Import LLVM 5.0.1 release including clang, lld and lldb.

1 files changed, 29 insertions, 6 deletions

diff --git a/gnu/llvm/tools/clang/lib/CodeGen/CGOpenMPRuntime.cpp b/gnu/llvm/tools/clang/lib/CodeGen/CGOpenMPRuntime.cpp
index d488bd4b30b..9f8aa6c8d96 100644
--- a/gnu/llvm/tools/clang/lib/CodeGen/CGOpenMPRuntime.cpp
+++ b/gnu/llvm/tools/clang/lib/CodeGen/CGOpenMPRuntime.cpp
@@ -264,6 +264,13 @@ public:
     return nullptr;
   }
 
+  /// \brief Get an LValue for the current ThreadID variable.
+  LValue getThreadIDVariableLValue(CodeGenFunction &CGF) override {
+    if (OuterRegionInfo)
+      return OuterRegionInfo->getThreadIDVariableLValue(CGF);
+    llvm_unreachable("No LValue for inlined OpenMP construct");
+  }
+
   /// \brief Get the name of the capture helper.
   StringRef getHelperName() const override {
     if (auto *OuterRegionInfo = getOldCSI())
@@ -771,7 +778,8 @@ static void emitInitWithReductionInitializer(CodeGenFunction &CGF,
 /// \param Init Initial expression of array.
 /// \param SrcAddr Address of the original array.
 static void EmitOMPAggregateInit(CodeGenFunction &CGF, Address DestAddr,
-                                 QualType Type, const Expr *Init,
+                                 QualType Type, bool EmitDeclareReductionInit,
+                                 const Expr *Init,
                                  const OMPDeclareReductionDecl *DRD,
                                  Address SrcAddr = Address::invalid()) {
   // Perform element-by-element initialization.
@@ -825,7 +833,7 @@ static void EmitOMPAggregateInit(CodeGenFunction &CGF, Address DestAddr,
   // Emit copy.
   {
     CodeGenFunction::RunCleanupsScope InitScope(CGF);
-    if (DRD && (DRD->getInitializer() || !Init)) {
+    if (EmitDeclareReductionInit) {
       emitInitWithReductionInitializer(CGF, DRD, Init, DestElementCurrent,
                                        SrcElementCurrent, ElementTy);
     } else
@@ -883,8 +891,12 @@ void ReductionCodeGen::emitAggregateInitialization(
   // captured region.
   auto *PrivateVD =
       cast<VarDecl>(cast<DeclRefExpr>(ClausesData[N].Private)->getDecl());
+  bool EmitDeclareReductionInit =
+      DRD && (DRD->getInitializer() || !PrivateVD->hasInit());
   EmitOMPAggregateInit(CGF, PrivateAddr, PrivateVD->getType(),
-                       DRD ? ClausesData[N].ReductionOp : PrivateVD->getInit(),
+                       EmitDeclareReductionInit,
+                       EmitDeclareReductionInit ? ClausesData[N].ReductionOp
+                                                : PrivateVD->getInit(),
                        DRD, SharedLVal.getAddress());
 }
 
@@ -4244,9 +4256,20 @@ CGOpenMPRuntime::emitTaskInit(CodeGenFunction &CGF, SourceLocation Loc,
   // Build type kmp_routine_entry_t (if not built yet).
   emitKmpRoutineEntryT(KmpInt32Ty);
   // Build type kmp_task_t (if not built yet).
-  if (KmpTaskTQTy.isNull()) {
-    KmpTaskTQTy = C.getRecordType(createKmpTaskTRecordDecl(
-        CGM, D.getDirectiveKind(), KmpInt32Ty, KmpRoutineEntryPtrQTy));
+  if (isOpenMPTaskLoopDirective(D.getDirectiveKind())) {
+    if (SavedKmpTaskloopTQTy.isNull()) {
+      SavedKmpTaskloopTQTy = C.getRecordType(createKmpTaskTRecordDecl(
+          CGM, D.getDirectiveKind(), KmpInt32Ty, KmpRoutineEntryPtrQTy));
+    }
+    KmpTaskTQTy = SavedKmpTaskloopTQTy;
+  } else if (D.getDirectiveKind() == OMPD_task) {
+    assert(D.getDirectiveKind() == OMPD_task &&
+           "Expected taskloop or task directive");
+    if (SavedKmpTaskTQTy.isNull()) {
+      SavedKmpTaskTQTy = C.getRecordType(createKmpTaskTRecordDecl(
+          CGM, D.getDirectiveKind(), KmpInt32Ty, KmpRoutineEntryPtrQTy));
+    }
+    KmpTaskTQTy = SavedKmpTaskTQTy;
   }
   auto *KmpTaskTQTyRD = cast<RecordDecl>(KmpTaskTQTy->getAsTagDecl());
   // Build particular struct kmp_task_t for the given task.