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radv: don't lower indirects until after opts have run 

Noticed while passing by. Not sure if it impacts anything, but
likely to impact GFX9 more than anything else since we lower
inputs, outputs and locals there.

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Timothy Arceri 2018-03-08 16:20:48 +11:00
parent dfe2f19855
commit 9a243eccae
1 changed files with 8 additions and 1 deletions
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9
src/amd/vulkan/radv_shader.c
View File

@ -275,7 +275,6 @@ radv_shader_compile_to_nir(struct radv_device *device,
nir_lower_var_copies(nir);
nir_lower_global_vars_to_local(nir);
nir_remove_dead_variables(nir, nir_var_local);
ac_lower_indirect_derefs(nir, device->physical_device->rad_info.chip_class);
nir_lower_subgroups(nir, &(struct nir_lower_subgroups_options) {
.subgroup_size = 64,
.ballot_bit_size = 64,
@ -287,6 +286,14 @@ radv_shader_compile_to_nir(struct radv_device *device,
radv_optimize_nir(nir);
/* Indirect lowering must be called after the radv_optimize_nir() loop
* has been called at least once. Otherwise indirect lowering can
* bloat the instruction count of the loop and cause it to be
* considered too large for unrolling.
*/
ac_lower_indirect_derefs(nir, device->physical_device->rad_info.chip_class);
radv_optimize_nir(nir);
return nir;
}