| //===- CompilerInvocation.cpp ---------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Coding style: https://mlir.llvm.org/getting_started/DeveloperGuide/ |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "flang/Frontend/CompilerInvocation.h" |
| #include "flang/Common/Fortran-features.h" |
| #include "flang/Common/OpenMP-features.h" |
| #include "flang/Common/Version.h" |
| #include "flang/Frontend/CodeGenOptions.h" |
| #include "flang/Frontend/PreprocessorOptions.h" |
| #include "flang/Frontend/TargetOptions.h" |
| #include "flang/Semantics/semantics.h" |
| #include "flang/Tools/TargetSetup.h" |
| #include "flang/Version.inc" |
| #include "clang/Basic/AllDiagnostics.h" |
| #include "clang/Basic/DiagnosticDriver.h" |
| #include "clang/Basic/DiagnosticOptions.h" |
| #include "clang/Driver/DriverDiagnostic.h" |
| #include "clang/Driver/OptionUtils.h" |
| #include "clang/Driver/Options.h" |
| #include "llvm/ADT/StringRef.h" |
| #include "llvm/ADT/StringSwitch.h" |
| #include "llvm/Frontend/Debug/Options.h" |
| #include "llvm/Option/Arg.h" |
| #include "llvm/Option/ArgList.h" |
| #include "llvm/Option/OptTable.h" |
| #include "llvm/Support/FileSystem.h" |
| #include "llvm/Support/FileUtilities.h" |
| #include "llvm/Support/Path.h" |
| #include "llvm/Support/Process.h" |
| #include "llvm/Support/raw_ostream.h" |
| #include "llvm/TargetParser/Host.h" |
| #include "llvm/TargetParser/Triple.h" |
| #include <cstdlib> |
| #include <memory> |
| #include <optional> |
| |
| using namespace Fortran::frontend; |
| |
| //===----------------------------------------------------------------------===// |
| // Initialization. |
| //===----------------------------------------------------------------------===// |
| CompilerInvocationBase::CompilerInvocationBase() |
| : diagnosticOpts(new clang::DiagnosticOptions()), |
| preprocessorOpts(new PreprocessorOptions()) {} |
| |
| CompilerInvocationBase::CompilerInvocationBase(const CompilerInvocationBase &x) |
| : diagnosticOpts(new clang::DiagnosticOptions(x.getDiagnosticOpts())), |
| preprocessorOpts(new PreprocessorOptions(x.getPreprocessorOpts())) {} |
| |
| CompilerInvocationBase::~CompilerInvocationBase() = default; |
| |
| //===----------------------------------------------------------------------===// |
| // Deserialization (from args) |
| //===----------------------------------------------------------------------===// |
| static bool parseShowColorsArgs(const llvm::opt::ArgList &args, |
| bool defaultColor = true) { |
| // Color diagnostics default to auto ("on" if terminal supports) in the |
| // compiler driver `flang-new` but default to off in the frontend driver |
| // `flang-new -fc1`, needing an explicit OPT_fdiagnostics_color. |
| // Support both clang's -f[no-]color-diagnostics and gcc's |
| // -f[no-]diagnostics-colors[=never|always|auto]. |
| enum { |
| Colors_On, |
| Colors_Off, |
| Colors_Auto |
| } showColors = defaultColor ? Colors_Auto : Colors_Off; |
| |
| for (auto *a : args) { |
| const llvm::opt::Option &opt = a->getOption(); |
| if (opt.matches(clang::driver::options::OPT_fcolor_diagnostics)) { |
| showColors = Colors_On; |
| } else if (opt.matches(clang::driver::options::OPT_fno_color_diagnostics)) { |
| showColors = Colors_Off; |
| } else if (opt.matches(clang::driver::options::OPT_fdiagnostics_color_EQ)) { |
| llvm::StringRef value(a->getValue()); |
| if (value == "always") |
| showColors = Colors_On; |
| else if (value == "never") |
| showColors = Colors_Off; |
| else if (value == "auto") |
| showColors = Colors_Auto; |
| } |
| } |
| |
| return showColors == Colors_On || |
| (showColors == Colors_Auto && |
| llvm::sys::Process::StandardErrHasColors()); |
| } |
| |
| /// Extracts the optimisation level from \a args. |
| static unsigned getOptimizationLevel(llvm::opt::ArgList &args, |
| clang::DiagnosticsEngine &diags) { |
| unsigned defaultOpt = 0; |
| |
| if (llvm::opt::Arg *a = |
| args.getLastArg(clang::driver::options::OPT_O_Group)) { |
| if (a->getOption().matches(clang::driver::options::OPT_O0)) |
| return 0; |
| |
| assert(a->getOption().matches(clang::driver::options::OPT_O)); |
| |
| return getLastArgIntValue(args, clang::driver::options::OPT_O, defaultOpt, |
| diags); |
| } |
| |
| return defaultOpt; |
| } |
| |
| bool Fortran::frontend::parseDiagnosticArgs(clang::DiagnosticOptions &opts, |
| llvm::opt::ArgList &args) { |
| opts.ShowColors = parseShowColorsArgs(args); |
| |
| return true; |
| } |
| |
| static bool parseDebugArgs(Fortran::frontend::CodeGenOptions &opts, |
| llvm::opt::ArgList &args, |
| clang::DiagnosticsEngine &diags) { |
| using DebugInfoKind = llvm::codegenoptions::DebugInfoKind; |
| if (llvm::opt::Arg *arg = |
| args.getLastArg(clang::driver::options::OPT_debug_info_kind_EQ)) { |
| std::optional<DebugInfoKind> val = |
| llvm::StringSwitch<std::optional<DebugInfoKind>>(arg->getValue()) |
| .Case("line-tables-only", llvm::codegenoptions::DebugLineTablesOnly) |
| .Case("line-directives-only", |
| llvm::codegenoptions::DebugDirectivesOnly) |
| .Case("constructor", llvm::codegenoptions::DebugInfoConstructor) |
| .Case("limited", llvm::codegenoptions::LimitedDebugInfo) |
| .Case("standalone", llvm::codegenoptions::FullDebugInfo) |
| .Case("unused-types", llvm::codegenoptions::UnusedTypeInfo) |
| .Default(std::nullopt); |
| if (!val.has_value()) { |
| diags.Report(clang::diag::err_drv_invalid_value) |
| << arg->getAsString(args) << arg->getValue(); |
| return false; |
| } |
| opts.setDebugInfo(val.value()); |
| if (val != llvm::codegenoptions::DebugLineTablesOnly && |
| val != llvm::codegenoptions::FullDebugInfo && |
| val != llvm::codegenoptions::NoDebugInfo) { |
| const auto debugWarning = diags.getCustomDiagID( |
| clang::DiagnosticsEngine::Warning, "Unsupported debug option: %0"); |
| diags.Report(debugWarning) << arg->getValue(); |
| } |
| } |
| return true; |
| } |
| |
| static bool parseVectorLibArg(Fortran::frontend::CodeGenOptions &opts, |
| llvm::opt::ArgList &args, |
| clang::DiagnosticsEngine &diags) { |
| llvm::opt::Arg *arg = args.getLastArg(clang::driver::options::OPT_fveclib); |
| if (!arg) |
| return true; |
| |
| using VectorLibrary = llvm::driver::VectorLibrary; |
| std::optional<VectorLibrary> val = |
| llvm::StringSwitch<std::optional<VectorLibrary>>(arg->getValue()) |
| .Case("Accelerate", VectorLibrary::Accelerate) |
| .Case("LIBMVEC", VectorLibrary::LIBMVEC) |
| .Case("MASSV", VectorLibrary::MASSV) |
| .Case("SVML", VectorLibrary::SVML) |
| .Case("SLEEF", VectorLibrary::SLEEF) |
| .Case("Darwin_libsystem_m", VectorLibrary::Darwin_libsystem_m) |
| .Case("ArmPL", VectorLibrary::ArmPL) |
| .Case("NoLibrary", VectorLibrary::NoLibrary) |
| .Default(std::nullopt); |
| if (!val.has_value()) { |
| diags.Report(clang::diag::err_drv_invalid_value) |
| << arg->getAsString(args) << arg->getValue(); |
| return false; |
| } |
| opts.setVecLib(val.value()); |
| return true; |
| } |
| |
| // Generate an OptRemark object containing info on if the -Rgroup |
| // specified is enabled or not. |
| static CodeGenOptions::OptRemark |
| parseOptimizationRemark(clang::DiagnosticsEngine &diags, |
| llvm::opt::ArgList &args, llvm::opt::OptSpecifier optEq, |
| llvm::StringRef remarkOptName) { |
| assert((remarkOptName == "pass" || remarkOptName == "pass-missed" || |
| remarkOptName == "pass-analysis") && |
| "Unsupported remark option name provided."); |
| CodeGenOptions::OptRemark result; |
| |
| for (llvm::opt::Arg *a : args) { |
| if (a->getOption().matches(clang::driver::options::OPT_R_Joined)) { |
| llvm::StringRef value = a->getValue(); |
| |
| if (value == remarkOptName) { |
| result.Kind = CodeGenOptions::RemarkKind::RK_Enabled; |
| // Enable everything |
| result.Pattern = ".*"; |
| result.Regex = std::make_shared<llvm::Regex>(result.Pattern); |
| |
| } else if (value.split('-') == |
| std::make_pair(llvm::StringRef("no"), remarkOptName)) { |
| result.Kind = CodeGenOptions::RemarkKind::RK_Disabled; |
| // Disable everything |
| result.Pattern = ""; |
| result.Regex = nullptr; |
| } |
| } else if (a->getOption().matches(optEq)) { |
| result.Kind = CodeGenOptions::RemarkKind::RK_WithPattern; |
| result.Pattern = a->getValue(); |
| result.Regex = std::make_shared<llvm::Regex>(result.Pattern); |
| std::string regexError; |
| |
| if (!result.Regex->isValid(regexError)) { |
| diags.Report(clang::diag::err_drv_optimization_remark_pattern) |
| << regexError << a->getAsString(args); |
| return CodeGenOptions::OptRemark(); |
| } |
| } |
| } |
| return result; |
| } |
| |
| static void parseCodeGenArgs(Fortran::frontend::CodeGenOptions &opts, |
| llvm::opt::ArgList &args, |
| clang::DiagnosticsEngine &diags) { |
| opts.OptimizationLevel = getOptimizationLevel(args, diags); |
| |
| if (args.hasFlag(clang::driver::options::OPT_fdebug_pass_manager, |
| clang::driver::options::OPT_fno_debug_pass_manager, false)) |
| opts.DebugPassManager = 1; |
| |
| if (args.hasFlag(clang::driver::options::OPT_fstack_arrays, |
| clang::driver::options::OPT_fno_stack_arrays, false)) |
| opts.StackArrays = 1; |
| |
| if (args.hasFlag(clang::driver::options::OPT_floop_versioning, |
| clang::driver::options::OPT_fno_loop_versioning, false)) |
| opts.LoopVersioning = 1; |
| |
| opts.AliasAnalysis = opts.OptimizationLevel > 0; |
| |
| // -mframe-pointer=none/non-leaf/all option. |
| if (const llvm::opt::Arg *a = |
| args.getLastArg(clang::driver::options::OPT_mframe_pointer_EQ)) { |
| std::optional<llvm::FramePointerKind> val = |
| llvm::StringSwitch<std::optional<llvm::FramePointerKind>>(a->getValue()) |
| .Case("none", llvm::FramePointerKind::None) |
| .Case("non-leaf", llvm::FramePointerKind::NonLeaf) |
| .Case("all", llvm::FramePointerKind::All) |
| .Default(std::nullopt); |
| |
| if (!val.has_value()) { |
| diags.Report(clang::diag::err_drv_invalid_value) |
| << a->getAsString(args) << a->getValue(); |
| } else |
| opts.setFramePointer(val.value()); |
| } |
| |
| for (auto *a : args.filtered(clang::driver::options::OPT_fpass_plugin_EQ)) |
| opts.LLVMPassPlugins.push_back(a->getValue()); |
| |
| // -fembed-offload-object option |
| for (auto *a : |
| args.filtered(clang::driver::options::OPT_fembed_offload_object_EQ)) |
| opts.OffloadObjects.push_back(a->getValue()); |
| |
| // -flto=full/thin option. |
| if (const llvm::opt::Arg *a = |
| args.getLastArg(clang::driver::options::OPT_flto_EQ)) { |
| llvm::StringRef s = a->getValue(); |
| assert((s == "full" || s == "thin") && "Unknown LTO mode."); |
| if (s == "full") |
| opts.PrepareForFullLTO = true; |
| else |
| opts.PrepareForThinLTO = true; |
| } |
| |
| if (const llvm::opt::Arg *a = args.getLastArg( |
| clang::driver::options::OPT_mcode_object_version_EQ)) { |
| llvm::StringRef s = a->getValue(); |
| if (s == "6") |
| opts.CodeObjectVersion = llvm::CodeObjectVersionKind::COV_6; |
| if (s == "5") |
| opts.CodeObjectVersion = llvm::CodeObjectVersionKind::COV_5; |
| if (s == "4") |
| opts.CodeObjectVersion = llvm::CodeObjectVersionKind::COV_4; |
| if (s == "none") |
| opts.CodeObjectVersion = llvm::CodeObjectVersionKind::COV_None; |
| } |
| |
| // -f[no-]save-optimization-record[=<format>] |
| if (const llvm::opt::Arg *a = |
| args.getLastArg(clang::driver::options::OPT_opt_record_file)) |
| opts.OptRecordFile = a->getValue(); |
| |
| // Optimization file format. Defaults to yaml |
| if (const llvm::opt::Arg *a = |
| args.getLastArg(clang::driver::options::OPT_opt_record_format)) |
| opts.OptRecordFormat = a->getValue(); |
| |
| // Specifies, using a regex, which successful optimization passes(middle and |
| // backend), to include in the final optimization record file generated. If |
| // not provided -fsave-optimization-record will include all passes. |
| if (const llvm::opt::Arg *a = |
| args.getLastArg(clang::driver::options::OPT_opt_record_passes)) |
| opts.OptRecordPasses = a->getValue(); |
| |
| // Create OptRemark that allows printing of all successful optimization |
| // passes applied. |
| opts.OptimizationRemark = |
| parseOptimizationRemark(diags, args, clang::driver::options::OPT_Rpass_EQ, |
| /*remarkOptName=*/"pass"); |
| |
| // Create OptRemark that allows all missed optimization passes to be printed. |
| opts.OptimizationRemarkMissed = parseOptimizationRemark( |
| diags, args, clang::driver::options::OPT_Rpass_missed_EQ, |
| /*remarkOptName=*/"pass-missed"); |
| |
| // Create OptRemark that allows all optimization decisions made by LLVM |
| // to be printed. |
| opts.OptimizationRemarkAnalysis = parseOptimizationRemark( |
| diags, args, clang::driver::options::OPT_Rpass_analysis_EQ, |
| /*remarkOptName=*/"pass-analysis"); |
| |
| if (opts.getDebugInfo() == llvm::codegenoptions::NoDebugInfo) { |
| // If the user requested a flag that requires source locations available in |
| // the backend, make sure that the backend tracks source location |
| // information. |
| bool needLocTracking = !opts.OptRecordFile.empty() || |
| !opts.OptRecordPasses.empty() || |
| !opts.OptRecordFormat.empty() || |
| opts.OptimizationRemark.hasValidPattern() || |
| opts.OptimizationRemarkMissed.hasValidPattern() || |
| opts.OptimizationRemarkAnalysis.hasValidPattern(); |
| |
| if (needLocTracking) |
| opts.setDebugInfo(llvm::codegenoptions::LocTrackingOnly); |
| } |
| |
| if (auto *a = args.getLastArg(clang::driver::options::OPT_save_temps_EQ)) |
| opts.SaveTempsDir = a->getValue(); |
| |
| // -mrelocation-model option. |
| if (const llvm::opt::Arg *a = |
| args.getLastArg(clang::driver::options::OPT_mrelocation_model)) { |
| llvm::StringRef modelName = a->getValue(); |
| auto relocModel = |
| llvm::StringSwitch<std::optional<llvm::Reloc::Model>>(modelName) |
| .Case("static", llvm::Reloc::Static) |
| .Case("pic", llvm::Reloc::PIC_) |
| .Case("dynamic-no-pic", llvm::Reloc::DynamicNoPIC) |
| .Case("ropi", llvm::Reloc::ROPI) |
| .Case("rwpi", llvm::Reloc::RWPI) |
| .Case("ropi-rwpi", llvm::Reloc::ROPI_RWPI) |
| .Default(std::nullopt); |
| if (relocModel.has_value()) |
| opts.setRelocationModel(*relocModel); |
| else |
| diags.Report(clang::diag::err_drv_invalid_value) |
| << a->getAsString(args) << modelName; |
| } |
| |
| // -pic-level and -pic-is-pie option. |
| if (int picLevel = getLastArgIntValue( |
| args, clang::driver::options::OPT_pic_level, 0, diags)) { |
| if (picLevel > 2) |
| diags.Report(clang::diag::err_drv_invalid_value) |
| << args.getLastArg(clang::driver::options::OPT_pic_level) |
| ->getAsString(args) |
| << picLevel; |
| |
| opts.PICLevel = picLevel; |
| if (args.hasArg(clang::driver::options::OPT_pic_is_pie)) |
| opts.IsPIE = 1; |
| } |
| |
| // This option is compatible with -f[no-]underscoring in gfortran. |
| if (args.hasFlag(clang::driver::options::OPT_fno_underscoring, |
| clang::driver::options::OPT_funderscoring, false)) { |
| opts.Underscoring = 0; |
| } |
| } |
| |
| /// Parses all target input arguments and populates the target |
| /// options accordingly. |
| /// |
| /// \param [in] opts The target options instance to update |
| /// \param [in] args The list of input arguments (from the compiler invocation) |
| static void parseTargetArgs(TargetOptions &opts, llvm::opt::ArgList &args) { |
| if (const llvm::opt::Arg *a = |
| args.getLastArg(clang::driver::options::OPT_triple)) |
| opts.triple = a->getValue(); |
| |
| if (const llvm::opt::Arg *a = |
| args.getLastArg(clang::driver::options::OPT_target_cpu)) |
| opts.cpu = a->getValue(); |
| |
| for (const llvm::opt::Arg *currentArg : |
| args.filtered(clang::driver::options::OPT_target_feature)) |
| opts.featuresAsWritten.emplace_back(currentArg->getValue()); |
| } |
| |
| // Tweak the frontend configuration based on the frontend action |
| static void setUpFrontendBasedOnAction(FrontendOptions &opts) { |
| if (opts.programAction == DebugDumpParsingLog) |
| opts.instrumentedParse = true; |
| |
| if (opts.programAction == DebugDumpProvenance || |
| opts.programAction == Fortran::frontend::GetDefinition) |
| opts.needProvenanceRangeToCharBlockMappings = true; |
| } |
| |
| /// Parse the argument specified for the -fconvert=<value> option |
| static std::optional<const char *> parseConvertArg(const char *s) { |
| return llvm::StringSwitch<std::optional<const char *>>(s) |
| .Case("unknown", "UNKNOWN") |
| .Case("native", "NATIVE") |
| .Case("little-endian", "LITTLE_ENDIAN") |
| .Case("big-endian", "BIG_ENDIAN") |
| .Case("swap", "SWAP") |
| .Default(std::nullopt); |
| } |
| |
| static bool parseFrontendArgs(FrontendOptions &opts, llvm::opt::ArgList &args, |
| clang::DiagnosticsEngine &diags) { |
| unsigned numErrorsBefore = diags.getNumErrors(); |
| |
| // By default the frontend driver creates a ParseSyntaxOnly action. |
| opts.programAction = ParseSyntaxOnly; |
| |
| // Treat multiple action options as an invocation error. Note that `clang |
| // -cc1` does accept multiple action options, but will only consider the |
| // rightmost one. |
| if (args.hasMultipleArgs(clang::driver::options::OPT_Action_Group)) { |
| const unsigned diagID = diags.getCustomDiagID( |
| clang::DiagnosticsEngine::Error, "Only one action option is allowed"); |
| diags.Report(diagID); |
| return false; |
| } |
| |
| // Identify the action (i.e. opts.ProgramAction) |
| if (const llvm::opt::Arg *a = |
| args.getLastArg(clang::driver::options::OPT_Action_Group)) { |
| switch (a->getOption().getID()) { |
| default: { |
| llvm_unreachable("Invalid option in group!"); |
| } |
| case clang::driver::options::OPT_test_io: |
| opts.programAction = InputOutputTest; |
| break; |
| case clang::driver::options::OPT_E: |
| opts.programAction = PrintPreprocessedInput; |
| break; |
| case clang::driver::options::OPT_fsyntax_only: |
| opts.programAction = ParseSyntaxOnly; |
| break; |
| case clang::driver::options::OPT_emit_fir: |
| opts.programAction = EmitFIR; |
| break; |
| case clang::driver::options::OPT_emit_hlfir: |
| opts.programAction = EmitHLFIR; |
| break; |
| case clang::driver::options::OPT_emit_llvm: |
| opts.programAction = EmitLLVM; |
| break; |
| case clang::driver::options::OPT_emit_llvm_bc: |
| opts.programAction = EmitLLVMBitcode; |
| break; |
| case clang::driver::options::OPT_emit_obj: |
| opts.programAction = EmitObj; |
| break; |
| case clang::driver::options::OPT_S: |
| opts.programAction = EmitAssembly; |
| break; |
| case clang::driver::options::OPT_fdebug_unparse: |
| opts.programAction = DebugUnparse; |
| break; |
| case clang::driver::options::OPT_fdebug_unparse_no_sema: |
| opts.programAction = DebugUnparseNoSema; |
| break; |
| case clang::driver::options::OPT_fdebug_unparse_with_symbols: |
| opts.programAction = DebugUnparseWithSymbols; |
| break; |
| case clang::driver::options::OPT_fdebug_dump_symbols: |
| opts.programAction = DebugDumpSymbols; |
| break; |
| case clang::driver::options::OPT_fdebug_dump_parse_tree: |
| opts.programAction = DebugDumpParseTree; |
| break; |
| case clang::driver::options::OPT_fdebug_dump_pft: |
| opts.programAction = DebugDumpPFT; |
| break; |
| case clang::driver::options::OPT_fdebug_dump_all: |
| opts.programAction = DebugDumpAll; |
| break; |
| case clang::driver::options::OPT_fdebug_dump_parse_tree_no_sema: |
| opts.programAction = DebugDumpParseTreeNoSema; |
| break; |
| case clang::driver::options::OPT_fdebug_dump_provenance: |
| opts.programAction = DebugDumpProvenance; |
| break; |
| case clang::driver::options::OPT_fdebug_dump_parsing_log: |
| opts.programAction = DebugDumpParsingLog; |
| break; |
| case clang::driver::options::OPT_fdebug_measure_parse_tree: |
| opts.programAction = DebugMeasureParseTree; |
| break; |
| case clang::driver::options::OPT_fdebug_pre_fir_tree: |
| opts.programAction = DebugPreFIRTree; |
| break; |
| case clang::driver::options::OPT_fget_symbols_sources: |
| opts.programAction = GetSymbolsSources; |
| break; |
| case clang::driver::options::OPT_fget_definition: |
| opts.programAction = GetDefinition; |
| break; |
| case clang::driver::options::OPT_init_only: |
| opts.programAction = InitOnly; |
| break; |
| |
| // TODO: |
| // case clang::driver::options::OPT_emit_llvm: |
| // case clang::driver::options::OPT_emit_llvm_only: |
| // case clang::driver::options::OPT_emit_codegen_only: |
| // case clang::driver::options::OPT_emit_module: |
| // (...) |
| } |
| |
| // Parse the values provided with `-fget-definition` (there should be 3 |
| // integers) |
| if (llvm::opt::OptSpecifier(a->getOption().getID()) == |
| clang::driver::options::OPT_fget_definition) { |
| unsigned optVals[3] = {0, 0, 0}; |
| |
| for (unsigned i = 0; i < 3; i++) { |
| llvm::StringRef val = a->getValue(i); |
| |
| if (val.getAsInteger(10, optVals[i])) { |
| // A non-integer was encountered - that's an error. |
| diags.Report(clang::diag::err_drv_invalid_value) |
| << a->getOption().getName() << val; |
| break; |
| } |
| } |
| opts.getDefVals.line = optVals[0]; |
| opts.getDefVals.startColumn = optVals[1]; |
| opts.getDefVals.endColumn = optVals[2]; |
| } |
| } |
| |
| // Parsing -load <dsopath> option and storing shared object path |
| if (llvm::opt::Arg *a = args.getLastArg(clang::driver::options::OPT_load)) { |
| opts.plugins.push_back(a->getValue()); |
| } |
| |
| // Parsing -plugin <name> option and storing plugin name and setting action |
| if (const llvm::opt::Arg *a = |
| args.getLastArg(clang::driver::options::OPT_plugin)) { |
| opts.programAction = PluginAction; |
| opts.actionName = a->getValue(); |
| } |
| |
| opts.outputFile = args.getLastArgValue(clang::driver::options::OPT_o); |
| opts.showHelp = args.hasArg(clang::driver::options::OPT_help); |
| opts.showVersion = args.hasArg(clang::driver::options::OPT_version); |
| |
| // Get the input kind (from the value passed via `-x`) |
| InputKind dashX(Language::Unknown); |
| if (const llvm::opt::Arg *a = |
| args.getLastArg(clang::driver::options::OPT_x)) { |
| llvm::StringRef xValue = a->getValue(); |
| // Principal languages. |
| dashX = llvm::StringSwitch<InputKind>(xValue) |
| // Flang does not differentiate between pre-processed and not |
| // pre-processed inputs. |
| .Case("f95", Language::Fortran) |
| .Case("f95-cpp-input", Language::Fortran) |
| // CUDA Fortran |
| .Case("cuda", Language::Fortran) |
| .Default(Language::Unknown); |
| |
| // Flang's intermediate representations. |
| if (dashX.isUnknown()) |
| dashX = llvm::StringSwitch<InputKind>(xValue) |
| .Case("ir", Language::LLVM_IR) |
| .Case("fir", Language::MLIR) |
| .Case("mlir", Language::MLIR) |
| .Default(Language::Unknown); |
| |
| if (dashX.isUnknown()) |
| diags.Report(clang::diag::err_drv_invalid_value) |
| << a->getAsString(args) << a->getValue(); |
| } |
| |
| // Collect the input files and save them in our instance of FrontendOptions. |
| std::vector<std::string> inputs = |
| args.getAllArgValues(clang::driver::options::OPT_INPUT); |
| opts.inputs.clear(); |
| if (inputs.empty()) |
| // '-' is the default input if none is given. |
| inputs.push_back("-"); |
| for (unsigned i = 0, e = inputs.size(); i != e; ++i) { |
| InputKind ik = dashX; |
| if (ik.isUnknown()) { |
| ik = FrontendOptions::getInputKindForExtension( |
| llvm::StringRef(inputs[i]).rsplit('.').second); |
| if (ik.isUnknown()) |
| ik = Language::Unknown; |
| if (i == 0) |
| dashX = ik; |
| } |
| |
| opts.inputs.emplace_back(std::move(inputs[i]), ik); |
| } |
| |
| // Set fortranForm based on options -ffree-form and -ffixed-form. |
| if (const auto *arg = |
| args.getLastArg(clang::driver::options::OPT_ffixed_form, |
| clang::driver::options::OPT_ffree_form)) { |
| opts.fortranForm = |
| arg->getOption().matches(clang::driver::options::OPT_ffixed_form) |
| ? FortranForm::FixedForm |
| : FortranForm::FreeForm; |
| } |
| |
| // Set fixedFormColumns based on -ffixed-line-length=<value> |
| if (const auto *arg = |
| args.getLastArg(clang::driver::options::OPT_ffixed_line_length_EQ)) { |
| llvm::StringRef argValue = llvm::StringRef(arg->getValue()); |
| std::int64_t columns = -1; |
| if (argValue == "none") { |
| columns = 0; |
| } else if (argValue.getAsInteger(/*Radix=*/10, columns)) { |
| columns = -1; |
| } |
| if (columns < 0) { |
| diags.Report(clang::diag::err_drv_negative_columns) |
| << arg->getOption().getName() << arg->getValue(); |
| } else if (columns == 0) { |
| opts.fixedFormColumns = 1000000; |
| } else if (columns < 7) { |
| diags.Report(clang::diag::err_drv_small_columns) |
| << arg->getOption().getName() << arg->getValue() << "7"; |
| } else { |
| opts.fixedFormColumns = columns; |
| } |
| } |
| |
| // Set conversion based on -fconvert=<value> |
| if (const auto *arg = |
| args.getLastArg(clang::driver::options::OPT_fconvert_EQ)) { |
| const char *argValue = arg->getValue(); |
| if (auto convert = parseConvertArg(argValue)) |
| opts.envDefaults.push_back({"FORT_CONVERT", *convert}); |
| else |
| diags.Report(clang::diag::err_drv_invalid_value) |
| << arg->getAsString(args) << argValue; |
| } |
| |
| // -f{no-}implicit-none |
| opts.features.Enable( |
| Fortran::common::LanguageFeature::ImplicitNoneTypeAlways, |
| args.hasFlag(clang::driver::options::OPT_fimplicit_none, |
| clang::driver::options::OPT_fno_implicit_none, false)); |
| |
| // -f{no-}backslash |
| opts.features.Enable(Fortran::common::LanguageFeature::BackslashEscapes, |
| args.hasFlag(clang::driver::options::OPT_fbackslash, |
| clang::driver::options::OPT_fno_backslash, |
| false)); |
| |
| // -f{no-}logical-abbreviations |
| opts.features.Enable( |
| Fortran::common::LanguageFeature::LogicalAbbreviations, |
| args.hasFlag(clang::driver::options::OPT_flogical_abbreviations, |
| clang::driver::options::OPT_fno_logical_abbreviations, |
| false)); |
| |
| // -f{no-}xor-operator |
| opts.features.Enable( |
| Fortran::common::LanguageFeature::XOROperator, |
| args.hasFlag(clang::driver::options::OPT_fxor_operator, |
| clang::driver::options::OPT_fno_xor_operator, false)); |
| |
| // -fno-automatic |
| if (args.hasArg(clang::driver::options::OPT_fno_automatic)) { |
| opts.features.Enable(Fortran::common::LanguageFeature::DefaultSave); |
| } |
| |
| if (args.hasArg( |
| clang::driver::options::OPT_falternative_parameter_statement)) { |
| opts.features.Enable(Fortran::common::LanguageFeature::OldStyleParameter); |
| } |
| if (const llvm::opt::Arg *arg = |
| args.getLastArg(clang::driver::options::OPT_finput_charset_EQ)) { |
| llvm::StringRef argValue = arg->getValue(); |
| if (argValue == "utf-8") { |
| opts.encoding = Fortran::parser::Encoding::UTF_8; |
| } else if (argValue == "latin-1") { |
| opts.encoding = Fortran::parser::Encoding::LATIN_1; |
| } else { |
| diags.Report(clang::diag::err_drv_invalid_value) |
| << arg->getAsString(args) << argValue; |
| } |
| } |
| |
| setUpFrontendBasedOnAction(opts); |
| opts.dashX = dashX; |
| |
| return diags.getNumErrors() == numErrorsBefore; |
| } |
| |
| // Generate the path to look for intrinsic modules |
| static std::string getIntrinsicDir(const char *argv) { |
| // TODO: Find a system independent API |
| llvm::SmallString<128> driverPath; |
| driverPath.assign(llvm::sys::fs::getMainExecutable(argv, nullptr)); |
| llvm::sys::path::remove_filename(driverPath); |
| driverPath.append("/../include/flang/"); |
| return std::string(driverPath); |
| } |
| |
| // Generate the path to look for OpenMP headers |
| static std::string getOpenMPHeadersDir(const char *argv) { |
| llvm::SmallString<128> includePath; |
| includePath.assign(llvm::sys::fs::getMainExecutable(argv, nullptr)); |
| llvm::sys::path::remove_filename(includePath); |
| includePath.append("/../include/flang/OpenMP/"); |
| return std::string(includePath); |
| } |
| |
| /// Parses all preprocessor input arguments and populates the preprocessor |
| /// options accordingly. |
| /// |
| /// \param [in] opts The preprocessor options instance |
| /// \param [out] args The list of input arguments |
| static void parsePreprocessorArgs(Fortran::frontend::PreprocessorOptions &opts, |
| llvm::opt::ArgList &args) { |
| // Add macros from the command line. |
| for (const auto *currentArg : args.filtered(clang::driver::options::OPT_D, |
| clang::driver::options::OPT_U)) { |
| if (currentArg->getOption().matches(clang::driver::options::OPT_D)) { |
| opts.addMacroDef(currentArg->getValue()); |
| } else { |
| opts.addMacroUndef(currentArg->getValue()); |
| } |
| } |
| |
| // Add the ordered list of -I's. |
| for (const auto *currentArg : args.filtered(clang::driver::options::OPT_I)) |
| opts.searchDirectoriesFromDashI.emplace_back(currentArg->getValue()); |
| |
| // Prepend the ordered list of -intrinsic-modules-path |
| // to the default location to search. |
| for (const auto *currentArg : |
| args.filtered(clang::driver::options::OPT_fintrinsic_modules_path)) |
| opts.searchDirectoriesFromIntrModPath.emplace_back(currentArg->getValue()); |
| |
| // -cpp/-nocpp |
| if (const auto *currentArg = args.getLastArg( |
| clang::driver::options::OPT_cpp, clang::driver::options::OPT_nocpp)) |
| opts.macrosFlag = |
| (currentArg->getOption().matches(clang::driver::options::OPT_cpp)) |
| ? PPMacrosFlag::Include |
| : PPMacrosFlag::Exclude; |
| |
| opts.noReformat = args.hasArg(clang::driver::options::OPT_fno_reformat); |
| opts.noLineDirectives = args.hasArg(clang::driver::options::OPT_P); |
| opts.showMacros = args.hasArg(clang::driver::options::OPT_dM); |
| } |
| |
| /// Parses all semantic related arguments and populates the variables |
| /// options accordingly. Returns false if new errors are generated. |
| static bool parseSemaArgs(CompilerInvocation &res, llvm::opt::ArgList &args, |
| clang::DiagnosticsEngine &diags) { |
| unsigned numErrorsBefore = diags.getNumErrors(); |
| |
| // -J/module-dir option |
| auto moduleDirList = |
| args.getAllArgValues(clang::driver::options::OPT_module_dir); |
| // User can only specify -J/-module-dir once |
| // https://gcc.gnu.org/onlinedocs/gfortran/Directory-Options.html |
| if (moduleDirList.size() > 1) { |
| const unsigned diagID = |
| diags.getCustomDiagID(clang::DiagnosticsEngine::Error, |
| "Only one '-module-dir/-J' option allowed"); |
| diags.Report(diagID); |
| } |
| if (moduleDirList.size() == 1) |
| res.setModuleDir(moduleDirList[0]); |
| |
| // -fdebug-module-writer option |
| if (args.hasArg(clang::driver::options::OPT_fdebug_module_writer)) { |
| res.setDebugModuleDir(true); |
| } |
| |
| // -module-suffix |
| if (const auto *moduleSuffix = |
| args.getLastArg(clang::driver::options::OPT_module_suffix)) { |
| res.setModuleFileSuffix(moduleSuffix->getValue()); |
| } |
| |
| // -f{no-}analyzed-objects-for-unparse |
| res.setUseAnalyzedObjectsForUnparse(args.hasFlag( |
| clang::driver::options::OPT_fanalyzed_objects_for_unparse, |
| clang::driver::options::OPT_fno_analyzed_objects_for_unparse, true)); |
| |
| return diags.getNumErrors() == numErrorsBefore; |
| } |
| |
| /// Parses all diagnostics related arguments and populates the variables |
| /// options accordingly. Returns false if new errors are generated. |
| static bool parseDiagArgs(CompilerInvocation &res, llvm::opt::ArgList &args, |
| clang::DiagnosticsEngine &diags) { |
| unsigned numErrorsBefore = diags.getNumErrors(); |
| |
| // -Werror option |
| // TODO: Currently throws a Diagnostic for anything other than -W<error>, |
| // this has to change when other -W<opt>'s are supported. |
| if (args.hasArg(clang::driver::options::OPT_W_Joined)) { |
| const auto &wArgs = |
| args.getAllArgValues(clang::driver::options::OPT_W_Joined); |
| for (const auto &wArg : wArgs) { |
| if (wArg == "error") { |
| res.setWarnAsErr(true); |
| } else { |
| const unsigned diagID = |
| diags.getCustomDiagID(clang::DiagnosticsEngine::Error, |
| "Only `-Werror` is supported currently."); |
| diags.Report(diagID); |
| } |
| } |
| } |
| |
| // Default to off for `flang-new -fc1`. |
| res.getFrontendOpts().showColors = |
| parseShowColorsArgs(args, /*defaultDiagColor=*/false); |
| |
| // Honor color diagnostics. |
| res.getDiagnosticOpts().ShowColors = res.getFrontendOpts().showColors; |
| |
| return diags.getNumErrors() == numErrorsBefore; |
| } |
| |
| /// Parses all Dialect related arguments and populates the variables |
| /// options accordingly. Returns false if new errors are generated. |
| static bool parseDialectArgs(CompilerInvocation &res, llvm::opt::ArgList &args, |
| clang::DiagnosticsEngine &diags) { |
| unsigned numErrorsBefore = diags.getNumErrors(); |
| |
| // -fdefault* family |
| if (args.hasArg(clang::driver::options::OPT_fdefault_real_8)) { |
| res.getDefaultKinds().set_defaultRealKind(8); |
| res.getDefaultKinds().set_doublePrecisionKind(16); |
| } |
| if (args.hasArg(clang::driver::options::OPT_fdefault_integer_8)) { |
| res.getDefaultKinds().set_defaultIntegerKind(8); |
| res.getDefaultKinds().set_subscriptIntegerKind(8); |
| res.getDefaultKinds().set_sizeIntegerKind(8); |
| res.getDefaultKinds().set_defaultLogicalKind(8); |
| } |
| if (args.hasArg(clang::driver::options::OPT_fdefault_double_8)) { |
| if (!args.hasArg(clang::driver::options::OPT_fdefault_real_8)) { |
| // -fdefault-double-8 has to be used with -fdefault-real-8 |
| // to be compatible with gfortran |
| const unsigned diagID = diags.getCustomDiagID( |
| clang::DiagnosticsEngine::Error, |
| "Use of `-fdefault-double-8` requires `-fdefault-real-8`"); |
| diags.Report(diagID); |
| } |
| // https://gcc.gnu.org/onlinedocs/gfortran/Fortran-Dialect-Options.html |
| res.getDefaultKinds().set_doublePrecisionKind(8); |
| } |
| if (args.hasArg(clang::driver::options::OPT_flarge_sizes)) |
| res.getDefaultKinds().set_sizeIntegerKind(8); |
| |
| // -x cuda |
| auto language = args.getLastArgValue(clang::driver::options::OPT_x); |
| if (language.equals("cuda")) { |
| res.getFrontendOpts().features.Enable( |
| Fortran::common::LanguageFeature::CUDA); |
| } |
| |
| // -fopenmp and -fopenacc |
| if (args.hasArg(clang::driver::options::OPT_fopenacc)) { |
| res.getFrontendOpts().features.Enable( |
| Fortran::common::LanguageFeature::OpenACC); |
| } |
| if (args.hasArg(clang::driver::options::OPT_fopenmp)) { |
| // By default OpenMP is set to 1.1 version |
| res.getLangOpts().OpenMPVersion = 11; |
| res.getFrontendOpts().features.Enable( |
| Fortran::common::LanguageFeature::OpenMP); |
| if (int Version = getLastArgIntValue( |
| args, clang::driver::options::OPT_fopenmp_version_EQ, |
| res.getLangOpts().OpenMPVersion, diags)) { |
| res.getLangOpts().OpenMPVersion = Version; |
| } |
| if (args.hasArg(clang::driver::options::OPT_fopenmp_is_target_device)) { |
| res.getLangOpts().OpenMPIsTargetDevice = 1; |
| |
| // Get OpenMP host file path if any and report if a non existent file is |
| // found |
| if (auto *arg = args.getLastArg( |
| clang::driver::options::OPT_fopenmp_host_ir_file_path)) { |
| res.getLangOpts().OMPHostIRFile = arg->getValue(); |
| if (!llvm::sys::fs::exists(res.getLangOpts().OMPHostIRFile)) |
| diags.Report(clang::diag::err_drv_omp_host_ir_file_not_found) |
| << res.getLangOpts().OMPHostIRFile; |
| } |
| |
| if (args.hasFlag( |
| clang::driver::options::OPT_fopenmp_assume_teams_oversubscription, |
| clang::driver::options:: |
| OPT_fno_openmp_assume_teams_oversubscription, |
| /*Default=*/false)) |
| res.getLangOpts().OpenMPTeamSubscription = true; |
| |
| if (args.hasArg( |
| clang::driver::options::OPT_fopenmp_assume_no_thread_state)) |
| res.getLangOpts().OpenMPNoThreadState = 1; |
| |
| if (args.hasArg( |
| clang::driver::options::OPT_fopenmp_assume_no_nested_parallelism)) |
| res.getLangOpts().OpenMPNoNestedParallelism = 1; |
| |
| if (args.hasFlag(clang::driver::options:: |
| OPT_fopenmp_assume_threads_oversubscription, |
| clang::driver::options:: |
| OPT_fno_openmp_assume_threads_oversubscription, |
| /*Default=*/false)) |
| res.getLangOpts().OpenMPThreadSubscription = true; |
| |
| if ((args.hasArg(clang::driver::options::OPT_fopenmp_target_debug) || |
| args.hasArg(clang::driver::options::OPT_fopenmp_target_debug_EQ))) { |
| res.getLangOpts().OpenMPTargetDebug = getLastArgIntValue( |
| args, clang::driver::options::OPT_fopenmp_target_debug_EQ, |
| res.getLangOpts().OpenMPTargetDebug, diags); |
| |
| if (!res.getLangOpts().OpenMPTargetDebug && |
| args.hasArg(clang::driver::options::OPT_fopenmp_target_debug)) |
| res.getLangOpts().OpenMPTargetDebug = 1; |
| } |
| if (args.hasArg(clang::driver::options::OPT_nogpulib)) |
| res.getLangOpts().NoGPULib = 1; |
| } |
| |
| switch (llvm::Triple(res.getTargetOpts().triple).getArch()) { |
| case llvm::Triple::nvptx: |
| case llvm::Triple::nvptx64: |
| case llvm::Triple::amdgcn: |
| if (!res.getLangOpts().OpenMPIsTargetDevice) { |
| const unsigned diagID = diags.getCustomDiagID( |
| clang::DiagnosticsEngine::Error, |
| "OpenMP AMDGPU/NVPTX is only prepared to deal with device code."); |
| diags.Report(diagID); |
| } |
| res.getLangOpts().OpenMPIsGPU = 1; |
| break; |
| default: |
| res.getLangOpts().OpenMPIsGPU = 0; |
| break; |
| } |
| } |
| |
| // -pedantic |
| if (args.hasArg(clang::driver::options::OPT_pedantic)) { |
| res.setEnableConformanceChecks(); |
| res.setEnableUsageChecks(); |
| } |
| // -std=f2018 |
| // TODO: Set proper options when more fortran standards |
| // are supported. |
| if (args.hasArg(clang::driver::options::OPT_std_EQ)) { |
| auto standard = args.getLastArgValue(clang::driver::options::OPT_std_EQ); |
| // We only allow f2018 as the given standard |
| if (standard.equals("f2018")) { |
| res.setEnableConformanceChecks(); |
| } else { |
| const unsigned diagID = |
| diags.getCustomDiagID(clang::DiagnosticsEngine::Error, |
| "Only -std=f2018 is allowed currently."); |
| diags.Report(diagID); |
| } |
| } |
| return diags.getNumErrors() == numErrorsBefore; |
| } |
| |
| /// Parses all floating point related arguments and populates the |
| /// CompilerInvocation accordingly. |
| /// Returns false if new errors are generated. |
| /// |
| /// \param [out] invoc Stores the processed arguments |
| /// \param [in] args The compiler invocation arguments to parse |
| /// \param [out] diags DiagnosticsEngine to report erros with |
| static bool parseFloatingPointArgs(CompilerInvocation &invoc, |
| llvm::opt::ArgList &args, |
| clang::DiagnosticsEngine &diags) { |
| LangOptions &opts = invoc.getLangOpts(); |
| |
| if (const llvm::opt::Arg *a = |
| args.getLastArg(clang::driver::options::OPT_ffp_contract)) { |
| const llvm::StringRef val = a->getValue(); |
| enum LangOptions::FPModeKind fpContractMode; |
| |
| if (val == "off") |
| fpContractMode = LangOptions::FPM_Off; |
| else if (val == "fast") |
| fpContractMode = LangOptions::FPM_Fast; |
| else { |
| diags.Report(clang::diag::err_drv_unsupported_option_argument) |
| << a->getSpelling() << val; |
| return false; |
| } |
| |
| opts.setFPContractMode(fpContractMode); |
| } |
| |
| if (args.getLastArg(clang::driver::options::OPT_menable_no_infinities)) { |
| opts.NoHonorInfs = true; |
| } |
| |
| if (args.getLastArg(clang::driver::options::OPT_menable_no_nans)) { |
| opts.NoHonorNaNs = true; |
| } |
| |
| if (args.getLastArg(clang::driver::options::OPT_fapprox_func)) { |
| opts.ApproxFunc = true; |
| } |
| |
| if (args.getLastArg(clang::driver::options::OPT_fno_signed_zeros)) { |
| opts.NoSignedZeros = true; |
| } |
| |
| if (args.getLastArg(clang::driver::options::OPT_mreassociate)) { |
| opts.AssociativeMath = true; |
| } |
| |
| if (args.getLastArg(clang::driver::options::OPT_freciprocal_math)) { |
| opts.ReciprocalMath = true; |
| } |
| |
| if (args.getLastArg(clang::driver::options::OPT_ffast_math)) { |
| opts.NoHonorInfs = true; |
| opts.NoHonorNaNs = true; |
| opts.AssociativeMath = true; |
| opts.ReciprocalMath = true; |
| opts.ApproxFunc = true; |
| opts.NoSignedZeros = true; |
| opts.setFPContractMode(LangOptions::FPM_Fast); |
| } |
| |
| return true; |
| } |
| |
| /// Parses vscale range options and populates the CompilerInvocation |
| /// accordingly. |
| /// Returns false if new errors are generated. |
| /// |
| /// \param [out] invoc Stores the processed arguments |
| /// \param [in] args The compiler invocation arguments to parse |
| /// \param [out] diags DiagnosticsEngine to report erros with |
| static bool parseVScaleArgs(CompilerInvocation &invoc, llvm::opt::ArgList &args, |
| clang::DiagnosticsEngine &diags) { |
| const auto *vscaleMin = |
| args.getLastArg(clang::driver::options::OPT_mvscale_min_EQ); |
| const auto *vscaleMax = |
| args.getLastArg(clang::driver::options::OPT_mvscale_max_EQ); |
| |
| if (!vscaleMin && !vscaleMax) |
| return true; |
| |
| llvm::Triple triple = llvm::Triple(invoc.getTargetOpts().triple); |
| if (!triple.isAArch64() && !triple.isRISCV()) { |
| const unsigned diagID = |
| diags.getCustomDiagID(clang::DiagnosticsEngine::Error, |
| "`-mvscale-max` and `-mvscale-min` are not " |
| "supported for this architecture: %0"); |
| diags.Report(diagID) << triple.getArchName(); |
| return false; |
| } |
| |
| LangOptions &opts = invoc.getLangOpts(); |
| if (vscaleMin) { |
| llvm::StringRef argValue = llvm::StringRef(vscaleMin->getValue()); |
| unsigned vscaleMinVal; |
| if (argValue.getAsInteger(/*Radix=*/10, vscaleMinVal)) { |
| diags.Report(clang::diag::err_drv_unsupported_option_argument) |
| << vscaleMax->getSpelling() << argValue; |
| return false; |
| } |
| opts.VScaleMin = vscaleMinVal; |
| } |
| |
| if (vscaleMax) { |
| llvm::StringRef argValue = llvm::StringRef(vscaleMax->getValue()); |
| unsigned vscaleMaxVal; |
| if (argValue.getAsInteger(/*Radix=w*/ 10, vscaleMaxVal)) { |
| diags.Report(clang::diag::err_drv_unsupported_option_argument) |
| << vscaleMax->getSpelling() << argValue; |
| return false; |
| } |
| opts.VScaleMax = vscaleMaxVal; |
| } |
| return true; |
| } |
| |
| static bool parseLinkerOptionsArgs(CompilerInvocation &invoc, |
| llvm::opt::ArgList &args, |
| clang::DiagnosticsEngine &diags) { |
| llvm::Triple triple = llvm::Triple(invoc.getTargetOpts().triple); |
| |
| // TODO: support --dependent-lib on other platforms when MLIR supports |
| // !llvm.dependent.lib |
| if (args.hasArg(clang::driver::options::OPT_dependent_lib) && |
| !triple.isOSWindows()) { |
| const unsigned diagID = |
| diags.getCustomDiagID(clang::DiagnosticsEngine::Error, |
| "--dependent-lib is only supported on Windows"); |
| diags.Report(diagID); |
| return false; |
| } |
| |
| invoc.getCodeGenOpts().DependentLibs = |
| args.getAllArgValues(clang::driver::options::OPT_dependent_lib); |
| return true; |
| } |
| |
| bool CompilerInvocation::createFromArgs( |
| CompilerInvocation &invoc, llvm::ArrayRef<const char *> commandLineArgs, |
| clang::DiagnosticsEngine &diags, const char *argv0) { |
| |
| bool success = true; |
| |
| // Set the default triple for this CompilerInvocation. This might be |
| // overridden by users with `-triple` (see the call to `ParseTargetArgs` |
| // below). |
| // NOTE: Like in Clang, it would be nice to use option marshalling |
| // for this so that the entire logic for setting-up the triple is in one |
| // place. |
| invoc.getTargetOpts().triple = |
| llvm::Triple::normalize(llvm::sys::getDefaultTargetTriple()); |
| |
| // Parse the arguments |
| const llvm::opt::OptTable &opts = clang::driver::getDriverOptTable(); |
| llvm::opt::Visibility visibilityMask(clang::driver::options::FC1Option); |
| unsigned missingArgIndex, missingArgCount; |
| llvm::opt::InputArgList args = opts.ParseArgs( |
| commandLineArgs, missingArgIndex, missingArgCount, visibilityMask); |
| |
| // Check for missing argument error. |
| if (missingArgCount) { |
| diags.Report(clang::diag::err_drv_missing_argument) |
| << args.getArgString(missingArgIndex) << missingArgCount; |
| success = false; |
| } |
| |
| // Issue errors on unknown arguments |
| for (const auto *a : args.filtered(clang::driver::options::OPT_UNKNOWN)) { |
| auto argString = a->getAsString(args); |
| std::string nearest; |
| if (opts.findNearest(argString, nearest, visibilityMask) > 1) |
| diags.Report(clang::diag::err_drv_unknown_argument) << argString; |
| else |
| diags.Report(clang::diag::err_drv_unknown_argument_with_suggestion) |
| << argString << nearest; |
| success = false; |
| } |
| |
| // -flang-experimental-hlfir |
| if (args.hasArg(clang::driver::options::OPT_flang_experimental_hlfir) || |
| args.hasArg(clang::driver::options::OPT_emit_hlfir)) { |
| invoc.loweringOpts.setLowerToHighLevelFIR(true); |
| } |
| |
| // -flang-deprecated-no-hlfir |
| if (args.hasArg(clang::driver::options::OPT_flang_deprecated_no_hlfir) && |
| !args.hasArg(clang::driver::options::OPT_emit_hlfir)) { |
| if (args.hasArg(clang::driver::options::OPT_flang_experimental_hlfir)) { |
| const unsigned diagID = diags.getCustomDiagID( |
| clang::DiagnosticsEngine::Error, |
| "Options '-flang-experimental-hlfir' and " |
| "'-flang-deprecated-no-hlfir' cannot be both specified"); |
| diags.Report(diagID); |
| } |
| invoc.loweringOpts.setLowerToHighLevelFIR(false); |
| } |
| |
| // -fno-ppc-native-vector-element-order |
| if (args.hasArg(clang::driver::options::OPT_fno_ppc_native_vec_elem_order)) { |
| invoc.loweringOpts.setNoPPCNativeVecElemOrder(true); |
| } |
| |
| // Preserve all the remark options requested, i.e. -Rpass, -Rpass-missed or |
| // -Rpass-analysis. This will be used later when processing and outputting the |
| // remarks generated by LLVM in ExecuteCompilerInvocation.cpp. |
| for (auto *a : args.filtered(clang::driver::options::OPT_R_Group)) { |
| if (a->getOption().matches(clang::driver::options::OPT_R_value_Group)) |
| // This is -Rfoo=, where foo is the name of the diagnostic |
| // group. Add only the remark option name to the diagnostics. e.g. for |
| // -Rpass= we will add the string "pass". |
| invoc.getDiagnosticOpts().Remarks.push_back( |
| std::string(a->getOption().getName().drop_front(1).rtrim("=-"))); |
| else |
| // If no regex was provided, add the provided value, e.g. for -Rpass add |
| // the string "pass". |
| invoc.getDiagnosticOpts().Remarks.push_back(a->getValue()); |
| } |
| |
| success &= parseFrontendArgs(invoc.getFrontendOpts(), args, diags); |
| parseTargetArgs(invoc.getTargetOpts(), args); |
| parsePreprocessorArgs(invoc.getPreprocessorOpts(), args); |
| parseCodeGenArgs(invoc.getCodeGenOpts(), args, diags); |
| success &= parseDebugArgs(invoc.getCodeGenOpts(), args, diags); |
| success &= parseVectorLibArg(invoc.getCodeGenOpts(), args, diags); |
| success &= parseSemaArgs(invoc, args, diags); |
| success &= parseDialectArgs(invoc, args, diags); |
| success &= parseDiagArgs(invoc, args, diags); |
| |
| // Collect LLVM (-mllvm) and MLIR (-mmlir) options. |
| // NOTE: Try to avoid adding any options directly to `llvmArgs` or |
| // `mlirArgs`. Instead, you can use |
| // * `-mllvm <your-llvm-option>`, or |
| // * `-mmlir <your-mlir-option>`. |
| invoc.frontendOpts.llvmArgs = |
| args.getAllArgValues(clang::driver::options::OPT_mllvm); |
| invoc.frontendOpts.mlirArgs = |
| args.getAllArgValues(clang::driver::options::OPT_mmlir); |
| |
| success &= parseFloatingPointArgs(invoc, args, diags); |
| |
| success &= parseVScaleArgs(invoc, args, diags); |
| |
| success &= parseLinkerOptionsArgs(invoc, args, diags); |
| |
| // Set the string to be used as the return value of the COMPILER_OPTIONS |
| // intrinsic of iso_fortran_env. This is either passed in from the parent |
| // compiler driver invocation with an environment variable, or failing that |
| // set to the command line arguments of the frontend driver invocation. |
| invoc.allCompilerInvocOpts = std::string(); |
| llvm::raw_string_ostream os(invoc.allCompilerInvocOpts); |
| char *compilerOptsEnv = std::getenv("FLANG_COMPILER_OPTIONS_STRING"); |
| if (compilerOptsEnv != nullptr) { |
| os << compilerOptsEnv; |
| } else { |
| os << argv0 << ' '; |
| for (auto it = commandLineArgs.begin(), e = commandLineArgs.end(); it != e; |
| ++it) { |
| os << ' ' << *it; |
| } |
| } |
| |
| invoc.setArgv0(argv0); |
| |
| return success; |
| } |
| |
| void CompilerInvocation::collectMacroDefinitions() { |
| auto &ppOpts = this->getPreprocessorOpts(); |
| |
| for (unsigned i = 0, n = ppOpts.macros.size(); i != n; ++i) { |
| llvm::StringRef macro = ppOpts.macros[i].first; |
| bool isUndef = ppOpts.macros[i].second; |
| |
| std::pair<llvm::StringRef, llvm::StringRef> macroPair = macro.split('='); |
| llvm::StringRef macroName = macroPair.first; |
| llvm::StringRef macroBody = macroPair.second; |
| |
| // For an #undef'd macro, we only care about the name. |
| if (isUndef) { |
| parserOpts.predefinitions.emplace_back(macroName.str(), |
| std::optional<std::string>{}); |
| continue; |
| } |
| |
| // For a #define'd macro, figure out the actual definition. |
| if (macroName.size() == macro.size()) |
| macroBody = "1"; |
| else { |
| // Note: GCC drops anything following an end-of-line character. |
| llvm::StringRef::size_type end = macroBody.find_first_of("\n\r"); |
| macroBody = macroBody.substr(0, end); |
| } |
| parserOpts.predefinitions.emplace_back( |
| macroName, std::optional<std::string>(macroBody.str())); |
| } |
| } |
| |
| void CompilerInvocation::setDefaultFortranOpts() { |
| auto &fortranOptions = getFortranOpts(); |
| |
| std::vector<std::string> searchDirectories{"."s}; |
| fortranOptions.searchDirectories = searchDirectories; |
| |
| // Add the location of omp_lib.h to the search directories. Currently this is |
| // identical to the modules' directory. |
| fortranOptions.searchDirectories.emplace_back( |
| getOpenMPHeadersDir(getArgv0())); |
| |
| fortranOptions.isFixedForm = false; |
| } |
| |
| // TODO: When expanding this method, consider creating a dedicated API for |
| // this. Also at some point we will need to differentiate between different |
| // targets and add dedicated predefines for each. |
| void CompilerInvocation::setDefaultPredefinitions() { |
| auto &fortranOptions = getFortranOpts(); |
| const auto &frontendOptions = getFrontendOpts(); |
| // Populate the macro list with version numbers and other predefinitions. |
| fortranOptions.predefinitions.emplace_back("__flang__", "1"); |
| fortranOptions.predefinitions.emplace_back("__flang_major__", |
| FLANG_VERSION_MAJOR_STRING); |
| fortranOptions.predefinitions.emplace_back("__flang_minor__", |
| FLANG_VERSION_MINOR_STRING); |
| fortranOptions.predefinitions.emplace_back("__flang_patchlevel__", |
| FLANG_VERSION_PATCHLEVEL_STRING); |
| |
| // Add predefinitions based on extensions enabled |
| if (frontendOptions.features.IsEnabled( |
| Fortran::common::LanguageFeature::OpenACC)) { |
| fortranOptions.predefinitions.emplace_back("_OPENACC", "202211"); |
| } |
| if (frontendOptions.features.IsEnabled( |
| Fortran::common::LanguageFeature::OpenMP)) { |
| Fortran::common::setOpenMPMacro(getLangOpts().OpenMPVersion, |
| fortranOptions.predefinitions); |
| } |
| |
| llvm::Triple targetTriple{llvm::Triple(this->targetOpts.triple)}; |
| if (targetTriple.isPPC()) { |
| // '__powerpc__' is a generic macro for any PowerPC cases. e.g. Max integer |
| // size. |
| fortranOptions.predefinitions.emplace_back("__powerpc__", "1"); |
| } |
| if (targetTriple.isOSLinux()) { |
| fortranOptions.predefinitions.emplace_back("__linux__", "1"); |
| } |
| |
| switch (targetTriple.getArch()) { |
| default: |
| break; |
| case llvm::Triple::ArchType::x86_64: |
| fortranOptions.predefinitions.emplace_back("__x86_64__", "1"); |
| fortranOptions.predefinitions.emplace_back("__x86_64", "1"); |
| break; |
| } |
| } |
| |
| void CompilerInvocation::setFortranOpts() { |
| auto &fortranOptions = getFortranOpts(); |
| const auto &frontendOptions = getFrontendOpts(); |
| const auto &preprocessorOptions = getPreprocessorOpts(); |
| auto &moduleDirJ = getModuleDir(); |
| |
| if (frontendOptions.fortranForm != FortranForm::Unknown) { |
| fortranOptions.isFixedForm = |
| frontendOptions.fortranForm == FortranForm::FixedForm; |
| } |
| fortranOptions.fixedFormColumns = frontendOptions.fixedFormColumns; |
| |
| fortranOptions.features = frontendOptions.features; |
| fortranOptions.encoding = frontendOptions.encoding; |
| |
| // Adding search directories specified by -I |
| fortranOptions.searchDirectories.insert( |
| fortranOptions.searchDirectories.end(), |
| preprocessorOptions.searchDirectoriesFromDashI.begin(), |
| preprocessorOptions.searchDirectoriesFromDashI.end()); |
| |
| // Add the ordered list of -intrinsic-modules-path |
| fortranOptions.searchDirectories.insert( |
| fortranOptions.searchDirectories.end(), |
| preprocessorOptions.searchDirectoriesFromIntrModPath.begin(), |
| preprocessorOptions.searchDirectoriesFromIntrModPath.end()); |
| |
| // Add the default intrinsic module directory |
| fortranOptions.intrinsicModuleDirectories.emplace_back( |
| getIntrinsicDir(getArgv0())); |
| |
| // Add the directory supplied through -J/-module-dir to the list of search |
| // directories |
| if (moduleDirJ != ".") |
| fortranOptions.searchDirectories.emplace_back(moduleDirJ); |
| |
| if (frontendOptions.instrumentedParse) |
| fortranOptions.instrumentedParse = true; |
| |
| if (frontendOptions.showColors) |
| fortranOptions.showColors = true; |
| |
| if (frontendOptions.needProvenanceRangeToCharBlockMappings) |
| fortranOptions.needProvenanceRangeToCharBlockMappings = true; |
| |
| if (getEnableConformanceChecks()) |
| fortranOptions.features.WarnOnAllNonstandard(); |
| |
| if (getEnableUsageChecks()) |
| fortranOptions.features.WarnOnAllUsage(); |
| } |
| |
| std::unique_ptr<Fortran::semantics::SemanticsContext> |
| CompilerInvocation::getSemanticsCtx( |
| Fortran::parser::AllCookedSources &allCookedSources, |
| const llvm::TargetMachine &targetMachine) { |
| auto &fortranOptions = getFortranOpts(); |
| |
| auto semanticsContext = std::make_unique<semantics::SemanticsContext>( |
| getDefaultKinds(), fortranOptions.features, allCookedSources); |
| |
| semanticsContext->set_moduleDirectory(getModuleDir()) |
| .set_searchDirectories(fortranOptions.searchDirectories) |
| .set_intrinsicModuleDirectories(fortranOptions.intrinsicModuleDirectories) |
| .set_warningsAreErrors(getWarnAsErr()) |
| .set_moduleFileSuffix(getModuleFileSuffix()) |
| .set_underscoring(getCodeGenOpts().Underscoring); |
| |
| std::string compilerVersion = Fortran::common::getFlangFullVersion(); |
| Fortran::tools::setUpTargetCharacteristics( |
| semanticsContext->targetCharacteristics(), targetMachine, compilerVersion, |
| allCompilerInvocOpts); |
| return semanticsContext; |
| } |
| |
| /// Set \p loweringOptions controlling lowering behavior based |
| /// on the \p optimizationLevel. |
| void CompilerInvocation::setLoweringOptions() { |
| const CodeGenOptions &codegenOpts = getCodeGenOpts(); |
| |
| // Lower TRANSPOSE as a runtime call under -O0. |
| loweringOpts.setOptimizeTranspose(codegenOpts.OptimizationLevel > 0); |
| loweringOpts.setUnderscoring(codegenOpts.Underscoring); |
| |
| const LangOptions &langOptions = getLangOpts(); |
| Fortran::common::MathOptionsBase &mathOpts = loweringOpts.getMathOptions(); |
| // TODO: when LangOptions are finalized, we can represent |
| // the math related options using Fortran::commmon::MathOptionsBase, |
| // so that we can just copy it into LoweringOptions. |
| mathOpts |
| .setFPContractEnabled(langOptions.getFPContractMode() == |
| LangOptions::FPM_Fast) |
| .setNoHonorInfs(langOptions.NoHonorInfs) |
| .setNoHonorNaNs(langOptions.NoHonorNaNs) |
| .setApproxFunc(langOptions.ApproxFunc) |
| .setNoSignedZeros(langOptions.NoSignedZeros) |
| .setAssociativeMath(langOptions.AssociativeMath) |
| .setReciprocalMath(langOptions.ReciprocalMath); |
| } |
