From f81bb3160c5f39d8f7ad329e99865af88f02b96a Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Thu, 10 Mar 2011 09:49:29 +0000
Subject: xserver mesa git update 10 Mar 2011

---
 mesalib/src/glsl/ir_validate.cpp           | 33 ++++++++++++++++++++++++++++++
 mesalib/src/glsl/link_functions.cpp        |  8 +++++++-
 mesalib/src/glsl/opt_function_inlining.cpp |  7 ++-----
 3 files changed, 42 insertions(+), 6 deletions(-)

(limited to 'mesalib/src/glsl')

diff --git a/mesalib/src/glsl/ir_validate.cpp b/mesalib/src/glsl/ir_validate.cpp
index 44d7549ea..b2ae08f37 100644
--- a/mesalib/src/glsl/ir_validate.cpp
+++ b/mesalib/src/glsl/ir_validate.cpp
@@ -70,6 +70,7 @@ public:
    virtual ir_visitor_status visit_leave(ir_swizzle *ir);
 
    virtual ir_visitor_status visit_enter(ir_assignment *ir);
+   virtual ir_visitor_status visit_enter(ir_call *ir);
 
    static void validate_ir(ir_instruction *ir, void *data);
 
@@ -173,6 +174,19 @@ ir_validate::visit_enter(ir_function *ir)
 
    this->validate_ir(ir, this->data);
 
+   /* Verify that all of the things stored in the list of signatures are,
+    * in fact, function signatures.
+    */
+   foreach_list(node, &ir->signatures) {
+      ir_instruction *sig = (ir_instruction *) node;
+
+      if (sig->ir_type != ir_type_function_signature) {
+	 printf("Non-signature in signature list of function `%s'\n",
+		ir->name);
+	 abort();
+      }
+   }
+
    return visit_continue;
 }
 
@@ -198,6 +212,12 @@ ir_validate::visit_enter(ir_function_signature *ir)
       abort();
    }
 
+   if (ir->return_type == NULL) {
+      printf("Function signature %p for function %s has NULL return type.\n",
+	     ir, ir->function_name());
+      abort();
+   }
+
    this->validate_ir(ir, this->data);
 
    return visit_continue;
@@ -488,6 +508,19 @@ ir_validate::visit_enter(ir_assignment *ir)
    return visit_continue;
 }
 
+ir_visitor_status
+ir_validate::visit_enter(ir_call *ir)
+{
+   ir_function_signature *const callee = ir->get_callee();
+
+   if (callee->ir_type != ir_type_function_signature) {
+      printf("IR called by ir_call is not ir_function_signature!\n");
+      abort();
+   }
+
+   return visit_continue;
+}
+
 void
 ir_validate::validate_ir(ir_instruction *ir, void *data)
 {
diff --git a/mesalib/src/glsl/link_functions.cpp b/mesalib/src/glsl/link_functions.cpp
index 5851c14d6..ae8818be8 100644
--- a/mesalib/src/glsl/link_functions.cpp
+++ b/mesalib/src/glsl/link_functions.cpp
@@ -99,9 +99,15 @@ public:
        * details that may be missing.
        */
       ir_function *f = linked->symbols->get_function(name);
-      if (f == NULL)
+      if (f == NULL) {
 	 f = new(linked) ir_function(name);
 
+	 /* Add the new function to the linked IR.
+	  */
+	 linked->symbols->add_function(f);
+	 linked->ir->push_head(f);
+      }
+
       ir_function_signature *linked_sig =
 	 f->exact_matching_signature(&callee->parameters);
       if (linked_sig == NULL) {
diff --git a/mesalib/src/glsl/opt_function_inlining.cpp b/mesalib/src/glsl/opt_function_inlining.cpp
index 2e7831dcb..8fef358cc 100644
--- a/mesalib/src/glsl/opt_function_inlining.cpp
+++ b/mesalib/src/glsl/opt_function_inlining.cpp
@@ -126,7 +126,7 @@ ir_call::generate_inline(ir_instruction *next_ir)
    parameters = new ir_variable *[num_parameters];
 
    /* Generate storage for the return value. */
-   if (this->callee->return_type) {
+   if (!this->callee->return_type->is_void()) {
       retval = new(ctx) ir_variable(this->callee->return_type, "_ret_val",
 				    ir_var_auto);
       next_ir->insert_before(retval);
@@ -209,10 +209,7 @@ ir_call::generate_inline(ir_instruction *next_ir)
    }
 
    /* Now push those new instructions in. */
-   foreach_iter(exec_list_iterator, iter, new_instructions) {
-      ir_instruction *ir = (ir_instruction *)iter.get();
-      next_ir->insert_before(ir);
-   }
+   next_ir->insert_before(&new_instructions);
 
    /* Copy back the value of any 'out' parameters from the function body
     * variables to our own.
-- 
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