Remove LLVM 8.0.1 files.

1 files changed, 0 insertions, 370 deletions

diff --git a/gnu/llvm/tools/clang/lib/Sema/SemaStmtAttr.cpp b/gnu/llvm/tools/clang/lib/Sema/SemaStmtAttr.cpp
deleted file mode 100644
index a8e54b36b29..00000000000
--- a/gnu/llvm/tools/clang/lib/Sema/SemaStmtAttr.cpp
+++ /dev/null
@@ -1,370 +0,0 @@
-//===--- SemaStmtAttr.cpp - Statement Attribute Handling ------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-//  This file implements stmt-related attribute processing.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/Sema/SemaInternal.h"
-#include "clang/AST/ASTContext.h"
-#include "clang/Basic/SourceManager.h"
-#include "clang/Sema/DelayedDiagnostic.h"
-#include "clang/Sema/Lookup.h"
-#include "clang/Sema/ScopeInfo.h"
-#include "llvm/ADT/StringExtras.h"
-
-using namespace clang;
-using namespace sema;
-
-static Attr *handleFallThroughAttr(Sema &S, Stmt *St, const ParsedAttr &A,
-                                   SourceRange Range) {
-  FallThroughAttr Attr(A.getRange(), S.Context,
-                       A.getAttributeSpellingListIndex());
-  if (!isa<NullStmt>(St)) {
-    S.Diag(A.getRange().getBegin(), diag::err_fallthrough_attr_wrong_target)
-        << Attr.getSpelling() << St->getBeginLoc();
-    if (isa<SwitchCase>(St)) {
-      SourceLocation L = S.getLocForEndOfToken(Range.getEnd());
-      S.Diag(L, diag::note_fallthrough_insert_semi_fixit)
-          << FixItHint::CreateInsertion(L, ";");
-    }
-    return nullptr;
-  }
-  auto *FnScope = S.getCurFunction();
-  if (FnScope->SwitchStack.empty()) {
-    S.Diag(A.getRange().getBegin(), diag::err_fallthrough_attr_outside_switch);
-    return nullptr;
-  }
-
-  // If this is spelled as the standard C++17 attribute, but not in C++17, warn
-  // about using it as an extension.
-  if (!S.getLangOpts().CPlusPlus17 && A.isCXX11Attribute() &&
-      !A.getScopeName())
-    S.Diag(A.getLoc(), diag::ext_cxx17_attr) << A.getName();
-
-  FnScope->setHasFallthroughStmt();
-  return ::new (S.Context) auto(Attr);
-}
-
-static Attr *handleSuppressAttr(Sema &S, Stmt *St, const ParsedAttr &A,
-                                SourceRange Range) {
-  if (A.getNumArgs() < 1) {
-    S.Diag(A.getLoc(), diag::err_attribute_too_few_arguments) << A << 1;
-    return nullptr;
-  }
-
-  std::vector<StringRef> DiagnosticIdentifiers;
-  for (unsigned I = 0, E = A.getNumArgs(); I != E; ++I) {
-    StringRef RuleName;
-
-    if (!S.checkStringLiteralArgumentAttr(A, I, RuleName, nullptr))
-      return nullptr;
-
-    // FIXME: Warn if the rule name is unknown. This is tricky because only
-    // clang-tidy knows about available rules.
-    DiagnosticIdentifiers.push_back(RuleName);
-  }
-
-  return ::new (S.Context) SuppressAttr(
-      A.getRange(), S.Context, DiagnosticIdentifiers.data(),
-      DiagnosticIdentifiers.size(), A.getAttributeSpellingListIndex());
-}
-
-static Attr *handleLoopHintAttr(Sema &S, Stmt *St, const ParsedAttr &A,
-                                SourceRange) {
-  IdentifierLoc *PragmaNameLoc = A.getArgAsIdent(0);
-  IdentifierLoc *OptionLoc = A.getArgAsIdent(1);
-  IdentifierLoc *StateLoc = A.getArgAsIdent(2);
-  Expr *ValueExpr = A.getArgAsExpr(3);
-
-  bool PragmaUnroll = PragmaNameLoc->Ident->getName() == "unroll";
-  bool PragmaNoUnroll = PragmaNameLoc->Ident->getName() == "nounroll";
-  bool PragmaUnrollAndJam = PragmaNameLoc->Ident->getName() == "unroll_and_jam";
-  bool PragmaNoUnrollAndJam =
-      PragmaNameLoc->Ident->getName() == "nounroll_and_jam";
-  if (St->getStmtClass() != Stmt::DoStmtClass &&
-      St->getStmtClass() != Stmt::ForStmtClass &&
-      St->getStmtClass() != Stmt::CXXForRangeStmtClass &&
-      St->getStmtClass() != Stmt::WhileStmtClass) {
-    const char *Pragma =
-        llvm::StringSwitch<const char *>(PragmaNameLoc->Ident->getName())
-            .Case("unroll", "#pragma unroll")
-            .Case("nounroll", "#pragma nounroll")
-            .Case("unroll_and_jam", "#pragma unroll_and_jam")
-            .Case("nounroll_and_jam", "#pragma nounroll_and_jam")
-            .Default("#pragma clang loop");
-    S.Diag(St->getBeginLoc(), diag::err_pragma_loop_precedes_nonloop) << Pragma;
-    return nullptr;
-  }
-
-  LoopHintAttr::Spelling Spelling =
-      LoopHintAttr::Spelling(A.getAttributeSpellingListIndex());
-  LoopHintAttr::OptionType Option;
-  LoopHintAttr::LoopHintState State;
-  if (PragmaNoUnroll) {
-    // #pragma nounroll
-    Option = LoopHintAttr::Unroll;
-    State = LoopHintAttr::Disable;
-  } else if (PragmaUnroll) {
-    if (ValueExpr) {
-      // #pragma unroll N
-      Option = LoopHintAttr::UnrollCount;
-      State = LoopHintAttr::Numeric;
-    } else {
-      // #pragma unroll
-      Option = LoopHintAttr::Unroll;
-      State = LoopHintAttr::Enable;
-    }
-  } else if (PragmaNoUnrollAndJam) {
-    // #pragma nounroll_and_jam
-    Option = LoopHintAttr::UnrollAndJam;
-    State = LoopHintAttr::Disable;
-  } else if (PragmaUnrollAndJam) {
-    if (ValueExpr) {
-      // #pragma unroll_and_jam N
-      Option = LoopHintAttr::UnrollAndJamCount;
-      State = LoopHintAttr::Numeric;
-    } else {
-      // #pragma unroll_and_jam
-      Option = LoopHintAttr::UnrollAndJam;
-      State = LoopHintAttr::Enable;
-    }
-  } else {
-    // #pragma clang loop ...
-    assert(OptionLoc && OptionLoc->Ident &&
-           "Attribute must have valid option info.");
-    Option = llvm::StringSwitch<LoopHintAttr::OptionType>(
-                 OptionLoc->Ident->getName())
-                 .Case("vectorize", LoopHintAttr::Vectorize)
-                 .Case("vectorize_width", LoopHintAttr::VectorizeWidth)
-                 .Case("interleave", LoopHintAttr::Interleave)
-                 .Case("interleave_count", LoopHintAttr::InterleaveCount)
-                 .Case("unroll", LoopHintAttr::Unroll)
-                 .Case("unroll_count", LoopHintAttr::UnrollCount)
-                 .Case("pipeline", LoopHintAttr::PipelineDisabled)
-                 .Case("pipeline_initiation_interval",
-                       LoopHintAttr::PipelineInitiationInterval)
-                 .Case("distribute", LoopHintAttr::Distribute)
-                 .Default(LoopHintAttr::Vectorize);
-    if (Option == LoopHintAttr::VectorizeWidth ||
-        Option == LoopHintAttr::InterleaveCount ||
-        Option == LoopHintAttr::UnrollCount ||
-        Option == LoopHintAttr::PipelineInitiationInterval) {
-      assert(ValueExpr && "Attribute must have a valid value expression.");
-      if (S.CheckLoopHintExpr(ValueExpr, St->getBeginLoc()))
-        return nullptr;
-      State = LoopHintAttr::Numeric;
-    } else if (Option == LoopHintAttr::Vectorize ||
-               Option == LoopHintAttr::Interleave ||
-               Option == LoopHintAttr::Unroll ||
-               Option == LoopHintAttr::Distribute ||
-               Option == LoopHintAttr::PipelineDisabled) {
-      assert(StateLoc && StateLoc->Ident && "Loop hint must have an argument");
-      if (StateLoc->Ident->isStr("disable"))
-        State = LoopHintAttr::Disable;
-      else if (StateLoc->Ident->isStr("assume_safety"))
-        State = LoopHintAttr::AssumeSafety;
-      else if (StateLoc->Ident->isStr("full"))
-        State = LoopHintAttr::Full;
-      else if (StateLoc->Ident->isStr("enable"))
-        State = LoopHintAttr::Enable;
-      else
-        llvm_unreachable("bad loop hint argument");
-    } else
-      llvm_unreachable("bad loop hint");
-  }
-
-  return LoopHintAttr::CreateImplicit(S.Context, Spelling, Option, State,
-                                      ValueExpr, A.getRange());
-}
-
-static void
-CheckForIncompatibleAttributes(Sema &S,
-                               const SmallVectorImpl<const Attr *> &Attrs) {
-  // There are 6 categories of loop hints attributes: vectorize, interleave,
-  // unroll, unroll_and_jam, pipeline and distribute. Except for distribute they
-  // come in two variants: a state form and a numeric form.  The state form
-  // selectively defaults/enables/disables the transformation for the loop
-  // (for unroll, default indicates full unrolling rather than enabling the
-  // transformation). The numeric form form provides an integer hint (for
-  // example, unroll count) to the transformer. The following array accumulates
-  // the hints encountered while iterating through the attributes to check for
-  // compatibility.
-  struct {
-    const LoopHintAttr *StateAttr;
-    const LoopHintAttr *NumericAttr;
-  } HintAttrs[] = {{nullptr, nullptr}, {nullptr, nullptr}, {nullptr, nullptr},
-                   {nullptr, nullptr}, {nullptr, nullptr}, {nullptr, nullptr}};
-
-  for (const auto *I : Attrs) {
-    const LoopHintAttr *LH = dyn_cast<LoopHintAttr>(I);
-
-    // Skip non loop hint attributes
-    if (!LH)
-      continue;
-
-    LoopHintAttr::OptionType Option = LH->getOption();
-    enum {
-      Vectorize,
-      Interleave,
-      Unroll,
-      UnrollAndJam,
-      Distribute,
-      Pipeline
-    } Category;
-    switch (Option) {
-    case LoopHintAttr::Vectorize:
-    case LoopHintAttr::VectorizeWidth:
-      Category = Vectorize;
-      break;
-    case LoopHintAttr::Interleave:
-    case LoopHintAttr::InterleaveCount:
-      Category = Interleave;
-      break;
-    case LoopHintAttr::Unroll:
-    case LoopHintAttr::UnrollCount:
-      Category = Unroll;
-      break;
-    case LoopHintAttr::UnrollAndJam:
-    case LoopHintAttr::UnrollAndJamCount:
-      Category = UnrollAndJam;
-      break;
-    case LoopHintAttr::Distribute:
-      // Perform the check for duplicated 'distribute' hints.
-      Category = Distribute;
-      break;
-    case LoopHintAttr::PipelineDisabled:
-    case LoopHintAttr::PipelineInitiationInterval:
-      Category = Pipeline;
-      break;
-    };
-
-    assert(Category < sizeof(HintAttrs) / sizeof(HintAttrs[0]));
-    auto &CategoryState = HintAttrs[Category];
-    const LoopHintAttr *PrevAttr;
-    if (Option == LoopHintAttr::Vectorize ||
-        Option == LoopHintAttr::Interleave || Option == LoopHintAttr::Unroll ||
-        Option == LoopHintAttr::UnrollAndJam ||
-        Option == LoopHintAttr::PipelineDisabled ||
-        Option == LoopHintAttr::Distribute) {
-      // Enable|Disable|AssumeSafety hint.  For example, vectorize(enable).
-      PrevAttr = CategoryState.StateAttr;
-      CategoryState.StateAttr = LH;
-    } else {
-      // Numeric hint.  For example, vectorize_width(8).
-      PrevAttr = CategoryState.NumericAttr;
-      CategoryState.NumericAttr = LH;
-    }
-
-    PrintingPolicy Policy(S.Context.getLangOpts());
-    SourceLocation OptionLoc = LH->getRange().getBegin();
-    if (PrevAttr)
-      // Cannot specify same type of attribute twice.
-      S.Diag(OptionLoc, diag::err_pragma_loop_compatibility)
-          << /*Duplicate=*/true << PrevAttr->getDiagnosticName(Policy)
-          << LH->getDiagnosticName(Policy);
-
-    if (CategoryState.StateAttr && CategoryState.NumericAttr &&
-        (Category == Unroll || Category == UnrollAndJam ||
-         CategoryState.StateAttr->getState() == LoopHintAttr::Disable)) {
-      // Disable hints are not compatible with numeric hints of the same
-      // category.  As a special case, numeric unroll hints are also not
-      // compatible with enable or full form of the unroll pragma because these
-      // directives indicate full unrolling.
-      S.Diag(OptionLoc, diag::err_pragma_loop_compatibility)
-          << /*Duplicate=*/false
-          << CategoryState.StateAttr->getDiagnosticName(Policy)
-          << CategoryState.NumericAttr->getDiagnosticName(Policy);
-    }
-  }
-}
-
-static Attr *handleOpenCLUnrollHint(Sema &S, Stmt *St, const ParsedAttr &A,
-                                    SourceRange Range) {
-  // Although the feature was introduced only in OpenCL C v2.0 s6.11.5, it's
-  // useful for OpenCL 1.x too and doesn't require HW support.
-  // opencl_unroll_hint can have 0 arguments (compiler
-  // determines unrolling factor) or 1 argument (the unroll factor provided
-  // by the user).
-
-  unsigned NumArgs = A.getNumArgs();
-
-  if (NumArgs > 1) {
-    S.Diag(A.getLoc(), diag::err_attribute_too_many_arguments) << A << 1;
-    return nullptr;
-  }
-
-  unsigned UnrollFactor = 0;
-
-  if (NumArgs == 1) {
-    Expr *E = A.getArgAsExpr(0);
-    llvm::APSInt ArgVal(32);
-
-    if (!E->isIntegerConstantExpr(ArgVal, S.Context)) {
-      S.Diag(A.getLoc(), diag::err_attribute_argument_type)
-          << A << AANT_ArgumentIntegerConstant << E->getSourceRange();
-      return nullptr;
-    }
-
-    int Val = ArgVal.getSExtValue();
-
-    if (Val <= 0) {
-      S.Diag(A.getRange().getBegin(),
-             diag::err_attribute_requires_positive_integer)
-          << A << /* positive */ 0;
-      return nullptr;
-    }
-    UnrollFactor = Val;
-  }
-
-  return OpenCLUnrollHintAttr::CreateImplicit(S.Context, UnrollFactor);
-}
-
-static Attr *ProcessStmtAttribute(Sema &S, Stmt *St, const ParsedAttr &A,
-                                  SourceRange Range) {
-  switch (A.getKind()) {
-  case ParsedAttr::UnknownAttribute:
-    S.Diag(A.getLoc(), A.isDeclspecAttribute()
-                           ? (unsigned)diag::warn_unhandled_ms_attribute_ignored
-                           : (unsigned)diag::warn_unknown_attribute_ignored)
-        << A.getName();
-    return nullptr;
-  case ParsedAttr::AT_FallThrough:
-    return handleFallThroughAttr(S, St, A, Range);
-  case ParsedAttr::AT_LoopHint:
-    return handleLoopHintAttr(S, St, A, Range);
-  case ParsedAttr::AT_OpenCLUnrollHint:
-    return handleOpenCLUnrollHint(S, St, A, Range);
-  case ParsedAttr::AT_Suppress:
-    return handleSuppressAttr(S, St, A, Range);
-  default:
-    // if we're here, then we parsed a known attribute, but didn't recognize
-    // it as a statement attribute => it is declaration attribute
-    S.Diag(A.getRange().getBegin(), diag::err_decl_attribute_invalid_on_stmt)
-        << A.getName() << St->getBeginLoc();
-    return nullptr;
-  }
-}
-
-StmtResult Sema::ProcessStmtAttributes(Stmt *S,
-                                       const ParsedAttributesView &AttrList,
-                                       SourceRange Range) {
-  SmallVector<const Attr*, 8> Attrs;
-  for (const ParsedAttr &AL : AttrList) {
-    if (Attr *a = ProcessStmtAttribute(*this, S, AL, Range))
-      Attrs.push_back(a);
-  }
-
-  CheckForIncompatibleAttributes(*this, Attrs);
-
-  if (Attrs.empty())
-    return S;
-
-  return ActOnAttributedStmt(Range.getBegin(), Attrs, S);
-}