diff options
| author | Richard Guenther <rguenther@suse.de> | 2008-06-28 13:17:20 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2008-06-28 13:17:20 +0000 |
| commit | 15c151967dd1cde61b79d26374f608f63a29d411 (patch) | |
| tree | c154f74717a3c268c9eb1d50886dc65b0a3c38db /gcc/tree-dfa.c | |
| parent | ff1c393bd32f3b018957ba9f552e344ab040f309 (diff) | |
| download | gcc-15c151967dd1cde61b79d26374f608f63a29d411.zip gcc-15c151967dd1cde61b79d26374f608f63a29d411.tar.gz gcc-15c151967dd1cde61b79d26374f608f63a29d411.tar.bz2 | |
tree-ssa-structalias.c (callused_id, [...]): Add.
2008-06-28 Richard Guenther <rguenther@suse.de>
* tree-ssa-structalias.c (callused_id, var_callused,
callused_tree): Add.
(handle_pure_call): New function.
(find_func_aliases): Call it.
(find_what_p_points_to): Handle the call-used set.
(clobber_what_escaped): Likewise.
(compute_call_used_vars): New function.
(init_base_vars): Init the call-used variable.
(do_sd_constraint): Do not propagate the solution from CALLUSED
but use CALLUSED as a placeholder.
(solve_graph): Likewise.
* tree-flow-inline.h (gimple_call_used_vars): New function.
* tree-flow.h (struct gimple_df): Add call_used_vars bitmap.
(compute_call_used_vars): Declare.
* tree-ssa-alias.c (set_initial_properties): Call
compute_call_used_vars.
(reset_alias_info): Clear call-used variables.
(add_call_clobber_ops): Assert we are not called for const/pure
functions. Remove handling of them.
(add_call_read_ops): Handle pure functions by adding the
call-used set of variables as VUSEs.
* tree-ssa.c (init_tree_ssa): Allocate call-used bitmap.
(delete_tree_ssa): Free it.
* tree-dfa.c (remove_referenced_var): Clear the var from the
call-used bitmap.
* gcc.dg/tree-ssa/pr24287.c: Remove XFAIL.
From-SVN: r137222
Diffstat (limited to 'gcc/tree-dfa.c')
| -rw-r--r-- | gcc/tree-dfa.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/tree-dfa.c b/gcc/tree-dfa.c index a178039..285af39 100644 --- a/gcc/tree-dfa.c +++ b/gcc/tree-dfa.c @@ -746,6 +746,7 @@ remove_referenced_var (tree var) unsigned int uid = DECL_UID (var); clear_call_clobbered (var); + bitmap_clear_bit (gimple_call_used_vars (cfun), uid); if ((v_ann = var_ann (var))) { /* Preserve var_anns of globals, but clear their alias info. */ |