Mesa (master): nir/algebraic: Fix a typo in the bit size validation code

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Module: Mesa
Branch: master
Commit: ecb7775e1cac7f3119e5d1c31ce1572509c0f1bb
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=ecb7775e1cac7f3119e5d1c31ce1572509c0f1bb

Author: Jason Ekstrand <jason.ekstrand at intel.com>
Date:   Mon Oct 22 18:29:52 2018 -0500

nir/algebraic: Fix a typo in the bit size validation code

The conon_bit_class and canon_var_class variables got switched.

Fixes: 932c650e0b "nir/algebraic: Loosen a restriction on variables"
Reported-by: Ian Romanick <ian.d.romanick at intel.com>
Reviewed-by: Ian Romanick <ian.d.romanick at intel.com>

---

 src/compiler/nir/nir_algebraic.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/compiler/nir/nir_algebraic.py b/src/compiler/nir/nir_algebraic.py
index 4134d49603..17f64625fe 100644
--- a/src/compiler/nir/nir_algebraic.py
+++ b/src/compiler/nir/nir_algebraic.py
@@ -362,8 +362,8 @@ class BitSizeValidator(object):
       if var_class == 0:
          self._var_classes[var.index] = bit_class
       else:
-         canon_bit_class = self._class_relation.get_canonical(var_class)
-         canon_var_class = self._class_relation.get_canonical(bit_class)
+         canon_var_class = self._class_relation.get_canonical(var_class)
+         canon_bit_class = self._class_relation.get_canonical(bit_class)
          assert canon_var_class < 0 or canon_bit_class < 0 or \
                 canon_var_class == canon_bit_class, \
                 'Variable {0} cannot be both {1}-bit and {2}-bit' \