transforms.iodelay_estimator: actually iterate to fixpoint.

2015-11-17 00:59:40 +03:00 · 2015-11-17 00:59:40 +03:00 · 44d0a35409
parent 10f82ff2c8
commit 44d0a35409
1 changed files with 3 additions and 0 deletions
--- a/artiq/compiler/transforms/iodelay_estimator.py
+++ b/artiq/compiler/transforms/iodelay_estimator.py
@ -108,7 +108,10 @@ class IODelayEstimator(algorithm.Visitor):
            return

        try:
+            old_delay = typ.delay.find()
            typ.delay.unify(delay)
+            if typ.delay.find() != old_delay:
+                self.changed = True
        except types.UnificationError as e:
            printer = types.TypePrinter()
            diag = diagnostic.Diagnostic("fatal",