compiler.iodelay: fold Max further.

2015-11-17 03:06:07 +03:00 · 2015-11-17 03:06:07 +03:00 · 956d2afcb2
commit 956d2afcb2
parent 7d2fca291d
1 changed files with 1 additions and 1 deletions
--- a/artiq/compiler/iodelay.py
+++ b/artiq/compiler/iodelay.py
@ -213,7 +213,7 @@ class Max(Expr):
            operand = operand.fold(vars)
            if isinstance(operand, Const):
                consts.append(operand.value)
-            else:
+            elif operand not in exprs:
                exprs.append(operand)
        if any(consts):
            exprs.append(Const(max(consts)))