diff --git a/llvm/include/llvm/IR/PassManager.h b/llvm/include/llvm/IR/PassManager.h
@@ -44,6 +44,7 @@
 #include "llvm/ADT/TinyPtrVector.h"
 #include "llvm/IR/Function.h"
 #include "llvm/IR/Module.h"
+#include "llvm/IR/PassInstrumentation.h"
 #include "llvm/IR/PassManagerInternal.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/TypeName.h"
@@ -402,6 +403,43 @@ struct AnalysisInfoMixin : PassInfoMixin<DerivedT> {
   }
 };
 
+namespace detail {
+
+/// Actual unpacker of extra arguments in getAnalysisResult,
+/// passes only those tuple arguments that are mentioned in index_sequence.
+template <typename PassT, typename IRUnitT, typename AnalysisManagerT,
+          typename... ArgTs, size_t... Ns>
+typename PassT::Result
+getAnalysisResultUnpackTuple(AnalysisManagerT &AM, IRUnitT &IR,
+                             std::tuple<ArgTs...> Args,
+                             llvm::index_sequence<Ns...>) {
+  (void)Args;
+  return AM.template getResult<PassT>(IR, std::get<Ns>(Args)...);
+}
+
+/// Helper for *partial* unpacking of extra arguments in getAnalysisResult.
+///
+/// Arguments passed in tuple come from PassManager, so they might have extra
+/// arguments after those AnalysisManager's ExtraArgTs ones that we need to
+/// pass to getResult.
+template <typename PassT, typename IRUnitT, typename... AnalysisArgTs,
+          typename... MainArgTs>
+typename PassT::Result
+getAnalysisResult(AnalysisManager<IRUnitT, AnalysisArgTs...> &AM, IRUnitT &IR,
+                  std::tuple<MainArgTs...> Args) {
+  return (getAnalysisResultUnpackTuple<
+          PassT, IRUnitT>)(AM, IR, Args,
+                           llvm::index_sequence_for<AnalysisArgTs...>{});
+}
+
+} // namespace detail
+
+// Forward declare the pass instrumentation analysis explicitly queried in
+// generic PassManager code.
+// FIXME: figure out a way to move PassInstrumentationAnalysis into its own
+// header.
+class PassInstrumentationAnalysis;
+
 /// Manages a sequence of passes over a particular unit of IR.
 ///
 /// A pass manager contains a sequence of passes to run over a particular unit
@@ -445,15 +483,34 @@ class PassManager : public PassInfoMixin<
                         ExtraArgTs... ExtraArgs) {
     PreservedAnalyses PA = PreservedAnalyses::all();
 
+    // Request PassInstrumentation from analysis manager, will use it to run
+    // instrumenting callbacks for the passes later.
+    // Here we use std::tuple wrapper over getResult which helps to extract
+    // AnalysisManager's arguments out of the whole ExtraArgs set.
+    PassInstrumentation PI =
+        detail::getAnalysisResult<PassInstrumentationAnalysis>(
+            AM, IR, std::tuple<ExtraArgTs...>(ExtraArgs...));
+
     if (DebugLogging)
       dbgs() << "Starting " << getTypeName<IRUnitT>() << " pass manager run.\n";
 
     for (unsigned Idx = 0, Size = Passes.size(); Idx != Size; ++Idx) {
+      auto *P = Passes[Idx].get();
       if (DebugLogging)
-        dbgs() << "Running pass: " << Passes[Idx]->name() << " on "
-               << IR.getName() << "\n";
+        dbgs() << "Running pass: " << P->name() << " on " << IR.getName()
+               << "\n";
+
+      // Check the PassInstrumentation's BeforePass callbacks before running the
+      // pass, skip its execution completely if asked to (callback returns
+      // false).
+      if (!PI.runBeforePass<IRUnitT>(*P, IR))
+        continue;
+
+      PreservedAnalyses PassPA = P->run(IR, AM, ExtraArgs...);
 
-      PreservedAnalyses PassPA = Passes[Idx]->run(IR, AM, ExtraArgs...);
+      // Call onto PassInstrumentation's AfterPass callbacks immediately after
+      // running the pass.
+      PI.runAfterPass<IRUnitT>(*P, IR);
 
       // Update the analysis manager as each pass runs and potentially
       // invalidates analyses.
@@ -510,6 +567,32 @@ extern template class PassManager<Function>;
 /// Convenience typedef for a pass manager over functions.
 using FunctionPassManager = PassManager<Function>;
 
+/// Pseudo-analysis pass that exposes the \c PassInstrumentation to pass
+/// managers. Goes before AnalysisManager definition to provide its
+/// internals (e.g PassInstrumentationAnalysis::ID) for use there if needed.
+/// FIXME: figure out a way to move PassInstrumentationAnalysis into its own
+/// header.
+class PassInstrumentationAnalysis
+    : public AnalysisInfoMixin<PassInstrumentationAnalysis> {
+  friend AnalysisInfoMixin<PassInstrumentationAnalysis>;
+  static AnalysisKey Key;
+
+  PassInstrumentationCallbacks *Callbacks;
+
+public:
+  /// PassInstrumentationCallbacks object is shared, owned by something else,
+  /// not this analysis.
+  PassInstrumentationAnalysis(PassInstrumentationCallbacks *Callbacks = nullptr)
+      : Callbacks(Callbacks) {}
+
+  using Result = PassInstrumentation;
+
+  template <typename IRUnitT, typename AnalysisManagerT, typename... ExtraArgTs>
+  Result run(IRUnitT &, AnalysisManagerT &, ExtraArgTs &&...) {
+    return PassInstrumentation(Callbacks);
+  }
+};
+
 /// A container for analyses that lazily runs them and caches their
 /// results.
 ///
@@ -1192,13 +1275,24 @@ class ModuleToFunctionPassAdaptor
     FunctionAnalysisManager &FAM =
         AM.getResult<FunctionAnalysisManagerModuleProxy>(M).getManager();
 
+    // Request PassInstrumentation from analysis manager, will use it to run
+    // instrumenting callbacks for the passes later.
+    PassInstrumentation PI = AM.getResult<PassInstrumentationAnalysis>(M);
+
     PreservedAnalyses PA = PreservedAnalyses::all();
     for (Function &F : M) {
       if (F.isDeclaration())
         continue;
 
+      // Check the PassInstrumentation's BeforePass callbacks before running the
+      // pass, skip its execution completely if asked to (callback returns
+      // false).
+      if (!PI.runBeforePass<Function>(Pass, F))
+        continue;
       PreservedAnalyses PassPA = Pass.run(F, FAM);
 
+      PI.runAfterPass(Pass, F);
+
       // We know that the function pass couldn't have invalidated any other
       // function's analyses (that's the contract of a function pass), so
       // directly handle the function analysis manager's invalidation here.
@@ -1302,10 +1396,26 @@ class RepeatedPass : public PassInfoMixin<RepeatedPass<PassT>> {
   RepeatedPass(int Count, PassT P) : Count(Count), P(std::move(P)) {}
 
   template <typename IRUnitT, typename AnalysisManagerT, typename... Ts>
-  PreservedAnalyses run(IRUnitT &Arg, AnalysisManagerT &AM, Ts &&... Args) {
+  PreservedAnalyses run(IRUnitT &IR, AnalysisManagerT &AM, Ts &&... Args) {
+
+    // Request PassInstrumentation from analysis manager, will use it to run
+    // instrumenting callbacks for the passes later.
+    // Here we use std::tuple wrapper over getResult which helps to extract
+    // AnalysisManager's arguments out of the whole Args set.
+    PassInstrumentation PI =
+        detail::getAnalysisResult<PassInstrumentationAnalysis>(
+            AM, IR, std::tuple<Ts...>(Args...));
+
     auto PA = PreservedAnalyses::all();
-    for (int i = 0; i < Count; ++i)
-      PA.intersect(P.run(Arg, AM, std::forward<Ts>(Args)...));
+    for (int i = 0; i < Count; ++i) {
+      // Check the PassInstrumentation's BeforePass callbacks before running the
+      // pass, skip its execution completely if asked to (callback returns
+      // false).
+      if (!PI.runBeforePass<IRUnitT>(P, IR))
+        continue;
+      PA.intersect(P.run(IR, AM, std::forward<Ts>(Args)...));
+      PI.runAfterPass(P, IR);
+    }
     return PA;
   }
 

diff --git a/llvm/include/llvm/Passes/PassBuilder.h b/llvm/include/llvm/Passes/PassBuilder.h
@@ -58,6 +58,7 @@ struct PGOOptions {
 class PassBuilder {
   TargetMachine *TM;
   Optional<PGOOptions> PGOOpt;
+  PassInstrumentationCallbacks *PIC;
 
 public:
   /// A struct to capture parsed pass pipeline names.
@@ -172,8 +173,9 @@ class PassBuilder {
   };
 
   explicit PassBuilder(TargetMachine *TM = nullptr,
-                       Optional<PGOOptions> PGOOpt = None)
-      : TM(TM), PGOOpt(PGOOpt) {}
+                       Optional<PGOOptions> PGOOpt = None,
+                       PassInstrumentationCallbacks *PIC = nullptr)
+      : TM(TM), PGOOpt(PGOOpt), PIC(PIC) {}
 
   /// Cross register the analysis managers through their proxies.
   ///

diff --git a/llvm/include/llvm/Transforms/Scalar/LoopPassManager.h b/llvm/include/llvm/Transforms/Scalar/LoopPassManager.h
@@ -276,7 +276,15 @@ class FunctionToLoopPassAdaptor
     // pass pipeline to put loops into their canonical form. Note that we can
     // directly build up function analyses after this as the function pass
     // manager handles all the invalidation at that layer.
-    PreservedAnalyses PA = LoopCanonicalizationFPM.run(F, AM);
+    PassInstrumentation PI = AM.getResult<PassInstrumentationAnalysis>(F);
+
+    PreservedAnalyses PA = PreservedAnalyses::all();
+    // Check the PassInstrumentation's BeforePass callbacks before running the
+    // canonicalization pipeline.
+    if (PI.runBeforePass<Function>(LoopCanonicalizationFPM, F)) {
+      PA = LoopCanonicalizationFPM.run(F, AM);
+      PI.runAfterPass<Function>(LoopCanonicalizationFPM, F);
+    }
 
     // Get the loop structure for this function
     LoopInfo &LI = AM.getResult<LoopAnalysis>(F);
@@ -337,8 +345,15 @@ class FunctionToLoopPassAdaptor
       assert(L->isRecursivelyLCSSAForm(LAR.DT, LI) &&
              "Loops must remain in LCSSA form!");
 #endif
-
+      // Check the PassInstrumentation's BeforePass callbacks before running the
+      // pass, skip its execution completely if asked to (callback returns
+      // false).
+      if (!PI.runBeforePass<Loop>(Pass, *L))
+        continue;
       PreservedAnalyses PassPA = Pass.run(*L, LAM, LAR, Updater);
+
+      PI.runAfterPass<Loop>(Pass, *L);
+
       // FIXME: We should verify the set of analyses relevant to Loop passes
       // are preserved.
 

diff --git a/llvm/lib/Analysis/CGSCCPassManager.cpp b/llvm/lib/Analysis/CGSCCPassManager.cpp
@@ -54,6 +54,11 @@ PassManager<LazyCallGraph::SCC, CGSCCAnalysisManager, LazyCallGraph &,
             CGSCCUpdateResult &>::run(LazyCallGraph::SCC &InitialC,
                                       CGSCCAnalysisManager &AM,
                                       LazyCallGraph &G, CGSCCUpdateResult &UR) {
+  // Request PassInstrumentation from analysis manager, will use it to run
+  // instrumenting callbacks for the passes later.
+  PassInstrumentation PI =
+      AM.getResult<PassInstrumentationAnalysis>(InitialC, G);
+
   PreservedAnalyses PA = PreservedAnalyses::all();
 
   if (DebugLogging)
@@ -67,8 +72,15 @@ PassManager<LazyCallGraph::SCC, CGSCCAnalysisManager, LazyCallGraph &,
     if (DebugLogging)
       dbgs() << "Running pass: " << Pass->name() << " on " << *C << "\n";
 
+    // Check the PassInstrumentation's BeforePass callbacks before running the
+    // pass, skip its execution completely if asked to (callback returns false).
+    if (!PI.runBeforePass(*Pass, *C))
+      continue;
+
     PreservedAnalyses PassPA = Pass->run(*C, AM, G, UR);
 
+    PI.runAfterPass(*Pass, *C);
+
     // Update the SCC if necessary.
     C = UR.UpdatedC ? UR.UpdatedC : C;
 

diff --git a/llvm/lib/FuzzMutate/IRMutator.cpp b/llvm/lib/FuzzMutate/IRMutator.cpp
@@ -73,6 +73,7 @@ static void eliminateDeadCode(Function &F) {
   FPM.addPass(DCEPass());
   FunctionAnalysisManager FAM;
   FAM.registerPass([&] { return TargetLibraryAnalysis(); });
+  FAM.registerPass([&] { return PassInstrumentationAnalysis(); });
   FPM.run(F, FAM);
 }
 

diff --git a/llvm/lib/IR/CMakeLists.txt b/llvm/lib/IR/CMakeLists.txt
@@ -42,6 +42,7 @@ add_llvm_library(LLVMCore
   Operator.cpp
   OptBisect.cpp
   Pass.cpp
+  PassInstrumentation.cpp
   PassManager.cpp
   PassRegistry.cpp
   PassTimingInfo.cpp

diff --git a/llvm/lib/IR/PassInstrumentation.cpp b/llvm/lib/IR/PassInstrumentation.cpp
@@ -0,0 +1,22 @@
+//===- PassInstrumentation.cpp - Pass Instrumentation interface -*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+/// \file
+///
+/// This file provides the implementation of PassInstrumentation class.
+///
+//===----------------------------------------------------------------------===//
+
+#include "llvm/IR/PassInstrumentation.h"
+#include "llvm/IR/PassManager.h"
+
+namespace llvm {
+
+AnalysisKey PassInstrumentationAnalysis::Key;
+
+} // namespace llvm
diff --git a/llvm/lib/Passes/PassRegistry.def b/llvm/lib/Passes/PassRegistry.def
@@ -26,6 +26,7 @@ MODULE_ANALYSIS("no-op-module", NoOpModuleAnalysis())
 MODULE_ANALYSIS("profile-summary", ProfileSummaryAnalysis())
 MODULE_ANALYSIS("targetlibinfo", TargetLibraryAnalysis())
 MODULE_ANALYSIS("verify", VerifierAnalysis())
+MODULE_ANALYSIS("pass-instrumentation", PassInstrumentationAnalysis(PIC))
 
 #ifndef MODULE_ALIAS_ANALYSIS
 #define MODULE_ALIAS_ANALYSIS(NAME, CREATE_PASS)                               \
@@ -84,6 +85,7 @@ MODULE_PASS("verify", VerifierPass())
 #endif
 CGSCC_ANALYSIS("no-op-cgscc", NoOpCGSCCAnalysis())
 CGSCC_ANALYSIS("fam-proxy", FunctionAnalysisManagerCGSCCProxy())
+CGSCC_ANALYSIS("pass-instrumentation", PassInstrumentationAnalysis(PIC))
 #undef CGSCC_ANALYSIS
 
 #ifndef CGSCC_PASS
@@ -121,6 +123,7 @@ FUNCTION_ANALYSIS("targetlibinfo", TargetLibraryAnalysis())
 FUNCTION_ANALYSIS("targetir",
                   TM ? TM->getTargetIRAnalysis() : TargetIRAnalysis())
 FUNCTION_ANALYSIS("verify", VerifierAnalysis())
+FUNCTION_ANALYSIS("pass-instrumentation", PassInstrumentationAnalysis(PIC))
 
 #ifndef FUNCTION_ALIAS_ANALYSIS
 #define FUNCTION_ALIAS_ANALYSIS(NAME, CREATE_PASS)                             \
@@ -226,6 +229,7 @@ FUNCTION_PASS("view-cfg-only", CFGOnlyViewerPass())
 LOOP_ANALYSIS("no-op-loop", NoOpLoopAnalysis())
 LOOP_ANALYSIS("access-info", LoopAccessAnalysis())
 LOOP_ANALYSIS("ivusers", IVUsersAnalysis())
+LOOP_ANALYSIS("pass-instrumentation", PassInstrumentationAnalysis(PIC))
 #undef LOOP_ANALYSIS
 
 #ifndef LOOP_PASS

diff --git a/llvm/lib/Transforms/Scalar/LoopPassManager.cpp b/llvm/lib/Transforms/Scalar/LoopPassManager.cpp
@@ -30,12 +30,22 @@ PassManager<Loop, LoopAnalysisManager, LoopStandardAnalysisResults &,
   if (DebugLogging)
     dbgs() << "Starting Loop pass manager run.\n";
 
+  // Request PassInstrumentation from analysis manager, will use it to run
+  // instrumenting callbacks for the passes later.
+  PassInstrumentation PI = AM.getResult<PassInstrumentationAnalysis>(L, AR);
   for (auto &Pass : Passes) {
     if (DebugLogging)
       dbgs() << "Running pass: " << Pass->name() << " on " << L;
 
+    // Check the PassInstrumentation's BeforePass callbacks before running the
+    // pass, skip its execution completely if asked to (callback returns false).
+    if (!PI.runBeforePass<Loop>(*Pass, L))
+      continue;
+
     PreservedAnalyses PassPA = Pass->run(L, AM, AR, U);
 
+    PI.runAfterPass<Loop>(*Pass, L);
+
     // If the loop was deleted, abort the run and return to the outer walk.
     if (U.skipCurrentLoop()) {
       PA.intersect(std::move(PassPA));

diff --git a/llvm/test/Other/loop-pm-invalidation.ll b/llvm/test/Other/loop-pm-invalidation.ll
@@ -73,6 +73,7 @@ define void @one_loop(i1* %ptr) {
 ; CHECK-LOOP-INV-NEXT: Running analysis: TargetIRAnalysis
 ; CHECK-LOOP-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
 ; CHECK-LOOP-INV-NEXT: Starting {{.*}}Loop pass manager run.
+; CHECK-LOOP-INV-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass
 ; CHECK-LOOP-INV-NEXT: Finished {{.*}}Loop pass manager run.
 ; CHECK-LOOP-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}LoopAnalysis
@@ -90,6 +91,7 @@ define void @one_loop(i1* %ptr) {
 ; CHECK-LOOP-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
 ; CHECK-LOOP-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
 ; CHECK-LOOP-INV-NEXT: Starting {{.*}}Loop pass manager run.
+; CHECK-LOOP-INV-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass
 ; CHECK-LOOP-INV-NEXT: Finished {{.*}}Loop pass manager run.
 ; CHECK-LOOP-INV-NEXT: Finished {{.*}}Function pass manager run.
@@ -108,6 +110,7 @@ define void @one_loop(i1* %ptr) {
 ; CHECK-SCEV-INV-NEXT: Running analysis: TargetIRAnalysis
 ; CHECK-SCEV-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
 ; CHECK-SCEV-INV-NEXT: Starting {{.*}}Loop pass manager run.
+; CHECK-SCEV-INV-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass
 ; CHECK-SCEV-INV-NEXT: Finished {{.*}}Loop pass manager run.
 ; CHECK-SCEV-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}ScalarEvolutionAnalysis
@@ -123,6 +126,7 @@ define void @one_loop(i1* %ptr) {
 ; CHECK-SCEV-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
 ; CHECK-SCEV-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
 ; CHECK-SCEV-INV-NEXT: Starting {{.*}}Loop pass manager run.
+; CHECK-SCEV-INV-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass
 ; CHECK-SCEV-INV-NEXT: Finished {{.*}}Loop pass manager run.
 ; CHECK-SCEV-INV-NEXT: Finished {{.*}}Function pass manager run.
@@ -153,9 +157,11 @@ define void @nested_loops(i1* %ptr) {
 ; CHECK-LOOP-INV-NEXT: Running analysis: TargetIRAnalysis
 ; CHECK-LOOP-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
 ; CHECK-LOOP-INV-NEXT: Starting {{.*}}Loop pass manager run.
+; CHECK-LOOP-INV-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass
 ; CHECK-LOOP-INV-NEXT: Finished {{.*}}Loop pass manager run.
 ; CHECK-LOOP-INV-NEXT: Starting {{.*}}Loop pass manager run.
+; CHECK-LOOP-INV-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass
 ; CHECK-LOOP-INV: Finished {{.*}}Loop pass manager run.
 ; CHECK-LOOP-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}LoopAnalysis
@@ -174,9 +180,11 @@ define void @nested_loops(i1* %ptr) {
 ; CHECK-LOOP-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
 ; CHECK-LOOP-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
 ; CHECK-LOOP-INV-NEXT: Starting {{.*}}Loop pass manager run.
+; CHECK-LOOP-INV-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass
 ; CHECK-LOOP-INV-NEXT: Finished {{.*}}Loop pass manager run.
 ; CHECK-LOOP-INV-NEXT: Starting {{.*}}Loop pass manager run.
+; CHECK-LOOP-INV-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass
 ; CHECK-LOOP-INV: Finished {{.*}}Loop pass manager run.
 ; CHECK-LOOP-INV-NEXT: Finished {{.*}}Function pass manager run.
@@ -195,9 +203,11 @@ define void @nested_loops(i1* %ptr) {
 ; CHECK-SCEV-INV-NEXT: Running analysis: TargetIRAnalysis
 ; CHECK-SCEV-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
 ; CHECK-SCEV-INV-NEXT: Starting {{.*}}Loop pass manager run.
+; CHECK-SCEV-INV-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass
 ; CHECK-SCEV-INV-NEXT: Finished {{.*}}Loop pass manager run.
 ; CHECK-SCEV-INV-NEXT: Starting {{.*}}Loop pass manager run.
+; CHECK-SCEV-INV-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass
 ; CHECK-SCEV-INV: Finished {{.*}}Loop pass manager run.
 ; CHECK-SCEV-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}ScalarEvolutionAnalysis
@@ -214,9 +224,11 @@ define void @nested_loops(i1* %ptr) {
 ; CHECK-SCEV-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
 ; CHECK-SCEV-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
 ; CHECK-SCEV-INV-NEXT: Starting {{.*}}Loop pass manager run.
+; CHECK-SCEV-INV-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass
 ; CHECK-SCEV-INV-NEXT: Finished {{.*}}Loop pass manager run.
 ; CHECK-SCEV-INV-NEXT: Starting {{.*}}Loop pass manager run.
+; CHECK-SCEV-INV-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass
 ; CHECK-SCEV-INV: Finished {{.*}}Loop pass manager run.
 ; CHECK-SCEV-INV-NEXT: Finished {{.*}}Function pass manager run.
@@ -254,6 +266,7 @@ define void @dead_loop() {
 ; CHECK-LOOP-INV-NEXT: Running analysis: TargetIRAnalysis
 ; CHECK-LOOP-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
 ; CHECK-LOOP-INV-NEXT: Starting {{.*}}Loop pass manager run.
+; CHECK-LOOP-INV-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass
 ; CHECK-LOOP-INV-NEXT: Finished {{.*}}Loop pass manager run.
 ; CHECK-LOOP-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}LoopAnalysis
@@ -271,6 +284,7 @@ define void @dead_loop() {
 ; CHECK-LOOP-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
 ; CHECK-LOOP-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
 ; CHECK-LOOP-INV-NEXT: Starting {{.*}}Loop pass manager run.
+; CHECK-LOOP-INV-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-LOOP-INV-NEXT: Running pass: NoOpLoopPass
 ; CHECK-LOOP-INV-NEXT: Finished {{.*}}Loop pass manager run.
 ; CHECK-LOOP-INV-NEXT: Finished {{.*}}Function pass manager run.
@@ -289,6 +303,7 @@ define void @dead_loop() {
 ; CHECK-SCEV-INV-NEXT: Running analysis: TargetIRAnalysis
 ; CHECK-SCEV-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
 ; CHECK-SCEV-INV-NEXT: Starting {{.*}}Loop pass manager run.
+; CHECK-SCEV-INV-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass
 ; CHECK-SCEV-INV-NEXT: Finished {{.*}}Loop pass manager run.
 ; CHECK-SCEV-INV-NEXT: Running pass: InvalidateAnalysisPass<{{.*}}ScalarEvolutionAnalysis
@@ -304,6 +319,7 @@ define void @dead_loop() {
 ; CHECK-SCEV-INV-NEXT: Running analysis: ScalarEvolutionAnalysis
 ; CHECK-SCEV-INV-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
 ; CHECK-SCEV-INV-NEXT: Starting {{.*}}Loop pass manager run.
+; CHECK-SCEV-INV-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-SCEV-INV-NEXT: Running pass: NoOpLoopPass
 ; CHECK-SCEV-INV-NEXT: Finished {{.*}}Loop pass manager run.
 ; CHECK-SCEV-INV-NEXT: Finished {{.*}}Function pass manager run.
@@ -322,6 +338,7 @@ define void @dead_loop() {
 ; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running analysis: TargetIRAnalysis
 ; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Loop
 ; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Starting {{.*}}Loop pass manager run.
+; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running pass: NoOpLoopPass
 ; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Running pass: LoopDeletionPass
 ; CHECK-SCEV-INV-AFTER-DELETE-NEXT: Clearing all analysis results for:

diff --git a/llvm/test/Other/new-pass-manager.ll b/llvm/test/Other/new-pass-manager.ll
@@ -24,6 +24,7 @@
 ; CHECK-CGSCC-PASS-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*(FunctionAnalysisManager|AnalysisManager<.*Function.*>).*}},{{.*}}Module>
 ; CHECK-CGSCC-PASS-NEXT: Running analysis: LazyCallGraphAnalysis
 ; CHECK-CGSCC-PASS-NEXT: Running analysis: TargetLibraryAnalysis
+; CHECK-CGSCC-PASS-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-CGSCC-PASS-NEXT: Starting CGSCC pass manager run
 ; CHECK-CGSCC-PASS-NEXT: Running pass: NoOpCGSCCPass
 ; CHECK-CGSCC-PASS-NEXT: Finished CGSCC pass manager run
@@ -38,6 +39,7 @@
 ; CHECK-FUNCTION-PASS: Starting llvm::Module pass manager run
 ; CHECK-FUNCTION-PASS-NEXT: Running pass: ModuleToFunctionPassAdaptor
 ; CHECK-FUNCTION-PASS-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}>
+; CHECK-FUNCTION-PASS-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-FUNCTION-PASS-NEXT: Starting llvm::Function pass manager run
 ; CHECK-FUNCTION-PASS-NEXT: Running pass: NoOpFunctionPass
 ; CHECK-FUNCTION-PASS-NEXT: Finished llvm::Function pass manager run
@@ -408,6 +410,7 @@
 ; CHECK-REPEAT-CGSCC-PASS-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*(FunctionAnalysisManager|AnalysisManager<.*Function.*>).*}},{{.*}}Module>
 ; CHECK-REPEAT-CGSCC-PASS-NEXT: Running analysis: LazyCallGraphAnalysis
 ; CHECK-REPEAT-CGSCC-PASS-NEXT: Running analysis: TargetLibraryAnalysis
+; CHECK-REPEAT-CGSCC-PASS-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-REPEAT-CGSCC-PASS-NEXT: Starting CGSCC pass manager run
 ; CHECK-REPEAT-CGSCC-PASS-NEXT: Running pass: RepeatedPass
 ; CHECK-REPEAT-CGSCC-PASS-NEXT: Starting CGSCC pass manager run
@@ -428,6 +431,7 @@
 ; CHECK-REPEAT-FUNCTION-PASS: Starting llvm::Module pass manager run
 ; CHECK-REPEAT-FUNCTION-PASS-NEXT: Running pass: ModuleToFunctionPassAdaptor
 ; CHECK-REPEAT-FUNCTION-PASS-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}>
+; CHECK-REPEAT-FUNCTION-PASS-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-REPEAT-FUNCTION-PASS-NEXT: Starting llvm::Function pass manager run
 ; CHECK-REPEAT-FUNCTION-PASS-NEXT: Running pass: RepeatedPass
 ; CHECK-REPEAT-FUNCTION-PASS-NEXT: Starting llvm::Function pass manager run
@@ -448,6 +452,7 @@
 ; CHECK-REPEAT-LOOP-PASS: Starting llvm::Module pass manager run
 ; CHECK-REPEAT-LOOP-PASS-NEXT: Running pass: ModuleToFunctionPassAdaptor
 ; CHECK-REPEAT-LOOP-PASS-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}>
+; CHECK-REPEAT-LOOP-PASS-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-REPEAT-LOOP-PASS-NEXT: Starting llvm::Function pass manager run
 ; CHECK-REPEAT-LOOP-PASS-NEXT: Running pass: FunctionToLoopPassAdaptor
 ; CHECK-REPEAT-LOOP-PASS-NEXT: Starting llvm::Function pass manager run
@@ -464,6 +469,7 @@
 ; CHECK-REPEAT-LOOP-PASS-NEXT: Running analysis: TargetIRAnalysis
 ; CHECK-REPEAT-LOOP-PASS-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}>
 ; CHECK-REPEAT-LOOP-PASS-NEXT: Starting Loop pass manager run
+; CHECK-REPEAT-LOOP-PASS-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-REPEAT-LOOP-PASS-NEXT: Running pass: RepeatedPass
 ; CHECK-REPEAT-LOOP-PASS-NEXT: Starting Loop pass manager run
 ; CHECK-REPEAT-LOOP-PASS-NEXT: Running pass: NoOpLoopPass

diff --git a/llvm/test/Other/new-pm-defaults.ll b/llvm/test/Other/new-pm-defaults.ll
@@ -67,7 +67,8 @@
 ; RUN:     | FileCheck %s --check-prefix=CHECK-O --check-prefix=CHECK-O3 \
 ; RUN:     --check-prefix=CHECK-EP-PIPELINE-START
 
-; CHECK-O: Starting llvm::Module pass manager run.
+; CHECK-O: Running analysis: PassInstrumentationAnalysis
+; CHECK-O-NEXT: 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
@@ -78,6 +79,7 @@
 ; CHECK-O-NEXT: Running analysis: TargetLibraryAnalysis
 ; CHECK-O-NEXT: Running pass: ModuleToFunctionPassAdaptor<{{.*}}PassManager{{.*}}>
 ; CHECK-O-NEXT: Running analysis: InnerAnalysisManagerProxy
+; CHECK-O-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-O-NEXT: Starting llvm::Function pass manager run.
 ; CHECK-O-NEXT: Running pass: SimplifyCFGPass
 ; CHECK-O-NEXT: Running analysis: TargetIRAnalysis
@@ -110,6 +112,7 @@
 ; CHECK-O-NEXT: Running pass: ModuleToPostOrderCGSCCPassAdaptor<{{.*}}LazyCallGraph{{.*}}>
 ; CHECK-O-NEXT: Running analysis: InnerAnalysisManagerProxy
 ; CHECK-O-NEXT: Running analysis: LazyCallGraphAnalysis
+; CHECK-O-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-O-NEXT: Starting CGSCC pass manager run.
 ; CHECK-O-NEXT: Running pass: InlinerPass
 ; CHECK-O-NEXT: Running analysis: OuterAnalysisManagerProxy<{{.*}}LazyCallGraph{{.*}}>
@@ -149,6 +152,7 @@
 ; CHECK-O-NEXT: Running analysis: ScalarEvolutionAnalysis
 ; CHECK-O-NEXT: Running analysis: InnerAnalysisManagerProxy
 ; CHECK-O-NEXT: Starting Loop pass manager run.
+; CHECK-O-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-O-NEXT: Running pass: LoopInstSimplifyPass
 ; CHECK-O-NEXT: Running pass: LoopSimplifyCFGPass
 ; CHECK-O-NEXT: Running pass: LoopRotatePass

diff --git a/llvm/test/Other/new-pm-lto-defaults.ll b/llvm/test/Other/new-pm-lto-defaults.ll
@@ -23,7 +23,8 @@
 ; RUN:     | FileCheck %s --check-prefix=CHECK-O --check-prefix=CHECK-O2 \
 ; RUN:     --check-prefix=CHECK-O3 --check-prefix=CHECK-EP-Peephole
 
-; CHECK-O: Starting llvm::Module pass manager run.
+; CHECK-O: Running analysis: PassInstrumentationAnalysis
+; CHECK-O-NEXT: 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: GlobalDCEPass
@@ -32,6 +33,7 @@
 ; CHECK-O-NEXT: Running analysis: TargetLibraryAnalysis
 ; CHECK-O2-NEXT: Running pass: ModuleToFunctionPassAdaptor<{{.*}}PassManager{{.*}}>
 ; CHECK-O2-NEXT: Running analysis: InnerAnalysisManagerProxy<{{.*}}Module
+; CHECK-O2-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-O2-NEXT: Starting llvm::Function pass manager run.
 ; CHECK-O2-NEXT: Running pass: CallSiteSplittingPass on foo
 ; CHECK-O2-NEXT: Running analysis: TargetLibraryAnalysis on foo

diff --git a/llvm/test/Other/new-pm-thinlto-defaults.ll b/llvm/test/Other/new-pm-thinlto-defaults.ll
@@ -47,7 +47,8 @@
 ; RUN:     -passes='thinlto<O2>' -S  %s 2>&1 \
 ; RUN:     | FileCheck %s --check-prefixes=CHECK-O,CHECK-O2,CHECK-POSTLINK-O,CHECK-POSTLINK-O2
 ;
-; CHECK-O: Starting llvm::Module pass manager run.
+; CHECK-O: Running analysis: PassInstrumentationAnalysis
+; CHECK-O-NEXT: 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
@@ -64,6 +65,7 @@
 ; CHECK-O-NEXT: Running analysis: TargetLibraryAnalysis
 ; CHECK-O-NEXT: Running pass: ModuleToFunctionPassAdaptor<{{.*}}PassManager{{.*}}>
 ; CHECK-PRELINK-O-NODIS-NEXT: Running analysis: InnerAnalysisManagerProxy
+; CHECK-O-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-O-NEXT: Starting llvm::Function pass manager run.
 ; CHECK-O-NEXT: Running pass: SimplifyCFGPass
 ; CHECK-O-NEXT: Running analysis: TargetIRAnalysis
@@ -95,6 +97,7 @@
 ; CHECK-O-NEXT: Running pass: ModuleToPostOrderCGSCCPassAdaptor<{{.*}}LazyCallGraph{{.*}}>
 ; CHECK-O-NEXT: Running analysis: InnerAnalysisManagerProxy
 ; CHECK-O-NEXT: Running analysis: LazyCallGraphAnalysis
+; CHECK-O-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-O-NEXT: Starting CGSCC pass manager run.
 ; CHECK-O-NEXT: Running pass: InlinerPass
 ; CHECK-O-NEXT: Running analysis: OuterAnalysisManagerProxy<{{.*}}LazyCallGraph{{.*}}>
@@ -133,6 +136,7 @@
 ; CHECK-O-NEXT: Running analysis: ScalarEvolutionAnalysis
 ; CHECK-O-NEXT: Running analysis: InnerAnalysisManagerProxy
 ; CHECK-O-NEXT: Starting Loop pass manager run.
+; CHECK-O-NEXT: Running analysis: PassInstrumentationAnalysis
 ; CHECK-O-NEXT: Running pass: LoopInstSimplifyPass
 ; CHECK-O-NEXT: Running pass: LoopSimplifyCFGPass
 ; CHECK-O-NEXT: Running pass: LoopRotatePass

diff --git a/llvm/test/Transforms/Inline/cgscc-incremental-invalidate.ll b/llvm/test/Transforms/Inline/cgscc-incremental-invalidate.ll
@@ -33,7 +33,8 @@
 ; CHECK-NEXT: Running pass: DominatorTreeVerifierPass on test1_g
 ; CHECK-NEXT: Running analysis: DominatorTreeAnalysis on test1_g
 ; CHECK-NEXT: Finished llvm::Function pass manager run.
-; CHECK-NEXT: Starting llvm::Function pass manager run.
+; CHECK-NOT: Invalidating analysis:
+; CHECK: Starting llvm::Function pass manager run.
 ; CHECK-NEXT: Running pass: DominatorTreeVerifierPass on test1_h
 ; CHECK-NEXT: Running analysis: DominatorTreeAnalysis on test1_h
 ; CHECK-NEXT: Finished llvm::Function pass manager run.

diff --git a/llvm/test/Transforms/LoopRotate/pr35210.ll b/llvm/test/Transforms/LoopRotate/pr35210.ll
@@ -21,6 +21,7 @@
 ; CHECK-NEXT: Running analysis: TargetIRAnalysis on f
 ; CHECK-NEXT: Running analysis: InnerAnalysisManagerProxy{{.*}} on f
 ; CHECK-NEXT: Starting Loop pass manager run.
+; CHECK-NEXT: Running analysis: PassInstrumentationAnalysis on bb
 ; CHECK-NEXT: Running pass: LoopRotatePass on Loop at depth 1 containing: %bb<header><exiting>,%bb4<latch>
 ; CHECK-NEXT: Folding loop latch bb4 into bb
 ; CHECK-NEXT: Invalidating all non-preserved analyses for: bb

diff --git a/llvm/unittests/Analysis/CGSCCPassManagerTest.cpp b/llvm/unittests/Analysis/CGSCCPassManagerTest.cpp
@@ -231,6 +231,13 @@ class CGSCCPassManagerTest : public ::testing::Test {
     MAM.registerPass([&] { return TargetLibraryAnalysis(); });
     MAM.registerPass([&] { return LazyCallGraphAnalysis(); });
     MAM.registerPass([&] { return FunctionAnalysisManagerModuleProxy(FAM); });
+
+    // Register required pass instrumentation analysis.
+    MAM.registerPass([&] { return PassInstrumentationAnalysis(); });
+    CGAM.registerPass([&] { return PassInstrumentationAnalysis(); });
+    FAM.registerPass([&] { return PassInstrumentationAnalysis(); });
+
+    // Cross-register proxies.
     MAM.registerPass([&] { return CGSCCAnalysisManagerModuleProxy(CGAM); });
     CGAM.registerPass([&] { return FunctionAnalysisManagerCGSCCProxy(); });
     CGAM.registerPass([&] { return ModuleAnalysisManagerCGSCCProxy(MAM); });

diff --git a/llvm/unittests/IR/PassBuilderCallbacksTest.cpp b/llvm/unittests/IR/PassBuilderCallbacksTest.cpp
diff --git a/llvm/unittests/IR/PassManagerTest.cpp b/llvm/unittests/IR/PassManagerTest.cpp
@@ -406,6 +406,9 @@ TEST_F(PassManagerTest, Basic) {
   MAM.registerPass([&] { return FunctionAnalysisManagerModuleProxy(FAM); });
   FAM.registerPass([&] { return ModuleAnalysisManagerFunctionProxy(MAM); });
 
+  MAM.registerPass([&] { return PassInstrumentationAnalysis(); });
+  FAM.registerPass([&] { return PassInstrumentationAnalysis(); });
+
   ModulePassManager MPM;
 
   // Count the runs over a Function.
@@ -556,6 +559,8 @@ struct CustomizedPass : PassInfoMixin<CustomizedPass> {
 TEST_F(PassManagerTest, CustomizedPassManagerArgs) {
   CustomizedAnalysisManager AM;
   AM.registerPass([&] { return CustomizedAnalysis(); });
+  PassInstrumentationCallbacks PIC;
+  AM.registerPass([&] { return PassInstrumentationAnalysis(&PIC); });
 
   CustomizedPassManager PM;
 
@@ -688,6 +693,10 @@ TEST_F(PassManagerTest, IndirectAnalysisInvalidation) {
   MAM.registerPass([&] { return FunctionAnalysisManagerModuleProxy(FAM); });
   FAM.registerPass([&] { return ModuleAnalysisManagerFunctionProxy(MAM); });
 
+  PassInstrumentationCallbacks PIC;
+  MAM.registerPass([&] { return PassInstrumentationAnalysis(&PIC); });
+  FAM.registerPass([&] { return PassInstrumentationAnalysis(&PIC); });
+
   int InstrCount = 0, FunctionCount = 0;
   ModulePassManager MPM(/*DebugLogging*/ true);
   FunctionPassManager FPM(/*DebugLogging*/ true);

diff --git a/llvm/unittests/Transforms/Scalar/LoopPassManagerTest.cpp b/llvm/unittests/Transforms/Scalar/LoopPassManagerTest.cpp
@@ -308,6 +308,11 @@ class LoopPassManagerTest : public ::testing::Test {
     FAM.registerPass([&] { return TargetLibraryAnalysis(); });
     FAM.registerPass([&] { return TargetIRAnalysis(); });
 
+    // Register required pass instrumentation analysis.
+    LAM.registerPass([&] { return PassInstrumentationAnalysis(); });
+    FAM.registerPass([&] { return PassInstrumentationAnalysis(); });
+    MAM.registerPass([&] { return PassInstrumentationAnalysis(); });
+
     // Cross-register proxies.
     LAM.registerPass([&] { return FunctionAnalysisManagerLoopProxy(FAM); });
     FAM.registerPass([&] { return LoopAnalysisManagerFunctionProxy(LAM); });