From 7ee79fb6b78012abd0ae8e874a7c64550b1cb707 Mon Sep 17 00:00:00 2001
From: Ian Romanick <ian.d.romanick@intel.com>
Date: Mon, 19 Apr 2010 15:40:49 -0700
Subject: [PATCH] Add ir_dereference constructor for structure field
 dereferences

---
 ir.cpp | 8 ++++++++
 ir.h   | 2 ++
 2 files changed, 10 insertions(+)

diff --git a/ir.cpp b/ir.cpp
index 63135e35533..7ada145d53b 100644
--- a/ir.cpp
+++ b/ir.cpp
@@ -246,6 +246,14 @@ ir_dereference::ir_dereference(ir_instruction *var,
    this->selector.array_index = array_index;
 }
 
+ir_dereference::ir_dereference(ir_instruction *variable, const char *field)
+   : mode(ir_reference_record), var(variable)
+{
+   this->selector.field = field;
+   this->type = (var != NULL)
+      ? var->type->field_type(field) : glsl_type::error_type;
+}
+
 bool
 ir_dereference::is_lvalue()
 {
diff --git a/ir.h b/ir.h
index 42e8264d41d..b3fb06d2c7b 100644
--- a/ir.h
+++ b/ir.h
@@ -749,6 +749,8 @@ public:
 
    ir_dereference(ir_instruction *variable, ir_rvalue *array_index);
 
+   ir_dereference(ir_instruction *variable, const char *field);
+
    virtual ir_dereference *as_dereference()
    {
       return this;
-- 
2.30.2