radv: remove the LLVM stat about the number of private VGPRs

This doesn't seem really useful.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12999>

src/amd/vulkan/radv_nir_to_llvm.c

@@ -2605,10 +2605,6 @@ ac_translate_nir_to_llvm(struct ac_llvm_compiler *ac_llvm, struct nir_shader *co
    if (shader_count == 1)
       ac_nir_eliminate_const_vs_outputs(&ctx);
 
-   if (args->options->dump_shader) {
-      args->shader_info->private_mem_vgprs = ac_count_scratch_private_memory(ctx.main_function);
-   }
-
    return ctx.ac.module;
 }
 

src/amd/vulkan/radv_pipeline.c

@@ -5979,14 +5979,6 @@ radv_GetPipelineExecutableStatisticsKHR(VkDevice _device,
    }
    ++s;
 
-   if (s < end) {
-      desc_copy(s->name, "PrivMem VGPRs");
-      desc_copy(s->description, "Number of VGPRs stored in private memory per subgroup");
-      s->format = VK_PIPELINE_EXECUTABLE_STATISTIC_FORMAT_UINT64_KHR;
-      s->value.u64 = shader->info.private_mem_vgprs;
-   }
-   ++s;
-
    if (s < end) {
       desc_copy(s->name, "Code size");
       desc_copy(s->description, "Code size in bytes");

src/amd/vulkan/radv_shader.h

@@ -225,7 +225,6 @@ struct radv_shader_info {
    unsigned num_user_sgprs;
    unsigned num_input_sgprs;
    unsigned num_input_vgprs;
-   unsigned private_mem_vgprs;
    bool need_indirect_descriptor_sets;
    bool is_ngg;
    bool is_ngg_passthrough;