Working around bug with aliasing in-place input->output flows.
Issue filed in #16168.
diff --git a/tests/e2e/matmul/generate_e2e_matmul_tests.py b/tests/e2e/matmul/generate_e2e_matmul_tests.py
index 125fd3e..453e1c5 100644
--- a/tests/e2e/matmul/generate_e2e_matmul_tests.py
+++ b/tests/e2e/matmul/generate_e2e_matmul_tests.py
@@ -584,8 +584,13 @@
op = op + generate_random_matrix("rhs", [shape.k, shape.n], lhs_rhs_type)
if shape.accumulate:
op = op + generate_random_matrix("acc", [shape.m, shape.n], acc_type)
+ # TODO(#16168): there's a bug with in-place input->output aliasing and
+ # we work around it here by passing in a unique copy.
+ global pseudorandom_generator_seed
+ pseudorandom_generator_seed = pseudorandom_generator_seed - 1
+ op = op + generate_random_matrix("acc_copy", [shape.m, shape.n], acc_type)
op = op + (
- f" %result = call @module.{function.name}(%lhs, %rhs, %acc) : (!hal.buffer_view, !hal.buffer_view, !hal.buffer_view) -> !hal.buffer_view\n"
+ f" %result = call @module.{function.name}(%lhs, %rhs, %acc_copy) : (!hal.buffer_view, !hal.buffer_view, !hal.buffer_view) -> !hal.buffer_view\n"
)
else:
op = op + (
