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| author | Richard Biener <rguenther@suse.de> | 2022-03-21 09:39:17 +0100 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2022-03-21 09:41:45 +0100 |
| commit | 70b8f43695b0e6fabc760d247ac83f354092b21d (patch) | |
| tree | c17985da97ac90a1b4fac827e3ee5b74f93dded8 /gcc | |
| parent | 5177634148aab7a7b193eaa9b8c73ce00a38c481 (diff) | |
| download | gcc-70b8f43695b0e6fabc760d247ac83f354092b21d.zip gcc-70b8f43695b0e6fabc760d247ac83f354092b21d.tar.gz gcc-70b8f43695b0e6fabc760d247ac83f354092b21d.tar.bz2 | |
Dump when estimating the number of iterations of a loop
Currently the dumps are somewhat inter-mangled, not showing the
(possibly bad) recursion between niter estimation and number of
iteration computation. The following tries to improve deciphering
a little bit by dumping when we do niter estimation.
2022-03-21 Richard Biener <rguenther@suse.de>
* tree-ssa-loop-niter.cc (estimate_numbers_of_iterations): Dump
we are estimating niter of loop.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/tree-ssa-loop-niter.cc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/tree-ssa-loop-niter.cc b/gcc/tree-ssa-loop-niter.cc index 9bb5097..afa5106 100644 --- a/gcc/tree-ssa-loop-niter.cc +++ b/gcc/tree-ssa-loop-niter.cc @@ -4374,6 +4374,9 @@ estimate_numbers_of_iterations (class loop *loop) if (loop->estimate_state != EST_NOT_COMPUTED) return; + if (dump_file && (dump_flags & TDF_DETAILS)) + fprintf (dump_file, "Estimating # of iterations of loop %d\n", loop->num); + loop->estimate_state = EST_AVAILABLE; /* If we have a measured profile, use it to estimate the number of |