From 95b513c937346f179cbddc8ac6e512a634aeab9e Mon Sep 17 00:00:00 2001 From: Timothy Arceri Date: Wed, 7 Nov 2018 15:20:41 +1100 Subject: [PATCH] radv: make use of nir_move_out_const_to_consumer() vkpipeline-db results: Totals from affected shaders: SGPRS: 28400 -> 28576 (0.62 %) VGPRS: 27916 -> 27692 (-0.80 %) Spilled SGPRs: 140 -> 138 (-1.43 %) Spilled VGPRs: 0 -> 0 (0.00 %) Private memory VGPRs: 0 -> 0 (0.00 %) Scratch size: 0 -> 0 (0.00 %) dwords per thread Code Size: 1534456 -> 1520560 (-0.91 %) bytes LDS: 0 -> 0 (0.00 %) blocks Max Waves: 3541 -> 3582 (1.16 %) Wait states: 0 -> 0 (0.00 %) Reviewed-by: Samuel Pitoiset --- src/amd/vulkan/radv_pipeline.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c index a126c036073..33076cc2bd2 100644 --- a/src/amd/vulkan/radv_pipeline.c +++ b/src/amd/vulkan/radv_pipeline.c @@ -1814,6 +1814,10 @@ radv_link_shaders(struct radv_pipeline *pipeline, nir_shader **shaders) nir_lower_io_arrays_to_elements(ordered_shaders[i], ordered_shaders[i - 1]); + if (nir_link_constant_varyings(ordered_shaders[i], + ordered_shaders[i - 1])) + radv_optimize_nir(ordered_shaders[i - 1], false, false); + nir_remove_dead_variables(ordered_shaders[i], nir_var_shader_out); nir_remove_dead_variables(ordered_shaders[i - 1], -- 2.30.2