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| author | Aldy Hernandez <aldyh@redhat.com> | 2020-08-04 07:09:59 +0200 |
|---|---|---|
| committer | Aldy Hernandez <aldyh@redhat.com> | 2020-08-04 07:23:42 +0200 |
| commit | 92877ab81bf07ba732a3ac3263bcf3ecd45ec266 (patch) | |
| tree | d77ccd8dc87b8599bd32ec818afa6872e959c9c2 /gcc | |
| parent | 01aa5fcad27f87af833a003cf7b014bf9627e48c (diff) | |
| download | gcc-92877ab81bf07ba732a3ac3263bcf3ecd45ec266.zip gcc-92877ab81bf07ba732a3ac3263bcf3ecd45ec266.tar.gz gcc-92877ab81bf07ba732a3ac3263bcf3ecd45ec266.tar.bz2 | |
Use irange API in test_for_singularity.
gcc/ChangeLog:
* vr-values.c (test_for_singularity): Use irange API.
(simplify_using_ranges::simplify_cond_using_ranges_1): Do not
special case VR_RANGE.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/vr-values.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/gcc/vr-values.c b/gcc/vr-values.c index 90ba8fc..e78b255 100644 --- a/gcc/vr-values.c +++ b/gcc/vr-values.c @@ -3480,10 +3480,13 @@ test_for_singularity (enum tree_code cond_code, tree op0, value range information we have for op0. */ if (min && max) { - if (compare_values (vr->min (), min) == 1) - min = vr->min (); - if (compare_values (vr->max (), max) == -1) - max = vr->max (); + tree type = TREE_TYPE (op0); + tree tmin = wide_int_to_tree (type, vr->lower_bound ()); + tree tmax = wide_int_to_tree (type, vr->upper_bound ()); + if (compare_values (tmin, min) == 1) + min = tmin; + if (compare_values (tmax, max) == -1) + max = tmax; /* If the new min/max values have converged to a single value, then there is only one value which can satisfy the condition, @@ -3594,7 +3597,7 @@ simplify_using_ranges::simplify_cond_using_ranges_1 (gcond *stmt) /* If we have range information for OP0, then we might be able to simplify this conditional. */ - if (vr->kind () == VR_RANGE) + if (!vr->undefined_p () && !vr->varying_p ()) { tree new_tree = test_for_singularity (cond_code, op0, op1, vr); if (new_tree) |