-O: Running analysis: ProfileSummaryAnalysis
 ; CHECK-O: Running analysis: InnerAnalysisManagerProxy
@@ -151,8 +150,6 @@
 ; CHECK-O: Invalidating analysis: DemandedBitsAnalysis on main
 ; CHECK-O: Invalidating analysis: PostDominatorTreeAnalysis on main
 ; CHECK-O: Invalidating analysis: CallGraphAnalysis
-; CHECK-O: Finished {{.*}}Module pass manager run.
-; CHECK-O: Starting {{.*}}Module pass manager run.
 ; CHECK-O: Running pass: GlobalOptPass
 ; CHECK-O: Running pass: GlobalDCEPass
 ; CHECK-O: Running pass: EliminateAvailableExternallyPass
@@ -207,7 +204,6 @@
 ; CHECK-O: Running pass: GlobalDCEPass
 ; CHECK-O: Running pass: ConstantMergePass
 ; CHECK-O: Finished {{.*}}Module pass manager run.
-; CHECK-O: Finished {{.*}}Module pass manager run.
 
 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
 target triple = "x86_64-grtev4-linux-gnu"
diff --git a/llvm/include/llvm/IR/PassManager.h b/llvm/include/llvm/IR/PassManager.h
--- a/llvm/include/llvm/IR/PassManager.h
+++ b/llvm/include/llvm/IR/PassManager.h
@@ -548,7 +548,9 @@
     return PA;
   }
 
-  template <typename PassT> void addPass(PassT Pass) {
+  template <typename PassT>
+  std::enable_if_t<!std::is_same<PassT, PassManager>::value>
+  addPass(PassT Pass) {
     using PassModelT =
         detail::PassModel<IRUnitT, PassT, PreservedAnalyses, AnalysisManagerT,
                           ExtraArgTs...>;
@@ -556,6 +558,18 @@
     Passes.emplace_back(new PassModelT(std::move(Pass)));
   }
 
+  /// When adding a pass manager pass that has the same type as this pass
+  /// manager, simply move the passes over. This is because we don't have use
+  /// cases rely on executing nested pass managers. Doing this could reduce
+  /// implementation complexity and avoid potential invalidation issues that may
+  /// happen with nested pass managers of the same type.
+  template <typename PassT>
+  std::enable_if_t<std::is_same<PassT, PassManager>::value>
+  addPass(PassT &&Pass) {
+    for (auto &P : Pass.Passes)
+      Passes.emplace_back(std::move(P));
+  }
+
   static bool isRequired() { return true; }
 
 protected:
diff --git a/llvm/test/Other/new-pass-manager.ll b/llvm/test/Other/new-pass-manager.ll
--- a/llvm/test/Other/new-pass-manager.ll
+++ b/llvm/test/Other/new-pass-manager.ll
@@ -207,7 +207,6 @@
 ; CHECK-INVALIDATE-ALL: Starting llvm::Module pass manager run
 ; CHECK-INVALIDATE-ALL: Running pass: RequireAnalysisPass
 ; CHECK-INVALIDATE-ALL: Running analysis: NoOpModuleAnalysis
-; CHECK-INVALIDATE-ALL: Starting llvm::Module pass manager run
 ; CHECK-INVALIDATE-ALL: Running pass: RequireAnalysisPass
 ; CHECK-INVALIDATE-ALL-NOT: Running analysis: NoOpModuleAnalysis
 ; CHECK-INVALIDATE-ALL: Starting llvm::Function pass manager run
@@ -221,7 +220,6 @@
 ; CHECK-INVALIDATE-ALL: Invalidating analysis: NoOpModuleAnalysis
 ; CHECK-INVALIDATE-ALL: Running pass: RequireAnalysisPass
 ; CHECK-INVALIDATE-ALL: Running analysis: NoOpModuleAnalysis
-; CHECK-INVALIDATE-ALL: Finished llvm::Module pass manager run
 ; CHECK-INVALIDATE-ALL-NOT: Invalidating analysis: NoOpModuleAnalysis
 ; CHECK-INVALIDATE-ALL: Running pass: RequireAnalysisPass
 ; CHECK-INVALIDATE-ALL-NOT: Running analysis: NoOpModuleAnalysis
@@ -233,7 +231,6 @@
 ; CHECK-INVALIDATE-ALL-CG: Starting llvm::Module pass manager run
 ; CHECK-INVALIDATE-ALL-CG: Running pass: RequireAnalysisPass
 ; CHECK-INVALIDATE-ALL-CG: Running analysis: NoOpModuleAnalysis
-; CHECK-INVALIDATE-ALL-CG: Starting llvm::Module pass manager run
 ; CHECK-INVALIDATE-ALL-CG: Running pass: RequireAnalysisPass
 ; CHECK-INVALIDATE-ALL-CG-NOT: Running analysis: NoOpModuleAnalysis
 ; CHECK-INVALIDATE-ALL-CG: Starting CGSCC pass manager run
@@ -256,7 +253,6 @@
 ; CHECK-INVALIDATE-ALL-CG: Invalidating analysis: NoOpModuleAnalysis
 ; CHECK-INVALIDATE-ALL-CG: Running pass: RequireAnalysisPass
 ; CHECK-INVALIDATE-ALL-CG: Running analysis: NoOpModuleAnalysis
-; CHECK-INVALIDATE-ALL-CG: Finished llvm::Module pass manager run
 ; CHECK-INVALIDATE-ALL-CG-NOT: Invalidating analysis: NoOpModuleAnalysis
 ; CHECK-INVALIDATE-ALL-CG: Running pass: RequireAnalysisPass
 ; CHECK-INVALIDATE-ALL-CG-NOT: Running analysis: NoOpModuleAnalysis
diff --git a/llvm/test/Other/new-pm-defaults.ll b/llvm/test/Other/new-pm-defaults.ll
--- a/llvm/test/Other/new-pm-defaults.ll
+++ b/llvm/test/Other/new-pm-defaults.ll
@@ -89,10 +89,8 @@
 ; RUN:     --check-prefix=CHECK-EP-OPTIMIZER-LAST --check-prefix=CHECK-O23SZ
 
 ; CHECK-O: Starting llvm::Module pass manager run.
-; CHECK-O-NEXT: Starting llvm::Module pass manager run.
 ; CHECK-O-NEXT: Running pass: ForceFunctionAttrsPass
 ; CHECK-EP-PIPELINE-START-NEXT: Running pass: NoOpModulePass
-; CHECK-O-NEXT: Starting llvm::Module pass manager run.
 ; CHECK-O-NEXT: Running pass: InferFunctionAttrsPass
 ; CHECK-O-NEXT: Running analysis: InnerAnalysisManagerProxy
 ; CHECK-O-NEXT: Running analysis: TargetLibraryAnalysis
@@ -220,8 +218,6 @@
 ; CHECK-EP-CGSCC-LATE-NEXT: Running pass: NoOpCGSCCPass
 ; CHECK-O-NEXT: Finished CGSCC pass manager run.
 ; CHECK-O-NEXT: Finished llvm::Module pass manager run.
-; CHECK-O-NEXT: Finished llvm::Module pass manager run.
-; CHECK-O-NEXT: Starting llvm::Module pass manager run.
 ; CHECK-O-NEXT: Running pass: GlobalOptPass
 ; CHECK-O-NEXT: Running pass: GlobalDCEPass
 ; CHECK-O2-LTO-NOT: Running pass: EliminateAvailableExternallyPass
@@ -271,8 +267,6 @@
 ; CHECK-O-NEXT: Running pass: CGProfilePass
 ; CHECK-O-NEXT: Running pass: GlobalDCEPass
 ; CHECK-O-NEXT: Running pass: ConstantMergePass
-; CHECK-O-NEXT: Finished llvm::Module pass manager run.
-; CHECK-O-NEXT: Finished llvm::Module pass manager run.
 ; CHECK-O-NEXT: Running pass: PrintModulePass
 ;
 ; Make sure we get the IR back out without changes when we print the module.
diff --git a/llvm/test/Other/new-pm-lto-defaults.ll b/llvm/test/Other/new-pm-lto-defaults.ll
--- a/llvm/test/Other/new-pm-lto-defaults.ll
+++ b/llvm/test/Other/new-pm-lto-defaults.ll
@@ -24,7 +24,6 @@
 ; RUN:     --check-prefix=CHECK-O3 --check-prefix=CHECK-EP-Peephole
 
 ; CHECK-O: Starting llvm::Module pass manager run.
-; CHECK-O-NEXT: Starting llvm::Module pass manager run.
 ; CHECK-O-NEXT: Running pass: GlobalDCEPass
 ; CHECK-O-NEXT: Running pass: ForceFunctionAttrsPass
 ; CHECK-O-NEXT: Running pass: InferFunctionAttrsPass
@@ -102,7 +101,6 @@
 ; CHECK-O2-NEXT: Running pass: SimplifyCFGPass
 ; CHECK-O2-NEXT: Running pass: EliminateAvailableExternallyPass
 ; CHECK-O2-NEXT: Running pass: GlobalDCEPass
-; CHECK-O-NEXT: Finished llvm::Module pass manager run.
 ; CHECK-O-NEXT: Running pass: PrintModulePass
 
 ; Make sure we get the IR back out without changes when we print the module.
diff --git a/llvm/test/Other/new-pm-thinlto-defaults.ll b/llvm/test/Other/new-pm-thinlto-defaults.ll
--- a/llvm/test/Other/new-pm-thinlto-defaults.ll
+++ b/llvm/test/Other/new-pm-thinlto-defaults.ll
@@ -48,12 +48,10 @@
 ; RUN:     | FileCheck %s --check-prefixes=CHECK-O,CHECK-O2,CHECK-O23SZ,CHECK-POSTLINK-O,%llvmcheckext,CHECK-POSTLINK-O2
 ;
 ; CHECK-O: Starting llvm::Module pass manager run.
-; CHECK-O-NEXT: Starting llvm::Module pass manager run.
 ; CHECK-O-NEXT: Running pass: ForceFunctionAttrsPass
 ; CHECK-EP-PIPELINE-START-NEXT: Running pass: NoOpModulePass
 ; CHECK-DIS-NEXT: Running analysis: InnerAnalysisManagerProxy
 ; CHECK-DIS-NEXT: Running pass: AddDiscriminatorsPass
-; CHECK-O-NEXT: Starting llvm::Module pass manager run.
 ; CHECK-POSTLINK-O-NEXT: Running pass: PGOIndirectCallPromotion
 ; CHECK-POSTLINK-O-NEXT: Running analysis: ProfileSummaryAnalysis
 ; CHECK-POSTLINK-O-NEXT: Running analysis: InnerAnalysisManagerProxy
@@ -190,9 +188,7 @@
 ; CHECK-O-NEXT: Finished llvm::Function pass manager run.
 ; CHECK-O-NEXT: Finished CGSCC pass manager run.
 ; CHECK-O-NEXT: Finished llvm::Module pass manager run.
-; CHECK-O-NEXT: Finished llvm::Module pass manager run.
 ; CHECK-PRELINK-O-NEXT: Running pass: GlobalOptPass
-; CHECK-POSTLINK-O-NEXT: Starting llvm::Module pass manager run.
 ; CHECK-POSTLINK-O-NEXT: Running pass: GlobalOptPass
 ; CHECK-POSTLINK-O-NEXT: Running pass: GlobalDCEPass
 ; CHECK-POSTLINK-O-NEXT: Running pass: EliminateAvailableExternallyPass
@@ -240,8 +236,6 @@
 ; CHECK-POSTLINK-O-NEXT: Running pass: CGProfilePass
 ; CHECK-POSTLINK-O-NEXT: Running pass: GlobalDCEPass
 ; CHECK-POSTLINK-O-NEXT: Running pass: ConstantMergePass
-; CHECK-POSTLINK-O-NEXT: Finished llvm::Module pass manager run.
-; CHECK-O-NEXT: Finished llvm::Module pass manager run.
 ; CHECK-PRELINK-O-NEXT: Running pass: NameAnonGlobalPass
 ; CHECK-O-NEXT: Running pass: PrintModulePass
 
diff --git a/llvm/test/Other/new-pm-thinlto-postlink-pgo-defaults.ll b/llvm/test/Other/new-pm-thinlto-postlink-pgo-defaults.ll
--- a/llvm/test/Other/new-pm-thinlto-postlink-pgo-defaults.ll
+++ b/llvm/test/Other/new-pm-thinlto-postlink-pgo-defaults.ll
@@ -21,10 +21,8 @@
 ; RUN:     | FileCheck %s --check-prefixes=CHECK-O,CHECK-O2,CHECK-O23SZ,%llvmcheckext --dump-input=fail
 ;
 ; CHECK-O: Starting {{.*}}Module pass manager run.
-; CHECK-O-NEXT: Starting {{.*}}Module pass manager run.
 ; CHECK-O-NEXT: Running pass: ForceFunctionAttrsPass
 ; CHECK-EP-PIPELINE-START-NEXT: Running pass: NoOpModulePass
-; CHECK-O-NEXT: Starting {{.*}}Module pass manager run.
 ; CHECK-O-NEXT: Running pass: PGOIndirectCallPromotion
 ; CHECK-O-NEXT: Running analysis: ProfileSummaryAnalysis
 ; CHECK-O-NEXT: Running analysis: InnerAnalysisManagerProxy
@@ -162,8 +160,6 @@
 ; CHECK-O-NEXT: Finished {{.*}}Function pass manager run.
 ; CHECK-O-NEXT: Finished CGSCC pass manager run.
 ; CHECK-O-NEXT: Finished {{.*}}Module pass manager run.
-; CHECK-O-NEXT: Finished {{.*}}Module pass manager run.
-; CHECK-O-NEXT: Starting {{.*}}Module pass manager run.
 ; CHECK-O-NEXT: Running pass: GlobalOptPass
 ; CHECK-O-NEXT: Running pass: GlobalDCEPass
 ; CHECK-O-NEXT: Running pass: EliminateAvailableExternallyPass
@@ -209,8 +205,6 @@
 ; CHECK-O-NEXT: Running pass: CGProfilePass
 ; CHECK-O-NEXT: Running pass: GlobalDCEPass
 ; CHECK-O-NEXT: Running pass: ConstantMergePass
-; CHECK-O-NEXT: Finished {{.*}}Module pass manager run.
-; CHECK-O-NEXT: Finished {{.*}}Module pass manager run.
 ; CHECK-O-NEXT: Running pass: PrintModulePass
 
 ; Make sure we get the IR back out without changes when we print the module.
diff --git a/llvm/test/Other/new-pm-thinlto-postlink-samplepgo-defaults.ll b/llvm/test/Other/new-pm-thinlto-postlink-samplepgo-defaults.ll
--- a/llvm/test/Other/new-pm-thinlto-postlink-samplepgo-defaults.ll
+++ b/llvm/test/Other/new-pm-thinlto-postlink-samplepgo-defaults.ll
@@ -26,10 +26,8 @@
 ; RUN:     | FileCheck %s --check-prefixes=CHECK-O,CHECK-O2,CHECK-O23SZ,%llvmcheckext --dump-input=fail
 ;
 ; CHECK-O: Starting {{.*}}Module pass manager run.
-; CHECK-O-NEXT: Starting {{.*}}Module pass manager run.
 ; CHECK-O-NEXT: Running pass: ForceFunctionAttrsPass
 ; CHECK-EP-PIPELINE-START-NEXT: Running pass: NoOpModulePass
-; CHECK-O-NEXT: Starting {{.*}}Module pass manager run.
 ; CHECK-O-NEXT: Running pass: InferFunctionAttrsPass
 ; CHECK-O-NEXT: Running analysis: InnerAnalysisManagerProxy
 ; CHECK-O-NEXT: Running analysis: TargetLibraryAnalysis
@@ -173,8 +171,6 @@
 ; CHECK-O-NEXT: Finished {{.*}}Function pass manager run.
 ; CHECK-O-NEXT: Finished CGSCC pass manager run.
 ; CHECK-O-NEXT: Finished {{.*}}Module pass manager run.
-; CHECK-O-NEXT: Finished {{.*}}Module pass manager run.
-; CHECK-O-NEXT: Starting {{.*}}Module pass manager run.
 ; CHECK-O-NEXT: Running pass: GlobalOptPass
 ; CHECK-O-NEXT: Running pass: GlobalDCEPass
 ; CHECK-O-NEXT: Running pass: EliminateAvailableExternallyPass
@@ -220,8 +216,6 @@
 ; CHECK-O-NEXT: Running pass: CGProfilePass
 ; CHECK-O-NEXT: Running pass: GlobalDCEPass
 ; CHECK-O-NEXT: Running pass: ConstantMergePass
-; CHECK-O-NEXT: Finished {{.*}}Module pass manager run.
-; CHECK-O-NEXT: Finished {{.*}}Module pass manager run.
 ; CHECK-O-NEXT: Running pass: PrintModulePass
 
 ; Make sure we get the IR back out without changes when we print the module.
diff --git a/llvm/test/Other/new-pm-thinlto-prelink-pgo-defaults.ll b/llvm/test/Other/new-pm-thinlto-prelink-pgo-defaults.ll
--- a/llvm/test/Other/new-pm-thinlto-prelink-pgo-defaults.ll
+++ b/llvm/test/Other/new-pm-thinlto-prelink-pgo-defaults.ll
@@ -28,10 +28,8 @@
 ; RUN:     | FileCheck %s --check-prefixes=CHECK-DIS,CHECK-O,CHECK-O2,CHECK-O23SZ,CHECK-O123 --dump-input=fail
 ;
 ; CHECK-O: Starting {{.*}}Module pass manager run.
-; CHECK-O-NEXT: Starting {{.*}}Module pass manager run.
 ; CHECK-O-NEXT: Running pass: ForceFunctionAttrsPass
 ; CHECK-EP-PIPELINE-START-NEXT: Running pass: NoOpModulePass
-; CHECK-O-NEXT: Starting {{.*}}Module pass manager run.
 ; CHECK-O-NEXT: Running pass: InferFunctionAttrsPass
 ; CHECK-O-NEXT: Running analysis: InnerAnalysisManagerProxy
 ; CHECK-O-NEXT: Running analysis: TargetLibraryAnalysis
@@ -215,27 +213,9 @@
 ; CHECK-O-NEXT: Finished {{.*}}Function pass manager run.
 ; CHECK-O-NEXT: Finished CGSCC pass manager run.
 ; CHECK-O-NEXT: Finished {{.*}}Module pass manager run.
-; CHECK-O-NEXT: Finished {{.*}}Module pass manager run.
-; CHECK-O23SZ-NEXT: Clearing all analysis results for: <possibly invalidated loop>
-; CHECK-O23SZ-NEXT: Invalidating analysis: DominatorTreeAnalysis
-; CHECK-O23SZ-NEXT: Invalidating analysis: MemorySSAAnalysis
-; CHECK-O23SZ-NEXT: Invalidating analysis: LoopAnalysis
-; CHECK-O23SZ-NEXT: Invalidating analysis: PostDominatorTreeAnalysis
-; CHECK-O23SZ-NEXT: Invalidating analysis: BranchProbabilityAnalysis
-; CHECK-O23SZ-NEXT: Invalidating analysis: BlockFrequencyAnalysis
-; CHECK-O23SZ-NEXT: Invalidating analysis: ScalarEvolutionAnalysis
-; CHECK-O23SZ-NEXT: Invalidating analysis: InnerAnalysisManagerProxy
-; CHECK-O23SZ-NEXT: Invalidating analysis: PhiValuesAnalysis
-; CHECK-O23SZ-NEXT: Invalidating analysis: MemoryDependenceAnalysis
-; CHECK-O23SZ-NEXT: Invalidating analysis: DemandedBitsAnalysis
-; CHECK-O3-NEXT: Invalidating analysis: DominanceFrontierAnalysis
-; CHECK-O3-NEXT: Invalidating analysis: RegionInfoAnalysis
-; CHECK-O23SZ-NEXT: Clearing all analysis results for: foo
 ; CHECK-O-NEXT: Running pass: GlobalOptPass
 ; CHECK-O-NEXT: Running analysis: TargetLibraryAnalysis on bar
 ; CHECK-EXT: Running pass: {{.*}}::Bye
-; CHECK-O-NEXT: Finished {{.*}}Module pass manager run.
-; CHECK-O23SZ-NEXT: Clearing all analysis results for: foo
 ; CHECK-O-NEXT: Running pass: NameAnonGlobalPass
 ; CHECK-O-NEXT: Running pass: PrintModulePass
 
diff --git a/llvm/test/Other/new-pm-thinlto-prelink-samplepgo-defaults.ll b/llvm/test/Other/new-pm-thinlto-prelink-samplepgo-defaults.ll
--- a/llvm/test/Other/new-pm-thinlto-prelink-samplepgo-defaults.ll
+++ b/llvm/test/Other/new-pm-thinlto-prelink-samplepgo-defaults.ll
@@ -26,12 +26,10 @@
 ; RUN:     | FileCheck %s --check-prefixes=CHECK-DIS,CHECK-O,CHECK-O2,CHECK-O23SZ,CHECK-O123 --dump-input=fail
 ;
 ; CHECK-O: Starting {{.*}}Module pass manager run.
-; CHECK-O-NEXT: Starting {{.*}}Module pass manager run.
 ; CHECK-O-NEXT: Running pass: ForceFunctionAttrsPass
 ; CHECK-O-NEXT: Running analysis: InnerAnalysisManagerProxy
 ; CHECK-O-NEXT: Running pass: AddDiscriminatorsPass
 ; CHECK-EP-PIPELINE-START-NEXT: Running pass: NoOpModulePass
-; CHECK-O-NEXT: Starting {{.*}}Module pass manager run.
 ; CHECK-O-NEXT: Running pass: InferFunctionAttrsPass
 ; CHECK-O-NEXT: Running analysis: TargetLibraryAnalysis
 ; CHECK-O-NEXT: Starting {{.*}}Function pass manager run.
@@ -171,9 +169,7 @@
 ; CHECK-O-NEXT: Finished {{.*}}Function pass manager run.
 ; CHECK-O-NEXT: Finished CGSCC pass manager run.
 ; CHECK-O-NEXT: Finished {{.*}}Module pass manager run.
-; CHECK-O-NEXT: Finished {{.*}}Module pass manager run.
 ; CHECK-O-NEXT: Running pass: GlobalOptPass
-; CHECK-O-NEXT: Finished {{.*}}Module pass manager run.
 ; CHECK-O-NEXT: Running pass: NameAnonGlobalPass
 ; CHECK-O-NEXT: Running pass: PrintModulePass
 
diff --git a/llvm/test/Other/pass-pipeline-parsing.ll b/llvm/test/Other/pass-pipeline-parsing.ll
--- a/llvm/test/Other/pass-pipeline-parsing.ll
+++ b/llvm/test/Other/pass-pipeline-parsing.ll
@@ -10,11 +10,9 @@
 ; RUN:     -passes='module(no-op-module,no-op-module)' %s 2>&1 \
 ; RUN:     | FileCheck %s --check-prefix=CHECK-NESTED-TWO-NOOP-MP
 ; CHECK-NESTED-TWO-NOOP-MP: Starting llvm::Module pass manager run
-; CHECK-NESTED-TWO-NOOP-MP: Starting llvm::Module pass manager run
 ; CHECK-NESTED-TWO-NOOP-MP: Running pass: NoOpModulePass
 ; CHECK-NESTED-TWO-NOOP-MP: Running pass: NoOpModulePass
 ; CHECK-NESTED-TWO-NOOP-MP: Finished llvm::Module pass manager run
-; CHECK-NESTED-TWO-NOOP-MP: Finished llvm::Module pass manager run
 
 ; RUN: opt -disable-output -debug-pass-manager \
 ; RUN:     -passes=no-op-function,no-op-function %s 2>&1 \
@@ -112,7 +110,6 @@
 ; RUN:     -passes='module(function(no-op-function),cgscc(no-op-cgscc,function(no-op-function),no-op-cgscc),function(no-op-function))' %s 2>&1 \
 ; RUN:     | FileCheck %s --check-prefix=CHECK-NESTED-MP-CG-FP
 ; CHECK-NESTED-MP-CG-FP: Starting llvm::Module pass manager run
-; CHECK-NESTED-MP-CG-FP: Starting llvm::Module pass manager run
 ; CHECK-NESTED-MP-CG-FP: Starting llvm::Function pass manager run
 ; CHECK-NESTED-MP-CG-FP: Running pass: NoOpFunctionPass
 ; CHECK-NESTED-MP-CG-FP: Finished llvm::Function pass manager run
@@ -127,7 +124,6 @@
 ; CHECK-NESTED-MP-CG-FP: Running pass: NoOpFunctionPass
 ; CHECK-NESTED-MP-CG-FP: Finished llvm::Function pass manager run
 ; CHECK-NESTED-MP-CG-FP: Finished llvm::Module pass manager run
-; CHECK-NESTED-MP-CG-FP: Finished llvm::Module pass manager run
 
 ; RUN: opt -disable-output -debug-pass-manager \
 ; RUN:     -passes='no-op-loop,no-op-loop' %s 2>&1 \
@@ -165,7 +161,6 @@
 ; RUN:     -passes='module(no-op-function,no-op-loop,no-op-cgscc,cgscc(no-op-function,no-op-loop),function(no-op-loop))' %s 2>&1 \
 ; RUN:     | FileCheck %s --check-prefix=CHECK-ADAPTORS
 ; CHECK-ADAPTORS: Starting llvm::Module pass manager run
-; CHECK-ADAPTORS: Starting llvm::Module pass manager run
 ; CHECK-ADAPTORS: Running pass: ModuleToFunctionPassAdaptor<{{.*}}NoOpFunctionPass>
 ; CHECK-ADAPTORS: Running pass: NoOpFunctionPass
 ; CHECK-ADAPTORS: Running pass: ModuleToFunctionPassAdaptor<{{.*}}FunctionToLoopPassAdaptor<{{.*}}NoOpLoopPass>{{.*}}>
@@ -187,7 +182,6 @@
 ; CHECK-ADAPTORS: Running pass: NoOpLoopPass on Loop at depth 1 containing: %loop
 ; CHECK-ADAPTORS: Finished llvm::Function pass manager run
 ; CHECK-ADAPTORS: Finished llvm::Module pass manager run
-; CHECK-ADAPTORS: Finished llvm::Module pass manager run
 
 ; RUN: opt -disable-output -debug-pass-manager \
 ; RUN:     -passes='cgscc(print)' %s 2>&1 \