radv: call nir_shader_gather_info again

pipeline-db (Navi, ACO):
Totals from affected shaders:
SGPRS: 11840 -> 11840 (0.00 %)
VGPRS: 19012 -> 19124 (0.59 %)
Spilled SGPRs: 0 -> 0 (0.00 %)
Spilled VGPRs: 0 -> 0 (0.00 %)
Scratch size: 3696 -> 3696 (0.00 %) dwords per thread
Code Size: 998680 -> 921388 (-7.74 %) bytes
LDS: 19646 -> 19646 (0.00 %) blocks
Max Waves: 3398 -> 3401 (0.09 %)

pipeline-db (Navi, LLVM):
Totals from affected shaders:
SGPRS: 17016 -> 17128 (0.66 %)
VGPRS: 19564 -> 14876 (-23.96 %)
Spilled SGPRs: 0 -> 0 (0.00 %)
Spilled VGPRs: 0 -> 0 (0.00 %)
Scratch size: 3872 -> 3872 (0.00 %) dwords per thread
Code Size: 820416 -> 743576 (-9.37 %) bytes
LDS: 0 -> 0 (0.00 %) blocks
Max Waves: 3367 -> 3534 (4.96 %)

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-By: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4193>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4193>

diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c
index 01db4c93e17405bce8017563c32ab731b4ca5721..f414437e2a39fb0cdac8478ebfd671362ea26456 100644 (file)
--- a/src/amd/vulkan/radv_pipeline.c
+++ b/src/amd/vulkan/radv_pipeline.c
@@ -2846,6 +2846,9 @@ void radv_create_shaders(struct radv_pipeline *pipeline,
 
        for (int i = 0; i < MESA_SHADER_STAGES; ++i) {
                if (nir[i]) {
+                       /* do this again since information such as outputs_read can be out-of-date */
+                       nir_shader_gather_info(nir[i], nir_shader_get_entrypoint(nir[i]));
+
                        if (device->physical_device->use_aco) {
                                NIR_PASS_V(nir[i], nir_lower_non_uniform_access,
                                           nir_lower_non_uniform_ubo_access |