Add coexecute directives

Author: ivanradanov

llvm/include/llvm/Frontend/OpenMP/OMP.td

@@ -667,6 +667,7 @@ def OMP_CancellationPoint : Directive<"cancellation point"> {
   let association = AS_None;
   let category = CA_Executable;
 }
+def OMP_Coexecute : Directive<"coexecute"> {}
 def OMP_Critical : Directive<"critical"> {
   let allowedOnceClauses = [
     VersionedClause<OMPC_Hint>,
@@ -717,6 +718,7 @@ def OMP_DeclareTarget : Directive<"declare target"> {
   let association = AS_None;
   let category = CA_Declarative;
 }
+def OMP_EndCoexecute : Directive<"end coexecute"> {}
 def OMP_EndDeclareTarget : Directive<"end declare target"> {
   let association = AS_Delimited;
   let category = OMP_DeclareTarget.category;
@@ -2168,6 +2170,33 @@ def OMP_TargetTeams : Directive<"target teams"> {
   let leafConstructs = [OMP_Target, OMP_Teams];
   let category = CA_Executable;
 }
+def OMP_TargetTeamsCoexecute : Directive<"target teams coexecute"> {
+  let allowedClauses = [
+    VersionedClause<OMPC_If>,
+    VersionedClause<OMPC_Map>,
+    VersionedClause<OMPC_Private>,
+    VersionedClause<OMPC_Depend>,
+    VersionedClause<OMPC_FirstPrivate>,
+    VersionedClause<OMPC_IsDevicePtr>,
+    VersionedClause<OMPC_HasDeviceAddr, 51>,
+    VersionedClause<OMPC_Reduction>,
+    VersionedClause<OMPC_Allocate>,
+    VersionedClause<OMPC_UsesAllocators, 50>,
+    VersionedClause<OMPC_Shared>,
+    VersionedClause<OMPC_OMPX_Attribute>,
+  ];
+
+  let allowedOnceClauses = [
+    VersionedClause<OMPC_Device>,
+    VersionedClause<OMPC_NoWait>,
+    VersionedClause<OMPC_DefaultMap>,
+    VersionedClause<OMPC_Default>,
+    VersionedClause<OMPC_NumTeams>,
+    VersionedClause<OMPC_ThreadLimit>,
+    VersionedClause<OMPC_OMPX_DynCGroupMem>,
+    VersionedClause<OMPC_OMX_Bare>,
+  ];
+}
 def OMP_TargetTeamsDistribute : Directive<"target teams distribute"> {
   let allowedClauses = [
     VersionedClause<OMPC_Allocate>,
@@ -2446,6 +2475,22 @@ def OMP_TaskLoopSimd : Directive<"taskloop simd"> {
   let leafConstructs = [OMP_TaskLoop, OMP_Simd];
   let category = CA_Executable;
 }
+def OMP_TeamsCoexecute : Directive<"teams coexecute"> {
+  let allowedClauses = [
+    VersionedClause<OMPC_Private>,
+    VersionedClause<OMPC_FirstPrivate>,
+    VersionedClause<OMPC_Shared>,
+    VersionedClause<OMPC_Reduction>,
+    VersionedClause<OMPC_Allocate>,
+    VersionedClause<OMPC_OMPX_Attribute>,
+  ];
+  let allowedOnceClauses = [
+    VersionedClause<OMPC_Default>,
+    VersionedClause<OMPC_If, 52>,
+    VersionedClause<OMPC_NumTeams>,
+    VersionedClause<OMPC_ThreadLimit>
+  ];
+}
 def OMP_TeamsDistribute : Directive<"teams distribute"> {
   let allowedClauses = [
     VersionedClause<OMPC_Allocate>,