+2008-10-09 Jakub Jelinek <jakub@redhat.com>
+
+ * tree-ssa-live.c (remove_unused_locals): Mark all edge's goto_block
+ as used.
+ * gimple-low.c (lower_function_body, lower_gimple_return,
+ lower_builtin_setjmp): Set gimple_block on the newly created stmts.
+ * tree-cfg.c (make_cond_expr_edges, make_goto_expr_edges): Only set
+ goto_block on edges if goto_locus is known.
+
2008-10-08 Jakub Jelinek <jakub@redhat.com>
* graphite.c (gloog): Don't call find_unreachable_blocks
{
x = gimple_build_return (NULL);
gimple_set_location (x, cfun->function_end_locus);
+ gimple_set_block (x, DECL_INITIAL (current_function_decl));
gsi_insert_after (&i, x, GSI_CONTINUE_LINKING);
}
found:
t = gimple_build_goto (tmp_rs.label);
gimple_set_location (t, gimple_location (stmt));
+ gimple_set_block (t, gimple_block (stmt));
gsi_insert_before (gsi, t, GSI_SAME_STMT);
gsi_remove (gsi, false);
}
t = implicit_built_in_decls[BUILT_IN_SETJMP_SETUP];
g = gimple_build_call (t, 2, gimple_call_arg (stmt, 0), arg);
gimple_set_location (g, gimple_location (stmt));
+ gimple_set_block (g, gimple_block (stmt));
gsi_insert_before (gsi, g, GSI_SAME_STMT);
/* Build 'DEST = 0' and insert. */
g = gimple_build_assign (dest, fold_convert (TREE_TYPE (dest),
integer_zero_node));
gimple_set_location (g, gimple_location (stmt));
+ gimple_set_block (g, gimple_block (stmt));
gsi_insert_before (gsi, g, GSI_SAME_STMT);
}
t = implicit_built_in_decls[BUILT_IN_SETJMP_RECEIVER];
g = gimple_build_call (t, 1, arg);
gimple_set_location (g, gimple_location (stmt));
+ gimple_set_block (g, gimple_block (stmt));
gsi_insert_before (gsi, g, GSI_SAME_STMT);
/* Build 'DEST = 1' and insert. */
g = gimple_build_assign (dest, fold_convert (TREE_TYPE (dest),
integer_one_node));
gimple_set_location (g, gimple_location (stmt));
+ gimple_set_block (g, gimple_block (stmt));
gsi_insert_before (gsi, g, GSI_SAME_STMT);
}
e = make_edge (bb, then_bb, EDGE_TRUE_VALUE);
e->goto_locus = gimple_location (then_stmt);
- e->goto_block = gimple_block (then_stmt);
+ if (e->goto_locus)
+ e->goto_block = gimple_block (then_stmt);
e = make_edge (bb, else_bb, EDGE_FALSE_VALUE);
if (e)
{
e->goto_locus = gimple_location (else_stmt);
- e->goto_block = gimple_block (else_stmt);
+ if (e->goto_locus)
+ e->goto_block = gimple_block (else_stmt);
}
/* We do not need the labels anymore. */
tree dest = gimple_goto_dest (goto_t);
edge e = make_edge (bb, label_to_block (dest), EDGE_FALLTHRU);
e->goto_locus = gimple_location (goto_t);
- e->goto_block = gimple_block (goto_t);
+ if (e->goto_locus)
+ e->goto_block = gimple_block (goto_t);
gsi_remove (&last, true);
return;
}
{
gimple_stmt_iterator gsi;
size_t i;
+ edge_iterator ei;
+ edge e;
/* Walk the statements. */
for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
mark_all_vars_used (&arg, NULL);
}
}
+
+ FOR_EACH_EDGE (e, ei, bb->succs)
+ if (e->goto_locus)
+ TREE_USED (e->goto_block) = true;
}
/* Remove unmarked local vars from local_decls. */