[Openmp-commits] [openmp] [OpenMP] Add Environment Variable to disable Reuse of Blocks for High Loop Trip Counts (PR #89239)

[Joseph Huber via Openmp-commits]

================
@@ -705,8 +705,12 @@ uint64_t GenericKernelTy::getNumBlocks(GenericDeviceTy &GenericDevice,
       TripCountNumBlocks = LoopTripCount;
     }
   }
+
+  uint32_t PreferredNumBlocks = TripCountNumBlocks;
   // If the loops are long running we rather reuse blocks than spawn too many.
-  uint32_t PreferredNumBlocks = std::min(TripCountNumBlocks, DefaultNumBlocks);
+  if (GenericDevice.getReuseBlocksForHighTripCount()) {
+    PreferredNumBlocks = std::min(TripCountNumBlocks, DefaultNumBlocks);
+  }
----------------
jhuber6 wrote:

```suggestion
  if (GenericDevice.getReuseBlocksForHighTripCount())
    PreferredNumBlocks = std::min(TripCountNumBlocks, DefaultNumBlocks);
```

https://github.com/llvm/llvm-project/pull/89239