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diff --git a/llvm/test/Other/new-pm-thinlto-defaults.ll b/llvm/test/Other/new-pm-thinlto-defaults.ll
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+++ b/llvm/test/Other/new-pm-thinlto-defaults.ll
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+; The IR below was crafted so as:
+; 1) To have a loop, so we create a loop pass manager
+; 2) To be "immutable" in the sense that no pass in the standard
+;    pipeline will modify it.
+; Since no transformations take place, we don't expect any analyses
+; to be invalidated.
+; Any invalidation that shows up here is a bug, unless we started modifying
+; the IR, in which case we need to make it immutable harder.
+;
+; Prelink pipelines:
+; RUN: opt -disable-verify -debug-pass-manager \
+; RUN:     -passes='thinlto-pre-link<O1>' -S %s 2>&1 \
+; RUN:     | FileCheck %s --check-prefixes=CHECK-O,CHECK-O1,CHECK-PRELINK-O,CHECK-PRELINK-O1
+; RUN: opt -disable-verify -debug-pass-manager \
+; RUN:     -passes='thinlto-pre-link<O2>' -S  %s 2>&1 \
+; RUN:     | FileCheck %s --check-prefixes=CHECK-O,CHECK-O2,CHECK-PRELINK-O,CHECK-PRELINK-O2
+; RUN: opt -disable-verify -debug-pass-manager \
+; RUN:     -passes='thinlto-pre-link<O3>' -S  %s 2>&1 \
+; RUN:     | FileCheck %s --check-prefixes=CHECK-O,CHECK-O3,CHECK-PRELINK-O,CHECK-PRELINK-O3
+; RUN: opt -disable-verify -debug-pass-manager \
+; RUN:     -passes='thinlto-pre-link<Os>' -S %s 2>&1 \
+; RUN:     | FileCheck %s --check-prefixes=CHECK-O,CHECK-Os,CHECK-PRELINK-O,CHECK-PRELINK-Os
+; RUN: opt -disable-verify -debug-pass-manager \
+; RUN:     -passes='thinlto-pre-link<Oz>' -S %s 2>&1 \
+; RUN:     | FileCheck %s --check-prefixes=CHECK-O,CHECK-Oz,CHECK-PRELINK-O,CHECK-PRELINK-Oz
+;
+; Postlink pipelines:
+; RUN: opt -disable-verify -debug-pass-manager \
+; RUN:     -passes='thinlto<O1>' -S %s 2>&1 \
+; RUN:     | FileCheck %s --check-prefixes=CHECK-O,CHECK-O1,CHECK-POSTLINK-O,CHECK-POSTLINK-O1
+; RUN: opt -disable-verify -debug-pass-manager \
+; RUN:     -passes='thinlto<O2>' -S  %s 2>&1 \
+; RUN:     | FileCheck %s --check-prefixes=CHECK-O,CHECK-O2,CHECK-POSTLINK-O,CHECK-POSTLINK-O2
+; RUN: opt -disable-verify -debug-pass-manager \
+; RUN:     -passes='thinlto<O3>' -S  %s 2>&1 \
+; RUN:     | FileCheck %s --check-prefixes=CHECK-O,CHECK-O3,CHECK-POSTLINK-O,CHECK-POSTLINK-O3
+; RUN: opt -disable-verify -debug-pass-manager \
+; RUN:     -passes='thinlto<Os>' -S %s 2>&1 \
+; RUN:     | FileCheck %s --check-prefixes=CHECK-O,CHECK-Os,CHECK-POSTLINK-O,CHECK-POSTLINK-Os
+; RUN: opt -disable-verify -debug-pass-manager \
+; RUN:     -passes='thinlto<Oz>' -S %s 2>&1 \
+; RUN:     | FileCheck %s --check-prefixes=CHECK-O,CHECK-Oz,CHECK-POSTLINK-O,CHECK-POSTLINK-Oz
+;
+; CHECK-O: Starting llvm::Module pass manager run.
+; CHECK-O-NEXT: Running pass: PassManager<{{.*}}Module{{.*}}>
+; CHECK-O-NEXT: Starting llvm::Module pass manager run.
+; CHECK-O-NEXT: Running pass: ForceFunctionAttrsPass
+; CHECK-POSTLINK-O-NEXT: Running pass: PGOIndirectCallPromotion
+; CHECK-O-NEXT: Running pass: PassManager<{{.*}}Module{{.*}}>
+; CHECK-O-NEXT: Starting llvm::Module pass manager run.
+; CHECK-O-NEXT: Running pass: InferFunctionAttrsPass
+; CHECK-O-NEXT: Running analysis: TargetLibraryAnalysis
+; CHECK-O-NEXT: Running pass: ModuleToFunctionPassAdaptor<{{.*}}PassManager{{.*}}>
+; CHECK-O-NEXT: Running analysis: InnerAnalysisManagerProxy
+; CHECK-O-NEXT: Starting llvm::Function pass manager run.
+; CHECK-O-NEXT: Running pass: SimplifyCFGPass
+; CHECK-O-NEXT: Running analysis: TargetIRAnalysis
+; CHECK-O-NEXT: Running analysis: AssumptionAnalysis
+; CHECK-O-NEXT: Running pass: SROA
+; CHECK-O-NEXT: Running analysis: DominatorTreeAnalysis
+; CHECK-O-NEXT: Running pass: EarlyCSEPass
+; CHECK-O-NEXT: Running analysis: TargetLibraryAnalysis
+; CHECK-O-NEXT: Running pass: LowerExpectIntrinsicPass
+; CHECK-O-NEXT: Finished llvm::Function pass manager run.
+; CHECK-O-NEXT: Running pass: IPSCCPPass
+; CHECK-O-NEXT: Running pass: GlobalOptPass
+; CHECK-O-NEXT: Running pass: ModuleToFunctionPassAdaptor<{{.*}}PromotePass>
+; CHECK-O-NEXT: Running pass: DeadArgumentEliminationPass
+; CHECK-O-NEXT: Running pass: ModuleToFunctionPassAdaptor<{{.*}}PassManager{{.*}}>
+; CHECK-O-NEXT: Starting llvm::Function pass manager run.
+; CHECK-O-NEXT: Running pass: InstCombinePass
+; CHECK-O-NEXT: Running pass: SimplifyCFGPass
+; CHECK-O-NEXT: Finished llvm::Function pass manager run.
+; CHECK-O-NEXT: Running pass: RequireAnalysisPass<{{.*}}GlobalsAA
+; CHECK-O-NEXT: Running analysis: GlobalsAA
+; CHECK-O-NEXT: Running analysis: CallGraphAnalysis
+; CHECK-O-NEXT: Running pass: RequireAnalysisPass<{{.*}}ProfileSummaryAnalysis
+; CHECK-O-NEXT: Running analysis: ProfileSummaryAnalysis
+; CHECK-O-NEXT: Running pass: ModuleToPostOrderCGSCCPassAdaptor<{{.*}}LazyCallGraph{{.*}}>
+; CHECK-O-NEXT: Running analysis: InnerAnalysisManagerProxy
+; CHECK-O-NEXT: Running analysis: LazyCallGraphAnalysis
+; CHECK-O-NEXT: Starting CGSCC pass manager run.
+; CHECK-O-NEXT: Running pass: InlinerPass
+; CHECK-O-NEXT: Running analysis: OuterAnalysisManagerProxy<{{.*}}LazyCallGraph{{.*}}>
+; CHECK-O-NEXT: Running pass: PostOrderFunctionAttrsPass
+; CHECK-O-NEXT: Running analysis: FunctionAnalysisManagerCGSCCProxy
+; CHECK-O-NEXT: Running analysis: AAManager
+; CHECK-O3-NEXT: Running pass: ArgumentPromotionPass
+; CHECK-O-NEXT: Running pass: CGSCCToFunctionPassAdaptor<{{.*}}PassManager{{.*}}>
+; CHECK-O-NEXT: Starting llvm::Function pass manager run.
+; CHECK-O-NEXT: Running pass: SROA
+; CHECK-O-NEXT: Running pass: EarlyCSEPass
+; CHECK-O-NEXT: Running pass: SpeculativeExecutionPass
+; CHECK-O-NEXT: Running pass: JumpThreadingPass
+; CHECK-O-NEXT: Running analysis: LazyValueAnalysis
+; CHECK-O-NEXT: Running pass: CorrelatedValuePropagationPass
+; CHECK-O-NEXT: Running pass: SimplifyCFGPass
+; CHECK-O-NEXT: Running pass: InstCombinePass
+; CHECK-O1-NEXT: Running pass: LibCallsShrinkWrapPass
+; CHECK-O2-NEXT: Running pass: LibCallsShrinkWrapPass
+; CHECK-O3-NEXT: Running pass: LibCallsShrinkWrapPass
+; CHECK-O-NEXT: Running pass: TailCallElimPass
+; CHECK-O-NEXT: Running pass: SimplifyCFGPass
+; CHECK-O-NEXT: Running pass: ReassociatePass
+; CHECK-O-NEXT: Running pass: RequireAnalysisPass<{{.*}}OptimizationRemarkEmitterAnalysis
+; CHECK-O-NEXT: Running analysis: OptimizationRemarkEmitterAnalysis
+; CHECK-O-NEXT: Running pass: FunctionToLoopPassAdaptor<{{.*}}LoopStandardAnalysisResults{{.*}}>
+; CHECK-O-NEXT: Running analysis: LoopAnalysis
+; CHECK-O-NEXT: Running analysis: ScalarEvolutionAnalysis
+; CHECK-O-NEXT: Running analysis: InnerAnalysisManagerProxy
+; CHECK-O-NEXT: Starting Loop pass manager run.
+; CHECK-O-NEXT: Running pass: LoopRotatePass
+; CHECK-O-NEXT: Running pass: LICM
+; CHECK-O-NEXT: Running analysis: OuterAnalysisManagerProxy
+; CHECK-O-NEXT: Running pass: SimpleLoopUnswitchPass
+; CHECK-O-NEXT: Finished Loop pass manager run.
+; CHECK-O-NEXT: Running pass: SimplifyCFGPass
+; CHECK-O-NEXT: Running pass: InstCombinePass
+; CHECK-O-NEXT: Running pass: FunctionToLoopPassAdaptor<{{.*}}LoopStandardAnalysisResults{{.*}}>
+; CHECK-O-NEXT: Starting Loop pass manager run.
+; CHECK-O-NEXT: Running pass: IndVarSimplifyPass
+; CHECK-O-NEXT: Running pass: LoopIdiomRecognizePass
+; CHECK-O-NEXT: Running pass: LoopDeletionPass
+; CHECK-O-NEXT: Running pass: LoopUnrollPass
+; CHECK-O-NEXT: Finished Loop pass manager run.
+; CHECK-Os-NEXT: Running pass: MergedLoadStoreMotionPass
+; CHECK-Os-NEXT: Running pass: GVN
+; CHECK-Os-NEXT: Running analysis: MemoryDependenceAnalysis
+; CHECK-Oz-NEXT: Running pass: MergedLoadStoreMotionPass
+; CHECK-Oz-NEXT: Running pass: GVN
+; CHECK-Oz-NEXT: Running analysis: MemoryDependenceAnalysis
+; CHECK-O2-NEXT: Running pass: MergedLoadStoreMotionPass
+; CHECK-O2-NEXT: Running pass: GVN
+; CHECK-O2-NEXT: Running analysis: MemoryDependenceAnalysis
+; CHECK-O3-NEXT: Running pass: MergedLoadStoreMotionPass
+; CHECK-O3-NEXT: Running pass: GVN
+; CHECK-O3-NEXT: Running analysis: MemoryDependenceAnalysis
+; CHECK-O-NEXT: Running pass: MemCpyOptPass
+; CHECK-O1-NEXT: Running analysis: MemoryDependenceAnalysis
+; CHECK-O-NEXT: Running pass: SCCPPass
+; CHECK-O-NEXT: Running pass: BDCEPass
+; CHECK-O-NEXT: Running analysis: DemandedBitsAnalysis
+; CHECK-O-NEXT: Running pass: InstCombinePass
+; CHECK-O-NEXT: Running pass: JumpThreadingPass
+; CHECK-O-NEXT: Running pass: CorrelatedValuePropagationPass
+; CHECK-O-NEXT: Running pass: DSEPass
+; CHECK-O-NEXT: Running pass: FunctionToLoopPassAdaptor<{{.*}}LICMPass{{.*}}>
+; CHECK-O-NEXT: Running pass: ADCEPass
+; CHECK-O-NEXT: Running analysis: PostDominatorTreeAnalysis
+; CHECK-O-NEXT: Running pass: SimplifyCFGPass
+; CHECK-O-NEXT: Running pass: InstCombinePass
+; 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-PRELINK-O-NEXT: Running pass: GlobalOptPass
+; CHECK-PRELINK-O-NEXT: Running pass: NameAnonGlobalPass
+; CHECK-POSTLINK-O-NEXT: Running pass: PassManager<{{.*}}Module{{.*}}>
+; CHECK-POSTLINK-O-NEXT: Starting llvm::Module pass manager run.
+; CHECK-POSTLINK-O-NEXT: Running pass: GlobalOptPass
+; CHECK-POSTLINK-O-NEXT: Running pass: EliminateAvailableExternallyPass
+; CHECK-POSTLINK-O-NEXT: Running pass: ReversePostOrderFunctionAttrsPass
+; CHECK-POSTLINK-O-NEXT: Running pass: RequireAnalysisPass<{{.*}}GlobalsAA
+; CHECK-POSTLINK-O-NEXT: Running pass: ModuleToFunctionPassAdaptor<{{.*}}PassManager{{.*}}>
+; CHECK-POSTLINK-O-NEXT: Starting llvm::Function pass manager run.
+; CHECK-POSTLINK-O-NEXT: Running pass: Float2IntPass
+; CHECK-POSTLINK-O-NEXT: Running pass: FunctionToLoopPassAdaptor<{{.*}}LoopRotatePass
+; CHECK-POSTLINK-O-NEXT: Running pass: LoopDistributePass
+; CHECK-POSTLINK-O-NEXT: Running pass: LoopVectorizePass
+; CHECK-POSTLINK-O-NEXT: Running analysis: BlockFrequencyAnalysis
+; CHECK-POSTLINK-O-NEXT: Running analysis: BranchProbabilityAnalysis
+; CHECK-POSTLINK-O-NEXT: Running pass: LoopLoadEliminationPass
+; CHECK-POSTLINK-O-NEXT: Running analysis: LoopAccessAnalysis
+; CHECK-POSTLINK-O-NEXT: Running pass: InstCombinePass
+; CHECK-POSTLINK-O-NEXT: Running pass: SLPVectorizerPass
+; CHECK-POSTLINK-O-NEXT: Running pass: SimplifyCFGPass
+; CHECK-POSTLINK-O-NEXT: Running pass: InstCombinePass
+; CHECK-POSTLINK-O-NEXT: Running pass: FunctionToLoopPassAdaptor<{{.*}}LoopUnrollPass
+; CHECK-POSTLINK-O-NEXT: Running pass: InstCombinePass
+; CHECK-POSTLINK-O-NEXT: Running pass: RequireAnalysisPass<{{.*}}OptimizationRemarkEmitterAnalysis
+; CHECK-POSTLINK-O-NEXT: Running pass: FunctionToLoopPassAdaptor<{{.*}}LICMPass
+; CHECK-POSTLINK-O-NEXT: Running pass: AlignmentFromAssumptionsPass
+; CHECK-POSTLINK-O-NEXT: Running pass: LoopSinkPass
+; CHECK-POSTLINK-O-NEXT: Running pass: InstSimplifierPass
+; CHECK-POSTLINK-O-NEXT: Running pass: SimplifyCFGPass
+; CHECK-POSTLINK-O-NEXT: Finished llvm::Function pass manager run.
+; 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-O-NEXT: Running pass: PrintModulePass
+
+; Make sure we get the IR back out without changes when we print the module.
+; CHECK-O-LABEL: define void @foo(i32 %n) local_unnamed_addr {
+; CHECK-O-NEXT: entry:
+; CHECK-O-NEXT:   br label %loop
+; CHECK-O:      loop:
+; CHECK-O-NEXT:   %iv = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
+; CHECK-O-NEXT:   %iv.next = add i32 %iv, 1
+; CHECK-O-NEXT:   tail call void @bar()
+; CHECK-O-NEXT:   %cmp = icmp eq i32 %iv, %n
+; CHECK-O-NEXT:   br i1 %cmp, label %exit, label %loop
+; CHECK-O:      exit:
+; CHECK-O-NEXT:   ret void
+; CHECK-O-NEXT: }
+;
+; CHECK-O-NEXT: Finished llvm::Module pass manager run.
+
+declare void @bar() local_unnamed_addr
+
+define void @foo(i32 %n) local_unnamed_addr {
+entry:
+  br label %loop
+loop:
+  %iv = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
+  %iv.next = add i32 %iv, 1
+  tail call void @bar()
+  %cmp = icmp eq i32 %iv, %n
+  br i1 %cmp, label %exit, label %loop
+exit:
+  ret void
+}