Drop horizontal fusion flag from SD3 since the backend doesnt support…

… this yet. Previous implementation of horizontal fusion missed opportunities for horizontal fusion in SD3, but now they do get picked up, but the backend doesnt work on these. Dropping the flag is a no-op for the test since there was no horizontal fusion to start with. Signed-off-by: MaheshRavishankar <[email protected]>
iree-org · Feb 14, 2025 · a27128a · a27128a
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diff --git a/experimental/regression_suite/shark-test-suite-models/sd3/test_clip.py b/experimental/regression_suite/shark-test-suite-models/sd3/test_clip.py
@@ -111,7 +111,6 @@ def SD3_CLIP_COMMON_RUN_FLAGS(
     "--iree-hip-waves-per-eu=2",
     "--iree-llvmgpu-enable-prefetch",
     "--iree-dispatch-creation-enable-aggressive-fusion",
-    "--iree-dispatch-creation-enable-fuse-horizontal-contractions=true",
     "--iree-opt-aggressively-propagate-transposes=true",
     "--iree-codegen-llvmgpu-use-vector-distribution=true",
     "--iree-execution-model=async-external",

diff --git a/experimental/regression_suite/shark-test-suite-models/sd3/test_mmdit.py b/experimental/regression_suite/shark-test-suite-models/sd3/test_mmdit.py
@@ -85,7 +85,6 @@ def SD3_MMDIT_COMMON_RUN_FLAGS(
     f"--iree-hip-target={rocm_chip}",
     "--iree-opt-const-eval=false",
     "--iree-global-opt-propagate-transposes=true",
-    "--iree-dispatch-creation-enable-fuse-horizontal-contractions=true",
     "--iree-dispatch-creation-enable-aggressive-fusion=true",
     "--iree-opt-aggressively-propagate-transposes=true",
     "--iree-opt-outer-dim-concat=true",