From f211616e5d2a3e711d6c066c91c302b7d4bf2468 Mon Sep 17 00:00:00 2001 From: kugan Date: Thu, 15 Sep 2016 02:03:51 +0000 Subject: Iterator to visit SSA gcc/ChangeLog: 2016-09-15 Kugan Vivekanandarajah * tree-ssanames.h (FOR_EACH_SSA_NAME): New. * cfgexpand.c (update_alias_info_with_stack_vars): Use FOR_EACH_SSA_NAME to iterate over SSA variables. (pass_expand::execute): Likewise. * omp-simd-clone.c (ipa_simd_modify_function_body): Likewise. * tree-cfg.c (dump_function_to_file): Likewise. * tree-into-ssa.c (pass_build_ssa::execute): Likewise. (update_ssa): Likewise. * tree-ssa-alias.c (dump_alias_info): Likewise. * tree-ssa-ccp.c (ccp_finalize): Likewise. * tree-ssa-coalesce.c (build_ssa_conflict_graph): Likewise. (create_outofssa_var_map): Likewise. (coalesce_ssa_name): Likewise. * tree-ssa-operands.c (dump_immediate_uses): Likewise. * tree-ssa-pre.c (compute_avail): Likewise. * tree-ssa-sccvn.c (init_scc_vn): Likewise. (scc_vn_restore_ssa_info): Likewise. (free_scc_vn): Likwise. (run_scc_vn): Likewise. * tree-ssa-structalias.c (compute_points_to_sets): Likewise. * tree-ssa-ter.c (new_temp_expr_table): Likewise. * tree-ssa-copy.c (fini_copy_prop): Likewise. * tree-ssa.c (verify_ssa): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@240152 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/tree-ssa-copy.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) (limited to 'gcc/tree-ssa-copy.c') diff --git a/gcc/tree-ssa-copy.c b/gcc/tree-ssa-copy.c index 3d1792646b6..fcf4fa9464a 100644 --- a/gcc/tree-ssa-copy.c +++ b/gcc/tree-ssa-copy.c @@ -503,14 +503,13 @@ static bool fini_copy_prop (void) { unsigned i; + tree var; /* Set the final copy-of value for each variable by traversing the copy-of chains. */ - for (i = 1; i < num_ssa_names; i++) + FOR_EACH_SSA_NAME (i, var, cfun) { - tree var = ssa_name (i); - if (!var - || !copy_of[i].value + if (!copy_of[i].value || copy_of[i].value == var) continue; -- cgit v1.2.1