libX11 libXinerama mesa git update 1 Feb 2011

1 files changed, 471 insertions, 463 deletions

diff --git a/mesalib/src/glsl/ir_print_visitor.cpp b/mesalib/src/glsl/ir_print_visitor.cpp
index 3609c0e12..82ccc722f 100644
--- a/mesalib/src/glsl/ir_print_visitor.cpp
+++ b/mesalib/src/glsl/ir_print_visitor.cpp
@@ -1,463 +1,471 @@
-/*

- * Copyright © 2010 Intel Corporation

- *

- * Permission is hereby granted, free of charge, to any person obtaining a

- * copy of this software and associated documentation files (the "Software"),

- * to deal in the Software without restriction, including without limitation

- * the rights to use, copy, modify, merge, publish, distribute, sublicense,

- * and/or sell copies of the Software, and to permit persons to whom the

- * Software is furnished to do so, subject to the following conditions:

- *

- * The above copyright notice and this permission notice (including the next

- * paragraph) shall be included in all copies or substantial portions of the

- * Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER

- * DEALINGS IN THE SOFTWARE.

- */

-

-#include "ir_print_visitor.h"

-#include "glsl_types.h"

-#include "glsl_parser_extras.h"

-

-static void print_type(const glsl_type *t);

-

-void

-ir_instruction::print(void) const

-{

-   ir_instruction *deconsted = const_cast<ir_instruction *>(this);

-

-   ir_print_visitor v;

-   deconsted->accept(&v);

-}

-

-void

-_mesa_print_ir(exec_list *instructions,

-	       struct _mesa_glsl_parse_state *state)

-{

-   if (state) {

-      for (unsigned i = 0; i < state->num_user_structures; i++) {

-	 const glsl_type *const s = state->user_structures[i];

-

-	 printf("(structure (%s) (%s@%p) (%u) (\n",

-		s->name, s->name, (void *) s, s->length);

-

-	 for (unsigned j = 0; j < s->length; j++) {

-	    printf("\t((");

-	    print_type(s->fields.structure[j].type);

-	    printf(")(%s))\n", s->fields.structure[j].name);

-	 }

-

-	 printf(")\n");

-      }

-   }

-

-   printf("(\n");

-   foreach_iter(exec_list_iterator, iter, *instructions) {

-      ir_instruction *ir = (ir_instruction *)iter.get();

-      ir->print();

-      if (ir->ir_type != ir_type_function)

-	 printf("\n");

-   }

-   printf("\n)");

-}

-

-

-void ir_print_visitor::indent(void)

-{

-   for (int i = 0; i < indentation; i++)

-      printf("  ");

-}

-

-static void

-print_type(const glsl_type *t)

-{

-   if (t->base_type == GLSL_TYPE_ARRAY) {

-      printf("(array ");

-      print_type(t->fields.array);

-      printf(" %u)", t->length);

-   } else if ((t->base_type == GLSL_TYPE_STRUCT)

-	      && (strncmp("gl_", t->name, 3) != 0)) {

-      printf("%s@%p", t->name, (void *) t);

-   } else {

-      printf("%s", t->name);

-   }

-}

-

-

-void ir_print_visitor::visit(ir_variable *ir)

-{

-   printf("(declare ");

-

-   const char *const cent = (ir->centroid) ? "centroid " : "";

-   const char *const inv = (ir->invariant) ? "invariant " : "";

-   const char *const mode[] = { "", "uniform ", "in ", "out ", "inout ",

-			        "temporary " };

-   const char *const interp[] = { "", "flat", "noperspective" };

-

-   printf("(%s%s%s%s) ",

-	  cent, inv, mode[ir->mode], interp[ir->interpolation]);

-

-   print_type(ir->type);

-   printf(" %s@%p)", ir->name, (void *) ir);

-}

-

-

-void ir_print_visitor::visit(ir_function_signature *ir)

-{

-   printf("(signature ");

-   indentation++;

-

-   print_type(ir->return_type);

-   printf("\n");

-   indent();

-

-   printf("(parameters\n");

-   indentation++;

-

-   foreach_iter(exec_list_iterator, iter, ir->parameters) {

-      ir_variable *const inst = (ir_variable *) iter.get();

-

-      indent();

-      inst->accept(this);

-      printf("\n");

-   }

-   indentation--;

-

-   indent();

-   printf(")\n");

-

-   indent();

-

-   printf("(\n");

-   indentation++;

-

-   foreach_iter(exec_list_iterator, iter, ir->body) {

-      ir_instruction *const inst = (ir_instruction *) iter.get();

-

-      indent();

-      inst->accept(this);

-      printf("\n");

-   }

-   indentation--;

-   indent();

-   printf("))\n");

-   indentation--;

-}

-

-

-void ir_print_visitor::visit(ir_function *ir)

-{

-   printf("(function %s\n", ir->name);

-   indentation++;

-   foreach_iter(exec_list_iterator, iter, *ir) {

-      ir_function_signature *const sig = (ir_function_signature *) iter.get();

-      indent();

-      sig->accept(this);

-      printf("\n");

-   }

-   indentation--;

-   indent();

-   printf(")\n\n");

-}

-

-

-void ir_print_visitor::visit(ir_expression *ir)

-{

-   printf("(expression ");

-

-   print_type(ir->type);

-

-   printf(" %s ", ir->operator_string());

-

-   for (unsigned i = 0; i < ir->get_num_operands(); i++) {

-      ir->operands[i]->accept(this);

-   }

-

-   printf(") ");

-}

-

-

-void ir_print_visitor::visit(ir_texture *ir)

-{

-   printf("(%s ", ir->opcode_string());

-

-   ir->sampler->accept(this);

-   printf(" ");

-

-   ir->coordinate->accept(this);

-

-   printf(" (%d %d %d) ", ir->offsets[0], ir->offsets[1], ir->offsets[2]);

-

-   if (ir->op != ir_txf) {

-      if (ir->projector)

-	 ir->projector->accept(this);

-      else

-	 printf("1");

-

-      if (ir->shadow_comparitor) {

-	 printf(" ");

-	 ir->shadow_comparitor->accept(this);

-      } else {

-	 printf(" ()");

-      }

-   }

-

-   printf(" ");

-   switch (ir->op)

-   {

-   case ir_tex:

-      break;

-   case ir_txb:

-      ir->lod_info.bias->accept(this);

-      break;

-   case ir_txl:

-   case ir_txf:

-      ir->lod_info.lod->accept(this);

-      break;

-   case ir_txd:

-      printf("(");

-      ir->lod_info.grad.dPdx->accept(this);

-      printf(" ");

-      ir->lod_info.grad.dPdy->accept(this);

-      printf(")");

-      break;

-   };

-   printf(")");

-}

-

-

-void ir_print_visitor::visit(ir_swizzle *ir)

-{

-   const unsigned swiz[4] = {

-      ir->mask.x,

-      ir->mask.y,

-      ir->mask.z,

-      ir->mask.w,

-   };

-

-   printf("(swiz ");

-   for (unsigned i = 0; i < ir->mask.num_components; i++) {

-      printf("%c", "xyzw"[swiz[i]]);

-   }

-   printf(" ");

-   ir->val->accept(this);

-   printf(")");

-}

-

-

-void ir_print_visitor::visit(ir_dereference_variable *ir)

-{

-   ir_variable *var = ir->variable_referenced();

-   printf("(var_ref %s@%p) ", var->name, (void *) var);

-}

-

-

-void ir_print_visitor::visit(ir_dereference_array *ir)

-{

-   printf("(array_ref ");

-   ir->array->accept(this);

-   ir->array_index->accept(this);

-   printf(") ");

-}

-

-

-void ir_print_visitor::visit(ir_dereference_record *ir)

-{

-   printf("(record_ref ");

-   ir->record->accept(this);

-   printf(" %s) ", ir->field);

-}

-

-

-void ir_print_visitor::visit(ir_assignment *ir)

-{

-   printf("(assign ");

-

-   if (ir->condition)

-      ir->condition->accept(this);

-

-   char mask[5];

-   unsigned j = 0;

-

-   for (unsigned i = 0; i < 4; i++) {

-      if ((ir->write_mask & (1 << i)) != 0) {

-	 mask[j] = "xyzw"[i];

-	 j++;

-      }

-   }

-   mask[j] = '\0';

-

-   printf(" (%s) ", mask);

-

-   ir->lhs->accept(this);

-

-   printf(" ");

-

-   ir->rhs->accept(this);

-   printf(") ");

-}

-

-

-void ir_print_visitor::visit(ir_constant *ir)

-{

-   const glsl_type *const base_type = ir->type->get_base_type();

-

-   printf("(constant ");

-   print_type(ir->type);

-   printf(" (");

-

-   if (ir->type->is_array()) {

-      for (unsigned i = 0; i < ir->type->length; i++)

-	 ir->get_array_element(i)->accept(this);

-   } else if (ir->type->is_record()) {

-      ir_constant *value = (ir_constant *) ir->components.get_head();

-      for (unsigned i = 0; i < ir->type->length; i++) {

-	 printf("(%s ", ir->type->fields.structure->name);

-	 value->accept(this);

-	 printf(")");

-

-	 value = (ir_constant *) value->next;

-      }

-   } else {

-      for (unsigned i = 0; i < ir->type->components(); i++) {

-	 if (i != 0)

-	    printf(" ");

-	 switch (base_type->base_type) {

-	 case GLSL_TYPE_UINT:  printf("%u", ir->value.u[i]); break;

-	 case GLSL_TYPE_INT:   printf("%d", ir->value.i[i]); break;

-	 case GLSL_TYPE_FLOAT: printf("%f", ir->value.f[i]); break;

-	 case GLSL_TYPE_BOOL:  printf("%d", ir->value.b[i]); break;

-	 default: assert(0);

-	 }

-      }

-   }

-   printf(")) ");

-}

-

-

-void

-ir_print_visitor::visit(ir_call *ir)

-{

-   printf("(call %s (", ir->callee_name());

-   foreach_iter(exec_list_iterator, iter, *ir) {

-      ir_instruction *const inst = (ir_instruction *) iter.get();

-

-      inst->accept(this);

-   }

-   printf("))\n");

-}

-

-

-void

-ir_print_visitor::visit(ir_return *ir)

-{

-   printf("(return");

-

-   ir_rvalue *const value = ir->get_value();

-   if (value) {

-      printf(" ");

-      value->accept(this);

-   }

-

-   printf(")");

-}

-

-

-void

-ir_print_visitor::visit(ir_discard *ir)

-{

-   printf("(discard ");

-

-   if (ir->condition != NULL) {

-      printf(" ");

-      ir->condition->accept(this);

-   }

-

-   printf(")");

-}

-

-

-void

-ir_print_visitor::visit(ir_if *ir)

-{

-   printf("(if ");

-   ir->condition->accept(this);

-

-   printf("(\n");

-   indentation++;

-

-   foreach_iter(exec_list_iterator, iter, ir->then_instructions) {

-      ir_instruction *const inst = (ir_instruction *) iter.get();

-

-      indent();

-      inst->accept(this);

-      printf("\n");

-   }

-

-   indentation--;

-   indent();

-   printf(")\n");

-

-   indent();

-   if (!ir->else_instructions.is_empty()) {

-      printf("(\n");

-      indentation++;

-

-      foreach_iter(exec_list_iterator, iter, ir->else_instructions) {

-	 ir_instruction *const inst = (ir_instruction *) iter.get();

-

-	 indent();

-	 inst->accept(this);

-	 printf("\n");

-      }

-      indentation--;

-      indent();

-      printf("))\n");

-   } else {

-      printf("())\n");

-   }

-}

-

-

-void

-ir_print_visitor::visit(ir_loop *ir)

-{

-   printf("(loop (");

-   if (ir->counter != NULL)

-      ir->counter->accept(this);

-   printf(") (");

-   if (ir->from != NULL)

-      ir->from->accept(this);

-   printf(") (");

-   if (ir->to != NULL)

-      ir->to->accept(this);

-   printf(") (");

-   if (ir->increment != NULL)

-      ir->increment->accept(this);

-   printf(") (\n");

-   indentation++;

-

-   foreach_iter(exec_list_iterator, iter, ir->body_instructions) {

-      ir_instruction *const inst = (ir_instruction *) iter.get();

-

-      indent();

-      inst->accept(this);

-      printf("\n");

-   }

-   indentation--;

-   indent();

-   printf("))\n");

-}

-

-

-void

-ir_print_visitor::visit(ir_loop_jump *ir)

-{

-   printf("%s", ir->is_break() ? "break" : "continue");

-}

+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include "ir_print_visitor.h"
+#include "glsl_types.h"
+#include "glsl_parser_extras.h"
+
+static void print_type(const glsl_type *t);
+
+void
+ir_instruction::print(void) const
+{
+   ir_instruction *deconsted = const_cast<ir_instruction *>(this);
+
+   ir_print_visitor v;
+   deconsted->accept(&v);
+}
+
+void
+_mesa_print_ir(exec_list *instructions,
+	       struct _mesa_glsl_parse_state *state)
+{
+   if (state) {
+      for (unsigned i = 0; i < state->num_user_structures; i++) {
+	 const glsl_type *const s = state->user_structures[i];
+
+	 printf("(structure (%s) (%s@%p) (%u) (\n",
+		s->name, s->name, (void *) s, s->length);
+
+	 for (unsigned j = 0; j < s->length; j++) {
+	    printf("\t((");
+	    print_type(s->fields.structure[j].type);
+	    printf(")(%s))\n", s->fields.structure[j].name);
+	 }
+
+	 printf(")\n");
+      }
+   }
+
+   printf("(\n");
+   foreach_iter(exec_list_iterator, iter, *instructions) {
+      ir_instruction *ir = (ir_instruction *)iter.get();
+      ir->print();
+      if (ir->ir_type != ir_type_function)
+	 printf("\n");
+   }
+   printf("\n)");
+}
+
+
+void ir_print_visitor::indent(void)
+{
+   for (int i = 0; i < indentation; i++)
+      printf("  ");
+}
+
+static void
+print_type(const glsl_type *t)
+{
+   if (t->base_type == GLSL_TYPE_ARRAY) {
+      printf("(array ");
+      print_type(t->fields.array);
+      printf(" %u)", t->length);
+   } else if ((t->base_type == GLSL_TYPE_STRUCT)
+	      && (strncmp("gl_", t->name, 3) != 0)) {
+      printf("%s@%p", t->name, (void *) t);
+   } else {
+      printf("%s", t->name);
+   }
+}
+
+
+void ir_print_visitor::visit(ir_variable *ir)
+{
+   printf("(declare ");
+
+   const char *const cent = (ir->centroid) ? "centroid " : "";
+   const char *const inv = (ir->invariant) ? "invariant " : "";
+   const char *const mode[] = { "", "uniform ", "in ", "out ", "inout ",
+			        "const_in ", "sys ", "temporary " };
+   const char *const interp[] = { "", "flat", "noperspective" };
+
+   printf("(%s%s%s%s) ",
+	  cent, inv, mode[ir->mode], interp[ir->interpolation]);
+
+   print_type(ir->type);
+   printf(" %s@%p)", ir->name, (void *) ir);
+}
+
+
+void ir_print_visitor::visit(ir_function_signature *ir)
+{
+   printf("(signature ");
+   indentation++;
+
+   print_type(ir->return_type);
+   printf("\n");
+   indent();
+
+   printf("(parameters\n");
+   indentation++;
+
+   foreach_iter(exec_list_iterator, iter, ir->parameters) {
+      ir_variable *const inst = (ir_variable *) iter.get();
+
+      indent();
+      inst->accept(this);
+      printf("\n");
+   }
+   indentation--;
+
+   indent();
+   printf(")\n");
+
+   indent();
+
+   printf("(\n");
+   indentation++;
+
+   foreach_iter(exec_list_iterator, iter, ir->body) {
+      ir_instruction *const inst = (ir_instruction *) iter.get();
+
+      indent();
+      inst->accept(this);
+      printf("\n");
+   }
+   indentation--;
+   indent();
+   printf("))\n");
+   indentation--;
+}
+
+
+void ir_print_visitor::visit(ir_function *ir)
+{
+   printf("(function %s\n", ir->name);
+   indentation++;
+   foreach_iter(exec_list_iterator, iter, *ir) {
+      ir_function_signature *const sig = (ir_function_signature *) iter.get();
+      indent();
+      sig->accept(this);
+      printf("\n");
+   }
+   indentation--;
+   indent();
+   printf(")\n\n");
+}
+
+
+void ir_print_visitor::visit(ir_expression *ir)
+{
+   printf("(expression ");
+
+   print_type(ir->type);
+
+   printf(" %s ", ir->operator_string());
+
+   for (unsigned i = 0; i < ir->get_num_operands(); i++) {
+      ir->operands[i]->accept(this);
+   }
+
+   printf(") ");
+}
+
+
+void ir_print_visitor::visit(ir_texture *ir)
+{
+   printf("(%s ", ir->opcode_string());
+
+   ir->sampler->accept(this);
+   printf(" ");
+
+   ir->coordinate->accept(this);
+
+   printf(" ");
+
+   if (ir->offset != NULL) {
+      ir->offset->accept(this);
+   } else {
+      printf("0");
+   }
+
+   printf(" ");
+
+   if (ir->op != ir_txf) {
+      if (ir->projector)
+	 ir->projector->accept(this);
+      else
+	 printf("1");
+
+      if (ir->shadow_comparitor) {
+	 printf(" ");
+	 ir->shadow_comparitor->accept(this);
+      } else {
+	 printf(" ()");
+      }
+   }
+
+   printf(" ");
+   switch (ir->op)
+   {
+   case ir_tex:
+      break;
+   case ir_txb:
+      ir->lod_info.bias->accept(this);
+      break;
+   case ir_txl:
+   case ir_txf:
+      ir->lod_info.lod->accept(this);
+      break;
+   case ir_txd:
+      printf("(");
+      ir->lod_info.grad.dPdx->accept(this);
+      printf(" ");
+      ir->lod_info.grad.dPdy->accept(this);
+      printf(")");
+      break;
+   };
+   printf(")");
+}
+
+
+void ir_print_visitor::visit(ir_swizzle *ir)
+{
+   const unsigned swiz[4] = {
+      ir->mask.x,
+      ir->mask.y,
+      ir->mask.z,
+      ir->mask.w,
+   };
+
+   printf("(swiz ");
+   for (unsigned i = 0; i < ir->mask.num_components; i++) {
+      printf("%c", "xyzw"[swiz[i]]);
+   }
+   printf(" ");
+   ir->val->accept(this);
+   printf(")");
+}
+
+
+void ir_print_visitor::visit(ir_dereference_variable *ir)
+{
+   ir_variable *var = ir->variable_referenced();
+   printf("(var_ref %s@%p) ", var->name, (void *) var);
+}
+
+
+void ir_print_visitor::visit(ir_dereference_array *ir)
+{
+   printf("(array_ref ");
+   ir->array->accept(this);
+   ir->array_index->accept(this);
+   printf(") ");
+}
+
+
+void ir_print_visitor::visit(ir_dereference_record *ir)
+{
+   printf("(record_ref ");
+   ir->record->accept(this);
+   printf(" %s) ", ir->field);
+}
+
+
+void ir_print_visitor::visit(ir_assignment *ir)
+{
+   printf("(assign ");
+
+   if (ir->condition)
+      ir->condition->accept(this);
+
+   char mask[5];
+   unsigned j = 0;
+
+   for (unsigned i = 0; i < 4; i++) {
+      if ((ir->write_mask & (1 << i)) != 0) {
+	 mask[j] = "xyzw"[i];
+	 j++;
+      }
+   }
+   mask[j] = '\0';
+
+   printf(" (%s) ", mask);
+
+   ir->lhs->accept(this);
+
+   printf(" ");
+
+   ir->rhs->accept(this);
+   printf(") ");
+}
+
+
+void ir_print_visitor::visit(ir_constant *ir)
+{
+   const glsl_type *const base_type = ir->type->get_base_type();
+
+   printf("(constant ");
+   print_type(ir->type);
+   printf(" (");
+
+   if (ir->type->is_array()) {
+      for (unsigned i = 0; i < ir->type->length; i++)
+	 ir->get_array_element(i)->accept(this);
+   } else if (ir->type->is_record()) {
+      ir_constant *value = (ir_constant *) ir->components.get_head();
+      for (unsigned i = 0; i < ir->type->length; i++) {
+	 printf("(%s ", ir->type->fields.structure->name);
+	 value->accept(this);
+	 printf(")");
+
+	 value = (ir_constant *) value->next;
+      }
+   } else {
+      for (unsigned i = 0; i < ir->type->components(); i++) {
+	 if (i != 0)
+	    printf(" ");
+	 switch (base_type->base_type) {
+	 case GLSL_TYPE_UINT:  printf("%u", ir->value.u[i]); break;
+	 case GLSL_TYPE_INT:   printf("%d", ir->value.i[i]); break;
+	 case GLSL_TYPE_FLOAT: printf("%f", ir->value.f[i]); break;
+	 case GLSL_TYPE_BOOL:  printf("%d", ir->value.b[i]); break;
+	 default: assert(0);
+	 }
+      }
+   }
+   printf(")) ");
+}
+
+
+void
+ir_print_visitor::visit(ir_call *ir)
+{
+   printf("(call %s (", ir->callee_name());
+   foreach_iter(exec_list_iterator, iter, *ir) {
+      ir_instruction *const inst = (ir_instruction *) iter.get();
+
+      inst->accept(this);
+   }
+   printf("))\n");
+}
+
+
+void
+ir_print_visitor::visit(ir_return *ir)
+{
+   printf("(return");
+
+   ir_rvalue *const value = ir->get_value();
+   if (value) {
+      printf(" ");
+      value->accept(this);
+   }
+
+   printf(")");
+}
+
+
+void
+ir_print_visitor::visit(ir_discard *ir)
+{
+   printf("(discard ");
+
+   if (ir->condition != NULL) {
+      printf(" ");
+      ir->condition->accept(this);
+   }
+
+   printf(")");
+}
+
+
+void
+ir_print_visitor::visit(ir_if *ir)
+{
+   printf("(if ");
+   ir->condition->accept(this);
+
+   printf("(\n");
+   indentation++;
+
+   foreach_iter(exec_list_iterator, iter, ir->then_instructions) {
+      ir_instruction *const inst = (ir_instruction *) iter.get();
+
+      indent();
+      inst->accept(this);
+      printf("\n");
+   }
+
+   indentation--;
+   indent();
+   printf(")\n");
+
+   indent();
+   if (!ir->else_instructions.is_empty()) {
+      printf("(\n");
+      indentation++;
+
+      foreach_iter(exec_list_iterator, iter, ir->else_instructions) {
+	 ir_instruction *const inst = (ir_instruction *) iter.get();
+
+	 indent();
+	 inst->accept(this);
+	 printf("\n");
+      }
+      indentation--;
+      indent();
+      printf("))\n");
+   } else {
+      printf("())\n");
+   }
+}
+
+
+void
+ir_print_visitor::visit(ir_loop *ir)
+{
+   printf("(loop (");
+   if (ir->counter != NULL)
+      ir->counter->accept(this);
+   printf(") (");
+   if (ir->from != NULL)
+      ir->from->accept(this);
+   printf(") (");
+   if (ir->to != NULL)
+      ir->to->accept(this);
+   printf(") (");
+   if (ir->increment != NULL)
+      ir->increment->accept(this);
+   printf(") (\n");
+   indentation++;
+
+   foreach_iter(exec_list_iterator, iter, ir->body_instructions) {
+      ir_instruction *const inst = (ir_instruction *) iter.get();
+
+      indent();
+      inst->accept(this);
+      printf("\n");
+   }
+   indentation--;
+   indent();
+   printf("))\n");
+}
+
+
+void
+ir_print_visitor::visit(ir_loop_jump *ir)
+{
+   printf("%s", ir->is_break() ? "break" : "continue");
+}