aco: implement VS input loads with prologs

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11717>

src/amd/compiler/aco_insert_waitcnt.cpp

@@ -770,6 +770,13 @@ insert_wait_states(Program* program)
    std::stack<unsigned, std::vector<unsigned>> loop_header_indices;
    unsigned loop_progress = 0;
 
+   if (program->stage.has(SWStage::VS) && program->info->vs.dynamic_inputs) {
+      for (Definition def : program->vs_inputs) {
+         update_counters(in_ctx[0], event_vmem);
+         insert_wait_entry(in_ctx[0], def, event_vmem);
+      }
+   }
+
    for (unsigned i = 0; i < program->blocks.size();) {
       Block& current = program->blocks[i++];
       wait_ctx ctx = in_ctx[current.index];