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authorTrevor Saunders <tbsaunde+gcc@tbsaunde.org>2017-05-14 00:39:23 +0000
committerTrevor Saunders <tbsaunde@gcc.gnu.org>2017-05-14 00:39:23 +0000
commit6fa95e0961bc15efa5ff52fc7358aee78a16a33c (patch)
treecb4fb40255dee04a4d085d4a1614b8d8b295cd27 /gcc/tree-ssa-dce.c
parent35bfaf4d537dbf181575c9568a54da33d45a30ad (diff)
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make inverted_post_order_compute() operate on a vec
gcc/ChangeLog: 2017-05-13 Trevor Saunders <tbsaunde+gcc@tbsaunde.org> * cfganal.c (inverted_post_order_compute): Change argument type to vec *. * cfganal.h (inverted_post_order_compute): Adjust prototype. * df-core.c (rest_of_handle_df_initialize): Adjust. (rest_of_handle_df_finish): Likewise. (df_analyze_1): Likewise. (df_analyze): Likewise. (loop_inverted_post_order_compute): Change argument to be a vec *. (df_analyze_loop): Adjust. (df_get_n_blocks): Likewise. (df_get_postorder): Likewise. * df.h (struct df_d): Change field to be a vec. * lcm.c (compute_laterin): Adjust. (compute_available): Likewise. * lra-lives.c (lra_create_live_ranges_1): Likewise. * tree-ssa-dce.c (remove_dead_stmt): Likewise. * tree-ssa-pre.c (compute_antic): Likewise. From-SVN: r248027
Diffstat (limited to 'gcc/tree-ssa-dce.c')
-rw-r--r--gcc/tree-ssa-dce.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/gcc/tree-ssa-dce.c b/gcc/tree-ssa-dce.c
index 4225c3c..428dc81 100644
--- a/gcc/tree-ssa-dce.c
+++ b/gcc/tree-ssa-dce.c
@@ -1040,14 +1040,12 @@ remove_dead_stmt (gimple_stmt_iterator *i, basic_block bb)
{
if (!bb_postorder)
{
- int *postorder = XNEWVEC (int, n_basic_blocks_for_fn (cfun));
- int postorder_num
- = inverted_post_order_compute (postorder,
- &bb_contains_live_stmts);
+ auto_vec<int, 20> postorder;
+ inverted_post_order_compute (&postorder,
+ &bb_contains_live_stmts);
bb_postorder = XNEWVEC (int, last_basic_block_for_fn (cfun));
- for (int i = 0; i < postorder_num; ++i)
+ for (unsigned int i = 0; i < postorder.length (); ++i)
bb_postorder[postorder[i]] = i;
- free (postorder);
}
FOR_EACH_EDGE (e2, ei, bb->succs)
if (!e || e2->dest == EXIT_BLOCK_PTR_FOR_FN (cfun)