- ir_block *bbody = NULL, *end_bbody = NULL;
- ir_block *bprecond = NULL, *end_bprecond = NULL;
- ir_block *bpostcond = NULL, *end_bpostcond = NULL;
- ir_block *bincrement = NULL, *end_bincrement = NULL;
- ir_block *bout = NULL, *bin = NULL;
+ ir_block *bbody = nullptr, *end_bbody = nullptr;
+ ir_block *bprecond = nullptr, *end_bprecond = nullptr;
+ ir_block *bpostcond = nullptr, *end_bpostcond = nullptr;
+ ir_block *bincrement = nullptr, *end_bincrement = nullptr;
+ ir_block *bout = nullptr, *bin = nullptr;