Tried gimple_lineno( ) ....
Many line numbers are missing when compared to the .gimple/SSA/cfg files.
These missing line numbers also contain the goto statements.
On 2/12/14, Prathamesh Kulkarni <bilbotheelffriend@xxxxxxxxx> wrote:
> On Wed, Feb 12, 2014 at 10:22 PM, Mohsin Khan <mohsin1510@xxxxxxxxx> wrote:
>> Hi,
>>
>> I am developing plugins for the GCC-4.8.2. I am a newbie in plugins.
>> I wrote a plugin and tried to count and see the Goto Statements using
>> the gimple_stmt_iterator. I get gimple statements printed on my
>> stdout, but I am not able to find the line which has goto statements.
> Try using gimple_lineno()
>
>> I only get other lines such as variable declaration and logic
>> statements, but no goto statements.
>> When I open the Gimple/SSA/CFG file seperately using the vim editor
>> I find the goto statements are actually present.
>> So, can anyone help me. How can I actually get the count of Goto
>> statements or atleast access these goto statements using some
>> iterator.
>> I have used -fdump-tree-all, -fdump-tree-cfg as flags.
>>
>> Here is the pseudocode:
>>
>> struct register_pass_info pass_info = {
>> &(pass_plugin.pass), /* Address of new pass,
>> here, the 'struct
>> opt_pass' field of
>> 'gimple_opt_pass'
>> defined above */
>> "ssa", /* Name of the reference
>> pass for hooking up
>> the new pass. ??? */
>> 0, /* Insert the pass at the
>> specified instance
>> number of the reference
>> pass. Do it for
>> every instance if it is 0.
>> */
>> PASS_POS_INSERT_AFTER /* how to insert the new
>> pass: before,
>> after, or replace. Here
>> we are inserting
>> a pass names 'plug' after
>> the pass named
>> 'pta' */
>> };
>>
>>
>> .............
>>
>> static unsigned int dead_code_elimination (void)
>> {
>>
>> FOR_EACH_BB_FN (bb, cfun)
>> {
>> // gimple_dump_bb(stdout,bb,0,0);
>> // printf("\nIn New BB");
>>
>> gsi2= gsi_after_labels (bb);
>> print_gimple_stmt(stdout,gsi_stmt(gsi2),0,0);
>> /*Iterating over each gimple statement in a basic block*/
>> for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next
>> (&gsi))
>> {
>> g = gsi_stmt(gsi);
>>
>> print_gimple_stmt(stdout,g,0,0);
>>
>> if (gimple_code(g)==GIMPLE_GOTO)
>> printf("\nFound GOTO stmt\n");
>>
>>
>> print_gimple_stmt(stdout,gsi_stmt(gsi),0,0);
>> // analyze_gimple_statement (gsi);
>> }
>> }
>> }
>
