X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=testprograms%2Firr_loop_example.c;h=23a9adaa3350d7ba2a9a8285c708af44884d739f;hb=0eb9e8a7def8f3003527c59013190344d27f38f2;hp=51f63be17359f3d5c7fb6ef02717a173a8d65fda;hpb=4ea1df63a99fe3e9bf8f0395cdf33c39d4a2c677;p=libfirm diff --git a/testprograms/irr_loop_example.c b/testprograms/irr_loop_example.c index 51f63be17..23a9adaa3 100644 --- a/testprograms/irr_loop_example.c +++ b/testprograms/irr_loop_example.c @@ -1,52 +1,56 @@ -/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe -** All rights reserved. -** -** Authors: Christian Schaefer, Goetz Lindenmaier -** -** testprogram. -*/ +/* + * Project: libFIRM + * File name: testprograms/irr_loop_example.c + * Purpose: Test Phi construction with irregular control flow. + * Author: Christian Schaefer, Goetz Lindenmaier + * Modified by: + * Created: + * CVS-ID: $Id$ + * Copyright: (c) 1999-2003 Universität Karlsruhe + * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE. + */ # include +# include +# include "irvrfy.h" # include "irdump.h" # include "firm.h" -/* - * an irreducible loop. - */ - /** -*** This file constructs a control flow of following shape: -*** -*** -*** firstBlock -*** / \ -*** / \ -*** |/_ _\| -*** ----> -*** LoopBlock1 LoopBlock2 -*** <---- -*** \ / -*** \ / -*** _\| |/_ -*** nextBlock -*** -*** -**/ + * This file constructs a control flow of following shape: + * + * + * firstBlock + * / \ + * / \ + * |/_ _\| + * ----> + * LoopBlock1 LoopBlock2 + * <---- + * \ / + * \ / + * _\| |/_ + * nextBlock + * + * + **/ int main(int argc, char **argv) { - ir_graph *irg; /* this variable contains the irgraph */ - type_class *owner; /* the class in which this method is defined */ - type_method *proc_main; /* typeinformation for the method main */ - entity *ent; /* represents this method as entity of owner */ - ir_node *expr, *c1, *c2, *c3, *cond, *f, *t, *loopBlock1, *f_l1, *t_l1, - *loopBlock2, *f_l2, *t_l2, *x; + ir_graph *irg; /* this variable contains the irgraph */ + type *owner; /* the class in which this method is defined */ + type *proc_main; /* typeinformation for the method main */ + entity *ent; /* represents this method as entity of owner */ + ir_node *expr, *c1, *c2, *c3, *cond, *f, *t, *loopBlock1, *f_l1, *t_l1, + *loopBlock2, *f_l2, *t_l2, *x; /* init library */ - init_firm (); - set_opt_constant_folding (1); + init_firm (NULL); + set_opt_constant_folding (0); /* so that the stupid tests are not optimized. */ + set_opt_cse(1); + set_opt_dead_node_elimination(1); /* FIRM was designed for oo languages where all methods belong to a class. * For imperative languages like C we view a file as a large class containing @@ -58,37 +62,38 @@ int main(int argc, char **argv) #define METHODNAME "main" #define NRARGS 0 #define NRES 0 - printf("creating an IR graph: %s...\n", CLASSNAME); + printf("\nCreating an IR graph: %s...\n", CLASSNAME); owner = new_type_class (id_from_str (CLASSNAME, strlen(CLASSNAME))); proc_main = new_type_method(id_from_str(METHODNAME, strlen(METHODNAME)), NRARGS, NRES); - ent = new_entity ((type *)owner, + ent = new_entity (owner, id_from_str (METHODNAME, strlen(METHODNAME)), - (type *)proc_main); + proc_main); + get_entity_ld_name(ent); /* To enforce name mangling for vcg graph name */ #define NUM_OF_LOCAL_VARS 0 irg = new_ir_graph (ent, NUM_OF_LOCAL_VARS); - /* two make three conditionals */ - expr = new_Const (mode_i, tarval_from_long (mode_i, 0)); - c1 = new_Const (mode_i, tarval_from_long (mode_i, 1)); - c2 = new_Const (mode_i, tarval_from_long (mode_i, 2)); - c3 = new_Const (mode_i, tarval_from_long (mode_i, 2)); + /* to make three conditionals */ + expr = new_Const (mode_Is, new_tarval_from_long (0, mode_Is)); + c1 = new_Const (mode_Is, new_tarval_from_long (1, mode_Is)); + c2 = new_Const (mode_Is, new_tarval_from_long (2, mode_Is)); + c3 = new_Const (mode_Is, new_tarval_from_long (2, mode_Is)); cond = new_Cond(new_Proj(new_Cmp(expr, c1), mode_b, Eq)); f = new_Proj(cond, mode_X, 0); t = new_Proj(cond, mode_X, 1); - mature_block(irg->current_block); + mature_block(get_irg_current_block(irg)); - loopBlock1 = new_Block(); + loopBlock1 = new_immBlock(); add_in_edge(loopBlock1, t); cond = new_Cond(new_Proj(new_Cmp(expr, c2), mode_b, Eq)); f_l1 = new_Proj(cond, mode_X, 0); t_l1 = new_Proj(cond, mode_X, 1); - loopBlock2 = new_Block(); + loopBlock2 = new_immBlock(); add_in_edge(loopBlock2, f); cond = new_Cond(new_Proj(new_Cmp(expr, c3), mode_b, Eq)); f_l2 = new_Proj(cond, mode_X, 0); @@ -99,28 +104,28 @@ int main(int argc, char **argv) mature_block(loopBlock1); mature_block(loopBlock2); - new_Block(); - add_in_edge(irg->current_block, f_l2); - add_in_edge(irg->current_block, f_l1); - { - ir_node *in[0]; - x = new_Return (get_store(), 1, in); - } - mature_block (irg->current_block); + new_immBlock(); + add_in_edge(get_irg_current_block(irg), f_l2); + add_in_edge(get_irg_current_block(irg), f_l1); + x = new_Return (get_store(), 0, NULL); + mature_block (get_irg_current_block(irg)); + + add_in_edge (get_irg_end_block(irg), x); + mature_block (get_irg_end_block(irg)); - add_in_edge (irg->end_block, x); - mature_block (irg->end_block); + finalize_cons (irg); + + printf("Optimizing ...\n"); + dead_node_elimination(irg); /* verify the graph */ - vrfy_graph(irg); + irg_vrfy(irg); - printf("\nDone building the graph..\n"); printf("Dumping the graph and a control flow graph.\n"); dump_ir_block_graph (irg); dump_cfg (irg); - - printf("use xvcg to view these graphs:\n"); - printf("/ben/goetz/bin/xvcg GRAPHNAME\n"); + printf("Use xvcg to view these graphs:\n"); + printf("/ben/goetz/bin/xvcg GRAPHNAME\n\n"); return (0); }