コード例 #1
0
ファイル: LLVM_Output.cpp プロジェクト: delcypher/Halide
void emit_file(llvm::Module *module, const std::string &filename, llvm::TargetMachine::CodeGenFileType file_type) {
#if LLVM_VERSION < 37
    emit_file_legacy(module, filename, file_type);
#else
    Internal::debug(1) << "emit_file.Compiling to native code...\n";
    Internal::debug(2) << "Target triple: " << module->getTargetTriple() << "\n";

    // Get the target specific parser.
    llvm::TargetMachine *target_machine = get_target_machine(module);
    internal_assert(target_machine) << "Could not allocate target machine!\n";

    #if LLVM_VERSION == 37
        llvm::DataLayout target_data_layout(*(target_machine->getDataLayout()));
    #else
        llvm::DataLayout target_data_layout(target_machine->createDataLayout());
    #endif
    if (!(target_data_layout == module->getDataLayout())) {
        // This *might* be indicative on a bug elsewhere, but might
        // also be fine. It depends on what the differences are
        // precisely. Notify when in debug mode.
        Internal::debug(1) << "Warning: module's data layout does not match target machine's\n"
                           << target_data_layout.getStringRepresentation() << "\n"
                           << module->getDataLayout().getStringRepresentation() << "\n";
        module->setDataLayout(target_data_layout);
    }

    std::unique_ptr<llvm::raw_fd_ostream> out(new_raw_fd_ostream(filename));

    // Build up all of the passes that we want to do to the module.
    llvm::legacy::PassManager pass_manager;

    pass_manager.add(new llvm::TargetLibraryInfoWrapperPass(llvm::Triple(module->getTargetTriple())));

    // Make sure things marked as always-inline get inlined
    pass_manager.add(llvm::createAlwaysInlinerPass());

    // Override default to generate verbose assembly.
    target_machine->Options.MCOptions.AsmVerbose = true;

    // Ask the target to add backend passes as necessary.
    target_machine->addPassesToEmitFile(pass_manager, *out, file_type);

    pass_manager.run(*module);

    delete target_machine;
#endif
}
コード例 #2
0
ファイル: LLVM_Output.cpp プロジェクト: alinas/Halide
void emit_file(llvm::Module &module, Internal::LLVMOStream& out, llvm::TargetMachine::CodeGenFileType file_type) {
    Internal::debug(1) << "emit_file.Compiling to native code...\n";
    Internal::debug(2) << "Target triple: " << module.getTargetTriple() << "\n";

    // Get the target specific parser.
    auto target_machine = Internal::make_target_machine(module);
    internal_assert(target_machine.get()) << "Could not allocate target machine!\n";

    #if LLVM_VERSION == 37
    llvm::DataLayout target_data_layout(*(target_machine->getDataLayout()));
    #else
    llvm::DataLayout target_data_layout(target_machine->createDataLayout());
    #endif
    if (!(target_data_layout == module.getDataLayout())) {
        internal_error << "Warning: module's data layout does not match target machine's\n"
                       << target_data_layout.getStringRepresentation() << "\n"
                       << module.getDataLayout().getStringRepresentation() << "\n";
    }

    // Build up all of the passes that we want to do to the module.
    llvm::legacy::PassManager pass_manager;

    pass_manager.add(new llvm::TargetLibraryInfoWrapperPass(llvm::Triple(module.getTargetTriple())));

    // Make sure things marked as always-inline get inlined
    #if LLVM_VERSION < 40
    pass_manager.add(llvm::createAlwaysInlinerPass());
    #else
    pass_manager.add(llvm::createAlwaysInlinerLegacyPass());
    #endif

    // Enable symbol rewriting. This allows code outside libHalide to
    // use symbol rewriting when compiling Halide code (for example, by
    // using cl::ParseCommandLineOption and then passing the appropriate
    // rewrite options via -mllvm flags).
    pass_manager.add(llvm::createRewriteSymbolsPass());

    // Override default to generate verbose assembly.
    target_machine->Options.MCOptions.AsmVerbose = true;

    // Ask the target to add backend passes as necessary.
    target_machine->addPassesToEmitFile(pass_manager, out, file_type);

    pass_manager.run(module);
}
コード例 #3
0
ファイル: LLVM_Output.cpp プロジェクト: HalideStar/Halide
void emit_file(llvm::Module &module, Internal::LLVMOStream& out, llvm::TargetMachine::CodeGenFileType file_type) {
#if LLVM_VERSION < 37
    emit_file_legacy(module, out, file_type);
#else
    Internal::debug(1) << "emit_file.Compiling to native code...\n";
    Internal::debug(2) << "Target triple: " << module.getTargetTriple() << "\n";

    // Get the target specific parser.
    auto target_machine = Internal::make_target_machine(module);
    internal_assert(target_machine.get()) << "Could not allocate target machine!\n";

    #if LLVM_VERSION == 37
    llvm::DataLayout target_data_layout(*(target_machine->getDataLayout()));
    #else
    llvm::DataLayout target_data_layout(target_machine->createDataLayout());
    #endif
    if (!(target_data_layout == module.getDataLayout())) {
        internal_error << "Warning: module's data layout does not match target machine's\n"
                       << target_data_layout.getStringRepresentation() << "\n"
                       << module.getDataLayout().getStringRepresentation() << "\n";
    }

    // Build up all of the passes that we want to do to the module.
    llvm::legacy::PassManager pass_manager;

    pass_manager.add(new llvm::TargetLibraryInfoWrapperPass(llvm::Triple(module.getTargetTriple())));

    // Make sure things marked as always-inline get inlined
    pass_manager.add(llvm::createAlwaysInlinerPass());

    // Override default to generate verbose assembly.
    target_machine->Options.MCOptions.AsmVerbose = true;

    // Ask the target to add backend passes as necessary.
    target_machine->addPassesToEmitFile(pass_manager, out, file_type);

    pass_manager.run(module);
#endif
}