1 files changed, 3 insertions, 67 deletions
diff --git a/instrumentation/afl-llvm-pass.so.cc b/instrumentation/afl-llvm-pass.so.cc
index 41a3e178..21ce0cf9 100644
--- a/instrumentation/afl-llvm-pass.so.cc
+++ b/instrumentation/afl-llvm-pass.so.cc
@@ -45,18 +45,12 @@ typedef long double max_align_t;
 #endif
 
 #include "llvm/IR/IRBuilder.h"
-#if LLVM_VERSION_MAJOR >= 7 /* 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 > 3 || \
     (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR > 4)
@@ -74,26 +68,17 @@ using namespace llvm;
 
 namespace {
 
-#if LLVM_VERSION_MAJOR >= 7 /* 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 >= 7 /* use new pass manager */
-  PreservedAnalyses run(Module &M, ModuleAnalysisManager &MAM);
-#else
   bool runOnModule(Module &M) override;
-#endif
 
  protected:
   uint32_t    ngram_size = 0;
@@ -107,41 +92,7 @@ class AFLCoverage : public ModulePass {
 
 }  // namespace
 
-#if LLVM_VERSION_MAJOR >= 7 /* 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
-       using OptimizationLevel = typename PassBuilder::OptimizationLevel;
-       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 && \
@@ -167,13 +118,7 @@ uint64_t PowerOf2Ceil(unsigned in) {
     (LLVM_VERSION_MAJOR == 4 && LLVM_VERSION_PATCH >= 1)
   #define AFL_HAVE_VECTOR_INTRINSICS 1
 #endif
-
-
-#if LLVM_VERSION_MAJOR >= 7 /* use new pass manager */
-PreservedAnalyses AFLCoverage::run(Module &M, ModuleAnalysisManager &MAM) {
-#else
 bool AFLCoverage::runOnModule(Module &M) {
-#endif
 
   LLVMContext &C = M.getContext();
 
@@ -188,10 +133,6 @@ bool AFLCoverage::runOnModule(Module &M) {
   u32             rand_seed;
   unsigned int    cur_loc = 0;
 
-#if LLVM_VERSION_MAJOR >= 7 /* 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();
@@ -1029,15 +970,10 @@ bool AFLCoverage::runOnModule(Module &M) {
 
   }
 
-#if LLVM_VERSION_MAJOR >= 7 /* use new pass manager */
-  return PA;
-#else
   return true;
-#endif
 
 }
 
-#if LLVM_VERSION_MAJOR < 7 /* use old pass manager */
 static void registerAFLPass(const PassManagerBuilder &,
                             legacy::PassManagerBase &PM) {
 
@@ -1050,4 +986,4 @@ static RegisterStandardPasses RegisterAFLPass(
 
 static RegisterStandardPasses RegisterAFLPass0(
     PassManagerBuilder::EP_EnabledOnOptLevel0, registerAFLPass);
-#endif
+