| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fdump-tree-uncprop-details -w" } */ |
| |
| /* We're looking for a constant argument a PHI node. There |
| should only be one if we unpropagate correctly. */ |
| /* { dg-final { scan-tree-dump-times "<1\|, 1" 1 "uncprop1"} } */ |
| |
| typedef long unsigned int size_t; |
| typedef union gimple_statement_d *gimple; |
| int end_imm_use_stmt_p (void); |
| void next_imm_use_stmt (void); |
| int arf (void); |
| int boo (void); |
| void update_stmt (void); |
| unsigned char |
| propagate_with_phi () |
| { |
| gimple use_stmt; |
| unsigned char phi_inserted; |
| phi_inserted = 0; |
| for (; !end_imm_use_stmt_p (); next_imm_use_stmt ()) |
| { |
| if (!(arf () == 10 && boo () == 20)) |
| continue; |
| if (!phi_inserted) |
| phi_inserted = 1; |
| else |
| update_stmt (); |
| } |
| } |
| |
