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nir: Move propagation of cast derefs to a new nir_opt_deref pass

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We're going to want to do more deref optimizations going forward and
this gives us a central place to do them.  Also, cast propagation will
get a bit more complicated with the addition of ptr_as_array derefs.

Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
This commit is contained in:
Jason Ekstrand
2018-12-13 11:08:13 -06:00
committed by Jason Ekstrand
parent bf1a1eed88
commit fc9c4f89b8
7 changed files with 75 additions and 30 deletions
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src/amd/vulkan/radv_shader.c
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@@ -265,7 +265,7 @@ radv_shader_compile_to_nir(struct radv_device *device,
NIR_PASS_V(nir, nir_lower_constant_initializers, nir_var_local);
NIR_PASS_V(nir, nir_lower_returns);
NIR_PASS_V(nir, nir_inline_functions);
NIR_PASS_V(nir, nir_copy_prop);
NIR_PASS_V(nir, nir_opt_deref);
/* Pick off the single entrypoint that we want */
foreach_list_typed_safe(nir_function, func, node, &nir->functions) {