1 /* Copyright (C) 1998 - 2001 by Universitaet Karlsruhe
2 ** All rights reserved.
4 ** Author: Christian Schaefer, Goetz Lindenmaier
6 ** Optimizations for a whole ir graph, i.e., a procedure.
16 /* Applies local optimizations (see iropt.h) to all nodes in the graph. */
17 void local_optimize_graph (ir_graph *irg);
19 /* Performs dead node elimination by copying the ir graph to a new obstack.
20 Further removes Bad predecesors from Blocks and the corresponding
22 The graph may not be in state phase_building. The outs datasturcture
23 is freed, the outs state set to no_outs. (@@@ Change this? -> inconsistent.)
24 Removes old attributes of nodes. Sets link field to NULL.
25 Attention: the numbers assigned to nodes if the library is compiled for
26 development/debugging are not conserved by copying. */
27 void dead_node_elimination(ir_graph *irg);
29 /* Inlines a method at the given call site.
30 Assumes that call is a Call node in current_ir_graph and that
31 the type in the Call nodes type attribute is the same as the
32 type of the called graph.
33 Further it assumes that all Phi nodes in a block of current_ir_graph
34 are assembled in a "link" list in the link field of the corresponding
35 block nodes. Further assumes that all Proj nodes are in a "link" list
36 in the nodes producing the tuple. (This is only a optical feature
37 for the graph.) Conserves this feature for the old
38 nodes of the graph. This precondition can be established by a call to
39 collect_phisprojs(), see irgmod.h.
40 Called_graph must be unequal to current_ir_graph. Will not inline
42 Sets visited masterflag in curren_ir_graph to max of flag in current
44 Removes the call node and splits the basic block the call node
45 belongs to. Inserts a copy of the called graph between these nodes.
46 It is recommended to call local_optimize_graph after inlining as this
47 function leaves a set of obscure Tuple nodes, e.g. a Proj-Tuple-Jmp
48 combination as control flow operation. */
49 void inline_method(ir_node *call, ir_graph *called_graph);
51 # endif /* _IRGOPT_H_ */