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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2013-09-13 17:33:24 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2013-09-13 17:33:24 +0000 |
| commit | cbe40cfe96a6bb3f2da56445269c2c71e55e0e56 (patch) | |
| tree | 2e8de837bd5fe4285004d64f3a7b1dbf5d57cbed /include/llvm/ADT/DenseMap.h | |
| parent | e946a9ceda24775153c2c869e30afab058088238 (diff) | |
| download | external_llvm-cbe40cfe96a6bb3f2da56445269c2c71e55e0e56.zip external_llvm-cbe40cfe96a6bb3f2da56445269c2c71e55e0e56.tar.gz external_llvm-cbe40cfe96a6bb3f2da56445269c2c71e55e0e56.tar.bz2 | |
Add warn_unused_result to empty() on various containers.
empty() doesn't actually empty out the container, making this a common typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190708 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/ADT/DenseMap.h')
| -rw-r--r-- | include/llvm/ADT/DenseMap.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/llvm/ADT/DenseMap.h b/include/llvm/ADT/DenseMap.h index 0b30161..fac0b95 100644 --- a/include/llvm/ADT/DenseMap.h +++ b/include/llvm/ADT/DenseMap.h @@ -64,7 +64,9 @@ public: return const_iterator(getBucketsEnd(), getBucketsEnd(), true); } - bool empty() const { return getNumEntries() == 0; } + bool LLVM_ATTRIBUTE_UNUSED_RESULT empty() const { + return getNumEntries() == 0; + } unsigned size() const { return getNumEntries(); } /// Grow the densemap so that it has at least Size buckets. Does not shrink |