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comparison gcc/tree-into-ssa.c @ 63:b7f97abdc517 gcc-4.6-20100522

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update gcc from gcc-4.5.0 to gcc-4.6
author ryoma <e075725@ie.u-ryukyu.ac.jp>
date Mon, 24 May 2010 12:47:05 +0900
parents 77e2b8dfacca
children f6334be47118
comparison
equal deleted inserted replaced
56:3c8a44c06a95 63:b7f97abdc517
1 /* Rewrite a program in Normal form into SSA. 1 /* Rewrite a program in Normal form into SSA.
2 Copyright (C) 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009 2 Copyright (C) 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010
3 Free Software Foundation, Inc. 3 Free Software Foundation, Inc.
4 Contributed by Diego Novillo <dnovillo@redhat.com> 4 Contributed by Diego Novillo <dnovillo@redhat.com>
5 5
6 This file is part of GCC. 6 This file is part of GCC.
7 7
23 #include "system.h" 23 #include "system.h"
24 #include "coretypes.h" 24 #include "coretypes.h"
25 #include "tm.h" 25 #include "tm.h"
26 #include "tree.h" 26 #include "tree.h"
27 #include "flags.h" 27 #include "flags.h"
28 #include "rtl.h"
29 #include "tm_p.h" 28 #include "tm_p.h"
30 #include "langhooks.h" 29 #include "langhooks.h"
31 #include "hard-reg-set.h"
32 #include "basic-block.h" 30 #include "basic-block.h"
33 #include "output.h" 31 #include "output.h"
34 #include "expr.h" 32 #include "expr.h"
35 #include "function.h" 33 #include "function.h"
36 #include "diagnostic.h" 34 #include "diagnostic.h"
35 #include "tree-pretty-print.h"
36 #include "gimple-pretty-print.h"
37 #include "bitmap.h" 37 #include "bitmap.h"
38 #include "tree-flow.h" 38 #include "tree-flow.h"
39 #include "gimple.h" 39 #include "gimple.h"
40 #include "tree-inline.h" 40 #include "tree-inline.h"
41 #include "varray.h"
42 #include "timevar.h" 41 #include "timevar.h"
43 #include "hashtab.h" 42 #include "hashtab.h"
44 #include "tree-dump.h" 43 #include "tree-dump.h"
45 #include "tree-pass.h" 44 #include "tree-pass.h"
46 #include "cfgloop.h" 45 #include "cfgloop.h"
47 #include "domwalk.h" 46 #include "domwalk.h"
48 #include "ggc.h"
49 #include "params.h" 47 #include "params.h"
50 #include "vecprim.h" 48 #include "vecprim.h"
51 49
52 50
53 /* This file builds the SSA form for a function as described in: 51 /* This file builds the SSA form for a function as described in:
1473 1471
1474 fprintf (file, "{ "); 1472 fprintf (file, "{ ");
1475 1473
1476 EXECUTE_IF_SET_IN_BITMAP (set, 0, i, bi) 1474 EXECUTE_IF_SET_IN_BITMAP (set, 0, i, bi)
1477 { 1475 {
1478 print_generic_expr (file, referenced_var (i), 0); 1476 struct tree_decl_minimal in;
1477 tree var;
1478 in.uid = i;
1479 var = (tree) htab_find_with_hash (gimple_referenced_vars (cfun),
1480 &in, i);
1481 if (var)
1482 print_generic_expr (file, var, 0);
1483 else
1484 fprintf (file, "D.%u", i);
1479 fprintf (file, " "); 1485 fprintf (file, " ");
1480 } 1486 }
1481 1487
1482 fprintf (file, "}"); 1488 fprintf (file, "}");
1483 } 1489 }
1856 1862
1857 tracked_var = target_for_debug_bind (sym); 1863 tracked_var = target_for_debug_bind (sym);
1858 if (tracked_var) 1864 if (tracked_var)
1859 { 1865 {
1860 gimple note = gimple_build_debug_bind (tracked_var, def, stmt); 1866 gimple note = gimple_build_debug_bind (tracked_var, def, stmt);
1861 gsi_insert_after (&gsi, note, GSI_SAME_STMT); 1867 /* If stmt ends the bb, insert the debug stmt on the single
1868 non-EH edge from the stmt. */
1869 if (gsi_one_before_end_p (gsi) && stmt_ends_bb_p (stmt))
1870 {
1871 basic_block bb = gsi_bb (gsi);
1872 edge_iterator ei;
1873 edge e, ef = NULL;
1874 FOR_EACH_EDGE (e, ei, bb->succs)
1875 if (!(e->flags & EDGE_EH))
1876 {
1877 gcc_assert (!ef);
1878 ef = e;
1879 }
1880 gcc_assert (ef
1881 && single_pred_p (ef->dest)
1882 && !phi_nodes (ef->dest)
1883 && ef->dest != EXIT_BLOCK_PTR);
1884 gsi_insert_on_edge_immediate (ef, note);
1885 }
1886 else
1887 gsi_insert_after (&gsi, note, GSI_SAME_STMT);
1862 } 1888 }
1863 } 1889 }
1864 1890
1865 register_new_update_single (def, sym); 1891 register_new_update_single (def, sym);
1866 } 1892 }