Ok, thank you. Then, is there any macro to know if a gimple statement is a FOR_STMT like FOR_COND, or FOR_EXPR thats available for the cparser ? Basically someway to know the lowered statements are within a for loop. On Tue, May 5, 2009 at 10:51 AM, Ian Lance Taylor <iant@xxxxxxxxxx> wrote: > Tim Prince <TimothyPrince@xxxxxxxxxxxxx> writes: > >> Aravinda wrote: >> >>> Since I dont know what OMP stands for, I was wondering if >>> 'GIMPLE_OMP_FOR' statements represent the 'for loop' statements ? >>> Also, can someone please tell me which is the latest pass where I will >>> be able to notice the GIMPLE_OMP_FOR statements ? >> >> OMP stands for OpenMP, the widely used standard parallelization directives >> for C, C++, and Fortran, implemented as libgomp for gcc. So, OMP_FOR >> would be an OpenMP parallel for loop. > > To answer the other half of your question, in C/C++ for loops are not > represented in GIMPLE at all. The C parser converts them directly into > goto statements. The C++ parser generates FOR_STMT nodes in the > frontend, and converts them to goto statements when converting to > GIMPLE. > > Ian >
