Use the same OpenMP API as Clang for target parallel for pragma

Clang uses kmpc_parallel_51 function for handlig target parallel for
pragma.

Flang should use the same functions as Clang for pragma
target parallel

Signed-off-by: Dominik Adamski <[email protected]>

Author: DominikAdamski

tools/flang2/flang2exe/cgmain.cpp

@@ -14406,7 +14406,8 @@ INLINE void static add_property_struct(char *func_name,
   print_token("@");
   print_token(func_name);
 
-  if (is_SPMD_mode(mode)) {
+  if (mode >= mode_target_teams_distribute_parallel_for
+	        && mode <= mode_target_parallel_for_simd) {
     print_token("__exec_mode = weak constant i8 2\n");
   }
   else {

tools/flang2/flang2exe/kmpcutil.cpp

@@ -1736,11 +1736,19 @@ ll_make_kmpc_target_init(OMP_TARGET_MODE mode)
   int args[4];
 
   args[3] = gen_null_arg(); /* ident */
-  if (is_SPMD_mode(mode)) {
+  if (mode >= mode_target_teams_distribute_parallel_for &&
+      mode <= mode_target_parallel_for_simd) {
     args[2] = ad_icon(2); /* SPMD Mode */
     args[1] = ad_icon(0); /* UseGenericStateMachine */
-    args[0] = ad_icon(0); /* RequiresFullRuntime */
-//    args[0] = ad_icon(1); /* RequiresFullRuntime */
+    if (mode == mode_target_parallel) {
+     /* RequiresFullRuntime - kmpc_parallel_51 requires full runtime */
+     args[0] = ad_icon(1);
+    }
+    else {
+     /* RequiresFullRuntime - Old Fortran OpenMP API does not require
+      * full runtime */
+       args[0] = ad_icon(0);
+    }
   } else {
     args[2] = ad_icon(1); /* Generic mode */
     args[1] = ad_icon(1); /* UseGenericStateMachine */
@@ -1851,10 +1859,18 @@ ll_make_kmpc_target_deinit(OMP_TARGET_MODE mode)
   int args[3];
 
   args[2] = gen_null_arg(); /* ident */
-  if (is_SPMD_mode(mode)) {
+  if (mode >= mode_target_teams_distribute_parallel_for &&
+      mode <= mode_target_parallel_for_simd) {
     args[1] = ad_icon(2); /* SPMD Mode */
-    args[0] = ad_icon(0); /* RequiresFullRuntime */
-//    args[0] = ad_icon(1); /* RequiresFullRuntime */
+    if (mode == mode_target_parallel) {
+     /* RequiresFullRuntime - kmpc_parallel_51 requires full runtime */
+     args[0] = ad_icon(1);
+    }
+    else {
+     /* RequiresFullRuntime - Old Fortran OpenMP API does not require
+      * full runtime */
+       args[0] = ad_icon(0);
+    }
   } else {
     args[1] = ad_icon(1); /* Generic mode */
     args[0] = ad_icon(1); /* RequiresFullRuntime */

tools/flang2/flang2exe/ompaccel.cpp

@@ -3726,8 +3726,7 @@ ompaccel_set_target_declare() {
 }
 
 bool is_SPMD_mode(OMP_TARGET_MODE mode) {
-  if (mode >= mode_target_teams_distribute_parallel_for
-      && mode <= mode_target_parallel_for_simd) {
+  if (mode == mode_target_parallel) {
     return true;
   }
   return false;