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nir/opt_load_store_vectorize: don't vectorize stores across demote

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Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Fixes: ce9205c03b ("nir: add a load/store vectorization pass")
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7163>
(cherry picked from commit f8e971f511)
This commit is contained in:
Rhys Perry 2020-10-15 14:13:36 +01:00 • committed by Dylan Baker
parent a3b0904eb9
commit fa22dff663
3 changed files with 8 additions and 1 deletions
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2
.pick_status.json
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@ -130,7 +130,7 @@
"description": "nir/opt_load_store_vectorize: don't vectorize stores across demote",
"nominated": true,
"nomination_type": 1,
"resolution": 0,
"resolution": 1,
"master_sha": null,
"because_sha": "ce9205c03bd20d26af23ca891e97a9f848a612d1"
},

5
src/compiler/nir/nir_opt_load_store_vectorize.c
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@ -1219,6 +1219,11 @@ handle_barrier(struct vectorize_ctx *ctx, bool *progress, nir_function_impl *imp
case nir_intrinsic_discard:
modes = nir_var_all;
break;
case nir_intrinsic_demote_if:
case nir_intrinsic_demote:
acquire = false;
modes = nir_var_all;
break;
case nir_intrinsic_memory_barrier_buffer:
modes = nir_var_mem_ssbo | nir_var_mem_global;
break;

2
src/compiler/nir/nir_schedule.c
View file

@ -355,6 +355,8 @@ nir_schedule_intrinsic_deps(nir_deps_state *state,
case nir_intrinsic_discard:
case nir_intrinsic_discard_if:
case nir_intrinsic_demote:
case nir_intrinsic_demote_if:
/* We are adding two dependencies:
*
* * A individual one that we could use to add a read_dep while handling