Revert "remove new llvm pass manager :("

This reverts commit 55ed2a443c5c61baba37415d4087164454d8a2a8.

7 files changed, 482 insertions, 42 deletions

diff --git a/instrumentation/afl-llvm-dict2file.so.cc b/instrumentation/afl-llvm-dict2file.so.cc
index 39124660..440b9428 100644
--- a/instrumentation/afl-llvm-dict2file.so.cc
+++ b/instrumentation/afl-llvm-dict2file.so.cc
@@ -589,7 +589,6 @@ bool AFLdict2filePass::runOnModule(Module &M) {
 
               if (optLen < 2) { continue; }
               if (literalLength + 1 == optLen) {  // add null byte
-
                 thestring.append("\0", 1);
 
               }
@@ -612,11 +611,17 @@ bool AFLdict2filePass::runOnModule(Module &M) {
                         }
 
             */
-            if (!isStdString && thestring.find('\0', 0) != std::string::npos) {
+
+            if (!isStdString) {
 
               // ensure we do not have garbage
               size_t offset = thestring.find('\0', 0);
-              if (offset + 1 < optLen) optLen = offset + 1;
+              if (offset && offset < optLen && offset + 1 < optLen) {
+
+                optLen = offset + 1;
+
+              }
+
               thestring = thestring.substr(0, optLen);
 
             }
diff --git a/instrumentation/afl-llvm-pass.so.cc b/instrumentation/afl-llvm-pass.so.cc
index 5246ba08..32045935 100644
--- a/instrumentation/afl-llvm-pass.so.cc
+++ b/instrumentation/afl-llvm-pass.so.cc
@@ -45,12 +45,21 @@ typedef long double max_align_t;
 #endif
 
 #include "llvm/IR/IRBuilder.h"
-#include "llvm/IR/LegacyPassManager.h"
+#if LLVM_VERSION_MAJOR >= 11                        /* use new pass manager */
+  #include "llvm/Passes/PassPlugin.h"
+  #include "llvm/Passes/PassBuilder.h"
+  #include "llvm/IR/PassManager.h"
+#else
+  #include "llvm/IR/LegacyPassManager.h"
+  #include "llvm/Transforms/IPO/PassManagerBuilder.h"
+#endif
 #include "llvm/IR/BasicBlock.h"
 #include "llvm/IR/Module.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/MathExtras.h"
-#include "llvm/Transforms/IPO/PassManagerBuilder.h"
+#if LLVM_VERSION_MAJOR >= 14                /* how about stable interfaces? */
+  #include "llvm/Passes/OptimizationLevel.h"
+#endif
 
 #if LLVM_VERSION_MAJOR >= 4 || \
     (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR > 4)
@@ -68,17 +77,30 @@ using namespace llvm;
 
 namespace {
 
+#if LLVM_VERSION_MAJOR >= 11                        /* use new pass manager */
+class AFLCoverage : public PassInfoMixin<AFLCoverage> {
+
+ public:
+  AFLCoverage() {
+
+#else
 class AFLCoverage : public ModulePass {
 
  public:
   static char ID;
   AFLCoverage() : ModulePass(ID) {
 
+#endif
+
     initInstrumentList();
 
   }
 
+#if LLVM_VERSION_MAJOR >= 11                        /* use new pass manager */
+  PreservedAnalyses run(Module &M, ModuleAnalysisManager &MAM);
+#else
   bool runOnModule(Module &M) override;
+#endif
 
  protected:
   uint32_t    ngram_size = 0;
@@ -92,7 +114,55 @@ class AFLCoverage : public ModulePass {
 
 }  // namespace
 
+#if LLVM_VERSION_MAJOR >= 11                        /* use new pass manager */
+extern "C" ::llvm::PassPluginLibraryInfo LLVM_ATTRIBUTE_WEAK
+llvmGetPassPluginInfo() {
+
+  return {LLVM_PLUGIN_API_VERSION, "AFLCoverage", "v0.1",
+          /* lambda to insert our pass into the pass pipeline. */
+          [](PassBuilder &PB) {
+
+  #if 1
+    #if LLVM_VERSION_MAJOR <= 13
+            using OptimizationLevel = typename PassBuilder::OptimizationLevel;
+    #endif
+            PB.registerOptimizerLastEPCallback(
+                [](ModulePassManager &MPM, OptimizationLevel OL) {
+
+                  MPM.addPass(AFLCoverage());
+
+                });
+
+  /* TODO LTO registration */
+  #else
+            using PipelineElement = typename PassBuilder::PipelineElement;
+            PB.registerPipelineParsingCallback([](StringRef          Name,
+                                                  ModulePassManager &MPM,
+                                                  ArrayRef<PipelineElement>) {
+
+              if (Name == "AFLCoverage") {
+
+                MPM.addPass(AFLCoverage());
+                return true;
+
+              } else {
+
+                return false;
+
+              }
+
+            });
+
+  #endif
+
+          }};
+
+}
+
+#else
+
 char AFLCoverage::ID = 0;
+#endif
 
 /* needed up to 3.9.0 */
 #if LLVM_VERSION_MAJOR == 3 && \
@@ -118,8 +188,15 @@ uint64_t PowerOf2Ceil(unsigned in) {
     (LLVM_VERSION_MAJOR == 4 && LLVM_VERSION_PATCH >= 1)
   #define AFL_HAVE_VECTOR_INTRINSICS 1
 #endif
+
+#if LLVM_VERSION_MAJOR >= 11                        /* use new pass manager */
+PreservedAnalyses AFLCoverage::run(Module &M, ModuleAnalysisManager &MAM) {
+
+#else
 bool AFLCoverage::runOnModule(Module &M) {
 
+#endif
+
   LLVMContext &C = M.getContext();
 
   IntegerType *Int8Ty = IntegerType::getInt8Ty(C);
@@ -133,6 +210,10 @@ bool AFLCoverage::runOnModule(Module &M) {
   u32             rand_seed;
   unsigned int    cur_loc = 0;
 
+#if LLVM_VERSION_MAJOR >= 11                        /* use new pass manager */
+  auto PA = PreservedAnalyses::all();
+#endif
+
   /* Setup random() so we get Actually Random(TM) outputs from AFL_R() */
   gettimeofday(&tv, &tz);
   rand_seed = tv.tv_sec ^ tv.tv_usec ^ getpid();
@@ -997,10 +1078,15 @@ bool AFLCoverage::runOnModule(Module &M) {
 
   }
 
+#if LLVM_VERSION_MAJOR >= 11                        /* use new pass manager */
+  return PA;
+#else
   return true;
+#endif
 
 }
 
+#if LLVM_VERSION_MAJOR < 11                         /* use old pass manager */
 static void registerAFLPass(const PassManagerBuilder &,
                             legacy::PassManagerBase &PM) {
 
@@ -1013,4 +1099,5 @@ static RegisterStandardPasses RegisterAFLPass(
 
 static RegisterStandardPasses RegisterAFLPass0(
     PassManagerBuilder::EP_EnabledOnOptLevel0, registerAFLPass);
+#endif
 
diff --git a/instrumentation/cmplog-instructions-pass.cc b/instrumentation/cmplog-instructions-pass.cc
index 310f5585..b6d51ef3 100644
--- a/instrumentation/cmplog-instructions-pass.cc
+++ b/instrumentation/cmplog-instructions-pass.cc
@@ -28,11 +28,16 @@
 #include "llvm/Config/llvm-config.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/IR/IRBuilder.h"
-#include "llvm/IR/LegacyPassManager.h"
 #include "llvm/IR/Module.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
-#include "llvm/Transforms/IPO/PassManagerBuilder.h"
+#if LLVM_MAJOR >= 11
+//  #include "llvm/Passes/PassPlugin.h"
+//  #include "llvm/Passes/PassBuilder.h"
+  #include "llvm/IR/PassManager.h"
+#else
+  #include "llvm/IR/LegacyPassManager.h"
+#endif
 #include "llvm/Transforms/Utils/BasicBlockUtils.h"
 #include "llvm/Pass.h"
 #include "llvm/Analysis/ValueTracking.h"
@@ -55,6 +60,15 @@ using namespace llvm;
 
 namespace {
 
+#if LLVM_MAJOR >= 11           /* use new pass manager */
+class CmpLogInstructions : public PassInfoMixin<CmpLogInstructions> {
+ public:
+  CmpLogInstructions() {
+
+    initInstrumentList();
+
+  }
+#else
 class CmpLogInstructions : public ModulePass {
 
  public:
@@ -64,7 +78,11 @@ class CmpLogInstructions : public ModulePass {
     initInstrumentList();
 
   }
+#endif
 
+#if LLVM_MAJOR >= 11           /* use new pass manager */
+  PreservedAnalyses run(Module &M, ModuleAnalysisManager &MAM);
+#else
   bool runOnModule(Module &M) override;
 
 #if LLVM_VERSION_MAJOR >= 4
@@ -77,6 +95,7 @@ class CmpLogInstructions : public ModulePass {
     return "cmplog instructions";
 
   }
+#endif
 
  private:
   bool hookInstrs(Module &M);
@@ -85,7 +104,9 @@ class CmpLogInstructions : public ModulePass {
 
 }  // namespace
 
+#if LLVM_MAJOR <= 10           /* use old pass manager */
 char CmpLogInstructions::ID = 0;
+#endif
 
 template <class Iterator>
 Iterator Unique(Iterator first, Iterator last) {
@@ -613,7 +634,12 @@ bool CmpLogInstructions::hookInstrs(Module &M) {
 
 }
 
+#if LLVM_MAJOR >= 11           /* use new pass manager */
+PreservedAnalyses CmpLogInstructions::run(Module &               M,
+                                              ModuleAnalysisManager &MAM) {
+#else
 bool CmpLogInstructions::runOnModule(Module &M) {
+#endif
 
   if (getenv("AFL_QUIET") == NULL)
     printf("Running cmplog-instructions-pass by andreafioraldi@gmail.com\n");
@@ -622,10 +648,15 @@ bool CmpLogInstructions::runOnModule(Module &M) {
   hookInstrs(M);
   verifyModule(M);
 
+#if LLVM_MAJOR >= 11           /* use new pass manager */
+  return PreservedAnalyses::all();
+#else
   return true;
+#endif
 
 }
 
+#if LLVM_MAJOR < 11                                 /* use old pass manager */
 static void registerCmpLogInstructionsPass(const PassManagerBuilder &,
                                            legacy::PassManagerBase &PM) {
 
@@ -645,4 +676,4 @@ static RegisterStandardPasses RegisterCmpLogInstructionsPassLTO(
     PassManagerBuilder::EP_FullLinkTimeOptimizationLast,
     registerCmpLogInstructionsPass);
 #endif
-
+#endif
diff --git a/instrumentation/compare-transform-pass.so.cc b/instrumentation/compare-transform-pass.so.cc
index c3a4ee34..5869a1db 100644
--- a/instrumentation/compare-transform-pass.so.cc
+++ b/instrumentation/compare-transform-pass.so.cc
@@ -26,14 +26,23 @@
 
 #include "llvm/ADT/Statistic.h"
 #include "llvm/IR/IRBuilder.h"
-#include "llvm/IR/LegacyPassManager.h"
+#if LLVM_MAJOR >= 11                                /* use new pass manager */
+  #include "llvm/Passes/PassPlugin.h"
+  #include "llvm/Passes/PassBuilder.h"
+  #include "llvm/IR/PassManager.h"
+#else
+  #include "llvm/IR/LegacyPassManager.h"
+  #include "llvm/Transforms/IPO/PassManagerBuilder.h"
+#endif
 #include "llvm/IR/Module.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
-#include "llvm/Transforms/IPO/PassManagerBuilder.h"
 #include "llvm/Transforms/Utils/BasicBlockUtils.h"
 #include "llvm/Pass.h"
 #include "llvm/Analysis/ValueTracking.h"
+#if LLVM_VERSION_MAJOR >= 14                /* how about stable interfaces? */
+  #include "llvm/Passes/OptimizationLevel.h"
+#endif
 
 #if LLVM_VERSION_MAJOR >= 4 || \
     (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR > 4)
@@ -52,28 +61,37 @@ using namespace llvm;
 
 namespace {
 
+#if LLVM_MAJOR >= 11                                /* use new pass manager */
+class CompareTransform : public PassInfoMixin<CompareTransform> {
+
+ public:
+  CompareTransform() {
+
+#else
 class CompareTransform : public ModulePass {
 
  public:
   static char ID;
   CompareTransform() : ModulePass(ID) {
 
+#endif
+
     initInstrumentList();
 
   }
 
-  bool runOnModule(Module &M) override;
-
 #if LLVM_VERSION_MAJOR >= 4
   StringRef getPassName() const override {
 
 #else
   const char *getPassName() const override {
-
 #endif
-    return "transforms compare functions";
 
-  }
+#if LLVM_MAJOR >= 11                                /* use new pass manager */
+  PreservedAnalyses run(Module &M, ModuleAnalysisManager &MAM);
+#else
+  bool runOnModule(Module &M) override;
+#endif
 
  private:
   bool transformCmps(Module &M, const bool processStrcmp,
@@ -85,7 +103,54 @@ class CompareTransform : public ModulePass {
 
 }  // namespace
 
+#if LLVM_MAJOR >= 11                                /* use new pass manager */
+extern "C" ::llvm::PassPluginLibraryInfo LLVM_ATTRIBUTE_WEAK
+llvmGetPassPluginInfo() {
+
+  return {LLVM_PLUGIN_API_VERSION, "comparetransform", "v0.1",
+          /* lambda to insert our pass into the pass pipeline. */
+          [](PassBuilder &PB) {
+
+  #if 1
+    #if LLVM_VERSION_MAJOR <= 13
+            using OptimizationLevel = typename PassBuilder::OptimizationLevel;
+    #endif
+            PB.registerOptimizerLastEPCallback(
+                [](ModulePassManager &MPM, OptimizationLevel OL) {
+
+                  MPM.addPass(CompareTransform());
+
+                });
+
+  /* TODO LTO registration */
+  #else
+            using PipelineElement = typename PassBuilder::PipelineElement;
+            PB.registerPipelineParsingCallback([](StringRef          Name,
+                                                  ModulePassManager &MPM,
+                                                  ArrayRef<PipelineElement>) {
+
+              if (Name == "comparetransform") {
+
+                MPM.addPass(CompareTransform());
+                return true;
+
+              } else {
+
+                return false;
+
+              }
+
+            });
+
+  #endif
+
+          }};
+
+}
+
+#else
 char CompareTransform::ID = 0;
+#endif
 
 bool CompareTransform::transformCmps(Module &M, const bool processStrcmp,
                                      const bool processMemcmp,
@@ -385,6 +450,7 @@ bool CompareTransform::transformCmps(Module &M, const bool processStrcmp,
     bool        isCaseInsensitive = false;
     bool        needs_null = false;
     Function *  Callee = callInst->getCalledFunction();
+
     if (Callee) {
 
       if (!Callee->getName().compare("memcmp") ||
@@ -642,8 +708,14 @@ bool CompareTransform::transformCmps(Module &M, const bool processStrcmp,
 
 }
 
+#if LLVM_MAJOR >= 11                                /* use new pass manager */
+PreservedAnalyses CompareTransform::run(Module &M, ModuleAnalysisManager &MAM) {
+
+#else
 bool CompareTransform::runOnModule(Module &M) {
 
+#endif
+
   if ((isatty(2) && getenv("AFL_QUIET") == NULL) || getenv("AFL_DEBUG") != NULL)
     printf(
         "Running compare-transform-pass by laf.intel@gmail.com, extended by "
@@ -651,13 +723,28 @@ bool CompareTransform::runOnModule(Module &M) {
   else
     be_quiet = 1;
 
+#if LLVM_MAJOR >= 11                                /* use new pass manager */
+  auto PA = PreservedAnalyses::all();
+#endif
+
   transformCmps(M, true, true, true, true, true);
   verifyModule(M);
 
+#if LLVM_MAJOR >= 11                                /* use new pass manager */
+                     /*  if (modified) {
+                   
+                         PA.abandon<XX_Manager>();
+                   
+                       }*/
+
+  return PA;
+#else
   return true;
+#endif
 
 }
 
+#if LLVM_MAJOR < 11                                 /* use old pass manager */
 static void registerCompTransPass(const PassManagerBuilder &,
                                   legacy::PassManagerBase &PM) {
 
@@ -672,8 +759,9 @@ static RegisterStandardPasses RegisterCompTransPass(
 static RegisterStandardPasses RegisterCompTransPass0(
     PassManagerBuilder::EP_EnabledOnOptLevel0, registerCompTransPass);
 
-#if LLVM_VERSION_MAJOR >= 11
+  #if LLVM_VERSION_MAJOR >= 11
 static RegisterStandardPasses RegisterCompTransPassLTO(
     PassManagerBuilder::EP_FullLinkTimeOptimizationLast, registerCompTransPass);
+  #endif
 #endif
 
diff --git a/instrumentation/split-compares-pass.so.cc b/instrumentation/split-compares-pass.so.cc
index 0f00fa96..d7bb7aba 100644
--- a/instrumentation/split-compares-pass.so.cc
+++ b/instrumentation/split-compares-pass.so.cc
@@ -1,6 +1,7 @@
 /*
  * Copyright 2016 laf-intel
  * extended for floating point by Heiko Eißfeldt
+ * adapted to new pass manager by Heiko Eißfeldt
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -28,10 +29,20 @@
 
 #include "llvm/Pass.h"
 #include "llvm/Support/raw_ostream.h"
-#include "llvm/IR/LegacyPassManager.h"
-#include "llvm/Transforms/IPO/PassManagerBuilder.h"
+
+#if LLVM_MAJOR >= 11
+  #include "llvm/Passes/PassPlugin.h"
+  #include "llvm/Passes/PassBuilder.h"
+  #include "llvm/IR/PassManager.h"
+#else
+  #include "llvm/IR/LegacyPassManager.h"
+  #include "llvm/Transforms/IPO/PassManagerBuilder.h"
+#endif
 #include "llvm/Transforms/Utils/BasicBlockUtils.h"
 #include "llvm/IR/Module.h"
+#if LLVM_VERSION_MAJOR >= 14                /* how about stable interfaces? */
+  #include "llvm/Passes/OptimizationLevel.h"
+#endif
 
 #include "llvm/IR/IRBuilder.h"
 #if LLVM_VERSION_MAJOR >= 4 || \
@@ -53,27 +64,31 @@ using namespace llvm;
 
 namespace {
 
+#if LLVM_MAJOR >= 11
+class SplitComparesTransform : public PassInfoMixin<SplitComparesTransform> {
+
+ public:
+  //  static char ID;
+  SplitComparesTransform() : enableFPSplit(0) {
+
+#else
 class SplitComparesTransform : public ModulePass {
 
  public:
   static char ID;
   SplitComparesTransform() : ModulePass(ID), enableFPSplit(0) {
 
+#endif
+
     initInstrumentList();
 
   }
 
-  bool runOnModule(Module &M) override;
-#if LLVM_VERSION_MAJOR >= 4
-  StringRef getPassName() const override {
-
+#if LLVM_MAJOR >= 11
+  PreservedAnalyses run(Module &M, ModuleAnalysisManager &MAM);
 #else
-  const char *getPassName() const override {
-
+  bool runOnModule(Module &M) override;
 #endif
-    return "AFL_SplitComparesTransform";
-
-  }
 
  private:
   int enableFPSplit;
@@ -162,7 +177,54 @@ class SplitComparesTransform : public ModulePass {
 
 }  // namespace
 
+#if LLVM_MAJOR >= 11
+extern "C" ::llvm::PassPluginLibraryInfo LLVM_ATTRIBUTE_WEAK
+llvmGetPassPluginInfo() {
+
+  return {LLVM_PLUGIN_API_VERSION, "splitcompares", "v0.1",
+          /* lambda to insert our pass into the pass pipeline. */
+          [](PassBuilder &PB) {
+
+  #if 1
+    #if LLVM_VERSION_MAJOR <= 13
+            using OptimizationLevel = typename PassBuilder::OptimizationLevel;
+    #endif
+            PB.registerOptimizerLastEPCallback(
+                [](ModulePassManager &MPM, OptimizationLevel OL) {
+
+                  MPM.addPass(SplitComparesTransform());
+
+                });
+
+  /* TODO LTO registration */
+  #else
+            using PipelineElement = typename PassBuilder::PipelineElement;
+            PB.registerPipelineParsingCallback([](StringRef          Name,
+                                                  ModulePassManager &MPM,
+                                                  ArrayRef<PipelineElement>) {
+
+              if (Name == "splitcompares") {
+
+                MPM.addPass(SplitComparesTransform());
+                return true;
+
+              } else {
+
+                return false;
+
+              }
+
+            });
+
+  #endif
+
+          }};
+
+}
+
+#else
 char SplitComparesTransform::ID = 0;
+#endif
 
 /// This function splits FCMP instructions with xGE or xLE predicates into two
 /// FCMP instructions with predicate xGT or xLT and EQ
@@ -1421,8 +1483,15 @@ size_t SplitComparesTransform::splitFPCompares(Module &M) {
 
 }
 
+#if LLVM_MAJOR >= 11
+PreservedAnalyses SplitComparesTransform::run(Module &               M,
+                                              ModuleAnalysisManager &MAM) {
+
+#else
 bool SplitComparesTransform::runOnModule(Module &M) {
 
+#endif
+
   char *bitw_env = getenv("AFL_LLVM_LAF_SPLIT_COMPARES_BITW");
   if (!bitw_env) bitw_env = getenv("LAF_SPLIT_COMPARES_BITW");
   if (bitw_env) { target_bitwidth = atoi(bitw_env); }
@@ -1432,7 +1501,7 @@ bool SplitComparesTransform::runOnModule(Module &M) {
   if ((isatty(2) && getenv("AFL_QUIET") == NULL) ||
       getenv("AFL_DEBUG") != NULL) {
 
-    errs() << "Split-compare-pass by laf.intel@gmail.com, extended by "
+    errs() << "Split-compare-newpass by laf.intel@gmail.com, extended by "
               "heiko@hexco.de (splitting icmp to "
            << target_bitwidth << " bit)\n";
 
@@ -1444,6 +1513,10 @@ bool SplitComparesTransform::runOnModule(Module &M) {
 
   }
 
+#if LLVM_MAJOR >= 11
+  auto PA = PreservedAnalyses::all();
+#endif
+
   if (enableFPSplit) {
 
     simplifyFPCompares(M);
@@ -1473,7 +1546,16 @@ bool SplitComparesTransform::runOnModule(Module &M) {
 
           auto op0 = CI->getOperand(0);
           auto op1 = CI->getOperand(1);
-          if (!op0 || !op1) { return false; }
+          if (!op0 || !op1) {
+
+#if LLVM_MAJOR >= 11
+            return PA;
+#else
+            return false;
+#endif
+
+          }
+
           auto iTy1 = dyn_cast<IntegerType>(op0->getType());
           if (iTy1 && isa<IntegerType>(op1->getType())) {
 
@@ -1522,10 +1604,29 @@ bool SplitComparesTransform::runOnModule(Module &M) {
 
   }
 
+  if ((isatty(2) && getenv("AFL_QUIET") == NULL) ||
+      getenv("AFL_DEBUG") != NULL) {
+
+    errs() << count << " comparisons found\n";
+
+  }
+
+#if LLVM_MAJOR >= 11
+  /*  if (modified) {
+
+      PA.abandon<XX_Manager>();
+
+    }*/
+
+  return PA;
+#else
   return true;
+#endif
 
 }
 
+#if LLVM_MAJOR < 11                                 /* use old pass manager */
+
 static void registerSplitComparesPass(const PassManagerBuilder &,
                                       legacy::PassManagerBase &PM) {
 
@@ -1539,14 +1640,15 @@ static RegisterStandardPasses RegisterSplitComparesPass(
 static RegisterStandardPasses RegisterSplitComparesTransPass0(
     PassManagerBuilder::EP_EnabledOnOptLevel0, registerSplitComparesPass);
 
-#if LLVM_VERSION_MAJOR >= 11
+  #if LLVM_VERSION_MAJOR >= 11
 static RegisterStandardPasses RegisterSplitComparesTransPassLTO(
     PassManagerBuilder::EP_FullLinkTimeOptimizationLast,
     registerSplitComparesPass);
-#endif
+  #endif
 
 static RegisterPass<SplitComparesTransform> X("splitcompares",
                                               "AFL++ split compares",
                                               true /* Only looks at CFG */,
                                               true /* Analysis Pass */);
+#endif
 
diff --git a/instrumentation/split-switches-pass.so.cc b/instrumentation/split-switches-pass.so.cc
index 9f9e7eca..96e01a8b 100644
--- a/instrumentation/split-switches-pass.so.cc
+++ b/instrumentation/split-switches-pass.so.cc
@@ -27,14 +27,23 @@
 
 #include "llvm/ADT/Statistic.h"
 #include "llvm/IR/IRBuilder.h"
-#include "llvm/IR/LegacyPassManager.h"
+#if LLVM_VERSION_MAJOR >= 11                        /* use new pass manager */
+  #include "llvm/Passes/PassPlugin.h"
+  #include "llvm/Passes/PassBuilder.h"
+  #include "llvm/IR/PassManager.h"
+#else
+  #include "llvm/IR/LegacyPassManager.h"
+  #include "llvm/Transforms/IPO/PassManagerBuilder.h"
+#endif
 #include "llvm/IR/Module.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
-#include "llvm/Transforms/IPO/PassManagerBuilder.h"
 #include "llvm/Transforms/Utils/BasicBlockUtils.h"
 #include "llvm/Pass.h"
 #include "llvm/Analysis/ValueTracking.h"
+#if LLVM_VERSION_MAJOR >= 14                /* how about stable interfaces? */
+  #include "llvm/Passes/OptimizationLevel.h"
+#endif
 
 #include "llvm/IR/IRBuilder.h"
 #if LLVM_VERSION_MAJOR >= 4 || \
@@ -54,29 +63,42 @@ using namespace llvm;
 
 namespace {
 
+#if LLVM_VERSION_MAJOR >= 11                        /* use new pass manager */
+class SplitSwitchesTransform : public PassInfoMixin<SplitSwitchesTransform> {
+
+ public:
+  SplitSwitchesTransform() {
+
+#else
 class SplitSwitchesTransform : public ModulePass {
 
  public:
   static char ID;
   SplitSwitchesTransform() : ModulePass(ID) {
 
+#endif
     initInstrumentList();
 
   }
 
-  bool runOnModule(Module &M) override;
+#if LLVM_VERSION_MAJOR >= 11                        /* use new pass manager */
+  PreservedAnalyses run(Module &M, ModuleAnalysisManager &MAM);
+#else
+  bool      runOnModule(Module &M) override;
 
-#if LLVM_VERSION_MAJOR >= 4
+  #if LLVM_VERSION_MAJOR >= 4
   StringRef getPassName() const override {
 
-#else
+  #else
   const char *getPassName() const override {
 
-#endif
+  #endif
     return "splits switch constructs";
 
   }
 
+#endif
+
   struct CaseExpr {
 
     ConstantInt *Val;
@@ -103,7 +125,54 @@ class SplitSwitchesTransform : public ModulePass {
 
 }  // namespace
 
+#if LLVM_VERSION_MAJOR >= 11                        /* use new pass manager */
+extern "C" ::llvm::PassPluginLibraryInfo LLVM_ATTRIBUTE_WEAK
+llvmGetPassPluginInfo() {
+
+  return {LLVM_PLUGIN_API_VERSION, "splitswitches", "v0.1",
+          /* lambda to insert our pass into the pass pipeline. */
+          [](PassBuilder &PB) {
+
+  #if 1
+    #if LLVM_VERSION_MAJOR <= 13
+            using OptimizationLevel = typename PassBuilder::OptimizationLevel;
+    #endif
+            PB.registerOptimizerLastEPCallback(
+                [](ModulePassManager &MPM, OptimizationLevel OL) {
+
+                  MPM.addPass(SplitSwitchesTransform());
+
+                });
+
+  /* TODO LTO registration */
+  #else
+            using PipelineElement = typename PassBuilder::PipelineElement;
+            PB.registerPipelineParsingCallback([](StringRef          Name,
+                                                  ModulePassManager &MPM,
+                                                  ArrayRef<PipelineElement>) {
+
+              if (Name == "splitswitches") {
+
+                MPM.addPass(SplitSwitchesTransform());
+                return true;
+
+              } else {
+
+                return false;
+
+              }
+
+            });
+
+  #endif
+
+          }};
+
+}
+
+#else
 char SplitSwitchesTransform::ID = 0;
+#endif
 
 /* switchConvert - Transform simple list of Cases into list of CaseRange's */
 BasicBlock *SplitSwitchesTransform::switchConvert(
@@ -413,19 +482,42 @@ bool SplitSwitchesTransform::splitSwitches(Module &M) {
 
 }
 
+#if LLVM_VERSION_MAJOR >= 11                        /* use new pass manager */
+PreservedAnalyses SplitSwitchesTransform::run(Module &               M,
+                                              ModuleAnalysisManager &MAM) {
+
+#else
 bool SplitSwitchesTransform::runOnModule(Module &M) {
 
+#endif
+
   if ((isatty(2) && getenv("AFL_QUIET") == NULL) || getenv("AFL_DEBUG") != NULL)
     printf("Running split-switches-pass by laf.intel@gmail.com\n");
   else
     be_quiet = 1;
+
+#if LLVM_VERSION_MAJOR >= 11                        /* use new pass manager */
+  auto PA = PreservedAnalyses::all();
+#endif
+
   splitSwitches(M);
   verifyModule(M);
 
+#if LLVM_VERSION_MAJOR >= 11                        /* use new pass manager */
+                             /*  if (modified) {
+                           
+                                 PA.abandon<XX_Manager>();
+                           
+                               }*/
+
+  return PA;
+#else
   return true;
+#endif
 
 }
 
+#if LLVM_VERSION_MAJOR < 11                         /* use old pass manager */
 static void registerSplitSwitchesTransPass(const PassManagerBuilder &,
                                            legacy::PassManagerBase &PM) {
 
@@ -440,9 +532,10 @@ static RegisterStandardPasses RegisterSplitSwitchesTransPass(
 static RegisterStandardPasses RegisterSplitSwitchesTransPass0(
     PassManagerBuilder::EP_EnabledOnOptLevel0, registerSplitSwitchesTransPass);
 
-#if LLVM_VERSION_MAJOR >= 11
+  #if LLVM_VERSION_MAJOR >= 11
 static RegisterStandardPasses RegisterSplitSwitchesTransPassLTO(
     PassManagerBuilder::EP_FullLinkTimeOptimizationLast,
     registerSplitSwitchesTransPass);
+  #endif
 #endif
 
diff --git a/src/afl-cc.c b/src/afl-cc.c
index ed57ca1e..8fe0d35d 100644
--- a/src/afl-cc.c
+++ b/src/afl-cc.c
@@ -462,11 +462,17 @@ static void edit_params(u32 argc, char **argv, char **envp) {
 
       } else {
 
+#if LLVM_MAJOR >= 11                        /* use new pass manager */
+        cc_params[cc_par_cnt++] = "-fexperimental-new-pass-manager";
+        cc_params[cc_par_cnt++] =
+            alloc_printf("-fpass-plugin=%s/split-switches-pass.so", obj_path);
+#else
         cc_params[cc_par_cnt++] = "-Xclang";
         cc_params[cc_par_cnt++] = "-load";
         cc_params[cc_par_cnt++] = "-Xclang";
         cc_params[cc_par_cnt++] =
             alloc_printf("%s/split-switches-pass.so", obj_path);
+#endif
 
       }
 
@@ -482,11 +488,17 @@ static void edit_params(u32 argc, char **argv, char **envp) {
 
       } else {
 
+#if LLVM_MAJOR >= 11                        /* use new pass manager */
+        cc_params[cc_par_cnt++] = "-fexperimental-new-pass-manager";
+        cc_params[cc_par_cnt++] = alloc_printf(
+            "-fpass-plugin=%s/compare-transform-pass.so", obj_path);
+#else
         cc_params[cc_par_cnt++] = "-Xclang";
         cc_params[cc_par_cnt++] = "-load";
         cc_params[cc_par_cnt++] = "-Xclang";
         cc_params[cc_par_cnt++] =
             alloc_printf("%s/compare-transform-pass.so", obj_path);
+#endif
 
       }
 
@@ -502,11 +514,18 @@ static void edit_params(u32 argc, char **argv, char **envp) {
 
       } else {
 
+#if LLVM_MAJOR >= 11
+        cc_params[cc_par_cnt++] = "-fexperimental-new-pass-manager";
+        cc_params[cc_par_cnt++] =
+            alloc_printf("-fpass-plugin=%s/split-compares-pass.so", obj_path);
+//        cc_params[cc_par_cnt++] = "-fno-experimental-new-pass-manager";
+#else
         cc_params[cc_par_cnt++] = "-Xclang";
         cc_params[cc_par_cnt++] = "-load";
         cc_params[cc_par_cnt++] = "-Xclang";
         cc_params[cc_par_cnt++] =
             alloc_printf("%s/split-compares-pass.so", obj_path);
+#endif
 
       }
 
@@ -536,11 +555,17 @@ static void edit_params(u32 argc, char **argv, char **envp) {
             alloc_printf("%s/cmplog-switches-pass.so", obj_path);
 
         // reuse split switches from laf
+#if LLVM_MAJOR >= 11
+        cc_params[cc_par_cnt++] = "-fexperimental-new-pass-manager";
+        cc_params[cc_par_cnt++] =
+            alloc_printf("-fpass-plugin=%s/split-switches-pass.so", obj_path);
+#else
         cc_params[cc_par_cnt++] = "-Xclang";
         cc_params[cc_par_cnt++] = "-load";
         cc_params[cc_par_cnt++] = "-Xclang";
         cc_params[cc_par_cnt++] =
             alloc_printf("%s/split-switches-pass.so", obj_path);
+#endif
 
       }
 
@@ -548,10 +573,6 @@ static void edit_params(u32 argc, char **argv, char **envp) {
 
     }
 
-#if LLVM_MAJOR >= 13
-    // fuck you llvm 13
-    cc_params[cc_par_cnt++] = "-fno-experimental-new-pass-manager";
-#endif
 
     if (lto_mode && !have_c) {
 
@@ -601,6 +622,7 @@ static void edit_params(u32 argc, char **argv, char **envp) {
 
         } else {
 
+    cc_params[cc_par_cnt++] = "-fno-experimental-new-pass-manager";
           cc_params[cc_par_cnt++] = "-Xclang";
           cc_params[cc_par_cnt++] = "-load";
           cc_params[cc_par_cnt++] = "-Xclang";
@@ -633,10 +655,16 @@ static void edit_params(u32 argc, char **argv, char **envp) {
 
       } else {
 
+#if LLVM_MAJOR >= 11
+        cc_params[cc_par_cnt++] = "-fexperimental-new-pass-manager";
+        cc_params[cc_par_cnt++] =
+            alloc_printf("-fpass-plugin=%s/afl-llvm-pass.so", obj_path);
+#else
         cc_params[cc_par_cnt++] = "-Xclang";
         cc_params[cc_par_cnt++] = "-load";
         cc_params[cc_par_cnt++] = "-Xclang";
         cc_params[cc_par_cnt++] = alloc_printf("%s/afl-llvm-pass.so", obj_path);
+#endif
 
       }
 
@@ -653,11 +681,17 @@ static void edit_params(u32 argc, char **argv, char **envp) {
 
       } else {
 
+#if LLVM_MAJOR >= 11
+        cc_params[cc_par_cnt++] = "-fexperimental-new-pass-manager";
+        cc_params[cc_par_cnt++] =
+            alloc_printf("-fpass-plugin=%s/cmplog-instructions-pass.so", obj_path);
+#else
         cc_params[cc_par_cnt++] = "-Xclang";
         cc_params[cc_par_cnt++] = "-load";
         cc_params[cc_par_cnt++] = "-Xclang";
         cc_params[cc_par_cnt++] =
             alloc_printf("%s/cmplog-instructions-pass.so", obj_path);
+#endif
 
         cc_params[cc_par_cnt++] = "-Xclang";
         cc_params[cc_par_cnt++] = "-load";