Exemple #1
0
  void Compiler::compile_builder(JITMethodInfo& info,
                                 jit::Builder& work)
  {
    function_ = info.function();

    if(!work.generate_body()) {
      function_ = NULL;
      // This is too noisy to report
      // llvm::outs() << "not supported yet.\n";
      return;
    }

    // Hook up the return pad and return phi.
    work.generate_hard_return();
  }
Exemple #2
0
  void Compiler::compile_builder(jit::Context& ctx, LLVMState* ls, JITMethodInfo& info,
                                     jit::Builder& work)
  {
    llvm::Function* func = info.function();

    if(!work.generate_body()) {
      function_ = NULL;
      // This is too noisy to report
      // llvm::outs() << "not supported yet.\n";
      return;
    }

    // Hook up the return pad and return phi.
    work.generate_hard_return();

    if(ls->jit_dump_code() & cSimple) {
      llvm::outs() << "[[[ LLVM Simple IR ]]]\n";
      llvm::outs() << *func << "\n";
    }

    std::vector<BasicBlock*> to_remove;
    bool Broken = false;
    for(Function::iterator I = func->begin(), E = func->end(); I != E; ++I) {
      if(I->empty()) {
        BasicBlock& bb = *I;
        // No one jumps to it....
        if(llvm::pred_begin(&bb) == llvm::pred_end(&bb)) {
          to_remove.push_back(&bb);
        } else {
          llvm::outs() << "Basic Block is empty and used!\n";
        }
      } else if(!I->back().isTerminator()) {
        llvm::errs() << "Basic Block does not have terminator!\n";
        llvm::errs() << *I << "\n";
        llvm::errs() << "\n";
        Broken = true;
      }
    }

    for(std::vector<BasicBlock*>::iterator i = to_remove.begin();
        i != to_remove.end();
        ++i) {
      (*i)->eraseFromParent();
    }

    if(Broken or llvm::verifyFunction(*func, PrintMessageAction)) {
      llvm::outs() << "ERROR: complication error detected.\n";
      llvm::outs() << "ERROR: Please report the above message and the\n";
      llvm::outs() << "       code below to http://github.com/rubinius/rubinius/issues\n";
      llvm::outs() << *func << "\n";
      function_ = NULL;
      return;
    }

    ls->passes()->run(*func);

    if(ls->jit_dump_code() & cOptimized) {
      llvm::outs() << "[[[ LLVM Optimized IR: "
        << ls->symbol_cstr(info.method()->name()) << " ]]]\n";
      llvm::outs() << *func << "\n";
    }

    function_ = func;

    generate_function(ls);

    // Inject the RuntimeData objects used into the original CompiledMethod
    // Do this way after we've validated the IR so things are consistent.
    ctx.runtime_data_holder()->set_function(func, mci_->address(), mci_->size());

    info.method()->set_jit_data(ctx.runtime_data_holder());
    ls->shared().om->add_code_resource(ctx.runtime_data_holder());

  }