ir_reader: rvalues are instructions too!
[mesa.git] / ir_function_inlining.h
1 /*
2 * Copyright © 2010 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 */
23
24 /**
25 * \file ir_function_inlining.h
26 *
27 * Replaces calls to functions with the body of the function.
28 */
29
30 class ir_function_inlining_visitor : public ir_visitor {
31 public:
32 ir_function_inlining_visitor()
33 {
34 /* empty */
35 }
36
37 virtual ~ir_function_inlining_visitor()
38 {
39 /* empty */
40 }
41
42 /**
43 * \name Visit methods
44 *
45 * As typical for the visitor pattern, there must be one \c visit method for
46 * each concrete subclass of \c ir_instruction. Virtual base classes within
47 * the hierarchy should not have \c visit methods.
48 */
49 /*@{*/
50 virtual void visit(ir_variable *);
51 virtual void visit(ir_loop *);
52 virtual void visit(ir_loop_jump *);
53 virtual void visit(ir_function_signature *);
54 virtual void visit(ir_function *);
55 virtual void visit(ir_expression *);
56 virtual void visit(ir_swizzle *);
57 virtual void visit(ir_dereference *);
58 virtual void visit(ir_assignment *);
59 virtual void visit(ir_constant *);
60 virtual void visit(ir_call *);
61 virtual void visit(ir_return *);
62 virtual void visit(ir_if *);
63 /*@}*/
64 };
65
66 bool do_function_inlining(exec_list *instructions);
67 bool can_inline(ir_call *call);