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| author | Aldy Hernandez <aldyh@redhat.com> | 2022-10-01 22:31:34 +0200 |
|---|---|---|
| committer | Aldy Hernandez <aldyh@redhat.com> | 2022-10-03 13:06:25 +0200 |
| commit | 7f6f1f521fc12d4dbbdd0766d8fb7121d1e5ea8d (patch) | |
| tree | f395894c8e3cf0e99b5ff637e4c531e3a4cd0581 | |
| parent | 8e1de8d2db2500d9d4d76c91c3c2dab761566a1a (diff) | |
| download | gcc-7f6f1f521fc12d4dbbdd0766d8fb7121d1e5ea8d.zip gcc-7f6f1f521fc12d4dbbdd0766d8fb7121d1e5ea8d.tar.gz gcc-7f6f1f521fc12d4dbbdd0766d8fb7121d1e5ea8d.tar.bz2 | |
Avoid comparing ranges when sub-ranges is 0.
There is nothing else to compare when the number of sub-ranges is 0.
gcc/ChangeLog:
* value-range.cc (irange::operator==): Early bail on m_num_ranges
equal to 0.
| -rw-r--r-- | gcc/value-range.cc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/value-range.cc b/gcc/value-range.cc index ddbcdd6..e1066f4 100644 --- a/gcc/value-range.cc +++ b/gcc/value-range.cc @@ -1260,6 +1260,9 @@ irange::operator== (const irange &other) const if (m_num_ranges != other.m_num_ranges) return false; + if (m_num_ranges == 0) + return true; + for (unsigned i = 0; i < m_num_ranges; ++i) { tree lb = tree_lower_bound (i); |