[OPENMP 4.5] Initial codegen for 'priority' clause in task-based

directives.

OpenMP 4.5 supports clause 'priority' in task-based directives. Patch
adds initial codegen support for this clause in codegen.

llvm-svn: 269050

1 files changed, 7 insertions, 0 deletions

diff --git a/clang/lib/CodeGen/CGStmtOpenMP.cpp b/clang/lib/CodeGen/CGStmtOpenMP.cpp
index 322e8ff593f..5cf0cae161b 100644
--- a/clang/lib/CodeGen/CGStmtOpenMP.cpp
+++ b/clang/lib/CodeGen/CGStmtOpenMP.cpp
@@ -2337,6 +2337,13 @@ void CodeGenFunction::EmitOMPTaskBasedDirective(const OMPExecutableDirective &S,
     // By default the task is not final.
     Data.Final.setInt(/*IntVal=*/false);
   }
+  // Check if the task has 'priority' clause.
+  if (const auto *Clause = S.getSingleClause<OMPPriorityClause>()) {
+    // Runtime currently does not support codegen for priority clause argument.
+    // TODO: Add codegen for priority clause arg when runtime lib support it.
+    auto *Prio = Clause->getPriority();
+    Data.Priority.setInt(Prio);
+  }
   // The first function argument for tasks is a thread id, the second one is a
   // part id (0 for tied tasks, >=0 for untied task).
   llvm::DenseSet<const VarDecl *> EmittedAsPrivate;