nir/glsl: Remove dead function parameter handling code

NIR has never been used on IR where we haven't already done function
inlining so this code has been dead from the beginning.  Let's just get rid
of it for now.  We can always put it back in if we decide to use NIR for
function inlining at some point in the future.

Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>

diff --git a/src/compiler/nir/glsl_to_nir.cpp b/src/compiler/nir/glsl_to_nir.cpp
index a23fba750103d7c6d72ab209260c17516cf74e68..613b138ae59e09e2f8a8192b51f5dadff2e3f9fe 100644 (file)
--- a/src/compiler/nir/glsl_to_nir.cpp
+++ b/src/compiler/nir/glsl_to_nir.cpp
@@ -441,34 +441,8 @@ nir_visitor::create_function(ir_function_signature *ir)
 
    nir_function *func = nir_function_create(shader, ir->function_name());
 
-   unsigned num_params = ir->parameters.length();
-   func->num_params = num_params;
-   func->params = ralloc_array(shader, nir_parameter, num_params);
-
-   unsigned i = 0;
-   foreach_in_list(ir_variable, param, &ir->parameters) {
-      switch (param->data.mode) {
-      case ir_var_function_in:
-         func->params[i].param_type = nir_parameter_in;
-         break;
-
-      case ir_var_function_out:
-         func->params[i].param_type = nir_parameter_out;
-         break;
-
-      case ir_var_function_inout:
-         func->params[i].param_type = nir_parameter_inout;
-         break;
-
-      default:
-         unreachable("not reached");
-      }
-
-      func->params[i].type = param->type;
-      i++;
-   }
-
-   func->return_type = ir->return_type;
+   assert(ir->parameters.is_empty());
+   assert(ir->return_type == glsl_type::void_type);
 
    _mesa_hash_table_insert(this->overload_table, ir, func);
 }
@@ -496,24 +470,9 @@ nir_visitor::visit(ir_function_signature *ir)
       nir_function_impl *impl = nir_function_impl_create(func);
       this->impl = impl;
 
-      unsigned num_params = func->num_params;
-      impl->num_params = num_params;
-      impl->params = ralloc_array(this->shader, nir_variable *, num_params);
-      unsigned i = 0;
-      foreach_in_list(ir_variable, param, &ir->parameters) {
-         param->accept(this);
-         impl->params[i] = this->var;
-         i++;
-      }
-
-      if (func->return_type == glsl_type::void_type) {
-         impl->return_var = NULL;
-      } else {
-         impl->return_var = ralloc(this->shader, nir_variable);
-         impl->return_var->name = ralloc_strdup(impl->return_var,
-                                                "return_var");
-         impl->return_var->type = func->return_type;
-      }
+      assert(strcmp(func->name, "main") == 0);
+      assert(ir->parameters.is_empty());
+      assert(func->return_type == glsl_type::void_type);
 
       this->is_global = false;