X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fglsl%2Fopt_dead_functions.cpp;h=5dff165215a34b3819e05804f8672a3153a48c32;hb=f649afc9ddabfc70a5f9861e6daa2cb996461f45;hp=ceb79080a75213a481320e083f594b134252ec2d;hpb=497baf4e4a6a0a2f247c7bfb9bf69a2b93c2c19f;p=mesa.git

diff --git a/src/glsl/opt_dead_functions.cpp b/src/glsl/opt_dead_functions.cpp
index ceb79080a75..5dff165215a 100644
--- a/src/glsl/opt_dead_functions.cpp
+++ b/src/glsl/opt_dead_functions.cpp
@@ -1,109 +1,111 @@
- /*
-  * 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.
-  */
-
- /**
-  * \file opt_dead_functions.cpp
-  *
-  * Eliminates unused functions from the linked program.
-  */
-
- #include "ir.h"
- #include "ir_visitor.h"
- #include "ir_expression_flattening.h"
- #include "glsl_types.h"
-
- class signature_entry : public exec_node
- {
- public:
-    signature_entry(ir_function_signature *sig)
-    {
-       this->signature = sig;
-       this->used = false;
-    }
-
-    ir_function_signature *signature;
-    bool used;
- };
-
- class ir_dead_functions_visitor : public ir_hierarchical_visitor {
- public:
-    ir_dead_functions_visitor()
-    {
-       this->mem_ctx = ralloc_context(NULL);
-    }
-
-    ~ir_dead_functions_visitor()
-    {
-       ralloc_free(this->mem_ctx);
-    }
-
-    virtual ir_visitor_status visit_enter(ir_function_signature *);
-    virtual ir_visitor_status visit_enter(ir_call *);
-
-    signature_entry *get_signature_entry(ir_function_signature *var);
-
-    bool (*predicate)(ir_instruction *ir);
-
-    /* List of signature_entry */
-    exec_list signature_list;
-    void *mem_ctx;
- };
-
-
- signature_entry *
- ir_dead_functions_visitor::get_signature_entry(ir_function_signature *sig)
- {
-    foreach_iter(exec_list_iterator, iter, this->signature_list) {
-       signature_entry *entry = (signature_entry *)iter.get();
-       if (entry->signature == sig)
-	  return entry;
-    }
-
-    signature_entry *entry = new(mem_ctx) signature_entry(sig);
-    this->signature_list.push_tail(entry);
-    return entry;
- }
-
-
- ir_visitor_status
- ir_dead_functions_visitor::visit_enter(ir_function_signature *ir)
- {
-    signature_entry *entry = this->get_signature_entry(ir);
-
-    if (strcmp(ir->function_name(), "main") == 0) {
-       entry->used = true;
-    }
-
-    return visit_continue;
- }
-
-
- ir_visitor_status
- ir_dead_functions_visitor::visit_enter(ir_call *ir)
- {
-    signature_entry *entry = this->get_signature_entry(ir->get_callee());
-
-    entry->used = true;
+/*
+ * 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.
+ */
+
+/**
+ * \file opt_dead_functions.cpp
+ *
+ * Eliminates unused functions from the linked program.
+ */
+
+#include "ir.h"
+#include "ir_visitor.h"
+#include "ir_expression_flattening.h"
+#include "glsl_types.h"
+
+namespace {
+
+class signature_entry : public exec_node
+{
+public:
+   signature_entry(ir_function_signature *sig)
+   {
+      this->signature = sig;
+      this->used = false;
+   }
+
+   ir_function_signature *signature;
+   bool used;
+};
+
+class ir_dead_functions_visitor : public ir_hierarchical_visitor {
+public:
+   ir_dead_functions_visitor()
+   {
+      this->mem_ctx = ralloc_context(NULL);
+   }
+
+   ~ir_dead_functions_visitor()
+   {
+      ralloc_free(this->mem_ctx);
+   }
+
+   virtual ir_visitor_status visit_enter(ir_function_signature *);
+   virtual ir_visitor_status visit_enter(ir_call *);
+
+   signature_entry *get_signature_entry(ir_function_signature *var);
+
+   /* List of signature_entry */
+   exec_list signature_list;
+   void *mem_ctx;
+};
+
+} /* unnamed namespace */
+
+signature_entry *
+ir_dead_functions_visitor::get_signature_entry(ir_function_signature *sig)
+{
+   foreach_in_list(signature_entry, entry, &this->signature_list) {
+      if (entry->signature == sig)
+	 return entry;
+   }
+
+   signature_entry *entry = new(mem_ctx) signature_entry(sig);
+   this->signature_list.push_tail(entry);
+   return entry;
+}
+
+
+ir_visitor_status
+ir_dead_functions_visitor::visit_enter(ir_function_signature *ir)
+{
+   signature_entry *entry = this->get_signature_entry(ir);
+
+   if (strcmp(ir->function_name(), "main") == 0) {
+      entry->used = true;
+   }
+
+
+
+   return visit_continue;
+}
+
+
+ir_visitor_status
+ir_dead_functions_visitor::visit_enter(ir_call *ir)
+{
+   signature_entry *entry = this->get_signature_entry(ir->callee);
+
+   entry->used = true;
 
    return visit_continue;
 }
@@ -120,9 +122,7 @@ do_dead_functions(exec_list *instructions)
     * the unused ones, and remove function definitions that have no more
     * signatures.
     */
-    foreach_iter(exec_list_iterator, iter, v.signature_list) {
-      signature_entry *entry = (signature_entry *)iter.get();
-
+    foreach_in_list_safe(signature_entry, entry, &v.signature_list) {
       if (!entry->used) {
 	 entry->signature->remove();
 	 delete entry->signature;
@@ -134,8 +134,7 @@ do_dead_functions(exec_list *instructions)
    /* We don't just do this above when we nuked a signature because of
     * const pointers.
     */
-   foreach_iter(exec_list_iterator, iter, *instructions) {
-      ir_instruction *ir = (ir_instruction *)iter.get();
+   foreach_in_list_safe(ir_instruction, ir, instructions) {
       ir_function *func = ir->as_function();
 
       if (func && func->signatures.is_empty()) {