diff options
Diffstat (limited to 'gcc/tree-scalar-evolution.c')
| -rw-r--r-- | gcc/tree-scalar-evolution.c | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/gcc/tree-scalar-evolution.c b/gcc/tree-scalar-evolution.c index 0c1f1df..de05f64 100644 --- a/gcc/tree-scalar-evolution.c +++ b/gcc/tree-scalar-evolution.c @@ -2910,34 +2910,6 @@ number_of_latch_executions (struct loop *loop) loop->nb_iterations = res; return res; } - -/* Returns the number of executions of the exit condition of LOOP, - i.e., the number by one higher than number_of_latch_executions. - Note that unlike number_of_latch_executions, this number does - not necessarily fit in the unsigned variant of the type of - the control variable -- if the number of iterations is a constant, - we return chrec_dont_know if adding one to number_of_latch_executions - overflows; however, in case the number of iterations is symbolic - expression, the caller is responsible for dealing with this - the possible overflow. */ - -tree -number_of_exit_cond_executions (struct loop *loop) -{ - tree ret = number_of_latch_executions (loop); - tree type = chrec_type (ret); - - if (chrec_contains_undetermined (ret)) - return ret; - - ret = chrec_fold_plus (type, ret, build_int_cst (type, 1)); - if (TREE_CODE (ret) == INTEGER_CST - && TREE_OVERFLOW (ret)) - return chrec_dont_know; - - return ret; -} - /* Counters for the stats. */ |