================
@@ -860,7 +867,25 @@ static void runIslScheduleOptimizer(
SC = SC.set_proximity(Proximity);
SC = SC.set_validity(Validity);
SC = SC.set_coincidence(Validity);
+
+ // Save error handling behavior
+ long MaxOperations = isl_ctx_get_max_operations(Ctx);
+ isl_ctx_set_max_operations(Ctx, ScheduleComputeOut);
Schedule = SC.compute_schedule();
+ bool ScheduleQuota = false;
+ if (isl_ctx_last_error(Ctx) == isl_error_quota) {
+ isl_ctx_reset_error(Ctx);
+ LLVM_DEBUG(
+ dbgs() << "Schedule optimizer calculation exceeds ISL quota\n");
+ ScheduleQuota = true;
+ }
+ isl_options_set_on_error(Ctx, ISL_ON_ERROR_ABORT);
----------------
efriedma-quic wrote:
This isl_options_set_on_error call doesn't seem right; we should move the
existing call to `isl_options_set_on_error(Ctx, OnErrorStatus);` before the
early return.
(Not sure my suggested change actually has any visible effect given the actual
usage of isl here, but still, it's confusing to save the on_error and not
restore it properly.)
https://github.com/llvm/llvm-project/pull/75141
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