Thanks alot Ian. Actually it is working but when there is only once function in the source file. What to do when there are more than one functions. Thanks Abdul On Thu, May 19, 2011 at 6:59 PM, Ian Lance Taylor <iant@xxxxxxxxxx> wrote: > Abdul Wahid Memon <engrwahidmemon@xxxxxxxxx> writes: > >> Thanks alot. Its working well at GIMPLE but for RTL, it is again >> posing a problem of internal compiler error. > > loop_optimizer_init does work for RTL passes, so you are going to have > to debug what is going wrong. > > Ian > >> On Thu, May 19, 2011 at 2:28 AM, Ian Lance Taylor <iant@xxxxxxxxxx> wrote: >>> Abdul Wahid Memon <engrwahidmemon@xxxxxxxxx> writes: >>> >>>> I am facing some problem at obtaining the number of loops in the source program. >>>> I am trying to use a function number_of_loops defined in cfgloop.h >>>> with the help of plugin. >>>> >>>> I have tried to capture this at both GIMPLE level after copy headers >>>> pass where I always get the value of 0, >>>> because the condition if (!current_loops) return 0; is (I think) >>>> always becoming true and the same thing happens >>>> at RTL after 'loop2_init' pass but I get the value of 1 even in the >>>> presence or in the absence of any loop. >>>> >>>> This is the first time I am playing with GCC plugins. Please help me >>>> out with this issue. >>>> >>>> PS: The passes after which I am puting my passes are definitely >>>> producing the information about the loops as >>>> can be seen from the dumps produced by copy headers pass and loop >>>> initialization. >>> >>> If you want to call number_of_loops you need to call loop_optimizer_init >>> at the start of your pass and loop_optimizer_finalize at the end of it. >>> >>> Ian >>> >
