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author | orivej <orivej@yandex-team.ru> | 2022-02-10 16:45:01 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:45:01 +0300 |
commit | 2d37894b1b037cf24231090eda8589bbb44fb6fc (patch) | |
tree | be835aa92c6248212e705f25388ebafcf84bc7a1 /contrib/libs/llvm12/lib/Support/TargetRegistry.cpp | |
parent | 718c552901d703c502ccbefdfc3c9028d608b947 (diff) | |
download | ydb-2d37894b1b037cf24231090eda8589bbb44fb6fc.tar.gz |
Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/llvm12/lib/Support/TargetRegistry.cpp')
-rw-r--r-- | contrib/libs/llvm12/lib/Support/TargetRegistry.cpp | 268 |
1 files changed, 134 insertions, 134 deletions
diff --git a/contrib/libs/llvm12/lib/Support/TargetRegistry.cpp b/contrib/libs/llvm12/lib/Support/TargetRegistry.cpp index 5f8cf047e9..1f9c3bbf82 100644 --- a/contrib/libs/llvm12/lib/Support/TargetRegistry.cpp +++ b/contrib/libs/llvm12/lib/Support/TargetRegistry.cpp @@ -1,134 +1,134 @@ -//===--- TargetRegistry.cpp - Target registration -------------------------===// -// -// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. -// See https://llvm.org/LICENSE.txt for license information. -// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception -// -//===----------------------------------------------------------------------===// - -#include "llvm/Support/TargetRegistry.h" -#include "llvm/ADT/STLExtras.h" -#include "llvm/ADT/StringRef.h" -#include "llvm/Support/raw_ostream.h" -#include <cassert> -#include <vector> -using namespace llvm; - -// Clients are responsible for avoid race conditions in registration. -static Target *FirstTarget = nullptr; - -iterator_range<TargetRegistry::iterator> TargetRegistry::targets() { - return make_range(iterator(FirstTarget), iterator()); -} - -const Target *TargetRegistry::lookupTarget(const std::string &ArchName, - Triple &TheTriple, - std::string &Error) { - // Allocate target machine. First, check whether the user has explicitly - // specified an architecture to compile for. If so we have to look it up by - // name, because it might be a backend that has no mapping to a target triple. - const Target *TheTarget = nullptr; - if (!ArchName.empty()) { - auto I = find_if(targets(), - [&](const Target &T) { return ArchName == T.getName(); }); - - if (I == targets().end()) { - Error = "error: invalid target '" + ArchName + "'.\n"; - return nullptr; - } - - TheTarget = &*I; - - // Adjust the triple to match (if known), otherwise stick with the - // given triple. - Triple::ArchType Type = Triple::getArchTypeForLLVMName(ArchName); - if (Type != Triple::UnknownArch) - TheTriple.setArch(Type); - } else { - // Get the target specific parser. - std::string TempError; - TheTarget = TargetRegistry::lookupTarget(TheTriple.getTriple(), TempError); - if (!TheTarget) { - Error = ": error: unable to get target for '" - + TheTriple.getTriple() - + "', see --version and --triple.\n"; - return nullptr; - } - } - - return TheTarget; -} - -const Target *TargetRegistry::lookupTarget(const std::string &TT, - std::string &Error) { - // Provide special warning when no targets are initialized. - if (targets().begin() == targets().end()) { - Error = "Unable to find target for this triple (no targets are registered)"; - return nullptr; - } - Triple::ArchType Arch = Triple(TT).getArch(); - auto ArchMatch = [&](const Target &T) { return T.ArchMatchFn(Arch); }; - auto I = find_if(targets(), ArchMatch); - - if (I == targets().end()) { - Error = "No available targets are compatible with triple \"" + TT + "\""; - return nullptr; - } - - auto J = std::find_if(std::next(I), targets().end(), ArchMatch); - if (J != targets().end()) { - Error = std::string("Cannot choose between targets \"") + I->Name + - "\" and \"" + J->Name + "\""; - return nullptr; - } - - return &*I; -} - -void TargetRegistry::RegisterTarget(Target &T, const char *Name, - const char *ShortDesc, - const char *BackendName, - Target::ArchMatchFnTy ArchMatchFn, - bool HasJIT) { - assert(Name && ShortDesc && ArchMatchFn && - "Missing required target information!"); - - // Check if this target has already been initialized, we allow this as a - // convenience to some clients. - if (T.Name) - return; - - // Add to the list of targets. - T.Next = FirstTarget; - FirstTarget = &T; - - T.Name = Name; - T.ShortDesc = ShortDesc; - T.BackendName = BackendName; - T.ArchMatchFn = ArchMatchFn; - T.HasJIT = HasJIT; -} - -static int TargetArraySortFn(const std::pair<StringRef, const Target *> *LHS, - const std::pair<StringRef, const Target *> *RHS) { - return LHS->first.compare(RHS->first); -} - -void TargetRegistry::printRegisteredTargetsForVersion(raw_ostream &OS) { - std::vector<std::pair<StringRef, const Target*> > Targets; - size_t Width = 0; - for (const auto &T : TargetRegistry::targets()) { - Targets.push_back(std::make_pair(T.getName(), &T)); - Width = std::max(Width, Targets.back().first.size()); - } - array_pod_sort(Targets.begin(), Targets.end(), TargetArraySortFn); - - OS << " Registered Targets:\n"; - for (unsigned i = 0, e = Targets.size(); i != e; ++i) { - OS << " " << Targets[i].first; - OS.indent(Width - Targets[i].first.size()) << " - " - << Targets[i].second->getShortDescription() << '\n'; - } - if (Targets.empty()) - OS << " (none)\n"; -} +//===--- TargetRegistry.cpp - Target registration -------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#include "llvm/Support/TargetRegistry.h" +#include "llvm/ADT/STLExtras.h" +#include "llvm/ADT/StringRef.h" +#include "llvm/Support/raw_ostream.h" +#include <cassert> +#include <vector> +using namespace llvm; + +// Clients are responsible for avoid race conditions in registration. +static Target *FirstTarget = nullptr; + +iterator_range<TargetRegistry::iterator> TargetRegistry::targets() { + return make_range(iterator(FirstTarget), iterator()); +} + +const Target *TargetRegistry::lookupTarget(const std::string &ArchName, + Triple &TheTriple, + std::string &Error) { + // Allocate target machine. First, check whether the user has explicitly + // specified an architecture to compile for. If so we have to look it up by + // name, because it might be a backend that has no mapping to a target triple. + const Target *TheTarget = nullptr; + if (!ArchName.empty()) { + auto I = find_if(targets(), + [&](const Target &T) { return ArchName == T.getName(); }); + + if (I == targets().end()) { + Error = "error: invalid target '" + ArchName + "'.\n"; + return nullptr; + } + + TheTarget = &*I; + + // Adjust the triple to match (if known), otherwise stick with the + // given triple. + Triple::ArchType Type = Triple::getArchTypeForLLVMName(ArchName); + if (Type != Triple::UnknownArch) + TheTriple.setArch(Type); + } else { + // Get the target specific parser. + std::string TempError; + TheTarget = TargetRegistry::lookupTarget(TheTriple.getTriple(), TempError); + if (!TheTarget) { + Error = ": error: unable to get target for '" + + TheTriple.getTriple() + + "', see --version and --triple.\n"; + return nullptr; + } + } + + return TheTarget; +} + +const Target *TargetRegistry::lookupTarget(const std::string &TT, + std::string &Error) { + // Provide special warning when no targets are initialized. + if (targets().begin() == targets().end()) { + Error = "Unable to find target for this triple (no targets are registered)"; + return nullptr; + } + Triple::ArchType Arch = Triple(TT).getArch(); + auto ArchMatch = [&](const Target &T) { return T.ArchMatchFn(Arch); }; + auto I = find_if(targets(), ArchMatch); + + if (I == targets().end()) { + Error = "No available targets are compatible with triple \"" + TT + "\""; + return nullptr; + } + + auto J = std::find_if(std::next(I), targets().end(), ArchMatch); + if (J != targets().end()) { + Error = std::string("Cannot choose between targets \"") + I->Name + + "\" and \"" + J->Name + "\""; + return nullptr; + } + + return &*I; +} + +void TargetRegistry::RegisterTarget(Target &T, const char *Name, + const char *ShortDesc, + const char *BackendName, + Target::ArchMatchFnTy ArchMatchFn, + bool HasJIT) { + assert(Name && ShortDesc && ArchMatchFn && + "Missing required target information!"); + + // Check if this target has already been initialized, we allow this as a + // convenience to some clients. + if (T.Name) + return; + + // Add to the list of targets. + T.Next = FirstTarget; + FirstTarget = &T; + + T.Name = Name; + T.ShortDesc = ShortDesc; + T.BackendName = BackendName; + T.ArchMatchFn = ArchMatchFn; + T.HasJIT = HasJIT; +} + +static int TargetArraySortFn(const std::pair<StringRef, const Target *> *LHS, + const std::pair<StringRef, const Target *> *RHS) { + return LHS->first.compare(RHS->first); +} + +void TargetRegistry::printRegisteredTargetsForVersion(raw_ostream &OS) { + std::vector<std::pair<StringRef, const Target*> > Targets; + size_t Width = 0; + for (const auto &T : TargetRegistry::targets()) { + Targets.push_back(std::make_pair(T.getName(), &T)); + Width = std::max(Width, Targets.back().first.size()); + } + array_pod_sort(Targets.begin(), Targets.end(), TargetArraySortFn); + + OS << " Registered Targets:\n"; + for (unsigned i = 0, e = Targets.size(); i != e; ++i) { + OS << " " << Targets[i].first; + OS.indent(Width - Targets[i].first.size()) << " - " + << Targets[i].second->getShortDescription() << '\n'; + } + if (Targets.empty()) + OS << " (none)\n"; +} |