Index: lib/CodeGen/CGLoopInfo.h
===================================================================
--- lib/CodeGen/CGLoopInfo.h
+++ lib/CodeGen/CGLoopInfo.h
@@ -84,6 +84,21 @@
   /// Get the set of attributes active for this loop.
   const LoopAttributes &getAttributes() const { return Attrs; }
 
+  /// Update the LoopID properties using information collected during codegen of
+  /// the loop's body.
+  void updateLoopMetadata() const;
+
+  /// Return this loop's access group or nullptr if it does not have one.
+  llvm::MDNode *getAccessGroup() const { return AccGroup; }
+
+  /// Return the list of all access groups within this loop.
+  llvm::ArrayRef<llvm::MDNode *> getNestedAccGroups() const {
+    return NestedAccGroups;
+  }
+
+  /// Add the access groups of nested loops.
+  void addAccGroups(llvm::ArrayRef<llvm::MDNode *> NestedGroups);
+
 private:
   /// Loop ID metadata.
   llvm::MDNode *LoopID;
@@ -91,6 +106,11 @@
   llvm::BasicBlock *Header;
   /// The attributes for this loop.
   LoopAttributes Attrs;
+  /// The access group for memory accesses within this loop.
+  llvm::MDNode *AccGroup = nullptr;
+  /// List of a all access groups within and including this loop; includes
+  /// access groups for nested loops.
+  llvm::SmallVector<llvm::MDNode *, 4> NestedAccGroups;
 };
 
 /// A stack of loop information corresponding to loop nesting levels.
Index: lib/CodeGen/CGLoopInfo.cpp
===================================================================
--- lib/CodeGen/CGLoopInfo.cpp
+++ lib/CodeGen/CGLoopInfo.cpp
@@ -21,7 +21,7 @@
 
 static MDNode *createMetadata(LLVMContext &Ctx, const LoopAttributes &Attrs,
                               const llvm::DebugLoc &StartLoc,
-                              const llvm::DebugLoc &EndLoc) {
+                              const llvm::DebugLoc &EndLoc, MDNode *&AccGroup) {
 
   if (!Attrs.IsParallel && Attrs.VectorizeWidth == 0 &&
       Attrs.InterleaveCount == 0 && Attrs.UnrollCount == 0 &&
@@ -122,6 +122,12 @@
     Args.push_back(MDNode::get(Ctx, Vals));
   }
 
+  if (Attrs.IsParallel) {
+    AccGroup = MDNode::getDistinct(Ctx, {});
+    Args.push_back(MDNode::get(
+        Ctx, {MDString::get(Ctx, "llvm.loop.parallel_accesses"), AccGroup}));
+  }
+
   // Set the first operand to itself.
   MDNode *LoopID = MDNode::get(Ctx, Args);
   LoopID->replaceOperandWith(0, LoopID);
@@ -150,7 +156,10 @@
 LoopInfo::LoopInfo(BasicBlock *Header, const LoopAttributes &Attrs,
                    const llvm::DebugLoc &StartLoc, const llvm::DebugLoc &EndLoc)
     : LoopID(nullptr), Header(Header), Attrs(Attrs) {
-  LoopID = createMetadata(Header->getContext(), Attrs, StartLoc, EndLoc);
+  LoopID =
+      createMetadata(Header->getContext(), Attrs, StartLoc, EndLoc, AccGroup);
+  if (AccGroup)
+    NestedAccGroups.push_back(AccGroup);
 }
 
 void LoopInfoStack::push(BasicBlock *Header, const llvm::DebugLoc &StartLoc,
@@ -322,12 +331,63 @@
   push(Header, StartLoc, EndLoc);
 }
 
+void LoopInfo::updateLoopMetadata() const {
+  // We may have collected additional access groups from nested loops. Update
+  // llvm.loop.parallel_accesses to include these accesses. At the moment a loop
+  // has an access group iff it is parallel such that the last propert already
+  // is a "llvm.loop.parallel_accesses".
+  if (AccGroup && NestedAccGroups.size() >= 2) {
+    LLVMContext &Ctx = AccGroup->getContext();
+    MDNode *LoopID = getLoopID();
+    unsigned LastOp = LoopID->getNumOperands() - 1;
+    assert(
+        cast<MDString>(
+            cast<MDNode>(LoopID->getOperand(LastOp).get())->getOperand(0).get())
+            ->getString() == "llvm.loop.parallel_accesses");
+
+    SmallVector<Metadata *, 4> Args;
+    Args.reserve(1 + NestedAccGroups.size());
+    Args.push_back(MDString::get(Ctx, "llvm.loop.parallel_accesses"));
+    for (MDNode *InnerGroup : NestedAccGroups)
+      Args.push_back(InnerGroup);
+
+    MDNode *ParallelAccesses = MDNode::get(Ctx, Args);
+    LoopID->replaceOperandWith(LastOp, ParallelAccesses);
+  }
+}
+
+void LoopInfo::addAccGroups(ArrayRef<llvm::MDNode *> NestedGroups) {
+  NestedAccGroups.insert(NestedAccGroups.end(), NestedGroups.begin(),
+                         NestedGroups.end());
+}
+
 void LoopInfoStack::pop() {
   assert(!Active.empty() && "No active loops to pop");
+
+  const LoopInfo &Front = getInfo();
+  Front.updateLoopMetadata();
+
+  // Inherit access groups.
+  if (Active.size() >= 2) {
+    LoopInfo &NewFront = reverse(Active).begin()[1];
+    NewFront.addAccGroups(Front.getNestedAccGroups());
+  }
+
   Active.pop_back();
 }
 
 void LoopInfoStack::InsertHelper(Instruction *I) const {
+  if (I->mayReadOrWriteMemory()) {
+    /// Add this memory access instruction to the innermost loop that has an
+    /// access group.
+    for (const LoopInfo &AL : reverse(Active)) {
+      if (MDNode *Group = AL.getAccessGroup()) {
+        I->setMetadata("llvm.access.group", Group);
+        break;
+      }
+    }
+  }
+
   if (!hasInfo())
     return;
 
@@ -343,18 +403,4 @@
       }
     return;
   }
-
-  if (I->mayReadOrWriteMemory()) {
-    SmallVector<Metadata *, 2> ParallelLoopIDs;
-    for (const LoopInfo &AL : Active)
-      if (AL.getAttributes().IsParallel)
-        ParallelLoopIDs.push_back(AL.getLoopID());
-
-    MDNode *ParallelMD = nullptr;
-    if (ParallelLoopIDs.size() == 1)
-      ParallelMD = cast<MDNode>(ParallelLoopIDs[0]);
-    else if (ParallelLoopIDs.size() >= 2)
-      ParallelMD = MDNode::get(I->getContext(), ParallelLoopIDs);
-    I->setMetadata("llvm.mem.parallel_loop_access", ParallelMD);
-  }
 }
Index: test/CodeGenCXX/pragma-loop-safety-nested.cpp
===================================================================
--- test/CodeGenCXX/pragma-loop-safety-nested.cpp
+++ test/CodeGenCXX/pragma-loop-safety-nested.cpp
@@ -1,7 +1,7 @@
 // RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -emit-llvm -o - %s | FileCheck %s
 
-// Verify that the inner access is tagged with a parallel_loop_access
-// for the inner and outer loop using a list.
+// Verify that the outer loop has the llvm.access.group property for the
+// accesses outside and inside the inner loop.
 void vectorize_nested_test(int *List, int Length) {
 #pragma clang loop vectorize(assume_safety) interleave(disable) unroll(disable)
   for (int i = 0; i < Length; ++i) {
@@ -11,11 +11,17 @@
   }
 }
 
+
+// CHECK: load i32, i32* %Length.addr, align 4, !llvm.access.group ![[ACCESS_GROUP_2:[0-9]+]]
+
 // CHECK: %[[MUL:.+]] = mul
-// CHECK: store i32 %[[MUL]], i32* %{{.+}}, !llvm.mem.parallel_loop_access ![[PARALLEL_LIST:[0-9]+]]
+// CHECK: store i32 %[[MUL]], i32* %{{.+}}, !llvm.access.group ![[ACCESS_GROUP_3:[0-9]+]]
 // CHECK: br label %{{.+}}, !llvm.loop ![[INNER_LOOPID:[0-9]+]]
 // CHECK: br label %{{.+}}, !llvm.loop ![[OUTER_LOOPID:[0-9]+]]
 
-// CHECK: ![[OUTER_LOOPID]] = distinct !{![[OUTER_LOOPID]],
-// CHECK: ![[PARALLEL_LIST]] = !{![[OUTER_LOOPID]], ![[INNER_LOOPID]]}
-// CHECK: ![[INNER_LOOPID]] = distinct !{![[INNER_LOOPID]],
+// CHECK: ![[ACCESS_GROUP_2]] = distinct !{}
+// CHECK: ![[ACCESS_GROUP_3]] = distinct !{}
+// CHECK: ![[INNER_LOOPID]] = distinct !{![[INNER_LOOPID]], {{.*}} ![[PARALLEL_ACCESSES_8:[0-9]+]]}
+// CHECK: ![[PARALLEL_ACCESSES_8]] = !{!"llvm.loop.parallel_accesses", ![[ACCESS_GROUP_3]]}
+// CHECK: ![[OUTER_LOOPID]] = distinct !{![[OUTER_LOOPID]], {{.*}} ![[PARALLEL_ACCESSES_10:[0-9]+]]}
+// CHECK: ![[PARALLEL_ACCESSES_10]] = !{!"llvm.loop.parallel_accesses", ![[ACCESS_GROUP_2]], ![[ACCESS_GROUP_3]]}
Index: test/CodeGenCXX/pragma-loop-safety-outer.cpp
===================================================================
--- test/CodeGenCXX/pragma-loop-safety-outer.cpp
+++ test/CodeGenCXX/pragma-loop-safety-outer.cpp
@@ -1,7 +1,7 @@
 // RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -emit-llvm -o - %s | FileCheck %s
 
-// Verify that the inner access is tagged with a parallel_loop_access
-// for the outer loop.
+// Verify that the outer loop has the inner loop's access in its
+// llvm.loop.parallel_accesses property.
 void vectorize_outer_test(int *List, int Length) {
 #pragma clang loop vectorize(assume_safety) interleave(disable) unroll(disable)
   for (int i = 0; i < Length; i += 2) {
@@ -12,9 +12,11 @@
 }
 
 // CHECK: %[[MUL:.+]] = mul
-// CHECK: store i32 %[[MUL]], i32* %{{.+}}, !llvm.mem.parallel_loop_access ![[OUTER_LOOPID:[0-9]+]]
+// CHECK: store i32 %[[MUL]], i32* %{{.+}}, !llvm.access.group ![[ACCESS_GROUP_2:[0-9]+]]
 // CHECK: br label %{{.+}}, !llvm.loop ![[INNER_LOOPID:[0-9]+]]
-// CHECK: br label %{{.+}}, !llvm.loop ![[OUTER_LOOPID]]
+// CHECK: br label %{{.+}}, !llvm.loop ![[OUTER_LOOPID:[0-9]+]]
 
-// CHECK: ![[OUTER_LOOPID]] = distinct !{![[OUTER_LOOPID]],
+// CHECK: ![[ACCESS_GROUP_2]] = distinct !{}
 // CHECK: ![[INNER_LOOPID]] = distinct !{![[INNER_LOOPID]],
+// CHECK: ![[OUTER_LOOPID]] = distinct !{![[OUTER_LOOPID]], {{.*}} ![[PARALLEL_ACCESSES_9:[0-9]+]]}
+// CHECK: ![[PARALLEL_ACCESSES_9]] = !{!"llvm.loop.parallel_accesses", ![[ACCESS_GROUP_2]]}
Index: test/CodeGenCXX/pragma-loop-safety.cpp
===================================================================
--- test/CodeGenCXX/pragma-loop-safety.cpp
+++ test/CodeGenCXX/pragma-loop-safety.cpp
@@ -3,19 +3,19 @@
 // Verify assume_safety vectorization is recognized.
 void vectorize_test(int *List, int Length) {
 // CHECK: define {{.*}} @_Z14vectorize_test
-// CHECK: [[LOAD1_IV:.+]] = load i32, i32* [[IV1:[^,]+]], {{.*}}!llvm.mem.parallel_loop_access ![[LOOP1_ID:[0-9]+]]
-// CHECK-NEXT: [[LOAD1_LEN:.+]] = load i32, i32* [[LEN1:.+]], {{.*}}!llvm.mem.parallel_loop_access ![[LOOP1_ID]]
+// CHECK: [[LOAD1_IV:.+]] = load i32, i32* [[IV1:[^,]+]], {{.*}}!llvm.access.group ![[ACCESS_GROUP_2:[0-9]+]]
+// CHECK-NEXT: [[LOAD1_LEN:.+]] = load i32, i32* [[LEN1:.+]], {{.*}}!llvm.access.group ![[ACCESS_GROUP_2]]
 // CHECK-NEXT: [[CMP1:.+]] = icmp slt i32[[LOAD1_IV]],[[LOAD1_LEN]]
 // CHECK-NEXT: br i1[[CMP1]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
 #pragma clang loop vectorize(assume_safety) interleave(disable) unroll(disable)
   for (int i = 0; i < Length; i++) {
-    // CHECK: [[RHIV1:.+]] = load i32, i32* [[IV1]], {{.*}}!llvm.mem.parallel_loop_access ![[LOOP1_ID]]
+    // CHECK: [[RHIV1:.+]] = load i32, i32* [[IV1]], {{.*}}!llvm.access.group ![[ACCESS_GROUP_2]]
     // CHECK-DAG: [[CALC1:.+]] = mul nsw i32[[RHIV1]], 2
-    // CHECK-DAG: [[SIV1:.+]] = load i32, i32* [[IV1]]{{.*}}!llvm.mem.parallel_loop_access ![[LOOP1_ID]]
+    // CHECK-DAG: [[SIV1:.+]] = load i32, i32* [[IV1]]{{.*}}!llvm.access.group ![[ACCESS_GROUP_2]]
     // CHECK-DAG: [[INDEX1:.+]] = sext i32[[SIV1]] to i64
-    // CHECK-DAG: [[ARRAY1:.+]] = load i32*, i32** [[LIST1:.*]], {{.*}}!llvm.mem.parallel_loop_access ![[LOOP1_ID]]
+    // CHECK-DAG: [[ARRAY1:.+]] = load i32*, i32** [[LIST1:.*]], {{.*}}!llvm.access.group ![[ACCESS_GROUP_2]]
     // CHECK-DAG: [[PTR1:.+]] = getelementptr inbounds i32, i32*[[ARRAY1]], i64[[INDEX1]]
-    // CHECK: store i32[[CALC1]], i32*[[PTR1]], {{.*}}!llvm.mem.parallel_loop_access ![[LOOP1_ID]]
+    // CHECK: store i32[[CALC1]], i32*[[PTR1]], {{.*}}!llvm.access.group ![[ACCESS_GROUP_2]]
     // CHECK-NEXT: br label [[LOOP1_INC:[^,]+]]
     List[i] = i * 2;
 
@@ -26,19 +26,19 @@
 // Verify assume_safety interleaving is recognized.
 void interleave_test(int *List, int Length) {
 // CHECK: define {{.*}} @_Z15interleave_test
-// CHECK: [[LOAD2_IV:.+]] = load i32, i32* [[IV2:[^,]+]], {{.*}}!llvm.mem.parallel_loop_access ![[LOOP2_ID:[0-9]+]]
-// CHECK-NEXT: [[LOAD2_LEN:.+]] = load i32, i32* [[LEN2:.+]], {{.*}}!llvm.mem.parallel_loop_access ![[LOOP2_ID]]
+// CHECK: [[LOAD2_IV:.+]] = load i32, i32* [[IV2:[^,]+]], {{.*}}!llvm.access.group ![[ACCESS_GROUP_8:[0-9]+]]
+// CHECK-NEXT: [[LOAD2_LEN:.+]] = load i32, i32* [[LEN2:.+]], {{.*}}!llvm.access.group ![[ACCESS_GROUP_8]]
 // CHECK-NEXT: [[CMP2:.+]] = icmp slt i32[[LOAD2_IV]],[[LOAD2_LEN]]
 // CHECK-NEXT: br i1[[CMP2]], label %[[LOOP2_BODY:[^,]+]], label %[[LOOP2_END:[^,]+]]
 #pragma clang loop interleave(assume_safety) vectorize(disable) unroll(disable)
   for (int i = 0; i < Length; i++) {
-    // CHECK: [[RHIV2:.+]] = load i32, i32* [[IV2]], {{.*}}!llvm.mem.parallel_loop_access ![[LOOP2_ID]]
+    // CHECK: [[RHIV2:.+]] = load i32, i32* [[IV2]], {{.*}}!llvm.access.group ![[ACCESS_GROUP_8]]
     // CHECK-DAG: [[CALC2:.+]] = mul nsw i32[[RHIV2]], 2
-    // CHECK-DAG: [[SIV2:.+]] = load i32, i32* [[IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[LOOP2_ID]]
+    // CHECK-DAG: [[SIV2:.+]] = load i32, i32* [[IV2]]{{.*}}!llvm.access.group ![[ACCESS_GROUP_8]]
     // CHECK-DAG: [[INDEX2:.+]] = sext i32[[SIV2]] to i64
-    // CHECK-DAG: [[ARRAY2:.+]] = load i32*, i32** [[LIST2:.*]], {{.*}}!llvm.mem.parallel_loop_access ![[LOOP2_ID]]
+    // CHECK-DAG: [[ARRAY2:.+]] = load i32*, i32** [[LIST2:.*]], {{.*}}!llvm.access.group ![[ACCESS_GROUP_8]]
     // CHECK-DAG: [[PTR2:.+]] = getelementptr inbounds i32, i32*[[ARRAY2]], i64[[INDEX2]]
-    // CHECK: store i32[[CALC2]], i32*[[PTR2]], {{.*}}!llvm.mem.parallel_loop_access ![[LOOP2_ID]]
+    // CHECK: store i32[[CALC2]], i32*[[PTR2]], {{.*}}!llvm.access.group ![[ACCESS_GROUP_8]]
     // CHECK-NEXT: br label [[LOOP2_INC:[^,]+]]
     List[i] = i * 2;
 
@@ -46,9 +46,13 @@
   }
 }
 
-// CHECK: ![[LOOP1_HINTS]] = distinct !{![[LOOP1_HINTS]], ![[INTERLEAVE_1:[0-9]+]], ![[INTENABLE_1:[0-9]+]], ![[UNROLL_DISABLE:[0-9]+]]}
+// CHECK: ![[ACCESS_GROUP_2]] = distinct !{}
+// CHECK: ![[LOOP1_HINTS]] = distinct !{![[LOOP1_HINTS]], ![[INTERLEAVE_1:[0-9]+]], ![[INTENABLE_1:[0-9]+]], ![[UNROLL_DISABLE:[0-9]+]], ![[PARALLEL_ACCESSES_7:[0-9]+]]}
 // CHECK: ![[INTERLEAVE_1]] = !{!"llvm.loop.interleave.count", i32 1}
 // CHCCK: ![[INTENABLE_1]] = !{!"llvm.loop.vectorize.enable", i1 true}
 // CHECK: ![[UNROLL_DISABLE]] = !{!"llvm.loop.unroll.disable"}
-// CHECK: ![[LOOP2_HINTS]] = distinct !{![[LOOP2_HINTS]], ![[WIDTH_1:[0-9]+]], ![[INTENABLE_1]], ![[UNROLL_DISABLE]]}
+// CHECK: ![[PARALLEL_ACCESSES_7]] = !{!"llvm.loop.parallel_accesses", ![[ACCESS_GROUP_2]]}
+// CHECK: ![[ACCESS_GROUP_8]] = distinct !{}
+// CHECK: ![[LOOP2_HINTS]] = distinct !{![[LOOP2_HINTS]], ![[WIDTH_1:[0-9]+]], ![[INTENABLE_1]], ![[UNROLL_DISABLE]], ![[PARALLEL_ACCESSES_11:[0-9]+]]}
 // CHECK: ![[WIDTH_1]] = !{!"llvm.loop.vectorize.width", i32 1}
+// CHECK: ![[PARALLEL_ACCESSES_11]] = !{!"llvm.loop.parallel_accesses", ![[ACCESS_GROUP_8]]}
Index: test/OpenMP/for_codegen.cpp
===================================================================
--- test/OpenMP/for_codegen.cpp
+++ test/OpenMP/for_codegen.cpp
@@ -73,7 +73,7 @@
 // ... loop body ...
 // End of body: store into a[i]:
 // CHECK: store float [[RESULT:%.+]], float* {{%.+}}
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
     a[i] = b[i] * c[i] * d[i];
 // CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}
 // CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i32 [[IV1_2]], 1
@@ -114,7 +114,7 @@
 // ... loop body ...
 // End of body: store into a[i]:
 // CHECK: store float [[RESULT:%.+]], float* {{%.+}}
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
     a[i] = b[i] * c[i] * d[i];
 // CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}
 // CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i32 [[IV1_2]], 1
@@ -163,7 +163,7 @@
 // ... loop body ...
 // End of body: store into a[i]:
 // CHECK: store float [[RESULT:%.+]], float* {{%.+}}
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
     a[i] = b[i] * c[i] * d[i];
 // CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}
 // CHECK-NEXT: [[ADD1_2:%.+]] = add i32 [[IV1_2]], 1
@@ -215,7 +215,7 @@
 // CHECK-NEXT: store i64 [[CALC_I_2]], i64* [[LC_I:.+]]
 // ... loop body ...
 // End of body: store into a[i]:
-// CHECK: store float [[RESULT:%.+]], float* {{%.+}}!llvm.mem.parallel_loop_access
+// CHECK: store float [[RESULT:%.+]], float* {{%.+}}!llvm.access.group
     a[i] = b[i] * c[i] * d[i];
 // CHECK: [[IV1_2:%.+]] = load i64, i64* [[OMP_IV]]{{.*}}
 // CHECK-NEXT: [[ADD1_2:%.+]] = add i64 [[IV1_2]], 1
@@ -256,7 +256,7 @@
 // CHECK-NEXT: store i64 [[CALC_I_2]], i64* [[LC_I:.+]]
 // ... loop body ...
 // End of body: store into a[i]:
-// CHECK: store float [[RESULT:%.+]], float* {{%.+}}!llvm.mem.parallel_loop_access
+// CHECK: store float [[RESULT:%.+]], float* {{%.+}}!llvm.access.group
     a[i] = b[i] * c[i] * d[i];
 // CHECK: [[IV1_2:%.+]] = load i64, i64* [[OMP_IV]]{{.*}}
 // CHECK-NEXT: [[ADD1_2:%.+]] = add i64 [[IV1_2]], 1
@@ -301,7 +301,7 @@
 // ... loop body ...
 // End of body: store into a[i]:
 // CHECK: store float [[RESULT:%.+]], float* {{%.+}}
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
     a[i] = b[i] * c[i] * d[i];
 // CHECK: [[IV1_2:%.+]] = load i64, i64* [[OMP_IV]]{{.*}}
 // CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i64 [[IV1_2]], 1
@@ -343,7 +343,7 @@
 // ... loop body ...
 // End of body: store into a[i]:
 // CHECK: store float [[RESULT:%.+]], float* {{%.+}}
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
     a[i] = b[i] * c[i] * d[i];
 // CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}
 // CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i32 [[IV1_2]], 1
Index: test/OpenMP/for_simd_codegen.cpp
===================================================================
--- test/OpenMP/for_simd_codegen.cpp
+++ test/OpenMP/for_simd_codegen.cpp
@@ -73,21 +73,21 @@
 // CHECK: [[LB_VAL:%.+]] = load i32, i32* [[LB]],
 // CHECK: store i32 [[LB_VAL]], i32* [[OMP_IV2:%[^,]+]],
 
-// CHECK: [[IV2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID:[0-9]+]]
-// CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
+// CHECK: [[IV2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.access.group
+// CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[CMP2:%.+]] = icmp sle i32 [[IV2]], [[UB_VAL]]
 // CHECK-NEXT: br i1 [[CMP2]], label %[[SIMPLE_LOOP2_BODY:.+]], label %[[SIMPLE_LOOP2_END:[^,]+]]
   for (int i = 10; i > 1; i--) {
 // CHECK: [[SIMPLE_LOOP2_BODY]]:
 // Start of body: calculate i from IV:
-// CHECK: [[IV2_0:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
+// CHECK: [[IV2_0:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.access.group
 // FIXME: It is interesting, why the following "mul 1" was not constant folded?
 // CHECK-NEXT: [[IV2_1:%.+]] = mul nsw i32 [[IV2_0]], 1
 // CHECK-NEXT: [[LC_I_1:%.+]] = sub nsw i32 10, [[IV2_1]]
-// CHECK-NEXT: store i32 [[LC_I_1]], i32* {{.+}}, !llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
+// CHECK-NEXT: store i32 [[LC_I_1]], i32* {{.+}}, !llvm.access.group
 //
-// CHECK-NEXT: [[LIN0_1:%.+]] = load i64, i64* [[LIN0]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
-// CHECK-NEXT: [[IV2_2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
+// CHECK-NEXT: [[LIN0_1:%.+]] = load i64, i64* [[LIN0]]{{.*}}!llvm.access.group
+// CHECK-NEXT: [[IV2_2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[LIN_MUL1:%.+]] = mul nsw i32 [[IV2_2]], 3
 // CHECK-NEXT: [[LIN_EXT1:%.+]] = sext i32 [[LIN_MUL1]] to i64
 // CHECK-NEXT: [[LIN_ADD1:%.+]] = add nsw i64 [[LIN0_1]], [[LIN_EXT1]]
@@ -95,9 +95,9 @@
 // CHECK-NEXT: store i64 [[LIN_ADD1]], i64* [[K_PRIVATIZED:%[^,]+]]
     a[k]++;
     k = k + 3;
-// CHECK: [[IV2_2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
+// CHECK: [[IV2_2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[ADD2_2:%.+]] = add nsw i32 [[IV2_2]], 1
-// CHECK-NEXT: store i32 [[ADD2_2]], i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
+// CHECK-NEXT: store i32 [[ADD2_2]], i32* [[OMP_IV2]]{{.*}}!llvm.access.group
 // br label {{.+}}, !llvm.loop ![[SIMPLE_LOOP2_ID]]
   }
 // CHECK: [[SIMPLE_LOOP2_END]]:
Index: test/OpenMP/loops_explicit_clauses_codegen.cpp
===================================================================
--- test/OpenMP/loops_explicit_clauses_codegen.cpp
+++ test/OpenMP/loops_explicit_clauses_codegen.cpp
@@ -39,18 +39,18 @@
       ;
   foo();
 // CHECK: @{{.+}}foo
-// CHECK-NOT: @k{{.+}}!llvm.mem.parallel_loop_access
-// CHECK: i32 @{{.+}}bar{{.+}}!llvm.mem.parallel_loop_access
-// CHECK-NOT: @k{{.+}}!llvm.mem.parallel_loop_access
+// CHECK-NOT: @k{{.+}}!llvm.access.group
+// CHECK: i32 @{{.+}}bar{{.+}}!llvm.access.group
+// CHECK-NOT: @k{{.+}}!llvm.access.group
 // CHECK: sdiv i32
 // CHECK: store i32 %{{.+}}, i32* @k,
 #pragma omp simd linear(k : 2)
   for (k = 0; k < argc; k++)
     bar();
 // CHECK: @{{.+}}foo
-// CHECK-NOT: @k{{.+}}!llvm.mem.parallel_loop_access
-// CHECK: i32 @{{.+}}bar{{.+}}!llvm.mem.parallel_loop_access
-// CHECK-NOT: @k{{.+}}!llvm.mem.parallel_loop_access
+// CHECK-NOT: @k{{.+}}!llvm.access.group
+// CHECK: i32 @{{.+}}bar{{.+}}!llvm.access.group
+// CHECK-NOT: @k{{.+}}!llvm.access.group
 // CHECK: sdiv i32
 // CHECK: store i32 %{{.+}}, i32* @k,
   foo();
@@ -60,9 +60,9 @@
      bar() ;
   foo();
 // CHECK: @{{.+}}foo
-// CHECK-NOT: @k{{.+}}!llvm.mem.parallel_loop_access
-// CHECK: i32 @{{.+}}bar{{.+}}!llvm.mem.parallel_loop_access
-// CHECK-NOT: @k{{.+}}!llvm.mem.parallel_loop_access
+// CHECK-NOT: @k{{.+}}!llvm.access.group
+// CHECK: i32 @{{.+}}bar{{.+}}!llvm.access.group
+// CHECK-NOT: @k{{.+}}!llvm.access.group
 // CHECK: sdiv i32
 // CHECK: store i32 %{{.+}}, i32* @k,
 #pragma omp simd
@@ -70,9 +70,9 @@
     bar();
   foo();
 // CHECK: @{{.+}}foo
-// CHECK-NOT: @k{{.+}}!llvm.mem.parallel_loop_access
-// CHECK: i32 @{{.+}}bar{{.+}}!llvm.mem.parallel_loop_access
-// CHECK-NOT: @k{{.+}}!llvm.mem.parallel_loop_access
+// CHECK-NOT: @k{{.+}}!llvm.access.group
+// CHECK: i32 @{{.+}}bar{{.+}}!llvm.access.group
+// CHECK-NOT: @k{{.+}}!llvm.access.group
 // CHECK: sdiv i32
 // CHECK: store i32 %{{.+}}, i32* @k,
 #pragma omp simd collapse(2)
@@ -110,7 +110,7 @@
 // CHECK: getelementptr inbounds %struct.S, %struct.S* %{{.+}}, i32 0, i32 0
 // CHECK: br i1
 // CHECK-NOT: getelementptr inbounds %struct.S, %struct.S* %{{.+}}, i32 0, i32 0
-// CHECK: i32 @{{.+}}bar{{.+}}!llvm.mem.parallel_loop_access
+// CHECK: i32 @{{.+}}bar{{.+}}!llvm.access.group
 // CHECK-NOT: getelementptr inbounds %struct.S, %struct.S* %{{.+}}, i32 0, i32 0
 // CHECK: add nsw i32 %{{.+}}, 1
 // CHECK: br label {{.+}}, !llvm.loop
@@ -123,7 +123,7 @@
 // CHECK: getelementptr inbounds %struct.S, %struct.S* %{{.+}}, i32 0, i32 0
 // CHECK: br i1
 // CHECK-NOT: getelementptr inbounds %struct.S, %struct.S* %{{.+}}, i32 0, i32 0
-// CHECK: i32 @{{.+}}bar{{.+}}!llvm.mem.parallel_loop_access
+// CHECK: i32 @{{.+}}bar{{.+}}!llvm.access.group
 // CHECK-NOT: getelementptr inbounds %struct.S, %struct.S* %{{.+}}, i32 0, i32 0
 // CHECK: add nsw i64 %{{.+}}, 1
 // CHECK: br label {{.+}}, !llvm.loop
@@ -137,7 +137,7 @@
 // CHECK-NOT: getelementptr inbounds %struct.S, %struct.S* %{{.+}}, i32 0, i32 0
 // CHECK: br i1
 // CHECK-NOT: getelementptr inbounds %struct.S, %struct.S* %{{.+}}, i32 0, i32 0
-// CHECK: i32 @{{.+}}bar{{.+}}!llvm.mem.parallel_loop_access
+// CHECK: i32 @{{.+}}bar{{.+}}!llvm.access.group
 // CHECK-NOT: getelementptr inbounds %struct.S, %struct.S* %{{.+}}, i32 0, i32 0
 // CHECK: add nsw i32 %{{.+}}, 1
 // CHECK: br label {{.+}}, !llvm.loop
@@ -150,7 +150,7 @@
 // CHECK-NOT: getelementptr inbounds %struct.S, %struct.S* %{{.+}}, i32 0, i32 0
 // CHECK: br i1
 // CHECK-NOT: getelementptr inbounds %struct.S, %struct.S* %{{.+}}, i32 0, i32 0
-// CHECK: i32 @{{.+}}bar{{.+}}!llvm.mem.parallel_loop_access
+// CHECK: i32 @{{.+}}bar{{.+}}!llvm.access.group
 // CHECK-NOT: getelementptr inbounds %struct.S, %struct.S* %{{.+}}, i32 0, i32 0
 // CHECK: add nsw i64 %{{.+}}, 1
 // CHECK: br label {{.+}}, !llvm.loop
Index: test/OpenMP/ordered_codegen.cpp
===================================================================
--- test/OpenMP/ordered_codegen.cpp
+++ test/OpenMP/ordered_codegen.cpp
@@ -44,7 +44,7 @@
 // ... loop body ...
 // End of body: store into a[i]:
 // CHECK: store float [[RESULT:%.+]], float* {{%.+}}
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK-NEXT: call void @__kmpc_end_ordered([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
 // ... end of ordered region ...
     #pragma omp ordered
@@ -93,7 +93,7 @@
 // ... loop body ...
 // End of body: store into a[i]:
 // CHECK: store float [[RESULT:%.+]], float* {{%.+}}
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK-NEXT: call void @__kmpc_end_ordered([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
 // ... end of ordered region ...
     #pragma omp ordered threads
@@ -147,7 +147,7 @@
 // ... loop body ...
 // End of body: store into a[i]:
 // CHECK: store float [[RESULT:%.+]], float* {{%.+}}
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK-NEXT: call void @__kmpc_end_ordered([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
 // ... end of ordered region ...
     #pragma omp ordered
@@ -198,7 +198,7 @@
 // ... loop body ...
 // End of body: store into a[i]:
 // CHECK: store float [[RESULT:%.+]], float* {{%.+}}
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK-NEXT: call void @__kmpc_end_ordered([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
 // ... end of ordered region ...
     #pragma omp ordered threads
@@ -220,8 +220,8 @@
 float f[10];
 // CHECK-LABEL: foo_simd
 void foo_simd(int low, int up) {
-  // CHECK: store float 0.000000e+00, float* %{{.+}}, align {{[0-9]+}}, !llvm.mem.parallel_loop_access !
-  // CHECK-NEXT: call void [[CAP_FUNC:@.+]](i32* %{{.+}}), !llvm.mem.parallel_loop_access !
+  // CHECK: store float 0.000000e+00, float* %{{.+}}, align {{[0-9]+}}, !llvm.access.group !
+  // CHECK-NEXT: call void [[CAP_FUNC:@.+]](i32* %{{.+}}), !llvm.access.group !
 #pragma omp simd
   for (int i = low; i < up; ++i) {
     f[i] = 0.0;
Index: test/OpenMP/parallel_for_simd_codegen.cpp
===================================================================
--- test/OpenMP/parallel_for_simd_codegen.cpp
+++ test/OpenMP/parallel_for_simd_codegen.cpp
@@ -83,21 +83,21 @@
 // CHECK: [[LB_VAL:%.+]] = load i32, i32* [[LB]],
 // CHECK: store i32 [[LB_VAL]], i32* [[OMP_IV2:%[^,]+]],
 
-// CHECK: [[IV2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID:[0-9]+]]
-// CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
+// CHECK: [[IV2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.access.group
+// CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[CMP2:%.+]] = icmp sle i32 [[IV2]], [[UB_VAL]]
 // CHECK-NEXT: br i1 [[CMP2]], label %[[SIMPLE_LOOP2_BODY:.+]], label %[[SIMPLE_LOOP2_END:[^,]+]]
   for (int i = 10; i > 1; i--) {
 // CHECK: [[SIMPLE_LOOP2_BODY]]:
 // Start of body: calculate i from IV:
-// CHECK: [[IV2_0:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
+// CHECK: [[IV2_0:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.access.group
 // FIXME: It is interesting, why the following "mul 1" was not constant folded?
 // CHECK-NEXT: [[IV2_1:%.+]] = mul nsw i32 [[IV2_0]], 1
 // CHECK-NEXT: [[LC_I_1:%.+]] = sub nsw i32 10, [[IV2_1]]
-// CHECK-NEXT: store i32 [[LC_I_1]], i32* {{.+}}, !llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
+// CHECK-NEXT: store i32 [[LC_I_1]], i32* {{.+}}, !llvm.access.group
 //
-// CHECK-NEXT: [[LIN0_1:%.+]] = load i64, i64* [[LIN0]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
-// CHECK-NEXT: [[IV2_2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
+// CHECK-NEXT: [[LIN0_1:%.+]] = load i64, i64* [[LIN0]]{{.*}}!llvm.access.group
+// CHECK-NEXT: [[IV2_2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[LIN_MUL1:%.+]] = mul nsw i32 [[IV2_2]], 3
 // CHECK-NEXT: [[LIN_EXT1:%.+]] = sext i32 [[LIN_MUL1]] to i64
 // CHECK-NEXT: [[LIN_ADD1:%.+]] = add nsw i64 [[LIN0_1]], [[LIN_EXT1]]
@@ -105,9 +105,9 @@
 // CHECK-NEXT: store i64 [[LIN_ADD1]], i64* [[K_PRIVATIZED:%[^,]+]]
     a[k]++;
     k = k + 3;
-// CHECK: [[IV2_2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
+// CHECK: [[IV2_2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[ADD2_2:%.+]] = add nsw i32 [[IV2_2]], 1
-// CHECK-NEXT: store i32 [[ADD2_2]], i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
+// CHECK-NEXT: store i32 [[ADD2_2]], i32* [[OMP_IV2]]{{.*}}!llvm.access.group
 // br label {{.+}}, !llvm.loop ![[SIMPLE_LOOP2_ID]]
   }
 // CHECK: [[SIMPLE_LOOP2_END]]:
Index: test/OpenMP/schedule_codegen.cpp
===================================================================
--- test/OpenMP/schedule_codegen.cpp
+++ test/OpenMP/schedule_codegen.cpp
@@ -5,191 +5,191 @@
 
 int main() {
 // CHECK: @__kmpc_for_static_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK: @__kmpc_for_static_fini
 #pragma omp for
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_for_static_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK: @__kmpc_for_static_fini
 #pragma omp for simd
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_for_static_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK: @__kmpc_for_static_fini
 #pragma omp for schedule(static)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_for_static_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK: @__kmpc_for_static_fini
 #pragma omp for simd schedule(static)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_for_static_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK: @__kmpc_for_static_fini
 #pragma omp for schedule(static, 2)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_for_static_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK: @__kmpc_for_static_fini
 #pragma omp for simd schedule(static, 2)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK: !llvm.mem.parallel_loop_access
+// CHECK: !llvm.access.group
 #pragma omp for schedule(auto)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK: !llvm.mem.parallel_loop_access
+// CHECK: !llvm.access.group
 #pragma omp for simd schedule(auto)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK: !llvm.mem.parallel_loop_access
+// CHECK: !llvm.access.group
 #pragma omp for schedule(runtime)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK: !llvm.mem.parallel_loop_access
+// CHECK: !llvm.access.group
 #pragma omp for simd schedule(runtime)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK: !llvm.mem.parallel_loop_access
+// CHECK: !llvm.access.group
 #pragma omp for schedule(guided)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK: !llvm.mem.parallel_loop_access
+// CHECK: !llvm.access.group
 #pragma omp for simd schedule(guided)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK: !llvm.mem.parallel_loop_access
+// CHECK: !llvm.access.group
 #pragma omp for schedule(dynamic)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK: !llvm.mem.parallel_loop_access
+// CHECK: !llvm.access.group
 #pragma omp for simd schedule(dynamic)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_for_static_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK: @__kmpc_for_static_fini
 #pragma omp for schedule(monotonic: static)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_for_static_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK: @__kmpc_for_static_fini
 #pragma omp for simd schedule(monotonic: static)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_for_static_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK: @__kmpc_for_static_fini
 #pragma omp for schedule(monotonic: static, 2)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_for_static_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK: @__kmpc_for_static_fini
 #pragma omp for simd schedule(monotonic: static, 2)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 #pragma omp for schedule(monotonic: auto)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 #pragma omp for simd schedule(monotonic: auto)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 #pragma omp for schedule(monotonic: runtime)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 #pragma omp for simd schedule(monotonic: runtime)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 #pragma omp for schedule(monotonic: guided)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 #pragma omp for simd schedule(monotonic: guided)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 #pragma omp for schedule(monotonic: dynamic)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 #pragma omp for simd schedule(monotonic: dynamic)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK: !llvm.mem.parallel_loop_access
+// CHECK: !llvm.access.group
 #pragma omp for schedule(nonmonotonic: guided)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK: !llvm.mem.parallel_loop_access
+// CHECK: !llvm.access.group
 #pragma omp for simd schedule(nonmonotonic: guided)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK: !llvm.mem.parallel_loop_access
+// CHECK: !llvm.access.group
 #pragma omp for schedule(nonmonotonic: dynamic)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK: !llvm.mem.parallel_loop_access
+// CHECK: !llvm.access.group
 #pragma omp for simd schedule(nonmonotonic: dynamic)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK: @__kmpc_dispatch_next
 #pragma omp for schedule(static) ordered
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK: @__kmpc_dispatch_next
 #pragma omp for simd schedule(static) ordered
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK: @__kmpc_dispatch_next
 #pragma omp for schedule(static, 2) ordered(1)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK: @__kmpc_dispatch_next
 #pragma omp for simd schedule(static, 2) ordered
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK: @__kmpc_dispatch_next
 #pragma omp for schedule(auto) ordered(1)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 #pragma omp for simd schedule(auto) ordered
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK: @__kmpc_dispatch_next
 #pragma omp for schedule(runtime) ordered
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK: @__kmpc_dispatch_next
 #pragma omp for simd schedule(runtime) ordered
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK: @__kmpc_dispatch_next
 #pragma omp for schedule(guided) ordered(1)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK: @__kmpc_dispatch_next
 #pragma omp for simd schedule(guided) ordered
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK: @__kmpc_dispatch_next
 #pragma omp for schedule(dynamic) ordered(1)
   for(int i = 0; i < 10; ++i);
 // CHECK: @__kmpc_dispatch_init
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK: @__kmpc_dispatch_next
 #pragma omp for simd schedule(dynamic)
   for(int i = 0; i < 10; ++i);
Index: test/OpenMP/simd_codegen.cpp
===================================================================
--- test/OpenMP/simd_codegen.cpp
+++ test/OpenMP/simd_codegen.cpp
@@ -21,23 +21,23 @@
   #pragma omp simd
 // CHECK: store i32 0, i32* [[OMP_IV:%[^,]+]]
 
-// CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP1_ID:[0-9]+]]
+// CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[CMP:%.+]] = icmp slt i32 [[IV]], 6
 // CHECK-NEXT: br i1 [[CMP]], label %[[SIMPLE_LOOP1_BODY:.+]], label %[[SIMPLE_LOOP1_END:[^,]+]]
   for (int i = 3; i < 32; i += 5) {
 // CHECK: [[SIMPLE_LOOP1_BODY]]:
 // Start of body: calculate i from IV:
-// CHECK: [[IV1_1:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP1_ID]]
+// CHECK: [[IV1_1:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
 // CHECK: [[CALC_I_1:%.+]] = mul nsw i32 [[IV1_1]], 5
 // CHECK-NEXT: [[CALC_I_2:%.+]] = add nsw i32 3, [[CALC_I_1]]
-// CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP1_ID]]
+// CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]]{{.*}}!llvm.access.group
 // ... loop body ...
 // End of body: store into a[i]:
-// CHECK: store float [[RESULT:%.+]], float* {{%.+}}{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP1_ID]]
+// CHECK: store float [[RESULT:%.+]], float* {{%.+}}{{.*}}!llvm.access.group
     a[i] = b[i] * c[i] * d[i];
-// CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP1_ID]]
+// CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i32 [[IV1_2]], 1
-// CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP1_ID]]
+// CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]]{{.*}}!llvm.access.group
 // br label %{{.+}}, !llvm.loop !{{.+}}
   }
 // CHECK: [[SIMPLE_LOOP1_END]]:
@@ -51,20 +51,20 @@
 // CHECK: [[K0LOAD:%.+]] = load i64, i64* [[K_VAR]]
 // CHECK-NEXT: store i64 [[K0LOAD]], i64* [[LIN0:%[^,]+]]
 
-// CHECK: [[IV2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID:[0-9]+]]
+// CHECK: [[IV2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[CMP2:%.+]] = icmp slt i32 [[IV2]], 9
 // CHECK-NEXT: br i1 [[CMP2]], label %[[SIMPLE_LOOP2_BODY:.+]], label %[[SIMPLE_LOOP2_END:[^,]+]]
   for (int i = 10; i > 1; i--) {
 // CHECK: [[SIMPLE_LOOP2_BODY]]:
 // Start of body: calculate i from IV:
-// CHECK: [[IV2_0:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
+// CHECK: [[IV2_0:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.access.group
 // FIXME: It is interesting, why the following "mul 1" was not constant folded?
 // CHECK-NEXT: [[IV2_1:%.+]] = mul nsw i32 [[IV2_0]], 1
 // CHECK-NEXT: [[LC_I_1:%.+]] = sub nsw i32 10, [[IV2_1]]
-// CHECK-NEXT: store i32 [[LC_I_1]], i32* {{.+}}, !llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
+// CHECK-NEXT: store i32 [[LC_I_1]], i32* {{.+}}, !llvm.access.group
 //
-// CHECK-NEXT: [[LIN0_1:%.+]] = load i64, i64* [[LIN0]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
-// CHECK-NEXT: [[IV2_2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
+// CHECK-NEXT: [[LIN0_1:%.+]] = load i64, i64* [[LIN0]]{{.*}}!llvm.access.group
+// CHECK-NEXT: [[IV2_2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[LIN_MUL1:%.+]] = mul nsw i32 [[IV2_2]], 3
 // CHECK-NEXT: [[LIN_EXT1:%.+]] = sext i32 [[LIN_MUL1]] to i64
 // CHECK-NEXT: [[LIN_ADD1:%.+]] = add nsw i64 [[LIN0_1]], [[LIN_EXT1]]
@@ -72,9 +72,9 @@
 // CHECK-NEXT: store i64 [[LIN_ADD1]], i64* [[K_PRIVATIZED:%[^,]+]]
     a[k]++;
     k = k + 3;
-// CHECK: [[IV2_2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
+// CHECK: [[IV2_2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[ADD2_2:%.+]] = add nsw i32 [[IV2_2]], 1
-// CHECK-NEXT: store i32 [[ADD2_2]], i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
+// CHECK-NEXT: store i32 [[ADD2_2]], i32* [[OMP_IV2]]{{.*}}!llvm.access.group
 // br label {{.+}}, !llvm.loop ![[SIMPLE_LOOP2_ID]]
   }
 // CHECK: [[SIMPLE_LOOP2_END]]:
@@ -101,35 +101,35 @@
 // CHECK: [[GLIN_LOAD:%.+]] = load double*, double** [[GLIN_VAR:@[^,]+]]
 // CHECK-NEXT: store double* [[GLIN_LOAD]], double** [[GLIN_START:%[^,]+]]
 
-// CHECK: [[IV3:%.+]] = load i64, i64* [[OMP_IV3]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP3_ID:[0-9]+]]
+// CHECK: [[IV3:%.+]] = load i64, i64* [[OMP_IV3]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[CMP3:%.+]] = icmp ult i64 [[IV3]], 4
 // CHECK-NEXT: br i1 [[CMP3]], label %[[SIMPLE_LOOP3_BODY:.+]], label %[[SIMPLE_LOOP3_END:[^,]+]]
   for (unsigned long long it = 2000; it >= 600; it-=400) {
 // CHECK: [[SIMPLE_LOOP3_BODY]]:
 // Start of body: calculate it from IV:
-// CHECK: [[IV3_0:%.+]] = load i64, i64* [[OMP_IV3]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP3_ID]]
+// CHECK: [[IV3_0:%.+]] = load i64, i64* [[OMP_IV3]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[LC_IT_1:%.+]] = mul i64 [[IV3_0]], 400
 // CHECK-NEXT: [[LC_IT_2:%.+]] = sub i64 2000, [[LC_IT_1]]
-// CHECK-NEXT: store i64 [[LC_IT_2]], i64* {{.+}}, !llvm.mem.parallel_loop_access ![[SIMPLE_LOOP3_ID]]
+// CHECK-NEXT: store i64 [[LC_IT_2]], i64* {{.+}}, !llvm.access.group
 //
 // Linear start and step are used to calculate current value of the linear variable.
-// CHECK: [[LINSTART:.+]] = load i32, i32* [[LIN_START]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP3_ID]]
-// CHECK: [[LINSTEP:.+]] = load i64, i64* [[LIN_STEP]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP3_ID]]
-// CHECK-NOT: store i32 {{.+}}, i32* [[LIN_VAR]],{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP3_ID]]
-// CHECK: [[GLINSTART:.+]] = load double*, double** [[GLIN_START]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP3_ID]]
-// CHECK-NEXT: [[IV3_1:%.+]] = load i64, i64* [[OMP_IV3]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP3_ID]]
+// CHECK: [[LINSTART:.+]] = load i32, i32* [[LIN_START]]{{.*}}!llvm.access.group
+// CHECK: [[LINSTEP:.+]] = load i64, i64* [[LIN_STEP]]{{.*}}!llvm.access.group
+// CHECK-NOT: store i32 {{.+}}, i32* [[LIN_VAR]],{{.*}}!llvm.access.group
+// CHECK: [[GLINSTART:.+]] = load double*, double** [[GLIN_START]]{{.*}}!llvm.access.group
+// CHECK-NEXT: [[IV3_1:%.+]] = load i64, i64* [[OMP_IV3]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[MUL:%.+]] = mul i64 [[IV3_1]], 1
 // CHECK: [[GEP:%.+]] = getelementptr{{.*}}[[GLINSTART]]
-// CHECK-NEXT: store double* [[GEP]], double** [[G_PTR_CUR:%[^,]+]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP3_ID]]
+// CHECK-NEXT: store double* [[GEP]], double** [[G_PTR_CUR:%[^,]+]]{{.*}}!llvm.access.group
     *g_ptr++ = 0.0;
-// CHECK: [[GEP_VAL:%.+]] = load double{{.*}}[[G_PTR_CUR]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP3_ID]]
-// CHECK: store double{{.*}}[[GEP_VAL]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP3_ID]]
+// CHECK: [[GEP_VAL:%.+]] = load double{{.*}}[[G_PTR_CUR]]{{.*}}!llvm.access.group
+// CHECK: store double{{.*}}[[GEP_VAL]]{{.*}}!llvm.access.group
     a[it + lin]++;
 // CHECK: [[FLT_INC:%.+]] = fadd float
-// CHECK-NEXT: store float [[FLT_INC]],{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP3_ID]]
-// CHECK: [[IV3_2:%.+]] = load i64, i64* [[OMP_IV3]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP3_ID]]
+// CHECK-NEXT: store float [[FLT_INC]],{{.*}}!llvm.access.group
+// CHECK: [[IV3_2:%.+]] = load i64, i64* [[OMP_IV3]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[ADD3_2:%.+]] = add i64 [[IV3_2]], 1
-// CHECK-NEXT: store i64 [[ADD3_2]], i64* [[OMP_IV3]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP3_ID]]
+// CHECK-NEXT: store i64 [[ADD3_2]], i64* [[OMP_IV3]]{{.*}}!llvm.access.group
   }
 // CHECK: [[SIMPLE_LOOP3_END]]:
 //
@@ -143,42 +143,42 @@
   #pragma omp simd
 // CHECK: store i32 0, i32* [[OMP_IV4:%[^,]+]]
 
-// CHECK: [[IV4:%.+]] = load i32, i32* [[OMP_IV4]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP4_ID:[0-9]+]]
+// CHECK: [[IV4:%.+]] = load i32, i32* [[OMP_IV4]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[CMP4:%.+]] = icmp slt i32 [[IV4]], 4
 // CHECK-NEXT: br i1 [[CMP4]], label %[[SIMPLE_LOOP4_BODY:.+]], label %[[SIMPLE_LOOP4_END:[^,]+]]
   for (short it = 6; it <= 20; it-=-4) {
 // CHECK: [[SIMPLE_LOOP4_BODY]]:
 // Start of body: calculate it from IV:
-// CHECK: [[IV4_0:%.+]] = load i32, i32* [[OMP_IV4]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP4_ID]]
+// CHECK: [[IV4_0:%.+]] = load i32, i32* [[OMP_IV4]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[LC_IT_1:%.+]] = mul nsw i32 [[IV4_0]], 4
 // CHECK-NEXT: [[LC_IT_2:%.+]] = add nsw i32 6, [[LC_IT_1]]
 // CHECK-NEXT: [[LC_IT_3:%.+]] = trunc i32 [[LC_IT_2]] to i16
-// CHECK-NEXT: store i16 [[LC_IT_3]], i16* {{.+}}, !llvm.mem.parallel_loop_access ![[SIMPLE_LOOP4_ID]]
+// CHECK-NEXT: store i16 [[LC_IT_3]], i16* {{.+}}, !llvm.access.group
 
-// CHECK: [[IV4_2:%.+]] = load i32, i32* [[OMP_IV4]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP4_ID]]
+// CHECK: [[IV4_2:%.+]] = load i32, i32* [[OMP_IV4]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[ADD4_2:%.+]] = add nsw i32 [[IV4_2]], 1
-// CHECK-NEXT: store i32 [[ADD4_2]], i32* [[OMP_IV4]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP4_ID]]
+// CHECK-NEXT: store i32 [[ADD4_2]], i32* [[OMP_IV4]]{{.*}}!llvm.access.group
   }
 // CHECK: [[SIMPLE_LOOP4_END]]:
 
   #pragma omp simd
 // CHECK: store i32 0, i32* [[OMP_IV5:%[^,]+]]
 
-// CHECK: [[IV5:%.+]] = load i32, i32* [[OMP_IV5]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP5_ID:[0-9]+]]
+// CHECK: [[IV5:%.+]] = load i32, i32* [[OMP_IV5]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[CMP5:%.+]] = icmp slt i32 [[IV5]], 26
 // CHECK-NEXT: br i1 [[CMP5]], label %[[SIMPLE_LOOP5_BODY:.+]], label %[[SIMPLE_LOOP5_END:[^,]+]]
   for (unsigned char it = 'z'; it >= 'a'; it+=-1) {
 // CHECK: [[SIMPLE_LOOP5_BODY]]:
 // Start of body: calculate it from IV:
-// CHECK: [[IV5_0:%.+]] = load i32, i32* [[OMP_IV5]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP5_ID]]
+// CHECK: [[IV5_0:%.+]] = load i32, i32* [[OMP_IV5]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[IV5_1:%.+]] = mul nsw i32 [[IV5_0]], 1
 // CHECK-NEXT: [[LC_IT_1:%.+]] = sub nsw i32 122, [[IV5_1]]
 // CHECK-NEXT: [[LC_IT_2:%.+]] = trunc i32 [[LC_IT_1]] to i8
-// CHECK-NEXT: store i8 [[LC_IT_2]], i8* {{.+}}, !llvm.mem.parallel_loop_access ![[SIMPLE_LOOP5_ID]]
+// CHECK-NEXT: store i8 [[LC_IT_2]], i8* {{.+}}, !llvm.access.group
 
-// CHECK: [[IV5_2:%.+]] = load i32, i32* [[OMP_IV5]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP5_ID]]
+// CHECK: [[IV5_2:%.+]] = load i32, i32* [[OMP_IV5]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[ADD5_2:%.+]] = add nsw i32 [[IV5_2]], 1
-// CHECK-NEXT: store i32 [[ADD5_2]], i32* [[OMP_IV5]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP5_ID]]
+// CHECK-NEXT: store i32 [[ADD5_2]], i32* [[OMP_IV5]]{{.*}}!llvm.access.group
   }
 // CHECK: [[SIMPLE_LOOP5_END]]:
 
@@ -194,23 +194,23 @@
 // CHECK: store i64 0, i64* [[OMP_IV7:%[^,]+]]
 // CHECK: br label %[[SIMD_LOOP7_COND:[^,]+]]
 // CHECK: [[SIMD_LOOP7_COND]]:
-// CHECK-NEXT: [[IV7:%.+]] = load i64, i64* [[OMP_IV7]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP7_ID:[0-9]+]]
+// CHECK-NEXT: [[IV7:%.+]] = load i64, i64* [[OMP_IV7]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[CMP7:%.+]] = icmp slt i64 [[IV7]], 7
 // CHECK-NEXT: br i1 [[CMP7]], label %[[SIMPLE_LOOP7_BODY:.+]], label %[[SIMPLE_LOOP7_END:[^,]+]]
   for (long long i = -10; i < 10; i += 3) {
 // CHECK: [[SIMPLE_LOOP7_BODY]]:
 // Start of body: calculate i from IV:
-// CHECK: [[IV7_0:%.+]] = load i64, i64* [[OMP_IV7]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP7_ID]]
+// CHECK: [[IV7_0:%.+]] = load i64, i64* [[OMP_IV7]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[LC_IT_1:%.+]] = mul nsw i64 [[IV7_0]], 3
 // CHECK-NEXT: [[LC_IT_2:%.+]] = add nsw i64 -10, [[LC_IT_1]]
-// CHECK-NEXT: store i64 [[LC_IT_2]], i64* [[LC:%[^,]+]],{{.+}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP7_ID]]
-// CHECK-NEXT: [[LC_VAL:%.+]] = load i64, i64* [[LC]]{{.+}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP7_ID]]
+// CHECK-NEXT: store i64 [[LC_IT_2]], i64* [[LC:%[^,]+]],{{.+}}!llvm.access.group
+// CHECK-NEXT: [[LC_VAL:%.+]] = load i64, i64* [[LC]]{{.+}}!llvm.access.group
 // CHECK-NEXT: [[CONV:%.+]] = trunc i64 [[LC_VAL]] to i32
-// CHECK-NEXT: store i32 [[CONV]], i32* [[A_PRIV:%[^,]+]],{{.+}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP7_ID]]
+// CHECK-NEXT: store i32 [[CONV]], i32* [[A_PRIV:%[^,]+]],{{.+}}!llvm.access.group
     A = i;
-// CHECK: [[IV7_2:%.+]] = load i64, i64* [[OMP_IV7]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP7_ID]]
+// CHECK: [[IV7_2:%.+]] = load i64, i64* [[OMP_IV7]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[ADD7_2:%.+]] = add nsw i64 [[IV7_2]], 1
-// CHECK-NEXT: store i64 [[ADD7_2]], i64* [[OMP_IV7]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP7_ID]]
+// CHECK-NEXT: store i64 [[ADD7_2]], i64* [[OMP_IV7]]{{.*}}!llvm.access.group
   }
 // CHECK: [[SIMPLE_LOOP7_END]]:
 // CHECK-NEXT: store i64 11, i64*
@@ -224,22 +224,22 @@
   #pragma omp simd reduction(*:R)
 // CHECK: br label %[[SIMD_LOOP8_COND:[^,]+]]
 // CHECK: [[SIMD_LOOP8_COND]]:
-// CHECK-NEXT: [[IV8:%.+]] = load i64, i64* [[OMP_IV8]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP8_ID:[0-9]+]]
+// CHECK-NEXT: [[IV8:%.+]] = load i64, i64* [[OMP_IV8]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[CMP8:%.+]] = icmp slt i64 [[IV8]], 7
 // CHECK-NEXT: br i1 [[CMP8]], label %[[SIMPLE_LOOP8_BODY:.+]], label %[[SIMPLE_LOOP8_END:[^,]+]]
   for (long long i = -10; i < 10; i += 3) {
 // CHECK: [[SIMPLE_LOOP8_BODY]]:
 // Start of body: calculate i from IV:
-// CHECK: [[IV8_0:%.+]] = load i64, i64* [[OMP_IV8]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP8_ID]]
+// CHECK: [[IV8_0:%.+]] = load i64, i64* [[OMP_IV8]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[LC_IT_1:%.+]] = mul nsw i64 [[IV8_0]], 3
 // CHECK-NEXT: [[LC_IT_2:%.+]] = add nsw i64 -10, [[LC_IT_1]]
-// CHECK-NEXT: store i64 [[LC_IT_2]], i64* [[LC:%[^,]+]],{{.+}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP8_ID]]
-// CHECK-NEXT: [[LC_VAL:%.+]] = load i64, i64* [[LC]]{{.+}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP8_ID]]
-// CHECK: store i32 %{{.+}}, i32* [[R_PRIV]],{{.+}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP8_ID]]
+// CHECK-NEXT: store i64 [[LC_IT_2]], i64* [[LC:%[^,]+]],{{.+}}!llvm.access.group
+// CHECK-NEXT: [[LC_VAL:%.+]] = load i64, i64* [[LC]]{{.+}}!llvm.access.group
+// CHECK: store i32 %{{.+}}, i32* [[R_PRIV]],{{.+}}!llvm.access.group
     R *= i;
-// CHECK: [[IV8_2:%.+]] = load i64, i64* [[OMP_IV8]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP8_ID]]
+// CHECK: [[IV8_2:%.+]] = load i64, i64* [[OMP_IV8]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[ADD8_2:%.+]] = add nsw i64 [[IV8_2]], 1
-// CHECK-NEXT: store i64 [[ADD8_2]], i64* [[OMP_IV8]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP8_ID]]
+// CHECK-NEXT: store i64 [[ADD8_2]], i64* [[OMP_IV8]]{{.*}}!llvm.access.group
   }
 // CHECK: [[SIMPLE_LOOP8_END]]:
 // CHECK-DAG: [[R_VAL:%.+]] = load i32, i32* [[R]],
@@ -266,26 +266,26 @@
 // CHECK-LABEL: define {{.*i32}} @{{.*}}templ1{{.*}}(float {{.+}}, float* {{.+}})
 // CHECK: store i64 0, i64* [[T1_OMP_IV:[^,]+]]
 // ...
-// CHECK: [[IV:%.+]] = load i64, i64* [[T1_OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[T1_ID:[0-9]+]]
+// CHECK: [[IV:%.+]] = load i64, i64* [[T1_OMP_IV]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[CMP1:%.+]] = icmp slt i64 [[IV]], 16
 // CHECK-NEXT: br i1 [[CMP1]], label %[[T1_BODY:.+]], label %[[T1_END:[^,]+]]
 // CHECK: [[T1_BODY]]:
 // Loop counters i and j updates:
-// CHECK: [[IV1:%.+]] = load i64, i64* [[T1_OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[T1_ID]]
+// CHECK: [[IV1:%.+]] = load i64, i64* [[T1_OMP_IV]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[I_1:%.+]] = sdiv i64 [[IV1]], 4
 // CHECK-NEXT: [[I_1_MUL1:%.+]] = mul nsw i64 [[I_1]], 1
 // CHECK-NEXT: [[I_1_ADD0:%.+]] = add nsw i64 0, [[I_1_MUL1]]
 // CHECK-NEXT: [[I_2:%.+]] = trunc i64 [[I_1_ADD0]] to i32
-// CHECK-NEXT: store i32 [[I_2]], i32* {{%.+}}{{.*}}!llvm.mem.parallel_loop_access ![[T1_ID]]
-// CHECK: [[IV2:%.+]] = load i64, i64* [[T1_OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[T1_ID]]
+// CHECK-NEXT: store i32 [[I_2]], i32* {{%.+}}{{.*}}!llvm.access.group
+// CHECK: [[IV2:%.+]] = load i64, i64* [[T1_OMP_IV]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[J_1:%.+]] = srem i64 [[IV2]], 4
 // CHECK-NEXT: [[J_2:%.+]] = mul nsw i64 [[J_1]], 2
 // CHECK-NEXT: [[J_2_ADD0:%.+]] = add nsw i64 0, [[J_2]]
-// CHECK-NEXT: store i64 [[J_2_ADD0]], i64* {{%.+}}{{.*}}!llvm.mem.parallel_loop_access ![[T1_ID]]
+// CHECK-NEXT: store i64 [[J_2_ADD0]], i64* {{%.+}}{{.*}}!llvm.access.group
 // simd.for.inc:
-// CHECK: [[IV3:%.+]] = load i64, i64* [[T1_OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[T1_ID]]
+// CHECK: [[IV3:%.+]] = load i64, i64* [[T1_OMP_IV]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[INC:%.+]] = add nsw i64 [[IV3]], 1
-// CHECK-NEXT: store i64 [[INC]], i64* [[T1_OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[T1_ID]]
+// CHECK-NEXT: store i64 [[INC]], i64* [[T1_OMP_IV]]{{.*}}!llvm.access.group
 // CHECK-NEXT: br label {{%.+}}
 // CHECK: [[T1_END]]:
 // CHECK: ret i32 0
@@ -338,15 +338,15 @@
 // CHECK: store i32 0, i32* [[IT_OMP_IV:%[^,]+]]
   #pragma omp simd
 
-// CHECK: [[IV:%.+]] = load i32, i32* [[IT_OMP_IV]]{{.+}} !llvm.mem.parallel_loop_access ![[ITER_LOOP_ID:[0-9]+]]
-// CHECK-NEXT: [[LAST_IT:%.+]] = load i32, i32* [[OMP_LAST_IT]]{{.+}}!llvm.mem.parallel_loop_access ![[ITER_LOOP_ID]]
+// CHECK: [[IV:%.+]] = load i32, i32* [[IT_OMP_IV]]{{.+}} !llvm.access.group
+// CHECK-NEXT: [[LAST_IT:%.+]] = load i32, i32* [[OMP_LAST_IT]]{{.+}}!llvm.access.group
 // CHECK-NEXT: [[NUM_IT:%.+]] = add nsw i32 [[LAST_IT]], 1
 // CHECK-NEXT: [[CMP:%.+]] = icmp slt i32 [[IV]], [[NUM_IT]]
 // CHECK-NEXT: br i1 [[CMP]], label %[[IT_BODY:[^,]+]], label %[[IT_END:[^,]+]]
   for (IterDouble i = ia; i < ib; ++i) {
 // CHECK: [[IT_BODY]]:
 // Start of body: calculate i from index:
-// CHECK: [[IV1:%.+]] = load i32, i32* [[IT_OMP_IV]]{{.+}}!llvm.mem.parallel_loop_access ![[ITER_LOOP_ID]]
+// CHECK: [[IV1:%.+]] = load i32, i32* [[IT_OMP_IV]]{{.+}}!llvm.access.group
 // Call of operator+ (i, IV).
 // CHECK: {{%.+}} = invoke {{.+}} @{{.*}}IterDouble{{.*}}
 // ... loop body ...
@@ -354,12 +354,12 @@
 // Float multiply and save result.
 // CHECK: [[MULR:%.+]] = fmul double {{%.+}}, 5.000000e-01
 // CHECK-NEXT: invoke {{.+}} @{{.*}}IterDouble{{.*}}
-// CHECK: store double [[MULR:%.+]], double* [[RESULT_ADDR:%.+]], !llvm.mem.parallel_loop_access ![[ITER_LOOP_ID]]
+// CHECK: store double [[MULR:%.+]], double* [[RESULT_ADDR:%.+]], !llvm.access.group
    ++ic;
 //
-// CHECK: [[IV2:%.+]] = load i32, i32* [[IT_OMP_IV]]{{.+}}!llvm.mem.parallel_loop_access ![[ITER_LOOP_ID]]
+// CHECK: [[IV2:%.+]] = load i32, i32* [[IT_OMP_IV]]{{.+}}!llvm.access.group
 // CHECK-NEXT: [[ADD2:%.+]] = add nsw i32 [[IV2]], 1
-// CHECK-NEXT: store i32 [[ADD2]], i32* [[IT_OMP_IV]]{{.+}}!llvm.mem.parallel_loop_access ![[ITER_LOOP_ID]]
+// CHECK-NEXT: store i32 [[ADD2]], i32* [[IT_OMP_IV]]{{.+}}!llvm.access.group
 // br label %{{.*}}, !llvm.loop ![[ITER_LOOP_ID]]
   }
 // CHECK: [[IT_END]]:
@@ -377,7 +377,7 @@
 //
   #pragma omp simd collapse(4)
 
-// CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]{{.+}}!llvm.mem.parallel_loop_access ![[COLL1_LOOP_ID:[0-9]+]]
+// CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]{{.+}}!llvm.access.group
 // CHECK-NEXT: [[CMP:%.+]] = icmp ult i32 [[IV]], 120
 // CHECK-NEXT: br i1 [[CMP]], label %[[COLL1_BODY:[^,]+]], label %[[COLL1_END:[^,]+]]
   for (i = 1; i < 3; i++) // 2 iterations
@@ -387,25 +387,25 @@
         {
 // CHECK: [[COLL1_BODY]]:
 // Start of body: calculate i from index:
-// CHECK: [[IV1:%.+]] = load i32, i32* [[OMP_IV]]{{.+}}!llvm.mem.parallel_loop_access ![[COLL1_LOOP_ID]]
+// CHECK: [[IV1:%.+]] = load i32, i32* [[OMP_IV]]{{.+}}!llvm.access.group
 // Calculation of the loop counters values.
 // CHECK: [[CALC_I_1:%.+]] = udiv i32 [[IV1]], 60
 // CHECK-NEXT: [[CALC_I_1_MUL1:%.+]] = mul i32 [[CALC_I_1]], 1
 // CHECK-NEXT: [[CALC_I_2:%.+]] = add i32 1, [[CALC_I_1_MUL1]]
 // CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]]
-// CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]{{.+}}!llvm.mem.parallel_loop_access ![[COLL1_LOOP_ID]]
+// CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]{{.+}}!llvm.access.group
 // CHECK-NEXT: [[CALC_J_1:%.+]] = udiv i32 [[IV1_2]], 20
 // CHECK-NEXT: [[CALC_J_2:%.+]] = urem i32 [[CALC_J_1]], 3
 // CHECK-NEXT: [[CALC_J_2_MUL1:%.+]] = mul i32 [[CALC_J_2]], 1
 // CHECK-NEXT: [[CALC_J_3:%.+]] = add i32 2, [[CALC_J_2_MUL1]]
 // CHECK-NEXT: store i32 [[CALC_J_3]], i32* [[LC_J:.+]]
-// CHECK: [[IV1_3:%.+]] = load i32, i32* [[OMP_IV]]{{.+}}!llvm.mem.parallel_loop_access ![[COLL1_LOOP_ID]]
+// CHECK: [[IV1_3:%.+]] = load i32, i32* [[OMP_IV]]{{.+}}!llvm.access.group
 // CHECK-NEXT: [[CALC_K_1:%.+]] = udiv i32 [[IV1_3]], 5
 // CHECK-NEXT: [[CALC_K_2:%.+]] = urem i32 [[CALC_K_1]], 4
 // CHECK-NEXT: [[CALC_K_2_MUL1:%.+]] = mul i32 [[CALC_K_2]], 1
 // CHECK-NEXT: [[CALC_K_3:%.+]] = add i32 3, [[CALC_K_2_MUL1]]
 // CHECK-NEXT: store i32 [[CALC_K_3]], i32* [[LC_K:.+]]
-// CHECK: [[IV1_4:%.+]] = load i32, i32* [[OMP_IV]]{{.+}}!llvm.mem.parallel_loop_access ![[COLL1_LOOP_ID]]
+// CHECK: [[IV1_4:%.+]] = load i32, i32* [[OMP_IV]]{{.+}}!llvm.access.group
 // CHECK-NEXT: [[CALC_L_1:%.+]] = urem i32 [[IV1_4]], 5
 // CHECK-NEXT: [[CALC_L_1_MUL1:%.+]] = mul i32 [[CALC_L_1]], 1
 // CHECK-NEXT: [[CALC_L_2:%.+]] = add i32 4, [[CALC_L_1_MUL1]]
@@ -413,12 +413,12 @@
 // CHECK-NEXT: store i16 [[CALC_L_3]], i16* [[LC_L:.+]]
 // ... loop body ...
 // End of body: store into a[i]:
-// CHECK: store float [[RESULT:%.+]], float* [[RESULT_ADDR:%.+]]{{.+}}!llvm.mem.parallel_loop_access ![[COLL1_LOOP_ID]]
+// CHECK: store float [[RESULT:%.+]], float* [[RESULT_ADDR:%.+]]{{.+}}!llvm.access.group
     float res = b[j] * c[k];
     a[i] = res * d[l];
-// CHECK: [[IV2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[COLL1_LOOP_ID]]
+// CHECK: [[IV2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[ADD2:%.+]] = add i32 [[IV2]], 1
-// CHECK-NEXT: store i32 [[ADD2]], i32* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[COLL1_LOOP_ID]]
+// CHECK-NEXT: store i32 [[ADD2]], i32* [[OMP_IV]]{{.*}}!llvm.access.group
 // br label %{{[^,]+}}, !llvm.loop ![[COLL1_LOOP_ID]]
 // CHECK: [[COLL1_END]]:
   }
@@ -445,8 +445,8 @@
 //
   #pragma omp simd collapse(2) private(globalfloat, localint)
 
-// CHECK: [[IV:%.+]] = load i64, i64* [[OMP_IV]]{{.+}}!llvm.mem.parallel_loop_access ![[WIDE1_LOOP_ID:[0-9]+]]
-// CHECK-NEXT: [[LI:%.+]] = load i64, i64* [[OMP_LI:%[^,]+]]{{.+}}!llvm.mem.parallel_loop_access ![[WIDE1_LOOP_ID]]
+// CHECK: [[IV:%.+]] = load i64, i64* [[OMP_IV]]{{.+}}!llvm.access.group
+// CHECK-NEXT: [[LI:%.+]] = load i64, i64* [[OMP_LI:%[^,]+]]{{.+}}!llvm.access.group
 // CHECK-NEXT: [[NUMIT:%.+]] = add nsw i64 [[LI]], 1
 // CHECK-NEXT: [[CMP:%.+]] = icmp slt i64 [[IV]], [[NUMIT]]
 // CHECK-NEXT: br i1 [[CMP]], label %[[WIDE1_BODY:[^,]+]], label %[[WIDE1_END:[^,]+]]
@@ -455,10 +455,10 @@
   {
 // CHECK: [[WIDE1_BODY]]:
 // Start of body: calculate i from index:
-// CHECK: [[IV1:%.+]] = load i64, i64* [[OMP_IV]]{{.+}}!llvm.mem.parallel_loop_access ![[WIDE1_LOOP_ID]]
+// CHECK: [[IV1:%.+]] = load i64, i64* [[OMP_IV]]{{.+}}!llvm.access.group
 // Calculation of the loop counters values...
 // CHECK: store i32 {{[^,]+}}, i32* [[LC_I:.+]]
-// CHECK: [[IV1_2:%.+]] = load i64, i64* [[OMP_IV]]{{.+}}!llvm.mem.parallel_loop_access ![[WIDE1_LOOP_ID]]
+// CHECK: [[IV1_2:%.+]] = load i64, i64* [[OMP_IV]]{{.+}}!llvm.access.group
 // CHECK: store i16 {{[^,]+}}, i16* [[LC_J:.+]]
 // ... loop body ...
 //
@@ -467,14 +467,14 @@
     globalfloat = (float)j/i;
     float res = b[j] * c[j];
 // Store into a[i]:
-// CHECK: store float [[RESULT:%.+]], float* [[RESULT_ADDR:%.+]]{{.+}}!llvm.mem.parallel_loop_access ![[WIDE1_LOOP_ID]]
+// CHECK: store float [[RESULT:%.+]], float* [[RESULT_ADDR:%.+]]{{.+}}!llvm.access.group
     a[i] = res * d[i];
 // Then there's a store into private var localint:
-// CHECK: store i32 {{.+}}, i32* [[LOCALINT:%[^,]+]]{{.+}}!llvm.mem.parallel_loop_access ![[WIDE1_LOOP_ID]]
+// CHECK: store i32 {{.+}}, i32* [[LOCALINT:%[^,]+]]{{.+}}!llvm.access.group
     localint = (int)j;
-// CHECK: [[IV2:%.+]] = load i64, i64* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[WIDE1_LOOP_ID]]
+// CHECK: [[IV2:%.+]] = load i64, i64* [[OMP_IV]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[ADD2:%.+]] = add nsw i64 [[IV2]], 1
-// CHECK-NEXT: store i64 [[ADD2]], i64* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[WIDE1_LOOP_ID]]
+// CHECK-NEXT: store i64 [[ADD2]], i64* [[OMP_IV]]{{.*}}!llvm.access.group
 //
 // br label %{{[^,]+}}, !llvm.loop ![[WIDE1_LOOP_ID]]
 // CHECK: [[WIDE1_END]]:
@@ -505,20 +505,20 @@
 // CHECK: [[K0LOAD:%.+]] = load i64, i64* [[K_REF]]
 // CHECK-NEXT: store i64 [[K0LOAD]], i64* [[LIN0:%[^,]+]]
 
-// CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP_ID:[0-9]+]]
+// CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[CMP2:%.+]] = icmp slt i32 [[IV]], 9
 // CHECK-NEXT: br i1 [[CMP2]], label %[[SIMPLE_LOOP_BODY:.+]], label %[[SIMPLE_LOOP_END:[^,]+]]
   for (int i = 10; i > 1; i--) {
 // CHECK: [[SIMPLE_LOOP_BODY]]:
 // Start of body: calculate i from IV:
-// CHECK: [[IV_0:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP_ID]]
+// CHECK: [[IV_0:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
 // FIXME: It is interesting, why the following "mul 1" was not constant folded?
 // CHECK-NEXT: [[IV_1:%.+]] = mul nsw i32 [[IV_0]], 1
 // CHECK-NEXT: [[LC_I_1:%.+]] = sub nsw i32 10, [[IV_1]]
-// CHECK-NEXT: store i32 [[LC_I_1]], i32* {{.+}}, !llvm.mem.parallel_loop_access ![[SIMPLE_LOOP_ID]]
+// CHECK-NEXT: store i32 [[LC_I_1]], i32* {{.+}}, !llvm.access.group
 //
-// CHECK-NEXT: [[LIN0_1:%.+]] = load i64, i64* [[LIN0]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP_ID]]
-// CHECK-NEXT: [[IV_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP_ID]]
+// CHECK-NEXT: [[LIN0_1:%.+]] = load i64, i64* [[LIN0]]{{.*}}!llvm.access.group
+// CHECK-NEXT: [[IV_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[LIN_MUL1:%.+]] = mul nsw i32 [[IV_2]], 3
 // CHECK-NEXT: [[LIN_EXT1:%.+]] = sext i32 [[LIN_MUL1]] to i64
 // CHECK-NEXT: [[LIN_ADD1:%.+]] = add nsw i64 [[LIN0_1]], [[LIN_EXT1]]
@@ -526,9 +526,9 @@
 // CHECK-NEXT: store i64 [[LIN_ADD1]], i64* [[K_PRIVATIZED:%[^,]+]]
     a[k]++;
     k = k + 3;
-// CHECK: [[IV_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP_ID]]
+// CHECK: [[IV_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[ADD2_2:%.+]] = add nsw i32 [[IV_2]], 1
-// CHECK-NEXT: store i32 [[ADD2_2]], i32* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP_ID]]
+// CHECK-NEXT: store i32 [[ADD2_2]], i32* [[OMP_IV]]{{.*}}!llvm.access.group
 // br label {{.+}}, !llvm.loop ![[SIMPLE_LOOP_ID]]
   }
 // CHECK: [[SIMPLE_LOOP_END]]:
@@ -550,20 +550,20 @@
 // CHECK: [[K0LOAD:%.+]] = load i64, i64* [[K_REF]]
 // CHECK-NEXT: store i64 [[K0LOAD]], i64* [[LIN0:%[^,]+]]
 
-// CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP_ID:[0-9]+]]
+// CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[CMP2:%.+]] = icmp slt i32 [[IV]], 9
 // CHECK-NEXT: br i1 [[CMP2]], label %[[SIMPLE_LOOP_BODY:.+]], label %[[SIMPLE_LOOP_END:[^,]+]]
   for (int i = 10; i > 1; i--) {
 // CHECK: [[SIMPLE_LOOP_BODY]]:
 // Start of body: calculate i from IV:
-// CHECK: [[IV_0:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP_ID]]
+// CHECK: [[IV_0:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
 // FIXME: It is interesting, why the following "mul 1" was not constant folded?
 // CHECK-NEXT: [[IV_1:%.+]] = mul nsw i32 [[IV_0]], 1
 // CHECK-NEXT: [[LC_I_1:%.+]] = sub nsw i32 10, [[IV_1]]
-// CHECK-NEXT: store i32 [[LC_I_1]], i32* {{.+}}, !llvm.mem.parallel_loop_access ![[SIMPLE_LOOP_ID]]
+// CHECK-NEXT: store i32 [[LC_I_1]], i32* {{.+}}, !llvm.access.group
 //
-// CHECK-NEXT: [[LIN0_1:%.+]] = load i64, i64* [[LIN0]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP_ID]]
-// CHECK-NEXT: [[IV_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP_ID]]
+// CHECK-NEXT: [[LIN0_1:%.+]] = load i64, i64* [[LIN0]]{{.*}}!llvm.access.group
+// CHECK-NEXT: [[IV_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[LIN_MUL1:%.+]] = mul nsw i32 [[IV_2]], 3
 // CHECK-NEXT: [[LIN_EXT1:%.+]] = sext i32 [[LIN_MUL1]] to i64
 // CHECK-NEXT: [[LIN_ADD1:%.+]] = add nsw i64 [[LIN0_1]], [[LIN_EXT1]]
@@ -571,9 +571,9 @@
 // CHECK-NEXT: store i64 [[LIN_ADD1]], i64* [[K_PRIVATIZED:%[^,]+]]
     a[k]++;
     k = k + 3;
-// CHECK: [[IV_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP_ID]]
+// CHECK: [[IV_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[ADD2_2:%.+]] = add nsw i32 [[IV_2]], 1
-// CHECK-NEXT: store i32 [[ADD2_2]], i32* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP_ID]]
+// CHECK-NEXT: store i32 [[ADD2_2]], i32* [[OMP_IV]]{{.*}}!llvm.access.group
 // br label {{.+}}, !llvm.loop ![[SIMPLE_LOOP_ID]]
   }
 // CHECK: [[SIMPLE_LOOP_END]]:
@@ -591,20 +591,20 @@
 // CHECK: [[K0LOAD:%.+]] = load i64, i64* [[VAL_ADDR]]
 // CHECK-NEXT: store i64 [[K0LOAD]], i64* [[LIN0:%[^,]+]]
 
-// CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP_ID:[0-9]+]]
+// CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[CMP2:%.+]] = icmp slt i32 [[IV]], 9
 // CHECK-NEXT: br i1 [[CMP2]], label %[[SIMPLE_LOOP_BODY:.+]], label %[[SIMPLE_LOOP_END:[^,]+]]
   for (int i = 10; i > 1; i--) {
 // CHECK: [[SIMPLE_LOOP_BODY]]:
 // Start of body: calculate i from IV:
-// CHECK: [[IV_0:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP_ID]]
+// CHECK: [[IV_0:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
 // FIXME: It is interesting, why the following "mul 1" was not constant folded?
 // CHECK-NEXT: [[IV_1:%.+]] = mul nsw i32 [[IV_0]], 1
 // CHECK-NEXT: [[LC_I_1:%.+]] = sub nsw i32 10, [[IV_1]]
-// CHECK-NEXT: store i32 [[LC_I_1]], i32* {{.+}}, !llvm.mem.parallel_loop_access ![[SIMPLE_LOOP_ID]]
+// CHECK-NEXT: store i32 [[LC_I_1]], i32* {{.+}}, !llvm.access.group
 //
-// CHECK-NEXT: [[LIN0_1:%.+]] = load i64, i64* [[LIN0]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP_ID]]
-// CHECK-NEXT: [[IV_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP_ID]]
+// CHECK-NEXT: [[LIN0_1:%.+]] = load i64, i64* [[LIN0]]{{.*}}!llvm.access.group
+// CHECK-NEXT: [[IV_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[LIN_MUL1:%.+]] = mul nsw i32 [[IV_2]], 3
 // CHECK-NEXT: [[LIN_EXT1:%.+]] = sext i32 [[LIN_MUL1]] to i64
 // CHECK-NEXT: [[LIN_ADD1:%.+]] = add nsw i64 [[LIN0_1]], [[LIN_EXT1]]
@@ -612,9 +612,9 @@
 // CHECK-NEXT: store i64 [[LIN_ADD1]], i64* [[K_PRIVATIZED:%[^,]+]]
     a[k]++;
     k = k + 3;
-// CHECK: [[IV_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP_ID]]
+// CHECK: [[IV_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
 // CHECK-NEXT: [[ADD2_2:%.+]] = add nsw i32 [[IV_2]], 1
-// CHECK-NEXT: store i32 [[ADD2_2]], i32* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP_ID]]
+// CHECK-NEXT: store i32 [[ADD2_2]], i32* [[OMP_IV]]{{.*}}!llvm.access.group
 // br label {{.+}}, !llvm.loop ![[SIMPLE_LOOP_ID]]
   }
 // CHECK: [[SIMPLE_LOOP_END]]:
@@ -635,7 +635,7 @@
 #pragma omp simd
   // TERM_DEBUG-NOT: __kmpc_global_thread_num
   // TERM_DEBUG:     invoke i32 {{.*}}bar{{.*}}()
-  // TERM_DEBUG:     unwind label %[[TERM_LPAD:.+]],
+  // TERM_DEBUG:     unwind label %[[TERM_LPAD:[^,]+]],
   // TERM_DEBUG-NOT: __kmpc_global_thread_num
   // TERM_DEBUG:     [[TERM_LPAD]]
   // TERM_DEBUG:     call void @__clang_call_terminate
Index: test/OpenMP/simd_metadata.c
===================================================================
--- test/OpenMP/simd_metadata.c
+++ test/OpenMP/simd_metadata.c
@@ -49,8 +49,8 @@
     c[i] = a[i] * a[i] + b[i] * b[t];
     ++t;
   }
-// do not emit parallel_loop_access metadata due to usage of safelen clause.
-// CHECK-NOT: store float {{.+}}, float* {{.+}}, align {{.+}}, !llvm.mem.parallel_loop_access {{![0-9]+}}
+// do not emit llvm.access.group metadata due to usage of safelen clause.
+// CHECK-NOT: store float {{.+}}, float* {{.+}}, align {{.+}}, !llvm.access.group {{![0-9]+}}
 #pragma omp simd safelen(16) linear(t) aligned(c:32) aligned(a,b) simdlen(8)
 // CHECK:         [[C_PTRINT:%.+]] = ptrtoint
 // CHECK-NEXT:    [[C_MASKEDPTR:%.+]] = and i{{[0-9]+}} [[C_PTRINT]], 31
@@ -80,8 +80,8 @@
     c[i] = a[i] * a[i] + b[i] * b[t];
     ++t;
   }
-// do not emit parallel_loop_access metadata due to usage of safelen clause.
-// CHECK-NOT: store float {{.+}}, float* {{.+}}, align {{.+}}, !llvm.mem.parallel_loop_access {{![0-9]+}}
+// do not emit llvm.access.group metadata due to usage of safelen clause.
+// CHECK-NOT: store float {{.+}}, float* {{.+}}, align {{.+}}, !llvm.access.group {{![0-9]+}}
 #pragma omp simd linear(t) aligned(c:32) aligned(a,b) simdlen(8)
 // CHECK:         [[C_PTRINT:%.+]] = ptrtoint
 // CHECK-NEXT:    [[C_MASKEDPTR:%.+]] = and i{{[0-9]+}} [[C_PTRINT]], 31
@@ -110,7 +110,7 @@
   for (int i = 0; i < size; ++i) {
     c[i] = a[i] * a[i] + b[i] * b[t];
     ++t;
-// CHECK: store float {{.+}}, float* {{.+}}, align {{.+}}, !llvm.mem.parallel_loop_access {{![0-9]+}}
+// CHECK: store float {{.+}}, float* {{.+}}, align {{.+}}, !llvm.access.group ![[ACCESS_GROUP_7:[0-9]+]]
   }
 }
 
@@ -122,8 +122,9 @@
   for (int i = 0; i < size; ++i) {
     c[i] = a[i] * a[i] + b[i] * b[t];
     ++t;
-// CHECK: store float {{.+}}, float* {{.+}}, align {{.+}}, !llvm.mem.parallel_loop_access [[LOOP_H2_HEADER:![0-9]+]]
+// CHECK: store float {{.+}}, float* {{.+}}, align {{.+}}, !llvm.access.group ![[ACCESS_GROUP_10:[0-9]+]]
   }
+// CHECK: br label %{{.+}}, !llvm.loop [[LOOP_H2_HEADER:![0-9]+]]
 }
 
 void h3(float *c, float *a, float *b, int size)
@@ -134,9 +135,9 @@
     for (int j = 0; j < size; ++j) {
       c[j*i] = a[i] * b[j];
     }
+// CHECK: store float {{.+}}, float* {{.+}}, align {{.+}}, !llvm.access.group ![[ACCESS_GROUP_13:[0-9]+]]
   }
-// do not emit parallel_loop_access for nested loop.
-// CHECK-NOT: store float {{.+}}, float* {{.+}}, align {{.+}}, !llvm.mem.parallel_loop_access {{![0-9]+}}
+// CHECK: br label %{{.+}}, !llvm.loop [[LOOP_H3_HEADER:![0-9]+]]
 }
 
 // Metadata for h1:
@@ -145,11 +146,17 @@
 // CHECK: [[LOOP_VEC_ENABLE]] = !{!"llvm.loop.vectorize.enable", i1 true}
 // CHECK: [[LOOP_H1_HEADER:![0-9]+]] = distinct !{[[LOOP_H1_HEADER]], [[LOOP_WIDTH_8:![0-9]+]], [[LOOP_VEC_ENABLE]]}
 // CHECK: [[LOOP_WIDTH_8]] = !{!"llvm.loop.vectorize.width", i32 8}
-// CHECK: [[LOOP_H1_HEADER:![0-9]+]] = distinct !{[[LOOP_H1_HEADER]], [[LOOP_WIDTH_8]], [[LOOP_VEC_ENABLE]]}
+// CHECK: ![[ACCESS_GROUP_7]] = distinct !{}
+// CHECK: [[LOOP_H1_HEADER:![0-9]+]] = distinct !{[[LOOP_H1_HEADER]], [[LOOP_WIDTH_8]], [[LOOP_VEC_ENABLE]], ![[PARALLEL_ACCESSES_9:[0-9]+]]}
+// CHECK: ![[PARALLEL_ACCESSES_9]] = !{!"llvm.loop.parallel_accesses", ![[ACCESS_GROUP_7]]}
 //
 // Metadata for h2:
-// CHECK: [[LOOP_H2_HEADER]] = distinct !{[[LOOP_H2_HEADER]], [[LOOP_VEC_ENABLE]]}
+// CHECK: ![[ACCESS_GROUP_10]] = distinct !{}
+// CHECK: [[LOOP_H2_HEADER]] = distinct !{[[LOOP_H2_HEADER]], [[LOOP_VEC_ENABLE]], ![[PARALLEL_ACCESSES_12:[0-9]+]]}
+// CHECK: ![[PARALLEL_ACCESSES_12]] = !{!"llvm.loop.parallel_accesses", ![[ACCESS_GROUP_10]]}
 //
 // Metadata for h3:
-// CHECK: [[LOOP_H3_HEADER:![0-9]+]] = distinct !{[[LOOP_H3_HEADER]], [[LOOP_VEC_ENABLE]]}
+// CHECK: ![[ACCESS_GROUP_13]] = distinct !{}
+// CHECK: [[LOOP_H3_HEADER]] = distinct !{[[LOOP_H3_HEADER]], [[LOOP_VEC_ENABLE]], ![[PARALLEL_ACCESSES_15:[0-9]+]]}
+// CHECK: ![[PARALLEL_ACCESSES_15]] = !{!"llvm.loop.parallel_accesses", ![[ACCESS_GROUP_13]]}
 //
Index: test/OpenMP/target_parallel_for_simd_codegen.cpp
===================================================================
--- test/OpenMP/target_parallel_for_simd_codegen.cpp
+++ test/OpenMP/target_parallel_for_simd_codegen.cpp
@@ -367,7 +367,7 @@
 // CHECK-64:    [[AA_CADDR:%.+]] = bitcast i[[SZ]]* [[AA_ADDR]] to i32*
 // CHECK-64:    [[AA:%.+]] = load i32, i32* [[AA_CADDR]], align
 // CHECK-32:    [[AA:%.+]] = load i32, i32* [[AA_ADDR]], align
-// CHECK:       !llvm.mem.parallel_loop_access
+// CHECK:       !llvm.access.group
 // CHECK:       !llvm.loop
 // CHECK:       ret void
 // CHECK-NEXT:  }
Index: test/OpenMP/target_simd_codegen.cpp
===================================================================
--- test/OpenMP/target_simd_codegen.cpp
+++ test/OpenMP/target_simd_codegen.cpp
@@ -342,7 +342,7 @@
 // CHECK-64:    [[AA_CADDR:%.+]] = bitcast i[[SZ]]* [[AA_ADDR]] to i32*
 // CHECK-64:    [[AA:%.+]] = load i32, i32* [[AA_CADDR]], align
 // CHECK-32:    [[AA:%.+]] = load i32, i32* [[AA_ADDR]], align
-// CHECK:       !llvm.mem.parallel_loop_access
+// CHECK:       !llvm.access.group
 // CHECK:       !llvm.loop
 // CHECK:       ret void
 // CHECK-NEXT:  }
Index: test/OpenMP/taskloop_simd_codegen.cpp
===================================================================
--- test/OpenMP/taskloop_simd_codegen.cpp
+++ test/OpenMP/taskloop_simd_codegen.cpp
@@ -83,17 +83,17 @@
 // CHECK: [[LB_I32:%.+]] = trunc i64 [[LB_VAL]] to i32
 // CHECK: store i32 [[LB_I32]], i32* [[CNT:%.+]],
 // CHECK: br label
-// CHECK: [[VAL:%.+]] = load i32, i32* [[CNT]],{{.*}}!llvm.mem.parallel_loop_access [[LOOP1:!.+]]
+// CHECK: [[VAL:%.+]] = load i32, i32* [[CNT]],{{.*}}!llvm.access.group
 // CHECK: [[VAL_I64:%.+]] = sext i32 [[VAL]] to i64
-// CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]],{{.*}}!llvm.mem.parallel_loop_access [[LOOP1]]
+// CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]],{{.*}}!llvm.access.group
 // CHECK: [[CMP:%.+]] = icmp ule i64 [[VAL_I64]], [[UB_VAL]]
 // CHECK: br i1 [[CMP]], label %{{.+}}, label %{{.+}}
-// CHECK: load i32, i32* %{{.*}}!llvm.mem.parallel_loop_access [[LOOP1]]
-// CHECK: store i32 %{{.*}}!llvm.mem.parallel_loop_access [[LOOP1]]
-// CHECK: load i32, i32* %{{.*}}!llvm.mem.parallel_loop_access [[LOOP1]]
+// CHECK: load i32, i32* %{{.*}}!llvm.access.group
+// CHECK: store i32 %{{.*}}!llvm.access.group
+// CHECK: load i32, i32* %{{.*}}!llvm.access.group
 // CHECK: add nsw i32 %{{.+}}, 1
-// CHECK: store i32 %{{.+}}, i32* %{{.*}}!llvm.mem.parallel_loop_access [[LOOP1]]
-// CHECK: br label %{{.*}}!llvm.loop [[LOOP1]]
+// CHECK: store i32 %{{.+}}, i32* %{{.*}}!llvm.access.group
+// CHECK: br label %{{.*}}!llvm.loop
 // CHECK: ret i32 0
 
 // CHECK: define internal i32 [[TASK2]](
@@ -113,17 +113,17 @@
 // CHECK: [[LB_I32:%.+]] = trunc i64 [[LB_VAL]] to i32
 // CHECK: store i32 [[LB_I32]], i32* [[CNT:%.+]],
 // CHECK: br label
-// CHECK: [[VAL:%.+]] = load i32, i32* [[CNT]],{{.*}}!llvm.mem.parallel_loop_access [[LOOP2:!.+]]
+// CHECK: [[VAL:%.+]] = load i32, i32* [[CNT]],{{.*}}!llvm.access.group
 // CHECK: [[VAL_I64:%.+]] = sext i32 [[VAL]] to i64
-// CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]],{{.*}}!llvm.mem.parallel_loop_access [[LOOP2]]
+// CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]],{{.*}}!llvm.access.group
 // CHECK: [[CMP:%.+]] = icmp ule i64 [[VAL_I64]], [[UB_VAL]]
 // CHECK: br i1 [[CMP]], label %{{.+}}, label %{{.+}}
-// CHECK: load i32, i32* %{{.*}}!llvm.mem.parallel_loop_access [[LOOP2]]
-// CHECK: store i32 %{{.*}}!llvm.mem.parallel_loop_access [[LOOP2]]
-// CHECK: load i32, i32* %{{.*}}!llvm.mem.parallel_loop_access [[LOOP2]]
+// CHECK: load i32, i32* %{{.*}}!llvm.access.group
+// CHECK: store i32 %{{.*}}!llvm.access.group
+// CHECK: load i32, i32* %{{.*}}!llvm.access.group
 // CHECK: add nsw i32 %{{.+}}, 1
-// CHECK: store i32 %{{.+}}, i32* %{{.*}}!llvm.mem.parallel_loop_access [[LOOP2]]
-// CHECK: br label %{{.*}}!llvm.loop [[LOOP2]]
+// CHECK: store i32 %{{.+}}, i32* %{{.*}}!llvm.access.group
+// CHECK: br label %{{.*}}!llvm.loop
 // CHECK: ret i32 0
 
 // CHECK: define internal i32 [[TASK3]](
@@ -142,7 +142,7 @@
 // CHECK: [[LB_VAL:%.+]] = load i64, i64* [[LB]],
 // CHECK: store i64 [[LB_VAL]], i64* [[CNT:%.+]],
 // CHECK: br label
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK: br label %{{.*}}!llvm.loop
 // CHECK: ret i32 0
 
@@ -192,14 +192,14 @@
 // CHECK: [[CMP:%.+]] = icmp ule i64 [[VAL_I64]], [[UB_VAL]]
 // CHECK: br i1 [[CMP]], label %{{.+}}, label %{{.+}}
 // CHECK: load i32, i32* %
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK: store i32 %
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK: load i32, i32* %
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK: add nsw i32 %{{.+}}, 1
 // CHECK: store i32 %{{.+}}, i32* %
-// CHECK-NOT: !llvm.mem.parallel_loop_access
+// CHECK-NOT: !llvm.access.group
 // CHECK: br label %{{.*}}!llvm.loop
 // CHECK: ret i32 0