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authorMathieu Bridon <[email protected]>2018-08-09 10:27:19 +0200
committerDylan Baker <[email protected]>2018-08-09 16:49:18 -0700
commitd9ca4a172e8e8a42217588ca1b83a7ceb5bf3f76 (patch)
treea70fccee99267b2f5be7cda282d9cad35f77f471
parentb618d7ea59a4d7da9823e02ac5608a67fd99b332 (diff)
python: Use the right function for the job
The code was just reimplementing itertools.combinations_with_replacement in a less efficient way. This does change the order of the results slightly, but it should be ok. Signed-off-by: Mathieu Bridon <[email protected]> Reviewed-by: Dylan Baker <[email protected]>
-rw-r--r--src/compiler/nir/nir_opt_algebraic.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/compiler/nir/nir_opt_algebraic.py b/src/compiler/nir/nir_opt_algebraic.py
index ac53d77383d..e770a61d9ff 100644
--- a/src/compiler/nir/nir_opt_algebraic.py
+++ b/src/compiler/nir/nir_opt_algebraic.py
@@ -723,7 +723,7 @@ optimizations = [
invert = OrderedDict([('feq', 'fne'), ('fne', 'feq'), ('fge', 'flt'), ('flt', 'fge')])
-for left, right in list(itertools.combinations(invert.keys(), 2)) + zip(invert.keys(), invert.keys()):
+for left, right in itertools.combinations_with_replacement(invert.keys(), 2):
optimizations.append((('inot', ('ior(is_used_once)', (left, a, b), (right, c, d))),
('iand', (invert[left], a, b), (invert[right], c, d))))
optimizations.append((('inot', ('iand(is_used_once)', (left, a, b), (right, c, d))),