mirror of
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06eb10dadf
This does a global rename from `flang-new` to `flang`. I also removed/changed any TODOs that I found related to making this change. --------- Co-authored-by: H. Vetinari <h.vetinari@gmx.com> Co-authored-by: Andrzej Warzynski <andrzej.warzynski@arm.com>
1588 lines
60 KiB
C++
1588 lines
60 KiB
C++
//===- CompilerInvocation.cpp ---------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// Coding style: https://mlir.llvm.org/getting_started/DeveloperGuide/
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//
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//===----------------------------------------------------------------------===//
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#include "flang/Frontend/CompilerInvocation.h"
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#include "flang/Common/Fortran-features.h"
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#include "flang/Common/OpenMP-features.h"
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#include "flang/Common/Version.h"
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#include "flang/Frontend/CodeGenOptions.h"
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#include "flang/Frontend/PreprocessorOptions.h"
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#include "flang/Frontend/TargetOptions.h"
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#include "flang/Semantics/semantics.h"
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#include "flang/Tools/TargetSetup.h"
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#include "flang/Version.inc"
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#include "clang/Basic/AllDiagnostics.h"
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#include "clang/Basic/DiagnosticDriver.h"
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#include "clang/Basic/DiagnosticOptions.h"
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#include "clang/Driver/DriverDiagnostic.h"
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#include "clang/Driver/OptionUtils.h"
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#include "clang/Driver/Options.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/ADT/StringSwitch.h"
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#include "llvm/Frontend/Debug/Options.h"
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#include "llvm/Option/Arg.h"
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#include "llvm/Option/ArgList.h"
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#include "llvm/Option/OptTable.h"
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#include "llvm/Support/CodeGen.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/FileUtilities.h"
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#include "llvm/Support/Path.h"
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#include "llvm/Support/Process.h"
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#include "llvm/Support/raw_ostream.h"
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#include "llvm/TargetParser/Host.h"
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#include "llvm/TargetParser/Triple.h"
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#include <algorithm>
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#include <cstdlib>
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#include <memory>
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#include <optional>
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using namespace Fortran::frontend;
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//===----------------------------------------------------------------------===//
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// Initialization.
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//===----------------------------------------------------------------------===//
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CompilerInvocationBase::CompilerInvocationBase()
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: diagnosticOpts(new clang::DiagnosticOptions()),
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preprocessorOpts(new PreprocessorOptions()) {}
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CompilerInvocationBase::CompilerInvocationBase(const CompilerInvocationBase &x)
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: diagnosticOpts(new clang::DiagnosticOptions(x.getDiagnosticOpts())),
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preprocessorOpts(new PreprocessorOptions(x.getPreprocessorOpts())) {}
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CompilerInvocationBase::~CompilerInvocationBase() = default;
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//===----------------------------------------------------------------------===//
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// Deserialization (from args)
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//===----------------------------------------------------------------------===//
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static bool parseShowColorsArgs(const llvm::opt::ArgList &args,
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bool defaultColor = true) {
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// Color diagnostics default to auto ("on" if terminal supports) in the
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// compiler driver `flang` but default to off in the frontend driver
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// `flang -fc1`, needing an explicit OPT_fdiagnostics_color.
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// Support both clang's -f[no-]color-diagnostics and gcc's
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// -f[no-]diagnostics-colors[=never|always|auto].
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enum {
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Colors_On,
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Colors_Off,
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Colors_Auto
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} showColors = defaultColor ? Colors_Auto : Colors_Off;
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for (auto *a : args) {
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const llvm::opt::Option &opt = a->getOption();
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if (opt.matches(clang::driver::options::OPT_fcolor_diagnostics)) {
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showColors = Colors_On;
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} else if (opt.matches(clang::driver::options::OPT_fno_color_diagnostics)) {
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showColors = Colors_Off;
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} else if (opt.matches(clang::driver::options::OPT_fdiagnostics_color_EQ)) {
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llvm::StringRef value(a->getValue());
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if (value == "always")
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showColors = Colors_On;
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else if (value == "never")
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showColors = Colors_Off;
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else if (value == "auto")
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showColors = Colors_Auto;
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}
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}
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return showColors == Colors_On ||
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(showColors == Colors_Auto &&
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llvm::sys::Process::StandardErrHasColors());
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}
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/// Extracts the optimisation level from \a args.
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static unsigned getOptimizationLevel(llvm::opt::ArgList &args,
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clang::DiagnosticsEngine &diags) {
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unsigned defaultOpt = 0;
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if (llvm::opt::Arg *a =
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args.getLastArg(clang::driver::options::OPT_O_Group)) {
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if (a->getOption().matches(clang::driver::options::OPT_O0))
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return 0;
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assert(a->getOption().matches(clang::driver::options::OPT_O));
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return getLastArgIntValue(args, clang::driver::options::OPT_O, defaultOpt,
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diags);
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}
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return defaultOpt;
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}
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bool Fortran::frontend::parseDiagnosticArgs(clang::DiagnosticOptions &opts,
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llvm::opt::ArgList &args) {
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opts.ShowColors = parseShowColorsArgs(args);
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return true;
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}
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static bool parseDebugArgs(Fortran::frontend::CodeGenOptions &opts,
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llvm::opt::ArgList &args,
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clang::DiagnosticsEngine &diags) {
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using DebugInfoKind = llvm::codegenoptions::DebugInfoKind;
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if (llvm::opt::Arg *arg =
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args.getLastArg(clang::driver::options::OPT_debug_info_kind_EQ)) {
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std::optional<DebugInfoKind> val =
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llvm::StringSwitch<std::optional<DebugInfoKind>>(arg->getValue())
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.Case("line-tables-only", llvm::codegenoptions::DebugLineTablesOnly)
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.Case("line-directives-only",
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llvm::codegenoptions::DebugDirectivesOnly)
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.Case("constructor", llvm::codegenoptions::DebugInfoConstructor)
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.Case("limited", llvm::codegenoptions::LimitedDebugInfo)
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.Case("standalone", llvm::codegenoptions::FullDebugInfo)
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.Case("unused-types", llvm::codegenoptions::UnusedTypeInfo)
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.Default(std::nullopt);
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if (!val.has_value()) {
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diags.Report(clang::diag::err_drv_invalid_value)
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<< arg->getAsString(args) << arg->getValue();
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return false;
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}
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opts.setDebugInfo(val.value());
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if (val != llvm::codegenoptions::DebugLineTablesOnly &&
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val != llvm::codegenoptions::FullDebugInfo &&
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val != llvm::codegenoptions::NoDebugInfo) {
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const auto debugWarning = diags.getCustomDiagID(
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clang::DiagnosticsEngine::Warning, "Unsupported debug option: %0");
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diags.Report(debugWarning) << arg->getValue();
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}
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}
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return true;
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}
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static bool parseVectorLibArg(Fortran::frontend::CodeGenOptions &opts,
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llvm::opt::ArgList &args,
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clang::DiagnosticsEngine &diags) {
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llvm::opt::Arg *arg = args.getLastArg(clang::driver::options::OPT_fveclib);
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if (!arg)
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return true;
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using VectorLibrary = llvm::driver::VectorLibrary;
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std::optional<VectorLibrary> val =
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llvm::StringSwitch<std::optional<VectorLibrary>>(arg->getValue())
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.Case("Accelerate", VectorLibrary::Accelerate)
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.Case("LIBMVEC", VectorLibrary::LIBMVEC)
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.Case("MASSV", VectorLibrary::MASSV)
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.Case("SVML", VectorLibrary::SVML)
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.Case("SLEEF", VectorLibrary::SLEEF)
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.Case("Darwin_libsystem_m", VectorLibrary::Darwin_libsystem_m)
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.Case("ArmPL", VectorLibrary::ArmPL)
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.Case("NoLibrary", VectorLibrary::NoLibrary)
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.Default(std::nullopt);
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if (!val.has_value()) {
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diags.Report(clang::diag::err_drv_invalid_value)
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<< arg->getAsString(args) << arg->getValue();
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return false;
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}
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opts.setVecLib(val.value());
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return true;
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}
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// Generate an OptRemark object containing info on if the -Rgroup
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// specified is enabled or not.
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static CodeGenOptions::OptRemark
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parseOptimizationRemark(clang::DiagnosticsEngine &diags,
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llvm::opt::ArgList &args, llvm::opt::OptSpecifier optEq,
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llvm::StringRef remarkOptName) {
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assert((remarkOptName == "pass" || remarkOptName == "pass-missed" ||
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remarkOptName == "pass-analysis") &&
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"Unsupported remark option name provided.");
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CodeGenOptions::OptRemark result;
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for (llvm::opt::Arg *a : args) {
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if (a->getOption().matches(clang::driver::options::OPT_R_Joined)) {
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llvm::StringRef value = a->getValue();
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if (value == remarkOptName) {
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result.Kind = CodeGenOptions::RemarkKind::RK_Enabled;
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// Enable everything
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result.Pattern = ".*";
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result.Regex = std::make_shared<llvm::Regex>(result.Pattern);
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} else if (value.split('-') ==
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std::make_pair(llvm::StringRef("no"), remarkOptName)) {
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result.Kind = CodeGenOptions::RemarkKind::RK_Disabled;
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// Disable everything
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result.Pattern = "";
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result.Regex = nullptr;
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}
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} else if (a->getOption().matches(optEq)) {
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result.Kind = CodeGenOptions::RemarkKind::RK_WithPattern;
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result.Pattern = a->getValue();
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result.Regex = std::make_shared<llvm::Regex>(result.Pattern);
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std::string regexError;
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if (!result.Regex->isValid(regexError)) {
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diags.Report(clang::diag::err_drv_optimization_remark_pattern)
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<< regexError << a->getAsString(args);
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return CodeGenOptions::OptRemark();
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}
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}
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}
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return result;
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}
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static void parseCodeGenArgs(Fortran::frontend::CodeGenOptions &opts,
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llvm::opt::ArgList &args,
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clang::DiagnosticsEngine &diags) {
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opts.OptimizationLevel = getOptimizationLevel(args, diags);
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if (args.hasFlag(clang::driver::options::OPT_fdebug_pass_manager,
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clang::driver::options::OPT_fno_debug_pass_manager, false))
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opts.DebugPassManager = 1;
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if (args.hasFlag(clang::driver::options::OPT_fstack_arrays,
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clang::driver::options::OPT_fno_stack_arrays, false))
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opts.StackArrays = 1;
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if (args.hasFlag(clang::driver::options::OPT_floop_versioning,
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clang::driver::options::OPT_fno_loop_versioning, false))
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opts.LoopVersioning = 1;
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opts.AliasAnalysis = opts.OptimizationLevel > 0;
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// -mframe-pointer=none/non-leaf/all option.
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if (const llvm::opt::Arg *a =
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args.getLastArg(clang::driver::options::OPT_mframe_pointer_EQ)) {
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std::optional<llvm::FramePointerKind> val =
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llvm::StringSwitch<std::optional<llvm::FramePointerKind>>(a->getValue())
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.Case("none", llvm::FramePointerKind::None)
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.Case("non-leaf", llvm::FramePointerKind::NonLeaf)
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.Case("all", llvm::FramePointerKind::All)
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.Default(std::nullopt);
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if (!val.has_value()) {
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diags.Report(clang::diag::err_drv_invalid_value)
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<< a->getAsString(args) << a->getValue();
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} else
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opts.setFramePointer(val.value());
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}
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for (auto *a : args.filtered(clang::driver::options::OPT_fpass_plugin_EQ))
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opts.LLVMPassPlugins.push_back(a->getValue());
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// -fembed-offload-object option
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for (auto *a :
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args.filtered(clang::driver::options::OPT_fembed_offload_object_EQ))
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opts.OffloadObjects.push_back(a->getValue());
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// -flto=full/thin option.
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if (const llvm::opt::Arg *a =
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args.getLastArg(clang::driver::options::OPT_flto_EQ)) {
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llvm::StringRef s = a->getValue();
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assert((s == "full" || s == "thin") && "Unknown LTO mode.");
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if (s == "full")
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opts.PrepareForFullLTO = true;
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else
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opts.PrepareForThinLTO = true;
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}
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if (const llvm::opt::Arg *a = args.getLastArg(
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clang::driver::options::OPT_mcode_object_version_EQ)) {
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llvm::StringRef s = a->getValue();
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if (s == "6")
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opts.CodeObjectVersion = llvm::CodeObjectVersionKind::COV_6;
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if (s == "5")
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opts.CodeObjectVersion = llvm::CodeObjectVersionKind::COV_5;
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if (s == "4")
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opts.CodeObjectVersion = llvm::CodeObjectVersionKind::COV_4;
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if (s == "none")
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opts.CodeObjectVersion = llvm::CodeObjectVersionKind::COV_None;
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}
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// -f[no-]save-optimization-record[=<format>]
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if (const llvm::opt::Arg *a =
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args.getLastArg(clang::driver::options::OPT_opt_record_file))
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opts.OptRecordFile = a->getValue();
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// Optimization file format. Defaults to yaml
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if (const llvm::opt::Arg *a =
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args.getLastArg(clang::driver::options::OPT_opt_record_format))
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opts.OptRecordFormat = a->getValue();
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// Specifies, using a regex, which successful optimization passes(middle and
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// backend), to include in the final optimization record file generated. If
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// not provided -fsave-optimization-record will include all passes.
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if (const llvm::opt::Arg *a =
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args.getLastArg(clang::driver::options::OPT_opt_record_passes))
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opts.OptRecordPasses = a->getValue();
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// Create OptRemark that allows printing of all successful optimization
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// passes applied.
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opts.OptimizationRemark =
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parseOptimizationRemark(diags, args, clang::driver::options::OPT_Rpass_EQ,
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/*remarkOptName=*/"pass");
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// Create OptRemark that allows all missed optimization passes to be printed.
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opts.OptimizationRemarkMissed = parseOptimizationRemark(
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diags, args, clang::driver::options::OPT_Rpass_missed_EQ,
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/*remarkOptName=*/"pass-missed");
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// Create OptRemark that allows all optimization decisions made by LLVM
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// to be printed.
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opts.OptimizationRemarkAnalysis = parseOptimizationRemark(
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diags, args, clang::driver::options::OPT_Rpass_analysis_EQ,
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/*remarkOptName=*/"pass-analysis");
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if (opts.getDebugInfo() == llvm::codegenoptions::NoDebugInfo) {
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// If the user requested a flag that requires source locations available in
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// the backend, make sure that the backend tracks source location
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// information.
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bool needLocTracking = !opts.OptRecordFile.empty() ||
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!opts.OptRecordPasses.empty() ||
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!opts.OptRecordFormat.empty() ||
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opts.OptimizationRemark.hasValidPattern() ||
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opts.OptimizationRemarkMissed.hasValidPattern() ||
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opts.OptimizationRemarkAnalysis.hasValidPattern();
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if (needLocTracking)
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opts.setDebugInfo(llvm::codegenoptions::LocTrackingOnly);
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}
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if (auto *a = args.getLastArg(clang::driver::options::OPT_save_temps_EQ))
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opts.SaveTempsDir = a->getValue();
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// -mlink-builtin-bitcode
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for (auto *a :
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args.filtered(clang::driver::options::OPT_mlink_builtin_bitcode))
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opts.BuiltinBCLibs.push_back(a->getValue());
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// -mrelocation-model option.
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if (const llvm::opt::Arg *a =
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args.getLastArg(clang::driver::options::OPT_mrelocation_model)) {
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llvm::StringRef modelName = a->getValue();
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auto relocModel =
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llvm::StringSwitch<std::optional<llvm::Reloc::Model>>(modelName)
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.Case("static", llvm::Reloc::Static)
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.Case("pic", llvm::Reloc::PIC_)
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.Case("dynamic-no-pic", llvm::Reloc::DynamicNoPIC)
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.Case("ropi", llvm::Reloc::ROPI)
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.Case("rwpi", llvm::Reloc::RWPI)
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.Case("ropi-rwpi", llvm::Reloc::ROPI_RWPI)
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.Default(std::nullopt);
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if (relocModel.has_value())
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opts.setRelocationModel(*relocModel);
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else
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diags.Report(clang::diag::err_drv_invalid_value)
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<< a->getAsString(args) << modelName;
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}
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// -pic-level and -pic-is-pie option.
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if (int picLevel = getLastArgIntValue(
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args, clang::driver::options::OPT_pic_level, 0, diags)) {
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if (picLevel > 2)
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diags.Report(clang::diag::err_drv_invalid_value)
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<< args.getLastArg(clang::driver::options::OPT_pic_level)
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->getAsString(args)
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<< picLevel;
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opts.PICLevel = picLevel;
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if (args.hasArg(clang::driver::options::OPT_pic_is_pie))
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opts.IsPIE = 1;
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}
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// -mcmodel option.
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if (const llvm::opt::Arg *a =
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args.getLastArg(clang::driver::options::OPT_mcmodel_EQ)) {
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llvm::StringRef modelName = a->getValue();
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std::optional<llvm::CodeModel::Model> codeModel = getCodeModel(modelName);
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if (codeModel.has_value())
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opts.CodeModel = modelName;
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else
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diags.Report(clang::diag::err_drv_invalid_value)
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<< a->getAsString(args) << modelName;
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}
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if (const llvm::opt::Arg *arg = args.getLastArg(
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clang::driver::options::OPT_mlarge_data_threshold_EQ)) {
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uint64_t LDT;
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if (llvm::StringRef(arg->getValue()).getAsInteger(/*Radix=*/10, LDT)) {
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diags.Report(clang::diag::err_drv_invalid_value)
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<< arg->getSpelling() << arg->getValue();
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}
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opts.LargeDataThreshold = LDT;
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}
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// This option is compatible with -f[no-]underscoring in gfortran.
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if (args.hasFlag(clang::driver::options::OPT_fno_underscoring,
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clang::driver::options::OPT_funderscoring, false)) {
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opts.Underscoring = 0;
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}
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}
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/// Parses all target input arguments and populates the target
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/// options accordingly.
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///
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/// \param [in] opts The target options instance to update
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/// \param [in] args The list of input arguments (from the compiler invocation)
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static void parseTargetArgs(TargetOptions &opts, llvm::opt::ArgList &args) {
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if (const llvm::opt::Arg *a =
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args.getLastArg(clang::driver::options::OPT_triple))
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opts.triple = a->getValue();
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if (const llvm::opt::Arg *a =
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args.getLastArg(clang::driver::options::OPT_target_cpu))
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opts.cpu = a->getValue();
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|
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if (const llvm::opt::Arg *a =
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args.getLastArg(clang::driver::options::OPT_tune_cpu))
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opts.cpuToTuneFor = a->getValue();
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for (const llvm::opt::Arg *currentArg :
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args.filtered(clang::driver::options::OPT_target_feature))
|
|
opts.featuresAsWritten.emplace_back(currentArg->getValue());
|
|
|
|
if (args.hasArg(clang::driver::options::OPT_fdisable_real_10))
|
|
opts.disabledRealKinds.push_back(10);
|
|
|
|
if (args.hasArg(clang::driver::options::OPT_fdisable_real_3))
|
|
opts.disabledRealKinds.push_back(3);
|
|
|
|
if (args.hasArg(clang::driver::options::OPT_fdisable_integer_2))
|
|
opts.disabledIntegerKinds.push_back(2);
|
|
|
|
if (args.hasArg(clang::driver::options::OPT_fdisable_integer_16))
|
|
opts.disabledIntegerKinds.push_back(16);
|
|
}
|
|
// 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_unparse_with_modules:
|
|
opts.programAction = DebugUnparseWithModules;
|
|
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.preprocessIncludeLines =
|
|
args.hasArg(clang::driver::options::OPT_fpreprocess_include_lines);
|
|
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
|
|
std::vector<std::string> moduleDirList =
|
|
args.getAllArgValues(clang::driver::options::OPT_module_dir);
|
|
// User can only specify one -J/-module-dir directory, but may repeat
|
|
// -J/-module-dir as long as the directory is the same each time.
|
|
// https://gcc.gnu.org/onlinedocs/gfortran/Directory-Options.html
|
|
std::sort(moduleDirList.begin(), moduleDirList.end());
|
|
moduleDirList.erase(std::unique(moduleDirList.begin(), moduleDirList.end()),
|
|
moduleDirList.end());
|
|
if (moduleDirList.size() > 1) {
|
|
const unsigned diagID =
|
|
diags.getCustomDiagID(clang::DiagnosticsEngine::Error,
|
|
"Only one '-module-dir/-J' directory allowed. "
|
|
"'-module-dir/-J' may be given multiple times "
|
|
"but the directory must be the same each time.");
|
|
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);
|
|
}
|
|
|
|
// -fhermetic-module-files option
|
|
if (args.hasArg(clang::driver::options::OPT_fhermetic_module_files)) {
|
|
res.setHermeticModuleFileOutput(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 -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 == "cuda") {
|
|
res.getFrontendOpts().features.Enable(
|
|
Fortran::common::LanguageFeature::CUDA);
|
|
}
|
|
|
|
// -fopenacc
|
|
if (args.hasArg(clang::driver::options::OPT_fopenacc)) {
|
|
res.getFrontendOpts().features.Enable(
|
|
Fortran::common::LanguageFeature::OpenACC);
|
|
}
|
|
|
|
// -pedantic
|
|
if (args.hasArg(clang::driver::options::OPT_pedantic)) {
|
|
res.setEnableConformanceChecks();
|
|
res.setEnableUsageChecks();
|
|
}
|
|
|
|
// -w
|
|
if (args.hasArg(clang::driver::options::OPT_w))
|
|
res.setDisableWarnings();
|
|
|
|
// -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 == "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 OpenMP related arguments if the -fopenmp option is present,
|
|
/// populating the \c res object accordingly. Returns false if new errors are
|
|
/// generated.
|
|
static bool parseOpenMPArgs(CompilerInvocation &res, llvm::opt::ArgList &args,
|
|
clang::DiagnosticsEngine &diags) {
|
|
llvm::opt::Arg *arg = args.getLastArg(clang::driver::options::OPT_fopenmp,
|
|
clang::driver::options::OPT_fno_openmp);
|
|
if (!arg || arg->getOption().matches(clang::driver::options::OPT_fno_openmp))
|
|
return true;
|
|
|
|
unsigned numErrorsBefore = diags.getNumErrors();
|
|
llvm::Triple t(res.getTargetOpts().triple);
|
|
|
|
// 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_force_usm)) {
|
|
res.getLangOpts().OpenMPForceUSM = 1;
|
|
}
|
|
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;
|
|
}
|
|
|
|
// Get the OpenMP target triples if any.
|
|
if (auto *arg =
|
|
args.getLastArg(clang::driver::options::OPT_fopenmp_targets_EQ)) {
|
|
enum ArchPtrSize { Arch16Bit, Arch32Bit, Arch64Bit };
|
|
auto getArchPtrSize = [](const llvm::Triple &triple) {
|
|
if (triple.isArch16Bit())
|
|
return Arch16Bit;
|
|
if (triple.isArch32Bit())
|
|
return Arch32Bit;
|
|
assert(triple.isArch64Bit() && "Expected 64-bit architecture");
|
|
return Arch64Bit;
|
|
};
|
|
|
|
for (unsigned i = 0; i < arg->getNumValues(); ++i) {
|
|
llvm::Triple tt(arg->getValue(i));
|
|
|
|
if (tt.getArch() == llvm::Triple::UnknownArch ||
|
|
!(tt.getArch() == llvm::Triple::aarch64 || tt.isPPC() ||
|
|
tt.getArch() == llvm::Triple::systemz ||
|
|
tt.getArch() == llvm::Triple::nvptx ||
|
|
tt.getArch() == llvm::Triple::nvptx64 ||
|
|
tt.getArch() == llvm::Triple::amdgcn ||
|
|
tt.getArch() == llvm::Triple::x86 ||
|
|
tt.getArch() == llvm::Triple::x86_64))
|
|
diags.Report(clang::diag::err_drv_invalid_omp_target)
|
|
<< arg->getValue(i);
|
|
else if (getArchPtrSize(t) != getArchPtrSize(tt))
|
|
diags.Report(clang::diag::err_drv_incompatible_omp_arch)
|
|
<< arg->getValue(i) << t.str();
|
|
else
|
|
res.getLangOpts().OMPTargetTriples.push_back(tt);
|
|
}
|
|
}
|
|
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) {
|
|
Fortran::common::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 Fortran::common::LangOptions::FPModeKind fpContractMode;
|
|
|
|
if (val == "off")
|
|
fpContractMode = Fortran::common::LangOptions::FPM_Off;
|
|
else if (val == "fast")
|
|
fpContractMode = Fortran::common::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_infs)) {
|
|
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(Fortran::common::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;
|
|
}
|
|
|
|
Fortran::common::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);
|
|
}
|
|
|
|
// -flang-experimental-integer-overflow
|
|
if (args.hasArg(
|
|
clang::driver::options::OPT_flang_experimental_integer_overflow)) {
|
|
invoc.loweringOpts.setNSWOnLoopVarInc(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 &= parseOpenMPArgs(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;
|
|
|
|
// -E
|
|
fortranOptions.prescanAndReformat =
|
|
frontendOptions.programAction == PrintPreprocessedInput;
|
|
|
|
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();
|
|
|
|
if (getDisableWarnings()) {
|
|
fortranOptions.features.DisableAllNonstandardWarnings();
|
|
fortranOptions.features.DisableAllUsageWarnings();
|
|
}
|
|
}
|
|
|
|
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, getLangOpts(),
|
|
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, getTargetOpts(),
|
|
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 Fortran::common::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() ==
|
|
Fortran::common::LangOptions::FPM_Fast)
|
|
.setNoHonorInfs(langOptions.NoHonorInfs)
|
|
.setNoHonorNaNs(langOptions.NoHonorNaNs)
|
|
.setApproxFunc(langOptions.ApproxFunc)
|
|
.setNoSignedZeros(langOptions.NoSignedZeros)
|
|
.setAssociativeMath(langOptions.AssociativeMath)
|
|
.setReciprocalMath(langOptions.ReciprocalMath);
|
|
}
|