- * Transforms a Firm Const into an ia32 Const and places it
- * in the Block where it's used.
- * Additionally all mode_P nodes are changed into mode_Is nodes.
- * This function is called by a walker.
+ * Prepares irg for codegeneration. Places consts and transform reference mode
+ * nodes into mode_Iu nodes.
+ * @param cg The ia32 codegenerator object