From c6f80401dc533b04341afe8d596960d1bc25efce Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Tue, 10 Apr 2012 10:49:59 +0200
Subject: fontconfig mesa xkeyboard-config xserver pixman git update 10 Apr
 2012

---
 mesalib/src/glsl/opt_function_inlining.cpp | 62 +++---------------------------
 1 file changed, 5 insertions(+), 57 deletions(-)

(limited to 'mesalib/src/glsl/opt_function_inlining.cpp')

diff --git a/mesalib/src/glsl/opt_function_inlining.cpp b/mesalib/src/glsl/opt_function_inlining.cpp
index ec8b72c63..4ff4d97d9 100644
--- a/mesalib/src/glsl/opt_function_inlining.cpp
+++ b/mesalib/src/glsl/opt_function_inlining.cpp
@@ -53,7 +53,6 @@ public:
 
    virtual ir_visitor_status visit_enter(ir_expression *);
    virtual ir_visitor_status visit_enter(ir_call *);
-   virtual ir_visitor_status visit_enter(ir_assignment *);
    virtual ir_visitor_status visit_enter(ir_return *);
    virtual ir_visitor_status visit_enter(ir_texture *);
    virtual ir_visitor_status visit_enter(ir_swizzle *);
@@ -62,24 +61,11 @@ public:
 };
 
 
-bool
-automatic_inlining_predicate(ir_instruction *ir)
-{
-   ir_call *call = ir->as_call();
-
-   if (call && can_inline(call))
-      return true;
-
-   return false;
-}
-
 bool
 do_function_inlining(exec_list *instructions)
 {
    ir_function_inlining_visitor v;
 
-   do_expression_flattening(instructions, automatic_inlining_predicate);
-
    v.run(instructions);
 
    return v.progress;
@@ -89,12 +75,12 @@ static void
 replace_return_with_assignment(ir_instruction *ir, void *data)
 {
    void *ctx = ralloc_parent(ir);
-   ir_variable *retval = (ir_variable *)data;
+   ir_dereference *orig_deref = (ir_dereference *) data;
    ir_return *ret = ir->as_return();
 
    if (ret) {
       if (ret->value) {
-	 ir_rvalue *lhs = new(ctx) ir_dereference_variable(retval);
+	 ir_rvalue *lhs = orig_deref->clone(ctx, NULL);
 	 ret->replace_with(new(ctx) ir_assignment(lhs, ret->value, NULL));
       } else {
 	 /* un-valued return has to be the last return, or we shouldn't
@@ -106,14 +92,13 @@ replace_return_with_assignment(ir_instruction *ir, void *data)
    }
 }
 
-ir_rvalue *
+void
 ir_call::generate_inline(ir_instruction *next_ir)
 {
    void *ctx = ralloc_parent(this);
    ir_variable **parameters;
    int num_parameters;
    int i;
-   ir_variable *retval = NULL;
    struct hash_table *ht;
 
    ht = hash_table_ctor(0, hash_table_pointer_hash, hash_table_pointer_compare);
@@ -124,13 +109,6 @@ 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->is_void()) {
-      retval = new(ctx) ir_variable(this->callee->return_type, "_ret_val",
-				    ir_var_auto);
-      next_ir->insert_before(retval);
-   }
-
    /* Generate the declarations for the parameters to our inlined code,
     * and set up the mapping of real function body variables to ours.
     */
@@ -185,7 +163,7 @@ ir_call::generate_inline(ir_instruction *next_ir)
       ir_instruction *new_ir = ir->clone(ctx, ht);
 
       new_instructions.push_tail(new_ir);
-      visit_tree(new_ir, replace_return_with_assignment, retval);
+      visit_tree(new_ir, replace_return_with_assignment, this->return_deref);
    }
 
    /* If any samplers were passed in, replace any deref of the sampler
@@ -238,11 +216,6 @@ ir_call::generate_inline(ir_instruction *next_ir)
    delete [] parameters;
 
    hash_table_dtor(ht);
-
-   if (retval)
-      return new(ctx) ir_dereference_variable(retval);
-   else
-      return NULL;
 }
 
 
@@ -282,13 +255,7 @@ ir_visitor_status
 ir_function_inlining_visitor::visit_enter(ir_call *ir)
 {
    if (can_inline(ir)) {
-      /* If the call was part of some tree, then it should have been
-       * flattened out or we shouldn't have seen it because of a
-       * visit_continue_with_parent in this visitor.
-       */
-      assert(ir == base_ir);
-
-      (void) ir->generate_inline(ir);
+      ir->generate_inline(ir);
       ir->remove();
       this->progress = true;
    }
@@ -297,25 +264,6 @@ ir_function_inlining_visitor::visit_enter(ir_call *ir)
 }
 
 
-ir_visitor_status
-ir_function_inlining_visitor::visit_enter(ir_assignment *ir)
-{
-   ir_call *call = ir->rhs->as_call();
-   if (!call || !can_inline(call))
-      return visit_continue;
-
-   /* generates the parameter setup, function body, and returns the return
-    * value of the function
-    */
-   ir_rvalue *rhs = call->generate_inline(ir);
-   assert(rhs);
-
-   ir->rhs = rhs;
-   this->progress = true;
-
-   return visit_continue;
-}
-
 /**
  * Replaces references to the "sampler" variable with a clone of "deref."
  *
-- 
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