diff options
Diffstat (limited to 'gcc/tree-ssa-ter.c')
| -rw-r--r-- | gcc/tree-ssa-ter.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/gcc/tree-ssa-ter.c b/gcc/tree-ssa-ter.c index 6e19e1f6edc..dbfa37cf7c4 100644 --- a/gcc/tree-ssa-ter.c +++ b/gcc/tree-ssa-ter.c @@ -498,10 +498,11 @@ process_replaceable (temp_expr_table_p tab, gimple stmt, int call_cnt) def = SINGLE_SSA_TREE_OPERAND (stmt, SSA_OP_DEF); version = SSA_NAME_VERSION (def); - basevar = SSA_NAME_VAR (def); def_vars = BITMAP_ALLOC (NULL); - bitmap_set_bit (def_vars, DECL_UID (basevar)); + basevar = SSA_NAME_VAR (def); + if (basevar) + bitmap_set_bit (def_vars, DECL_UID (basevar)); /* Add this expression to the dependency list for each use partition. */ FOR_EACH_SSA_TREE_OPERAND (var, stmt, iter, SSA_OP_USE) @@ -515,7 +516,7 @@ process_replaceable (temp_expr_table_p tab, gimple stmt, int call_cnt) bitmap_ior_into (def_vars, use_vars); BITMAP_FREE (tab->expr_decl_uids[var_version]); } - else + else if (SSA_NAME_VAR (var)) bitmap_set_bit (def_vars, DECL_UID (SSA_NAME_VAR (var))); } tab->expr_decl_uids[version] = def_vars; @@ -626,7 +627,8 @@ find_replaceable_in_bb (temp_expr_table_p tab, basic_block bb) if (!bitmap_empty_p (vars)) FOR_EACH_SSA_TREE_OPERAND (def, stmt, iter2, SSA_OP_DEF) { - if (bitmap_bit_p (vars, DECL_UID (SSA_NAME_VAR (def)))) + if (SSA_NAME_VAR (def) + && bitmap_bit_p (vars, DECL_UID (SSA_NAME_VAR (def)))) { same_root_var = true; break; |