From 45bd98f8ae8cd8e752783f88a586dd3055056da1 Mon Sep 17 00:00:00 2001
From: Dominic Kempf <dominic.kempf@iwr.uni-heidelberg.de>
Date: Fri, 19 Aug 2016 13:33:29 +0200
Subject: [PATCH] Remove empty set from insn_deps (again)
---
loopy/transform/iname.py | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/loopy/transform/iname.py b/loopy/transform/iname.py
index 7ecd1abc7..8e6f57cc8 100644
--- a/loopy/transform/iname.py
+++ b/loopy/transform/iname.py
@@ -913,7 +913,10 @@ def get_iname_duplication_options(knl, use_boostable_into=False):
-
frozenset([frozenset([])]))
else:
- insn_deps = frozenset(insn.forced_iname_deps for insn in knl.instructions)
+ insn_deps = (
+ frozenset(insn.forced_iname_deps for insn in knl.instructions)
+ -
+ frozenset([frozenset([])]))
# Get the duplication options as a tuple of iname and a set
for iname, insns in _get_iname_duplication_options(insn_deps):
--
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