diff options
Diffstat (limited to 'gcc/tree-cfg.c')
| -rw-r--r-- | gcc/tree-cfg.c | 15 |
1 files changed, 3 insertions, 12 deletions
diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c index fc30f22..292fa48 100644 --- a/gcc/tree-cfg.c +++ b/gcc/tree-cfg.c @@ -1998,24 +1998,15 @@ remove_bb (basic_block bb) } } - /* If we remove the header or the latch of a loop, mark the loop for - removal by setting its header and latch to NULL. */ if (current_loops) { struct loop *loop = bb->loop_father; + /* If a loop gets removed, clean up the information associated + with it. */ if (loop->latch == bb || loop->header == bb) - { - loop->latch = NULL; - loop->header = NULL; - - /* Also clean up the information associated with the loop. Updating - it would waste time. More importantly, it may refer to ssa - names that were defined in other removed basic block -- these - ssa names are now removed and invalid. */ - free_numbers_of_iterations_estimates_loop (loop); - } + free_numbers_of_iterations_estimates_loop (loop); } /* Remove all the instructions in the block. */ |