Exemplo n.º 1
0
void HeaderSearch::collectAllModules(llvm::SmallVectorImpl<Module *> &Modules) {
  Modules.clear();
  
  // Load module maps for each of the header search directories.
  for (unsigned Idx = 0, N = SearchDirs.size(); Idx != N; ++Idx) {
    if (SearchDirs[Idx].isFramework()) {
      llvm::error_code EC;
      SmallString<128> DirNative;
      llvm::sys::path::native(SearchDirs[Idx].getFrameworkDir()->getName(),
                              DirNative);
      
      // Search each of the ".framework" directories to load them as modules.
      bool IsSystem = SearchDirs[Idx].getDirCharacteristic() != SrcMgr::C_User;
      for (llvm::sys::fs::directory_iterator Dir(DirNative.str(), EC), DirEnd;
           Dir != DirEnd && !EC; Dir.increment(EC)) {
        if (llvm::sys::path::extension(Dir->path()) != ".framework")
          continue;
        
        const DirectoryEntry *FrameworkDir = FileMgr.getDirectory(Dir->path());
        if (!FrameworkDir)
          continue;
        
        // Load this framework module.
        loadFrameworkModule(llvm::sys::path::stem(Dir->path()), FrameworkDir,
                            IsSystem);
      }
      continue;
    }
    
    // FIXME: Deal with header maps.
    if (SearchDirs[Idx].isHeaderMap())
      continue;
    
    // Try to load a module map file for the search directory.
    loadModuleMapFile(SearchDirs[Idx].getDir());
    
    // Try to load module map files for immediate subdirectories of this search
    // directory.
    llvm::error_code EC;
    SmallString<128> DirNative;
    llvm::sys::path::native(SearchDirs[Idx].getDir()->getName(), DirNative);
    for (llvm::sys::fs::directory_iterator Dir(DirNative.str(), EC), DirEnd;
         Dir != DirEnd && !EC; Dir.increment(EC)) {
      loadModuleMapFile(Dir->path());
    }
  }
  
  // Populate the list of modules.
  for (ModuleMap::module_iterator M = ModMap.module_begin(), 
                               MEnd = ModMap.module_end();
       M != MEnd; ++M) {
    Modules.push_back(M->getValue());
  }
}
Exemplo n.º 2
0
static SILValue allIncomingValuesEqual(
    llvm::SmallVectorImpl<std::pair<SILBasicBlock *,
                                    SILValue >> &IncomingValues) {
  SILValue First = stripRCIdentityPreservingInsts(IncomingValues[0].second);
  if (std::all_of(std::next(IncomingValues.begin()), IncomingValues.end(),
                     [&First](std::pair<SILBasicBlock *, SILValue> P) -> bool {
                       return stripRCIdentityPreservingInsts(P.second) == First;
                     }))
    return First;
  return SILValue();
}
Exemplo n.º 3
0
void
HostThreadLinux::GetName(lldb::thread_t thread, llvm::SmallVectorImpl<char> &name)
{
    // Read /proc/$TID/comm file.
    lldb::DataBufferSP buf_sp = process_linux::ProcFileReader::ReadIntoDataBuffer(thread, "comm");
    const char *comm_str = (const char *)buf_sp->GetBytes();
    const char *cr_str = ::strchr(comm_str, '\n');
    size_t length = cr_str ? (cr_str - comm_str) : strlen(comm_str);

    name.clear();
    name.append(comm_str, comm_str + length);
}
Exemplo n.º 4
0
// This routine takes in the ARCMatchingSet \p MatchSet and inserts new
// increments, decrements at the insertion points and adds the old increment,
// decrements to the delete list. Sets changed to true if anything was moved or
// deleted.
void ARCPairingContext::optimizeMatchingSet(
    ARCMatchingSet &MatchSet, llvm::SmallVectorImpl<SILInstruction *> &NewInsts,
    llvm::SmallVectorImpl<SILInstruction *> &DeadInsts) {
  DEBUG(llvm::dbgs() << "**** Optimizing Matching Set ****\n");

  // Insert the new increments.
  for (SILInstruction *InsertPt : MatchSet.IncrementInsertPts) {
    if (!InsertPt) {
      DEBUG(llvm::dbgs() << "    No insertion point, not inserting increment "
            "into new position.\n");
      continue;
    }

    MadeChange = true;
    SILInstruction *NewIncrement = createIncrement(MatchSet.Ptr, InsertPt);
    NewInsts.push_back(NewIncrement);
    DEBUG(llvm::dbgs() << "    Inserting new increment: " << *NewIncrement
                       << "        At insertion point: " << *InsertPt);
    ++NumRefCountOpsMoved;
  }

  // Insert the new decrements.
  for (SILInstruction *InsertPt : MatchSet.DecrementInsertPts) {
    if (!InsertPt) {
      DEBUG(llvm::dbgs() << "    No insertion point, not inserting decrement "
            "into its new position.\n");
      continue;
    }

    MadeChange = true;
    SILInstruction *NewDecrement = createDecrement(MatchSet.Ptr, InsertPt);
    NewInsts.push_back(NewDecrement);
    DEBUG(llvm::dbgs() << "    Inserting new NewDecrement: " << *NewDecrement
                       << "        At insertion point: " << *InsertPt);
    ++NumRefCountOpsMoved;
  }

  // Add the old increments to the delete list.
  for (SILInstruction *Increment : MatchSet.Increments) {
    MadeChange = true;
    DEBUG(llvm::dbgs() << "    Deleting increment: " << *Increment);
    DeadInsts.push_back(Increment);
    ++NumRefCountOpsRemoved;
  }

  // Add the old decrements to the delete list.
  for (SILInstruction *Decrement : MatchSet.Decrements) {
    MadeChange = true;
    DEBUG(llvm::dbgs() << "    Deleting decrement: " << *Decrement);
    DeadInsts.push_back(Decrement);
    ++NumRefCountOpsRemoved;
  }
}
/// \brief Find the end of the word starting at the given offset
/// within a string.
///
/// \returns the index pointing one character past the end of the
/// word.
static unsigned findEndOfWord(unsigned Start,
                              const llvm::SmallVectorImpl<char> &Str,
                              unsigned Length, unsigned Column,
                              unsigned Columns) {
  assert(Start < Str.size() && "Invalid start position!");
  unsigned End = Start + 1;

  // If we are already at the end of the string, take that as the word.
  if (End == Str.size())
    return End;

  // Determine if the start of the string is actually opening
  // punctuation, e.g., a quote or parentheses.
  char EndPunct = findMatchingPunctuation(Str[Start]);
  if (!EndPunct) {
    // This is a normal word. Just find the first space character.
    while (End < Length && !isspace(Str[End]))
      ++End;
    return End;
  }

  // We have the start of a balanced punctuation sequence (quotes,
  // parentheses, etc.). Determine the full sequence is.
  llvm::SmallVector<char, 16> PunctuationEndStack;
  PunctuationEndStack.push_back(EndPunct);
  while (End < Length && !PunctuationEndStack.empty()) {
    if (Str[End] == PunctuationEndStack.back())
      PunctuationEndStack.pop_back();
    else if (char SubEndPunct = findMatchingPunctuation(Str[End]))
      PunctuationEndStack.push_back(SubEndPunct);

    ++End;
  }

  // Find the first space character after the punctuation ended.
  while (End < Length && !isspace(Str[End]))
    ++End;

  unsigned PunctWordLength = End - Start;
  if (// If the word fits on this line
      Column + PunctWordLength <= Columns ||
      // ... or the word is "short enough" to take up the next line
      // without too much ugly white space
      PunctWordLength < Columns/3)
    return End; // Take the whole thing as a single "word".

  // The whole quoted/parenthesized string is too long to print as a
  // single "word". Instead, find the "word" that starts just after
  // the punctuation and use that end-point instead. This will recurse
  // until it finds something small enough to consider a word.
  return findEndOfWord(Start + 1, Str, Length, Column + 1, Columns);
}
Exemplo n.º 6
0
void ClassTemplateDecl::getPartialSpecializations(
          llvm::SmallVectorImpl<ClassTemplatePartialSpecializationDecl *> &PS) {
  llvm::FoldingSet<ClassTemplatePartialSpecializationDecl> &PartialSpecs
    = getPartialSpecializations();
  PS.clear();
  PS.resize(PartialSpecs.size());
  for (llvm::FoldingSet<ClassTemplatePartialSpecializationDecl>::iterator
       P = PartialSpecs.begin(), PEnd = PartialSpecs.end();
       P != PEnd; ++P) {
    assert(!PS[P->getSequenceNumber()]);
    PS[P->getSequenceNumber()] = P->getMostRecentDeclaration();
  }
}
Exemplo n.º 7
0
llvm::ArrayRef<CS_Sink> EnumerateSourceSinks(
    CS_Source source, llvm::SmallVectorImpl<CS_Sink>& vec, CS_Status* status) {
  auto data = Sources::GetInstance().Get(source);
  if (!data) {
    *status = CS_INVALID_HANDLE;
    return llvm::ArrayRef<CS_Sink>{};
  }
  vec.clear();
  Sinks::GetInstance().ForEach([&](CS_Sink sinkHandle, const SinkData& data) {
    if (source == data.sourceHandle.load()) vec.push_back(sinkHandle);
  });
  return vec;
}
Exemplo n.º 8
0
// Devirtualize and specialize a group of applies, returning a
// worklist of newly exposed function references that should be
// considered for inlining before continuing with the caller that has
// the passed-in applies.
//
// The returned worklist is stacked such that the last things we want
// to process are earlier on the list.
//
// Returns true if any changes were made.
bool SILPerformanceInliner::devirtualizeAndSpecializeApplies(
                                  llvm::SmallVectorImpl<ApplySite> &Applies,
                                  SILModuleTransform *MT,
                                  ClassHierarchyAnalysis *CHA,
                               llvm::SmallVectorImpl<SILFunction *> &WorkList) {
  assert(WorkList.empty() && "Expected empty worklist for return results!");

  bool ChangedAny = false;

  // The set of all new function references generated by
  // devirtualization and specialization.
  llvm::SetVector<SILFunction *> NewRefs;

  // Process all applies passed in, plus any new ones that are pushed
  // on as a result of specializing the referenced functions.
  while (!Applies.empty()) {
    auto Apply = Applies.back();
    Applies.pop_back();

    bool ChangedApply = false;
    if (auto FullApply = FullApplySite::isa(Apply.getInstruction())) {
      if (auto NewApply = devirtualize(FullApply, CHA)) {
        ChangedApply = true;

        Apply = ApplySite(NewApply.getInstruction());
      }
    }

    llvm::SmallVector<ApplySite, 4> NewApplies;
    if (auto NewApply = specializeGeneric(Apply, NewApplies)) {
      ChangedApply = true;

      Apply = NewApply;
      Applies.insert(Applies.end(), NewApplies.begin(), NewApplies.end());
    }

    if (ChangedApply) {
      ChangedAny = true;

      auto *NewCallee = Apply.getCalleeFunction();
      assert(NewCallee && "Expected directly referenced function!");

      // Track all new references to function definitions.
      if (NewCallee->isDefinition())
        NewRefs.insert(NewCallee);


      // TODO: Do we need to invalidate everything at this point?
      // What about side-effects analysis? What about type analysis?
      MT->invalidateAnalysis(Apply.getFunction(),
                             SILAnalysis::InvalidationKind::Everything);
    }
  }

  // Copy out all the new function references gathered.
  if (ChangedAny)
    WorkList.insert(WorkList.end(), NewRefs.begin(), NewRefs.end());

  return ChangedAny;
}
Exemplo n.º 9
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void SILValueOwnershipChecker::gatherUsers(
    llvm::SmallVectorImpl<SILInstruction *> &LifetimeEndingUsers,
    llvm::SmallVectorImpl<SILInstruction *> &NonLifetimeEndingUsers) {
  for (Operand *Op : Value->getUses()) {
    auto *User = Op->getUser();
    if (OwnershipCompatibilityUseChecker(Mod, *Op).check(User)) {
      DEBUG(llvm::dbgs() << "        Lifetime Ending User: "******"        Regular User: " << *User);
      NonLifetimeEndingUsers.push_back(User);
    }
  }
}
Exemplo n.º 10
0
llvm::error_code canonicalize(const llvm::Twine &path, llvm::SmallVectorImpl<char> &result) {
    std::string p = path.str();
#ifdef PATH_MAX
    int path_max = PATH_MAX;
#else
    int path_max = pathconf(p.c_str(), _PC_PATH_MAX);
    if (path_max <= 0)
        path_max = 4096;
#endif
    result.resize(path_max);
    realpath(p.c_str(), result.data());
    result.resize(strlen(result.data()));
    return llvm::error_code::success();
}
Exemplo n.º 11
0
/// getSpelling - This method is used to get the spelling of a token into a
/// SmallVector. Note that the returned StringRef may not point to the
/// supplied buffer if a copy can be avoided.
llvm::StringRef Preprocessor::getSpelling(const Token &Tok,
                                          llvm::SmallVectorImpl<char> &Buffer,
                                          bool *Invalid) const {
  // Try the fast path.
  if (const IdentifierInfo *II = Tok.getIdentifierInfo())
    return II->getName();

  // Resize the buffer if we need to copy into it.
  if (Tok.needsCleaning())
    Buffer.resize(Tok.getLength());

  const char *Ptr = Buffer.data();
  unsigned Len = getSpelling(Tok, Ptr, Invalid);
  return llvm::StringRef(Ptr, Len);
}
Exemplo n.º 12
0
static void findNominalsAndOperators(
    llvm::MapVector<const NominalTypeDecl *, bool> &foundNominals,
    llvm::SmallVectorImpl<const FuncDecl *> &foundOperators,
    DeclRange members) {
  for (const Decl *D : members) {
    auto *VD = dyn_cast<ValueDecl>(D);
    if (!VD)
      continue;

    if (VD->hasAccessibility() &&
        VD->getFormalAccess() <= Accessibility::FilePrivate) {
      continue;
    }

    if (VD->getFullName().isOperator()) {
      foundOperators.push_back(cast<FuncDecl>(VD));
      continue;
    }

    auto nominal = dyn_cast<NominalTypeDecl>(D);
    if (!nominal)
      continue;
    foundNominals[nominal] |= true;
    findNominalsAndOperators(foundNominals, foundOperators,
                             nominal->getMembers());
  }
}
Exemplo n.º 13
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void
PMDescriptor::
descriptorsForFile(StringRef Filename,
                   llvm::SmallVectorImpl<PMDescriptor> &Descriptors) {
  namespace yaml = llvm::yaml;

  // Load the input file.
  llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>> FileBufOrErr =
    llvm::MemoryBuffer::getFileOrSTDIN(Filename);
  if (!FileBufOrErr) {
    llvm_unreachable("Failed to read yaml file");
  }

  StringRef Buffer = FileBufOrErr->get()->getBuffer();
  llvm::SourceMgr SM;
  yaml::Stream Stream(Buffer, SM);
  yaml::document_iterator DI = Stream.begin();
  assert(DI != Stream.end() && "Failed to read a document");
  yaml::Node *N = DI->getRoot();
  assert(N && "Failed to find a root");

  auto *RootList = cast<yaml::SequenceNode>(N);

  for (auto &PMDescriptorIter : make_range(RootList->begin(), RootList->end())) {
    PMDescriptor PM(cast<yaml::SequenceNode>(&PMDescriptorIter));
    Descriptors.push_back(std::move(PM));
  }
}
Exemplo n.º 14
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void 
DeclContext::collectAllContexts(llvm::SmallVectorImpl<DeclContext *> &Contexts){
  Contexts.clear();
  
  if (DeclKind != Decl::Namespace) {
    Contexts.push_back(this);
    return;
  }
  
  NamespaceDecl *Self = static_cast<NamespaceDecl *>(this);
  for (NamespaceDecl *N = Self->getMostRecentDecl(); N;
       N = N->getPreviousDecl())
    Contexts.push_back(N);
  
  std::reverse(Contexts.begin(), Contexts.end());
}
Exemplo n.º 15
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void swiftcall::legalizeVectorType(CodeGenModule &CGM, CharUnits origVectorSize,
                                   llvm::VectorType *origVectorTy,
                             llvm::SmallVectorImpl<llvm::Type*> &components) {
  // If it's already a legal vector type, use it.
  if (isLegalVectorType(CGM, origVectorSize, origVectorTy)) {
    components.push_back(origVectorTy);
    return;
  }

  // Try to split the vector into legal subvectors.
  auto numElts = origVectorTy->getNumElements();
  auto eltTy = origVectorTy->getElementType();
  assert(numElts != 1);

  // The largest size that we're still considering making subvectors of.
  // Always a power of 2.
  unsigned logCandidateNumElts = llvm::findLastSet(numElts, llvm::ZB_Undefined);
  unsigned candidateNumElts = 1U << logCandidateNumElts;
  assert(candidateNumElts <= numElts && candidateNumElts * 2 > numElts);

  // Minor optimization: don't check the legality of this exact size twice.
  if (candidateNumElts == numElts) {
    logCandidateNumElts--;
    candidateNumElts >>= 1;
  }
Exemplo n.º 16
0
// TODO: This should really be an operation on type lowering.
void SILBuilder::emitShallowDestructureValueOperation(
    SILLocation Loc, SILValue V, llvm::SmallVectorImpl<SILValue> &Results) {
  // Once destructure is allowed everywhere, remove the projection code.

  // If we do not have a tuple or a struct, add to our results list and return.
  SILType Ty = V->getType();
  if (!(Ty.is<TupleType>() || Ty.getStructOrBoundGenericStruct())) {
    Results.emplace_back(V);
    return;
  }

  // Otherwise, we want to destructure add the destructure and return.
  if (getFunction().hasQualifiedOwnership()) {
    auto *DI = emitDestructureValueOperation(Loc, V);
    copy(DI->getResults(), std::back_inserter(Results));
    return;
  }

  // In non qualified ownership SIL, drop back to using projection code.
  llvm::SmallVector<Projection, 16> Projections;
  Projection::getFirstLevelProjections(V->getType(), getModule(), Projections);
  transform(Projections, std::back_inserter(Results),
            [&](const Projection &P) -> SILValue {
              return P.createObjectProjection(*this, Loc, V).get();
            });
}
Exemplo n.º 17
0
// Since we have an RValue, we know that RValue invariants imply that all
// subvalues that are addresses must be address only types. Such address only
// types if they are +1 rvalues should be independent of any values from outside
// the +1 rvalue emission (that is if someone else has a reference to the
// address only type, we should have produced a copy). This means that it is
// safe to move the value into new memory that is guaranteed to live through the
// scope being pushed. As an additional complication due to SIL enforcing stack
// ordering, we can not use a temporary stack location since any stack locations
// that are inside the scope will be cleaned up while such a scope jumping stack
// is still alive (violating stack ordering). Instead we use an alloc_box to
// store the new value. allocbox-to-stack will then reorder/expand the stack
// lifetimes to resolve the issues.
static void lifetimeExtendAddressOnlyRValueSubValues(
    SILGenFunction &SGF, SILLocation loc,
    llvm::SmallVectorImpl<SILValue> &values,
    llvm::SmallVectorImpl<SILValue> &lifetimeExtendingBoxes) {
  for (SILValue &v : values) {
    // If v is not an address, it isn't interesting, continue.
    if (!v->getType().isAddress()) {
      continue;
    }

    // Otherwise, create the box and move the address only value into the box.
    assert(v->getType().isAddressOnly(SGF.getModule()) &&
           "RValue invariants imply that all RValue subtypes that are "
           "addresses must be address only.");
    auto boxTy = SILBoxType::get(v->getType().getSwiftRValueType());
    SILValue box = SGF.B.createAllocBox(loc, boxTy);
    SILValue addr = SGF.B.createProjectBox(loc, box, 0);
    SGF.B.createCopyAddr(loc, v, addr, IsTake, IsInitialization);

    // Then save the box so we create the box destroy in the caller and
    // overwrite v with the project box since that is where the value is now.
    lifetimeExtendingBoxes.emplace_back(box);
    v = addr;
  }
}
Exemplo n.º 18
0
// Find the relevant insertion points for the loop region R in its
// successors. Returns true if we succeeded. Returns false if any of the
// non-local successors of the region are not leaking blocks. We currently do
// not handle early exits, but do handle trapping blocks.
static bool getInsertionPtsForLoopRegionExits(
    const LoopRegion *R, LoopRegionFunctionInfo *LRFI,
    llvm::DenseMap<const LoopRegion *, ARCRegionState *> &RegionStateInfo,
    llvm::SmallVectorImpl<SILInstruction *> &InsertPts) {
  assert(R->isLoop() && "Expected a loop region that is representing a loop");

  // Go through all of our non local successors. If any of them can not be
  // ignored, we bail for simplicity. This means that for now we do not handle
  // early exits.
  if (any_of(R->getNonLocalSuccs(), [&](unsigned SuccID) -> bool {
        return !RegionStateInfo[LRFI->getRegion(SuccID)]->allowsLeaks();
      })) {
    return false;
  }

  // We assume that all of our loops have been canonicalized so that /all/ loop
  // exit blocks only have exiting blocks as predecessors. This means that all
  // successor regions of any region /cannot/ be a region representing a loop.
  for (unsigned SuccID : R->getLocalSuccs()) {
    auto *SuccRegion = LRFI->getRegion(SuccID);
    assert(SuccRegion->isBlock() && "Loop canonicalization failed?!");
    InsertPts.push_back(&*SuccRegion->getBlock()->begin());
  }

  return true;
}
Exemplo n.º 19
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ApplySite SILPerformanceInliner::specializeGeneric(
    ApplySite Apply, llvm::SmallVectorImpl<ApplySite> &NewApplies) {
  assert(NewApplies.empty() && "Expected out parameter for new applies!");

  if (!Apply.hasSubstitutions())
    return ApplySite();

  auto *Callee = Apply.getCalleeFunction();

  if (!Callee || Callee->isExternalDeclaration())
    return ApplySite();

  auto Filter = [](SILInstruction *I) -> bool {
    return ApplySite::isa(I) != ApplySite();
  };

  CloneCollector Collector(Filter);

  SILFunction *SpecializedFunction;
  auto Specialized = trySpecializeApplyOfGeneric(Apply,
                                                 SpecializedFunction,
                                                 Collector);

  if (!Specialized)
    return ApplySite();

  // Track the new applies from the specialization.
  for (auto NewCallSite : Collector.getInstructionPairs())
    NewApplies.push_back(ApplySite(NewCallSite.first));

  auto FullApply = FullApplySite::isa(Apply.getInstruction());

  if (!FullApply) {
    assert(!FullApplySite::isa(Specialized.getInstruction()) &&
           "Unexpected full apply generated!");

    // Replace the old apply with the new and delete the old.
    replaceDeadApply(Apply, Specialized.getInstruction());

    return ApplySite(Specialized);
  }

  // Replace the old apply with the new and delete the old.
  replaceDeadApply(Apply, Specialized.getInstruction());

  return Specialized;
}
Exemplo n.º 20
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void
ThisThread::GetName(llvm::SmallVectorImpl<char> &name)
{
    // Getting the thread name is not supported on Windows.
    // TODO(zturner): In SetName(), make a TLS entry that contains the thread's name, and in this function
    // try to extract that TLS entry.
    name.clear();
}
Exemplo n.º 21
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/// ParseExpressionList - Used for argument-expression-list.
///
///       argument-expression-list:
///         assignment-expression
///         argument-expression-list , assignment-expression
///
bool Parser::ParseExpressionList(llvm::SmallVectorImpl<Expr*> &Exprs,
		llvm::SmallVectorImpl<SourceLocation> &CommaLocs) {
	while (1) {
		ExprResult Var;
		ExprResult Expr(ParseAssignmentExpression(Var));

		if (Expr.isInvalid())
		  return true;

		Exprs.push_back(Expr.release());

		if (Tok.isNot(tok::Comma))
			return false;
		// Move to the next argument, remember where the comma was.
		CommaLocs.push_back(ConsumeToken());
	}
}
Exemplo n.º 22
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void 
Builtin::Context::GetBuiltinNames(llvm::SmallVectorImpl<const char *> &Names,
                                  bool NoBuiltins) {
  // Final all target-independent names
  for (unsigned i = Builtin::NotBuiltin+1; i != Builtin::FirstTSBuiltin; ++i)
    if (!BuiltinInfo[i].Suppressed &&
        (!NoBuiltins || !strchr(BuiltinInfo[i].Attributes, 'f')))
      Names.push_back(BuiltinInfo[i].Name);
  
  // Find target-specific names.
  for (unsigned i = 0, e = NumTSRecords; i != e; ++i)
    if (!TSRecords[i].Suppressed &&
        (!NoBuiltins || 
         (TSRecords[i].Attributes && 
          !strchr(TSRecords[i].Attributes, 'f'))))
      Names.push_back(TSRecords[i].Name);
}
Exemplo n.º 23
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// FIXME: Why don't we just put this list in the defs file, eh.
void types::getCompilationPhases(ID Id, llvm::SmallVectorImpl<phases::ID> &P) {
  if (Id != TY_Object) {
    if (getPreprocessedType(Id) != TY_INVALID) {
      P.push_back(phases::Preprocess);
    }

    if (onlyPrecompileType(Id)) {
      P.push_back(phases::Precompile);
    } else {
      if (!onlyAssembleType(Id)) {
        P.push_back(phases::Compile);
        P.push_back(phases::Backend);
      }
      if (Id != TY_CUDA_DEVICE)
        P.push_back(phases::Assemble);
    }
  }

  if (!onlyPrecompileType(Id) && Id != TY_CUDA_DEVICE) {
    P.push_back(phases::Link);
  }
  assert(0 < P.size() && "Not enough phases in list");
  assert(P.size() <= phases::MaxNumberOfPhases && "Too many phases in list");
  return;
}
Exemplo n.º 24
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void
NSErrorChecker::CheckSignature(const FunctionDecl& F, QualType& ResultTy,
                             llvm::SmallVectorImpl<VarDecl*>& ErrorParams) {

  ResultTy = F.getResultType();

  for (FunctionDecl::param_const_iterator I = F.param_begin(),
                                          E = F.param_end(); I != E; ++I)  {

    QualType T = (*I)->getType();

    if (isNSErrorWarning) {
      if (CheckNSErrorArgument(T)) ErrorParams.push_back(*I);
    }
    else if (CheckCFErrorArgument(T))
      ErrorParams.push_back(*I);
  }
}
Exemplo n.º 25
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static void appendCodePoint(unsigned Codepoint,
                            llvm::SmallVectorImpl<char> &Str) {
  char ResultBuf[4];
  char *ResultPtr = ResultBuf;
  bool Res = llvm::ConvertCodePointToUTF8(Codepoint, ResultPtr);
  (void)Res;
  assert(Res && "Unexpected conversion failure");
  Str.append(ResultBuf, ResultPtr);
}
Exemplo n.º 26
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/// \brief Find all references to \p ParamDecl across all of the
/// redeclarations of \p Ctor.
static void
collectParamDecls(const CXXConstructorDecl *Ctor, const ParmVarDecl *ParamDecl,
                  llvm::SmallVectorImpl<const ParmVarDecl *> &Results) {
  unsigned ParamIdx = ParamDecl->getFunctionScopeIndex();

  for (CXXConstructorDecl::redecl_iterator I = Ctor->redecls_begin(),
                                           E = Ctor->redecls_end();
       I != E; ++I)
    Results.push_back((*I)->getParamDecl(ParamIdx));
}
Exemplo n.º 27
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bool RequestDict::getUIDArray(SourceKit::UIdent Key,
                              llvm::SmallVectorImpl<sourcekitd_uid_t> &Arr,
                              bool isOptional) {
  auto Object = static_cast<SKDObject *>(Dict)->get(SKDUIDFromUIdent(Key));
  if (!Object)
    return !isOptional;
  auto Array = dyn_cast<SKDArray>(Object);
  if (!Array)
    return true;
  size_t count = Array->getCount();
  Arr.reserve(count);
  for (size_t i = 0; i != count; ++i) {
    auto UID = Array->get(i)->getUID();
    if (!UID)
      return true;
    Arr.push_back(UID);
  }
  return false;
}
Exemplo n.º 28
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void FileManager::GetUniqueIDMapping(
                   llvm::SmallVectorImpl<const FileEntry *> &UIDToFiles) const {
  UIDToFiles.clear();
  UIDToFiles.resize(NextFileUID);
  
  // Map file entries
  for (llvm::StringMap<FileEntry*, llvm::BumpPtrAllocator>::const_iterator
         FE = FileEntries.begin(), FEEnd = FileEntries.end();
       FE != FEEnd; ++FE)
    if (FE->getValue() && FE->getValue() != NON_EXISTENT_FILE)
      UIDToFiles[FE->getValue()->getUID()] = FE->getValue();
  
  // Map virtual file entries
  for (llvm::SmallVector<FileEntry*, 4>::const_iterator 
         VFE = VirtualFileEntries.begin(), VFEEnd = VirtualFileEntries.end();
       VFE != VFEEnd; ++VFE)
    if (*VFE && *VFE != NON_EXISTENT_FILE)
      UIDToFiles[(*VFE)->getUID()] = *VFE;
}
Exemplo n.º 29
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static unsigned
rewritePromotedBoxes(llvm::SmallVectorImpl<AllocBoxInst *> &Promoted,
                     llvm::SmallVectorImpl<Operand *> &PromotedOperands,
                     bool &CFGChanged) {
  // First we'll rewrite any partial applies that we can to remove the
  // box container pointer from the operands.
  rewritePartialApplies(PromotedOperands, CFGChanged);

  unsigned Count = 0;
  auto rend = Promoted.rend();
  for (auto I = Promoted.rbegin(); I != rend; ++I) {
    auto *ABI = *I;
    if (rewriteAllocBoxAsAllocStack(ABI)) {
      ++Count;
      ABI->eraseFromParent();
    }
  }
  return Count;
}
Exemplo n.º 30
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bool RequestDict::getStringArray(SourceKit::UIdent Key,
                                 llvm::SmallVectorImpl<const char *> &Arr,
                                 bool isOptional) {
  auto Object = static_cast<SKDObject *>(Dict)->get(SKDUIDFromUIdent(Key));
  if (!Object)
    return !isOptional;
  auto Array = dyn_cast<SKDArray>(Object);
  if (!Array)
    return true;
  size_t count = Array->getCount();
  Arr.reserve(count);
  for (size_t i = 0; i != count; ++i) {
    auto Str = Array->get(i)->getCString();
    if (!Str)
      return true;
    Arr.push_back(Str);
  }
  return false;
}