- if(is_Proj(irn)) {
- ir_node *pred = get_Proj_pred(irn);
- if(is_ia32_Push(pred) && get_Proj_proj(irn) == pn_ia32_Push_stack) {
- /* Push modifies always ESP, this cannot be changed */
- return arch_irn_flags_modify_sp | arch_irn_flags_ignore;
- }
- if(is_ia32_Pop(pred) && get_Proj_proj(irn) == pn_ia32_Pop_stack) {
- return arch_irn_flags_modify_sp | arch_irn_flags_ignore;
- }
- if(is_ia32_AddSP(pred) && get_Proj_proj(irn) == pn_ia32_AddSP_stack) {
- /* AddSP modifies always ESP, this cannot be changed */
- return arch_irn_flags_modify_sp | arch_irn_flags_ignore;
- }
- if(is_ia32_SubSP(pred) && get_Proj_proj(irn) == pn_ia32_SubSP_stack) {
- /* SubSP modifies always ESP, this cannot be changed */
- return arch_irn_flags_modify_sp | arch_irn_flags_ignore;
- }
- }
-
- irn = my_skip_proj(irn);
- if (is_ia32_irn(irn))
- return get_ia32_flags(irn);