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ToolChains.cpp
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//===--- ToolChains.cpp - Job invocations (general and per-platform) ------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2019 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
#include "ToolChains.h"
#include "swift/AST/DiagnosticsDriver.h"
#include "swift/Basic/LLVM.h"
#include "swift/Basic/Platform.h"
#include "swift/Basic/Range.h"
#include "swift/Basic/STLExtras.h"
#include "swift/Basic/TaskQueue.h"
#include "swift/Config.h"
#include "swift/Driver/Compilation.h"
#include "swift/Driver/Driver.h"
#include "swift/Driver/Job.h"
#include "swift/Frontend/Frontend.h"
#include "swift/Option/Options.h"
#include "clang/Basic/Version.h"
#include "clang/Driver/Util.h"
#include "llvm/ADT/DenseSet.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/Option/Arg.h"
#include "llvm/Option/ArgList.h"
#include "llvm/ProfileData/InstrProf.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/Process.h"
#include "llvm/Support/Program.h"
using namespace swift;
using namespace swift::driver;
using namespace llvm::opt;
bool ToolChain::JobContext::shouldUseInputFileList() const {
return getTopLevelInputFiles().size() > C.getFilelistThreshold();
}
bool ToolChain::JobContext::shouldUsePrimaryInputFileListInFrontendInvocation()
const {
return InputActions.size() > C.getFilelistThreshold();
}
bool ToolChain::JobContext::shouldUseMainOutputFileListInFrontendInvocation()
const {
return Output.getPrimaryOutputFilenames().size() > C.getFilelistThreshold();
}
bool ToolChain::JobContext::
shouldUseSupplementaryOutputFileMapInFrontendInvocation() const {
static const unsigned UpperBoundOnSupplementaryOutputFileTypes =
file_types::TY_INVALID;
return InputActions.size() * UpperBoundOnSupplementaryOutputFileTypes >
C.getFilelistThreshold();
}
bool ToolChain::JobContext::shouldFilterFrontendInputsByType() const {
// FIXME: SingleCompile has not filtered its inputs in the past and now people
// rely upon that. But we would like the compilation modes to be consistent.
return OI.CompilerMode != OutputInfo::Mode::SingleCompile;
}
void ToolChain::addInputsOfType(ArgStringList &Arguments,
ArrayRef<const Action *> Inputs,
file_types::ID InputType,
const char *PrefixArgument) const {
for (auto &Input : Inputs) {
if (Input->getType() != InputType)
continue;
if (PrefixArgument)
Arguments.push_back(PrefixArgument);
Arguments.push_back(cast<InputAction>(Input)->getInputArg().getValue());
}
}
void ToolChain::addInputsOfType(ArgStringList &Arguments,
ArrayRef<const Job *> Jobs,
const llvm::opt::ArgList &Args,
file_types::ID InputType,
const char *PrefixArgument) const {
for (const Job *Cmd : Jobs) {
auto output = Cmd->getOutput().getAnyOutputForType(InputType);
if (!output.empty()) {
if (PrefixArgument)
Arguments.push_back(PrefixArgument);
Arguments.push_back(Args.MakeArgString(output));
}
}
}
void ToolChain::addPrimaryInputsOfType(ArgStringList &Arguments,
ArrayRef<const Job *> Jobs,
const llvm::opt::ArgList &Args,
file_types::ID InputType,
const char *PrefixArgument) const {
for (const Job *Cmd : Jobs) {
auto &outputInfo = Cmd->getOutput();
if (outputInfo.getPrimaryOutputType() == InputType) {
for (auto Output : outputInfo.getPrimaryOutputFilenames()) {
if (PrefixArgument)
Arguments.push_back(PrefixArgument);
Arguments.push_back(Args.MakeArgString(Output));
}
}
}
}
static bool addOutputsOfType(ArgStringList &Arguments,
CommandOutput const &Output,
const llvm::opt::ArgList &Args,
file_types::ID OutputType,
const char *PrefixArgument = nullptr) {
bool Added = false;
for (auto Output : Output.getAdditionalOutputsForType(OutputType)) {
assert(!Output.empty());
if (PrefixArgument)
Arguments.push_back(PrefixArgument);
Arguments.push_back(Args.MakeArgString(Output));
Added = true;
}
return Added;
}
static void addLTOArgs(const OutputInfo &OI, ArgStringList &arguments) {
switch (OI.LTOVariant) {
case OutputInfo::LTOKind::None:
break;
case OutputInfo::LTOKind::LLVMThin:
arguments.push_back("-lto=llvm-thin");
break;
case OutputInfo::LTOKind::LLVMFull:
arguments.push_back("-lto=llvm-full");
break;
}
}
namespace {
template<typename Container>
bool containsValue(
const Container &container,
typename Container::value_type const &element
) {
for (const auto &value : container) {
if (value == element)
return true;
}
return false;
}
}
void ToolChain::addCommonFrontendArgs(const OutputInfo &OI,
const CommandOutput &output,
const ArgList &inputArgs,
ArgStringList &arguments) const {
// Only pass -target to the REPL or immediate modes if it was explicitly
// specified on the command line.
switch (OI.CompilerMode) {
case OutputInfo::Mode::REPL:
case OutputInfo::Mode::Immediate:
if (!inputArgs.hasArg(options::OPT_target))
break;
LLVM_FALLTHROUGH;
case OutputInfo::Mode::StandardCompile:
case OutputInfo::Mode::SingleCompile:
case OutputInfo::Mode::BatchModeCompile:
arguments.push_back("-target");
arguments.push_back(inputArgs.MakeArgString(Triple.str()));
break;
}
if (const Arg *variant = inputArgs.getLastArg(options::OPT_target_variant)) {
arguments.push_back("-target-variant");
std::string normalized = llvm::Triple::normalize(variant->getValue());
arguments.push_back(inputArgs.MakeArgString(normalized));
}
// Enable address top-byte ignored in the ARM64 backend.
if (Triple.getArch() == llvm::Triple::aarch64 ||
Triple.getArch() == llvm::Triple::aarch64_32) {
arguments.push_back("-Xllvm");
arguments.push_back("-aarch64-use-tbi");
}
// Enable or disable ObjC interop appropriately for the platform
if (Triple.isOSDarwin() &&
!containsValue(
inputArgs
.getAllArgValues(options::OPT_enable_experimental_feature),
"Embedded")) {
arguments.push_back("-enable-objc-interop");
} else {
arguments.push_back("-disable-objc-interop");
}
// Add flags for C++ interop.
if (const Arg *arg =
inputArgs.getLastArg(options::OPT_experimental_cxx_stdlib)) {
arguments.push_back("-Xcc");
arguments.push_back(
inputArgs.MakeArgString(Twine("-stdlib=") + arg->getValue()));
}
if (inputArgs.hasArg(options::OPT_experimental_hermetic_seal_at_link)) {
arguments.push_back("-enable-llvm-vfe");
arguments.push_back("-enable-llvm-wme");
arguments.push_back("-conditional-runtime-records");
arguments.push_back("-internalize-at-link");
}
// Handle the CPU and its preferences.
inputArgs.AddLastArg(arguments, options::OPT_target_cpu);
if (!OI.SDKPath.empty()) {
arguments.push_back("-sdk");
arguments.push_back(inputArgs.MakeArgString(OI.SDKPath));
}
if (const Arg *A = inputArgs.getLastArg(options::OPT_windows_sdk_root)) {
arguments.push_back("-windows-sdk-root");
arguments.push_back(inputArgs.MakeArgString(A->getValue()));
}
if (const Arg *A = inputArgs.getLastArg(options::OPT_windows_sdk_version)) {
arguments.push_back("-windows-sdk-version");
arguments.push_back(inputArgs.MakeArgString(A->getValue()));
}
if (const Arg *A = inputArgs.getLastArg(options::OPT_visualc_tools_root)) {
arguments.push_back("-visualc-tools-root");
arguments.push_back(inputArgs.MakeArgString(A->getValue()));
}
if (const Arg *A = inputArgs.getLastArg(options::OPT_visualc_tools_version)) {
arguments.push_back("-visualc-tools-version");
arguments.push_back(inputArgs.MakeArgString(A->getValue()));
}
if (llvm::sys::Process::StandardErrHasColors()) {
arguments.push_back("-color-diagnostics");
}
inputArgs.AddAllArgs(arguments, options::OPT_I);
inputArgs.AddAllArgs(arguments, options::OPT_F, options::OPT_Fsystem);
inputArgs.AddAllArgs(arguments, options::OPT_vfsoverlay);
inputArgs.AddLastArg(arguments, options::OPT_AssertConfig);
inputArgs.AddLastArg(arguments, options::OPT_autolink_force_load);
inputArgs.AddLastArg(arguments,
options::OPT_color_diagnostics,
options::OPT_no_color_diagnostics);
inputArgs.AddLastArg(arguments, options::OPT_fixit_all);
inputArgs.AddLastArg(arguments,
options::OPT_warn_swift3_objc_inference_minimal,
options::OPT_warn_swift3_objc_inference_complete);
inputArgs.AddLastArg(arguments,
options::OPT_enable_actor_data_race_checks,
options::OPT_disable_actor_data_race_checks);
inputArgs.AddLastArg(arguments, options::OPT_warn_concurrency);
inputArgs.AddLastArg(arguments, options::OPT_strict_concurrency);
inputArgs.AddAllArgs(arguments, options::OPT_enable_experimental_feature);
inputArgs.AddAllArgs(arguments, options::OPT_enable_upcoming_feature);
inputArgs.AddLastArg(arguments, options::OPT_warn_implicit_overrides);
inputArgs.AddLastArg(arguments, options::OPT_typo_correction_limit);
inputArgs.AddLastArg(arguments, options::OPT_enable_app_extension);
inputArgs.AddLastArg(arguments, options::OPT_enable_app_extension_library);
inputArgs.AddLastArg(arguments, options::OPT_enable_library_evolution);
inputArgs.AddLastArg(arguments, options::OPT_require_explicit_availability);
inputArgs.AddLastArg(arguments, options::OPT_require_explicit_availability_target);
inputArgs.AddLastArg(arguments, options::OPT_require_explicit_availability_EQ);
inputArgs.AddLastArg(arguments, options::OPT_require_explicit_sendable);
inputArgs.AddLastArg(arguments, options::OPT_check_api_availability_only);
inputArgs.AddLastArg(arguments, options::OPT_enable_testing);
inputArgs.AddLastArg(arguments, options::OPT_enable_private_imports);
inputArgs.AddLastArg(arguments, options::OPT_g_Group);
inputArgs.AddLastArg(arguments, options::OPT_debug_info_format);
inputArgs.AddLastArg(arguments, options::OPT_dwarf_version);
inputArgs.AddLastArg(arguments, options::OPT_import_underlying_module);
inputArgs.AddLastArg(arguments, options::OPT_module_cache_path);
inputArgs.AddLastArg(arguments, options::OPT_module_link_name);
inputArgs.AddLastArg(arguments, options::OPT_module_abi_name);
inputArgs.AddLastArg(arguments, options::OPT_package_name);
inputArgs.AddLastArg(arguments, options::OPT_export_as);
inputArgs.AddLastArg(arguments, options::OPT_nostdimport);
inputArgs.AddLastArg(arguments, options::OPT_parse_stdlib);
inputArgs.AddLastArg(arguments, options::OPT_resource_dir);
inputArgs.AddLastArg(arguments, options::OPT_solver_memory_threshold);
inputArgs.AddLastArg(arguments, options::OPT_value_recursion_threshold);
inputArgs.AddLastArg(arguments, options::OPT_warn_swift3_objc_inference);
inputArgs.AddLastArg(arguments, options::OPT_Rpass_EQ);
inputArgs.AddLastArg(arguments, options::OPT_Rpass_missed_EQ);
inputArgs.AddLastArg(arguments, options::OPT_suppress_warnings);
inputArgs.AddLastArg(arguments, options::OPT_suppress_remarks);
inputArgs.AddLastArg(arguments, options::OPT_experimental_package_bypass_resilience);
inputArgs.AddLastArg(arguments, options::OPT_profile_generate);
inputArgs.AddLastArg(arguments, options::OPT_profile_use);
inputArgs.AddLastArg(arguments, options::OPT_profile_coverage_mapping);
inputArgs.AddAllArgs(arguments, options::OPT_warnings_as_errors,
options::OPT_no_warnings_as_errors);
inputArgs.AddLastArg(arguments, options::OPT_sanitize_EQ);
inputArgs.AddLastArg(arguments, options::OPT_sanitize_recover_EQ);
inputArgs.AddLastArg(arguments,
options::OPT_sanitize_address_use_odr_indicator);
inputArgs.AddLastArg(arguments, options::OPT_sanitize_coverage_EQ);
inputArgs.AddLastArg(arguments, options::OPT_sanitize_stable_abi_EQ);
inputArgs.AddLastArg(arguments, options::OPT_static);
inputArgs.AddLastArg(arguments, options::OPT_swift_version);
inputArgs.AddLastArg(arguments, options::OPT_enforce_exclusivity_EQ);
inputArgs.AddLastArg(arguments, options::OPT_stats_output_dir);
inputArgs.AddLastArg(arguments, options::OPT_tools_directory);
inputArgs.AddLastArg(arguments, options::OPT_trace_stats_events);
inputArgs.AddLastArg(arguments, options::OPT_profile_stats_events);
inputArgs.AddLastArg(arguments, options::OPT_profile_stats_entities);
inputArgs.AddLastArg(arguments,
options::OPT_solver_shrink_unsolved_threshold);
inputArgs.AddLastArg(arguments, options::OPT_O_Group);
inputArgs.AddLastArg(arguments, options::OPT_RemoveRuntimeAsserts);
inputArgs.AddLastArg(arguments, options::OPT_AssumeSingleThreaded);
inputArgs.AddLastArg(arguments,
options::OPT_emit_fine_grained_dependency_sourcefile_dot_files);
inputArgs.AddLastArg(arguments, options::OPT_package_description_version);
inputArgs.AddLastArg(arguments, options::OPT_locale);
inputArgs.AddLastArg(arguments, options::OPT_localization_path);
inputArgs.AddLastArg(arguments, options::OPT_serialize_diagnostics_path);
inputArgs.AddLastArg(arguments, options::OPT_debug_diagnostic_names);
inputArgs.AddLastArg(arguments, options::OPT_print_educational_notes);
inputArgs.AddLastArg(arguments, options::OPT_diagnostic_style);
inputArgs.AddLastArg(arguments,
options::OPT_enable_experimental_concise_pound_file);
inputArgs.AddLastArg(arguments, options::OPT_access_notes_path);
inputArgs.AddLastArg(arguments, options::OPT_library_level);
inputArgs.AddLastArg(arguments, options::OPT_enable_bare_slash_regex);
inputArgs.AddLastArg(arguments, options::OPT_enable_experimental_cxx_interop);
inputArgs.AddLastArg(arguments, options::OPT_cxx_interoperability_mode);
inputArgs.AddLastArg(arguments, options::OPT_enable_builtin_module);
// Pass on any build config options
inputArgs.AddAllArgs(arguments, options::OPT_D);
// Pass on file paths that should be remapped in debug info.
inputArgs.AddAllArgs(arguments, options::OPT_debug_prefix_map,
options::OPT_coverage_prefix_map,
options::OPT_file_prefix_map);
std::string globalRemapping = getGlobalDebugPathRemapping();
if (!globalRemapping.empty()) {
arguments.push_back("-debug-prefix-map");
arguments.push_back(inputArgs.MakeArgString(globalRemapping));
}
// Pass through the values passed to -Xfrontend.
inputArgs.AddAllArgValues(arguments, options::OPT_Xfrontend);
// Pass on module names whose symbols should be embedded in tbd.
inputArgs.AddAllArgs(arguments, options::OPT_embed_tbd_for_module);
if (auto *A = inputArgs.getLastArg(options::OPT_working_directory)) {
// Add -Xcc -working-directory before any other -Xcc options to ensure it is
// overridden by an explicit -Xcc -working-directory, although having a
// different working directory is probably incorrect.
SmallString<128> workingDirectory(A->getValue());
llvm::sys::fs::make_absolute(workingDirectory);
arguments.push_back("-Xcc");
arguments.push_back("-working-directory");
arguments.push_back("-Xcc");
arguments.push_back(inputArgs.MakeArgString(workingDirectory));
}
addLTOArgs(OI, arguments);
// -g implies -enable-anonymous-context-mangled-names, because the extra
// metadata aids debugging.
if (inputArgs.hasArg(options::OPT_g)) {
// But don't add the option in optimized builds: it would prevent dead code
// stripping of unused metadata.
auto OptArg = inputArgs.getLastArgNoClaim(options::OPT_O_Group);
if (!OptArg || OptArg->getOption().matches(options::OPT_Onone))
arguments.push_back("-enable-anonymous-context-mangled-names");
// TODO: Should we support -fcoverage-compilation-dir?
inputArgs.AddAllArgs(arguments, options::OPT_file_compilation_dir);
}
// Specify default plugin search path options after explicitly specified
// options.
inputArgs.AddAllArgs(arguments, options::OPT_plugin_search_Group);
addPlatformSpecificPluginFrontendArgs(OI, output, inputArgs, arguments);
addPluginArguments(inputArgs, arguments);
// Pass along -no-verify-emitted-module-interface only if it's effective.
// Assume verification by default as we want to know only when the user skips
// the verification.
if (!inputArgs.hasFlag(options::OPT_verify_emitted_module_interface,
options::OPT_no_verify_emitted_module_interface,
true))
arguments.push_back("-no-verify-emitted-module-interface");
// Pass through any subsystem flags.
inputArgs.AddAllArgs(arguments, options::OPT_Xllvm);
inputArgs.AddAllArgs(arguments, options::OPT_Xcc);
}
void ToolChain::addPlatformSpecificPluginFrontendArgs(
const OutputInfo &OI,
const CommandOutput &output,
const llvm::opt::ArgList &inputArgs,
llvm::opt::ArgStringList &arguments) const {
// Overridden where necessary.
}
static void addRuntimeLibraryFlags(const OutputInfo &OI,
ArgStringList &Arguments) {
if (!OI.RuntimeVariant)
return;
const OutputInfo::MSVCRuntime RT = OI.RuntimeVariant.value();
Arguments.push_back("-autolink-library");
Arguments.push_back("oldnames");
Arguments.push_back("-autolink-library");
switch (RT) {
case OutputInfo::MSVCRuntime::MultiThreaded:
Arguments.push_back("libcmt");
break;
case OutputInfo::MSVCRuntime::MultiThreadedDebug:
Arguments.push_back("libcmtd");
break;
case OutputInfo::MSVCRuntime::MultiThreadedDLL:
Arguments.push_back("msvcrt");
break;
case OutputInfo::MSVCRuntime::MultiThreadedDebugDLL:
Arguments.push_back("msvcrtd");
break;
}
// NOTE(compnerd) we do not support /ML and /MLd
Arguments.push_back("-Xcc");
Arguments.push_back("-D_MT");
if (RT == OutputInfo::MSVCRuntime::MultiThreadedDLL ||
RT == OutputInfo::MSVCRuntime::MultiThreadedDebugDLL) {
Arguments.push_back("-Xcc");
Arguments.push_back("-D_DLL");
}
}
ToolChain::InvocationInfo
ToolChain::constructInvocation(const CompileJobAction &job,
const JobContext &context) const {
InvocationInfo II{SWIFT_EXECUTABLE_NAME};
ArgStringList &Arguments = II.Arguments;
II.allowsResponseFiles = true;
for (auto &s : getDriver().getSwiftProgramArgs())
Arguments.push_back(s.c_str());
Arguments.push_back("-frontend");
{
// Determine the frontend mode option.
const char *FrontendModeOption = context.computeFrontendModeForCompile();
assert(FrontendModeOption != nullptr &&
"No frontend mode option specified!");
Arguments.push_back(FrontendModeOption);
}
context.addFrontendInputAndOutputArguments(Arguments, II.FilelistInfos);
// Forward migrator flags.
if (auto DataPath =
context.Args.getLastArg(options::OPT_api_diff_data_file)) {
Arguments.push_back("-api-diff-data-file");
Arguments.push_back(DataPath->getValue());
}
if (auto DataDir = context.Args.getLastArg(options::OPT_api_diff_data_dir)) {
Arguments.push_back("-api-diff-data-dir");
Arguments.push_back(DataDir->getValue());
}
if (context.Args.hasArg(options::OPT_dump_usr)) {
Arguments.push_back("-dump-usr");
}
if (context.Args.hasArg(options::OPT_parse_stdlib))
Arguments.push_back("-disable-objc-attr-requires-foundation-module");
addCommonFrontendArgs(context.OI, context.Output, context.Args, Arguments);
addRuntimeLibraryFlags(context.OI, Arguments);
// Pass along an -import-objc-header arg, replacing the argument with the name
// of any input PCH to the current action if one is present.
if (context.Args.hasArgNoClaim(options::OPT_import_objc_header)) {
bool ForwardAsIs = true;
bool bridgingPCHIsEnabled =
context.Args.hasFlag(options::OPT_enable_bridging_pch,
options::OPT_disable_bridging_pch, true);
bool usePersistentPCH = bridgingPCHIsEnabled &&
context.Args.hasArg(options::OPT_pch_output_dir);
if (!usePersistentPCH) {
for (auto *IJ : context.Inputs) {
if (!IJ->getOutput().getAnyOutputForType(file_types::TY_PCH).empty()) {
Arguments.push_back("-import-objc-header");
addInputsOfType(Arguments, context.Inputs, context.Args,
file_types::TY_PCH);
ForwardAsIs = false;
break;
}
}
}
if (ForwardAsIs) {
context.Args.AddLastArg(Arguments, options::OPT_import_objc_header);
}
if (usePersistentPCH) {
context.Args.AddLastArg(Arguments, options::OPT_pch_output_dir);
switch (context.OI.CompilerMode) {
case OutputInfo::Mode::StandardCompile:
case OutputInfo::Mode::BatchModeCompile:
// In the 'multiple invocations for each file' mode we don't need to
// validate the PCH every time, it has been validated with the initial
// -emit-pch invocation.
Arguments.push_back("-pch-disable-validation");
break;
case OutputInfo::Mode::Immediate:
case OutputInfo::Mode::REPL:
case OutputInfo::Mode::SingleCompile:
break;
}
}
}
if (context.Args.hasArg(options::OPT_parse_as_library) ||
context.Args.hasArg(options::OPT_emit_library))
Arguments.push_back("-parse-as-library");
context.Args.AddLastArg(Arguments, options::OPT_parse_sil);
Arguments.push_back("-module-name");
Arguments.push_back(context.Args.MakeArgString(context.OI.ModuleName));
if (context.Args.hasArg(options::OPT_CrossModuleOptimization)) {
Arguments.push_back("-cross-module-optimization");
}
if (context.Args.hasArg(options::OPT_ExperimentalPerformanceAnnotations)) {
Arguments.push_back("-experimental-performance-annotations");
}
file_types::ID remarksFileType = file_types::TY_YAMLOptRecord;
// If a specific format is specified for the remarks, forward that as is.
if (auto remarksFormat =
context.Args.getLastArg(options::OPT_save_optimization_record_EQ)) {
Arguments.push_back(context.Args.MakeArgString(
Twine("-save-optimization-record=") + remarksFormat->getValue()));
// If that's the case, add the proper output file for the type.
if (llvm::Expected<file_types::ID> fileType =
remarkFileTypeFromArgs(context.Args))
remarksFileType = *fileType;
else
consumeError(fileType.takeError()); // Don't report errors here. This will
// be reported later anyway.
}
addOutputsOfType(Arguments, context.Output, context.Args, remarksFileType,
"-save-optimization-record-path");
if (auto remarksFilter = context.Args.getLastArg(
options::OPT_save_optimization_record_passes)) {
Arguments.push_back("-save-optimization-record-passes");
Arguments.push_back(remarksFilter->getValue());
}
if (context.Args.hasArg(options::OPT_migrate_keep_objc_visibility)) {
Arguments.push_back("-migrate-keep-objc-visibility");
}
addOutputsOfType(Arguments, context.Output, context.Args,
file_types::TY_Remapping, "-emit-remap-file-path");
if (context.OI.numThreads > 0) {
Arguments.push_back("-num-threads");
Arguments.push_back(
context.Args.MakeArgString(Twine(context.OI.numThreads)));
}
// Add the output file argument if necessary.
if (context.Output.getPrimaryOutputType() != file_types::TY_Nothing) {
auto IndexUnitOutputs = context.Output.getIndexUnitOutputFilenames();
if (context.shouldUseMainOutputFileListInFrontendInvocation()) {
Arguments.push_back("-output-filelist");
Arguments.push_back(context.getTemporaryFilePath("outputs", ""));
II.FilelistInfos.push_back({Arguments.back(),
context.Output.getPrimaryOutputType(),
FilelistInfo::WhichFiles::Output});
if (!IndexUnitOutputs.empty()) {
Arguments.push_back("-index-unit-output-path-filelist");
Arguments.push_back(context.getTemporaryFilePath("index-unit-outputs",
""));
II.FilelistInfos.push_back({
Arguments.back(), file_types::TY_IndexUnitOutputPath,
FilelistInfo::WhichFiles::IndexUnitOutputPaths});
}
} else {
for (auto FileName : context.Output.getPrimaryOutputFilenames()) {
Arguments.push_back("-o");
Arguments.push_back(context.Args.MakeArgString(FileName));
}
for (auto FileName : IndexUnitOutputs) {
Arguments.push_back("-index-unit-output-path");
Arguments.push_back(context.Args.MakeArgString(FileName));
}
}
}
if (context.Args.hasArg(options::OPT_embed_bitcode_marker))
Arguments.push_back("-embed-bitcode-marker");
// For `-index-file` mode add `-disable-typo-correction`, since the errors
// will be ignored and it can be expensive to do typo-correction.
if (job.getType() == file_types::TY_IndexData) {
Arguments.push_back("-disable-typo-correction");
}
if (context.Args.hasArg(options::OPT_index_store_path)) {
context.Args.AddLastArg(Arguments, options::OPT_index_store_path);
if (!context.Args.hasArg(options::OPT_index_ignore_system_modules))
Arguments.push_back("-index-system-modules");
context.Args.AddLastArg(Arguments, options::OPT_index_ignore_clang_modules);
context.Args.AddLastArg(Arguments, options::OPT_index_include_locals);
}
if (context.Args.hasArg(options::OPT_debug_info_store_invocation) ||
shouldStoreInvocationInDebugInfo()) {
Arguments.push_back("-debug-info-store-invocation");
}
if (context.Args.hasArg(
options::OPT_disable_autolinking_runtime_compatibility)) {
Arguments.push_back("-disable-autolinking-runtime-compatibility");
}
if (auto arg = context.Args.getLastArg(
options::OPT_runtime_compatibility_version)) {
Arguments.push_back("-runtime-compatibility-version");
Arguments.push_back(arg->getValue());
}
if (context.Args.hasArg(options::OPT_track_system_dependencies)) {
Arguments.push_back("-track-system-dependencies");
}
if (context.Args.hasFlag(options::OPT_static_executable,
options::OPT_no_static_executable, false) ||
context.Args.hasFlag(options::OPT_static_stdlib,
options::OPT_no_static_stdlib, false)) {
Arguments.push_back("-use-static-resource-dir");
}
context.Args.AddLastArg(
Arguments,
options::
OPT_disable_autolinking_runtime_compatibility_dynamic_replacements);
context.Args.AddLastArg(
Arguments,
options::OPT_disable_autolinking_runtime_compatibility_concurrency);
if (context.OI.CompilerMode == OutputInfo::Mode::SingleCompile) {
context.Args.AddLastArg(Arguments, options::OPT_emit_symbol_graph);
context.Args.AddLastArg(Arguments, options::OPT_emit_symbol_graph_dir);
}
context.Args.AddLastArg(Arguments, options::OPT_include_spi_symbols);
context.Args.AddLastArg(Arguments, options::OPT_emit_extension_block_symbols,
options::OPT_omit_extension_block_symbols);
context.Args.AddLastArg(Arguments, options::OPT_symbol_graph_minimum_access_level);
return II;
}
const char *ToolChain::JobContext::computeFrontendModeForCompile() const {
switch (OI.CompilerMode) {
case OutputInfo::Mode::StandardCompile:
case OutputInfo::Mode::SingleCompile:
case OutputInfo::Mode::BatchModeCompile:
break;
case OutputInfo::Mode::Immediate:
case OutputInfo::Mode::REPL:
llvm_unreachable("REPL and immediate modes handled elsewhere");
}
switch (Output.getPrimaryOutputType()) {
case file_types::TY_Object:
return "-c";
case file_types::TY_PCH:
return "-emit-pch";
case file_types::TY_ASTDump:
return "-dump-ast";
case file_types::TY_RawSIL:
return "-emit-silgen";
case file_types::TY_SIL:
return "-emit-sil";
case file_types::TY_RawSIB:
return "-emit-sibgen";
case file_types::TY_SIB:
return "-emit-sib";
case file_types::TY_LLVM_IR:
return "-emit-ir";
case file_types::TY_LLVM_BC:
return "-emit-bc";
case file_types::TY_ClangModuleFile:
return "-emit-pcm";
case file_types::TY_Assembly:
return "-S";
case file_types::TY_SwiftModuleFile:
// Since this is our primary output, we need to specify the option here.
return "-emit-module";
case file_types::TY_ImportedModules:
return "-emit-imported-modules";
case file_types::TY_JSONDependencies:
return "-scan-dependencies";
case file_types::TY_JSONFeatures:
return "-emit-supported-features";
case file_types::TY_IndexData:
return "-typecheck";
case file_types::TY_Remapping:
return "-update-code";
case file_types::TY_Nothing:
// We were told to output nothing, so get the last mode option and use that.
if (const Arg *A = Args.getLastArg(options::OPT_modes_Group))
return A->getSpelling().data();
else
llvm_unreachable("We were told to perform a standard compile, "
"but no mode option was passed to the driver.");
case file_types::TY_Swift:
case file_types::TY_dSYM:
case file_types::TY_AutolinkFile:
case file_types::TY_Dependencies:
case file_types::TY_SwiftModuleDocFile:
case file_types::TY_SerializedDiagnostics:
case file_types::TY_ClangHeader:
case file_types::TY_Image:
case file_types::TY_SwiftDeps:
case file_types::TY_ExternalSwiftDeps:
case file_types::TY_ModuleTrace:
case file_types::TY_TBD:
case file_types::TY_YAMLOptRecord:
case file_types::TY_BitstreamOptRecord:
case file_types::TY_SwiftModuleInterfaceFile:
case file_types::TY_PrivateSwiftModuleInterfaceFile:
case file_types::TY_PackageSwiftModuleInterfaceFile:
case file_types::TY_SwiftModuleSummaryFile:
case file_types::TY_SwiftSourceInfoFile:
case file_types::TY_SwiftCrossImportDir:
case file_types::TY_SwiftOverlayFile:
case file_types::TY_IndexUnitOutputPath:
case file_types::TY_SwiftABIDescriptor:
case file_types::TY_SwiftAPIDescriptor:
case file_types::TY_ConstValues:
case file_types::TY_SwiftFixIt:
case file_types::TY_ModuleSemanticInfo:
case file_types::TY_CachedDiagnostics:
llvm_unreachable("Output type can never be primary output.");
case file_types::TY_INVALID:
llvm_unreachable("Invalid type ID");
}
llvm_unreachable("unhandled output type");
}
void ToolChain::JobContext::addFrontendInputAndOutputArguments(
ArgStringList &Arguments, std::vector<FilelistInfo> &FilelistInfos) const {
switch (OI.CompilerMode) {
case OutputInfo::Mode::StandardCompile:
assert(InputActions.size() == 1 &&
"Standard-compile mode takes exactly one input (the primary file)");
break;
case OutputInfo::Mode::BatchModeCompile:
case OutputInfo::Mode::SingleCompile:
break;
case OutputInfo::Mode::Immediate:
case OutputInfo::Mode::REPL:
llvm_unreachable("REPL and immediate modes handled elsewhere");
}
const bool UseFileList = shouldUseInputFileList();
const bool MayHavePrimaryInputs = OI.mightHaveExplicitPrimaryInputs(Output);
const bool UsePrimaryFileList =
MayHavePrimaryInputs &&
shouldUsePrimaryInputFileListInFrontendInvocation();
const bool FilterInputsByType = shouldFilterFrontendInputsByType();
const bool UseSupplementaryOutputFileList =
shouldUseSupplementaryOutputFileMapInFrontendInvocation();
assert((C.getFilelistThreshold() != Compilation::NEVER_USE_FILELIST ||
!UseFileList && !UsePrimaryFileList &&
!UseSupplementaryOutputFileList) &&
"No filelists are used if FilelistThreshold=NEVER_USE_FILELIST");
if (UseFileList) {
Arguments.push_back("-filelist");
Arguments.push_back(getAllSourcesPath());
}
if (UsePrimaryFileList) {
Arguments.push_back("-primary-filelist");
Arguments.push_back(getTemporaryFilePath("primaryInputs", ""));
FilelistInfos.push_back({Arguments.back(), file_types::TY_Swift,
FilelistInfo::WhichFiles::SourceInputActions});
}
if (!UseFileList || !UsePrimaryFileList) {
addFrontendCommandLineInputArguments(MayHavePrimaryInputs, UseFileList,
UsePrimaryFileList, FilterInputsByType,
Arguments);
}
if (UseSupplementaryOutputFileList) {
Arguments.push_back("-supplementary-output-file-map");
Arguments.push_back(getTemporaryFilePath("supplementaryOutputs", ""));
FilelistInfos.push_back({Arguments.back(), file_types::TY_INVALID,
FilelistInfo::WhichFiles::SupplementaryOutput});
} else {
addFrontendSupplementaryOutputArguments(Arguments);
}
}
void ToolChain::JobContext::addFrontendCommandLineInputArguments(
const bool mayHavePrimaryInputs, const bool useFileList,
const bool usePrimaryFileList, const bool filterByType,
ArgStringList &arguments) const {
llvm::DenseSet<StringRef> primaries;
if (mayHavePrimaryInputs) {
for (const Action *A : InputActions) {
const auto *IA = cast<InputAction>(A);
const llvm::opt::Arg &InArg = IA->getInputArg();
primaries.insert(InArg.getValue());
}
}
// -index-file compilations are weird. They are processed as SingleCompiles
// (WMO), but must indicate that there is one primary file, designated by
// -index-file-path.
if (Arg *A = Args.getLastArg(options::OPT_index_file_path)) {
assert(primaries.empty() &&
"index file jobs should be treated as single (WMO) compiles");
primaries.insert(A->getValue());
}
for (auto inputPair : getTopLevelInputFiles()) {
if (filterByType && !file_types::isPartOfSwiftCompilation(inputPair.first))
continue;
const char *inputName = inputPair.second->getValue();
const bool isPrimary = primaries.count(inputName);
if (isPrimary && !usePrimaryFileList) {
arguments.push_back("-primary-file");
arguments.push_back(inputName);
}
if ((!isPrimary || usePrimaryFileList) && !useFileList)
arguments.push_back(inputName);
}
}
void ToolChain::JobContext::addFrontendSupplementaryOutputArguments(
ArgStringList &arguments) const {
// FIXME: Get these and other argument strings from the same place for both
// driver and frontend.
addOutputsOfType(arguments, Output, Args, file_types::ID::TY_SwiftModuleFile,
"-emit-module-path");
addOutputsOfType(arguments, Output, Args, file_types::TY_SwiftModuleDocFile,
"-emit-module-doc-path");
addOutputsOfType(arguments, Output, Args, file_types::TY_SwiftSourceInfoFile,
"-emit-module-source-info-path");
addOutputsOfType(arguments, Output, Args,
file_types::ID::TY_SwiftModuleInterfaceFile,
"-emit-module-interface-path");
addOutputsOfType(arguments, Output, Args,
file_types::ID::TY_PrivateSwiftModuleInterfaceFile,
"-emit-private-module-interface-path");
addOutputsOfType(arguments, Output, Args,
file_types::ID::TY_PackageSwiftModuleInterfaceFile,
"-emit-package-module-interface-path");
addOutputsOfType(arguments, Output, Args,
file_types::TY_SerializedDiagnostics,
"-serialize-diagnostics-path");
if (addOutputsOfType(arguments, Output, Args, file_types::ID::TY_ClangHeader,
"-emit-objc-header-path")) {
assert(OI.CompilerMode == OutputInfo::Mode::SingleCompile &&
"The Swift tool should only emit an Obj-C header in single compile"
"mode!");
}
addOutputsOfType(arguments, Output, Args, file_types::TY_Dependencies,
"-emit-dependencies-path");
addOutputsOfType(arguments, Output, Args, file_types::TY_SwiftDeps,
"-emit-reference-dependencies-path");
addOutputsOfType(arguments, Output, Args, file_types::TY_ModuleTrace,
"-emit-loaded-module-trace-path");
addOutputsOfType(arguments, Output, Args, file_types::TY_TBD,
"-emit-tbd-path");
addOutputsOfType(arguments, Output, Args,
file_types::TY_SwiftModuleSummaryFile,
"-emit-module-summary-path");
}
ToolChain::InvocationInfo
ToolChain::constructInvocation(const InterpretJobAction &job,
const JobContext &context) const {
assert(context.OI.CompilerMode == OutputInfo::Mode::Immediate);
InvocationInfo II{SWIFT_EXECUTABLE_NAME};
ArgStringList &Arguments = II.Arguments;
II.allowsResponseFiles = true;
for (auto &s : getDriver().getSwiftProgramArgs())
Arguments.push_back(s.c_str());
Arguments.push_back("-frontend");
Arguments.push_back("-interpret");
assert(context.Inputs.empty() &&
"The Swift frontend does not expect to be fed any input Jobs!");
for (const Action *A : context.InputActions) {
cast<InputAction>(A)->getInputArg().render(context.Args, Arguments);
}
if (context.Args.hasArg(options::OPT_parse_stdlib))
Arguments.push_back("-disable-objc-attr-requires-foundation-module");
addCommonFrontendArgs(context.OI, context.Output, context.Args, Arguments);
addRuntimeLibraryFlags(context.OI, Arguments);
context.Args.AddLastArg(Arguments, options::OPT_import_objc_header);
context.Args.AddLastArg(Arguments, options::OPT_parse_sil);
Arguments.push_back("-module-name");
Arguments.push_back(context.Args.MakeArgString(context.OI.ModuleName));
context.Args.AddAllArgs(Arguments, options::OPT_framework);
ToolChain::addLinkedLibArgs(context.Args, Arguments);
// The immediate arguments must be last.
context.Args.AddLastArg(Arguments, options::OPT__DASH_DASH);
return II;
}
ToolChain::InvocationInfo
ToolChain::constructInvocation(const BackendJobAction &job,
const JobContext &context) const {
assert(context.Args.hasArg(options::OPT_embed_bitcode));
ArgStringList Arguments;
for (auto &s : getDriver().getSwiftProgramArgs())
Arguments.push_back(s.c_str());
Arguments.push_back("-frontend");
// Determine the frontend mode option.
const char *FrontendModeOption = nullptr;
switch (context.OI.CompilerMode) {
case OutputInfo::Mode::StandardCompile:
case OutputInfo::Mode::SingleCompile: {
switch (context.Output.getPrimaryOutputType()) {
case file_types::TY_Object:
FrontendModeOption = "-c";
break;
case file_types::TY_LLVM_IR:
FrontendModeOption = "-emit-ir";
break;
case file_types::TY_LLVM_BC:
FrontendModeOption = "-emit-bc";
break;
case file_types::TY_Assembly:
FrontendModeOption = "-S";
break;
case file_types::TY_Nothing:
// We were told to output nothing, so get the last mode option and use
// that.
if (const Arg *A = context.Args.getLastArg(options::OPT_modes_Group))
FrontendModeOption = A->getSpelling().data();
else
llvm_unreachable("We were told to perform a standard compile, "
"but no mode option was passed to the driver.");
break;
case file_types::TY_ImportedModules:
case file_types::TY_TBD: