aboutsummaryrefslogtreecommitdiff
path: root/gcc/tree-ssa.c
diff options
context:
space:
mode:
authorKugan Vivekanandarajah <kuganv@linaro.org>2016-09-15 02:03:51 +0000
committerKugan Vivekanandarajah <kugan@gcc.gnu.org>2016-09-15 02:03:51 +0000
commit46aa019a01e8278b12961c63fb457306e09cf13f (patch)
tree39c6eda48c393bf21246adc888f27ba357e13f17 /gcc/tree-ssa.c
parent7332afeab41a577291ea7bc20a353bcab0bd7476 (diff)
downloadgcc-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.c')
-rw-r--r--gcc/tree-ssa.c30
1 files changed, 14 insertions, 16 deletions
diff --git a/gcc/tree-ssa.c b/gcc/tree-ssa.c
index aae383d..d442a5f 100644
--- a/gcc/tree-ssa.c
+++ b/gcc/tree-ssa.c
@@ -1005,7 +1005,6 @@ error:
DEBUG_FUNCTION void
verify_ssa (bool check_modified_stmt, bool check_ssa_operands)
{
- size_t i;
basic_block bb;
basic_block *definition_block = XCNEWVEC (basic_block, num_ssa_names);
ssa_op_iter iter;
@@ -1018,24 +1017,23 @@ verify_ssa (bool check_modified_stmt, bool check_ssa_operands)
timevar_push (TV_TREE_SSA_VERIFY);
/* Keep track of SSA names present in the IL. */
- for (i = 1; i < num_ssa_names; i++)
+ size_t i;
+ tree name;
+
+ FOR_EACH_SSA_NAME (i, name, cfun)
{
- tree name = ssa_name (i);
- if (name)
- {
- gimple *stmt;
- TREE_VISITED (name) = 0;
+ gimple *stmt;
+ TREE_VISITED (name) = 0;
- verify_ssa_name (name, virtual_operand_p (name));
+ verify_ssa_name (name, virtual_operand_p (name));
- stmt = SSA_NAME_DEF_STMT (name);
- if (!gimple_nop_p (stmt))
- {
- basic_block bb = gimple_bb (stmt);
- if (verify_def (bb, definition_block,
- name, stmt, virtual_operand_p (name)))
- goto err;
- }
+ stmt = SSA_NAME_DEF_STMT (name);
+ if (!gimple_nop_p (stmt))
+ {
+ basic_block bb = gimple_bb (stmt);
+ if (verify_def (bb, definition_block,
+ name, stmt, virtual_operand_p (name)))
+ goto err;
}
}