On Mon, Mar 28, 2016 at 10:55 PM, Richard Biener
<richard.guent...@gmail.com> wrote:
> On March 28, 2016 7:23:26 PM GMT+02:00, Cristina Georgiana Opriceana
> <cristina.oprice...@gmail.com> wrote:
>>Hello,
>>
>>In order to compute all the statements where a variable is used, is it
>>enough to rely on the SSA analysis? I tried to do something like this:
>>
>>FOR_EACH_LOCAL_DECL (cfun, i, var) {
>> for (unsigned int i = 0; i < num_ssa_names; i++) {
>> if (ssa_name(i) && SSA_NAME_VAR (ssa_name(i)) == var) {
>> tree ssa_node = ssa_name(i);
>> FOR_EACH_IMM_USE_FAST (use_op, imm_iter, ssa_node) {
>> gimple * use_stmt = USE_STMT(use_op);
>> ...
>> }
>
> No, you'll miss variables not in SSA form.
>
Could you give me more details on this or maybe some reading material?
As far as I understand, all the VAR_DECL, PARAM_DECL and RESULT_DECL
will be in SSA form.
Thanks,
Cristina
> Richard.
>
>>Thanks,
>>Cristina
>
>
