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Add check for QNN_SDK_ROOT in hadamard pass (#21815) #21815

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Merged
meta-codesync merged 1 commit into from
Aug 13, 2026
Merged

Add check for QNN_SDK_ROOT in hadamard pass (#21815) #21815

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3 changes: 2 additions & 1 deletion backends/qualcomm/_passes/recompose_hadamard.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
#
# This source code is licensed under the BSD-style license found in the
# LICENSE file in the root directory of this source tree.
import os
from operator import attrgetter

import torch
Expand Down Expand Up @@ -156,7 +157,7 @@ def _is_hadamard_transform(self, graph_module, node):
def call(self, graph_module: torch.fx.GraphModule):
# HadamardTransform is only supported by QNN 2.47+. On older SDKs skip the
# rewrite so the op keeps its normal lowering path.
if is_qnn_sdk_version_less_than("2.47"):
if not os.environ.get("QNN_SDK_ROOT") or is_qnn_sdk_version_less_than("2.47"):
return PassResult(graph_module, False)

graph = graph_module.graph
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