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| author | Kugan Vivekanandarajah <kuganv@linaro.org> | 2016-09-15 02:03:51 +0000 |
|---|---|---|
| committer | Kugan Vivekanandarajah <kugan@gcc.gnu.org> | 2016-09-15 02:03:51 +0000 |
| commit | 46aa019a01e8278b12961c63fb457306e09cf13f (patch) | |
| tree | 39c6eda48c393bf21246adc888f27ba357e13f17 /gcc/tree-ssa-coalesce.c | |
| parent | 7332afeab41a577291ea7bc20a353bcab0bd7476 (diff) | |
| download | gcc-46aa019a01e8278b12961c63fb457306e09cf13f.zip gcc-46aa019a01e8278b12961c63fb457306e09cf13f.tar.gz gcc-46aa019a01e8278b12961c63fb457306e09cf13f.tar.bz2 | |
Iterator to visit SSA
Iterator to visit SSA
gcc/ChangeLog:
2016-09-15 Kugan Vivekanandarajah <kuganv@linaro.org>
* 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.
From-SVN: r240152
Diffstat (limited to 'gcc/tree-ssa-coalesce.c')
| -rw-r--r-- | gcc/tree-ssa-coalesce.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/gcc/tree-ssa-coalesce.c b/gcc/tree-ssa-coalesce.c index 34c3fa1..01f6c5f 100644 --- a/gcc/tree-ssa-coalesce.c +++ b/gcc/tree-ssa-coalesce.c @@ -955,12 +955,11 @@ build_ssa_conflict_graph (tree_live_info_p liveinfo) if (bb == entry) { unsigned i; - for (i = 1; i < num_ssa_names; i++) - { - tree var = ssa_name (i); + tree var; - if (!var - || !SSA_NAME_IS_DEFAULT_DEF (var) + FOR_EACH_SSA_NAME (i, var, cfun) + { + if (!SSA_NAME_IS_DEFAULT_DEF (var) || !SSA_NAME_VAR (var) || VAR_P (SSA_NAME_VAR (var))) continue; @@ -1261,10 +1260,9 @@ create_outofssa_var_map (coalesce_list *cl, bitmap used_in_copy) /* Now process result decls and live on entry variables for entry into the coalesce list. */ first = NULL_TREE; - for (i = 1; i < num_ssa_names; i++) + FOR_EACH_SSA_NAME (i, var, cfun) { - var = ssa_name (i); - if (var != NULL_TREE && !virtual_operand_p (var)) + if (!virtual_operand_p (var)) { coalesce_with_default (var, cl, used_in_copy); @@ -1806,6 +1804,7 @@ coalesce_ssa_name (void) bitmap used_in_copies = BITMAP_ALLOC (NULL); var_map map; unsigned int i; + tree a; cl = create_coalesce_list (); map = create_outofssa_var_map (cl, used_in_copies); @@ -1817,12 +1816,9 @@ coalesce_ssa_name (void) { hash_table<ssa_name_var_hash> ssa_name_hash (10); - for (i = 1; i < num_ssa_names; i++) + FOR_EACH_SSA_NAME (i, a, cfun) { - tree a = ssa_name (i); - - if (a - && SSA_NAME_VAR (a) + if (SSA_NAME_VAR (a) && !DECL_IGNORED_P (SSA_NAME_VAR (a)) && (!has_zero_uses (a) || !SSA_NAME_IS_DEFAULT_DEF (a) || !VAR_P (SSA_NAME_VAR (a)))) |