[Openmp-commits] [openmp] Update OpenMP runtime to adopt taskgraph clause from 6.0 Specs (PR #130751)

[Josep Pinot via Openmp-commits]

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@@ -5454,25 +5447,86 @@ bool __kmpc_omp_has_task_team(kmp_int32 gtid) {
 
 #if OMPX_TASKGRAPH
 // __kmp_find_tdg: identify a TDG through its ID
-// gtid:   Global Thread ID
 // tdg_id: ID of the TDG
 // returns: If a TDG corresponding to this ID is found and not
 // its initial state, return the pointer to it, otherwise nullptr
 static kmp_tdg_info_t *__kmp_find_tdg(kmp_int32 tdg_id) {
   kmp_tdg_info_t *res = nullptr;
+  kmp_int32 i = 0;
   if (__kmp_max_tdgs == 0)
     return res;
 
   if (__kmp_global_tdgs == NULL)
     __kmp_global_tdgs = (kmp_tdg_info_t **)__kmp_allocate(
         sizeof(kmp_tdg_info_t *) * __kmp_max_tdgs);
 
-  if ((__kmp_global_tdgs[tdg_id]) &&
-      (__kmp_global_tdgs[tdg_id]->tdg_status != KMP_TDG_NONE))
-    res = __kmp_global_tdgs[tdg_id];
+  for (i = 0; i < __kmp_max_tdgs; i++) {
+    if (__kmp_global_tdgs[i] && __kmp_global_tdgs[i]->tdg_id == tdg_id) {
+      if (__kmp_global_tdgs[i]->tdg_status != KMP_TDG_NONE) {
+        res = __kmp_global_tdgs[i];
+      }
+      break;
+    }
+  }
+  return res;
+}
+
+// __kmp_alloc_tdg: Allocates a TDG if it doesn't already exist.
+// tdg_id: ID of the TDG.
+// returns: A pointer to the TDG if it already exists. Otherwise,
+// allocates a new TDG if the maximum limit has not been reached.
+// Returns nullptr if no TDG can be allocated.
+static kmp_tdg_info_t *__kmp_alloc_tdg(kmp_int32 tdg_id) {
+  kmp_tdg_info_t *res = nullptr;
+  kmp_int32 i = 0;
+  if ((res = __kmp_find_tdg(tdg_id))) {
+    return res;
+  }
+  if (__kmp_num_tdg > __kmp_max_tdgs) {
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jpinot wrote:

removed braces

https://github.com/llvm/llvm-project/pull/130751