[llvm-branch-commits] [clang] [clang][OpenMP] Rewrite `getOpenMPCaptureRegions` in terms of leafs (PR #97110)

[Alexey Bataev via llvm-branch-commits]

================
@@ -747,105 +747,79 @@ void clang::getOpenMPCaptureRegions(
   assert(unsigned(DKind) < llvm::omp::Directive_enumSize);
   assert(isOpenMPCapturingDirective(DKind) && "Expecting capturing directive");
 
-  switch (DKind) {
-  case OMPD_metadirective:
-    CaptureRegions.push_back(OMPD_metadirective);
-    break;
-  case OMPD_parallel:
-  case OMPD_parallel_for:
-  case OMPD_parallel_for_simd:
-  case OMPD_parallel_master:
-  case OMPD_parallel_masked:
-  case OMPD_parallel_sections:
-  case OMPD_distribute_parallel_for:
-  case OMPD_distribute_parallel_for_simd:
-  case OMPD_parallel_loop:
-    CaptureRegions.push_back(OMPD_parallel);
-    break;
-  case OMPD_target_teams:
-  case OMPD_target_teams_distribute:
-  case OMPD_target_teams_distribute_simd:
-    CaptureRegions.push_back(OMPD_task);
-    CaptureRegions.push_back(OMPD_target);
-    CaptureRegions.push_back(OMPD_teams);
-    break;
-  case OMPD_teams:
-  case OMPD_teams_distribute:
-  case OMPD_teams_distribute_simd:
-    CaptureRegions.push_back(OMPD_teams);
-    break;
-  case OMPD_target:
-  case OMPD_target_simd:
-    CaptureRegions.push_back(OMPD_task);
-    CaptureRegions.push_back(OMPD_target);
-    break;
-  case OMPD_teams_loop:
-  case OMPD_teams_distribute_parallel_for:
-  case OMPD_teams_distribute_parallel_for_simd:
-    CaptureRegions.push_back(OMPD_teams);
-    CaptureRegions.push_back(OMPD_parallel);
-    break;
-  case OMPD_target_parallel:
-  case OMPD_target_parallel_for:
-  case OMPD_target_parallel_for_simd:
-  case OMPD_target_parallel_loop:
-    CaptureRegions.push_back(OMPD_task);
-    CaptureRegions.push_back(OMPD_target);
-    CaptureRegions.push_back(OMPD_parallel);
-    break;
-  case OMPD_task:
-  case OMPD_target_enter_data:
-  case OMPD_target_exit_data:
-  case OMPD_target_update:
-    CaptureRegions.push_back(OMPD_task);
-    break;
-  case OMPD_taskloop:
-  case OMPD_taskloop_simd:
-  case OMPD_master_taskloop:
-  case OMPD_master_taskloop_simd:
-  case OMPD_masked_taskloop:
-  case OMPD_masked_taskloop_simd:
-    CaptureRegions.push_back(OMPD_taskloop);
-    break;
-  case OMPD_parallel_masked_taskloop:
-  case OMPD_parallel_masked_taskloop_simd:
-  case OMPD_parallel_master_taskloop:
-  case OMPD_parallel_master_taskloop_simd:
-    CaptureRegions.push_back(OMPD_parallel);
-    CaptureRegions.push_back(OMPD_taskloop);
-    break;
-  case OMPD_target_teams_loop:
-  case OMPD_target_teams_distribute_parallel_for:
-  case OMPD_target_teams_distribute_parallel_for_simd:
-    CaptureRegions.push_back(OMPD_task);
-    CaptureRegions.push_back(OMPD_target);
-    CaptureRegions.push_back(OMPD_teams);
-    CaptureRegions.push_back(OMPD_parallel);
-    break;
-  case OMPD_nothing:
-    CaptureRegions.push_back(OMPD_nothing);
-    break;
-  case OMPD_loop:
-    // TODO: 'loop' may require different capture regions depending on the bind
-    // clause or the parent directive when there is no bind clause. Use
-    // OMPD_unknown for now.
-  case OMPD_simd:
-  case OMPD_for:
-  case OMPD_for_simd:
-  case OMPD_sections:
-  case OMPD_single:
-  case OMPD_taskgroup:
-  case OMPD_distribute:
-  case OMPD_ordered:
-  case OMPD_target_data:
-  case OMPD_distribute_simd:
-  case OMPD_scope:
-  case OMPD_dispatch:
+  auto getRegionsForLeaf = [&](OpenMPDirectiveKind LKind) {
----------------
alexey-bataev wrote:

```suggestion
  auto GetRegionsForLeaf = [&](OpenMPDirectiveKind LKind) {
```


https://github.com/llvm/llvm-project/pull/97110