Driver.cpp revision 224145
1218893Sdim//===--- Driver.cpp - Clang GCC Compatible Driver -------------------------===// 2193326Sed// 3193326Sed// The LLVM Compiler Infrastructure 4193326Sed// 5193326Sed// This file is distributed under the University of Illinois Open Source 6193326Sed// License. See LICENSE.TXT for details. 7193326Sed// 8193326Sed//===----------------------------------------------------------------------===// 9193326Sed 10218893Sdim#ifdef HAVE_CLANG_CONFIG_H 11218893Sdim# include "clang/Config/config.h" 12218893Sdim#endif 13218893Sdim 14193326Sed#include "clang/Driver/Driver.h" 15193326Sed 16193326Sed#include "clang/Driver/Action.h" 17193326Sed#include "clang/Driver/Arg.h" 18193326Sed#include "clang/Driver/ArgList.h" 19193326Sed#include "clang/Driver/Compilation.h" 20193326Sed#include "clang/Driver/DriverDiagnostic.h" 21193326Sed#include "clang/Driver/HostInfo.h" 22193326Sed#include "clang/Driver/Job.h" 23199512Srdivacky#include "clang/Driver/OptTable.h" 24193326Sed#include "clang/Driver/Option.h" 25193326Sed#include "clang/Driver/Options.h" 26193326Sed#include "clang/Driver/Tool.h" 27193326Sed#include "clang/Driver/ToolChain.h" 28193326Sed#include "clang/Driver/Types.h" 29193326Sed 30193326Sed#include "clang/Basic/Version.h" 31193326Sed 32212904Sdim#include "llvm/Config/config.h" 33221345Sdim#include "llvm/ADT/ArrayRef.h" 34193326Sed#include "llvm/ADT/StringSet.h" 35202879Srdivacky#include "llvm/ADT/OwningPtr.h" 36193326Sed#include "llvm/Support/PrettyStackTrace.h" 37193326Sed#include "llvm/Support/raw_ostream.h" 38218893Sdim#include "llvm/Support/FileSystem.h" 39218893Sdim#include "llvm/Support/Path.h" 40218893Sdim#include "llvm/Support/Program.h" 41193326Sed 42193326Sed#include "InputInfo.h" 43193326Sed 44193326Sed#include <map> 45193326Sed 46193326Sedusing namespace clang::driver; 47193326Sedusing namespace clang; 48193326Sed 49223017SdimDriver::Driver(llvm::StringRef ClangExecutable, 50223017Sdim llvm::StringRef DefaultHostTriple, 51223017Sdim llvm::StringRef DefaultImageName, 52206084Srdivacky bool IsProduction, bool CXXIsProduction, 53223017Sdim Diagnostic &Diags) 54223017Sdim : Opts(createDriverOptTable()), Diags(Diags), 55223017Sdim ClangExecutable(ClangExecutable), UseStdLib(true), 56223017Sdim DefaultHostTriple(DefaultHostTriple), DefaultImageName(DefaultImageName), 57204643Srdivacky DriverTitle("clang \"gcc-compatible\" driver"), 58193326Sed Host(0), 59221345Sdim CCPrintOptionsFilename(0), CCPrintHeadersFilename(0), 60221345Sdim CCLogDiagnosticsFilename(0), CCCIsCXX(false), 61221345Sdim CCCIsCPP(false),CCCEcho(false), CCCPrintBindings(false), 62221345Sdim CCPrintOptions(false), CCPrintHeaders(false), CCLogDiagnostics(false), 63221345Sdim CCCGenericGCCName(""), CheckInputsExist(true), CCCUseClang(true), 64221345Sdim CCCUseClangCXX(true), CCCUseClangCPP(true), CCCUsePCH(true), 65221345Sdim SuppressMissingInputWarning(false) { 66198092Srdivacky if (IsProduction) { 67198092Srdivacky // In a "production" build, only use clang on architectures we expect to 68198092Srdivacky // work, and don't use clang C++. 69198092Srdivacky // 70198092Srdivacky // During development its more convenient to always have the driver use 71198092Srdivacky // clang, but we don't want users to be confused when things don't work, or 72198092Srdivacky // to file bugs for things we don't support. 73198092Srdivacky CCCClangArchs.insert(llvm::Triple::x86); 74198092Srdivacky CCCClangArchs.insert(llvm::Triple::x86_64); 75198092Srdivacky CCCClangArchs.insert(llvm::Triple::arm); 76198092Srdivacky 77206084Srdivacky if (!CXXIsProduction) 78206084Srdivacky CCCUseClangCXX = false; 79198092Srdivacky } 80202879Srdivacky 81218893Sdim Name = llvm::sys::path::stem(ClangExecutable); 82218893Sdim Dir = llvm::sys::path::parent_path(ClangExecutable); 83212904Sdim 84202879Srdivacky // Compute the path to the resource directory. 85218893Sdim llvm::StringRef ClangResourceDir(CLANG_RESOURCE_DIR); 86218893Sdim llvm::SmallString<128> P(Dir); 87218893Sdim if (ClangResourceDir != "") 88218893Sdim llvm::sys::path::append(P, ClangResourceDir); 89218893Sdim else 90218893Sdim llvm::sys::path::append(P, "..", "lib", "clang", CLANG_VERSION_STRING); 91202879Srdivacky ResourceDir = P.str(); 92193326Sed} 93193326Sed 94193326SedDriver::~Driver() { 95193326Sed delete Opts; 96193326Sed delete Host; 97193326Sed} 98193326Sed 99221345SdimInputArgList *Driver::ParseArgStrings(llvm::ArrayRef<const char *> ArgList) { 100193326Sed llvm::PrettyStackTraceString CrashInfo("Command line argument parsing"); 101199512Srdivacky unsigned MissingArgIndex, MissingArgCount; 102221345Sdim InputArgList *Args = getOpts().ParseArgs(ArgList.begin(), ArgList.end(), 103199512Srdivacky MissingArgIndex, MissingArgCount); 104198092Srdivacky 105199512Srdivacky // Check for missing argument error. 106199512Srdivacky if (MissingArgCount) 107199512Srdivacky Diag(clang::diag::err_drv_missing_argument) 108199512Srdivacky << Args->getArgString(MissingArgIndex) << MissingArgCount; 109193326Sed 110199512Srdivacky // Check for unsupported options. 111199512Srdivacky for (ArgList::const_iterator it = Args->begin(), ie = Args->end(); 112199512Srdivacky it != ie; ++it) { 113199512Srdivacky Arg *A = *it; 114193326Sed if (A->getOption().isUnsupported()) { 115193326Sed Diag(clang::diag::err_drv_unsupported_opt) << A->getAsString(*Args); 116193326Sed continue; 117193326Sed } 118193326Sed } 119193326Sed 120193326Sed return Args; 121193326Sed} 122193326Sed 123210299SedDerivedArgList *Driver::TranslateInputArgs(const InputArgList &Args) const { 124210299Sed DerivedArgList *DAL = new DerivedArgList(Args); 125210299Sed 126218893Sdim bool HasNostdlib = Args.hasArg(options::OPT_nostdlib); 127210299Sed for (ArgList::const_iterator it = Args.begin(), 128210299Sed ie = Args.end(); it != ie; ++it) { 129210299Sed const Arg *A = *it; 130210299Sed 131210299Sed // Unfortunately, we have to parse some forwarding options (-Xassembler, 132210299Sed // -Xlinker, -Xpreprocessor) because we either integrate their functionality 133210299Sed // (assembler and preprocessor), or bypass a previous driver ('collect2'). 134210299Sed 135210299Sed // Rewrite linker options, to replace --no-demangle with a custom internal 136210299Sed // option. 137210299Sed if ((A->getOption().matches(options::OPT_Wl_COMMA) || 138210299Sed A->getOption().matches(options::OPT_Xlinker)) && 139210299Sed A->containsValue("--no-demangle")) { 140210299Sed // Add the rewritten no-demangle argument. 141210299Sed DAL->AddFlagArg(A, Opts->getOption(options::OPT_Z_Xlinker__no_demangle)); 142210299Sed 143210299Sed // Add the remaining values as Xlinker arguments. 144210299Sed for (unsigned i = 0, e = A->getNumValues(); i != e; ++i) 145210299Sed if (llvm::StringRef(A->getValue(Args, i)) != "--no-demangle") 146210299Sed DAL->AddSeparateArg(A, Opts->getOption(options::OPT_Xlinker), 147210299Sed A->getValue(Args, i)); 148210299Sed 149210299Sed continue; 150210299Sed } 151210299Sed 152210299Sed // Rewrite preprocessor options, to replace -Wp,-MD,FOO which is used by 153210299Sed // some build systems. We don't try to be complete here because we don't 154210299Sed // care to encourage this usage model. 155210299Sed if (A->getOption().matches(options::OPT_Wp_COMMA) && 156210299Sed A->getNumValues() == 2 && 157210299Sed (A->getValue(Args, 0) == llvm::StringRef("-MD") || 158210299Sed A->getValue(Args, 0) == llvm::StringRef("-MMD"))) { 159210299Sed // Rewrite to -MD/-MMD along with -MF. 160210299Sed if (A->getValue(Args, 0) == llvm::StringRef("-MD")) 161210299Sed DAL->AddFlagArg(A, Opts->getOption(options::OPT_MD)); 162210299Sed else 163210299Sed DAL->AddFlagArg(A, Opts->getOption(options::OPT_MMD)); 164210299Sed DAL->AddSeparateArg(A, Opts->getOption(options::OPT_MF), 165210299Sed A->getValue(Args, 1)); 166210299Sed continue; 167210299Sed } 168210299Sed 169218893Sdim // Rewrite reserved library names. 170218893Sdim if (A->getOption().matches(options::OPT_l)) { 171218893Sdim llvm::StringRef Value = A->getValue(Args); 172218893Sdim 173218893Sdim // Rewrite unless -nostdlib is present. 174218893Sdim if (!HasNostdlib && Value == "stdc++") { 175218893Sdim DAL->AddFlagArg(A, Opts->getOption( 176218893Sdim options::OPT_Z_reserved_lib_stdcxx)); 177218893Sdim continue; 178218893Sdim } 179218893Sdim 180218893Sdim // Rewrite unconditionally. 181218893Sdim if (Value == "cc_kext") { 182218893Sdim DAL->AddFlagArg(A, Opts->getOption( 183218893Sdim options::OPT_Z_reserved_lib_cckext)); 184218893Sdim continue; 185218893Sdim } 186218893Sdim } 187218893Sdim 188210299Sed DAL->append(*it); 189210299Sed } 190210299Sed 191212904Sdim // Add a default value of -mlinker-version=, if one was given and the user 192212904Sdim // didn't specify one. 193212904Sdim#if defined(HOST_LINK_VERSION) 194212904Sdim if (!Args.hasArg(options::OPT_mlinker_version_EQ)) { 195212904Sdim DAL->AddJoinedArg(0, Opts->getOption(options::OPT_mlinker_version_EQ), 196212904Sdim HOST_LINK_VERSION); 197212904Sdim DAL->getLastArg(options::OPT_mlinker_version_EQ)->claim(); 198212904Sdim } 199212904Sdim#endif 200212904Sdim 201210299Sed return DAL; 202210299Sed} 203210299Sed 204221345SdimCompilation *Driver::BuildCompilation(llvm::ArrayRef<const char *> ArgList) { 205193326Sed llvm::PrettyStackTraceString CrashInfo("Compilation construction"); 206193326Sed 207198092Srdivacky // FIXME: Handle environment options which effect driver behavior, somewhere 208198092Srdivacky // (client?). GCC_EXEC_PREFIX, COMPILER_PATH, LIBRARY_PATH, LPATH, 209198092Srdivacky // CC_PRINT_OPTIONS. 210193326Sed 211193326Sed // FIXME: What are we going to do with -V and -b? 212193326Sed 213198092Srdivacky // FIXME: This stuff needs to go into the Compilation, not the driver. 214193326Sed bool CCCPrintOptions = false, CCCPrintActions = false; 215193326Sed 216221345Sdim InputArgList *Args = ParseArgStrings(ArgList.slice(1)); 217193326Sed 218200583Srdivacky // -no-canonical-prefixes is used very early in main. 219200583Srdivacky Args->ClaimAllArgs(options::OPT_no_canonical_prefixes); 220200583Srdivacky 221212904Sdim // Ignore -pipe. 222212904Sdim Args->ClaimAllArgs(options::OPT_pipe); 223212904Sdim 224200583Srdivacky // Extract -ccc args. 225193326Sed // 226198092Srdivacky // FIXME: We need to figure out where this behavior should live. Most of it 227198092Srdivacky // should be outside in the client; the parts that aren't should have proper 228198092Srdivacky // options, either by introducing new ones or by overloading gcc ones like -V 229198092Srdivacky // or -b. 230200583Srdivacky CCCPrintOptions = Args->hasArg(options::OPT_ccc_print_options); 231200583Srdivacky CCCPrintActions = Args->hasArg(options::OPT_ccc_print_phases); 232200583Srdivacky CCCPrintBindings = Args->hasArg(options::OPT_ccc_print_bindings); 233200583Srdivacky CCCIsCXX = Args->hasArg(options::OPT_ccc_cxx) || CCCIsCXX; 234200583Srdivacky CCCEcho = Args->hasArg(options::OPT_ccc_echo); 235200583Srdivacky if (const Arg *A = Args->getLastArg(options::OPT_ccc_gcc_name)) 236200583Srdivacky CCCGenericGCCName = A->getValue(*Args); 237200583Srdivacky CCCUseClangCXX = Args->hasFlag(options::OPT_ccc_clang_cxx, 238200583Srdivacky options::OPT_ccc_no_clang_cxx, 239200583Srdivacky CCCUseClangCXX); 240200583Srdivacky CCCUsePCH = Args->hasFlag(options::OPT_ccc_pch_is_pch, 241200583Srdivacky options::OPT_ccc_pch_is_pth); 242200583Srdivacky CCCUseClang = !Args->hasArg(options::OPT_ccc_no_clang); 243200583Srdivacky CCCUseClangCPP = !Args->hasArg(options::OPT_ccc_no_clang_cpp); 244200583Srdivacky if (const Arg *A = Args->getLastArg(options::OPT_ccc_clang_archs)) { 245200583Srdivacky llvm::StringRef Cur = A->getValue(*Args); 246198092Srdivacky 247200583Srdivacky CCCClangArchs.clear(); 248200583Srdivacky while (!Cur.empty()) { 249200583Srdivacky std::pair<llvm::StringRef, llvm::StringRef> Split = Cur.split(','); 250198092Srdivacky 251200583Srdivacky if (!Split.first.empty()) { 252200583Srdivacky llvm::Triple::ArchType Arch = 253200583Srdivacky llvm::Triple(Split.first, "", "").getArch(); 254193326Sed 255203955Srdivacky if (Arch == llvm::Triple::UnknownArch) 256203955Srdivacky Diag(clang::diag::err_drv_invalid_arch_name) << Split.first; 257198092Srdivacky 258200583Srdivacky CCCClangArchs.insert(Arch); 259193326Sed } 260193326Sed 261200583Srdivacky Cur = Split.second; 262193326Sed } 263193326Sed } 264212904Sdim // FIXME: We shouldn't overwrite the default host triple here, but we have 265212904Sdim // nowhere else to put this currently. 266200583Srdivacky if (const Arg *A = Args->getLastArg(options::OPT_ccc_host_triple)) 267212904Sdim DefaultHostTriple = A->getValue(*Args); 268200583Srdivacky if (const Arg *A = Args->getLastArg(options::OPT_ccc_install_dir)) 269212904Sdim Dir = InstalledDir = A->getValue(*Args); 270218893Sdim for (arg_iterator it = Args->filtered_begin(options::OPT_B), 271218893Sdim ie = Args->filtered_end(); it != ie; ++it) { 272218893Sdim const Arg *A = *it; 273218893Sdim A->claim(); 274218893Sdim PrefixDirs.push_back(A->getValue(*Args, 0)); 275218893Sdim } 276221345Sdim if (const Arg *A = Args->getLastArg(options::OPT__sysroot_EQ)) 277221345Sdim SysRoot = A->getValue(*Args); 278221345Sdim if (Args->hasArg(options::OPT_nostdlib)) 279221345Sdim UseStdLib = false; 280193326Sed 281212904Sdim Host = GetHostInfo(DefaultHostTriple.c_str()); 282193326Sed 283210299Sed // Perform the default argument translations. 284210299Sed DerivedArgList *TranslatedArgs = TranslateInputArgs(*Args); 285210299Sed 286193326Sed // The compilation takes ownership of Args. 287210299Sed Compilation *C = new Compilation(*this, *Host->CreateToolChain(*Args), Args, 288210299Sed TranslatedArgs); 289193326Sed 290193326Sed // FIXME: This behavior shouldn't be here. 291193326Sed if (CCCPrintOptions) { 292210299Sed PrintOptions(C->getInputArgs()); 293193326Sed return C; 294193326Sed } 295193326Sed 296193326Sed if (!HandleImmediateArgs(*C)) 297193326Sed return C; 298193326Sed 299212904Sdim // Construct the list of abstract actions to perform for this compilation. 300193326Sed if (Host->useDriverDriver()) 301212904Sdim BuildUniversalActions(C->getDefaultToolChain(), C->getArgs(), 302212904Sdim C->getActions()); 303193326Sed else 304212904Sdim BuildActions(C->getDefaultToolChain(), C->getArgs(), C->getActions()); 305193326Sed 306193326Sed if (CCCPrintActions) { 307193326Sed PrintActions(*C); 308193326Sed return C; 309193326Sed } 310193326Sed 311193326Sed BuildJobs(*C); 312193326Sed 313193326Sed return C; 314193326Sed} 315193326Sed 316195341Sedint Driver::ExecuteCompilation(const Compilation &C) const { 317195341Sed // Just print if -### was present. 318195341Sed if (C.getArgs().hasArg(options::OPT__HASH_HASH_HASH)) { 319195341Sed C.PrintJob(llvm::errs(), C.getJobs(), "\n", true); 320195341Sed return 0; 321195341Sed } 322195341Sed 323195341Sed // If there were errors building the compilation, quit now. 324218893Sdim if (getDiags().hasErrorOccurred()) 325195341Sed return 1; 326195341Sed 327195341Sed const Command *FailingCommand = 0; 328195341Sed int Res = C.ExecuteJob(C.getJobs(), FailingCommand); 329198092Srdivacky 330195341Sed // Remove temp files. 331195341Sed C.CleanupFileList(C.getTempFiles()); 332195341Sed 333208600Srdivacky // If the command succeeded, we are done. 334208600Srdivacky if (Res == 0) 335208600Srdivacky return Res; 336208600Srdivacky 337208600Srdivacky // Otherwise, remove result files as well. 338208600Srdivacky if (!C.getArgs().hasArg(options::OPT_save_temps)) 339195341Sed C.CleanupFileList(C.getResultFiles(), true); 340195341Sed 341195341Sed // Print extra information about abnormal failures, if possible. 342208600Srdivacky // 343208600Srdivacky // This is ad-hoc, but we don't want to be excessively noisy. If the result 344208600Srdivacky // status was 1, assume the command failed normally. In particular, if it was 345208600Srdivacky // the compiler then assume it gave a reasonable error code. Failures in other 346208600Srdivacky // tools are less common, and they generally have worse diagnostics, so always 347208600Srdivacky // print the diagnostic there. 348208600Srdivacky const Tool &FailingTool = FailingCommand->getCreator(); 349195341Sed 350208600Srdivacky if (!FailingCommand->getCreator().hasGoodDiagnostics() || Res != 1) { 351208600Srdivacky // FIXME: See FIXME above regarding result code interpretation. 352208600Srdivacky if (Res < 0) 353208600Srdivacky Diag(clang::diag::err_drv_command_signalled) 354208600Srdivacky << FailingTool.getShortName() << -Res; 355208600Srdivacky else 356208600Srdivacky Diag(clang::diag::err_drv_command_failed) 357208600Srdivacky << FailingTool.getShortName() << Res; 358195341Sed } 359195341Sed 360195341Sed return Res; 361195341Sed} 362195341Sed 363193326Sedvoid Driver::PrintOptions(const ArgList &Args) const { 364193326Sed unsigned i = 0; 365198092Srdivacky for (ArgList::const_iterator it = Args.begin(), ie = Args.end(); 366193326Sed it != ie; ++it, ++i) { 367193326Sed Arg *A = *it; 368193326Sed llvm::errs() << "Option " << i << " - " 369193326Sed << "Name: \"" << A->getOption().getName() << "\", " 370193326Sed << "Values: {"; 371193326Sed for (unsigned j = 0; j < A->getNumValues(); ++j) { 372193326Sed if (j) 373193326Sed llvm::errs() << ", "; 374193326Sed llvm::errs() << '"' << A->getValue(Args, j) << '"'; 375193326Sed } 376193326Sed llvm::errs() << "}\n"; 377193326Sed } 378193326Sed} 379193326Sed 380193326Sedvoid Driver::PrintHelp(bool ShowHidden) const { 381204643Srdivacky getOpts().PrintHelp(llvm::outs(), Name.c_str(), DriverTitle.c_str(), 382204643Srdivacky ShowHidden); 383193326Sed} 384193326Sed 385198092Srdivackyvoid Driver::PrintVersion(const Compilation &C, llvm::raw_ostream &OS) const { 386198092Srdivacky // FIXME: The following handlers should use a callback mechanism, we don't 387198092Srdivacky // know what the client would like to do. 388202879Srdivacky OS << getClangFullVersion() << '\n'; 389193326Sed const ToolChain &TC = C.getDefaultToolChain(); 390198092Srdivacky OS << "Target: " << TC.getTripleString() << '\n'; 391194613Sed 392194613Sed // Print the threading model. 393194613Sed // 394194613Sed // FIXME: Implement correctly. 395198092Srdivacky OS << "Thread model: " << "posix" << '\n'; 396193326Sed} 397193326Sed 398208600Srdivacky/// PrintDiagnosticCategories - Implement the --print-diagnostic-categories 399208600Srdivacky/// option. 400208600Srdivackystatic void PrintDiagnosticCategories(llvm::raw_ostream &OS) { 401223017Sdim // Skip the empty category. 402223017Sdim for (unsigned i = 1, max = DiagnosticIDs::getNumberOfCategories(); 403223017Sdim i != max; ++i) 404223017Sdim OS << i << ',' << DiagnosticIDs::getCategoryNameFromID(i) << '\n'; 405208600Srdivacky} 406208600Srdivacky 407193326Sedbool Driver::HandleImmediateArgs(const Compilation &C) { 408210299Sed // The order these options are handled in gcc is all over the place, but we 409198092Srdivacky // don't expect inconsistencies w.r.t. that to matter in practice. 410193326Sed 411218893Sdim if (C.getArgs().hasArg(options::OPT_dumpmachine)) { 412218893Sdim llvm::outs() << C.getDefaultToolChain().getTripleString() << '\n'; 413218893Sdim return false; 414218893Sdim } 415218893Sdim 416193326Sed if (C.getArgs().hasArg(options::OPT_dumpversion)) { 417218893Sdim // Since -dumpversion is only implemented for pedantic GCC compatibility, we 418218893Sdim // return an answer which matches our definition of __VERSION__. 419218893Sdim // 420218893Sdim // If we want to return a more correct answer some day, then we should 421218893Sdim // introduce a non-pedantically GCC compatible mode to Clang in which we 422218893Sdim // provide sensible definitions for -dumpversion, __VERSION__, etc. 423218893Sdim llvm::outs() << "4.2.1\n"; 424193326Sed return false; 425193326Sed } 426210299Sed 427208600Srdivacky if (C.getArgs().hasArg(options::OPT__print_diagnostic_categories)) { 428208600Srdivacky PrintDiagnosticCategories(llvm::outs()); 429208600Srdivacky return false; 430208600Srdivacky } 431193326Sed 432198092Srdivacky if (C.getArgs().hasArg(options::OPT__help) || 433193326Sed C.getArgs().hasArg(options::OPT__help_hidden)) { 434193326Sed PrintHelp(C.getArgs().hasArg(options::OPT__help_hidden)); 435193326Sed return false; 436193326Sed } 437193326Sed 438193326Sed if (C.getArgs().hasArg(options::OPT__version)) { 439198092Srdivacky // Follow gcc behavior and use stdout for --version and stderr for -v. 440198092Srdivacky PrintVersion(C, llvm::outs()); 441193326Sed return false; 442193326Sed } 443193326Sed 444198092Srdivacky if (C.getArgs().hasArg(options::OPT_v) || 445193326Sed C.getArgs().hasArg(options::OPT__HASH_HASH_HASH)) { 446198092Srdivacky PrintVersion(C, llvm::errs()); 447193326Sed SuppressMissingInputWarning = true; 448193326Sed } 449193326Sed 450193326Sed const ToolChain &TC = C.getDefaultToolChain(); 451193326Sed if (C.getArgs().hasArg(options::OPT_print_search_dirs)) { 452193326Sed llvm::outs() << "programs: ="; 453193326Sed for (ToolChain::path_list::const_iterator it = TC.getProgramPaths().begin(), 454193326Sed ie = TC.getProgramPaths().end(); it != ie; ++it) { 455193326Sed if (it != TC.getProgramPaths().begin()) 456193326Sed llvm::outs() << ':'; 457193326Sed llvm::outs() << *it; 458193326Sed } 459193326Sed llvm::outs() << "\n"; 460193326Sed llvm::outs() << "libraries: ="; 461224145Sdim 462224145Sdim std::string sysroot; 463224145Sdim if (Arg *A = C.getArgs().getLastArg(options::OPT__sysroot_EQ)) 464224145Sdim sysroot = A->getValue(C.getArgs()); 465224145Sdim 466198092Srdivacky for (ToolChain::path_list::const_iterator it = TC.getFilePaths().begin(), 467193326Sed ie = TC.getFilePaths().end(); it != ie; ++it) { 468193326Sed if (it != TC.getFilePaths().begin()) 469193326Sed llvm::outs() << ':'; 470224145Sdim const char *path = it->c_str(); 471224145Sdim if (path[0] == '=') 472224145Sdim llvm::outs() << sysroot << path + 1; 473224145Sdim else 474224145Sdim llvm::outs() << path; 475193326Sed } 476193326Sed llvm::outs() << "\n"; 477193326Sed return false; 478193326Sed } 479193326Sed 480198092Srdivacky // FIXME: The following handlers should use a callback mechanism, we don't 481198092Srdivacky // know what the client would like to do. 482193326Sed if (Arg *A = C.getArgs().getLastArg(options::OPT_print_file_name_EQ)) { 483198092Srdivacky llvm::outs() << GetFilePath(A->getValue(C.getArgs()), TC) << "\n"; 484193326Sed return false; 485193326Sed } 486193326Sed 487193326Sed if (Arg *A = C.getArgs().getLastArg(options::OPT_print_prog_name_EQ)) { 488198092Srdivacky llvm::outs() << GetProgramPath(A->getValue(C.getArgs()), TC) << "\n"; 489193326Sed return false; 490193326Sed } 491193326Sed 492193326Sed if (C.getArgs().hasArg(options::OPT_print_libgcc_file_name)) { 493198092Srdivacky llvm::outs() << GetFilePath("libgcc.a", TC) << "\n"; 494193326Sed return false; 495193326Sed } 496193326Sed 497194613Sed if (C.getArgs().hasArg(options::OPT_print_multi_lib)) { 498194613Sed // FIXME: We need tool chain support for this. 499194613Sed llvm::outs() << ".;\n"; 500194613Sed 501194613Sed switch (C.getDefaultToolChain().getTriple().getArch()) { 502194613Sed default: 503194613Sed break; 504198092Srdivacky 505194613Sed case llvm::Triple::x86_64: 506194613Sed llvm::outs() << "x86_64;@m64" << "\n"; 507194613Sed break; 508194613Sed 509194613Sed case llvm::Triple::ppc64: 510194613Sed llvm::outs() << "ppc64;@m64" << "\n"; 511194613Sed break; 512194613Sed } 513194613Sed return false; 514194613Sed } 515194613Sed 516194613Sed // FIXME: What is the difference between print-multi-directory and 517194613Sed // print-multi-os-directory? 518194613Sed if (C.getArgs().hasArg(options::OPT_print_multi_directory) || 519194613Sed C.getArgs().hasArg(options::OPT_print_multi_os_directory)) { 520194613Sed switch (C.getDefaultToolChain().getTriple().getArch()) { 521194613Sed default: 522194613Sed case llvm::Triple::x86: 523194613Sed case llvm::Triple::ppc: 524194613Sed llvm::outs() << "." << "\n"; 525194613Sed break; 526198092Srdivacky 527194613Sed case llvm::Triple::x86_64: 528213492Sdim llvm::outs() << "." << "\n"; 529194613Sed break; 530194613Sed 531194613Sed case llvm::Triple::ppc64: 532194613Sed llvm::outs() << "ppc64" << "\n"; 533194613Sed break; 534194613Sed } 535194613Sed return false; 536194613Sed } 537194613Sed 538193326Sed return true; 539193326Sed} 540193326Sed 541198092Srdivackystatic unsigned PrintActions1(const Compilation &C, Action *A, 542193326Sed std::map<Action*, unsigned> &Ids) { 543193326Sed if (Ids.count(A)) 544193326Sed return Ids[A]; 545198092Srdivacky 546193326Sed std::string str; 547193326Sed llvm::raw_string_ostream os(str); 548198092Srdivacky 549193326Sed os << Action::getClassName(A->getKind()) << ", "; 550198092Srdivacky if (InputAction *IA = dyn_cast<InputAction>(A)) { 551193326Sed os << "\"" << IA->getInputArg().getValue(C.getArgs()) << "\""; 552193326Sed } else if (BindArchAction *BIA = dyn_cast<BindArchAction>(A)) { 553198092Srdivacky os << '"' << (BIA->getArchName() ? BIA->getArchName() : 554193326Sed C.getDefaultToolChain().getArchName()) << '"' 555193326Sed << ", {" << PrintActions1(C, *BIA->begin(), Ids) << "}"; 556193326Sed } else { 557193326Sed os << "{"; 558193326Sed for (Action::iterator it = A->begin(), ie = A->end(); it != ie;) { 559193326Sed os << PrintActions1(C, *it, Ids); 560193326Sed ++it; 561193326Sed if (it != ie) 562193326Sed os << ", "; 563193326Sed } 564193326Sed os << "}"; 565193326Sed } 566193326Sed 567193326Sed unsigned Id = Ids.size(); 568193326Sed Ids[A] = Id; 569198092Srdivacky llvm::errs() << Id << ": " << os.str() << ", " 570193326Sed << types::getTypeName(A->getType()) << "\n"; 571193326Sed 572193326Sed return Id; 573193326Sed} 574193326Sed 575193326Sedvoid Driver::PrintActions(const Compilation &C) const { 576193326Sed std::map<Action*, unsigned> Ids; 577198092Srdivacky for (ActionList::const_iterator it = C.getActions().begin(), 578193326Sed ie = C.getActions().end(); it != ie; ++it) 579193326Sed PrintActions1(C, *it, Ids); 580193326Sed} 581193326Sed 582223017Sdim/// \brief Check whether the given input tree contains any compilation or 583223017Sdim/// assembly actions. 584223017Sdimstatic bool ContainsCompileOrAssembleAction(const Action *A) { 585210299Sed if (isa<CompileJobAction>(A) || isa<AssembleJobAction>(A)) 586210299Sed return true; 587210299Sed 588210299Sed for (Action::const_iterator it = A->begin(), ie = A->end(); it != ie; ++it) 589223017Sdim if (ContainsCompileOrAssembleAction(*it)) 590210299Sed return true; 591210299Sed 592210299Sed return false; 593210299Sed} 594210299Sed 595212904Sdimvoid Driver::BuildUniversalActions(const ToolChain &TC, 596221345Sdim const DerivedArgList &Args, 597193326Sed ActionList &Actions) const { 598198092Srdivacky llvm::PrettyStackTraceString CrashInfo("Building universal build actions"); 599198092Srdivacky // Collect the list of architectures. Duplicates are allowed, but should only 600198092Srdivacky // be handled once (in the order seen). 601193326Sed llvm::StringSet<> ArchNames; 602193326Sed llvm::SmallVector<const char *, 4> Archs; 603198092Srdivacky for (ArgList::const_iterator it = Args.begin(), ie = Args.end(); 604193326Sed it != ie; ++it) { 605193326Sed Arg *A = *it; 606193326Sed 607199512Srdivacky if (A->getOption().matches(options::OPT_arch)) { 608198092Srdivacky // Validate the option here; we don't save the type here because its 609198092Srdivacky // particular spelling may participate in other driver choices. 610198092Srdivacky llvm::Triple::ArchType Arch = 611198092Srdivacky llvm::Triple::getArchTypeForDarwinArchName(A->getValue(Args)); 612198092Srdivacky if (Arch == llvm::Triple::UnknownArch) { 613198092Srdivacky Diag(clang::diag::err_drv_invalid_arch_name) 614198092Srdivacky << A->getAsString(Args); 615198092Srdivacky continue; 616198092Srdivacky } 617193326Sed 618193326Sed A->claim(); 619198092Srdivacky if (ArchNames.insert(A->getValue(Args))) 620198092Srdivacky Archs.push_back(A->getValue(Args)); 621193326Sed } 622193326Sed } 623193326Sed 624198092Srdivacky // When there is no explicit arch for this platform, make sure we still bind 625198092Srdivacky // the architecture (to the default) so that -Xarch_ is handled correctly. 626193326Sed if (!Archs.size()) 627193326Sed Archs.push_back(0); 628193326Sed 629198092Srdivacky // FIXME: We killed off some others but these aren't yet detected in a 630198092Srdivacky // functional manner. If we added information to jobs about which "auxiliary" 631198092Srdivacky // files they wrote then we could detect the conflict these cause downstream. 632193326Sed if (Archs.size() > 1) { 633193326Sed // No recovery needed, the point of this is just to prevent 634193326Sed // overwriting the same files. 635193326Sed if (const Arg *A = Args.getLastArg(options::OPT_save_temps)) 636198092Srdivacky Diag(clang::diag::err_drv_invalid_opt_with_multiple_archs) 637193326Sed << A->getAsString(Args); 638193326Sed } 639193326Sed 640193326Sed ActionList SingleActions; 641212904Sdim BuildActions(TC, Args, SingleActions); 642193326Sed 643210299Sed // Add in arch bindings for every top level action, as well as lipo and 644210299Sed // dsymutil steps if needed. 645193326Sed for (unsigned i = 0, e = SingleActions.size(); i != e; ++i) { 646193326Sed Action *Act = SingleActions[i]; 647193326Sed 648198092Srdivacky // Make sure we can lipo this kind of output. If not (and it is an actual 649198092Srdivacky // output) then we disallow, since we can't create an output file with the 650198092Srdivacky // right name without overwriting it. We could remove this oddity by just 651198092Srdivacky // changing the output names to include the arch, which would also fix 652193326Sed // -save-temps. Compatibility wins for now. 653193326Sed 654193326Sed if (Archs.size() > 1 && !types::canLipoType(Act->getType())) 655193326Sed Diag(clang::diag::err_drv_invalid_output_with_multiple_archs) 656193326Sed << types::getTypeName(Act->getType()); 657193326Sed 658193326Sed ActionList Inputs; 659205219Srdivacky for (unsigned i = 0, e = Archs.size(); i != e; ++i) { 660193326Sed Inputs.push_back(new BindArchAction(Act, Archs[i])); 661205219Srdivacky if (i != 0) 662205219Srdivacky Inputs.back()->setOwnsInputs(false); 663205219Srdivacky } 664193326Sed 665198092Srdivacky // Lipo if necessary, we do it this way because we need to set the arch flag 666198092Srdivacky // so that -Xarch_ gets overwritten. 667193326Sed if (Inputs.size() == 1 || Act->getType() == types::TY_Nothing) 668193326Sed Actions.append(Inputs.begin(), Inputs.end()); 669193326Sed else 670193326Sed Actions.push_back(new LipoJobAction(Inputs, Act->getType())); 671210299Sed 672210299Sed // Add a 'dsymutil' step if necessary, when debug info is enabled and we 673210299Sed // have a compile input. We need to run 'dsymutil' ourselves in such cases 674210299Sed // because the debug info will refer to a temporary object file which is 675210299Sed // will be removed at the end of the compilation process. 676210299Sed if (Act->getType() == types::TY_Image) { 677210299Sed Arg *A = Args.getLastArg(options::OPT_g_Group); 678210299Sed if (A && !A->getOption().matches(options::OPT_g0) && 679210299Sed !A->getOption().matches(options::OPT_gstabs) && 680223017Sdim ContainsCompileOrAssembleAction(Actions.back())) { 681210299Sed ActionList Inputs; 682210299Sed Inputs.push_back(Actions.back()); 683210299Sed Actions.pop_back(); 684210299Sed 685210299Sed Actions.push_back(new DsymutilJobAction(Inputs, types::TY_dSYM)); 686210299Sed } 687210299Sed } 688193326Sed } 689193326Sed} 690193326Sed 691221345Sdimvoid Driver::BuildActions(const ToolChain &TC, const DerivedArgList &Args, 692212904Sdim ActionList &Actions) const { 693193326Sed llvm::PrettyStackTraceString CrashInfo("Building compilation actions"); 694193326Sed // Start by constructing the list of inputs and their types. 695193326Sed 696198092Srdivacky // Track the current user specified (-x) input. We also explicitly track the 697198092Srdivacky // argument used to set the type; we only want to claim the type when we 698198092Srdivacky // actually use it, so we warn about unused -x arguments. 699193326Sed types::ID InputType = types::TY_Nothing; 700193326Sed Arg *InputTypeArg = 0; 701193326Sed 702193326Sed llvm::SmallVector<std::pair<types::ID, const Arg*>, 16> Inputs; 703198092Srdivacky for (ArgList::const_iterator it = Args.begin(), ie = Args.end(); 704193326Sed it != ie; ++it) { 705193326Sed Arg *A = *it; 706193326Sed 707193326Sed if (isa<InputOption>(A->getOption())) { 708193326Sed const char *Value = A->getValue(Args); 709193326Sed types::ID Ty = types::TY_INVALID; 710193326Sed 711193326Sed // Infer the input type if necessary. 712193326Sed if (InputType == types::TY_Nothing) { 713193326Sed // If there was an explicit arg for this, claim it. 714193326Sed if (InputTypeArg) 715193326Sed InputTypeArg->claim(); 716193326Sed 717193326Sed // stdin must be handled specially. 718193326Sed if (memcmp(Value, "-", 2) == 0) { 719198092Srdivacky // If running with -E, treat as a C input (this changes the builtin 720198092Srdivacky // macros, for example). This may be overridden by -ObjC below. 721193326Sed // 722198092Srdivacky // Otherwise emit an error but still use a valid type to avoid 723198092Srdivacky // spurious errors (e.g., no inputs). 724221345Sdim if (!Args.hasArgNoClaim(options::OPT_E) && !CCCIsCPP) 725193326Sed Diag(clang::diag::err_drv_unknown_stdin_type); 726193326Sed Ty = types::TY_C; 727193326Sed } else { 728221345Sdim // Otherwise lookup by extension. 729221345Sdim // Fallback is C if invoked as C preprocessor or Object otherwise. 730221345Sdim // We use a host hook here because Darwin at least has its own 731198092Srdivacky // idea of what .s is. 732193326Sed if (const char *Ext = strrchr(Value, '.')) 733212904Sdim Ty = TC.LookupTypeForExtension(Ext + 1); 734193326Sed 735221345Sdim if (Ty == types::TY_INVALID) { 736221345Sdim if (CCCIsCPP) 737221345Sdim Ty = types::TY_C; 738221345Sdim else 739221345Sdim Ty = types::TY_Object; 740221345Sdim } 741204643Srdivacky 742204643Srdivacky // If the driver is invoked as C++ compiler (like clang++ or c++) it 743204643Srdivacky // should autodetect some input files as C++ for g++ compatibility. 744204643Srdivacky if (CCCIsCXX) { 745204643Srdivacky types::ID OldTy = Ty; 746204643Srdivacky Ty = types::lookupCXXTypeForCType(Ty); 747204643Srdivacky 748204643Srdivacky if (Ty != OldTy) 749204643Srdivacky Diag(clang::diag::warn_drv_treating_input_as_cxx) 750204643Srdivacky << getTypeName(OldTy) << getTypeName(Ty); 751204643Srdivacky } 752193326Sed } 753193326Sed 754193326Sed // -ObjC and -ObjC++ override the default language, but only for "source 755193326Sed // files". We just treat everything that isn't a linker input as a 756193326Sed // source file. 757198092Srdivacky // 758193326Sed // FIXME: Clean this up if we move the phase sequence into the type. 759193326Sed if (Ty != types::TY_Object) { 760193326Sed if (Args.hasArg(options::OPT_ObjC)) 761193326Sed Ty = types::TY_ObjC; 762193326Sed else if (Args.hasArg(options::OPT_ObjCXX)) 763193326Sed Ty = types::TY_ObjCXX; 764193326Sed } 765193326Sed } else { 766193326Sed assert(InputTypeArg && "InputType set w/o InputTypeArg"); 767193326Sed InputTypeArg->claim(); 768193326Sed Ty = InputType; 769193326Sed } 770193326Sed 771203955Srdivacky // Check that the file exists, if enabled. 772218893Sdim if (CheckInputsExist && memcmp(Value, "-", 2) != 0) { 773218893Sdim llvm::SmallString<64> Path(Value); 774218893Sdim if (Arg *WorkDir = Args.getLastArg(options::OPT_working_directory)) 775218893Sdim if (llvm::sys::path::is_absolute(Path.str())) { 776218893Sdim Path = WorkDir->getValue(Args); 777218893Sdim llvm::sys::path::append(Path, Value); 778218893Sdim } 779218893Sdim 780218893Sdim bool exists = false; 781218893Sdim if (/*error_code ec =*/llvm::sys::fs::exists(Value, exists) || !exists) 782218893Sdim Diag(clang::diag::err_drv_no_such_file) << Path.str(); 783218893Sdim else 784218893Sdim Inputs.push_back(std::make_pair(Ty, A)); 785218893Sdim } else 786193326Sed Inputs.push_back(std::make_pair(Ty, A)); 787193326Sed 788193326Sed } else if (A->getOption().isLinkerInput()) { 789198092Srdivacky // Just treat as object type, we could make a special type for this if 790198092Srdivacky // necessary. 791193326Sed Inputs.push_back(std::make_pair(types::TY_Object, A)); 792193326Sed 793199512Srdivacky } else if (A->getOption().matches(options::OPT_x)) { 794198092Srdivacky InputTypeArg = A; 795193326Sed InputType = types::lookupTypeForTypeSpecifier(A->getValue(Args)); 796193326Sed 797193326Sed // Follow gcc behavior and treat as linker input for invalid -x 798198092Srdivacky // options. Its not clear why we shouldn't just revert to unknown; but 799218893Sdim // this isn't very important, we might as well be bug compatible. 800193326Sed if (!InputType) { 801193326Sed Diag(clang::diag::err_drv_unknown_language) << A->getValue(Args); 802193326Sed InputType = types::TY_Object; 803193326Sed } 804193326Sed } 805193326Sed } 806193326Sed 807221345Sdim if (CCCIsCPP && Inputs.empty()) { 808221345Sdim // If called as standalone preprocessor, stdin is processed 809221345Sdim // if no other input is present. 810221345Sdim unsigned Index = Args.getBaseArgs().MakeIndex("-"); 811221345Sdim Arg *A = Opts->ParseOneArg(Args, Index); 812221345Sdim A->claim(); 813221345Sdim Inputs.push_back(std::make_pair(types::TY_C, A)); 814221345Sdim } 815221345Sdim 816193326Sed if (!SuppressMissingInputWarning && Inputs.empty()) { 817193326Sed Diag(clang::diag::err_drv_no_input_files); 818193326Sed return; 819193326Sed } 820193326Sed 821198092Srdivacky // Determine which compilation mode we are in. We look for options which 822198092Srdivacky // affect the phase, starting with the earliest phases, and record which 823198092Srdivacky // option we used to determine the final phase. 824193326Sed Arg *FinalPhaseArg = 0; 825193326Sed phases::ID FinalPhase; 826193326Sed 827193326Sed // -{E,M,MM} only run the preprocessor. 828221345Sdim if (CCCIsCPP || 829221345Sdim (FinalPhaseArg = Args.getLastArg(options::OPT_E)) || 830218893Sdim (FinalPhaseArg = Args.getLastArg(options::OPT_M, options::OPT_MM))) { 831193326Sed FinalPhase = phases::Preprocess; 832198092Srdivacky 833198092Srdivacky // -{fsyntax-only,-analyze,emit-ast,S} only run up to the compiler. 834193326Sed } else if ((FinalPhaseArg = Args.getLastArg(options::OPT_fsyntax_only)) || 835203955Srdivacky (FinalPhaseArg = Args.getLastArg(options::OPT_rewrite_objc)) || 836193326Sed (FinalPhaseArg = Args.getLastArg(options::OPT__analyze, 837193326Sed options::OPT__analyze_auto)) || 838198092Srdivacky (FinalPhaseArg = Args.getLastArg(options::OPT_emit_ast)) || 839193326Sed (FinalPhaseArg = Args.getLastArg(options::OPT_S))) { 840193326Sed FinalPhase = phases::Compile; 841193326Sed 842193326Sed // -c only runs up to the assembler. 843193326Sed } else if ((FinalPhaseArg = Args.getLastArg(options::OPT_c))) { 844193326Sed FinalPhase = phases::Assemble; 845198092Srdivacky 846193326Sed // Otherwise do everything. 847193326Sed } else 848193326Sed FinalPhase = phases::Link; 849193326Sed 850198092Srdivacky // Reject -Z* at the top level, these options should never have been exposed 851198092Srdivacky // by gcc. 852193326Sed if (Arg *A = Args.getLastArg(options::OPT_Z_Joined)) 853193326Sed Diag(clang::diag::err_drv_use_of_Z_option) << A->getAsString(Args); 854193326Sed 855193326Sed // Construct the actions to perform. 856193326Sed ActionList LinkerInputs; 857193326Sed for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 858193326Sed types::ID InputType = Inputs[i].first; 859193326Sed const Arg *InputArg = Inputs[i].second; 860193326Sed 861193326Sed unsigned NumSteps = types::getNumCompilationPhases(InputType); 862193326Sed assert(NumSteps && "Invalid number of steps!"); 863193326Sed 864198092Srdivacky // If the first step comes after the final phase we are doing as part of 865198092Srdivacky // this compilation, warn the user about it. 866193326Sed phases::ID InitialPhase = types::getCompilationPhase(InputType, 0); 867193326Sed if (InitialPhase > FinalPhase) { 868193326Sed // Claim here to avoid the more general unused warning. 869193326Sed InputArg->claim(); 870198092Srdivacky 871221345Sdim // Suppress all unused style warnings with -Qunused-arguments 872221345Sdim if (Args.hasArg(options::OPT_Qunused_arguments)) 873221345Sdim continue; 874221345Sdim 875198092Srdivacky // Special case '-E' warning on a previously preprocessed file to make 876198092Srdivacky // more sense. 877198092Srdivacky if (InitialPhase == phases::Compile && FinalPhase == phases::Preprocess && 878198092Srdivacky getPreprocessedType(InputType) == types::TY_INVALID) 879198092Srdivacky Diag(clang::diag::warn_drv_preprocessed_input_file_unused) 880198092Srdivacky << InputArg->getAsString(Args) 881198092Srdivacky << FinalPhaseArg->getOption().getName(); 882198092Srdivacky else 883198092Srdivacky Diag(clang::diag::warn_drv_input_file_unused) 884198092Srdivacky << InputArg->getAsString(Args) 885198092Srdivacky << getPhaseName(InitialPhase) 886198092Srdivacky << FinalPhaseArg->getOption().getName(); 887193326Sed continue; 888193326Sed } 889198092Srdivacky 890193326Sed // Build the pipeline for this file. 891202879Srdivacky llvm::OwningPtr<Action> Current(new InputAction(*InputArg, InputType)); 892193326Sed for (unsigned i = 0; i != NumSteps; ++i) { 893193326Sed phases::ID Phase = types::getCompilationPhase(InputType, i); 894193326Sed 895193326Sed // We are done if this step is past what the user requested. 896193326Sed if (Phase > FinalPhase) 897193326Sed break; 898193326Sed 899193326Sed // Queue linker inputs. 900193326Sed if (Phase == phases::Link) { 901193326Sed assert(i + 1 == NumSteps && "linking must be final compilation step."); 902202879Srdivacky LinkerInputs.push_back(Current.take()); 903193326Sed break; 904193326Sed } 905193326Sed 906198092Srdivacky // Some types skip the assembler phase (e.g., llvm-bc), but we can't 907198092Srdivacky // encode this in the steps because the intermediate type depends on 908198092Srdivacky // arguments. Just special case here. 909193326Sed if (Phase == phases::Assemble && Current->getType() != types::TY_PP_Asm) 910193326Sed continue; 911193326Sed 912193326Sed // Otherwise construct the appropriate action. 913202879Srdivacky Current.reset(ConstructPhaseAction(Args, Phase, Current.take())); 914193326Sed if (Current->getType() == types::TY_Nothing) 915193326Sed break; 916193326Sed } 917193326Sed 918193326Sed // If we ended with something, add to the output list. 919193326Sed if (Current) 920202879Srdivacky Actions.push_back(Current.take()); 921193326Sed } 922193326Sed 923193326Sed // Add a link action if necessary. 924193326Sed if (!LinkerInputs.empty()) 925193326Sed Actions.push_back(new LinkJobAction(LinkerInputs, types::TY_Image)); 926201361Srdivacky 927201361Srdivacky // If we are linking, claim any options which are obviously only used for 928201361Srdivacky // compilation. 929201361Srdivacky if (FinalPhase == phases::Link) 930201361Srdivacky Args.ClaimAllArgs(options::OPT_CompileOnly_Group); 931193326Sed} 932193326Sed 933193326SedAction *Driver::ConstructPhaseAction(const ArgList &Args, phases::ID Phase, 934193326Sed Action *Input) const { 935193326Sed llvm::PrettyStackTraceString CrashInfo("Constructing phase actions"); 936193326Sed // Build the appropriate action. 937193326Sed switch (Phase) { 938193326Sed case phases::Link: assert(0 && "link action invalid here."); 939193326Sed case phases::Preprocess: { 940193326Sed types::ID OutputTy; 941193326Sed // -{M, MM} alter the output type. 942218893Sdim if (Args.hasArg(options::OPT_M, options::OPT_MM)) { 943193326Sed OutputTy = types::TY_Dependencies; 944193326Sed } else { 945193326Sed OutputTy = types::getPreprocessedType(Input->getType()); 946193326Sed assert(OutputTy != types::TY_INVALID && 947193326Sed "Cannot preprocess this input type!"); 948193326Sed } 949193326Sed return new PreprocessJobAction(Input, OutputTy); 950193326Sed } 951193326Sed case phases::Precompile: 952198092Srdivacky return new PrecompileJobAction(Input, types::TY_PCH); 953193326Sed case phases::Compile: { 954193326Sed if (Args.hasArg(options::OPT_fsyntax_only)) { 955193326Sed return new CompileJobAction(Input, types::TY_Nothing); 956203955Srdivacky } else if (Args.hasArg(options::OPT_rewrite_objc)) { 957203955Srdivacky return new CompileJobAction(Input, types::TY_RewrittenObjC); 958193326Sed } else if (Args.hasArg(options::OPT__analyze, options::OPT__analyze_auto)) { 959193326Sed return new AnalyzeJobAction(Input, types::TY_Plist); 960198092Srdivacky } else if (Args.hasArg(options::OPT_emit_ast)) { 961198092Srdivacky return new CompileJobAction(Input, types::TY_AST); 962224145Sdim } else if (IsUsingLTO(Args)) { 963198092Srdivacky types::ID Output = 964210299Sed Args.hasArg(options::OPT_S) ? types::TY_LTO_IR : types::TY_LTO_BC; 965193326Sed return new CompileJobAction(Input, Output); 966193326Sed } else { 967193326Sed return new CompileJobAction(Input, types::TY_PP_Asm); 968193326Sed } 969193326Sed } 970193326Sed case phases::Assemble: 971193326Sed return new AssembleJobAction(Input, types::TY_Object); 972193326Sed } 973193326Sed 974193326Sed assert(0 && "invalid phase in ConstructPhaseAction"); 975193326Sed return 0; 976193326Sed} 977193326Sed 978224145Sdimbool Driver::IsUsingLTO(const ArgList &Args) const { 979224145Sdim // Check for -emit-llvm or -flto. 980224145Sdim if (Args.hasArg(options::OPT_emit_llvm) || 981224145Sdim Args.hasFlag(options::OPT_flto, options::OPT_fno_lto, false)) 982224145Sdim return true; 983224145Sdim 984224145Sdim // Check for -O4. 985224145Sdim if (const Arg *A = Args.getLastArg(options::OPT_O_Group)) 986224145Sdim return A->getOption().matches(options::OPT_O4); 987224145Sdim 988224145Sdim return false; 989224145Sdim} 990224145Sdim 991193326Sedvoid Driver::BuildJobs(Compilation &C) const { 992193326Sed llvm::PrettyStackTraceString CrashInfo("Building compilation jobs"); 993193326Sed 994193326Sed Arg *FinalOutput = C.getArgs().getLastArg(options::OPT_o); 995193326Sed 996198092Srdivacky // It is an error to provide a -o option if we are making multiple output 997198092Srdivacky // files. 998193326Sed if (FinalOutput) { 999193326Sed unsigned NumOutputs = 0; 1000198092Srdivacky for (ActionList::const_iterator it = C.getActions().begin(), 1001193326Sed ie = C.getActions().end(); it != ie; ++it) 1002193326Sed if ((*it)->getType() != types::TY_Nothing) 1003193326Sed ++NumOutputs; 1004198092Srdivacky 1005193326Sed if (NumOutputs > 1) { 1006193326Sed Diag(clang::diag::err_drv_output_argument_with_multiple_files); 1007193326Sed FinalOutput = 0; 1008193326Sed } 1009193326Sed } 1010193326Sed 1011198092Srdivacky for (ActionList::const_iterator it = C.getActions().begin(), 1012193326Sed ie = C.getActions().end(); it != ie; ++it) { 1013193326Sed Action *A = *it; 1014193326Sed 1015198092Srdivacky // If we are linking an image for multiple archs then the linker wants 1016198092Srdivacky // -arch_multiple and -final_output <final image name>. Unfortunately, this 1017198092Srdivacky // doesn't fit in cleanly because we have to pass this information down. 1018193326Sed // 1019198092Srdivacky // FIXME: This is a hack; find a cleaner way to integrate this into the 1020198092Srdivacky // process. 1021193326Sed const char *LinkingOutput = 0; 1022193326Sed if (isa<LipoJobAction>(A)) { 1023193326Sed if (FinalOutput) 1024193326Sed LinkingOutput = FinalOutput->getValue(C.getArgs()); 1025193326Sed else 1026193326Sed LinkingOutput = DefaultImageName.c_str(); 1027193326Sed } 1028193326Sed 1029193326Sed InputInfo II; 1030198092Srdivacky BuildJobsForAction(C, A, &C.getDefaultToolChain(), 1031198092Srdivacky /*BoundArch*/0, 1032193326Sed /*AtTopLevel*/ true, 1033193326Sed /*LinkingOutput*/ LinkingOutput, 1034193326Sed II); 1035193326Sed } 1036193326Sed 1037198092Srdivacky // If the user passed -Qunused-arguments or there were errors, don't warn 1038198092Srdivacky // about any unused arguments. 1039218893Sdim if (Diags.hasErrorOccurred() || 1040193326Sed C.getArgs().hasArg(options::OPT_Qunused_arguments)) 1041193326Sed return; 1042193326Sed 1043193326Sed // Claim -### here. 1044193326Sed (void) C.getArgs().hasArg(options::OPT__HASH_HASH_HASH); 1045198092Srdivacky 1046193326Sed for (ArgList::const_iterator it = C.getArgs().begin(), ie = C.getArgs().end(); 1047193326Sed it != ie; ++it) { 1048193326Sed Arg *A = *it; 1049198092Srdivacky 1050193326Sed // FIXME: It would be nice to be able to send the argument to the 1051198092Srdivacky // Diagnostic, so that extra values, position, and so on could be printed. 1052193326Sed if (!A->isClaimed()) { 1053193326Sed if (A->getOption().hasNoArgumentUnused()) 1054193326Sed continue; 1055193326Sed 1056198092Srdivacky // Suppress the warning automatically if this is just a flag, and it is an 1057198092Srdivacky // instance of an argument we already claimed. 1058193326Sed const Option &Opt = A->getOption(); 1059193326Sed if (isa<FlagOption>(Opt)) { 1060193326Sed bool DuplicateClaimed = false; 1061193326Sed 1062199990Srdivacky for (arg_iterator it = C.getArgs().filtered_begin(&Opt), 1063199990Srdivacky ie = C.getArgs().filtered_end(); it != ie; ++it) { 1064199990Srdivacky if ((*it)->isClaimed()) { 1065193326Sed DuplicateClaimed = true; 1066193326Sed break; 1067193326Sed } 1068193326Sed } 1069193326Sed 1070193326Sed if (DuplicateClaimed) 1071193326Sed continue; 1072193326Sed } 1073193326Sed 1074198092Srdivacky Diag(clang::diag::warn_drv_unused_argument) 1075193326Sed << A->getAsString(C.getArgs()); 1076193326Sed } 1077193326Sed } 1078193326Sed} 1079193326Sed 1080203955Srdivackystatic const Tool &SelectToolForJob(Compilation &C, const ToolChain *TC, 1081203955Srdivacky const JobAction *JA, 1082203955Srdivacky const ActionList *&Inputs) { 1083203955Srdivacky const Tool *ToolForJob = 0; 1084203955Srdivacky 1085203955Srdivacky // See if we should look for a compiler with an integrated assembler. We match 1086203955Srdivacky // bottom up, so what we are actually looking for is an assembler job with a 1087203955Srdivacky // compiler input. 1088208600Srdivacky 1089208600Srdivacky // FIXME: This doesn't belong here, but ideally we will support static soon 1090208600Srdivacky // anyway. 1091208600Srdivacky bool HasStatic = (C.getArgs().hasArg(options::OPT_mkernel) || 1092208600Srdivacky C.getArgs().hasArg(options::OPT_static) || 1093208600Srdivacky C.getArgs().hasArg(options::OPT_fapple_kext)); 1094221345Sdim bool IsDarwin = TC->getTriple().getOS() == llvm::Triple::Darwin; 1095221345Sdim bool IsIADefault = TC->IsIntegratedAssemblerDefault() && 1096221345Sdim !(HasStatic && IsDarwin); 1097208600Srdivacky if (C.getArgs().hasFlag(options::OPT_integrated_as, 1098203955Srdivacky options::OPT_no_integrated_as, 1099208600Srdivacky IsIADefault) && 1100203955Srdivacky !C.getArgs().hasArg(options::OPT_save_temps) && 1101203955Srdivacky isa<AssembleJobAction>(JA) && 1102203955Srdivacky Inputs->size() == 1 && isa<CompileJobAction>(*Inputs->begin())) { 1103221345Sdim const Tool &Compiler = TC->SelectTool( 1104221345Sdim C, cast<JobAction>(**Inputs->begin()), (*Inputs)[0]->getInputs()); 1105203955Srdivacky if (Compiler.hasIntegratedAssembler()) { 1106203955Srdivacky Inputs = &(*Inputs)[0]->getInputs(); 1107203955Srdivacky ToolForJob = &Compiler; 1108203955Srdivacky } 1109203955Srdivacky } 1110203955Srdivacky 1111203955Srdivacky // Otherwise use the tool for the current job. 1112203955Srdivacky if (!ToolForJob) 1113221345Sdim ToolForJob = &TC->SelectTool(C, *JA, *Inputs); 1114203955Srdivacky 1115203955Srdivacky // See if we should use an integrated preprocessor. We do so when we have 1116203955Srdivacky // exactly one input, since this is the only use case we care about 1117203955Srdivacky // (irrelevant since we don't support combine yet). 1118203955Srdivacky if (Inputs->size() == 1 && isa<PreprocessJobAction>(*Inputs->begin()) && 1119203955Srdivacky !C.getArgs().hasArg(options::OPT_no_integrated_cpp) && 1120203955Srdivacky !C.getArgs().hasArg(options::OPT_traditional_cpp) && 1121203955Srdivacky !C.getArgs().hasArg(options::OPT_save_temps) && 1122203955Srdivacky ToolForJob->hasIntegratedCPP()) 1123203955Srdivacky Inputs = &(*Inputs)[0]->getInputs(); 1124203955Srdivacky 1125203955Srdivacky return *ToolForJob; 1126203955Srdivacky} 1127203955Srdivacky 1128193326Sedvoid Driver::BuildJobsForAction(Compilation &C, 1129193326Sed const Action *A, 1130193326Sed const ToolChain *TC, 1131198092Srdivacky const char *BoundArch, 1132193326Sed bool AtTopLevel, 1133193326Sed const char *LinkingOutput, 1134193326Sed InputInfo &Result) const { 1135198092Srdivacky llvm::PrettyStackTraceString CrashInfo("Building compilation jobs"); 1136193326Sed 1137193326Sed if (const InputAction *IA = dyn_cast<InputAction>(A)) { 1138198092Srdivacky // FIXME: It would be nice to not claim this here; maybe the old scheme of 1139198092Srdivacky // just using Args was better? 1140193326Sed const Arg &Input = IA->getInputArg(); 1141193326Sed Input.claim(); 1142210299Sed if (Input.getOption().matches(options::OPT_INPUT)) { 1143193326Sed const char *Name = Input.getValue(C.getArgs()); 1144193326Sed Result = InputInfo(Name, A->getType(), Name); 1145193326Sed } else 1146193326Sed Result = InputInfo(&Input, A->getType(), ""); 1147193326Sed return; 1148193326Sed } 1149193326Sed 1150193326Sed if (const BindArchAction *BAA = dyn_cast<BindArchAction>(A)) { 1151198092Srdivacky const ToolChain *TC = &C.getDefaultToolChain(); 1152198092Srdivacky 1153193326Sed std::string Arch; 1154198092Srdivacky if (BAA->getArchName()) 1155198092Srdivacky TC = Host->CreateToolChain(C.getArgs(), BAA->getArchName()); 1156198092Srdivacky 1157198092Srdivacky BuildJobsForAction(C, *BAA->begin(), TC, BAA->getArchName(), 1158212904Sdim AtTopLevel, LinkingOutput, Result); 1159193326Sed return; 1160193326Sed } 1161193326Sed 1162203955Srdivacky const ActionList *Inputs = &A->getInputs(); 1163203955Srdivacky 1164193326Sed const JobAction *JA = cast<JobAction>(A); 1165203955Srdivacky const Tool &T = SelectToolForJob(C, TC, JA, Inputs); 1166198092Srdivacky 1167193326Sed // Only use pipes when there is exactly one input. 1168193326Sed InputInfoList InputInfos; 1169193326Sed for (ActionList::const_iterator it = Inputs->begin(), ie = Inputs->end(); 1170193326Sed it != ie; ++it) { 1171210299Sed // Treat dsymutil sub-jobs as being at the top-level too, they shouldn't get 1172210299Sed // temporary output names. 1173210299Sed // 1174210299Sed // FIXME: Clean this up. 1175210299Sed bool SubJobAtTopLevel = false; 1176210299Sed if (AtTopLevel && isa<DsymutilJobAction>(A)) 1177210299Sed SubJobAtTopLevel = true; 1178210299Sed 1179193326Sed InputInfo II; 1180212904Sdim BuildJobsForAction(C, *it, TC, BoundArch, 1181210299Sed SubJobAtTopLevel, LinkingOutput, II); 1182193326Sed InputInfos.push_back(II); 1183193326Sed } 1184193326Sed 1185193326Sed // Always use the first input as the base input. 1186193326Sed const char *BaseInput = InputInfos[0].getBaseInput(); 1187193326Sed 1188210299Sed // ... except dsymutil actions, which use their actual input as the base 1189210299Sed // input. 1190210299Sed if (JA->getType() == types::TY_dSYM) 1191210299Sed BaseInput = InputInfos[0].getFilename(); 1192210299Sed 1193212904Sdim // Determine the place to write output to, if any. 1194193326Sed if (JA->getType() == types::TY_Nothing) { 1195193326Sed Result = InputInfo(A->getType(), BaseInput); 1196193326Sed } else { 1197193326Sed Result = InputInfo(GetNamedOutputPath(C, *JA, BaseInput, AtTopLevel), 1198193326Sed A->getType(), BaseInput); 1199193326Sed } 1200193326Sed 1201193326Sed if (CCCPrintBindings) { 1202193326Sed llvm::errs() << "# \"" << T.getToolChain().getTripleString() << '"' 1203193326Sed << " - \"" << T.getName() << "\", inputs: ["; 1204193326Sed for (unsigned i = 0, e = InputInfos.size(); i != e; ++i) { 1205193326Sed llvm::errs() << InputInfos[i].getAsString(); 1206193326Sed if (i + 1 != e) 1207193326Sed llvm::errs() << ", "; 1208193326Sed } 1209193326Sed llvm::errs() << "], output: " << Result.getAsString() << "\n"; 1210193326Sed } else { 1211212904Sdim T.ConstructJob(C, *JA, Result, InputInfos, 1212198092Srdivacky C.getArgsForToolChain(TC, BoundArch), LinkingOutput); 1213193326Sed } 1214193326Sed} 1215193326Sed 1216198092Srdivackyconst char *Driver::GetNamedOutputPath(Compilation &C, 1217193326Sed const JobAction &JA, 1218193326Sed const char *BaseInput, 1219193326Sed bool AtTopLevel) const { 1220193326Sed llvm::PrettyStackTraceString CrashInfo("Computing output path"); 1221193326Sed // Output to a user requested destination? 1222210299Sed if (AtTopLevel && !isa<DsymutilJobAction>(JA)) { 1223193326Sed if (Arg *FinalOutput = C.getArgs().getLastArg(options::OPT_o)) 1224193326Sed return C.addResultFile(FinalOutput->getValue(C.getArgs())); 1225193326Sed } 1226193326Sed 1227212904Sdim // Default to writing to stdout? 1228212904Sdim if (AtTopLevel && isa<PreprocessJobAction>(JA)) 1229212904Sdim return "-"; 1230212904Sdim 1231193326Sed // Output to a temporary file? 1232193326Sed if (!AtTopLevel && !C.getArgs().hasArg(options::OPT_save_temps)) { 1233198092Srdivacky std::string TmpName = 1234193326Sed GetTemporaryPath(types::getTypeTempSuffix(JA.getType())); 1235193326Sed return C.addTempFile(C.getArgs().MakeArgString(TmpName.c_str())); 1236193326Sed } 1237193326Sed 1238218893Sdim llvm::SmallString<128> BasePath(BaseInput); 1239221345Sdim llvm::StringRef BaseName; 1240193326Sed 1241221345Sdim // Dsymutil actions should use the full path. 1242221345Sdim if (isa<DsymutilJobAction>(JA)) 1243221345Sdim BaseName = BasePath; 1244221345Sdim else 1245221345Sdim BaseName = llvm::sys::path::filename(BasePath); 1246221345Sdim 1247193326Sed // Determine what the derived output name should be. 1248193326Sed const char *NamedOutput; 1249193326Sed if (JA.getType() == types::TY_Image) { 1250193326Sed NamedOutput = DefaultImageName.c_str(); 1251193326Sed } else { 1252193326Sed const char *Suffix = types::getTypeTempSuffix(JA.getType()); 1253193326Sed assert(Suffix && "All types used for output should have a suffix."); 1254193326Sed 1255193326Sed std::string::size_type End = std::string::npos; 1256193326Sed if (!types::appendSuffixForType(JA.getType())) 1257193326Sed End = BaseName.rfind('.'); 1258193326Sed std::string Suffixed(BaseName.substr(0, End)); 1259193326Sed Suffixed += '.'; 1260193326Sed Suffixed += Suffix; 1261193326Sed NamedOutput = C.getArgs().MakeArgString(Suffixed.c_str()); 1262193326Sed } 1263193326Sed 1264224145Sdim // If we're saving temps and the temp filename conflicts with the input 1265224145Sdim // filename, then avoid overwriting input file. 1266224145Sdim if (!AtTopLevel && C.getArgs().hasArg(options::OPT_save_temps) && 1267224145Sdim NamedOutput == BaseName) { 1268224145Sdim std::string TmpName = 1269224145Sdim GetTemporaryPath(types::getTypeTempSuffix(JA.getType())); 1270224145Sdim return C.addTempFile(C.getArgs().MakeArgString(TmpName.c_str())); 1271224145Sdim } 1272224145Sdim 1273198092Srdivacky // As an annoying special case, PCH generation doesn't strip the pathname. 1274193326Sed if (JA.getType() == types::TY_PCH) { 1275218893Sdim llvm::sys::path::remove_filename(BasePath); 1276218893Sdim if (BasePath.empty()) 1277193326Sed BasePath = NamedOutput; 1278193326Sed else 1279218893Sdim llvm::sys::path::append(BasePath, NamedOutput); 1280193326Sed return C.addResultFile(C.getArgs().MakeArgString(BasePath.c_str())); 1281193326Sed } else { 1282193326Sed return C.addResultFile(NamedOutput); 1283193326Sed } 1284193326Sed} 1285193326Sed 1286198092Srdivackystd::string Driver::GetFilePath(const char *Name, const ToolChain &TC) const { 1287206084Srdivacky // Respect a limited subset of the '-Bprefix' functionality in GCC by 1288206084Srdivacky // attempting to use this prefix when lokup up program paths. 1289218893Sdim for (Driver::prefix_list::const_iterator it = PrefixDirs.begin(), 1290218893Sdim ie = PrefixDirs.end(); it != ie; ++it) { 1291221345Sdim std::string Dir(*it); 1292221345Sdim if (Dir.empty()) 1293221345Sdim continue; 1294221345Sdim if (Dir[0] == '=') 1295221345Sdim Dir = SysRoot + Dir.substr(1); 1296221345Sdim llvm::sys::Path P(Dir); 1297206084Srdivacky P.appendComponent(Name); 1298218893Sdim bool Exists; 1299218893Sdim if (!llvm::sys::fs::exists(P.str(), Exists) && Exists) 1300206084Srdivacky return P.str(); 1301206084Srdivacky } 1302206084Srdivacky 1303193326Sed const ToolChain::path_list &List = TC.getFilePaths(); 1304198092Srdivacky for (ToolChain::path_list::const_iterator 1305193326Sed it = List.begin(), ie = List.end(); it != ie; ++it) { 1306221345Sdim std::string Dir(*it); 1307221345Sdim if (Dir.empty()) 1308221345Sdim continue; 1309221345Sdim if (Dir[0] == '=') 1310221345Sdim Dir = SysRoot + Dir.substr(1); 1311221345Sdim llvm::sys::Path P(Dir); 1312193326Sed P.appendComponent(Name); 1313218893Sdim bool Exists; 1314218893Sdim if (!llvm::sys::fs::exists(P.str(), Exists) && Exists) 1315198092Srdivacky return P.str(); 1316193326Sed } 1317193326Sed 1318198092Srdivacky return Name; 1319193326Sed} 1320193326Sed 1321198092Srdivackystd::string Driver::GetProgramPath(const char *Name, const ToolChain &TC, 1322198092Srdivacky bool WantFile) const { 1323206084Srdivacky // Respect a limited subset of the '-Bprefix' functionality in GCC by 1324206084Srdivacky // attempting to use this prefix when lokup up program paths. 1325218893Sdim for (Driver::prefix_list::const_iterator it = PrefixDirs.begin(), 1326218893Sdim ie = PrefixDirs.end(); it != ie; ++it) { 1327218893Sdim llvm::sys::Path P(*it); 1328206084Srdivacky P.appendComponent(Name); 1329218893Sdim bool Exists; 1330218893Sdim if (WantFile ? !llvm::sys::fs::exists(P.str(), Exists) && Exists 1331218893Sdim : P.canExecute()) 1332206084Srdivacky return P.str(); 1333206084Srdivacky } 1334206084Srdivacky 1335193326Sed const ToolChain::path_list &List = TC.getProgramPaths(); 1336198092Srdivacky for (ToolChain::path_list::const_iterator 1337193326Sed it = List.begin(), ie = List.end(); it != ie; ++it) { 1338193326Sed llvm::sys::Path P(*it); 1339193326Sed P.appendComponent(Name); 1340218893Sdim bool Exists; 1341218893Sdim if (WantFile ? !llvm::sys::fs::exists(P.str(), Exists) && Exists 1342218893Sdim : P.canExecute()) 1343198092Srdivacky return P.str(); 1344193326Sed } 1345193326Sed 1346193326Sed // If all else failed, search the path. 1347193326Sed llvm::sys::Path P(llvm::sys::Program::FindProgramByName(Name)); 1348193326Sed if (!P.empty()) 1349198092Srdivacky return P.str(); 1350193326Sed 1351198092Srdivacky return Name; 1352193326Sed} 1353193326Sed 1354193326Sedstd::string Driver::GetTemporaryPath(const char *Suffix) const { 1355198092Srdivacky // FIXME: This is lame; sys::Path should provide this function (in particular, 1356198092Srdivacky // it should know how to find the temporary files dir). 1357193326Sed std::string Error; 1358193326Sed const char *TmpDir = ::getenv("TMPDIR"); 1359193326Sed if (!TmpDir) 1360193326Sed TmpDir = ::getenv("TEMP"); 1361193326Sed if (!TmpDir) 1362193326Sed TmpDir = ::getenv("TMP"); 1363193326Sed if (!TmpDir) 1364193326Sed TmpDir = "/tmp"; 1365193326Sed llvm::sys::Path P(TmpDir); 1366193326Sed P.appendComponent("cc"); 1367193326Sed if (P.makeUnique(false, &Error)) { 1368193326Sed Diag(clang::diag::err_drv_unable_to_make_temp) << Error; 1369193326Sed return ""; 1370193326Sed } 1371193326Sed 1372198092Srdivacky // FIXME: Grumble, makeUnique sometimes leaves the file around!? PR3837. 1373193326Sed P.eraseFromDisk(false, 0); 1374193326Sed 1375193326Sed P.appendSuffix(Suffix); 1376198092Srdivacky return P.str(); 1377193326Sed} 1378193326Sed 1379193326Sedconst HostInfo *Driver::GetHostInfo(const char *TripleStr) const { 1380193326Sed llvm::PrettyStackTraceString CrashInfo("Constructing host"); 1381221345Sdim llvm::Triple Triple(llvm::Triple::normalize(TripleStr).c_str()); 1382193326Sed 1383204793Srdivacky // TCE is an osless target 1384204793Srdivacky if (Triple.getArchName() == "tce") 1385210299Sed return createTCEHostInfo(*this, Triple); 1386204793Srdivacky 1387193326Sed switch (Triple.getOS()) { 1388198092Srdivacky case llvm::Triple::AuroraUX: 1389198092Srdivacky return createAuroraUXHostInfo(*this, Triple); 1390193326Sed case llvm::Triple::Darwin: 1391193326Sed return createDarwinHostInfo(*this, Triple); 1392193326Sed case llvm::Triple::DragonFly: 1393193326Sed return createDragonFlyHostInfo(*this, Triple); 1394195341Sed case llvm::Triple::OpenBSD: 1395195341Sed return createOpenBSDHostInfo(*this, Triple); 1396218893Sdim case llvm::Triple::NetBSD: 1397218893Sdim return createNetBSDHostInfo(*this, Triple); 1398193326Sed case llvm::Triple::FreeBSD: 1399193326Sed return createFreeBSDHostInfo(*this, Triple); 1400210299Sed case llvm::Triple::Minix: 1401210299Sed return createMinixHostInfo(*this, Triple); 1402193326Sed case llvm::Triple::Linux: 1403193326Sed return createLinuxHostInfo(*this, Triple); 1404212904Sdim case llvm::Triple::Win32: 1405212904Sdim return createWindowsHostInfo(*this, Triple); 1406212904Sdim case llvm::Triple::MinGW32: 1407212904Sdim return createMinGWHostInfo(*this, Triple); 1408193326Sed default: 1409193326Sed return createUnknownHostInfo(*this, Triple); 1410193326Sed } 1411193326Sed} 1412193326Sed 1413193326Sedbool Driver::ShouldUseClangCompiler(const Compilation &C, const JobAction &JA, 1414198092Srdivacky const llvm::Triple &Triple) const { 1415198092Srdivacky // Check if user requested no clang, or clang doesn't understand this type (we 1416198092Srdivacky // only handle single inputs for now). 1417198092Srdivacky if (!CCCUseClang || JA.size() != 1 || 1418193326Sed !types::isAcceptedByClang((*JA.begin())->getType())) 1419193326Sed return false; 1420193326Sed 1421193326Sed // Otherwise make sure this is an action clang understands. 1422193326Sed if (isa<PreprocessJobAction>(JA)) { 1423193326Sed if (!CCCUseClangCPP) { 1424193326Sed Diag(clang::diag::warn_drv_not_using_clang_cpp); 1425193326Sed return false; 1426193326Sed } 1427193326Sed } else if (!isa<PrecompileJobAction>(JA) && !isa<CompileJobAction>(JA)) 1428193326Sed return false; 1429193326Sed 1430193326Sed // Use clang for C++? 1431193326Sed if (!CCCUseClangCXX && types::isCXX((*JA.begin())->getType())) { 1432193326Sed Diag(clang::diag::warn_drv_not_using_clang_cxx); 1433193326Sed return false; 1434193326Sed } 1435193326Sed 1436203955Srdivacky // Always use clang for precompiling, AST generation, and rewriting, 1437203955Srdivacky // regardless of archs. 1438210299Sed if (isa<PrecompileJobAction>(JA) || 1439210299Sed types::isOnlyAcceptedByClang(JA.getType())) 1440193326Sed return true; 1441193326Sed 1442198092Srdivacky // Finally, don't use clang if this isn't one of the user specified archs to 1443198092Srdivacky // build. 1444198092Srdivacky if (!CCCClangArchs.empty() && !CCCClangArchs.count(Triple.getArch())) { 1445198092Srdivacky Diag(clang::diag::warn_drv_not_using_clang_arch) << Triple.getArchName(); 1446193326Sed return false; 1447193326Sed } 1448193326Sed 1449193326Sed return true; 1450193326Sed} 1451193326Sed 1452198092Srdivacky/// GetReleaseVersion - Parse (([0-9]+)(.([0-9]+)(.([0-9]+)?))?)? and return the 1453198092Srdivacky/// grouped values as integers. Numbers which are not provided are set to 0. 1454193326Sed/// 1455198092Srdivacky/// \return True if the entire string was parsed (9.2), or all groups were 1456198092Srdivacky/// parsed (10.3.5extrastuff). 1457198092Srdivackybool Driver::GetReleaseVersion(const char *Str, unsigned &Major, 1458193326Sed unsigned &Minor, unsigned &Micro, 1459193326Sed bool &HadExtra) { 1460193326Sed HadExtra = false; 1461193326Sed 1462193326Sed Major = Minor = Micro = 0; 1463198092Srdivacky if (*Str == '\0') 1464193326Sed return true; 1465193326Sed 1466193326Sed char *End; 1467193326Sed Major = (unsigned) strtol(Str, &End, 10); 1468193326Sed if (*Str != '\0' && *End == '\0') 1469193326Sed return true; 1470193326Sed if (*End != '.') 1471193326Sed return false; 1472198092Srdivacky 1473193326Sed Str = End+1; 1474193326Sed Minor = (unsigned) strtol(Str, &End, 10); 1475193326Sed if (*Str != '\0' && *End == '\0') 1476193326Sed return true; 1477193326Sed if (*End != '.') 1478193326Sed return false; 1479193326Sed 1480193326Sed Str = End+1; 1481193326Sed Micro = (unsigned) strtol(Str, &End, 10); 1482193326Sed if (*Str != '\0' && *End == '\0') 1483193326Sed return true; 1484193326Sed if (Str == End) 1485193326Sed return false; 1486193326Sed HadExtra = true; 1487193326Sed return true; 1488193326Sed} 1489