xserver libX11 libxcb mesa git update 15 Mar 2011

1 files changed, 474 insertions, 471 deletions

diff --git a/mesalib/src/glsl/ir_print_visitor.cpp b/mesalib/src/glsl/ir_print_visitor.cpp
index 82ccc722f..3c5c4fd20 100644
--- a/mesalib/src/glsl/ir_print_visitor.cpp
+++ b/mesalib/src/glsl/ir_print_visitor.cpp
@@ -1,471 +1,474 @@
-/*
- * 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");
-}
+/*

+ * 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());

+

+   print_type(ir->type);

+   printf(" ");

+

+   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");

+}