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| author | Chandler Carruth <chandlerc@gmail.com> | 2012-06-17 10:33:51 +0000 |
|---|---|---|
| committer | Chandler Carruth <chandlerc@gmail.com> | 2012-06-17 10:33:51 +0000 |
| commit | 6446d7e6d641135bdf9dc315ed69d0b10067fbd6 (patch) | |
| tree | 1b64b1d811ade03ef9ab784cdebf8e7e502d2ada /unittests/Support/AlignOfTest.cpp | |
| parent | dd9d38d57bbd2161e04af90a9e03011afb039b16 (diff) | |
| download | llvm-6446d7e6d641135bdf9dc315ed69d0b10067fbd6.tar.gz llvm-6446d7e6d641135bdf9dc315ed69d0b10067fbd6.tar.bz2 llvm-6446d7e6d641135bdf9dc315ed69d0b10067fbd6.tar.xz | |
Add tests for *DenesMap for both key and value types' construction and
destruction and fix a bug in SmallDenseMap they caught.
This is kind of a poor-man's version of the testing that just adds the
addresses to a set on construction and removes them on destruction. We
check that double construction and double destruction don't occur.
Amusingly enough, this is enough to catch a lot of SmallDenseMap issues
because we spend a lot of time with fixed stable addresses in the inline
buffer.
The SmallDenseMap bug fix included makes grow() not double-destroy in
some cases. It also fixes a FIXME there, the code was pretty crappy. We
now don't have any wasted initialization, but we do move the entries in
inline bucket array an extra time. It's probably a better tradeoff, and
is much easier to get correct.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158639 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'unittests/Support/AlignOfTest.cpp')
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