[OPENMP50]Support for 'master taskloop' directive.

Added full support for master taskloop directive.

llvm-svn: 374437
diff --git a/clang/lib/Parse/ParseOpenMP.cpp b/clang/lib/Parse/ParseOpenMP.cpp
index 760cec2..ad4d935 100644
--- a/clang/lib/Parse/ParseOpenMP.cpp
+++ b/clang/lib/Parse/ParseOpenMP.cpp
@@ -135,7 +135,8 @@
       {OMPD_target_teams_distribute_parallel, OMPD_for,
        OMPD_target_teams_distribute_parallel_for},
       {OMPD_target_teams_distribute_parallel_for, OMPD_simd,
-       OMPD_target_teams_distribute_parallel_for_simd}};
+       OMPD_target_teams_distribute_parallel_for_simd},
+      {OMPD_master, OMPD_taskloop, OMPD_master_taskloop}};
   enum { CancellationPoint = 0, DeclareReduction = 1, TargetData = 2 };
   Token Tok = P.getCurToken();
   unsigned DKind =
@@ -1503,6 +1504,7 @@
   case OMPD_target_parallel_for:
   case OMPD_taskloop:
   case OMPD_taskloop_simd:
+  case OMPD_master_taskloop:
   case OMPD_distribute:
   case OMPD_end_declare_target:
   case OMPD_target_update:
@@ -1557,12 +1559,11 @@
 ///         'parallel for' | 'parallel sections' | 'task' | 'taskyield' |
 ///         'barrier' | 'taskwait' | 'flush' | 'ordered' | 'atomic' |
 ///         'for simd' | 'parallel for simd' | 'target' | 'target data' |
-///         'taskgroup' | 'teams' | 'taskloop' | 'taskloop simd' |
-///         'distribute' | 'target enter data' | 'target exit data' |
-///         'target parallel' | 'target parallel for' |
-///         'target update' | 'distribute parallel for' |
-///         'distribute paralle for simd' | 'distribute simd' |
-///         'target parallel for simd' | 'target simd' |
+///         'taskgroup' | 'teams' | 'taskloop' | 'taskloop simd' | 'master
+///         taskloop' | 'distribute' | 'target enter data' | 'target exit data'
+///         | 'target parallel' | 'target parallel for' | 'target update' |
+///         'distribute parallel for' | 'distribute paralle for simd' |
+///         'distribute simd' | 'target parallel for simd' | 'target simd' |
 ///         'teams distribute' | 'teams distribute simd' |
 ///         'teams distribute parallel for simd' |
 ///         'teams distribute parallel for' | 'target teams' |
@@ -1745,6 +1746,7 @@
   case OMPD_target_parallel_for:
   case OMPD_taskloop:
   case OMPD_taskloop_simd:
+  case OMPD_master_taskloop:
   case OMPD_distribute:
   case OMPD_distribute_parallel_for:
   case OMPD_distribute_parallel_for_simd: