[clang] 69fc33f - Revert "[OpenMP] Implement TR8 `present` motion modifier in Clang (1/2)"

Joel E. Denny via cfe-commits cfe-commits at lists.llvm.org
Tue Jul 28 17:30:27 PDT 2020


Author: Joel E. Denny
Date: 2020-07-28T20:30:05-04:00
New Revision: 69fc33f0cd130b02a38d2fc582afc7b0fcd6458a

URL: https://github.com/llvm/llvm-project/commit/69fc33f0cd130b02a38d2fc582afc7b0fcd6458a
DIFF: https://github.com/llvm/llvm-project/commit/69fc33f0cd130b02a38d2fc582afc7b0fcd6458a.diff

LOG: Revert "[OpenMP] Implement TR8 `present` motion modifier in Clang (1/2)"

This reverts commit 3c3faae497046be706df29e16c9fbccb7e1fce09.

It breaks a number of bots.

Added: 
    

Modified: 
    clang/include/clang/AST/OpenMPClause.h
    clang/include/clang/Basic/DiagnosticSemaKinds.td
    clang/include/clang/Basic/OpenMPKinds.def
    clang/include/clang/Basic/OpenMPKinds.h
    clang/include/clang/Parse/Parser.h
    clang/include/clang/Sema/Sema.h
    clang/lib/AST/OpenMPClause.cpp
    clang/lib/Basic/OpenMPKinds.cpp
    clang/lib/CodeGen/CGOpenMPRuntime.cpp
    clang/lib/Parse/ParseOpenMP.cpp
    clang/lib/Sema/SemaOpenMP.cpp
    clang/lib/Sema/TreeTransform.h
    clang/lib/Serialization/ASTReader.cpp
    clang/lib/Serialization/ASTWriter.cpp
    clang/test/OpenMP/declare_mapper_ast_print.c
    clang/test/OpenMP/declare_mapper_codegen.cpp
    clang/test/OpenMP/target_update_ast_print.cpp
    clang/test/OpenMP/target_update_codegen.cpp
    clang/test/OpenMP/target_update_messages.cpp

Removed: 
    


################################################################################
diff  --git a/clang/include/clang/AST/OpenMPClause.h b/clang/include/clang/AST/OpenMPClause.h
index 46c26c6c77de..c649502f765b 100644
--- a/clang/include/clang/AST/OpenMPClause.h
+++ b/clang/include/clang/AST/OpenMPClause.h
@@ -6329,20 +6329,8 @@ class OMPToClause final : public OMPMappableExprListClause<OMPToClause>,
   friend OMPVarListClause;
   friend TrailingObjects;
 
-  /// Motion-modifiers for the 'to' clause.
-  OpenMPMotionModifierKind MotionModifiers[NumberOfOMPMotionModifiers] = {
-      OMPC_MOTION_MODIFIER_unknown, OMPC_MOTION_MODIFIER_unknown};
-
-  /// Location of motion-modifiers for the 'to' clause.
-  SourceLocation MotionModifiersLoc[NumberOfOMPMotionModifiers];
-
-  /// Colon location.
-  SourceLocation ColonLoc;
-
   /// Build clause with number of variables \a NumVars.
   ///
-  /// \param TheMotionModifiers Motion-modifiers.
-  /// \param TheMotionModifiersLoc Locations of motion-modifiers.
   /// \param MapperQualifierLoc C++ nested name specifier for the associated
   /// user-defined mapper.
   /// \param MapperIdInfo The identifier of associated user-defined mapper.
@@ -6354,24 +6342,13 @@ class OMPToClause final : public OMPMappableExprListClause<OMPToClause>,
   /// NumUniqueDeclarations: number of unique base declarations in this clause;
   /// 3) NumComponentLists: number of component lists in this clause; and 4)
   /// NumComponents: total number of expression components in the clause.
-  explicit OMPToClause(ArrayRef<OpenMPMotionModifierKind> TheMotionModifiers,
-                       ArrayRef<SourceLocation> TheMotionModifiersLoc,
-                       NestedNameSpecifierLoc MapperQualifierLoc,
+  explicit OMPToClause(NestedNameSpecifierLoc MapperQualifierLoc,
                        DeclarationNameInfo MapperIdInfo,
                        const OMPVarListLocTy &Locs,
                        const OMPMappableExprListSizeTy &Sizes)
       : OMPMappableExprListClause(llvm::omp::OMPC_to, Locs, Sizes,
                                   /*SupportsMapper=*/true, &MapperQualifierLoc,
-                                  &MapperIdInfo) {
-    assert(llvm::array_lengthof(MotionModifiers) == TheMotionModifiers.size() &&
-           "Unexpected number of motion modifiers.");
-    llvm::copy(TheMotionModifiers, std::begin(MotionModifiers));
-
-    assert(llvm::array_lengthof(MotionModifiersLoc) ==
-               TheMotionModifiersLoc.size() &&
-           "Unexpected number of motion modifier locations.");
-    llvm::copy(TheMotionModifiersLoc, std::begin(MotionModifiersLoc));
-  }
+                                  &MapperIdInfo) {}
 
   /// Build an empty clause.
   ///
@@ -6384,29 +6361,6 @@ class OMPToClause final : public OMPMappableExprListClause<OMPToClause>,
       : OMPMappableExprListClause(llvm::omp::OMPC_to, OMPVarListLocTy(), Sizes,
                                   /*SupportsMapper=*/true) {}
 
-  /// Set motion-modifier for the clause.
-  ///
-  /// \param I index for motion-modifier.
-  /// \param T motion-modifier for the clause.
-  void setMotionModifier(unsigned I, OpenMPMotionModifierKind T) {
-    assert(I < NumberOfOMPMotionModifiers &&
-           "Unexpected index to store motion modifier, exceeds array size.");
-    MotionModifiers[I] = T;
-  }
-
-  /// Set location for the motion-modifier.
-  ///
-  /// \param I index for motion-modifier location.
-  /// \param TLoc motion-modifier location.
-  void setMotionModifierLoc(unsigned I, SourceLocation TLoc) {
-    assert(I < NumberOfOMPMotionModifiers &&
-           "Index to store motion modifier location exceeds array size.");
-    MotionModifiersLoc[I] = TLoc;
-  }
-
-  /// Set colon location.
-  void setColonLoc(SourceLocation Loc) { ColonLoc = Loc; }
-
   /// Define the sizes of each trailing object array except the last one. This
   /// is required for TrailingObjects to work properly.
   size_t numTrailingObjects(OverloadToken<Expr *>) const {
@@ -6431,8 +6385,6 @@ class OMPToClause final : public OMPMappableExprListClause<OMPToClause>,
   /// \param Vars The original expression used in the clause.
   /// \param Declarations Declarations used in the clause.
   /// \param ComponentLists Component lists used in the clause.
-  /// \param MotionModifiers Motion-modifiers.
-  /// \param MotionModifiersLoc Location of motion-modifiers.
   /// \param UDMapperRefs References to user-defined mappers associated with
   /// expressions used in the clause.
   /// \param UDMQualifierLoc C++ nested name specifier for the associated
@@ -6443,8 +6395,6 @@ class OMPToClause final : public OMPMappableExprListClause<OMPToClause>,
                              ArrayRef<ValueDecl *> Declarations,
                              MappableExprComponentListsRef ComponentLists,
                              ArrayRef<Expr *> UDMapperRefs,
-                             ArrayRef<OpenMPMotionModifierKind> MotionModifiers,
-                             ArrayRef<SourceLocation> MotionModifiersLoc,
                              NestedNameSpecifierLoc UDMQualifierLoc,
                              DeclarationNameInfo MapperId);
 
@@ -6459,38 +6409,6 @@ class OMPToClause final : public OMPMappableExprListClause<OMPToClause>,
   static OMPToClause *CreateEmpty(const ASTContext &C,
                                   const OMPMappableExprListSizeTy &Sizes);
 
-  /// Fetches the motion-modifier at 'Cnt' index of array of modifiers.
-  ///
-  /// \param Cnt index for motion-modifier.
-  OpenMPMotionModifierKind getMotionModifier(unsigned Cnt) const LLVM_READONLY {
-    assert(Cnt < NumberOfOMPMotionModifiers &&
-           "Requested modifier exceeds the total number of modifiers.");
-    return MotionModifiers[Cnt];
-  }
-
-  /// Fetches the motion-modifier location at 'Cnt' index of array of modifiers'
-  /// locations.
-  ///
-  /// \param Cnt index for motion-modifier location.
-  SourceLocation getMotionModifierLoc(unsigned Cnt) const LLVM_READONLY {
-    assert(Cnt < NumberOfOMPMotionModifiers &&
-           "Requested modifier location exceeds total number of modifiers.");
-    return MotionModifiersLoc[Cnt];
-  }
-
-  /// Fetches ArrayRef of motion-modifiers.
-  ArrayRef<OpenMPMotionModifierKind> getMotionModifiers() const LLVM_READONLY {
-    return llvm::makeArrayRef(MotionModifiers);
-  }
-
-  /// Fetches ArrayRef of location of motion-modifiers.
-  ArrayRef<SourceLocation> getMotionModifiersLoc() const LLVM_READONLY {
-    return llvm::makeArrayRef(MotionModifiersLoc);
-  }
-
-  /// Get colon location.
-  SourceLocation getColonLoc() const { return ColonLoc; }
-
   child_range children() {
     return child_range(reinterpret_cast<Stmt **>(varlist_begin()),
                        reinterpret_cast<Stmt **>(varlist_end()));
@@ -6531,20 +6449,8 @@ class OMPFromClause final
   friend OMPVarListClause;
   friend TrailingObjects;
 
-  /// Motion-modifiers for the 'from' clause.
-  OpenMPMotionModifierKind MotionModifiers[NumberOfOMPMotionModifiers] = {
-      OMPC_MOTION_MODIFIER_unknown, OMPC_MOTION_MODIFIER_unknown};
-
-  /// Location of motion-modifiers for the 'from' clause.
-  SourceLocation MotionModifiersLoc[NumberOfOMPMotionModifiers];
-
-  /// Colon location.
-  SourceLocation ColonLoc;
-
   /// Build clause with number of variables \a NumVars.
   ///
-  /// \param TheMotionModifiers Motion-modifiers.
-  /// \param TheMotionModifiersLoc Locations of motion-modifiers.
   /// \param MapperQualifierLoc C++ nested name specifier for the associated
   /// user-defined mapper.
   /// \param MapperIdInfo The identifier of associated user-defined mapper.
@@ -6556,24 +6462,13 @@ class OMPFromClause final
   /// NumUniqueDeclarations: number of unique base declarations in this clause;
   /// 3) NumComponentLists: number of component lists in this clause; and 4)
   /// NumComponents: total number of expression components in the clause.
-  explicit OMPFromClause(ArrayRef<OpenMPMotionModifierKind> TheMotionModifiers,
-                         ArrayRef<SourceLocation> TheMotionModifiersLoc,
-                         NestedNameSpecifierLoc MapperQualifierLoc,
+  explicit OMPFromClause(NestedNameSpecifierLoc MapperQualifierLoc,
                          DeclarationNameInfo MapperIdInfo,
                          const OMPVarListLocTy &Locs,
                          const OMPMappableExprListSizeTy &Sizes)
       : OMPMappableExprListClause(llvm::omp::OMPC_from, Locs, Sizes,
                                   /*SupportsMapper=*/true, &MapperQualifierLoc,
-                                  &MapperIdInfo) {
-    assert(llvm::array_lengthof(MotionModifiers) == TheMotionModifiers.size() &&
-           "Unexpected number of motion modifiers.");
-    llvm::copy(TheMotionModifiers, std::begin(MotionModifiers));
-
-    assert(llvm::array_lengthof(MotionModifiersLoc) ==
-               TheMotionModifiersLoc.size() &&
-           "Unexpected number of motion modifier locations.");
-    llvm::copy(TheMotionModifiersLoc, std::begin(MotionModifiersLoc));
-  }
+                                  &MapperIdInfo) {}
 
   /// Build an empty clause.
   ///
@@ -6586,29 +6481,6 @@ class OMPFromClause final
       : OMPMappableExprListClause(llvm::omp::OMPC_from, OMPVarListLocTy(),
                                   Sizes, /*SupportsMapper=*/true) {}
 
-  /// Set motion-modifier for the clause.
-  ///
-  /// \param I index for motion-modifier.
-  /// \param T motion-modifier for the clause.
-  void setMotionModifier(unsigned I, OpenMPMotionModifierKind T) {
-    assert(I < NumberOfOMPMotionModifiers &&
-           "Unexpected index to store motion modifier, exceeds array size.");
-    MotionModifiers[I] = T;
-  }
-
-  /// Set location for the motion-modifier.
-  ///
-  /// \param I index for motion-modifier location.
-  /// \param TLoc motion-modifier location.
-  void setMotionModifierLoc(unsigned I, SourceLocation TLoc) {
-    assert(I < NumberOfOMPMotionModifiers &&
-           "Index to store motion modifier location exceeds array size.");
-    MotionModifiersLoc[I] = TLoc;
-  }
-
-  /// Set colon location.
-  void setColonLoc(SourceLocation Loc) { ColonLoc = Loc; }
-
   /// Define the sizes of each trailing object array except the last one. This
   /// is required for TrailingObjects to work properly.
   size_t numTrailingObjects(OverloadToken<Expr *>) const {
@@ -6633,21 +6505,18 @@ class OMPFromClause final
   /// \param Vars The original expression used in the clause.
   /// \param Declarations Declarations used in the clause.
   /// \param ComponentLists Component lists used in the clause.
-  /// \param MotionModifiers Motion-modifiers.
-  /// \param MotionModifiersLoc Location of motion-modifiers.
   /// \param UDMapperRefs References to user-defined mappers associated with
   /// expressions used in the clause.
   /// \param UDMQualifierLoc C++ nested name specifier for the associated
   /// user-defined mapper.
   /// \param MapperId The identifier of associated user-defined mapper.
-  static OMPFromClause *
-  Create(const ASTContext &C, const OMPVarListLocTy &Locs,
-         ArrayRef<Expr *> Vars, ArrayRef<ValueDecl *> Declarations,
-         MappableExprComponentListsRef ComponentLists,
-         ArrayRef<Expr *> UDMapperRefs,
-         ArrayRef<OpenMPMotionModifierKind> MotionModifiers,
-         ArrayRef<SourceLocation> MotionModifiersLoc,
-         NestedNameSpecifierLoc UDMQualifierLoc, DeclarationNameInfo MapperId);
+  static OMPFromClause *Create(const ASTContext &C, const OMPVarListLocTy &Locs,
+                               ArrayRef<Expr *> Vars,
+                               ArrayRef<ValueDecl *> Declarations,
+                               MappableExprComponentListsRef ComponentLists,
+                               ArrayRef<Expr *> UDMapperRefs,
+                               NestedNameSpecifierLoc UDMQualifierLoc,
+                               DeclarationNameInfo MapperId);
 
   /// Creates an empty clause with the place for \a NumVars variables.
   ///
@@ -6660,38 +6529,6 @@ class OMPFromClause final
   static OMPFromClause *CreateEmpty(const ASTContext &C,
                                     const OMPMappableExprListSizeTy &Sizes);
 
-  /// Fetches the motion-modifier at 'Cnt' index of array of modifiers.
-  ///
-  /// \param Cnt index for motion-modifier.
-  OpenMPMotionModifierKind getMotionModifier(unsigned Cnt) const LLVM_READONLY {
-    assert(Cnt < NumberOfOMPMotionModifiers &&
-           "Requested modifier exceeds the total number of modifiers.");
-    return MotionModifiers[Cnt];
-  }
-
-  /// Fetches the motion-modifier location at 'Cnt' index of array of modifiers'
-  /// locations.
-  ///
-  /// \param Cnt index for motion-modifier location.
-  SourceLocation getMotionModifierLoc(unsigned Cnt) const LLVM_READONLY {
-    assert(Cnt < NumberOfOMPMotionModifiers &&
-           "Requested modifier location exceeds total number of modifiers.");
-    return MotionModifiersLoc[Cnt];
-  }
-
-  /// Fetches ArrayRef of motion-modifiers.
-  ArrayRef<OpenMPMotionModifierKind> getMotionModifiers() const LLVM_READONLY {
-    return llvm::makeArrayRef(MotionModifiers);
-  }
-
-  /// Fetches ArrayRef of location of motion-modifiers.
-  ArrayRef<SourceLocation> getMotionModifiersLoc() const LLVM_READONLY {
-    return llvm::makeArrayRef(MotionModifiersLoc);
-  }
-
-  /// Get colon location.
-  SourceLocation getColonLoc() const { return ColonLoc; }
-
   child_range children() {
     return child_range(reinterpret_cast<Stmt **>(varlist_begin()),
                        reinterpret_cast<Stmt **>(varlist_end()));
@@ -7786,8 +7623,6 @@ class OMPClausePrinter final : public OMPClauseVisitor<OMPClausePrinter> {
 
   /// Process clauses with list of variables.
   template <typename T> void VisitOMPClauseList(T *Node, char StartSym);
-  /// Process motion clauses.
-  template <typename T> void VisitOMPMotionClause(T *Node);
 
 public:
   OMPClausePrinter(raw_ostream &OS, const PrintingPolicy &Policy)

diff  --git a/clang/include/clang/Basic/DiagnosticSemaKinds.td b/clang/include/clang/Basic/DiagnosticSemaKinds.td
index 8a9cada75e35..8093e7ed3fbe 100644
--- a/clang/include/clang/Basic/DiagnosticSemaKinds.td
+++ b/clang/include/clang/Basic/DiagnosticSemaKinds.td
@@ -9805,8 +9805,6 @@ def err_omp_multiple_array_items_in_map_clause : Error<
   "multiple array elements associated with the same variable are not allowed in map clauses of the same construct">;
 def err_omp_duplicate_map_type_modifier : Error<
   "same map type modifier has been specified more than once">;
-def err_omp_duplicate_motion_modifier : Error<
-  "same motion modifier has been specified more than once">;
 def err_omp_pointer_mapped_along_with_derived_section : Error<
   "pointer cannot be mapped along with a section derived from itself">;
 def err_omp_original_storage_is_shared_and_does_not_contain : Error<

diff  --git a/clang/include/clang/Basic/OpenMPKinds.def b/clang/include/clang/Basic/OpenMPKinds.def
index 59bb331a7a8a..04ecbeaaa03e 100644
--- a/clang/include/clang/Basic/OpenMPKinds.def
+++ b/clang/include/clang/Basic/OpenMPKinds.def
@@ -125,7 +125,6 @@ OPENMP_MAP_MODIFIER_KIND(present)
 
 // Modifiers for 'to' or 'from' clause.
 OPENMP_MOTION_MODIFIER_KIND(mapper)
-OPENMP_MOTION_MODIFIER_KIND(present)
 
 // Static attributes for 'dist_schedule' clause.
 OPENMP_DIST_SCHEDULE_KIND(static)

diff  --git a/clang/include/clang/Basic/OpenMPKinds.h b/clang/include/clang/Basic/OpenMPKinds.h
index 0f37dc9ad997..3e9b5c4a8b14 100644
--- a/clang/include/clang/Basic/OpenMPKinds.h
+++ b/clang/include/clang/Basic/OpenMPKinds.h
@@ -94,10 +94,6 @@ enum OpenMPMotionModifierKind {
   OMPC_MOTION_MODIFIER_unknown
 };
 
-/// Number of allowed motion-modifiers.
-static constexpr unsigned NumberOfOMPMotionModifiers =
-    OMPC_MOTION_MODIFIER_unknown;
-
 /// OpenMP attributes for 'dist_schedule' clause.
 enum OpenMPDistScheduleClauseKind {
 #define OPENMP_DIST_SCHEDULE_KIND(Name) OMPC_DIST_SCHEDULE_##Name,

diff  --git a/clang/include/clang/Parse/Parser.h b/clang/include/clang/Parse/Parser.h
index 4068e6a444c9..e809d87b59a0 100644
--- a/clang/include/clang/Parse/Parser.h
+++ b/clang/include/clang/Parse/Parser.h
@@ -3221,9 +3221,6 @@ class Parser : public CodeCompletionHandler {
     MapTypeModifiers;
     SmallVector<SourceLocation, NumberOfOMPMapClauseModifiers>
     MapTypeModifiersLoc;
-    SmallVector<OpenMPMotionModifierKind, NumberOfOMPMotionModifiers>
-        MotionModifiers;
-    SmallVector<SourceLocation, NumberOfOMPMotionModifiers> MotionModifiersLoc;
     bool IsMapTypeImplicit = false;
     SourceLocation ExtraModifierLoc;
   };

diff  --git a/clang/include/clang/Sema/Sema.h b/clang/include/clang/Sema/Sema.h
index 4721ccdf1459..fd4300f563a9 100644
--- a/clang/include/clang/Sema/Sema.h
+++ b/clang/include/clang/Sema/Sema.h
@@ -10725,9 +10725,7 @@ class Sema final {
       DeclarationNameInfo &ReductionOrMapperId, int ExtraModifier,
       ArrayRef<OpenMPMapModifierKind> MapTypeModifiers,
       ArrayRef<SourceLocation> MapTypeModifiersLoc, bool IsMapTypeImplicit,
-      SourceLocation ExtraModifierLoc,
-      ArrayRef<OpenMPMotionModifierKind> MotionModifiers,
-      ArrayRef<SourceLocation> MotionModifiersLoc);
+      SourceLocation ExtraModifierLoc);
   /// Called on well-formed 'inclusive' clause.
   OMPClause *ActOnOpenMPInclusiveClause(ArrayRef<Expr *> VarList,
                                         SourceLocation StartLoc,
@@ -10864,20 +10862,15 @@ class Sema final {
       SourceLocation KindLoc, SourceLocation EndLoc);
   /// Called on well-formed 'to' clause.
   OMPClause *
-  ActOnOpenMPToClause(ArrayRef<OpenMPMotionModifierKind> MotionModifiers,
-                      ArrayRef<SourceLocation> MotionModifiersLoc,
-                      CXXScopeSpec &MapperIdScopeSpec,
-                      DeclarationNameInfo &MapperId, SourceLocation ColonLoc,
-                      ArrayRef<Expr *> VarList, const OMPVarListLocTy &Locs,
+  ActOnOpenMPToClause(ArrayRef<Expr *> VarList, CXXScopeSpec &MapperIdScopeSpec,
+                      DeclarationNameInfo &MapperId,
+                      const OMPVarListLocTy &Locs,
                       ArrayRef<Expr *> UnresolvedMappers = llvm::None);
   /// Called on well-formed 'from' clause.
-  OMPClause *
-  ActOnOpenMPFromClause(ArrayRef<OpenMPMotionModifierKind> MotionModifiers,
-                        ArrayRef<SourceLocation> MotionModifiersLoc,
-                        CXXScopeSpec &MapperIdScopeSpec,
-                        DeclarationNameInfo &MapperId, SourceLocation ColonLoc,
-                        ArrayRef<Expr *> VarList, const OMPVarListLocTy &Locs,
-                        ArrayRef<Expr *> UnresolvedMappers = llvm::None);
+  OMPClause *ActOnOpenMPFromClause(
+      ArrayRef<Expr *> VarList, CXXScopeSpec &MapperIdScopeSpec,
+      DeclarationNameInfo &MapperId, const OMPVarListLocTy &Locs,
+      ArrayRef<Expr *> UnresolvedMappers = llvm::None);
   /// Called on well-formed 'use_device_ptr' clause.
   OMPClause *ActOnOpenMPUseDevicePtrClause(ArrayRef<Expr *> VarList,
                                            const OMPVarListLocTy &Locs);

diff  --git a/clang/lib/AST/OpenMPClause.cpp b/clang/lib/AST/OpenMPClause.cpp
index cf548c2ab474..6933c5742552 100644
--- a/clang/lib/AST/OpenMPClause.cpp
+++ b/clang/lib/AST/OpenMPClause.cpp
@@ -1097,8 +1097,6 @@ OMPToClause *OMPToClause::Create(
     const ASTContext &C, const OMPVarListLocTy &Locs, ArrayRef<Expr *> Vars,
     ArrayRef<ValueDecl *> Declarations,
     MappableExprComponentListsRef ComponentLists, ArrayRef<Expr *> UDMapperRefs,
-    ArrayRef<OpenMPMotionModifierKind> MotionModifiers,
-    ArrayRef<SourceLocation> MotionModifiersLoc,
     NestedNameSpecifierLoc UDMQualifierLoc, DeclarationNameInfo MapperId) {
   OMPMappableExprListSizeTy Sizes;
   Sizes.NumVars = Vars.size();
@@ -1123,8 +1121,7 @@ OMPToClause *OMPToClause::Create(
           Sizes.NumUniqueDeclarations + Sizes.NumComponentLists,
           Sizes.NumComponents));
 
-  auto *Clause = new (Mem) OMPToClause(MotionModifiers, MotionModifiersLoc,
-                                       UDMQualifierLoc, MapperId, Locs, Sizes);
+  auto *Clause = new (Mem) OMPToClause(UDMQualifierLoc, MapperId, Locs, Sizes);
 
   Clause->setVarRefs(Vars);
   Clause->setUDMapperRefs(UDMapperRefs);
@@ -1147,8 +1144,6 @@ OMPFromClause *OMPFromClause::Create(
     const ASTContext &C, const OMPVarListLocTy &Locs, ArrayRef<Expr *> Vars,
     ArrayRef<ValueDecl *> Declarations,
     MappableExprComponentListsRef ComponentLists, ArrayRef<Expr *> UDMapperRefs,
-    ArrayRef<OpenMPMotionModifierKind> MotionModifiers,
-    ArrayRef<SourceLocation> MotionModifiersLoc,
     NestedNameSpecifierLoc UDMQualifierLoc, DeclarationNameInfo MapperId) {
   OMPMappableExprListSizeTy Sizes;
   Sizes.NumVars = Vars.size();
@@ -1174,8 +1169,7 @@ OMPFromClause *OMPFromClause::Create(
           Sizes.NumComponents));
 
   auto *Clause =
-      new (Mem) OMPFromClause(MotionModifiers, MotionModifiersLoc,
-                              UDMQualifierLoc, MapperId, Locs, Sizes);
+      new (Mem) OMPFromClause(UDMQualifierLoc, MapperId, Locs, Sizes);
 
   Clause->setVarRefs(Vars);
   Clause->setUDMapperRefs(UDMapperRefs);
@@ -1942,17 +1936,6 @@ void OMPClausePrinter::VisitOMPDependClause(OMPDependClause *Node) {
   OS << ")";
 }
 
-template <typename T>
-static void PrintMapper(raw_ostream &OS, T *Node,
-                        const PrintingPolicy &Policy) {
-  OS << '(';
-  NestedNameSpecifier *MapperNNS =
-      Node->getMapperQualifierLoc().getNestedNameSpecifier();
-  if (MapperNNS)
-    MapperNNS->print(OS, Policy);
-  OS << Node->getMapperIdInfo() << ')';
-}
-
 void OMPClausePrinter::VisitOMPMapClause(OMPMapClause *Node) {
   if (!Node->varlist_empty()) {
     OS << "map(";
@@ -1961,8 +1944,14 @@ void OMPClausePrinter::VisitOMPMapClause(OMPMapClause *Node) {
         if (Node->getMapTypeModifier(I) != OMPC_MAP_MODIFIER_unknown) {
           OS << getOpenMPSimpleClauseTypeName(OMPC_map,
                                               Node->getMapTypeModifier(I));
-          if (Node->getMapTypeModifier(I) == OMPC_MAP_MODIFIER_mapper)
-            PrintMapper(OS, Node, Policy);
+          if (Node->getMapTypeModifier(I) == OMPC_MAP_MODIFIER_mapper) {
+            OS << '(';
+            NestedNameSpecifier *MapperNNS =
+                Node->getMapperQualifierLoc().getNestedNameSpecifier();
+            if (MapperNNS)
+              MapperNNS->print(OS, Policy);
+            OS << Node->getMapperIdInfo() << ')';
+          }
           OS << ',';
         }
       }
@@ -1974,41 +1963,44 @@ void OMPClausePrinter::VisitOMPMapClause(OMPMapClause *Node) {
   }
 }
 
-template <typename T> void OMPClausePrinter::VisitOMPMotionClause(T *Node) {
-  if (Node->varlist_empty())
-    return;
-  OS << getOpenMPClauseName(Node->getClauseKind());
-  unsigned ModifierCount = 0;
-  for (unsigned I = 0; I < NumberOfOMPMotionModifiers; ++I) {
-    if (Node->getMotionModifier(I) != OMPC_MOTION_MODIFIER_unknown)
-      ++ModifierCount;
-  }
-  if (ModifierCount) {
-    OS << '(';
-    for (unsigned I = 0; I < NumberOfOMPMotionModifiers; ++I) {
-      if (Node->getMotionModifier(I) != OMPC_MOTION_MODIFIER_unknown) {
-        OS << getOpenMPSimpleClauseTypeName(Node->getClauseKind(),
-                                            Node->getMotionModifier(I));
-        if (Node->getMotionModifier(I) == OMPC_MOTION_MODIFIER_mapper)
-          PrintMapper(OS, Node, Policy);
-        if (I < ModifierCount - 1)
-          OS << ", ";
-      }
+void OMPClausePrinter::VisitOMPToClause(OMPToClause *Node) {
+  if (!Node->varlist_empty()) {
+    OS << "to";
+    DeclarationNameInfo MapperId = Node->getMapperIdInfo();
+    if (MapperId.getName() && !MapperId.getName().isEmpty()) {
+      OS << '(';
+      OS << "mapper(";
+      NestedNameSpecifier *MapperNNS =
+          Node->getMapperQualifierLoc().getNestedNameSpecifier();
+      if (MapperNNS)
+        MapperNNS->print(OS, Policy);
+      OS << MapperId << "):";
+      VisitOMPClauseList(Node, ' ');
+    } else {
+      VisitOMPClauseList(Node, '(');
     }
-    OS << ':';
-    VisitOMPClauseList(Node, ' ');
-  } else {
-    VisitOMPClauseList(Node, '(');
+    OS << ")";
   }
-  OS << ")";
-}
-
-void OMPClausePrinter::VisitOMPToClause(OMPToClause *Node) {
-  VisitOMPMotionClause(Node);
 }
 
 void OMPClausePrinter::VisitOMPFromClause(OMPFromClause *Node) {
-  VisitOMPMotionClause(Node);
+  if (!Node->varlist_empty()) {
+    OS << "from";
+    DeclarationNameInfo MapperId = Node->getMapperIdInfo();
+    if (MapperId.getName() && !MapperId.getName().isEmpty()) {
+      OS << '(';
+      OS << "mapper(";
+      NestedNameSpecifier *MapperNNS =
+          Node->getMapperQualifierLoc().getNestedNameSpecifier();
+      if (MapperNNS)
+        MapperNNS->print(OS, Policy);
+      OS << MapperId << "):";
+      VisitOMPClauseList(Node, ' ');
+    } else {
+      VisitOMPClauseList(Node, '(');
+    }
+    OS << ")";
+  }
 }
 
 void OMPClausePrinter::VisitOMPDistScheduleClause(OMPDistScheduleClause *Node) {

diff  --git a/clang/lib/Basic/OpenMPKinds.cpp b/clang/lib/Basic/OpenMPKinds.cpp
index 5c19d60cbd6e..da362f99ed29 100644
--- a/clang/lib/Basic/OpenMPKinds.cpp
+++ b/clang/lib/Basic/OpenMPKinds.cpp
@@ -64,16 +64,12 @@ unsigned clang::getOpenMPSimpleClauseType(OpenMPClauseKind Kind, StringRef Str,
     return Type;
   }
   case OMPC_to:
-  case OMPC_from: {
-    unsigned Type = llvm::StringSwitch<unsigned>(Str)
+  case OMPC_from:
+    return llvm::StringSwitch<unsigned>(Str)
 #define OPENMP_MOTION_MODIFIER_KIND(Name)                                      \
   .Case(#Name, static_cast<unsigned>(OMPC_MOTION_MODIFIER_##Name))
 #include "clang/Basic/OpenMPKinds.def"
         .Default(OMPC_MOTION_MODIFIER_unknown);
-    if (OpenMPVersion < 51 && Type == OMPC_MOTION_MODIFIER_present)
-      return OMPC_MOTION_MODIFIER_unknown;
-    return Type;
-  }
   case OMPC_dist_schedule:
     return llvm::StringSwitch<OpenMPDistScheduleClauseKind>(Str)
 #define OPENMP_DIST_SCHEDULE_KIND(Name) .Case(#Name, OMPC_DIST_SCHEDULE_##Name)

diff  --git a/clang/lib/CodeGen/CGOpenMPRuntime.cpp b/clang/lib/CodeGen/CGOpenMPRuntime.cpp
index f7e0d7a56d5a..f16f2ed89de8 100644
--- a/clang/lib/CodeGen/CGOpenMPRuntime.cpp
+++ b/clang/lib/CodeGen/CGOpenMPRuntime.cpp
@@ -7920,20 +7920,6 @@ class MappableExprsHandler {
         Layout.push_back(Data.get<const FieldDecl *>());
     }
   }
-  static void translateMotionModifiers(
-      ArrayRef<OpenMPMotionModifierKind> MotionModifiers,
-      SmallVectorImpl<OpenMPMapModifierKind> &MapModifiers) {
-    for (OpenMPMotionModifierKind MotionMod : MotionModifiers) {
-      switch (MotionMod) {
-      case OMPC_MOTION_MODIFIER_present:
-        MapModifiers.push_back(OMPC_MAP_MODIFIER_present);
-        break;
-      case OMPC_MOTION_MODIFIER_mapper:
-      case OMPC_MOTION_MODIFIER_unknown:
-        break;
-      }
-    }
-  }
 
 public:
   MappableExprsHandler(const OMPExecutableDirective &Dir, CodeGenFunction &CGF)
@@ -8052,16 +8038,12 @@ class MappableExprsHandler {
       }
     for (const auto *C : CurExecDir->getClausesOfKind<OMPToClause>())
       for (const auto L : C->component_lists()) {
-        SmallVector<OpenMPMapModifierKind, 2> MapModifiers;
-        translateMotionModifiers(C->getMotionModifiers(), MapModifiers);
-        InfoGen(std::get<0>(L), std::get<1>(L), OMPC_MAP_to, MapModifiers,
+        InfoGen(std::get<0>(L), std::get<1>(L), OMPC_MAP_to, llvm::None,
                 /*ReturnDevicePointer=*/false, C->isImplicit(), std::get<2>(L));
       }
     for (const auto *C : CurExecDir->getClausesOfKind<OMPFromClause>())
       for (const auto L : C->component_lists()) {
-        SmallVector<OpenMPMapModifierKind, 2> MapModifiers;
-        translateMotionModifiers(C->getMotionModifiers(), MapModifiers);
-        InfoGen(std::get<0>(L), std::get<1>(L), OMPC_MAP_from, MapModifiers,
+        InfoGen(std::get<0>(L), std::get<1>(L), OMPC_MAP_from, llvm::None,
                 /*ReturnDevicePointer=*/false, C->isImplicit(), std::get<2>(L));
       }
 

diff  --git a/clang/lib/Parse/ParseOpenMP.cpp b/clang/lib/Parse/ParseOpenMP.cpp
index cafe4191b207..6a5d7c604c6b 100644
--- a/clang/lib/Parse/ParseOpenMP.cpp
+++ b/clang/lib/Parse/ParseOpenMP.cpp
@@ -3441,43 +3441,25 @@ bool Parser::ParseOpenMPVarList(OpenMPDirectiveKind DKind,
     if (Tok.is(tok::colon))
       Data.ColonLoc = ConsumeToken();
   } else if (Kind == OMPC_to || Kind == OMPC_from) {
-    while (Tok.is(tok::identifier)) {
+    if (Tok.is(tok::identifier)) {
       auto Modifier =
           static_cast<OpenMPMotionModifierKind>(getOpenMPSimpleClauseType(
               Kind, PP.getSpelling(Tok), getLangOpts().OpenMP));
-      if (Modifier == OMPC_MOTION_MODIFIER_unknown)
-        break;
-      Data.MotionModifiers.push_back(Modifier);
-      Data.MotionModifiersLoc.push_back(Tok.getLocation());
-      ConsumeToken();
       if (Modifier == OMPC_MOTION_MODIFIER_mapper) {
-        IsInvalidMapperModifier = parseMapperModifier(Data);
-        if (IsInvalidMapperModifier)
-          break;
-      }
-      // OpenMP < 5.1 doesn't permit a ',' or additional modifiers.
-      if (getLangOpts().OpenMP < 51)
-        break;
-      // OpenMP 5.1 accepts an optional ',' even if the next character is ':'.
-      // TODO: Is that intentional?
-      if (Tok.is(tok::comma))
+        // Parse the mapper modifier.
         ConsumeToken();
-    }
-    if (!Data.MotionModifiers.empty() && Tok.isNot(tok::colon)) {
-      if (!IsInvalidMapperModifier) {
-        if (getLangOpts().OpenMP < 51)
-          Diag(Tok, diag::warn_pragma_expected_colon) << ")";
-        else
-          Diag(Tok, diag::warn_pragma_expected_colon) << "motion modifier";
+        IsInvalidMapperModifier = parseMapperModifier(Data);
+        if (Tok.isNot(tok::colon)) {
+          if (!IsInvalidMapperModifier)
+            Diag(Tok, diag::warn_pragma_expected_colon) << ")";
+          SkipUntil(tok::colon, tok::r_paren, tok::annot_pragma_openmp_end,
+                    StopBeforeMatch);
+        }
+        // Consume ':'.
+        if (Tok.is(tok::colon))
+          ConsumeToken();
       }
-      SkipUntil(tok::colon, tok::r_paren, tok::annot_pragma_openmp_end,
-                StopBeforeMatch);
     }
-    // OpenMP 5.1 permits a ':' even without a preceding modifier.  TODO: Is
-    // that intentional?
-    if ((!Data.MotionModifiers.empty() || getLangOpts().OpenMP >= 51) &&
-        Tok.is(tok::colon))
-      Data.ColonLoc = ConsumeToken();
   } else if (Kind == OMPC_allocate ||
              (Kind == OMPC_affinity && Tok.is(tok::identifier) &&
               PP.getSpelling(Tok) == "iterator")) {
@@ -3653,7 +3635,6 @@ OMPClause *Parser::ParseOpenMPVarListClause(OpenMPDirectiveKind DKind,
       Kind, Vars, Data.DepModOrTailExpr, Locs, Data.ColonLoc,
       Data.ReductionOrMapperIdScopeSpec, Data.ReductionOrMapperId,
       Data.ExtraModifier, Data.MapTypeModifiers, Data.MapTypeModifiersLoc,
-      Data.IsMapTypeImplicit, Data.ExtraModifierLoc, Data.MotionModifiers,
-      Data.MotionModifiersLoc);
+      Data.IsMapTypeImplicit, Data.ExtraModifierLoc);
 }
 

diff  --git a/clang/lib/Sema/SemaOpenMP.cpp b/clang/lib/Sema/SemaOpenMP.cpp
index d7f618a2fa60..0192df3bd170 100644
--- a/clang/lib/Sema/SemaOpenMP.cpp
+++ b/clang/lib/Sema/SemaOpenMP.cpp
@@ -13536,9 +13536,7 @@ OMPClause *Sema::ActOnOpenMPVarListClause(
     DeclarationNameInfo &ReductionOrMapperId, int ExtraModifier,
     ArrayRef<OpenMPMapModifierKind> MapTypeModifiers,
     ArrayRef<SourceLocation> MapTypeModifiersLoc, bool IsMapTypeImplicit,
-    SourceLocation ExtraModifierLoc,
-    ArrayRef<OpenMPMotionModifierKind> MotionModifiers,
-    ArrayRef<SourceLocation> MotionModifiersLoc) {
+    SourceLocation ExtraModifierLoc) {
   SourceLocation StartLoc = Locs.StartLoc;
   SourceLocation LParenLoc = Locs.LParenLoc;
   SourceLocation EndLoc = Locs.EndLoc;
@@ -13615,14 +13613,12 @@ OMPClause *Sema::ActOnOpenMPVarListClause(
         IsMapTypeImplicit, ExtraModifierLoc, ColonLoc, VarList, Locs);
     break;
   case OMPC_to:
-    Res = ActOnOpenMPToClause(MotionModifiers, MotionModifiersLoc,
-                              ReductionOrMapperIdScopeSpec, ReductionOrMapperId,
-                              ColonLoc, VarList, Locs);
+    Res = ActOnOpenMPToClause(VarList, ReductionOrMapperIdScopeSpec,
+                              ReductionOrMapperId, Locs);
     break;
   case OMPC_from:
-    Res = ActOnOpenMPFromClause(MotionModifiers, MotionModifiersLoc,
-                                ReductionOrMapperIdScopeSpec,
-                                ReductionOrMapperId, ColonLoc, VarList, Locs);
+    Res = ActOnOpenMPFromClause(VarList, ReductionOrMapperIdScopeSpec,
+                                ReductionOrMapperId, Locs);
     break;
   case OMPC_use_device_ptr:
     Res = ActOnOpenMPUseDevicePtrClause(VarList, Locs);
@@ -18580,31 +18576,11 @@ void Sema::checkDeclIsAllowedInOpenMPTarget(Expr *E, Decl *D,
   checkDeclInTargetContext(E->getExprLoc(), E->getSourceRange(), *this, D);
 }
 
-OMPClause *Sema::ActOnOpenMPToClause(
-    ArrayRef<OpenMPMotionModifierKind> MotionModifiers,
-    ArrayRef<SourceLocation> MotionModifiersLoc,
-    CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo &MapperId,
-    SourceLocation ColonLoc, ArrayRef<Expr *> VarList,
-    const OMPVarListLocTy &Locs, ArrayRef<Expr *> UnresolvedMappers) {
-  OpenMPMotionModifierKind Modifiers[] = {OMPC_MOTION_MODIFIER_unknown,
-                                          OMPC_MOTION_MODIFIER_unknown};
-  SourceLocation ModifiersLoc[NumberOfOMPMotionModifiers];
-
-  // Process motion-modifiers, flag errors for duplicate modifiers.
-  unsigned Count = 0;
-  for (unsigned I = 0, E = MotionModifiers.size(); I < E; ++I) {
-    if (MotionModifiers[I] != OMPC_MOTION_MODIFIER_unknown &&
-        llvm::find(Modifiers, MotionModifiers[I]) != std::end(Modifiers)) {
-      Diag(MotionModifiersLoc[I], diag::err_omp_duplicate_motion_modifier);
-      continue;
-    }
-    assert(Count < NumberOfOMPMotionModifiers &&
-           "Modifiers exceed the allowed number of motion modifiers");
-    Modifiers[Count] = MotionModifiers[I];
-    ModifiersLoc[Count] = MotionModifiersLoc[I];
-    ++Count;
-  }
-
+OMPClause *Sema::ActOnOpenMPToClause(ArrayRef<Expr *> VarList,
+                                     CXXScopeSpec &MapperIdScopeSpec,
+                                     DeclarationNameInfo &MapperId,
+                                     const OMPVarListLocTy &Locs,
+                                     ArrayRef<Expr *> UnresolvedMappers) {
   MappableVarListInfo MVLI(VarList);
   checkMappableExpressionList(*this, DSAStack, OMPC_to, MVLI, Locs.StartLoc,
                               MapperIdScopeSpec, MapperId, UnresolvedMappers);
@@ -18613,35 +18589,15 @@ OMPClause *Sema::ActOnOpenMPToClause(
 
   return OMPToClause::Create(
       Context, Locs, MVLI.ProcessedVarList, MVLI.VarBaseDeclarations,
-      MVLI.VarComponents, MVLI.UDMapperList, Modifiers, ModifiersLoc,
+      MVLI.VarComponents, MVLI.UDMapperList,
       MapperIdScopeSpec.getWithLocInContext(Context), MapperId);
 }
 
-OMPClause *Sema::ActOnOpenMPFromClause(
-    ArrayRef<OpenMPMotionModifierKind> MotionModifiers,
-    ArrayRef<SourceLocation> MotionModifiersLoc,
-    CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo &MapperId,
-    SourceLocation ColonLoc, ArrayRef<Expr *> VarList,
-    const OMPVarListLocTy &Locs, ArrayRef<Expr *> UnresolvedMappers) {
-  OpenMPMotionModifierKind Modifiers[] = {OMPC_MOTION_MODIFIER_unknown,
-                                          OMPC_MOTION_MODIFIER_unknown};
-  SourceLocation ModifiersLoc[NumberOfOMPMotionModifiers];
-
-  // Process motion-modifiers, flag errors for duplicate modifiers.
-  unsigned Count = 0;
-  for (unsigned I = 0, E = MotionModifiers.size(); I < E; ++I) {
-    if (MotionModifiers[I] != OMPC_MOTION_MODIFIER_unknown &&
-        llvm::find(Modifiers, MotionModifiers[I]) != std::end(Modifiers)) {
-      Diag(MotionModifiersLoc[I], diag::err_omp_duplicate_motion_modifier);
-      continue;
-    }
-    assert(Count < NumberOfOMPMotionModifiers &&
-           "Modifiers exceed the allowed number of motion modifiers");
-    Modifiers[Count] = MotionModifiers[I];
-    ModifiersLoc[Count] = MotionModifiersLoc[I];
-    ++Count;
-  }
-
+OMPClause *Sema::ActOnOpenMPFromClause(ArrayRef<Expr *> VarList,
+                                       CXXScopeSpec &MapperIdScopeSpec,
+                                       DeclarationNameInfo &MapperId,
+                                       const OMPVarListLocTy &Locs,
+                                       ArrayRef<Expr *> UnresolvedMappers) {
   MappableVarListInfo MVLI(VarList);
   checkMappableExpressionList(*this, DSAStack, OMPC_from, MVLI, Locs.StartLoc,
                               MapperIdScopeSpec, MapperId, UnresolvedMappers);
@@ -18650,7 +18606,7 @@ OMPClause *Sema::ActOnOpenMPFromClause(
 
   return OMPFromClause::Create(
       Context, Locs, MVLI.ProcessedVarList, MVLI.VarBaseDeclarations,
-      MVLI.VarComponents, MVLI.UDMapperList, Modifiers, ModifiersLoc,
+      MVLI.VarComponents, MVLI.UDMapperList,
       MapperIdScopeSpec.getWithLocInContext(Context), MapperId);
 }
 

diff  --git a/clang/lib/Sema/TreeTransform.h b/clang/lib/Sema/TreeTransform.h
index 53064d28dd99..0f83431c94cf 100644
--- a/clang/lib/Sema/TreeTransform.h
+++ b/clang/lib/Sema/TreeTransform.h
@@ -2006,32 +2006,26 @@ class TreeTransform {
   ///
   /// By default, performs semantic analysis to build the new statement.
   /// Subclasses may override this routine to provide 
diff erent behavior.
-  OMPClause *
-  RebuildOMPToClause(ArrayRef<OpenMPMotionModifierKind> MotionModifiers,
-                     ArrayRef<SourceLocation> MotionModifiersLoc,
-                     CXXScopeSpec &MapperIdScopeSpec,
-                     DeclarationNameInfo &MapperId, SourceLocation ColonLoc,
-                     ArrayRef<Expr *> VarList, const OMPVarListLocTy &Locs,
-                     ArrayRef<Expr *> UnresolvedMappers) {
-    return getSema().ActOnOpenMPToClause(MotionModifiers, MotionModifiersLoc,
-                                         MapperIdScopeSpec, MapperId, ColonLoc,
-                                         VarList, Locs, UnresolvedMappers);
+  OMPClause *RebuildOMPToClause(ArrayRef<Expr *> VarList,
+                                CXXScopeSpec &MapperIdScopeSpec,
+                                DeclarationNameInfo &MapperId,
+                                const OMPVarListLocTy &Locs,
+                                ArrayRef<Expr *> UnresolvedMappers) {
+    return getSema().ActOnOpenMPToClause(VarList, MapperIdScopeSpec, MapperId,
+                                         Locs, UnresolvedMappers);
   }
 
   /// Build a new OpenMP 'from' clause.
   ///
   /// By default, performs semantic analysis to build the new statement.
   /// Subclasses may override this routine to provide 
diff erent behavior.
-  OMPClause *
-  RebuildOMPFromClause(ArrayRef<OpenMPMotionModifierKind> MotionModifiers,
-                       ArrayRef<SourceLocation> MotionModifiersLoc,
-                       CXXScopeSpec &MapperIdScopeSpec,
-                       DeclarationNameInfo &MapperId, SourceLocation ColonLoc,
-                       ArrayRef<Expr *> VarList, const OMPVarListLocTy &Locs,
-                       ArrayRef<Expr *> UnresolvedMappers) {
-    return getSema().ActOnOpenMPFromClause(
-        MotionModifiers, MotionModifiersLoc, MapperIdScopeSpec, MapperId,
-        ColonLoc, VarList, Locs, UnresolvedMappers);
+  OMPClause *RebuildOMPFromClause(ArrayRef<Expr *> VarList,
+                                  CXXScopeSpec &MapperIdScopeSpec,
+                                  DeclarationNameInfo &MapperId,
+                                  const OMPVarListLocTy &Locs,
+                                  ArrayRef<Expr *> UnresolvedMappers) {
+    return getSema().ActOnOpenMPFromClause(VarList, MapperIdScopeSpec, MapperId,
+                                           Locs, UnresolvedMappers);
   }
 
   /// Build a new OpenMP 'use_device_ptr' clause.
@@ -9744,9 +9738,8 @@ OMPClause *TreeTransform<Derived>::TransformOMPToClause(OMPToClause *C) {
   if (transformOMPMappableExprListClause<Derived, OMPToClause>(
           *this, C, Vars, MapperIdScopeSpec, MapperIdInfo, UnresolvedMappers))
     return nullptr;
-  return getDerived().RebuildOMPToClause(
-      C->getMotionModifiers(), C->getMotionModifiersLoc(), MapperIdScopeSpec,
-      MapperIdInfo, C->getColonLoc(), Vars, Locs, UnresolvedMappers);
+  return getDerived().RebuildOMPToClause(Vars, MapperIdScopeSpec, MapperIdInfo,
+                                         Locs, UnresolvedMappers);
 }
 
 template <typename Derived>
@@ -9760,8 +9753,7 @@ OMPClause *TreeTransform<Derived>::TransformOMPFromClause(OMPFromClause *C) {
           *this, C, Vars, MapperIdScopeSpec, MapperIdInfo, UnresolvedMappers))
     return nullptr;
   return getDerived().RebuildOMPFromClause(
-      C->getMotionModifiers(), C->getMotionModifiersLoc(), MapperIdScopeSpec,
-      MapperIdInfo, C->getColonLoc(), Vars, Locs, UnresolvedMappers);
+      Vars, MapperIdScopeSpec, MapperIdInfo, Locs, UnresolvedMappers);
 }
 
 template <typename Derived>

diff  --git a/clang/lib/Serialization/ASTReader.cpp b/clang/lib/Serialization/ASTReader.cpp
index a27c36420fdb..6b96b4ff59b8 100644
--- a/clang/lib/Serialization/ASTReader.cpp
+++ b/clang/lib/Serialization/ASTReader.cpp
@@ -12601,14 +12601,8 @@ void OMPClauseReader::VisitOMPDefaultmapClause(OMPDefaultmapClause *C) {
 
 void OMPClauseReader::VisitOMPToClause(OMPToClause *C) {
   C->setLParenLoc(Record.readSourceLocation());
-  for (unsigned I = 0; I < NumberOfOMPMotionModifiers; ++I) {
-    C->setMotionModifier(
-        I, static_cast<OpenMPMotionModifierKind>(Record.readInt()));
-    C->setMotionModifierLoc(I, Record.readSourceLocation());
-  }
   C->setMapperQualifierLoc(Record.readNestedNameSpecifierLoc());
   C->setMapperIdInfo(Record.readDeclarationNameInfo());
-  C->setColonLoc(Record.readSourceLocation());
   auto NumVars = C->varlist_size();
   auto UniqueDecls = C->getUniqueDeclarationsNum();
   auto TotalLists = C->getTotalComponentListNum();
@@ -12657,14 +12651,8 @@ void OMPClauseReader::VisitOMPToClause(OMPToClause *C) {
 
 void OMPClauseReader::VisitOMPFromClause(OMPFromClause *C) {
   C->setLParenLoc(Record.readSourceLocation());
-  for (unsigned I = 0; I < NumberOfOMPMotionModifiers; ++I) {
-    C->setMotionModifier(
-        I, static_cast<OpenMPMotionModifierKind>(Record.readInt()));
-    C->setMotionModifierLoc(I, Record.readSourceLocation());
-  }
   C->setMapperQualifierLoc(Record.readNestedNameSpecifierLoc());
   C->setMapperIdInfo(Record.readDeclarationNameInfo());
-  C->setColonLoc(Record.readSourceLocation());
   auto NumVars = C->varlist_size();
   auto UniqueDecls = C->getUniqueDeclarationsNum();
   auto TotalLists = C->getTotalComponentListNum();

diff  --git a/clang/lib/Serialization/ASTWriter.cpp b/clang/lib/Serialization/ASTWriter.cpp
index 8c693b7d34fd..9ea90b2a0212 100644
--- a/clang/lib/Serialization/ASTWriter.cpp
+++ b/clang/lib/Serialization/ASTWriter.cpp
@@ -6581,13 +6581,8 @@ void OMPClauseWriter::VisitOMPToClause(OMPToClause *C) {
   Record.push_back(C->getTotalComponentListNum());
   Record.push_back(C->getTotalComponentsNum());
   Record.AddSourceLocation(C->getLParenLoc());
-  for (unsigned I = 0; I < NumberOfOMPMotionModifiers; ++I) {
-    Record.push_back(C->getMotionModifier(I));
-    Record.AddSourceLocation(C->getMotionModifierLoc(I));
-  }
   Record.AddNestedNameSpecifierLoc(C->getMapperQualifierLoc());
   Record.AddDeclarationNameInfo(C->getMapperIdInfo());
-  Record.AddSourceLocation(C->getColonLoc());
   for (auto *E : C->varlists())
     Record.AddStmt(E);
   for (auto *E : C->mapperlists())
@@ -6610,13 +6605,8 @@ void OMPClauseWriter::VisitOMPFromClause(OMPFromClause *C) {
   Record.push_back(C->getTotalComponentListNum());
   Record.push_back(C->getTotalComponentsNum());
   Record.AddSourceLocation(C->getLParenLoc());
-  for (unsigned I = 0; I < NumberOfOMPMotionModifiers; ++I) {
-    Record.push_back(C->getMotionModifier(I));
-    Record.AddSourceLocation(C->getMotionModifierLoc(I));
-  }
   Record.AddNestedNameSpecifierLoc(C->getMapperQualifierLoc());
   Record.AddDeclarationNameInfo(C->getMapperIdInfo());
-  Record.AddSourceLocation(C->getColonLoc());
   for (auto *E : C->varlists())
     Record.AddStmt(E);
   for (auto *E : C->mapperlists())

diff  --git a/clang/test/OpenMP/declare_mapper_ast_print.c b/clang/test/OpenMP/declare_mapper_ast_print.c
index b7c9976c122a..e82bc4c2d310 100644
--- a/clang/test/OpenMP/declare_mapper_ast_print.c
+++ b/clang/test/OpenMP/declare_mapper_ast_print.c
@@ -5,14 +5,6 @@
 // RUN: %clang_cc1 -verify -fopenmp-simd -ast-print %s | FileCheck %s
 // RUN: %clang_cc1 -fopenmp-simd -emit-pch -o %t %s
 // RUN: %clang_cc1 -fopenmp-simd -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s
-
-// RUN: %clang_cc1 -DOMP51 -verify -fopenmp -fopenmp-version=51 -ast-print %s | FileCheck -check-prefixes=CHECK,OMP51 %s
-// RUN: %clang_cc1 -DOMP51 -fopenmp -fopenmp-version=51 -emit-pch -o %t %s
-// RUN: %clang_cc1 -DOMP51 -fopenmp -fopenmp-version=51 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck -check-prefixes=CHECK,OMP51 %s
-
-// RUN: %clang_cc1 -DOMP51 -verify -fopenmp-simd -fopenmp-version=51 -ast-print %s | FileCheck -check-prefixes=CHECK,OMP51 %s
-// RUN: %clang_cc1 -DOMP51 -fopenmp-simd -fopenmp-version=51 -emit-pch -o %t %s
-// RUN: %clang_cc1 -DOMP51 -fopenmp-simd -fopenmp-version=51 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck -check-prefixes=CHECK,OMP51 %s
 // expected-no-diagnostics
 
 #ifndef HEADER
@@ -58,12 +50,6 @@ int main() {
     { dd[0].i++; }
 #pragma omp target update to(mapper(id): vv) from(mapper(default): dd[0:10])
 // CHECK: #pragma omp target update to(mapper(id): vv) from(mapper(default): dd[0:10])
-#ifdef OMP51
-#pragma omp target update to(mapper(id) present: vv) from(mapper(default), present: dd[0:10])
-// OMP51: #pragma omp target update to(mapper(id), present: vv) from(mapper(default), present: dd[0:10])
-#pragma omp target update to(present mapper(id): vv) from(present, mapper(default): dd[0:10])
-// OMP51: #pragma omp target update to(present, mapper(id): vv) from(present, mapper(default): dd[0:10])
-#endif
   }
   return 0;
 }

diff  --git a/clang/test/OpenMP/declare_mapper_codegen.cpp b/clang/test/OpenMP/declare_mapper_codegen.cpp
index 2fd4b3cb7ed0..ee64fe209900 100644
--- a/clang/test/OpenMP/declare_mapper_codegen.cpp
+++ b/clang/test/OpenMP/declare_mapper_codegen.cpp
@@ -839,242 +839,4 @@ void foo(int a){
 
 #endif // CK3
 
-///==========================================================================///
-// RUN: %clang_cc1 -DCK4 -verify -fopenmp -fopenmp-version=51 -fopenmp-targets=powerpc64le-ibm-linux-gnu -x c++ -triple powerpc64le-unknown-unknown -emit-llvm -femit-all-decls -disable-llvm-passes %s -o - | FileCheck --check-prefix CK4 --check-prefix CK4-64 %s
-// RUN: %clang_cc1 -DCK4 -fopenmp -fopenmp-version=51 -fopenmp-targets=powerpc64le-ibm-linux-gnu -x c++ -std=c++11 -triple powerpc64le-unknown-unknown -emit-pch -femit-all-decls -disable-llvm-passes -o %t %s
-// RUN: %clang_cc1 -DCK4 -fopenmp -fopenmp-version=51 -fopenmp-targets=powerpc64le-ibm-linux-gnu -x c++ -triple powerpc64le-unknown-unknown -std=c++11 -femit-all-decls -disable-llvm-passes -include-pch %t -verify %s -emit-llvm -o - | FileCheck --check-prefix CK4 --check-prefix CK4-64 %s
-// RUN: %clang_cc1 -DCK4 -verify -fopenmp -fopenmp-version=51 -fopenmp-targets=i386-pc-linux-gnu -x c++ -triple i386-unknown-unknown -emit-llvm -femit-all-decls -disable-llvm-passes %s -o - | FileCheck --check-prefix CK4 --check-prefix CK4-32 %s
-// RUN: %clang_cc1 -DCK4 -fopenmp -fopenmp-version=51 -fopenmp-targets=i386-pc-linux-gnu -x c++ -std=c++11 -triple i386-unknown-unknown -emit-pch -femit-all-decls -disable-llvm-passes -o %t %s
-// RUN: %clang_cc1 -DCK4 -fopenmp -fopenmp-version=51 -fopenmp-targets=i386-pc-linux-gnu -x c++ -triple i386-unknown-unknown -std=c++11 -femit-all-decls -disable-llvm-passes -include-pch %t -verify %s -emit-llvm -o - | FileCheck --check-prefix CK4 --check-prefix CK4-32 %s
-
-// RUN: %clang_cc1 -DCK4 -verify -fopenmp-simd -fopenmp-version=51 -fopenmp-targets=powerpc64le-ibm-linux-gnu -x c++ -triple powerpc64le-unknown-unknown -emit-llvm -femit-all-decls -disable-llvm-passes %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
-// RUN: %clang_cc1 -DCK4 -fopenmp-simd -fopenmp-version=51 -fopenmp-targets=powerpc64le-ibm-linux-gnu -x c++ -std=c++11 -triple powerpc64le-unknown-unknown -emit-pch -femit-all-decls -disable-llvm-passes -o %t %s
-// RUN: %clang_cc1 -DCK4 -fopenmp-simd -fopenmp-version=51 -fopenmp-targets=powerpc64le-ibm-linux-gnu -x c++ -triple powerpc64le-unknown-unknown -std=c++11 -femit-all-decls -disable-llvm-passes -include-pch %t -verify %s -emit-llvm -o - | FileCheck --check-prefix SIMD-ONLY0 %s
-// RUN: %clang_cc1 -DCK4 -verify -fopenmp-simd -fopenmp-version=51 -fopenmp-targets=i386-pc-linux-gnu -x c++ -triple i386-unknown-unknown -emit-llvm -femit-all-decls -disable-llvm-passes %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
-// RUN: %clang_cc1 -DCK4 -fopenmp-simd -fopenmp-version=51 -fopenmp-targets=i386-pc-linux-gnu -x c++ -std=c++11 -triple i386-unknown-unknown -emit-pch -femit-all-decls -disable-llvm-passes -o %t %s
-// RUN: %clang_cc1 -DCK4 -fopenmp-simd -fopenmp-version=51 -fopenmp-targets=i386-pc-linux-gnu -x c++ -triple i386-unknown-unknown -std=c++11 -femit-all-decls -disable-llvm-passes -include-pch %t -verify %s -emit-llvm -o - | FileCheck --check-prefix SIMD-ONLY0 %s
-
-#ifdef CK4
-// Mapper function code generation and runtime interface.
-
-// CK4-64: [[TSIZES:@.+]] = {{.+}}constant [1 x i64] [i64 16]
-// CK4-32: [[TSIZES:@.+]] = {{.+}}constant [1 x i64] [i64 8]
-// PRESENT=0x1000 | TARGET_PARAM=0x20 | TO=0x1 = 0x1021
-// CK4: [[TTYPES:@.+]] = {{.+}}constant [1 x i64] [i64 [[#0x1021]]]
-
-// CK4-64: [[FSIZES:@.+]] = {{.+}}constant [1 x i64] [i64 16]
-// CK4-32: [[FSIZES:@.+]] = {{.+}}constant [1 x i64] [i64 8]
-// PRESENT=0x1000 | TARGET_PARAM=0x20 | FROM=0x2 = 0x1022
-// CK4: [[FTYPES:@.+]] = {{.+}}constant [1 x i64] [i64 [[#0x1022]]]
-
-class C {
-public:
-  int a;
-  double *b;
-};
-
-#pragma omp declare mapper(id: C s) map(s.a, s.b[0:2])
-
-// CK4: define {{.*}}void [[MPRFUNC:@[.]omp_mapper[.].*C[.]id]](i8*{{.*}}, i8*{{.*}}, i8*{{.*}}, i64{{.*}}, i64{{.*}})
-// CK4: store i8* %{{[^,]+}}, i8** [[HANDLEADDR:%[^,]+]]
-// CK4: store i8* %{{[^,]+}}, i8** [[BPTRADDR:%[^,]+]]
-// CK4: store i8* %{{[^,]+}}, i8** [[VPTRADDR:%[^,]+]]
-// CK4: store i64 %{{[^,]+}}, i{{64|32}}* [[SIZEADDR:%[^,]+]]
-// CK4: store i64 %{{[^,]+}}, i64* [[TYPEADDR:%[^,]+]]
-// CK4-DAG: [[BYTESIZE:%.+]] = load i64, i64* [[SIZEADDR]]
-// CK4-64-DAG: [[SIZE:%.+]] = udiv exact i64 [[BYTESIZE]], 16
-// CK4-32-DAG: [[SIZE:%.+]] = udiv exact i64 [[BYTESIZE]], 8
-// CK4-DAG: [[TYPE:%.+]] = load i64, i64* [[TYPEADDR]]
-// CK4-DAG: [[HANDLE:%.+]] = load i8*, i8** [[HANDLEADDR]]
-// CK4-DAG: [[PTRBEGIN:%.+]] = bitcast i8** [[VPTRADDR]] to %class.C**
-// CK4-DAG: [[PTREND:%.+]] = getelementptr %class.C*, %class.C** [[PTRBEGIN]], i64 [[SIZE]]
-// CK4-DAG: [[BPTR:%.+]] = load i8*, i8** [[BPTRADDR]]
-// CK4-DAG: [[BEGIN:%.+]] = load i8*, i8** [[VPTRADDR]]
-// CK4: [[ISARRAY:%.+]] = icmp sge i64 [[SIZE]], 1
-// CK4: br i1 [[ISARRAY]], label %[[INITEVALDEL:[^,]+]], label %[[LHEAD:[^,]+]]
-
-// CK4: [[INITEVALDEL]]
-// CK4: [[TYPEDEL:%.+]] = and i64 [[TYPE]], 8
-// CK4: [[ISNOTDEL:%.+]] = icmp eq i64 [[TYPEDEL]], 0
-// CK4: br i1 [[ISNOTDEL]], label %[[INIT:[^,]+]], label %[[LHEAD:[^,]+]]
-// CK4: [[INIT]]
-// CK4-64-DAG: [[ARRSIZE:%.+]] = mul nuw i64 [[SIZE]], 16
-// CK4-32-DAG: [[ARRSIZE:%.+]] = mul nuw i64 [[SIZE]], 8
-// CK4-DAG: [[ITYPE:%.+]] = and i64 [[TYPE]], -4
-// CK4: call void @__tgt_push_mapper_component(i8* [[HANDLE]], i8* [[BPTR]], i8* [[BEGIN]], i64 [[ARRSIZE]], i64 [[ITYPE]])
-// CK4: br label %[[LHEAD:[^,]+]]
-
-// CK4: [[LHEAD]]
-// CK4: [[ISEMPTY:%.+]] = icmp eq %class.C** [[PTRBEGIN]], [[PTREND]]
-// CK4: br i1 [[ISEMPTY]], label %[[DONE:[^,]+]], label %[[LBODY:[^,]+]]
-// CK4: [[LBODY]]
-// CK4: [[PTR:%.+]] = phi %class.C** [ [[PTRBEGIN]], %[[LHEAD]] ], [ [[PTRNEXT:%.+]], %[[LCORRECT:[^,]+]] ]
-// CK4: [[OBJ:%.+]] = load %class.C*, %class.C** [[PTR]]
-// CK4-DAG: [[ABEGIN:%.+]] = getelementptr inbounds %class.C, %class.C* [[OBJ]], i32 0, i32 0
-// CK4-DAG: [[BBEGIN:%.+]] = getelementptr inbounds %class.C, %class.C* [[OBJ]], i32 0, i32 1
-// CK4-DAG: [[BBEGIN2:%.+]] = getelementptr inbounds %class.C, %class.C* [[OBJ]], i32 0, i32 1
-// CK4-DAG: [[BARRBEGIN:%.+]] = load double*, double** [[BBEGIN2]]
-// CK4-DAG: [[BARRBEGINGEP:%.+]] = getelementptr inbounds double, double* [[BARRBEGIN]], i[[sz:64|32]] 0
-// CK4-DAG: [[BEND:%.+]] = getelementptr double*, double** [[BBEGIN]], i32 1
-// CK4-DAG: [[ABEGINV:%.+]] = bitcast i32* [[ABEGIN]] to i8*
-// CK4-DAG: [[BENDV:%.+]] = bitcast double** [[BEND]] to i8*
-// CK4-DAG: [[ABEGINI:%.+]] = ptrtoint i8* [[ABEGINV]] to i64
-// CK4-DAG: [[BENDI:%.+]] = ptrtoint i8* [[BENDV]] to i64
-// CK4-DAG: [[CSIZE:%.+]] = sub i64 [[BENDI]], [[ABEGINI]]
-// CK4-DAG: [[CUSIZE:%.+]] = sdiv exact i64 [[CSIZE]], ptrtoint (i8* getelementptr (i8, i8* null, i32 1) to i64)
-// CK4-DAG: [[BPTRADDR0BC:%.+]] = bitcast %class.C* [[OBJ]] to i8*
-// CK4-DAG: [[PTRADDR0BC:%.+]] = bitcast i32* [[ABEGIN]] to i8*
-// CK4-DAG: [[PRESIZE:%.+]] = call i64 @__tgt_mapper_num_components(i8* [[HANDLE]])
-// CK4-DAG: [[SHIPRESIZE:%.+]] = shl i64 [[PRESIZE]], 48
-// CK4-DAG: br label %[[MEMBER:[^,]+]]
-// CK4-DAG: [[MEMBER]]
-// CK4-DAG: br i1 true, label %[[LTYPE:[^,]+]], label %[[MEMBERCOM:[^,]+]]
-// CK4-DAG: [[MEMBERCOM]]
-// CK4-DAG: [[MEMBERCOMTYPE:%.+]] = add nuw i64 32, [[SHIPRESIZE]]
-// CK4-DAG: br label %[[LTYPE]]
-// CK4-DAG: [[LTYPE]]
-// CK4-DAG: [[MEMBERTYPE:%.+]] = phi i64 [ 32, %[[MEMBER]] ], [ [[MEMBERCOMTYPE]], %[[MEMBERCOM]] ]
-// CK4-DAG: [[TYPETF:%.+]] = and i64 [[TYPE]], 3
-// CK4-DAG: [[ISALLOC:%.+]] = icmp eq i64 [[TYPETF]], 0
-// CK4-DAG: br i1 [[ISALLOC]], label %[[ALLOC:[^,]+]], label %[[ALLOCELSE:[^,]+]]
-// CK4-DAG: [[ALLOC]]
-// CK4-DAG: [[ALLOCTYPE:%.+]] = and i64 [[MEMBERTYPE]], -4
-// CK4-DAG: br label %[[TYEND:[^,]+]]
-// CK4-DAG: [[ALLOCELSE]]
-// CK4-DAG: [[ISTO:%.+]] = icmp eq i64 [[TYPETF]], 1
-// CK4-DAG: br i1 [[ISTO]], label %[[TO:[^,]+]], label %[[TOELSE:[^,]+]]
-// CK4-DAG: [[TO]]
-// CK4-DAG: [[TOTYPE:%.+]] = and i64 [[MEMBERTYPE]], -3
-// CK4-DAG: br label %[[TYEND]]
-// CK4-DAG: [[TOELSE]]
-// CK4-DAG: [[ISFROM:%.+]] = icmp eq i64 [[TYPETF]], 2
-// CK4-DAG: br i1 [[ISFROM]], label %[[FROM:[^,]+]], label %[[TYEND]]
-// CK4-DAG: [[FROM]]
-// CK4-DAG: [[FROMTYPE:%.+]] = and i64 [[MEMBERTYPE]], -2
-// CK4-DAG: br label %[[TYEND]]
-// CK4-DAG: [[TYEND]]
-// CK4-DAG: [[PHITYPE0:%.+]] = phi i64 [ [[ALLOCTYPE]], %[[ALLOC]] ], [ [[TOTYPE]], %[[TO]] ], [ [[FROMTYPE]], %[[FROM]] ], [ [[MEMBERTYPE]], %[[TOELSE]] ]
-// CK4: call void @__tgt_push_mapper_component(i8* [[HANDLE]], i8* [[BPTRADDR0BC]], i8* [[PTRADDR0BC]], i64 [[CUSIZE]], i64 [[PHITYPE0]])
-// CK4-DAG: [[BPTRADDR1BC:%.+]] = bitcast %class.C* [[OBJ]] to i8*
-// CK4-DAG: [[PTRADDR1BC:%.+]] = bitcast i32* [[ABEGIN]] to i8*
-// CK4-DAG: br label %[[MEMBER:[^,]+]]
-// CK4-DAG: [[MEMBER]]
-// CK4-DAG: br i1 false, label %[[LTYPE:[^,]+]], label %[[MEMBERCOM:[^,]+]]
-// CK4-DAG: [[MEMBERCOM]]
-// 281474976710659 == 0x1,000,000,003
-// CK4-DAG: [[MEMBERCOMTYPE:%.+]] = add nuw i64 281474976710659, [[SHIPRESIZE]]
-// CK4-DAG: br label %[[LTYPE]]
-// CK4-DAG: [[LTYPE]]
-// CK4-DAG: [[MEMBERTYPE:%.+]] = phi i64 [ 281474976710659, %[[MEMBER]] ], [ [[MEMBERCOMTYPE]], %[[MEMBERCOM]] ]
-// CK4-DAG: [[TYPETF:%.+]] = and i64 [[TYPE]], 3
-// CK4-DAG: [[ISALLOC:%.+]] = icmp eq i64 [[TYPETF]], 0
-// CK4-DAG: br i1 [[ISALLOC]], label %[[ALLOC:[^,]+]], label %[[ALLOCELSE:[^,]+]]
-// CK4-DAG: [[ALLOC]]
-// CK4-DAG: [[ALLOCTYPE:%.+]] = and i64 [[MEMBERTYPE]], -4
-// CK4-DAG: br label %[[TYEND:[^,]+]]
-// CK4-DAG: [[ALLOCELSE]]
-// CK4-DAG: [[ISTO:%.+]] = icmp eq i64 [[TYPETF]], 1
-// CK4-DAG: br i1 [[ISTO]], label %[[TO:[^,]+]], label %[[TOELSE:[^,]+]]
-// CK4-DAG: [[TO]]
-// CK4-DAG: [[TOTYPE:%.+]] = and i64 [[MEMBERTYPE]], -3
-// CK4-DAG: br label %[[TYEND]]
-// CK4-DAG: [[TOELSE]]
-// CK4-DAG: [[ISFROM:%.+]] = icmp eq i64 [[TYPETF]], 2
-// CK4-DAG: br i1 [[ISFROM]], label %[[FROM:[^,]+]], label %[[TYEND]]
-// CK4-DAG: [[FROM]]
-// CK4-DAG: [[FROMTYPE:%.+]] = and i64 [[MEMBERTYPE]], -2
-// CK4-DAG: br label %[[TYEND]]
-// CK4-DAG: [[TYEND]]
-// CK4-DAG: [[TYPE1:%.+]] = phi i64 [ [[ALLOCTYPE]], %[[ALLOC]] ], [ [[TOTYPE]], %[[TO]] ], [ [[FROMTYPE]], %[[FROM]] ], [ [[MEMBERTYPE]], %[[TOELSE]] ]
-// CK4: call void @__tgt_push_mapper_component(i8* [[HANDLE]], i8* [[BPTRADDR1BC]], i8* [[PTRADDR1BC]], i64 4, i64 [[TYPE1]])
-// CK4-DAG: [[BPTRADDR2BC:%.+]] = bitcast double** [[BBEGIN]] to i8*
-// CK4-DAG: [[PTRADDR2BC:%.+]] = bitcast double* [[BARRBEGINGEP]] to i8*
-// CK4-DAG: br label %[[MEMBER:[^,]+]]
-// CK4-DAG: [[MEMBER]]
-// CK4-DAG: br i1 false, label %[[LTYPE:[^,]+]], label %[[MEMBERCOM:[^,]+]]
-// CK4-DAG: [[MEMBERCOM]]
-// 281474976710675 == 0x1,000,000,013
-// CK4-DAG: [[MEMBERCOMTYPE:%.+]] = add nuw i64 281474976710675, [[SHIPRESIZE]]
-// CK4-DAG: br label %[[LTYPE]]
-// CK4-DAG: [[LTYPE]]
-// CK4-DAG: [[MEMBERTYPE:%.+]] = phi i64 [ 281474976710675, %[[MEMBER]] ], [ [[MEMBERCOMTYPE]], %[[MEMBERCOM]] ]
-// CK4-DAG: [[TYPETF:%.+]] = and i64 [[TYPE]], 3
-// CK4-DAG: [[ISALLOC:%.+]] = icmp eq i64 [[TYPETF]], 0
-// CK4-DAG: br i1 [[ISALLOC]], label %[[ALLOC:[^,]+]], label %[[ALLOCELSE:[^,]+]]
-// CK4-DAG: [[ALLOC]]
-// CK4-DAG: [[ALLOCTYPE:%.+]] = and i64 [[MEMBERTYPE]], -4
-// CK4-DAG: br label %[[TYEND:[^,]+]]
-// CK4-DAG: [[ALLOCELSE]]
-// CK4-DAG: [[ISTO:%.+]] = icmp eq i64 [[TYPETF]], 1
-// CK4-DAG: br i1 [[ISTO]], label %[[TO:[^,]+]], label %[[TOELSE:[^,]+]]
-// CK4-DAG: [[TO]]
-// CK4-DAG: [[TOTYPE:%.+]] = and i64 [[MEMBERTYPE]], -3
-// CK4-DAG: br label %[[TYEND]]
-// CK4-DAG: [[TOELSE]]
-// CK4-DAG: [[ISFROM:%.+]] = icmp eq i64 [[TYPETF]], 2
-// CK4-DAG: br i1 [[ISFROM]], label %[[FROM:[^,]+]], label %[[TYEND]]
-// CK4-DAG: [[FROM]]
-// CK4-DAG: [[FROMTYPE:%.+]] = and i64 [[MEMBERTYPE]], -2
-// CK4-DAG: br label %[[TYEND]]
-// CK4-DAG: [[TYEND]]
-// CK4-DAG: [[TYPE2:%.+]] = phi i64 [ [[ALLOCTYPE]], %[[ALLOC]] ], [ [[TOTYPE]], %[[TO]] ], [ [[FROMTYPE]], %[[FROM]] ], [ [[MEMBERTYPE]], %[[TOELSE]] ]
-// CK4: call void @__tgt_push_mapper_component(i8* [[HANDLE]], i8* [[BPTRADDR2BC]], i8* [[PTRADDR2BC]], i64 16, i64 [[TYPE2]])
-// CK4: [[PTRNEXT]] = getelementptr %class.C*, %class.C** [[PTR]], i32 1
-// CK4: [[ISDONE:%.+]] = icmp eq %class.C** [[PTRNEXT]], [[PTREND]]
-// CK4: br i1 [[ISDONE]], label %[[LEXIT:[^,]+]], label %[[LBODY]]
-
-// CK4: [[LEXIT]]
-// CK4: [[ISARRAY:%.+]] = icmp sge i64 [[SIZE]], 1
-// CK4: br i1 [[ISARRAY]], label %[[EVALDEL:[^,]+]], label %[[DONE]]
-// CK4: [[EVALDEL]]
-// CK4: [[TYPEDEL:%.+]] = and i64 [[TYPE]], 8
-// CK4: [[ISDEL:%.+]] = icmp ne i64 [[TYPEDEL]], 0
-// CK4: br i1 [[ISDEL]], label %[[DEL:[^,]+]], label %[[DONE]]
-// CK4: [[DEL]]
-// CK4-64-DAG: [[ARRSIZE:%.+]] = mul nuw i64 [[SIZE]], 16
-// CK4-32-DAG: [[ARRSIZE:%.+]] = mul nuw i64 [[SIZE]], 8
-// CK4-DAG: [[DTYPE:%.+]] = and i64 [[TYPE]], -4
-// CK4: call void @__tgt_push_mapper_component(i8* [[HANDLE]], i8* [[BPTR]], i8* [[BEGIN]], i64 [[ARRSIZE]], i64 [[DTYPE]])
-// CK4: br label %[[DONE]]
-// CK4: [[DONE]]
-// CK4: ret void
-
-
-// CK4-LABEL: define {{.*}}void @{{.*}}foo{{.*}}
-void foo(int a){
-  int i = a;
-  C c;
-  c.a = a;
-
-  // CK4-DAG: call void @__tgt_target_data_update_mapper(i64 -1, i32 1, i8** [[TGEPBP:%.+]], i8** [[TGEPP:%.+]], i64* getelementptr {{.+}}[1 x i64]* [[TSIZES]], i32 0, i32 0), {{.+}}getelementptr {{.+}}[1 x i64]* [[TTYPES]]{{.+}}, i8** [[TMPRGEP:%.+]])
-  // CK4-DAG: [[TGEPBP]] = getelementptr inbounds {{.+}}[[TBP:%[^,]+]], i{{.+}} 0, i{{.+}} 0
-  // CK4-DAG: [[TGEPP]] = getelementptr inbounds {{.+}}[[TP:%[^,]+]], i{{.+}} 0, i{{.+}} 0
-  // CK4-DAG: [[TMPRGEP]] = bitcast [1 x i8*]* [[TMPR:%[^,]+]] to i8**
-  // CK4-DAG: [[TBP0:%.+]] = getelementptr inbounds {{.+}}[[TBP]], i{{.+}} 0, i{{.+}} 0
-  // CK4-DAG: [[TP0:%.+]] = getelementptr inbounds {{.+}}[[TP]], i{{.+}} 0, i{{.+}} 0
-  // CK4-DAG: [[TMPR1:%.+]] = getelementptr inbounds {{.+}}[[TMPR]], i[[sz]] 0, i[[sz]] 0
-  // CK4-DAG: [[TCBP0:%.+]] = bitcast i8** [[TBP0]] to %class.C**
-  // CK4-DAG: [[TCP0:%.+]] = bitcast i8** [[TP0]] to %class.C**
-  // CK4-DAG: store %class.C* [[VAL:%[^,]+]], %class.C** [[TCBP0]]
-  // CK4-DAG: store %class.C* [[VAL]], %class.C** [[TCP0]]
-  // CK4-DAG: store i8* bitcast (void (i8*, i8*, i8*, i64, i64)* [[MPRFUNC]] to i8*), i8** [[TMPR1]]
-  #pragma omp target update to(present, mapper(id): c)
-
-  // CK4-DAG: call void @__tgt_target_data_update_mapper(i64 -1, i32 1, i8** [[FGEPBP:%.+]], i8** [[FGEPP:%.+]], i64* getelementptr {{.+}}[1 x i64]* [[FSIZES]], i32 0, i32 0), {{.+}}getelementptr {{.+}}[1 x i64]* [[FTYPES]]{{.+}}, i8** [[FMPRGEP:%.+]])
-  // CK4-DAG: [[FGEPBP]] = getelementptr inbounds {{.+}}[[FBP:%[^,]+]], i{{.+}} 0, i{{.+}} 0
-  // CK4-DAG: [[FGEPP]] = getelementptr inbounds {{.+}}[[FP:%[^,]+]], i{{.+}} 0, i{{.+}} 0
-  // CK4-DAG: [[FMPRGEP]] = bitcast [1 x i8*]* [[FMPR:%[^,]+]] to i8**
-  // CK4-DAG: [[FBP0:%.+]] = getelementptr inbounds {{.+}}[[FBP]], i{{.+}} 0, i{{.+}} 0
-  // CK4-DAG: [[FP0:%.+]] = getelementptr inbounds {{.+}}[[FP]], i{{.+}} 0, i{{.+}} 0
-  // CK4-DAG: [[FMPR1:%.+]] = getelementptr inbounds {{.+}}[[FMPR]], i[[sz]] 0, i[[sz]] 0
-  // CK4-DAG: [[FCBP0:%.+]] = bitcast i8** [[FBP0]] to %class.C**
-  // CK4-DAG: [[FCP0:%.+]] = bitcast i8** [[FP0]] to %class.C**
-  // CK4-DAG: store %class.C* [[VAL]], %class.C** [[FCBP0]]
-  // CK4-DAG: store %class.C* [[VAL]], %class.C** [[FCP0]]
-  // CK4-DAG: store i8* bitcast (void (i8*, i8*, i8*, i64, i64)* [[MPRFUNC]] to i8*), i8** [[FMPR1]]
-  #pragma omp target update from(mapper(id), present: c)
-}
-
-#endif // CK4
-
 #endif // HEADER

diff  --git a/clang/test/OpenMP/target_update_ast_print.cpp b/clang/test/OpenMP/target_update_ast_print.cpp
index 745233c430eb..0111432fde8f 100644
--- a/clang/test/OpenMP/target_update_ast_print.cpp
+++ b/clang/test/OpenMP/target_update_ast_print.cpp
@@ -5,14 +5,6 @@
 // RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-version=50 -ast-print %s | FileCheck %s
 // RUN: %clang_cc1 -fopenmp-simd -fopenmp-version=50 -x c++ -std=c++11 -emit-pch -o %t %s
 // RUN: %clang_cc1 -fopenmp-simd -fopenmp-version=50 -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s
-
-// RUN: %clang_cc1 -DOMP51 -verify -fopenmp -fopenmp-version=51 -ast-print %s | FileCheck -check-prefixes=CHECK,OMP51 %s
-// RUN: %clang_cc1 -DOMP51 -fopenmp -fopenmp-version=51 -x c++ -std=c++11 -emit-pch -o %t %s
-// RUN: %clang_cc1 -DOMP51 -fopenmp -fopenmp-version=51 -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck -check-prefixes=CHECK,OMP51 %s
-
-// RUN: %clang_cc1 -DOMP51 -verify -fopenmp-simd -fopenmp-version=51 -ast-print %s | FileCheck -check-prefixes=CHECK,OMP51 %s
-// RUN: %clang_cc1 -DOMP51 -fopenmp-simd -fopenmp-version=51 -x c++ -std=c++11 -emit-pch -o %t %s
-// RUN: %clang_cc1 -DOMP51 -fopenmp-simd -fopenmp-version=51 -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck -check-prefixes=CHECK,OMP51 %s
 // expected-no-diagnostics
 
 #ifndef HEADER
@@ -33,13 +25,6 @@ T foo(T targ, U uarg) {
 #pragma omp target update to(arr[2][0:1:2])
 
 #pragma omp target update from(arr[2][0:1:2])
-
-#ifdef OMP51
-#pragma omp target update to(present: arr[2][0:1:2])
-
-#pragma omp target update from(present: arr[2][0:1:2], a)
-#endif
-
   return a + targ + (T)b;
 }
 // CHECK:      static T a, *p;
@@ -60,8 +45,6 @@ T foo(T targ, U uarg) {
 // CHECK:      int arr[100][100];
 // CHECK-NEXT: #pragma omp target update to(arr[2][0:1:2])
 // CHECK-NEXT: #pragma omp target update from(arr[2][0:1:2])
-// OMP5-NEXT: #pragma omp target update to(present: arr[2][0:1:2])
-// OMP5-NEXT: #pragma omp target update from(present: arr[2][0:1:2], a)
 
 int main(int argc, char **argv) {
   static int a;
@@ -79,13 +62,6 @@ int main(int argc, char **argv) {
 // CHECK-NEXT: #pragma omp target update to(argv[2][0:1:2])
 #pragma omp target update from(argv[2][0:1:2])
 // CHECK-NEXT: #pragma omp target update from(argv[2][0:1:2])
-#ifdef OMP51
-#pragma omp target update to(present: argv[2][0:1:2])
-// OMP5-NEXT: #pragma omp target update to(present: arr[2][0:1:2])
-#pragma omp target update from(argv[2][0:1:2], a)
-// OMP5-NEXT: #pragma omp target update from(present: arr[2][0:1:2], a)
-#endif
-
 
   return foo(argc, f) + foo(argv[0][0], f) + a;
 }

diff  --git a/clang/test/OpenMP/target_update_codegen.cpp b/clang/test/OpenMP/target_update_codegen.cpp
index feea1129be4c..637b580d754f 100644
--- a/clang/test/OpenMP/target_update_codegen.cpp
+++ b/clang/test/OpenMP/target_update_codegen.cpp
@@ -1084,68 +1084,5 @@ void array_shaping(float *f, int sa) {
   #pragma omp target update from(([sa][5])f)
 }
 
-#endif
-///==========================================================================///
-// RUN: %clang_cc1 -DCK19 -verify -fopenmp -fopenmp-version=51 -fopenmp-targets=powerpc64le-ibm-linux-gnu -x c++ -triple powerpc64le-unknown-unknown -emit-llvm %s -o - | FileCheck %s --check-prefix CK19 --check-prefix CK19-64
-// RUN: %clang_cc1 -DCK19 -fopenmp -fopenmp-version=51 -fopenmp-targets=powerpc64le-ibm-linux-gnu -x c++ -std=c++11 -triple powerpc64le-unknown-unknown -emit-pch -o %t %s
-// RUN: %clang_cc1 -fopenmp -fopenmp-version=51 -fopenmp-targets=powerpc64le-ibm-linux-gnu -x c++ -triple powerpc64le-unknown-unknown -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s  --check-prefix CK19 --check-prefix CK19-64
-// RUN: %clang_cc1 -DCK19 -verify -fopenmp -fopenmp-version=51 -fopenmp-targets=i386-pc-linux-gnu -x c++ -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck %s  --check-prefix CK19 --check-prefix CK19-32
-// RUN: %clang_cc1 -DCK19 -fopenmp -fopenmp-version=51 -fopenmp-targets=i386-pc-linux-gnu -x c++ -std=c++11 -triple i386-unknown-unknown -emit-pch -o %t %s
-// RUN: %clang_cc1 -fopenmp -fopenmp-version=51 -fopenmp-targets=i386-pc-linux-gnu -x c++ -triple i386-unknown-unknown -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s  --check-prefix CK19 --check-prefix CK19-32
-
-// RUN: %clang_cc1 -DCK19 -verify -fopenmp-simd -fopenmp-version=51 -fopenmp-targets=powerpc64le-ibm-linux-gnu -x c++ -triple powerpc64le-unknown-unknown -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
-// RUN: %clang_cc1 -DCK19 -fopenmp-simd -fopenmp-version=51 -fopenmp-targets=powerpc64le-ibm-linux-gnu -x c++ -std=c++11 -triple powerpc64le-unknown-unknown -emit-pch -o %t %s
-// RUN: %clang_cc1 -fopenmp-simd -fopenmp-version=51 -fopenmp-targets=powerpc64le-ibm-linux-gnu -x c++ -triple powerpc64le-unknown-unknown -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck --check-prefix SIMD-ONLY0 %s
-// RUN: %clang_cc1 -DCK19 -verify -fopenmp-version=51 -fopenmp-simd -fopenmp-targets=i386-pc-linux-gnu -x c++ -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
-// RUN: %clang_cc1 -DCK19 -fopenmp-simd -fopenmp-version=51 -fopenmp-targets=i386-pc-linux-gnu -x c++ -std=c++11 -triple i386-unknown-unknown -emit-pch -o %t %s
-// RUN: %clang_cc1 -fopenmp-simd -fopenmp-version=51 -fopenmp-targets=i386-pc-linux-gnu -x c++ -triple i386-unknown-unknown -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck --check-prefix SIMD-ONLY0 %s
-// SIMD-ONLY0-NOT: {{__kmpc|__tgt}}
-#ifdef CK19
-
-// PRESENT=0x1000 | TARGET_PARAM=0x20 | TO=0x1 = 0x1021
-// CK19: [[MTYPE00:@.+]] = {{.+}}constant [1 x i64] [i64 [[#0x1021]]]
-
-// PRESENT=0x1000 | TARGET_PARAM=0x20 | FROM=0x2 = 0x1022
-// CK19: [[MTYPE01:@.+]] = {{.+}}constant [1 x i64] [i64 [[#0x1022]]]
-
-// CK19-LABEL: _Z13check_presenti
-void check_present(int arg) {
-  int la;
-  float lb[arg];
-
-  // Region 00
-  // CK19-DAG: call void @__tgt_target_data_update_mapper(i64 -1, i32 1, i8** [[GEPBP:%.+]], i8** [[GEPP:%.+]], i64* [[GEPS:%.+]], {{.+}}getelementptr {{.+}}[1 x i{{.+}}]* [[MTYPE00]]{{.+}}, i8** null)
-  // CK19-DAG: [[GEPBP]] = getelementptr inbounds {{.+}}[[BP:%[^,]+]]
-  // CK19-DAG: [[GEPP]] = getelementptr inbounds {{.+}}[[P:%[^,]+]]
-  // CK19-DAG: [[GEPS]] = getelementptr inbounds {{.+}}[[S:%[^,]+]]
-
-  // CK19-DAG: [[BP0:%.+]] = getelementptr inbounds {{.+}}[[BP]], i{{.+}} 0, i{{.+}} 0
-  // CK19-DAG: [[P0:%.+]] = getelementptr inbounds {{.+}}[[P]], i{{.+}} 0, i{{.+}} 0
-  // CK19-DAG: [[S0:%.+]] = getelementptr inbounds {{.+}}[[S]], i{{.+}} 0, i{{.+}} 0
-  // CK19-DAG: [[CBP0:%.+]] = bitcast i8** [[BP0]] to float**
-  // CK19-DAG: [[CP0:%.+]] = bitcast i8** [[P0]] to float**
-  // CK19-DAG: store float* [[VAL0:%[^,]+]], float** [[CBP0]]
-  // CK19-DAG: store float* [[VAL0]], float** [[CP0]]
-  // CK19-DAG: store i64 [[CSVAL0:%[^,]+]], i64* [[S0]]
-  #pragma omp target update to(present: lb)
-  ;
-
-  // Region 01
-  // CK19-DAG: call void @__tgt_target_data_update_mapper(i64 -1, i32 1, i8** [[GEPBP:%.+]], i8** [[GEPP:%.+]], i64* [[GEPS:%.+]], {{.+}}getelementptr {{.+}}[1 x i{{.+}}]* [[MTYPE01]]{{.+}}, i8** null)
-  // CK19-DAG: [[GEPBP]] = getelementptr inbounds {{.+}}[[BP:%[^,]+]]
-  // CK19-DAG: [[GEPP]] = getelementptr inbounds {{.+}}[[P:%[^,]+]]
-  // CK19-DAG: [[GEPS]] = getelementptr inbounds {{.+}}[[S:%[^,]+]]
-
-  // CK19-DAG: [[BP0:%.+]] = getelementptr inbounds {{.+}}[[BP]], i{{.+}} 0, i{{.+}} 0
-  // CK19-DAG: [[P0:%.+]] = getelementptr inbounds {{.+}}[[P]], i{{.+}} 0, i{{.+}} 0
-  // CK19-DAG: [[S0:%.+]] = getelementptr inbounds {{.+}}[[S]], i{{.+}} 0, i{{.+}} 0
-  // CK19-DAG: [[CBP0:%.+]] = bitcast i8** [[BP0]] to float**
-  // CK19-DAG: [[CP0:%.+]] = bitcast i8** [[P0]] to float**
-  // CK19-DAG: store float* [[VAL0:%[^,]+]], float** [[CBP0]]
-  // CK19-DAG: store float* [[VAL0]], float** [[CP0]]
-  // CK19-DAG: store i64 [[CSVAL0:%[^,]+]], i64* [[S0]]
-  #pragma omp target update from(present: lb)
-  ;
-}
 #endif
 #endif

diff  --git a/clang/test/OpenMP/target_update_messages.cpp b/clang/test/OpenMP/target_update_messages.cpp
index 401941b63028..4092b623bdc9 100644
--- a/clang/test/OpenMP/target_update_messages.cpp
+++ b/clang/test/OpenMP/target_update_messages.cpp
@@ -1,10 +1,8 @@
-// RUN: %clang_cc1 -verify=expected,lt50,lt51 -fopenmp -fopenmp-version=45 -ferror-limit 100 -o - -std=c++11 %s -Wuninitialized
-// RUN: %clang_cc1 -verify=expected,ge50,lt51 -fopenmp -fopenmp-version=50 -ferror-limit 100 -o - -std=c++11 %s -Wuninitialized
-// RUN: %clang_cc1 -verify=expected,ge50,ge51 -fopenmp -fopenmp-version=51 -ferror-limit 100 -o - -std=c++11 %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -ferror-limit 100 -o - -std=c++11 %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -fopenmp-version=50 -ferror-limit 100 -o - -std=c++11 %s -Wuninitialized
 
-// RUN: %clang_cc1 -verify=expected,lt50,lt51 -fopenmp-simd -fopenmp-version=45 -ferror-limit 100 -o - -std=c++11 %s -Wuninitialized
-// RUN: %clang_cc1 -verify=expected,ge50,lt51 -fopenmp-simd -fopenmp-version=50 -ferror-limit 100 -o - -std=c++11 %s -Wuninitialized
-// RUN: %clang_cc1 -verify=expected,ge50,ge51 -fopenmp-simd -fopenmp-version=51 -ferror-limit 100 -o - -std=c++11 %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -ferror-limit 100 -o - -std=c++11 %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -fopenmp-version=50 -ferror-limit 100 -o - -std=c++11 %s -Wuninitialized
 
 void xxx(int argc) {
   int x; // expected-note {{initialize the variable 'x' to silence this warning}}
@@ -27,10 +25,6 @@ int tmain(T argc, S **argv) {
   return 0;
 }
 
-struct S {
-  int i;
-};
-
 int main(int argc, char **argv) {
   int m;
   #pragma omp target update // expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
@@ -40,114 +34,15 @@ int main(int argc, char **argv) {
   #pragma omp target update to(m) ] // expected-warning {{extra tokens at the end of '#pragma omp target update' are ignored}}
   #pragma omp target update to(m) ) // expected-warning {{extra tokens at the end of '#pragma omp target update' are ignored}}
 
-  #pragma omp declare mapper(id: S s) map(s.i)
-  S s;
-
-  // Check parsing with no modifiers.
-  // lt51-error at +2 {{expected expression}}
-  // lt51-error at +1 {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
-  #pragma omp target update to(: s)
-  // expected-error at +2 {{expected expression}}
-  // expected-error at +1 {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
-  #pragma omp target update to(:)
-  // expected-error at +2 2 {{expected expression}}
-  // expected-error at +1 {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
-  #pragma omp target update to(,:)
-
-  // Check parsing with one modifier.
-  // expected-error at +2 {{use of undeclared identifier 'foobar'}}
-  // expected-error at +1 {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
-  #pragma omp target update to(foobar: s)
-  // expected-error at +3 {{expected ',' or ')' in 'to' clause}}
-  // expected-error at +2 {{expected ')'}}
-  // expected-note at +1 {{to match this '('}}
-  #pragma omp target update to(m: s)
-  #pragma omp target update to(mapper(id): s)
-  // lt51-error at +2 {{use of undeclared identifier 'present'}}
-  // lt51-error at +1 {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
-  #pragma omp target update to(present: s)
-  // ge51-warning at +4 {{missing ':' after motion modifier - ignoring}}
-  // lt51-warning at +3 {{missing ':' after ) - ignoring}}
-  // expected-error at +2 {{expected expression}}
-  // expected-error at +1 {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
-  #pragma omp target update to(mapper(id) s)
-  // ge51-warning at +4 {{missing ':' after motion modifier - ignoring}}
-  // ge51-error at +3 {{expected expression}}
-  // lt51-error at +2 {{use of undeclared identifier 'present'}}
-  // expected-error at +1 {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
-  #pragma omp target update to(present s)
-  // ge51-warning at +4 {{missing ':' after motion modifier - ignoring}}
-  // lt51-warning at +3 {{missing ':' after ) - ignoring}}
-  // expected-error at +2 {{expected expression}}
-  // expected-error at +1 {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
-  #pragma omp target update to(mapper(id))
-  // ge51-warning at +4 {{missing ':' after motion modifier - ignoring}}
-  // ge51-error at +3 {{expected expression}}
-  // lt51-error at +2 {{use of undeclared identifier 'present'}}
-  // expected-error at +1 {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
-  #pragma omp target update to(present)
-  // expected-error at +2 {{expected expression}}
-  // expected-error at +1 {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
-  #pragma omp target update to(mapper(id):)
-  // ge51-error at +3 {{expected expression}}
-  // lt51-error at +2 {{use of undeclared identifier 'present'}}
-  // expected-error at +1 {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
-  #pragma omp target update to(present:)
-
-  // Check parsing with two modifiers.
-  // lt51-warning at +1 {{missing ':' after ) - ignoring}}
-  #pragma omp target update to(mapper(id), present: s)
-  // lt51-error at +3 {{use of undeclared identifier 'present'}}
-  // lt51-error at +2 {{use of undeclared identifier 'id'}}
-  // lt51-error at +1 {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
-  #pragma omp target update to(present, mapper(id): s)
-  // lt51-warning at +1 {{missing ':' after ) - ignoring}}
-  #pragma omp target update to(mapper(id) present: s)
-  // lt51-error at +2 {{use of undeclared identifier 'present'}}
-  // lt51-error at +1 {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
-  #pragma omp target update to(present mapper(id): s)
-
-  // Check parsing with unnecessary commas.
-  // lt51-warning at +1 {{missing ':' after ) - ignoring}}
-  #pragma omp target update to(mapper(id),: s)
-  // lt51-error at +3 {{use of undeclared identifier 'present'}}
-  // lt51-error at +2 {{expected expression}}
-  // lt51-error at +1 {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
-  #pragma omp target update to(present , : s)
-  // ge51-warning at +2 {{missing ':' after motion modifier - ignoring}}
-  // lt51-warning at +1 {{missing ':' after ) - ignoring}}
-  #pragma omp target update to(mapper(id),,: s)
-  // ge51-warning at +5 {{missing ':' after motion modifier - ignoring}}
-  // lt51-error at +4 {{use of undeclared identifier 'present'}}
-  // lt51-error at +3 {{expected expression}}
-  // lt51-error at +2 {{expected expression}}
-  // lt51-error at +1 {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
-  #pragma omp target update to(present,,: s)
-  // lt51-warning at +1 {{missing ':' after ) - ignoring}}
-  #pragma omp target update to(mapper(id), present,: s)
-  // lt51-error at +4 {{use of undeclared identifier 'present'}}
-  // lt51-error at +3 {{use of undeclared identifier 'id'}}
-  // lt51-error at +2 {{expected expression}}
-  // lt51-error at +1 {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
-  #pragma omp target update to(present, mapper(id),: s)
-
   #pragma omp target update from(m) allocate(m) // expected-error {{unexpected OpenMP clause 'allocate' in directive '#pragma omp target update'}}
   {
     foo();
   }
 
   int iarr[5][5];
-// ge50-error at +4 {{section stride is evaluated to a non-positive value -1}}
-// lt50-error at +3 {{expected ']'}}
-// lt50-note at +2 {{to match this '['}}
-// expected-error at +1 {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
-#pragma omp target update to(iarr[0:][1:2:-1])
+#pragma omp target update to(iarr[0:][1:2:-1]) // omp50-error {{section stride is evaluated to a non-positive value -1}} omp45-error {{expected ']'}} omp45-note {{to match this '['}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
   {}
-// ge50-error at +4 {{section stride is evaluated to a non-positive value -1}}
-// lt50-error at +3 {{expected ']'}}
-// lt50-note at +2 {{to match this '['}}
-// expected-error at +1 {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
-#pragma omp target update from(iarr[0:][1:2:-1])
+#pragma omp target update from(iarr[0:][1:2:-1]) // omp50-error {{section stride is evaluated to a non-positive value -1}} omp45-error {{expected ']'}} omp45-note {{to match this '['}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
 
   return tmain(argc, argv);
 }


        


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