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| author | Aldy Hernandez <aldyh@redhat.com> | 2021-04-17 14:26:33 +0200 |
|---|---|---|
| committer | Aldy Hernandez <aldyh@redhat.com> | 2021-04-26 15:42:50 +0200 |
| commit | 694c956b6b877e48323cf86c90c09237b7b0e8c8 (patch) | |
| tree | 2849f7af5081259c283a52c0af30ff724c0c28d3 /gcc/vr-values.c | |
| parent | 778032166d960d97541e652c59684d1187d0233c (diff) | |
| download | gcc-694c956b6b877e48323cf86c90c09237b7b0e8c8.zip gcc-694c956b6b877e48323cf86c90c09237b7b0e8c8.tar.gz gcc-694c956b6b877e48323cf86c90c09237b7b0e8c8.tar.bz2 | |
Remove irange::varying_p checks from symbolic_p and constant_p.
As of a few releases ago, varying_p() ranges are also constant_p.
Consequently, there is no need to check varying_p from either
symbolic_p or constant_p.
I have adjusted a few users of constant_p that were depending on
constant_p returning false for varying_p. In these cases, I have
placed the varying_p check before the constant_p check to avoid
the more expensive constant_p check when possible.
gcc/ChangeLog:
* gimple-ssa-evrp-analyze.c (evrp_range_analyzer::set_ssa_range_info):
Adjust for constant_p including varying_p.
* tree-vrp.c (vrp_prop::finalize): Same.
(determine_value_range): Same.
* vr-values.c (vr_values::range_of_expr): Same.
* value-range.cc (irange::symbolic_p): Do not check varying_p.
(irange::constant_p): Same.
Diffstat (limited to 'gcc/vr-values.c')
| -rw-r--r-- | gcc/vr-values.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/vr-values.c b/gcc/vr-values.c index e117f66..08b237b 100644 --- a/gcc/vr-values.c +++ b/gcc/vr-values.c @@ -182,7 +182,7 @@ vr_values::range_of_expr (irange &r, tree expr, gimple *stmt) if (const value_range *vr = get_value_range (expr, stmt)) { - if (vr->undefined_p () || vr->varying_p () || vr->constant_p ()) + if (vr->undefined_p () || vr->constant_p ()) r = *vr; else { |