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agx: defer nir_opt_idiv_const

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noticed in GS work.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35797>
This commit is contained in:
Alyssa Rosenzweig 2025-04-24 17:05:44 -04:00 • committed by Marge Bot
parent 53e3e44eb3
commit d3adef3164
1 changed files with 10 additions and 10 deletions
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20
src/asahi/compiler/agx_compile.c
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@ -3773,16 +3773,6 @@ agx_preprocess_nir(nir_shader *nir)
/* Clean up deref gunk after lowering I/O */ /* Clean up deref gunk after lowering I/O */
NIR_PASS(_, nir, nir_opt_dce); NIR_PASS(_, nir, nir_opt_dce);
/* Runs before we lower away idiv, to work at all. But runs after lowering
* textures, since the cube map array lowering generates division by 6.
*/
NIR_PASS(_, nir, nir_opt_idiv_const, 16);
nir_lower_idiv_options idiv_options = {
.allow_fp16 = true,
};
NIR_PASS(_, nir, nir_lower_idiv, &idiv_options);
NIR_PASS(_, nir, nir_lower_frexp); NIR_PASS(_, nir, nir_lower_frexp);
NIR_PASS(_, nir, nir_lower_alu); NIR_PASS(_, nir, nir_lower_alu);
NIR_PASS(_, nir, nir_lower_alu_to_scalar, NULL, NULL); NIR_PASS(_, nir, nir_lower_alu_to_scalar, NULL, NULL);
@ -3802,6 +3792,16 @@ agx_preprocess_nir(nir_shader *nir)
*/ */
agx_optimize_loop_nir(nir); agx_optimize_loop_nir(nir);
/* Lower idiv after an optimization loop so we can constant fold more before
* nir_opt_idiv_const.
*/
NIR_PASS(_, nir, nir_opt_idiv_const, 16);
nir_lower_idiv_options idiv_options = {
.allow_fp16 = true,
};
NIR_PASS(_, nir, nir_lower_idiv, &idiv_options);
NIR_PASS(_, nir, nir_opt_deref); NIR_PASS(_, nir, nir_opt_deref);
NIR_PASS(_, nir, nir_lower_vars_to_ssa); NIR_PASS(_, nir, nir_lower_vars_to_ssa);