diff options
Diffstat (limited to 'gcc/tree-dfa.c')
| -rw-r--r-- | gcc/tree-dfa.c | 42 |
1 files changed, 15 insertions, 27 deletions
diff --git a/gcc/tree-dfa.c b/gcc/tree-dfa.c index 38d60c0a136..c923cdad7fc 100644 --- a/gcc/tree-dfa.c +++ b/gcc/tree-dfa.c @@ -215,8 +215,9 @@ make_rename_temp (tree type, const char *prefix) if (referenced_vars) { add_referenced_tmp_var (t); - bitmap_set_bit (vars_to_rename, var_ann (t)->uid); + mark_sym_for_renaming (t); } + return t; } @@ -617,11 +618,11 @@ add_referenced_tmp_var (tree var) } -/* Add all the non-SSA variables found in STMT's operands to the bitmap - VARS_TO_RENAME. */ +/* Mark all the non-SSA variables found in STMT's operands to be + processed by update_ssa. */ void -mark_new_vars_to_rename (tree stmt, bitmap vars_to_rename) +mark_new_vars_to_rename (tree stmt) { ssa_op_iter iter; tree val; @@ -660,13 +661,11 @@ mark_new_vars_to_rename (tree stmt, bitmap vars_to_rename) v_must_defs_after = NUM_V_MUST_DEFS (STMT_V_MUST_DEF_OPS (stmt)); FOR_EACH_SSA_TREE_OPERAND (val, stmt, iter, SSA_OP_ALL_OPERANDS) - { - if (DECL_P (val)) - { - found_exposed_symbol = true; - bitmap_set_bit (vars_to_rename, var_ann (val)->uid); - } - } + if (DECL_P (val)) + { + found_exposed_symbol = true; + mark_sym_for_renaming (val); + } /* If we found any newly exposed symbols, or if there are fewer VDEF operands in the statement, add the variables we had set in @@ -676,7 +675,7 @@ mark_new_vars_to_rename (tree stmt, bitmap vars_to_rename) if (found_exposed_symbol || v_may_defs_before > v_may_defs_after || v_must_defs_before > v_must_defs_after) - bitmap_ior_into (vars_to_rename, vars_in_vops_to_rename); + mark_set_for_renaming (vars_in_vops_to_rename); BITMAP_FREE (vars_in_vops_to_rename); } @@ -691,7 +690,10 @@ find_new_referenced_vars_1 (tree *tp, int *walk_subtrees, tree t = *tp; if (TREE_CODE (t) == VAR_DECL && !var_ann (t)) - add_referenced_tmp_var (t); + { + add_referenced_tmp_var (t); + mark_sym_for_renaming (t); + } if (IS_TYPE_OR_DECL_P (t)) *walk_subtrees = 0; @@ -706,20 +708,6 @@ find_new_referenced_vars (tree *stmt_p) } -/* Mark all call-clobbered variables for renaming. */ - -void -mark_call_clobbered_vars_to_rename (void) -{ - unsigned i; - bitmap_iterator bi; - EXECUTE_IF_SET_IN_BITMAP (call_clobbered_vars, 0, i, bi) - { - tree var = referenced_var (i); - bitmap_set_bit (vars_to_rename, var_ann (var)->uid); - } -} - /* If REF is a COMPONENT_REF for a structure that can have sub-variables, and we know where REF is accessing, return the variable in REF that has the sub-variables. If the return value is not NULL, POFFSET will be the |