[flang-commits] [flang] [flang] Do not honor -fstack-arrays inside offload regions (PR #227537)

[Zhen Wang via flang-commits]

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@@ -152,6 +154,10 @@ void AllocationPlacementPass::runOnOperation() {
                                smallArrayThresholdBytes);
   fir::overrideIfExplicitlySet(basePolicy.totalStackLimitBytes,
                                totalStackLimitBytes);
+  // An acc routine is compiled for the device as well, so -fstack-arrays
+  // cannot be honored in it, as in a device procedure.
+  if (mlir::acc::isAccRoutine(func))
+    basePolicy.stackArrays = false;
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wangzpgi wrote:

Done. Lowering now records the device policy on the routine in `attachRoutineInfo`.

https://github.com/llvm/llvm-project/pull/227537