ported cmplog-routines-pass

1 files changed, 46 insertions, 8 deletions

diff --git a/instrumentation/cmplog-routines-pass.cc b/instrumentation/cmplog-routines-pass.cc
index d146dfa3..8205cfb0 100644
--- a/instrumentation/cmplog-routines-pass.cc
+++ b/instrumentation/cmplog-routines-pass.cc
@@ -27,7 +27,14 @@
 
 #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"
@@ -36,6 +43,7 @@
 #include "llvm/Pass.h"
 #include "llvm/Analysis/ValueTracking.h"
 
+#include "llvm/IR/IRBuilder.h"
 #if LLVM_VERSION_MAJOR >= 4 || \
     (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR > 4)
   #include "llvm/IR/Verifier.h"
@@ -53,29 +61,43 @@ using namespace llvm;
 
 namespace {
 
+#if LLVM_VERSION_MAJOR >= 11                        /* use new pass manager */
+class CmpLogRoutines : public PassInfoMixin<CmpLogRoutines> {
+
+ public:
+  CmpLogRoutines() {
+
+#else
 class CmpLogRoutines : public ModulePass {
 
  public:
   static char ID;
   CmpLogRoutines() : 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 "cmplog routines";
 
   }
 
+#endif
+
  private:
   bool hookRtns(Module &M);
 
@@ -83,7 +105,8 @@ class CmpLogRoutines : public ModulePass {
 
 }  // namespace
 
-#if LLVM_MAJOR >= 11 && 1 == 0
+#if LLVM_MAJOR >= 11
+extern "C" ::llvm::PassPluginLibraryInfo LLVM_ATTRIBUTE_WEAK
 llvmGetPassPluginInfo() {
 
   return {LLVM_PLUGIN_API_VERSION, "cmplogroutines", "v0.1",
@@ -96,7 +119,7 @@ llvmGetPassPluginInfo() {
             PB.registerOptimizerLastEPCallback(
                 [](ModulePassManager &MPM, OptimizationLevel OL) {
 
-                  MPM.addPass(SplitComparesTransform());
+                  MPM.addPass(CmpLogRoutines());
 
                 });
 
@@ -720,19 +743,33 @@ bool CmpLogRoutines::hookRtns(Module &M) {
 
 }
 
+#if LLVM_VERSION_MAJOR >= 11                        /* use new pass manager */
+PreservedAnalyses CmpLogRoutines::run(Module &M, ModuleAnalysisManager &MAM) {
+
+#else
 bool CmpLogRoutines::runOnModule(Module &M) {
 
+#endif
+
   if (getenv("AFL_QUIET") == NULL)
     printf("Running cmplog-routines-pass by andreafioraldi@gmail.com\n");
   else
     be_quiet = 1;
   hookRtns(M);
+#if LLVM_VERSION_MAJOR >= 11                        /* use new pass manager */
+  auto PA = PreservedAnalyses::all();
+#endif
   verifyModule(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 registerCmpLogRoutinesPass(const PassManagerBuilder &,
                                        legacy::PassManagerBase &PM) {
 
@@ -747,9 +784,10 @@ static RegisterStandardPasses RegisterCmpLogRoutinesPass(
 static RegisterStandardPasses RegisterCmpLogRoutinesPass0(
     PassManagerBuilder::EP_EnabledOnOptLevel0, registerCmpLogRoutinesPass);
 
-#if LLVM_VERSION_MAJOR >= 11
+  #if LLVM_VERSION_MAJOR >= 11
 static RegisterStandardPasses RegisterCmpLogRoutinesPassLTO(
     PassManagerBuilder::EP_FullLinkTimeOptimizationLast,
     registerCmpLogRoutinesPass);
+  #endif
 #endif