diff options
Diffstat (limited to 'instrumentation/cmplog-switches-pass.cc')
-rw-r--r-- | instrumentation/cmplog-switches-pass.cc | 89 |
1 files changed, 64 insertions, 25 deletions
diff --git a/instrumentation/cmplog-switches-pass.cc b/instrumentation/cmplog-switches-pass.cc index 7c591e13..37bf3889 100644 --- a/instrumentation/cmplog-switches-pass.cc +++ b/instrumentation/cmplog-switches-pass.cc @@ -28,7 +28,14 @@ #include "llvm/Config/llvm-config.h" #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" @@ -37,6 +44,7 @@ #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" @@ -54,29 +62,42 @@ using namespace llvm; namespace { -class CmpLogInstructions : public ModulePass { +#if LLVM_VERSION_MAJOR >= 11 /* use new pass manager */ +class CmplogSwitches : public PassInfoMixin<CmplogSwitches> { + + public: + CmplogSwitches() { + +#else +class CmplogSwitches : public ModulePass { public: static char ID; - CmpLogInstructions() : ModulePass(ID) { + CmplogSwitches() : 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 const char *getPassName() const override { -#else + #else StringRef getPassName() const override { -#endif - return "cmplog instructions"; + #endif + return "cmplog switch split"; } +#endif + private: bool hookInstrs(Module &M); @@ -84,27 +105,30 @@ class CmpLogInstructions : 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, "cmplogswitches", "v0.1", /* lambda to insert our pass into the pass pipeline. */ [](PassBuilder &PB) { -#if LLVM_VERSION_MAJOR <= 13 + #if LLVM_VERSION_MAJOR <= 13 using OptimizationLevel = typename PassBuilder::OptimizationLevel; -#endif + #endif PB.registerOptimizerLastEPCallback( [](ModulePassManager &MPM, OptimizationLevel OL) { - MPM.addPass(SplitComparesTransform()); + MPM.addPass(CmplogSwitches()); }); + }}; } + #else -char CmpLogInstructions::ID = 0; +char CmplogSwitches::ID = 0; #endif template <class Iterator> @@ -122,7 +146,7 @@ Iterator Unique(Iterator first, Iterator last) { } -bool CmpLogInstructions::hookInstrs(Module &M) { +bool CmplogSwitches::hookInstrs(Module &M) { std::vector<SwitchInst *> switches; LLVMContext & C = M.getContext(); @@ -404,36 +428,51 @@ bool CmpLogInstructions::hookInstrs(Module &M) { } -bool CmpLogInstructions::runOnModule(Module &M) { +#if LLVM_VERSION_MAJOR >= 11 /* use new pass manager */ +PreservedAnalyses CmplogSwitches::run(Module &M, ModuleAnalysisManager &MAM) { + +#else +bool CmplogSwitches::runOnModule(Module &M) { + +#endif if (getenv("AFL_QUIET") == NULL) printf("Running cmplog-switches-pass by andreafioraldi@gmail.com\n"); else be_quiet = 1; hookInstrs(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 } -static void registerCmpLogInstructionsPass(const PassManagerBuilder &, - legacy::PassManagerBase &PM) { +#if LLVM_VERSION_MAJOR < 11 /* use old pass manager */ +static void registerCmplogSwitchesPass(const PassManagerBuilder &, + legacy::PassManagerBase &PM) { - auto p = new CmpLogInstructions(); + auto p = new CmplogSwitches(); PM.add(p); } -static RegisterStandardPasses RegisterCmpLogInstructionsPass( - PassManagerBuilder::EP_OptimizerLast, registerCmpLogInstructionsPass); +static RegisterStandardPasses RegisterCmplogSwitchesPass( + PassManagerBuilder::EP_OptimizerLast, registerCmplogSwitchesPass); -static RegisterStandardPasses RegisterCmpLogInstructionsPass0( - PassManagerBuilder::EP_EnabledOnOptLevel0, registerCmpLogInstructionsPass); +static RegisterStandardPasses RegisterCmplogSwitchesPass0( + PassManagerBuilder::EP_EnabledOnOptLevel0, registerCmplogSwitchesPass); -#if LLVM_VERSION_MAJOR >= 11 -static RegisterStandardPasses RegisterCmpLogInstructionsPassLTO( + #if LLVM_VERSION_MAJOR >= 11 +static RegisterStandardPasses RegisterCmplogSwitchesPassLTO( PassManagerBuilder::EP_FullLinkTimeOptimizationLast, - registerCmpLogInstructionsPass); + registerCmplogSwitchesPass); + #endif #endif |