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-rw-r--r--lib/Driver/Driver.cpp147
1 files changed, 85 insertions, 62 deletions
diff --git a/lib/Driver/Driver.cpp b/lib/Driver/Driver.cpp
index ba4d0e836b44e..9ae33b80f8898 100644
--- a/lib/Driver/Driver.cpp
+++ b/lib/Driver/Driver.cpp
@@ -12,7 +12,6 @@
#include "ToolChains/AMDGPU.h"
#include "ToolChains/AVR.h"
#include "ToolChains/Ananas.h"
-#include "ToolChains/Bitrig.h"
#include "ToolChains/Clang.h"
#include "ToolChains/CloudABI.h"
#include "ToolChains/Contiki.h"
@@ -69,6 +68,7 @@
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/Process.h"
#include "llvm/Support/Program.h"
+#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/raw_ostream.h"
#include <map>
#include <memory>
@@ -87,7 +87,7 @@ Driver::Driver(StringRef ClangExecutable, StringRef DefaultTargetTriple,
: Opts(createDriverOptTable()), Diags(Diags), VFS(std::move(VFS)),
Mode(GCCMode), SaveTemps(SaveTempsNone), BitcodeEmbed(EmbedNone),
LTOMode(LTOK_None), ClangExecutable(ClangExecutable),
- SysRoot(DEFAULT_SYSROOT), UseStdLib(true),
+ SysRoot(DEFAULT_SYSROOT),
DriverTitle("clang LLVM compiler"), CCPrintOptionsFilename(nullptr),
CCPrintHeadersFilename(nullptr), CCLogDiagnosticsFilename(nullptr),
CCCPrintBindings(false), CCPrintHeaders(false), CCLogDiagnostics(false),
@@ -119,9 +119,8 @@ Driver::Driver(StringRef ClangExecutable, StringRef DefaultTargetTriple,
void Driver::ParseDriverMode(StringRef ProgramName,
ArrayRef<const char *> Args) {
- auto Default = ToolChain::getTargetAndModeFromProgramName(ProgramName);
- StringRef DefaultMode(Default.second);
- setDriverModeFromOption(DefaultMode);
+ ClangNameParts = ToolChain::getTargetAndModeFromProgramName(ProgramName);
+ setDriverModeFromOption(ClangNameParts.DriverMode);
for (const char *ArgPtr : Args) {
// Ingore nullptrs, they are response file's EOL markers
@@ -524,7 +523,7 @@ void Driver::CreateOffloadingDeviceToolChains(Compilation &C,
auto &CudaTC = ToolChains[CudaTriple.str() + "/" + HostTriple.str()];
if (!CudaTC) {
CudaTC = llvm::make_unique<toolchains::CudaToolChain>(
- *this, CudaTriple, *HostTC, C.getInputArgs());
+ *this, CudaTriple, *HostTC, C.getInputArgs(), Action::OFK_Cuda);
}
C.addOffloadDeviceToolChain(CudaTC.get(), Action::OFK_Cuda);
}
@@ -579,10 +578,10 @@ void Driver::CreateOffloadingDeviceToolChains(Compilation &C,
C.getSingleOffloadToolChain<Action::OFK_Host>();
assert(HostTC && "Host toolchain should be always defined.");
auto &CudaTC =
- ToolChains[TT.str() + "/" + HostTC->getTriple().str()];
+ ToolChains[TT.str() + "/" + HostTC->getTriple().normalize()];
if (!CudaTC)
CudaTC = llvm::make_unique<toolchains::CudaToolChain>(
- *this, TT, *HostTC, C.getInputArgs());
+ *this, TT, *HostTC, C.getInputArgs(), Action::OFK_OpenMP);
TC = CudaTC.get();
} else
TC = &getToolChain(C.getInputArgs(), TT);
@@ -599,8 +598,6 @@ void Driver::CreateOffloadingDeviceToolChains(Compilation &C,
//
// TODO: Add support for other offloading programming models here.
//
-
- return;
}
Compilation *Driver::BuildCompilation(ArrayRef<const char *> ArgList) {
@@ -664,6 +661,7 @@ Compilation *Driver::BuildCompilation(ArrayRef<const char *> ArgList) {
T.setOS(llvm::Triple::Win32);
T.setVendor(llvm::Triple::PC);
T.setEnvironment(llvm::Triple::MSVC);
+ T.setObjectFormat(llvm::Triple::COFF);
DefaultTargetTriple = T.str();
}
if (const Arg *A = Args.getLastArg(options::OPT_target))
@@ -678,8 +676,6 @@ Compilation *Driver::BuildCompilation(ArrayRef<const char *> ArgList) {
SysRoot = A->getValue();
if (const Arg *A = Args.getLastArg(options::OPT__dyld_prefix_EQ))
DyldPrefix = A->getValue();
- if (Args.hasArg(options::OPT_nostdlib))
- UseStdLib = false;
if (const Arg *A = Args.getLastArg(options::OPT_resource_dir))
ResourceDir = A->getValue();
@@ -1126,7 +1122,8 @@ void Driver::PrintHelp(bool ShowHidden) const {
ExcludedFlagsBitmask |= HelpHidden;
getOpts().PrintHelp(llvm::outs(), Name.c_str(), DriverTitle.c_str(),
- IncludedFlagsBitmask, ExcludedFlagsBitmask);
+ IncludedFlagsBitmask, ExcludedFlagsBitmask,
+ /*ShowAllAliases=*/false);
}
void Driver::PrintVersion(const Compilation &C, raw_ostream &OS) const {
@@ -1158,6 +1155,58 @@ static void PrintDiagnosticCategories(raw_ostream &OS) {
OS << i << ',' << DiagnosticIDs::getCategoryNameFromID(i) << '\n';
}
+void Driver::handleAutocompletions(StringRef PassedFlags) const {
+ // Print out all options that start with a given argument. This is used for
+ // shell autocompletion.
+ std::vector<std::string> SuggestedCompletions;
+
+ unsigned short DisableFlags =
+ options::NoDriverOption | options::Unsupported | options::Ignored;
+ // We want to show cc1-only options only when clang is invoked as "clang
+ // -cc1". When clang is invoked as "clang -cc1", we add "#" to the beginning
+ // of an --autocomplete option so that the clang driver can distinguish
+ // whether it is requested to show cc1-only options or not.
+ if (PassedFlags.size() > 0 && PassedFlags[0] == '#') {
+ DisableFlags &= ~options::NoDriverOption;
+ PassedFlags = PassedFlags.substr(1);
+ }
+
+ if (PassedFlags.find(',') == StringRef::npos) {
+ // If the flag is in the form of "--autocomplete=-foo",
+ // we were requested to print out all option names that start with "-foo".
+ // For example, "--autocomplete=-fsyn" is expanded to "-fsyntax-only".
+ SuggestedCompletions = Opts->findByPrefix(PassedFlags, DisableFlags);
+
+ // We have to query the -W flags manually as they're not in the OptTable.
+ // TODO: Find a good way to add them to OptTable instead and them remove
+ // this code.
+ for (StringRef S : DiagnosticIDs::getDiagnosticFlags())
+ if (S.startswith(PassedFlags))
+ SuggestedCompletions.push_back(S);
+ } else {
+ // If the flag is in the form of "--autocomplete=foo,bar", we were
+ // requested to print out all option values for "-foo" that start with
+ // "bar". For example,
+ // "--autocomplete=-stdlib=,l" is expanded to "libc++" and "libstdc++".
+ StringRef Option, Arg;
+ std::tie(Option, Arg) = PassedFlags.split(',');
+ SuggestedCompletions = Opts->suggestValueCompletions(Option, Arg);
+ }
+
+ // Sort the autocomplete candidates so that shells print them out in a
+ // deterministic order. We could sort in any way, but we chose
+ // case-insensitive sorting for consistency with the -help option
+ // which prints out options in the case-insensitive alphabetical order.
+ std::sort(SuggestedCompletions.begin(), SuggestedCompletions.end(),
+ [](StringRef A, StringRef B) {
+ if (int X = A.compare_lower(B))
+ return X < 0;
+ return A.compare(B) > 0;
+ });
+
+ llvm::outs() << llvm::join(SuggestedCompletions, "\n") << '\n';
+}
+
bool Driver::HandleImmediateArgs(const Compilation &C) {
// The order these options are handled in gcc is all over the place, but we
// don't expect inconsistencies w.r.t. that to matter in practice.
@@ -1251,55 +1300,15 @@ bool Driver::HandleImmediateArgs(const Compilation &C) {
}
if (Arg *A = C.getArgs().getLastArg(options::OPT_autocomplete)) {
- // Print out all options that start with a given argument. This is used for
- // shell autocompletion.
StringRef PassedFlags = A->getValue();
- std::vector<std::string> SuggestedCompletions;
-
- unsigned short DisableFlags = options::NoDriverOption | options::Unsupported | options::Ignored;
- // We want to show cc1-only options only when clang is invoked as "clang -cc1".
- // When clang is invoked as "clang -cc1", we add "#" to the beginning of an --autocomplete
- // option so that the clang driver can distinguish whether it is requested to show cc1-only options or not.
- if (PassedFlags[0] == '#') {
- DisableFlags &= ~options::NoDriverOption;
- PassedFlags = PassedFlags.substr(1);
- }
-
- if (PassedFlags.find(',') == StringRef::npos) {
- // If the flag is in the form of "--autocomplete=-foo",
- // we were requested to print out all option names that start with "-foo".
- // For example, "--autocomplete=-fsyn" is expanded to "-fsyntax-only".
- SuggestedCompletions = Opts->findByPrefix(PassedFlags, DisableFlags);
-
- // We have to query the -W flags manually as they're not in the OptTable.
- // TODO: Find a good way to add them to OptTable instead and them remove
- // this code.
- for (StringRef S : DiagnosticIDs::getDiagnosticFlags())
- if (S.startswith(PassedFlags))
- SuggestedCompletions.push_back(S);
- } else {
- // If the flag is in the form of "--autocomplete=foo,bar", we were
- // requested to print out all option values for "-foo" that start with
- // "bar". For example,
- // "--autocomplete=-stdlib=,l" is expanded to "libc++" and "libstdc++".
- StringRef Option, Arg;
- std::tie(Option, Arg) = PassedFlags.split(',');
- SuggestedCompletions = Opts->suggestValueCompletions(Option, Arg);
- }
-
- // Sort the autocomplete candidates so that shells print them out in a
- // deterministic order. We could sort in any way, but we chose
- // case-insensitive sorting for consistency with the -help option
- // which prints out options in the case-insensitive alphabetical order.
- std::sort(SuggestedCompletions.begin(), SuggestedCompletions.end(),
- [](StringRef A, StringRef B) { return A.compare_lower(B) < 0; });
-
- llvm::outs() << llvm::join(SuggestedCompletions, "\n") << '\n';
+ handleAutocompletions(PassedFlags);
return false;
}
if (C.getArgs().hasArg(options::OPT_print_libgcc_file_name)) {
ToolChain::RuntimeLibType RLT = TC.GetRuntimeLibType(C.getArgs());
+ const llvm::Triple Triple(TC.ComputeEffectiveClangTriple(C.getArgs()));
+ RegisterEffectiveTriple TripleRAII(TC, Triple);
switch (RLT) {
case ToolChain::RLT_CompilerRT:
llvm::outs() << TC.getCompilerRT(C.getArgs(), "builtins") << "\n";
@@ -3225,6 +3234,12 @@ InputInfo Driver::BuildJobsForActionNoCache(
InputInfoList OffloadDependencesInputInfo;
bool BuildingForOffloadDevice = TargetDeviceOffloadKind != Action::OFK_None;
if (const OffloadAction *OA = dyn_cast<OffloadAction>(A)) {
+ // The 'Darwin' toolchain is initialized only when its arguments are
+ // computed. Get the default arguments for OFK_None to ensure that
+ // initialization is performed before processing the offload action.
+ // FIXME: Remove when darwin's toolchain is initialized during construction.
+ C.getArgsForToolChain(TC, BoundArch, Action::OFK_None);
+
// The offload action is expected to be used in four different situations.
//
// a) Set a toolchain/architecture/kind for a host action:
@@ -3402,7 +3417,7 @@ InputInfo Driver::BuildJobsForActionNoCache(
// Get the unique string identifier for this dependence and cache the
// result.
CachedResults[{A, GetTriplePlusArchString(
- UI.DependentToolChain, UI.DependentBoundArch,
+ UI.DependentToolChain, BoundArch,
UI.DependentOffloadKind)}] = CurI;
}
@@ -3677,7 +3692,12 @@ std::string Driver::GetFilePath(StringRef Name, const ToolChain &TC) const {
return P.str();
}
- SmallString<128> P(ResourceDir);
+ SmallString<128> R(ResourceDir);
+ llvm::sys::path::append(R, Name);
+ if (llvm::sys::fs::exists(Twine(R)))
+ return R.str();
+
+ SmallString<128> P(TC.getCompilerRTPath());
llvm::sys::path::append(P, Name);
if (llvm::sys::fs::exists(Twine(P)))
return P.str();
@@ -3810,9 +3830,6 @@ const ToolChain &Driver::getToolChain(const ArgList &Args,
case llvm::Triple::OpenBSD:
TC = llvm::make_unique<toolchains::OpenBSD>(*this, Target, Args);
break;
- case llvm::Triple::Bitrig:
- TC = llvm::make_unique<toolchains::Bitrig>(*this, Target, Args);
- break;
case llvm::Triple::NetBSD:
TC = llvm::make_unique<toolchains::NetBSD>(*this, Target, Args);
break;
@@ -3865,7 +3882,13 @@ const ToolChain &Driver::getToolChain(const ArgList &Args,
break;
case llvm::Triple::MSVC:
case llvm::Triple::UnknownEnvironment:
- TC = llvm::make_unique<toolchains::MSVCToolChain>(*this, Target, Args);
+ if (Args.getLastArgValue(options::OPT_fuse_ld_EQ)
+ .startswith_lower("bfd"))
+ TC = llvm::make_unique<toolchains::CrossWindowsToolChain>(
+ *this, Target, Args);
+ else
+ TC =
+ llvm::make_unique<toolchains::MSVCToolChain>(*this, Target, Args);
break;
}
break;