X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=testprograms%2Fif_while_example.c;h=f9758209298f09a5c720fb82e24ee0c313aea9f2;hb=b4cfa9a1793173b5ccee8fcf9debdac126109902;hp=07bd1b8d02d5a7613669117003cf400ac170063e;hpb=2fa17934abe60b32409bf3b797ec3aa675a1b1a0;p=libfirm diff --git a/testprograms/if_while_example.c b/testprograms/if_while_example.c index 07bd1b8d0..f97582092 100644 --- a/testprograms/if_while_example.c +++ b/testprograms/if_while_example.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe +/* (C) 1998 - 2000 by Universitaet Karlsruhe ** All rights reserved. ** ** Authors: Christian Schaefer, Goetz Lindenmaier @@ -15,6 +15,7 @@ *** main() { *** int a = 0; // pos 0 *** int b = 1; // pos 1 +*** int h; // pos 2 *** *** if (0 == 0) *** { a = 2; } @@ -26,23 +27,26 @@ *** } *** *** return a-b; +*** } **/ int main(void) { ir_graph *irg; - type_class *owner; - type_method *proc_main; + type *owner; + type *proc_main; entity *ent; ir_node *b, *x, *r, *t, *f; - printf("creating an IR graph: IF_WHILE_EXAMPLE...\n"); + printf("\nCreating an IR graph: IF_WHILE_EXAMPLE...\n"); init_firm (); + turn_of_edge_labels(); - - set_opt_constant_folding(0); + set_optimize(1); + set_opt_constant_folding(0); /* so that the stupid tests are not optimized. */ + /* if optimized no path to End remains!! */ set_opt_cse(1); set_opt_dead_node_elimination (1); @@ -53,39 +57,27 @@ main(void) proc_main = new_type_method(id_from_str(METHODNAME, strlen(METHODNAME)), NRARGS, NRES); owner = new_type_class (id_from_str ("IF_WHILE_EXAMPLE", 16)); - ent = new_entity ((type *)owner, id_from_str ("main", 4), (type *)proc_main); + ent = new_entity (owner, id_from_str ("main", 4), proc_main); /* Generates start and end blocks and nodes and a first, initial block */ irg = new_ir_graph (ent, 4); /* Generate two constants */ - set_value (0, new_Const (mode_I, tarval_from_long (mode_i, 0))); - set_value (1, new_Const (mode_I, tarval_from_long (mode_i, 1))); - mature_block (irg->current_block); + set_value (0, new_Const (mode_I, tarval_from_long (mode_I, 0))); + set_value (1, new_Const (mode_I, tarval_from_long (mode_I, 1))); + mature_block (get_irg_current_block(irg)); /* Generate a conditional branch */ - x = new_Cond (new_Proj(new_Cmp(new_Const (mode_I, tarval_from_long (mode_i, 0)), - new_Const (mode_I, tarval_from_long (mode_i, 0))), - mode_b, Eq)); - f = new_Proj (x, mode_X, 0); - t = new_Proj (x, mode_X, 1); - - /* generate and fill the then block */ - r = new_Block (); - add_in_edge (r, t); - set_value (0, new_Const (mode_I, tarval_from_long (mode_i, 2))); - mature_block (r); - x = new_Jmp (); + x = new_Jmp(); /* generate the fall through block and add all cfg edges */ - r = new_Block (); - add_in_edge (r, f); + r = new_immBlock (); add_in_edge (r, x); mature_block (r); x = new_Jmp (); /* generate a block for the loop header and the conditional branch */ - r = new_Block (); + r = new_immBlock (); add_in_edge (r, x); x = new_Cond (new_Proj(new_Cmp(new_Const (mode_I, tarval_from_long (mode_i, 0)), new_Const (mode_I, tarval_from_long (mode_i, 0))), @@ -94,7 +86,7 @@ main(void) t = new_Proj (x, mode_X, 1); /* generate the block for the loop body */ - b = new_Block (); + b = new_immBlock (); add_in_edge (b,t); x = new_Jmp (); add_in_edge (r, x); @@ -109,7 +101,7 @@ main(void) mature_block (b); /* generate the return block */ - r = new_Block (); + r = new_immBlock (); add_in_edge (r, f); mature_block (r); @@ -121,20 +113,22 @@ main(void) } /* finalize the end block generated in new_ir_graph() */ - add_in_edge (irg->end_block, x); - mature_block (irg->end_block); + add_in_edge (get_irg_end_block(irg), x); + mature_block (get_irg_end_block(irg)); - /* verify the graph */ - irg_vrfy(irg); + printf("Optimizing ...\n"); + local_optimize_graph(irg); dead_node_elimination(irg); + /* verify the graph */ + irg_vrfy(irg); + /* output the vcg file */ - printf("\nDone building the graph. Dumping it.\n"); + printf("Done building the graph. Dumping it.\n"); dump_ir_block_graph (irg); - - printf("use xvcg to view this graph:\n"); - printf("/ben/goetz/bin/xvcg GRAPHNAME\n"); + printf("Use xvcg to view this graph:\n"); + printf("/ben/goetz/bin/xvcg GRAPHNAME\n\n"); return (0); }