[llvm] 7ec05fe - [LegacyPM] Remove cl::opts controlling optimization pass manager passes

Arthur Eubanks via llvm-commits llvm-commits at lists.llvm.org
Mon Nov 14 09:25:46 PST 2022


Author: Arthur Eubanks
Date: 2022-11-14T09:23:17-08:00
New Revision: 7ec05fec7115a910b2e172de794adc462388c25e

URL: https://github.com/llvm/llvm-project/commit/7ec05fec7115a910b2e172de794adc462388c25e
DIFF: https://github.com/llvm/llvm-project/commit/7ec05fec7115a910b2e172de794adc462388c25e.diff

LOG: [LegacyPM] Remove cl::opts controlling optimization pass manager passes

Move these to the new PM if they're used there.

Part of removing the legacy pass manager for optimization pipeline.

Reviewed By: MaskRay

Differential Revision: https://reviews.llvm.org/D137915

Added: 
    

Modified: 
    llvm/lib/Passes/PassBuilderPipelines.cpp
    llvm/lib/Transforms/IPO/PassManagerBuilder.cpp

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Passes/PassBuilderPipelines.cpp b/llvm/lib/Passes/PassBuilderPipelines.cpp
index b32d53d8dfaf8..f978b2cefe9e3 100644
--- a/llvm/lib/Passes/PassBuilderPipelines.cpp
+++ b/llvm/lib/Passes/PassBuilderPipelines.cpp
@@ -134,11 +134,11 @@ static cl::opt<InliningAdvisorMode> UseInlineAdvisor(
     "enable-ml-inliner", cl::init(InliningAdvisorMode::Default), cl::Hidden,
     cl::desc("Enable ML policy for inliner. Currently trained for -Oz only"),
     cl::values(clEnumValN(InliningAdvisorMode::Default, "default",
-                          "Heuristics-based inliner version."),
+                          "Heuristics-based inliner version"),
                clEnumValN(InliningAdvisorMode::Development, "development",
-                          "Use development mode (runtime-loadable model)."),
+                          "Use development mode (runtime-loadable model)"),
                clEnumValN(InliningAdvisorMode::Release, "release",
-                          "Use release mode (AOT-compiled model).")));
+                          "Use release mode (AOT-compiled model)")));
 
 static cl::opt<bool> EnableSyntheticCounts(
     "enable-npm-synthetic-counts", cl::Hidden,
@@ -161,7 +161,7 @@ static cl::opt<bool> EnableModuleInliner("enable-module-inliner",
 static cl::opt<bool> PerformMandatoryInliningsFirst(
     "mandatory-inlining-first", cl::init(true), cl::Hidden,
     cl::desc("Perform mandatory inlinings module-wide, before performing "
-             "inlining."));
+             "inlining"));
 
 static cl::opt<bool> EnableO3NonTrivialUnswitching(
     "enable-npm-O3-nontrivial-unswitch", cl::init(true), cl::Hidden,
@@ -190,6 +190,99 @@ static cl::opt<bool> EnableGlobalAnalyses(
     "enable-global-analyses", cl::init(true), cl::Hidden,
     cl::desc("Enable inter-procedural analyses"));
 
+static cl::opt<bool>
+    RunPartialInlining("enable-partial-inlining", cl::init(false), cl::Hidden,
+                       cl::desc("Run Partial inlinining pass"));
+
+static cl::opt<bool> ExtraVectorizerPasses(
+    "extra-vectorizer-passes", cl::init(false), cl::Hidden,
+    cl::desc("Run cleanup optimization passes after vectorization"));
+
+static cl::opt<bool> RunNewGVN("enable-newgvn", cl::init(false), cl::Hidden,
+                               cl::desc("Run the NewGVN pass"));
+
+static cl::opt<bool> EnableLoopInterchange(
+    "enable-loopinterchange", cl::init(false), cl::Hidden,
+    cl::desc("Enable the experimental LoopInterchange Pass"));
+
+static cl::opt<bool> EnableUnrollAndJam("enable-unroll-and-jam",
+                                        cl::init(false), cl::Hidden,
+                                        cl::desc("Enable Unroll And Jam Pass"));
+
+static cl::opt<bool> EnableLoopFlatten("enable-loop-flatten", cl::init(false),
+                                       cl::Hidden,
+                                       cl::desc("Enable the LoopFlatten Pass"));
+
+static cl::opt<bool>
+    EnableDFAJumpThreading("enable-dfa-jump-thread",
+                           cl::desc("Enable DFA jump threading"),
+                           cl::init(false), cl::Hidden);
+
+static cl::opt<bool>
+    EnableHotColdSplit("hot-cold-split",
+                       cl::desc("Enable hot-cold splitting pass"));
+
+static cl::opt<bool> EnableIROutliner("ir-outliner", cl::init(false),
+                                      cl::Hidden,
+                                      cl::desc("Enable ir outliner pass"));
+
+static cl::opt<bool>
+    DisablePreInliner("disable-preinline", cl::init(false), cl::Hidden,
+                      cl::desc("Disable pre-instrumentation inliner"));
+
+static cl::opt<int> PreInlineThreshold(
+    "preinline-threshold", cl::Hidden, cl::init(75),
+    cl::desc("Control the amount of inlining in pre-instrumentation inliner "
+             "(default = 75)"));
+
+static cl::opt<bool>
+    EnableGVNHoist("enable-gvn-hoist",
+                   cl::desc("Enable the GVN hoisting pass (default = off)"));
+
+static cl::opt<bool>
+    EnableGVNSink("enable-gvn-sink",
+                  cl::desc("Enable the GVN sinking pass (default = off)"));
+
+// This option is used in simplifying testing SampleFDO optimizations for
+// profile loading.
+static cl::opt<bool>
+    EnableCHR("enable-chr", cl::init(true), cl::Hidden,
+              cl::desc("Enable control height reduction optimization (CHR)"));
+
+static cl::opt<bool> FlattenedProfileUsed(
+    "flattened-profile-used", cl::init(false), cl::Hidden,
+    cl::desc("Indicate the sample profile being used is flattened, i.e., "
+             "no inline hierachy exists in the profile"));
+
+static cl::opt<bool> EnableOrderFileInstrumentation(
+    "enable-order-file-instrumentation", cl::init(false), cl::Hidden,
+    cl::desc("Enable order file instrumentation (default = off)"));
+
+static cl::opt<bool>
+    EnableMatrix("enable-matrix", cl::init(false), cl::Hidden,
+                 cl::desc("Enable lowering of the matrix intrinsics"));
+
+static cl::opt<bool> EnableConstraintElimination(
+    "enable-constraint-elimination", cl::init(false), cl::Hidden,
+    cl::desc(
+        "Enable pass to eliminate conditions based on linear constraints"));
+
+static cl::opt<bool> EnableFunctionSpecialization(
+    "enable-function-specialization", cl::init(false), cl::Hidden,
+    cl::desc("Enable Function Specialization pass"));
+
+static cl::opt<AttributorRunOption> AttributorRun(
+    "attributor-enable", cl::Hidden, cl::init(AttributorRunOption::NONE),
+    cl::desc("Enable the attributor inter-procedural deduction pass"),
+    cl::values(clEnumValN(AttributorRunOption::ALL, "all",
+                          "enable all attributor runs"),
+               clEnumValN(AttributorRunOption::MODULE, "module",
+                          "enable module-wide attributor runs"),
+               clEnumValN(AttributorRunOption::CGSCC, "cgscc",
+                          "enable call graph SCC attributor runs"),
+               clEnumValN(AttributorRunOption::NONE, "none",
+                          "disable attributor runs")));
+
 PipelineTuningOptions::PipelineTuningOptions() {
   LoopInterleaving = true;
   LoopVectorization = true;
@@ -206,27 +299,7 @@ PipelineTuningOptions::PipelineTuningOptions() {
 
 namespace llvm {
 extern cl::opt<unsigned> MaxDevirtIterations;
-extern cl::opt<bool> EnableConstraintElimination;
-extern cl::opt<bool> EnableFunctionSpecialization;
-extern cl::opt<bool> EnableGVNHoist;
-extern cl::opt<bool> EnableGVNSink;
-extern cl::opt<bool> EnableHotColdSplit;
-extern cl::opt<bool> EnableIROutliner;
-extern cl::opt<bool> EnableOrderFileInstrumentation;
-extern cl::opt<bool> EnableCHR;
-extern cl::opt<bool> EnableLoopInterchange;
-extern cl::opt<bool> EnableUnrollAndJam;
-extern cl::opt<bool> EnableLoopFlatten;
-extern cl::opt<bool> EnableDFAJumpThreading;
-extern cl::opt<bool> RunNewGVN;
-extern cl::opt<bool> RunPartialInlining;
-extern cl::opt<bool> ExtraVectorizerPasses;
-extern cl::opt<bool> FlattenedProfileUsed;
-extern cl::opt<AttributorRunOption> AttributorRun;
 extern cl::opt<bool> EnableKnowledgeRetention;
-extern cl::opt<bool> EnableMatrix;
-extern cl::opt<bool> DisablePreInliner;
-extern cl::opt<int> PreInlineThreshold;
 } // namespace llvm
 
 void PassBuilder::invokePeepholeEPCallbacks(FunctionPassManager &FPM,

diff  --git a/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp b/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
index 52e4fa4011837..a81a3fb8d891f 100644
--- a/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
+++ b/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
@@ -43,129 +43,6 @@
 
 using namespace llvm;
 
-namespace llvm {
-cl::opt<bool> RunPartialInlining("enable-partial-inlining", cl::Hidden,
-                                 cl::desc("Run Partial inlinining pass"));
-
-static cl::opt<bool>
-UseGVNAfterVectorization("use-gvn-after-vectorization",
-  cl::init(false), cl::Hidden,
-  cl::desc("Run GVN instead of Early CSE after vectorization passes"));
-
-cl::opt<bool> ExtraVectorizerPasses(
-    "extra-vectorizer-passes", cl::init(false), cl::Hidden,
-    cl::desc("Run cleanup optimization passes after vectorization."));
-
-static cl::opt<bool>
-RunLoopRerolling("reroll-loops", cl::Hidden,
-                 cl::desc("Run the loop rerolling pass"));
-
-cl::opt<bool> RunNewGVN("enable-newgvn", cl::init(false), cl::Hidden,
-                        cl::desc("Run the NewGVN pass"));
-
-// Experimental option to use CFL-AA
-static cl::opt<::CFLAAType>
-    UseCFLAA("use-cfl-aa", cl::init(::CFLAAType::None), cl::Hidden,
-             cl::desc("Enable the new, experimental CFL alias analysis"),
-             cl::values(clEnumValN(::CFLAAType::None, "none", "Disable CFL-AA"),
-                        clEnumValN(::CFLAAType::Steensgaard, "steens",
-                                   "Enable unification-based CFL-AA"),
-                        clEnumValN(::CFLAAType::Andersen, "anders",
-                                   "Enable inclusion-based CFL-AA"),
-                        clEnumValN(::CFLAAType::Both, "both",
-                                   "Enable both variants of CFL-AA")));
-
-cl::opt<bool> EnableLoopInterchange(
-    "enable-loopinterchange", cl::init(false), cl::Hidden,
-    cl::desc("Enable the experimental LoopInterchange Pass"));
-
-cl::opt<bool> EnableUnrollAndJam("enable-unroll-and-jam", cl::init(false),
-                                 cl::Hidden,
-                                 cl::desc("Enable Unroll And Jam Pass"));
-
-cl::opt<bool> EnableLoopFlatten("enable-loop-flatten", cl::init(false),
-                                cl::Hidden,
-                                cl::desc("Enable the LoopFlatten Pass"));
-
-cl::opt<bool> EnableDFAJumpThreading("enable-dfa-jump-thread",
-                                     cl::desc("Enable DFA jump threading."),
-                                     cl::init(false), cl::Hidden);
-
-cl::opt<bool> EnableHotColdSplit("hot-cold-split",
-                                 cl::desc("Enable hot-cold splitting pass"));
-
-cl::opt<bool> EnableIROutliner("ir-outliner", cl::init(false), cl::Hidden,
-    cl::desc("Enable ir outliner pass"));
-
-static cl::opt<bool> UseLoopVersioningLICM(
-    "enable-loop-versioning-licm", cl::init(false), cl::Hidden,
-    cl::desc("Enable the experimental Loop Versioning LICM pass"));
-
-cl::opt<bool>
-    DisablePreInliner("disable-preinline", cl::init(false), cl::Hidden,
-                      cl::desc("Disable pre-instrumentation inliner"));
-
-cl::opt<int> PreInlineThreshold(
-    "preinline-threshold", cl::Hidden, cl::init(75),
-    cl::desc("Control the amount of inlining in pre-instrumentation inliner "
-             "(default = 75)"));
-
-cl::opt<bool>
-    EnableGVNHoist("enable-gvn-hoist",
-                   cl::desc("Enable the GVN hoisting pass (default = off)"));
-
-static cl::opt<bool>
-    DisableLibCallsShrinkWrap("disable-libcalls-shrinkwrap", cl::init(false),
-                              cl::Hidden,
-                              cl::desc("Disable shrink-wrap library calls"));
-
-cl::opt<bool>
-    EnableGVNSink("enable-gvn-sink",
-                  cl::desc("Enable the GVN sinking pass (default = off)"));
-
-// This option is used in simplifying testing SampleFDO optimizations for
-// profile loading.
-cl::opt<bool>
-    EnableCHR("enable-chr", cl::init(true), cl::Hidden,
-              cl::desc("Enable control height reduction optimization (CHR)"));
-
-cl::opt<bool> FlattenedProfileUsed(
-    "flattened-profile-used", cl::init(false), cl::Hidden,
-    cl::desc("Indicate the sample profile being used is flattened, i.e., "
-             "no inline hierachy exists in the profile. "));
-
-cl::opt<bool> EnableOrderFileInstrumentation(
-    "enable-order-file-instrumentation", cl::init(false), cl::Hidden,
-    cl::desc("Enable order file instrumentation (default = off)"));
-
-cl::opt<bool> EnableMatrix(
-    "enable-matrix", cl::init(false), cl::Hidden,
-    cl::desc("Enable lowering of the matrix intrinsics"));
-
-cl::opt<bool> EnableConstraintElimination(
-    "enable-constraint-elimination", cl::init(false), cl::Hidden,
-    cl::desc(
-        "Enable pass to eliminate conditions based on linear constraints."));
-
-cl::opt<bool> EnableFunctionSpecialization(
-    "enable-function-specialization", cl::init(false), cl::Hidden,
-    cl::desc("Enable Function Specialization pass"));
-
-cl::opt<AttributorRunOption> AttributorRun(
-    "attributor-enable", cl::Hidden, cl::init(AttributorRunOption::NONE),
-    cl::desc("Enable the attributor inter-procedural deduction pass."),
-    cl::values(clEnumValN(AttributorRunOption::ALL, "all",
-                          "enable all attributor runs"),
-               clEnumValN(AttributorRunOption::MODULE, "module",
-                          "enable module-wide attributor runs"),
-               clEnumValN(AttributorRunOption::CGSCC, "cgscc",
-                          "enable call graph SCC attributor runs"),
-               clEnumValN(AttributorRunOption::NONE, "none",
-                          "disable attributor runs")));
-
-extern cl::opt<bool> EnableKnowledgeRetention;
-} // namespace llvm
-
 PassManagerBuilder::PassManagerBuilder() {
     OptLevel = 2;
     SizeLevel = 0;
@@ -175,8 +52,6 @@ PassManagerBuilder::PassManagerBuilder() {
     SLPVectorize = false;
     LoopVectorize = true;
     LoopsInterleaved = true;
-    RerollLoops = RunLoopRerolling;
-    NewGVN = RunNewGVN;
     LicmMssaOptCap = SetLicmMssaOptCap;
     LicmMssaNoAccForPromotionCap = SetLicmMssaNoAccForPromotionCap;
     DisableGVNLoadPRE = false;
@@ -253,21 +128,6 @@ void PassManagerBuilder::addExtensionsToPM(ExtensionPointTy ETy,
 
 void PassManagerBuilder::addInitialAliasAnalysisPasses(
     legacy::PassManagerBase &PM) const {
-  switch (UseCFLAA) {
-  case ::CFLAAType::Steensgaard:
-    PM.add(createCFLSteensAAWrapperPass());
-    break;
-  case ::CFLAAType::Andersen:
-    PM.add(createCFLAndersAAWrapperPass());
-    break;
-  case ::CFLAAType::Both:
-    PM.add(createCFLSteensAAWrapperPass());
-    PM.add(createCFLAndersAAWrapperPass());
-    break;
-  default:
-    break;
-  }
-
   // Add TypeBasedAliasAnalysis before BasicAliasAnalysis so that
   // BasicAliasAnalysis wins if they disagree. This is intended to help
   // support "obvious" type-punning idioms.
@@ -283,13 +143,6 @@ void PassManagerBuilder::populateFunctionPassManager(
   if (LibraryInfo)
     FPM.add(new TargetLibraryInfoWrapperPass(*LibraryInfo));
 
-  // The backends do not handle matrix intrinsics currently.
-  // Make sure they are also lowered in O0.
-  // FIXME: A lightweight version of the pass should run in the backend
-  //        pipeline on demand.
-  if (EnableMatrix && OptLevel == 0)
-    FPM.add(createLowerMatrixIntrinsicsMinimalPass());
-
   if (OptLevel == 0) return;
 
   addInitialAliasAnalysisPasses(FPM);
@@ -309,21 +162,6 @@ void PassManagerBuilder::addFunctionSimplificationPasses(
   assert(OptLevel >= 1 && "Calling function optimizer with no optimization level!");
   MPM.add(createSROAPass());
   MPM.add(createEarlyCSEPass(true /* Enable mem-ssa. */)); // Catch trivial redundancies
-  if (EnableKnowledgeRetention)
-    MPM.add(createAssumeSimplifyPass());
-
-  if (OptLevel > 1) {
-    if (EnableGVNHoist)
-      MPM.add(createGVNHoistPass());
-    if (EnableGVNSink) {
-      MPM.add(createGVNSinkPass());
-      MPM.add(createCFGSimplificationPass(
-          SimplifyCFGOptions().convertSwitchRangeToICmp(true)));
-    }
-  }
-
-  if (EnableConstraintElimination)
-    MPM.add(createConstraintEliminationPass());
 
   if (OptLevel > 1) {
     // Speculative execution if the target has divergent branches; otherwise nop.
@@ -339,7 +177,7 @@ void PassManagerBuilder::addFunctionSimplificationPasses(
   if (OptLevel > 2)
     MPM.add(createAggressiveInstCombinerPass());
   MPM.add(createInstructionCombiningPass());
-  if (SizeLevel == 0 && !DisableLibCallsShrinkWrap)
+  if (SizeLevel == 0)
     MPM.add(createLibCallsShrinkWrapPass());
   addExtensionsToPM(EP_Peephole, MPM);
 
@@ -351,11 +189,6 @@ void PassManagerBuilder::addFunctionSimplificationPasses(
           true)));                            // Merge & remove BBs
   MPM.add(createReassociatePass());           // Reassociate expressions
 
-  // The matrix extension can introduce large vector operations early, which can
-  // benefit from running vector-combine early on.
-  if (EnableMatrix)
-    MPM.add(createVectorCombinePass());
-
   // Begin the loop pass pipeline.
 
   // The simple loop unswitch pass relies on separate cleanup passes. Schedule
@@ -385,18 +218,11 @@ void PassManagerBuilder::addFunctionSimplificationPasses(
       SimplifyCFGOptions().convertSwitchRangeToICmp(true)));
   MPM.add(createInstructionCombiningPass());
   // We resume loop passes creating a second loop pipeline here.
-  if (EnableLoopFlatten) {
-    MPM.add(createLoopFlattenPass()); // Flatten loops
-    MPM.add(createLoopSimplifyCFGPass());
-  }
   MPM.add(createLoopIdiomPass());             // Recognize idioms like memset.
   MPM.add(createIndVarSimplifyPass());        // Canonicalize indvars
   addExtensionsToPM(EP_LateLoopOptimizations, MPM);
   MPM.add(createLoopDeletionPass());          // Delete dead loops
 
-  if (EnableLoopInterchange)
-    MPM.add(createLoopInterchangePass()); // Interchange loops
-
   // Unroll small loops and perform peeling.
   MPM.add(createSimpleLoopUnrollPass(OptLevel, DisableUnrollLoops,
                                      ForgetAllSCEVInLoopUnroll));
@@ -413,9 +239,6 @@ void PassManagerBuilder::addFunctionSimplificationPasses(
   }
   MPM.add(createSCCPPass());                  // Constant prop with SCCP
 
-  if (EnableConstraintElimination)
-    MPM.add(createConstraintEliminationPass());
-
   // Delete dead bit computations (instcombine runs after to fold away the dead
   // computations, and then ADCE will run later to exploit any new DCE
   // opportunities that creates).
@@ -426,9 +249,6 @@ void PassManagerBuilder::addFunctionSimplificationPasses(
   MPM.add(createInstructionCombiningPass());
   addExtensionsToPM(EP_Peephole, MPM);
   if (OptLevel > 1) {
-    if (EnableDFAJumpThreading && SizeLevel == 0)
-      MPM.add(createDFAJumpThreadingPass());
-
     MPM.add(createJumpThreadingPass());         // Thread jumps
     MPM.add(createCorrelatedValuePropagationPass());
   }
@@ -444,9 +264,6 @@ void PassManagerBuilder::addFunctionSimplificationPasses(
 
   addExtensionsToPM(EP_ScalarOptimizerLate, MPM);
 
-  if (RerollLoops)
-    MPM.add(createLoopRerollPass());
-
   // Merge & remove BBs and sink & hoist common instructions.
   MPM.add(createCFGSimplificationPass(
       SimplifyCFGOptions().hoistCommonInsts(true).sinkCommonInsts(true)));
@@ -468,9 +285,6 @@ void PassManagerBuilder::addVectorPasses(legacy::PassManagerBase &PM,
     // FIXME: It would be really good to use a loop-integrated instruction
     // combiner for cleanup here so that the unrolling and LICM can be pipelined
     // across the loop nests.
-    // We do UnrollAndJam in a separate LPM to ensure it happens before unroll
-    if (EnableUnrollAndJam && !DisableUnrollLoops)
-      PM.add(createLoopUnrollAndJamPass(OptLevel));
     PM.add(createLoopUnrollPass(OptLevel, DisableUnrollLoops,
                                 ForgetAllSCEVInLoopUnroll));
     PM.add(createWarnMissedTransformationsPass());
@@ -484,24 +298,6 @@ void PassManagerBuilder::addVectorPasses(legacy::PassManagerBase &PM,
   // Cleanup after the loop optimization passes.
   PM.add(createInstructionCombiningPass());
 
-  if (OptLevel > 1 && ExtraVectorizerPasses) {
-    // At higher optimization levels, try to clean up any runtime overlap and
-    // alignment checks inserted by the vectorizer. We want to track correlated
-    // runtime checks for two inner loops in the same outer loop, fold any
-    // common computations, hoist loop-invariant aspects out of any outer loop,
-    // and unswitch the runtime checks if possible. Once hoisted, we may have
-    // dead (or speculatable) control flows or more combining opportunities.
-    PM.add(createEarlyCSEPass());
-    PM.add(createCorrelatedValuePropagationPass());
-    PM.add(createInstructionCombiningPass());
-    PM.add(createLICMPass(LicmMssaOptCap, LicmMssaNoAccForPromotionCap,
-                          /*AllowSpeculation=*/true));
-    PM.add(createSimpleLoopUnswitchLegacyPass());
-    PM.add(createCFGSimplificationPass(
-        SimplifyCFGOptions().convertSwitchRangeToICmp(true)));
-    PM.add(createInstructionCombiningPass());
-  }
-
   // Now that we've formed fast to execute loop structures, we do further
   // optimizations. These are run afterward as they might block doing complex
   // analyses and transforms such as what are needed for loop vectorization.
@@ -528,8 +324,6 @@ void PassManagerBuilder::addVectorPasses(legacy::PassManagerBase &PM,
   // Optimize parallel scalar instruction chains into SIMD instructions.
   if (SLPVectorize) {
     PM.add(createSLPVectorizerPass());
-    if (OptLevel > 1 && ExtraVectorizerPasses)
-      PM.add(createEarlyCSEPass());
   }
 
   // Enhance/cleanup vector code.
@@ -539,13 +333,6 @@ void PassManagerBuilder::addVectorPasses(legacy::PassManagerBase &PM,
     addExtensionsToPM(EP_Peephole, PM);
     PM.add(createInstructionCombiningPass());
 
-    if (EnableUnrollAndJam && !DisableUnrollLoops) {
-      // Unroll and Jam. We do this before unroll but need to be in a separate
-      // loop pass manager in order for the outer loop to be processed by
-      // unroll and jam before the inner loop is unrolled.
-      PM.add(createLoopUnrollAndJamPass(OptLevel));
-    }
-
     // Unroll small loops
     PM.add(createLoopUnrollPass(OptLevel, DisableUnrollLoops,
                                 ForgetAllSCEVInLoopUnroll));
@@ -613,19 +400,11 @@ void PassManagerBuilder::populateModulePassManager(
   // Infer attributes about declarations if possible.
   MPM.add(createInferFunctionAttrsLegacyPass());
 
-  // Infer attributes on declarations, call sites, arguments, etc.
-  if (AttributorRun & AttributorRunOption::MODULE)
-    MPM.add(createAttributorLegacyPass());
-
   addExtensionsToPM(EP_ModuleOptimizerEarly, MPM);
 
   if (OptLevel > 2)
     MPM.add(createCallSiteSplittingPass());
 
-  // Propage constant function arguments by specializing the functions.
-  if (OptLevel > 2 && EnableFunctionSpecialization)
-    MPM.add(createFunctionSpecializationPass());
-
   MPM.add(createIPSCCPPass());          // IP SCCP
   MPM.add(createCalledValuePropagationPass());
 
@@ -654,10 +433,6 @@ void PassManagerBuilder::populateModulePassManager(
     RunInliner = true;
   }
 
-  // Infer attributes on declarations, call sites, arguments, etc. for an SCC.
-  if (AttributorRun & AttributorRunOption::CGSCC)
-    MPM.add(createAttributorCGSCCLegacyPass());
-
   // Try to perform OpenMP specific optimizations. This is a (quick!) no-op if
   // there are no OpenMP runtime calls present in the module.
   if (OptLevel > 1)
@@ -673,9 +448,6 @@ void PassManagerBuilder::populateModulePassManager(
   // we must insert a no-op module pass to reset the pass manager.
   MPM.add(createBarrierNoopPass());
 
-  if (RunPartialInlining)
-    MPM.add(createPartialInliningPass());
-
   if (OptLevel > 1)
     // Remove avail extern fns and globals definitions if we aren't
     // compiling an object file for later LTO. For LTO we want to preserve
@@ -701,17 +473,6 @@ void PassManagerBuilder::populateModulePassManager(
     MPM.add(createGlobalDCEPass());
   }
 
-  // Scheduling LoopVersioningLICM when inlining is over, because after that
-  // we may see more accurate aliasing. Reason to run this late is that too
-  // early versioning may prevent further inlining due to increase of code
-  // size. By placing it just after inlining other optimizations which runs
-  // later might get benefit of no-alias assumption in clone loop.
-  if (UseLoopVersioningLICM) {
-    MPM.add(createLoopVersioningLICMPass());    // Do LoopVersioningLICM
-    MPM.add(createLICMPass(LicmMssaOptCap, LicmMssaNoAccForPromotionCap,
-                           /*AllowSpeculation=*/true));
-  }
-
   // We add a fresh GlobalsModRef run at this point. This is particularly
   // useful as the above will have inlined, DCE'ed, and function-attr
   // propagated everything. We should at this point have a reasonably minimal
@@ -732,14 +493,6 @@ void PassManagerBuilder::populateModulePassManager(
   MPM.add(createFloat2IntPass());
   MPM.add(createLowerConstantIntrinsicsPass());
 
-  if (EnableMatrix) {
-    MPM.add(createLowerMatrixIntrinsicsPass());
-    // CSE the pointer arithmetic of the column vectors.  This allows alias
-    // analysis to establish no-aliasing between loads and stores of 
diff erent
-    // columns of the same matrix.
-    MPM.add(createEarlyCSEPass(false));
-  }
-
   addExtensionsToPM(EP_VectorizerStart, MPM);
 
   // Re-rotate loops in all our loop nests. These may have fallout out of
@@ -765,14 +518,6 @@ void PassManagerBuilder::populateModulePassManager(
     MPM.add(createConstantMergePass());     // Merge dup global constants
   }
 
-  // See comment in the new PM for justification of scheduling splitting at
-  // this stage (\ref buildModuleSimplificationPipeline).
-  if (EnableHotColdSplit)
-    MPM.add(createHotColdSplittingPass());
-
-  if (EnableIROutliner)
-    MPM.add(createIROutlinerPass());
-
   if (MergeFunctions)
     MPM.add(createMergeFunctionsPass());
 


        


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