diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp
index 918411b818be..e693d6d05464 100644
--- a/clang/lib/CodeGen/BackendUtil.cpp
+++ b/clang/lib/CodeGen/BackendUtil.cpp
@@ -1203,7 +1203,7 @@ void EmitAssemblyHelper::EmitAssemblyWithNewPassManager(
   PassInstrumentationCallbacks PIC;
   StandardInstrumentations SI(CodeGenOpts.DebugPassManager);
   SI.registerCallbacks(PIC);
-  PassBuilder PB(TM.get(), PTO, PGOOpt, &PIC);
+  PassBuilder PB(CodeGenOpts.DebugPassManager, TM.get(), PTO, PGOOpt, &PIC);
 
   // Attempt to load pass plugins and register their callbacks with PB.
   for (auto &PluginFN : CodeGenOpts.PassPlugins) {
@@ -1241,9 +1241,6 @@ void EmitAssemblyHelper::EmitAssemblyWithNewPassManager(
   PB.registerLoopAnalyses(LAM);
   PB.crossRegisterProxies(LAM, FAM, CGAM, MAM);
 
-  if (TM)
-    TM->registerPassBuilderCallbacks(PB, CodeGenOpts.DebugPassManager);
-
   ModulePassManager MPM(CodeGenOpts.DebugPassManager);
 
   if (!CodeGenOpts.DisableLLVMPasses) {
@@ -1280,7 +1277,7 @@ void EmitAssemblyHelper::EmitAssemblyWithNewPassManager(
       if (PGOOpt && (PGOOpt->Action == PGOOptions::IRInstr ||
                      PGOOpt->Action == PGOOptions::IRUse))
         PB.addPGOInstrPassesForO0(
-            MPM, CodeGenOpts.DebugPassManager,
+            MPM,
             /* RunProfileGen */ (PGOOpt->Action == PGOOptions::IRInstr),
             /* IsCS */ false, PGOOpt->ProfileFile,
             PGOOpt->ProfileRemappingFile);
@@ -1407,18 +1404,15 @@ void EmitAssemblyHelper::EmitAssemblyWithNewPassManager(
         });
 
       if (IsThinLTO) {
-        MPM = PB.buildThinLTOPreLinkDefaultPipeline(
-            Level, CodeGenOpts.DebugPassManager);
+        MPM = PB.buildThinLTOPreLinkDefaultPipeline(Level);
         MPM.addPass(CanonicalizeAliasesPass());
         MPM.addPass(NameAnonGlobalPass());
       } else if (IsLTO) {
-        MPM = PB.buildLTOPreLinkDefaultPipeline(Level,
-                                                CodeGenOpts.DebugPassManager);
+        MPM = PB.buildLTOPreLinkDefaultPipeline(Level);
         MPM.addPass(CanonicalizeAliasesPass());
         MPM.addPass(NameAnonGlobalPass());
       } else {
-        MPM = PB.buildPerModuleDefaultPipeline(Level,
-                                               CodeGenOpts.DebugPassManager);
+        MPM = PB.buildPerModuleDefaultPipeline(Level);
       }
     }
 
diff --git a/llvm/include/llvm/Passes/PassBuilder.h b/llvm/include/llvm/Passes/PassBuilder.h
index aef9d9b6bb4c..356b70d368bb 100644
--- a/llvm/include/llvm/Passes/PassBuilder.h
+++ b/llvm/include/llvm/Passes/PassBuilder.h
@@ -118,6 +118,7 @@ public:
 /// of the built-in passes, and those may reference these members during
 /// construction.
 class PassBuilder {
+  bool DebugLogging;
   TargetMachine *TM;
   PipelineTuningOptions PTO;
   Optional<PGOOptions> PGOOpt;
@@ -259,11 +260,10 @@ public:
     unsigned getSizeLevel() const { return SizeLevel; }
   };
 
-  explicit PassBuilder(TargetMachine *TM = nullptr,
+  explicit PassBuilder(bool DebugLogging = false, TargetMachine *TM = nullptr,
                        PipelineTuningOptions PTO = PipelineTuningOptions(),
                        Optional<PGOOptions> PGOOpt = None,
-                       PassInstrumentationCallbacks *PIC = nullptr)
-      : TM(TM), PTO(PTO), PGOOpt(PGOOpt), PIC(PIC) {}
+                       PassInstrumentationCallbacks *PIC = nullptr);
 
   /// Cross register the analysis managers through their proxies.
   ///
@@ -321,8 +321,7 @@ public:
   /// \p Phase indicates the current ThinLTO phase.
   FunctionPassManager
   buildFunctionSimplificationPipeline(OptimizationLevel Level,
-                                      ThinLTOPhase Phase,
-                                      bool DebugLogging = false);
+                                      ThinLTOPhase Phase);
 
   /// Construct the core LLVM module canonicalization and simplification
   /// pipeline.
@@ -339,16 +338,13 @@ public:
   /// build them.
   ///
   /// \p Phase indicates the current ThinLTO phase.
-  ModulePassManager
-  buildModuleSimplificationPipeline(OptimizationLevel Level,
-                                    ThinLTOPhase Phase,
-                                    bool DebugLogging = false);
+  ModulePassManager buildModuleSimplificationPipeline(OptimizationLevel Level,
+                                                      ThinLTOPhase Phase);
 
   /// Construct the module pipeline that performs inlining as well as
   /// the inlining-driven cleanups.
   ModuleInlinerWrapperPass buildInlinerPipeline(OptimizationLevel Level,
-                                                ThinLTOPhase Phase,
-                                                bool DebugLogging = false);
+                                                ThinLTOPhase Phase);
 
   /// Construct the core LLVM module optimization pipeline.
   ///
@@ -364,7 +360,6 @@ public:
   /// require some transformations for semantic reasons, they should explicitly
   /// build them.
   ModulePassManager buildModuleOptimizationPipeline(OptimizationLevel Level,
-                                                    bool DebugLogging = false,
                                                     bool LTOPreLink = false);
 
   /// Build a per-module default optimization pipeline.
@@ -379,7 +374,6 @@ public:
   /// require some transformations for semantic reasons, they should explicitly
   /// build them.
   ModulePassManager buildPerModuleDefaultPipeline(OptimizationLevel Level,
-                                                  bool DebugLogging = false,
                                                   bool LTOPreLink = false);
 
   /// Build a pre-link, ThinLTO-targeting default optimization pipeline to
@@ -394,9 +388,7 @@ public:
   /// only intended for use when attempting to optimize code. If frontends
   /// require some transformations for semantic reasons, they should explicitly
   /// build them.
-  ModulePassManager
-  buildThinLTOPreLinkDefaultPipeline(OptimizationLevel Level,
-                                     bool DebugLogging = false);
+  ModulePassManager buildThinLTOPreLinkDefaultPipeline(OptimizationLevel Level);
 
   /// Build an ThinLTO default optimization pipeline to a pass manager.
   ///
@@ -410,7 +402,7 @@ public:
   /// require some transformations for semantic reasons, they should explicitly
   /// build them.
   ModulePassManager
-  buildThinLTODefaultPipeline(OptimizationLevel Level, bool DebugLogging,
+  buildThinLTODefaultPipeline(OptimizationLevel Level,
                               const ModuleSummaryIndex *ImportSummary);
 
   /// Build a pre-link, LTO-targeting default optimization pipeline to a pass
@@ -425,8 +417,7 @@ public:
   /// only intended for use when attempting to optimize code. If frontends
   /// require some transformations for semantic reasons, they should explicitly
   /// build them.
-  ModulePassManager buildLTOPreLinkDefaultPipeline(OptimizationLevel Level,
-                                                   bool DebugLogging = false);
+  ModulePassManager buildLTOPreLinkDefaultPipeline(OptimizationLevel Level);
 
   /// Build an LTO default optimization pipeline to a pass manager.
   ///
@@ -440,7 +431,6 @@ public:
   /// require some transformations for semantic reasons, they should explicitly
   /// build them.
   ModulePassManager buildLTODefaultPipeline(OptimizationLevel Level,
-                                            bool DebugLogging,
                                             ModuleSummaryIndex *ExportSummary);
 
   /// Build the default `AAManager` with the default alias analysis pipeline
@@ -487,8 +477,7 @@ public:
   /// specifically want the pass to run under a adaptor directly. This is
   /// preferred when a pipeline is largely of one type, but one or just a few
   /// passes are of different types(See PassBuilder.cpp for examples).
-  Error parsePassPipeline(ModulePassManager &MPM, StringRef PipelineText,
-                          bool DebugLogging = false);
+  Error parsePassPipeline(ModulePassManager &MPM, StringRef PipelineText);
 
   /// {{@ Parse a textual pass pipeline description into a specific PassManager
   ///
@@ -497,12 +486,9 @@ public:
   /// this is the valid pipeline text:
   ///
   ///   function(lpass)
-  Error parsePassPipeline(CGSCCPassManager &CGPM, StringRef PipelineText,
-                          bool DebugLogging = false);
-  Error parsePassPipeline(FunctionPassManager &FPM, StringRef PipelineText,
-                          bool DebugLogging = false);
-  Error parsePassPipeline(LoopPassManager &LPM, StringRef PipelineText,
-                          bool DebugLogging = false);
+  Error parsePassPipeline(CGSCCPassManager &CGPM, StringRef PipelineText);
+  Error parsePassPipeline(FunctionPassManager &FPM, StringRef PipelineText);
+  Error parsePassPipeline(LoopPassManager &LPM, StringRef PipelineText);
   /// @}}
 
   /// Parse a textual alias analysis pipeline into the provided AA manager.
@@ -681,12 +667,10 @@ public:
                                bool DebugLogging)> &C);
 
   /// Add PGOInstrumenation passes for O0 only.
-  void addPGOInstrPassesForO0(ModulePassManager &MPM, bool DebugLogging,
-                              bool RunProfileGen, bool IsCS,
-                              std::string ProfileFile,
+  void addPGOInstrPassesForO0(ModulePassManager &MPM, bool RunProfileGen,
+                              bool IsCS, std::string ProfileFile,
                               std::string ProfileRemappingFile);
 
-
   /// Returns PIC. External libraries can use this to register pass
   /// instrumentation callbacks.
   PassInstrumentationCallbacks *getPassInstrumentationCallbacks() const {
@@ -695,38 +679,30 @@ public:
 
 private:
   // O1 pass pipeline
-  FunctionPassManager buildO1FunctionSimplificationPipeline(
-      OptimizationLevel Level, ThinLTOPhase Phase, bool DebugLogging = false);
+  FunctionPassManager
+  buildO1FunctionSimplificationPipeline(OptimizationLevel Level,
+                                        ThinLTOPhase Phase);
 
   static Optional<std::vector<PipelineElement>>
   parsePipelineText(StringRef Text);
 
-  Error parseModulePass(ModulePassManager &MPM, const PipelineElement &E,
-                        bool DebugLogging);
-  Error parseCGSCCPass(CGSCCPassManager &CGPM, const PipelineElement &E,
-                       bool DebugLogging);
-  Error parseFunctionPass(FunctionPassManager &FPM, const PipelineElement &E,
-                          bool DebugLogging);
-  Error parseLoopPass(LoopPassManager &LPM, const PipelineElement &E,
-                      bool DebugLogging);
+  Error parseModulePass(ModulePassManager &MPM, const PipelineElement &E);
+  Error parseCGSCCPass(CGSCCPassManager &CGPM, const PipelineElement &E);
+  Error parseFunctionPass(FunctionPassManager &FPM, const PipelineElement &E);
+  Error parseLoopPass(LoopPassManager &LPM, const PipelineElement &E);
   bool parseAAPassName(AAManager &AA, StringRef Name);
 
   Error parseLoopPassPipeline(LoopPassManager &LPM,
-                              ArrayRef<PipelineElement> Pipeline,
-                              bool DebugLogging);
+                              ArrayRef<PipelineElement> Pipeline);
   Error parseFunctionPassPipeline(FunctionPassManager &FPM,
-                                  ArrayRef<PipelineElement> Pipeline,
-                                  bool DebugLogging);
+                                  ArrayRef<PipelineElement> Pipeline);
   Error parseCGSCCPassPipeline(CGSCCPassManager &CGPM,
-                               ArrayRef<PipelineElement> Pipeline,
-                               bool DebugLogging);
+                               ArrayRef<PipelineElement> Pipeline);
   Error parseModulePassPipeline(ModulePassManager &MPM,
-                                ArrayRef<PipelineElement> Pipeline,
-                                bool DebugLogging);
+                                ArrayRef<PipelineElement> Pipeline);
 
-  void addPGOInstrPasses(ModulePassManager &MPM, bool DebugLogging,
-                         OptimizationLevel Level, bool RunProfileGen, bool IsCS,
-                         std::string ProfileFile,
+  void addPGOInstrPasses(ModulePassManager &MPM, OptimizationLevel Level,
+                         bool RunProfileGen, bool IsCS, std::string ProfileFile,
                          std::string ProfileRemappingFile);
   void invokePeepholeEPCallbacks(FunctionPassManager &, OptimizationLevel);
 
diff --git a/llvm/lib/LTO/LTOBackend.cpp b/llvm/lib/LTO/LTOBackend.cpp
index 7f437a2af5f1..635584a29e6e 100644
--- a/llvm/lib/LTO/LTOBackend.cpp
+++ b/llvm/lib/LTO/LTOBackend.cpp
@@ -223,7 +223,7 @@ static void runNewPMPasses(const Config &Conf, Module &Mod, TargetMachine *TM,
   PassInstrumentationCallbacks PIC;
   StandardInstrumentations SI(Conf.DebugPassManager);
   SI.registerCallbacks(PIC);
-  PassBuilder PB(TM, Conf.PTO, PGOOpt, &PIC);
+  PassBuilder PB(Conf.DebugPassManager, TM, Conf.PTO, PGOOpt, &PIC);
   AAManager AA;
 
   // Parse a custom AA pipeline if asked to.
@@ -270,10 +270,9 @@ static void runNewPMPasses(const Config &Conf, Module &Mod, TargetMachine *TM,
   }
 
   if (IsThinLTO)
-    MPM = PB.buildThinLTODefaultPipeline(OL, Conf.DebugPassManager,
-                                         ImportSummary);
+    MPM = PB.buildThinLTODefaultPipeline(OL, ImportSummary);
   else
-    MPM = PB.buildLTODefaultPipeline(OL, Conf.DebugPassManager, ExportSummary);
+    MPM = PB.buildLTODefaultPipeline(OL, ExportSummary);
   MPM.run(Mod, MAM);
 
   // FIXME (davide): verify the output.
@@ -283,7 +282,7 @@ static void runNewPMCustomPasses(const Config &Conf, Module &Mod,
                                  TargetMachine *TM, std::string PipelineDesc,
                                  std::string AAPipelineDesc,
                                  bool DisableVerify) {
-  PassBuilder PB(TM);
+  PassBuilder PB(Conf.DebugPassManager, TM);
   AAManager AA;
 
   // Parse a custom AA pipeline if asked to.
@@ -722,4 +721,4 @@ bool lto::loadReferencedModules(
     OwnedImportsLifetimeManager.push_back(std::move(*MBOrErr));
   }
   return true;
-}
\ No newline at end of file
+}
diff --git a/llvm/lib/Passes/PassBuilder.cpp b/llvm/lib/Passes/PassBuilder.cpp
index 15a6b5ed717b..719ad83d04f7 100644
--- a/llvm/lib/Passes/PassBuilder.cpp
+++ b/llvm/lib/Passes/PassBuilder.cpp
@@ -431,6 +431,14 @@ AnalysisKey NoOpLoopAnalysis::Key;
 
 } // namespace
 
+PassBuilder::PassBuilder(bool DebugLogging, TargetMachine *TM,
+                         PipelineTuningOptions PTO, Optional<PGOOptions> PGOOpt,
+                         PassInstrumentationCallbacks *PIC)
+    : DebugLogging(DebugLogging), TM(TM), PTO(PTO), PGOOpt(PGOOpt), PIC(PIC) {
+  if (TM)
+    TM->registerPassBuilderCallbacks(*this, DebugLogging);
+}
+
 void PassBuilder::invokePeepholeEPCallbacks(
     FunctionPassManager &FPM, PassBuilder::OptimizationLevel Level) {
   for (auto &C : PeepholeEPCallbacks)
@@ -474,8 +482,9 @@ void PassBuilder::registerLoopAnalyses(LoopAnalysisManager &LAM) {
 }
 
 // TODO: Investigate the cost/benefit of tail call elimination on debugging.
-FunctionPassManager PassBuilder::buildO1FunctionSimplificationPipeline(
-    OptimizationLevel Level, ThinLTOPhase Phase, bool DebugLogging) {
+FunctionPassManager
+PassBuilder::buildO1FunctionSimplificationPipeline(OptimizationLevel Level,
+                                                   ThinLTOPhase Phase) {
 
   FunctionPassManager FPM(DebugLogging);
 
@@ -600,14 +609,13 @@ FunctionPassManager PassBuilder::buildO1FunctionSimplificationPipeline(
 
 FunctionPassManager
 PassBuilder::buildFunctionSimplificationPipeline(OptimizationLevel Level,
-                                                 ThinLTOPhase Phase,
-                                                 bool DebugLogging) {
+                                                 ThinLTOPhase Phase) {
   assert(Level != OptimizationLevel::O0 && "Must request optimizations!");
 
   // The O1 pipeline has a separate pipeline creation function to simplify
   // construction readability.
   if (Level.getSpeedupLevel() == 1)
-    return buildO1FunctionSimplificationPipeline(Level, Phase, DebugLogging);
+    return buildO1FunctionSimplificationPipeline(Level, Phase);
 
   FunctionPassManager FPM(DebugLogging);
 
@@ -784,7 +792,7 @@ PassBuilder::buildFunctionSimplificationPipeline(OptimizationLevel Level,
   return FPM;
 }
 
-void PassBuilder::addPGOInstrPasses(ModulePassManager &MPM, bool DebugLogging,
+void PassBuilder::addPGOInstrPasses(ModulePassManager &MPM,
                                     PassBuilder::OptimizationLevel Level,
                                     bool RunProfileGen, bool IsCS,
                                     std::string ProfileFile,
@@ -854,8 +862,8 @@ void PassBuilder::addPGOInstrPasses(ModulePassManager &MPM, bool DebugLogging,
 }
 
 void PassBuilder::addPGOInstrPassesForO0(ModulePassManager &MPM,
-                                         bool DebugLogging, bool RunProfileGen,
-                                         bool IsCS, std::string ProfileFile,
+                                         bool RunProfileGen, bool IsCS,
+                                         std::string ProfileFile,
                                          std::string ProfileRemappingFile) {
   if (!RunProfileGen) {
     assert(!ProfileFile.empty() && "Profile use expecting a profile file!");
@@ -884,8 +892,7 @@ getInlineParamsFromOptLevel(PassBuilder::OptimizationLevel Level) {
 }
 
 ModuleInlinerWrapperPass
-PassBuilder::buildInlinerPipeline(OptimizationLevel Level, ThinLTOPhase Phase,
-                                  bool DebugLogging) {
+PassBuilder::buildInlinerPipeline(OptimizationLevel Level, ThinLTOPhase Phase) {
   InlineParams IP = getInlineParamsFromOptLevel(Level);
   if (Phase == PassBuilder::ThinLTOPhase::PreLink && PGOOpt &&
       PGOOpt->Action == PGOOptions::SampleUse)
@@ -938,7 +945,7 @@ PassBuilder::buildInlinerPipeline(OptimizationLevel Level, ThinLTOPhase Phase,
   // Lastly, add the core function simplification pipeline nested inside the
   // CGSCC walk.
   MainCGPipeline.addPass(createCGSCCToFunctionPassAdaptor(
-      buildFunctionSimplificationPipeline(Level, Phase, DebugLogging)));
+      buildFunctionSimplificationPipeline(Level, Phase)));
 
   for (auto &C : CGSCCOptimizerLateEPCallbacks)
     C(MainCGPipeline, Level);
@@ -946,8 +953,9 @@ PassBuilder::buildInlinerPipeline(OptimizationLevel Level, ThinLTOPhase Phase,
   return MIWP;
 }
 
-ModulePassManager PassBuilder::buildModuleSimplificationPipeline(
-    OptimizationLevel Level, ThinLTOPhase Phase, bool DebugLogging) {
+ModulePassManager
+PassBuilder::buildModuleSimplificationPipeline(OptimizationLevel Level,
+                                               ThinLTOPhase Phase) {
   ModulePassManager MPM(DebugLogging);
 
   bool HasSampleProfile = PGOOpt && (PGOOpt->Action == PGOOptions::SampleUse);
@@ -1068,7 +1076,7 @@ ModulePassManager PassBuilder::buildModuleSimplificationPipeline(
   if (PGOOpt && Phase != ThinLTOPhase::PostLink &&
       (PGOOpt->Action == PGOOptions::IRInstr ||
        PGOOpt->Action == PGOOptions::IRUse)) {
-    addPGOInstrPasses(MPM, DebugLogging, Level,
+    addPGOInstrPasses(MPM, Level,
                       /* RunProfileGen */ PGOOpt->Action == PGOOptions::IRInstr,
                       /* IsCS */ false, PGOOpt->ProfileFile,
                       PGOOpt->ProfileRemappingFile);
@@ -1082,7 +1090,7 @@ ModulePassManager PassBuilder::buildModuleSimplificationPipeline(
   if (EnableSyntheticCounts && !PGOOpt)
     MPM.addPass(SyntheticCountsPropagation());
 
-  MPM.addPass(buildInlinerPipeline(Level, Phase, DebugLogging));
+  MPM.addPass(buildInlinerPipeline(Level, Phase));
 
   if (EnableMemProfiler && Phase != ThinLTOPhase::PreLink) {
     MPM.addPass(createModuleToFunctionPassAdaptor(MemProfilerPass()));
@@ -1092,8 +1100,9 @@ ModulePassManager PassBuilder::buildModuleSimplificationPipeline(
   return MPM;
 }
 
-ModulePassManager PassBuilder::buildModuleOptimizationPipeline(
-    OptimizationLevel Level, bool DebugLogging, bool LTOPreLink) {
+ModulePassManager
+PassBuilder::buildModuleOptimizationPipeline(OptimizationLevel Level,
+                                             bool LTOPreLink) {
   ModulePassManager MPM(DebugLogging);
 
   // Optimize globals now that the module is fully simplified.
@@ -1131,11 +1140,11 @@ ModulePassManager PassBuilder::buildModuleOptimizationPipeline(
   // instrumentation is after all the inlines are done.
   if (!LTOPreLink && PGOOpt) {
     if (PGOOpt->CSAction == PGOOptions::CSIRInstr)
-      addPGOInstrPasses(MPM, DebugLogging, Level, /* RunProfileGen */ true,
+      addPGOInstrPasses(MPM, Level, /* RunProfileGen */ true,
                         /* IsCS */ true, PGOOpt->CSProfileGenFile,
                         PGOOpt->ProfileRemappingFile);
     else if (PGOOpt->CSAction == PGOOptions::CSIRUse)
-      addPGOInstrPasses(MPM, DebugLogging, Level, /* RunProfileGen */ false,
+      addPGOInstrPasses(MPM, Level, /* RunProfileGen */ false,
                         /* IsCS */ true, PGOOpt->ProfileFile,
                         PGOOpt->ProfileRemappingFile);
   }
@@ -1298,7 +1307,7 @@ ModulePassManager PassBuilder::buildModuleOptimizationPipeline(
 
 ModulePassManager
 PassBuilder::buildPerModuleDefaultPipeline(OptimizationLevel Level,
-                                           bool DebugLogging, bool LTOPreLink) {
+                                           bool LTOPreLink) {
   assert(Level != OptimizationLevel::O0 &&
          "Must request optimizations for the default pipeline!");
 
@@ -1315,18 +1324,16 @@ PassBuilder::buildPerModuleDefaultPipeline(OptimizationLevel Level,
     MPM.addPass(createModuleToFunctionPassAdaptor(AddDiscriminatorsPass()));
 
   // Add the core simplification pipeline.
-  MPM.addPass(buildModuleSimplificationPipeline(Level, ThinLTOPhase::None,
-                                                DebugLogging));
+  MPM.addPass(buildModuleSimplificationPipeline(Level, ThinLTOPhase::None));
 
   // Now add the optimization pipeline.
-  MPM.addPass(buildModuleOptimizationPipeline(Level, DebugLogging, LTOPreLink));
+  MPM.addPass(buildModuleOptimizationPipeline(Level, LTOPreLink));
 
   return MPM;
 }
 
 ModulePassManager
-PassBuilder::buildThinLTOPreLinkDefaultPipeline(OptimizationLevel Level,
-                                                bool DebugLogging) {
+PassBuilder::buildThinLTOPreLinkDefaultPipeline(OptimizationLevel Level) {
   assert(Level != OptimizationLevel::O0 &&
          "Must request optimizations for the default pipeline!");
 
@@ -1345,8 +1352,7 @@ PassBuilder::buildThinLTOPreLinkDefaultPipeline(OptimizationLevel Level,
   // If we are planning to perform ThinLTO later, we don't bloat the code with
   // unrolling/vectorization/... now. Just simplify the module as much as we
   // can.
-  MPM.addPass(buildModuleSimplificationPipeline(Level, ThinLTOPhase::PreLink,
-                                                DebugLogging));
+  MPM.addPass(buildModuleSimplificationPipeline(Level, ThinLTOPhase::PreLink));
 
   // Run partial inlining pass to partially inline functions that have
   // large bodies.
@@ -1371,8 +1377,7 @@ PassBuilder::buildThinLTOPreLinkDefaultPipeline(OptimizationLevel Level,
 }
 
 ModulePassManager PassBuilder::buildThinLTODefaultPipeline(
-    OptimizationLevel Level, bool DebugLogging,
-    const ModuleSummaryIndex *ImportSummary) {
+    OptimizationLevel Level, const ModuleSummaryIndex *ImportSummary) {
   ModulePassManager MPM(DebugLogging);
 
   if (ImportSummary) {
@@ -1402,27 +1407,25 @@ ModulePassManager PassBuilder::buildThinLTODefaultPipeline(
   MPM.addPass(ForceFunctionAttrsPass());
 
   // Add the core simplification pipeline.
-  MPM.addPass(buildModuleSimplificationPipeline(Level, ThinLTOPhase::PostLink,
-                                                DebugLogging));
+  MPM.addPass(buildModuleSimplificationPipeline(Level, ThinLTOPhase::PostLink));
 
   // Now add the optimization pipeline.
-  MPM.addPass(buildModuleOptimizationPipeline(Level, DebugLogging));
+  MPM.addPass(buildModuleOptimizationPipeline(Level));
 
   return MPM;
 }
 
 ModulePassManager
-PassBuilder::buildLTOPreLinkDefaultPipeline(OptimizationLevel Level,
-                                            bool DebugLogging) {
+PassBuilder::buildLTOPreLinkDefaultPipeline(OptimizationLevel Level) {
   assert(Level != OptimizationLevel::O0 &&
          "Must request optimizations for the default pipeline!");
   // FIXME: We should use a customized pre-link pipeline!
-  return buildPerModuleDefaultPipeline(Level, DebugLogging,
+  return buildPerModuleDefaultPipeline(Level,
                                        /* LTOPreLink */ true);
 }
 
 ModulePassManager
-PassBuilder::buildLTODefaultPipeline(OptimizationLevel Level, bool DebugLogging,
+PassBuilder::buildLTODefaultPipeline(OptimizationLevel Level,
                                      ModuleSummaryIndex *ExportSummary) {
   ModulePassManager MPM(DebugLogging);
 
@@ -1558,11 +1561,11 @@ PassBuilder::buildLTODefaultPipeline(OptimizationLevel Level, bool DebugLogging,
   // sensitive PGO pass.
   if (PGOOpt) {
     if (PGOOpt->CSAction == PGOOptions::CSIRInstr)
-      addPGOInstrPasses(MPM, DebugLogging, Level, /* RunProfileGen */ true,
+      addPGOInstrPasses(MPM, Level, /* RunProfileGen */ true,
                         /* IsCS */ true, PGOOpt->CSProfileGenFile,
                         PGOOpt->ProfileRemappingFile);
     else if (PGOOpt->CSAction == PGOOptions::CSIRUse)
-      addPGOInstrPasses(MPM, DebugLogging, Level, /* RunProfileGen */ false,
+      addPGOInstrPasses(MPM, Level, /* RunProfileGen */ false,
                         /* IsCS */ true, PGOOpt->ProfileFile,
                         PGOOpt->ProfileRemappingFile);
   }
@@ -2149,8 +2152,7 @@ PassBuilder::parsePipelineText(StringRef Text) {
 }
 
 Error PassBuilder::parseModulePass(ModulePassManager &MPM,
-                                   const PipelineElement &E,
-                                   bool DebugLogging) {
+                                   const PipelineElement &E) {
   auto &Name = E.Name;
   auto &InnerPipeline = E.InnerPipeline;
 
@@ -2158,31 +2160,28 @@ Error PassBuilder::parseModulePass(ModulePassManager &MPM,
   if (!InnerPipeline.empty()) {
     if (Name == "module") {
       ModulePassManager NestedMPM(DebugLogging);
-      if (auto Err =
-              parseModulePassPipeline(NestedMPM, InnerPipeline, DebugLogging))
+      if (auto Err = parseModulePassPipeline(NestedMPM, InnerPipeline))
         return Err;
       MPM.addPass(std::move(NestedMPM));
       return Error::success();
     }
     if (Name == "cgscc") {
       CGSCCPassManager CGPM(DebugLogging);
-      if (auto Err = parseCGSCCPassPipeline(CGPM, InnerPipeline, DebugLogging))
+      if (auto Err = parseCGSCCPassPipeline(CGPM, InnerPipeline))
         return Err;
       MPM.addPass(createModuleToPostOrderCGSCCPassAdaptor(std::move(CGPM)));
       return Error::success();
     }
     if (Name == "function") {
       FunctionPassManager FPM(DebugLogging);
-      if (auto Err =
-              parseFunctionPassPipeline(FPM, InnerPipeline, DebugLogging))
+      if (auto Err = parseFunctionPassPipeline(FPM, InnerPipeline))
         return Err;
       MPM.addPass(createModuleToFunctionPassAdaptor(std::move(FPM)));
       return Error::success();
     }
     if (auto Count = parseRepeatPassName(Name)) {
       ModulePassManager NestedMPM(DebugLogging);
-      if (auto Err =
-              parseModulePassPipeline(NestedMPM, InnerPipeline, DebugLogging))
+      if (auto Err = parseModulePassPipeline(NestedMPM, InnerPipeline))
         return Err;
       MPM.addPass(createRepeatedPass(*Count, std::move(NestedMPM)));
       return Error::success();
@@ -2222,7 +2221,7 @@ Error PassBuilder::parseModulePass(ModulePassManager &MPM,
           (PGOOpt->Action == PGOOptions::IRInstr ||
            PGOOpt->Action == PGOOptions::IRUse))
         addPGOInstrPassesForO0(
-            MPM, DebugLogging,
+            MPM,
             /* RunProfileGen */ (PGOOpt->Action == PGOOptions::IRInstr),
             /* IsCS */ false, PGOOpt->ProfileFile,
             PGOOpt->ProfileRemappingFile);
@@ -2253,16 +2252,16 @@ Error PassBuilder::parseModulePass(ModulePassManager &MPM,
         L.getSpeedupLevel() > 1 && L != OptimizationLevel::Oz;
 
     if (Matches[1] == "default") {
-      MPM.addPass(buildPerModuleDefaultPipeline(L, DebugLogging));
+      MPM.addPass(buildPerModuleDefaultPipeline(L));
     } else if (Matches[1] == "thinlto-pre-link") {
-      MPM.addPass(buildThinLTOPreLinkDefaultPipeline(L, DebugLogging));
+      MPM.addPass(buildThinLTOPreLinkDefaultPipeline(L));
     } else if (Matches[1] == "thinlto") {
-      MPM.addPass(buildThinLTODefaultPipeline(L, DebugLogging, nullptr));
+      MPM.addPass(buildThinLTODefaultPipeline(L, nullptr));
     } else if (Matches[1] == "lto-pre-link") {
-      MPM.addPass(buildLTOPreLinkDefaultPipeline(L, DebugLogging));
+      MPM.addPass(buildLTOPreLinkDefaultPipeline(L));
     } else {
       assert(Matches[1] == "lto" && "Not one of the matched options!");
-      MPM.addPass(buildLTODefaultPipeline(L, DebugLogging, nullptr));
+      MPM.addPass(buildLTODefaultPipeline(L, nullptr));
     }
     return Error::success();
   }
@@ -2331,7 +2330,7 @@ Error PassBuilder::parseModulePass(ModulePassManager &MPM,
 }
 
 Error PassBuilder::parseCGSCCPass(CGSCCPassManager &CGPM,
-                                  const PipelineElement &E, bool DebugLogging) {
+                                  const PipelineElement &E) {
   auto &Name = E.Name;
   auto &InnerPipeline = E.InnerPipeline;
 
@@ -2339,8 +2338,7 @@ Error PassBuilder::parseCGSCCPass(CGSCCPassManager &CGPM,
   if (!InnerPipeline.empty()) {
     if (Name == "cgscc") {
       CGSCCPassManager NestedCGPM(DebugLogging);
-      if (auto Err =
-              parseCGSCCPassPipeline(NestedCGPM, InnerPipeline, DebugLogging))
+      if (auto Err = parseCGSCCPassPipeline(NestedCGPM, InnerPipeline))
         return Err;
       // Add the nested pass manager with the appropriate adaptor.
       CGPM.addPass(std::move(NestedCGPM));
@@ -2348,8 +2346,7 @@ Error PassBuilder::parseCGSCCPass(CGSCCPassManager &CGPM,
     }
     if (Name == "function") {
       FunctionPassManager FPM(DebugLogging);
-      if (auto Err =
-              parseFunctionPassPipeline(FPM, InnerPipeline, DebugLogging))
+      if (auto Err = parseFunctionPassPipeline(FPM, InnerPipeline))
         return Err;
       // Add the nested pass manager with the appropriate adaptor.
       CGPM.addPass(createCGSCCToFunctionPassAdaptor(std::move(FPM)));
@@ -2357,16 +2354,14 @@ Error PassBuilder::parseCGSCCPass(CGSCCPassManager &CGPM,
     }
     if (auto Count = parseRepeatPassName(Name)) {
       CGSCCPassManager NestedCGPM(DebugLogging);
-      if (auto Err =
-              parseCGSCCPassPipeline(NestedCGPM, InnerPipeline, DebugLogging))
+      if (auto Err = parseCGSCCPassPipeline(NestedCGPM, InnerPipeline))
         return Err;
       CGPM.addPass(createRepeatedPass(*Count, std::move(NestedCGPM)));
       return Error::success();
     }
     if (auto MaxRepetitions = parseDevirtPassName(Name)) {
       CGSCCPassManager NestedCGPM(DebugLogging);
-      if (auto Err =
-              parseCGSCCPassPipeline(NestedCGPM, InnerPipeline, DebugLogging))
+      if (auto Err = parseCGSCCPassPipeline(NestedCGPM, InnerPipeline))
         return Err;
       CGPM.addPass(
           createDevirtSCCRepeatedPass(std::move(NestedCGPM), *MaxRepetitions));
@@ -2443,8 +2438,7 @@ Error PassBuilder::parseCGSCCPass(CGSCCPassManager &CGPM,
 }
 
 Error PassBuilder::parseFunctionPass(FunctionPassManager &FPM,
-                                     const PipelineElement &E,
-                                     bool DebugLogging) {
+                                     const PipelineElement &E) {
   auto &Name = E.Name;
   auto &InnerPipeline = E.InnerPipeline;
 
@@ -2452,8 +2446,7 @@ Error PassBuilder::parseFunctionPass(FunctionPassManager &FPM,
   if (!InnerPipeline.empty()) {
     if (Name == "function") {
       FunctionPassManager NestedFPM(DebugLogging);
-      if (auto Err =
-              parseFunctionPassPipeline(NestedFPM, InnerPipeline, DebugLogging))
+      if (auto Err = parseFunctionPassPipeline(NestedFPM, InnerPipeline))
         return Err;
       // Add the nested pass manager with the appropriate adaptor.
       FPM.addPass(std::move(NestedFPM));
@@ -2461,7 +2454,7 @@ Error PassBuilder::parseFunctionPass(FunctionPassManager &FPM,
     }
     if (Name == "loop" || Name == "loop-mssa") {
       LoopPassManager LPM(DebugLogging);
-      if (auto Err = parseLoopPassPipeline(LPM, InnerPipeline, DebugLogging))
+      if (auto Err = parseLoopPassPipeline(LPM, InnerPipeline))
         return Err;
       // Add the nested pass manager with the appropriate adaptor.
       bool UseMemorySSA = (Name == "loop-mssa");
@@ -2474,8 +2467,7 @@ Error PassBuilder::parseFunctionPass(FunctionPassManager &FPM,
     }
     if (auto Count = parseRepeatPassName(Name)) {
       FunctionPassManager NestedFPM(DebugLogging);
-      if (auto Err =
-              parseFunctionPassPipeline(NestedFPM, InnerPipeline, DebugLogging))
+      if (auto Err = parseFunctionPassPipeline(NestedFPM, InnerPipeline))
         return Err;
       FPM.addPass(createRepeatedPass(*Count, std::move(NestedFPM)));
       return Error::success();
@@ -2546,8 +2538,8 @@ Error PassBuilder::parseFunctionPass(FunctionPassManager &FPM,
       inconvertibleErrorCode());
 }
 
-Error PassBuilder::parseLoopPass(LoopPassManager &LPM, const PipelineElement &E,
-                                 bool DebugLogging) {
+Error PassBuilder::parseLoopPass(LoopPassManager &LPM,
+                                 const PipelineElement &E) {
   StringRef Name = E.Name;
   auto &InnerPipeline = E.InnerPipeline;
 
@@ -2555,8 +2547,7 @@ Error PassBuilder::parseLoopPass(LoopPassManager &LPM, const PipelineElement &E,
   if (!InnerPipeline.empty()) {
     if (Name == "loop") {
       LoopPassManager NestedLPM(DebugLogging);
-      if (auto Err =
-              parseLoopPassPipeline(NestedLPM, InnerPipeline, DebugLogging))
+      if (auto Err = parseLoopPassPipeline(NestedLPM, InnerPipeline))
         return Err;
       // Add the nested pass manager with the appropriate adaptor.
       LPM.addPass(std::move(NestedLPM));
@@ -2564,8 +2555,7 @@ Error PassBuilder::parseLoopPass(LoopPassManager &LPM, const PipelineElement &E,
     }
     if (auto Count = parseRepeatPassName(Name)) {
       LoopPassManager NestedLPM(DebugLogging);
-      if (auto Err =
-              parseLoopPassPipeline(NestedLPM, InnerPipeline, DebugLogging))
+      if (auto Err = parseLoopPassPipeline(NestedLPM, InnerPipeline))
         return Err;
       LPM.addPass(createRepeatedPass(*Count, std::move(NestedLPM)));
       return Error::success();
@@ -2639,30 +2629,27 @@ bool PassBuilder::parseAAPassName(AAManager &AA, StringRef Name) {
 }
 
 Error PassBuilder::parseLoopPassPipeline(LoopPassManager &LPM,
-                                         ArrayRef<PipelineElement> Pipeline,
-                                         bool DebugLogging) {
+                                         ArrayRef<PipelineElement> Pipeline) {
   for (const auto &Element : Pipeline) {
-    if (auto Err = parseLoopPass(LPM, Element, DebugLogging))
+    if (auto Err = parseLoopPass(LPM, Element))
       return Err;
   }
   return Error::success();
 }
 
-Error PassBuilder::parseFunctionPassPipeline(FunctionPassManager &FPM,
-                                             ArrayRef<PipelineElement> Pipeline,
-                                             bool DebugLogging) {
+Error PassBuilder::parseFunctionPassPipeline(
+    FunctionPassManager &FPM, ArrayRef<PipelineElement> Pipeline) {
   for (const auto &Element : Pipeline) {
-    if (auto Err = parseFunctionPass(FPM, Element, DebugLogging))
+    if (auto Err = parseFunctionPass(FPM, Element))
       return Err;
   }
   return Error::success();
 }
 
 Error PassBuilder::parseCGSCCPassPipeline(CGSCCPassManager &CGPM,
-                                          ArrayRef<PipelineElement> Pipeline,
-                                          bool DebugLogging) {
+                                          ArrayRef<PipelineElement> Pipeline) {
   for (const auto &Element : Pipeline) {
-    if (auto Err = parseCGSCCPass(CGPM, Element, DebugLogging))
+    if (auto Err = parseCGSCCPass(CGPM, Element))
       return Err;
   }
   return Error::success();
@@ -2682,10 +2669,9 @@ void PassBuilder::crossRegisterProxies(LoopAnalysisManager &LAM,
 }
 
 Error PassBuilder::parseModulePassPipeline(ModulePassManager &MPM,
-                                           ArrayRef<PipelineElement> Pipeline,
-                                           bool DebugLogging) {
+                                           ArrayRef<PipelineElement> Pipeline) {
   for (const auto &Element : Pipeline) {
-    if (auto Err = parseModulePass(MPM, Element, DebugLogging))
+    if (auto Err = parseModulePass(MPM, Element))
       return Err;
   }
   return Error::success();
@@ -2695,8 +2681,7 @@ Error PassBuilder::parseModulePassPipeline(ModulePassManager &MPM,
 // FIXME: Should this routine accept a TargetMachine or require the caller to
 // pre-populate the analysis managers with target-specific stuff?
 Error PassBuilder::parsePassPipeline(ModulePassManager &MPM,
-                                     StringRef PipelineText,
-                                     bool DebugLogging) {
+                                     StringRef PipelineText) {
   auto Pipeline = parsePipelineText(PipelineText);
   if (!Pipeline || Pipeline->empty())
     return make_error<StringError>(
@@ -2730,15 +2715,14 @@ Error PassBuilder::parsePassPipeline(ModulePassManager &MPM,
     }
   }
 
-  if (auto Err = parseModulePassPipeline(MPM, *Pipeline, DebugLogging))
+  if (auto Err = parseModulePassPipeline(MPM, *Pipeline))
     return Err;
   return Error::success();
 }
 
 // Primary pass pipeline description parsing routine for a \c CGSCCPassManager
 Error PassBuilder::parsePassPipeline(CGSCCPassManager &CGPM,
-                                     StringRef PipelineText,
-                                     bool DebugLogging) {
+                                     StringRef PipelineText) {
   auto Pipeline = parsePipelineText(PipelineText);
   if (!Pipeline || Pipeline->empty())
     return make_error<StringError>(
@@ -2753,7 +2737,7 @@ Error PassBuilder::parsePassPipeline(CGSCCPassManager &CGPM,
             .str(),
         inconvertibleErrorCode());
 
-  if (auto Err = parseCGSCCPassPipeline(CGPM, *Pipeline, DebugLogging))
+  if (auto Err = parseCGSCCPassPipeline(CGPM, *Pipeline))
     return Err;
   return Error::success();
 }
@@ -2761,8 +2745,7 @@ Error PassBuilder::parsePassPipeline(CGSCCPassManager &CGPM,
 // Primary pass pipeline description parsing routine for a \c
 // FunctionPassManager
 Error PassBuilder::parsePassPipeline(FunctionPassManager &FPM,
-                                     StringRef PipelineText,
-                                     bool DebugLogging) {
+                                     StringRef PipelineText) {
   auto Pipeline = parsePipelineText(PipelineText);
   if (!Pipeline || Pipeline->empty())
     return make_error<StringError>(
@@ -2777,22 +2760,21 @@ Error PassBuilder::parsePassPipeline(FunctionPassManager &FPM,
             .str(),
         inconvertibleErrorCode());
 
-  if (auto Err = parseFunctionPassPipeline(FPM, *Pipeline, DebugLogging))
+  if (auto Err = parseFunctionPassPipeline(FPM, *Pipeline))
     return Err;
   return Error::success();
 }
 
 // Primary pass pipeline description parsing routine for a \c LoopPassManager
 Error PassBuilder::parsePassPipeline(LoopPassManager &CGPM,
-                                     StringRef PipelineText,
-                                     bool DebugLogging) {
+                                     StringRef PipelineText) {
   auto Pipeline = parsePipelineText(PipelineText);
   if (!Pipeline || Pipeline->empty())
     return make_error<StringError>(
         formatv("invalid pipeline '{0}'", PipelineText).str(),
         inconvertibleErrorCode());
 
-  if (auto Err = parseLoopPassPipeline(CGPM, *Pipeline, DebugLogging))
+  if (auto Err = parseLoopPassPipeline(CGPM, *Pipeline))
     return Err;
 
   return Error::success();
diff --git a/llvm/lib/Passes/PassRegistry.def b/llvm/lib/Passes/PassRegistry.def
index 538913c001e1..fb313480902a 100644
--- a/llvm/lib/Passes/PassRegistry.def
+++ b/llvm/lib/Passes/PassRegistry.def
@@ -93,10 +93,10 @@ MODULE_PASS("rewrite-symbols", RewriteSymbolPass())
 MODULE_PASS("rpo-function-attrs", ReversePostOrderFunctionAttrsPass())
 MODULE_PASS("sample-profile", SampleProfileLoaderPass())
 MODULE_PASS("scc-oz-module-inliner",
-  buildInlinerPipeline(OptimizationLevel::Oz, ThinLTOPhase::None, DebugLogging))
+  buildInlinerPipeline(OptimizationLevel::Oz, ThinLTOPhase::None))
 MODULE_PASS("loop-extract-single", LoopExtractorPass(1))
 MODULE_PASS("oz-module-optimizer",
-  buildModuleOptimizationPipeline(OptimizationLevel::Oz, DebugLogging, /*LTOPreLink*/false))
+  buildModuleOptimizationPipeline(OptimizationLevel::Oz, /*LTOPreLink*/false))
 MODULE_PASS("strip", StripSymbolsPass())
 MODULE_PASS("strip-dead-debug-info", StripDeadDebugInfoPass())
 MODULE_PASS("strip-dead-prototypes", StripDeadPrototypesPass())
diff --git a/llvm/tools/llvm-opt-fuzzer/llvm-opt-fuzzer.cpp b/llvm/tools/llvm-opt-fuzzer/llvm-opt-fuzzer.cpp
index be60ce906eb5..25eb8c38695b 100644
--- a/llvm/tools/llvm-opt-fuzzer/llvm-opt-fuzzer.cpp
+++ b/llvm/tools/llvm-opt-fuzzer/llvm-opt-fuzzer.cpp
@@ -133,7 +133,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
   // Create pass pipeline
   //
 
-  PassBuilder PB(TM.get());
+  PassBuilder PB(false, TM.get());
 
   LoopAnalysisManager LAM;
   FunctionAnalysisManager FAM;
@@ -148,7 +148,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
   PB.registerLoopAnalyses(LAM);
   PB.crossRegisterProxies(LAM, FAM, CGAM, MAM);
 
-  auto Err = PB.parsePassPipeline(MPM, PassPipeline, false);
+  auto Err = PB.parsePassPipeline(MPM, PassPipeline);
   assert(!Err && "Should have been checked during fuzzer initialization");
   // Only fail with assert above, otherwise ignore the parsing error.
   consumeError(std::move(Err));
@@ -240,9 +240,9 @@ extern "C" LLVM_ATTRIBUTE_USED int LLVMFuzzerInitialize(
     exit(1);
   }
 
-  PassBuilder PB(TM.get());
+  PassBuilder PB(false, TM.get());
   ModulePassManager MPM;
-  if (auto Err = PB.parsePassPipeline(MPM, PassPipeline, false)) {
+  if (auto Err = PB.parsePassPipeline(MPM, PassPipeline)) {
     errs() << *argv[0] << ": " << toString(std::move(Err)) << "\n";
     exit(1);
   }
diff --git a/llvm/tools/opt/NewPMDriver.cpp b/llvm/tools/opt/NewPMDriver.cpp
index e97d91aa1d3b..87628f37a722 100644
--- a/llvm/tools/opt/NewPMDriver.cpp
+++ b/llvm/tools/opt/NewPMDriver.cpp
@@ -140,68 +140,55 @@ bool tryParsePipelineText(PassBuilder &PB,
 
 /// If one of the EPPipeline command line options was given, register callbacks
 /// for parsing and inserting the given pipeline
-static void registerEPCallbacks(PassBuilder &PB, bool DebugLogging) {
+static void registerEPCallbacks(PassBuilder &PB) {
   if (tryParsePipelineText<FunctionPassManager>(PB, PeepholeEPPipeline))
     PB.registerPeepholeEPCallback(
-        [&PB, DebugLogging](FunctionPassManager &PM,
-                            PassBuilder::OptimizationLevel Level) {
+        [&PB](FunctionPassManager &PM, PassBuilder::OptimizationLevel Level) {
           ExitOnError Err("Unable to parse PeepholeEP pipeline: ");
-          Err(PB.parsePassPipeline(PM, PeepholeEPPipeline, DebugLogging));
+          Err(PB.parsePassPipeline(PM, PeepholeEPPipeline));
         });
   if (tryParsePipelineText<LoopPassManager>(PB,
                                             LateLoopOptimizationsEPPipeline))
     PB.registerLateLoopOptimizationsEPCallback(
-        [&PB, DebugLogging](LoopPassManager &PM,
-                            PassBuilder::OptimizationLevel Level) {
+        [&PB](LoopPassManager &PM, PassBuilder::OptimizationLevel Level) {
           ExitOnError Err("Unable to parse LateLoopOptimizationsEP pipeline: ");
-          Err(PB.parsePassPipeline(PM, LateLoopOptimizationsEPPipeline,
-                                   DebugLogging));
+          Err(PB.parsePassPipeline(PM, LateLoopOptimizationsEPPipeline));
         });
   if (tryParsePipelineText<LoopPassManager>(PB, LoopOptimizerEndEPPipeline))
     PB.registerLoopOptimizerEndEPCallback(
-        [&PB, DebugLogging](LoopPassManager &PM,
-                            PassBuilder::OptimizationLevel Level) {
+        [&PB](LoopPassManager &PM, PassBuilder::OptimizationLevel Level) {
           ExitOnError Err("Unable to parse LoopOptimizerEndEP pipeline: ");
-          Err(PB.parsePassPipeline(PM, LoopOptimizerEndEPPipeline,
-                                   DebugLogging));
+          Err(PB.parsePassPipeline(PM, LoopOptimizerEndEPPipeline));
         });
   if (tryParsePipelineText<FunctionPassManager>(PB,
                                                 ScalarOptimizerLateEPPipeline))
     PB.registerScalarOptimizerLateEPCallback(
-        [&PB, DebugLogging](FunctionPassManager &PM,
-                            PassBuilder::OptimizationLevel Level) {
+        [&PB](FunctionPassManager &PM, PassBuilder::OptimizationLevel Level) {
           ExitOnError Err("Unable to parse ScalarOptimizerLateEP pipeline: ");
-          Err(PB.parsePassPipeline(PM, ScalarOptimizerLateEPPipeline,
-                                   DebugLogging));
+          Err(PB.parsePassPipeline(PM, ScalarOptimizerLateEPPipeline));
         });
   if (tryParsePipelineText<CGSCCPassManager>(PB, CGSCCOptimizerLateEPPipeline))
     PB.registerCGSCCOptimizerLateEPCallback(
-        [&PB, DebugLogging](CGSCCPassManager &PM,
-                            PassBuilder::OptimizationLevel Level) {
+        [&PB](CGSCCPassManager &PM, PassBuilder::OptimizationLevel Level) {
           ExitOnError Err("Unable to parse CGSCCOptimizerLateEP pipeline: ");
-          Err(PB.parsePassPipeline(PM, CGSCCOptimizerLateEPPipeline,
-                                   DebugLogging));
+          Err(PB.parsePassPipeline(PM, CGSCCOptimizerLateEPPipeline));
         });
   if (tryParsePipelineText<FunctionPassManager>(PB, VectorizerStartEPPipeline))
     PB.registerVectorizerStartEPCallback(
-        [&PB, DebugLogging](FunctionPassManager &PM,
-                            PassBuilder::OptimizationLevel Level) {
+        [&PB](FunctionPassManager &PM, PassBuilder::OptimizationLevel Level) {
           ExitOnError Err("Unable to parse VectorizerStartEP pipeline: ");
-          Err(PB.parsePassPipeline(PM, VectorizerStartEPPipeline,
-                                   DebugLogging));
+          Err(PB.parsePassPipeline(PM, VectorizerStartEPPipeline));
         });
   if (tryParsePipelineText<ModulePassManager>(PB, PipelineStartEPPipeline))
-    PB.registerPipelineStartEPCallback(
-        [&PB, DebugLogging](ModulePassManager &PM) {
-          ExitOnError Err("Unable to parse PipelineStartEP pipeline: ");
-          Err(PB.parsePassPipeline(PM, PipelineStartEPPipeline, DebugLogging));
-        });
+    PB.registerPipelineStartEPCallback([&PB](ModulePassManager &PM) {
+      ExitOnError Err("Unable to parse PipelineStartEP pipeline: ");
+      Err(PB.parsePassPipeline(PM, PipelineStartEPPipeline));
+    });
   if (tryParsePipelineText<FunctionPassManager>(PB, OptimizerLastEPPipeline))
     PB.registerOptimizerLastEPCallback(
-        [&PB, DebugLogging](ModulePassManager &PM,
-                            PassBuilder::OptimizationLevel) {
+        [&PB](ModulePassManager &PM, PassBuilder::OptimizationLevel) {
           ExitOnError Err("Unable to parse OptimizerLastEP pipeline: ");
-          Err(PB.parsePassPipeline(PM, OptimizerLastEPPipeline, DebugLogging));
+          Err(PB.parsePassPipeline(PM, OptimizerLastEPPipeline));
         });
 }
 
@@ -269,8 +256,8 @@ bool llvm::runPassPipeline(StringRef Arg0, Module &M, TargetMachine *TM,
   // option has been enabled.
   PTO.LoopUnrolling = !DisableLoopUnrolling;
   PTO.Coroutines = Coroutines;
-  PassBuilder PB(TM, PTO, P, &PIC);
-  registerEPCallbacks(PB, DebugPM);
+  PassBuilder PB(DebugPM, TM, PTO, P, &PIC);
+  registerEPCallbacks(PB);
 
   // Load requested pass plugins and let them register pass builder callbacks
   for (auto &PluginFN : PassPlugins) {
@@ -371,9 +358,6 @@ bool llvm::runPassPipeline(StringRef Arg0, Module &M, TargetMachine *TM,
   PB.registerLoopAnalyses(LAM);
   PB.crossRegisterProxies(LAM, FAM, CGAM, MAM);
 
-  if (TM)
-    TM->registerPassBuilderCallbacks(PB, DebugPM);
-
   ModulePassManager MPM(DebugPM);
   if (VK > VK_NoVerifier)
     MPM.addPass(VerifierPass());
@@ -383,7 +367,7 @@ bool llvm::runPassPipeline(StringRef Arg0, Module &M, TargetMachine *TM,
   if (!PassPipeline.empty()) {
     assert(Passes.empty() &&
            "PassPipeline and Passes should not both contain passes");
-    if (auto Err = PB.parsePassPipeline(MPM, PassPipeline, DebugPM)) {
+    if (auto Err = PB.parsePassPipeline(MPM, PassPipeline)) {
       errs() << Arg0 << ": " << toString(std::move(Err)) << "\n";
       return false;
     }
@@ -392,7 +376,7 @@ bool llvm::runPassPipeline(StringRef Arg0, Module &M, TargetMachine *TM,
     std::string ModifiedPassName(PassName.begin(), PassName.end());
     if (PB.isAnalysisPassName(PassName))
       ModifiedPassName = "require<" + ModifiedPassName + ">";
-    if (auto Err = PB.parsePassPipeline(MPM, ModifiedPassName, DebugPM)) {
+    if (auto Err = PB.parsePassPipeline(MPM, ModifiedPassName)) {
       errs() << Arg0 << ": " << toString(std::move(Err)) << "\n";
       return false;
     }
diff --git a/llvm/unittests/IR/PassBuilderCallbacksTest.cpp b/llvm/unittests/IR/PassBuilderCallbacksTest.cpp
index 83b9ae623932..197377a8e320 100644
--- a/llvm/unittests/IR/PassBuilderCallbacksTest.cpp
+++ b/llvm/unittests/IR/PassBuilderCallbacksTest.cpp
@@ -439,8 +439,8 @@ protected:
                   "exit:\n"
                   "  ret void\n"
                   "}\n")),
-        CallbacksHandle(),
-        PB(nullptr, PipelineTuningOptions(), None, &CallbacksHandle.Callbacks),
+        CallbacksHandle(), PB(false, nullptr, PipelineTuningOptions(), None,
+                              &CallbacksHandle.Callbacks),
         PM(true), LAM(true), FAM(true), CGAM(true), AM(true) {
 
     EXPECT_TRUE(&CallbacksHandle.Callbacks ==