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lima/ppir: don't lower phis to scalar 

Utgard PP is vec4 architecture, so lowering phis to scalars
increases instruction count and potentially interferes with
spilling.

Tested-by: Andreas Baierl <ichgeh@imkreisrum.de>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
This commit is contained in:
Vasily Khoruzhick 2019-08-28 23:09:38 -07:00
parent feea5986a9
commit aa77fc309a
1 changed files with 0 additions and 1 deletions
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src/gallium/drivers/lima/lima_program.c
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@ -209,7 +209,6 @@ lima_program_optimize_fs_nir(struct nir_shader *s)
NIR_PASS_V(s, nir_lower_vars_to_ssa);
NIR_PASS(progress, s, nir_lower_alu_to_scalar, lima_alu_to_scalar_filter_cb, NULL);
NIR_PASS(progress, s, nir_lower_phis_to_scalar);
NIR_PASS(progress, s, nir_copy_prop);
NIR_PASS(progress, s, nir_opt_remove_phis);
NIR_PASS(progress, s, nir_opt_dce);