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| author | Chris Lattner <sabre@nondot.org> | 2009-08-30 05:55:04 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-08-30 05:55:04 +0000 |
| commit | e08503cd286a026edfb5f63c3d03b26ae62fa93f (patch) | |
| tree | 97cc4e58f642b3632ef7cc93f7fa606605008551 /llvm | |
| parent | 520bd0e6895235a8f538564da2dbff789bbd6cb0 (diff) | |
| download | bcm5719-llvm-e08503cd286a026edfb5f63c3d03b26ae62fa93f.tar.gz bcm5719-llvm-e08503cd286a026edfb5f63c3d03b26ae62fa93f.zip | |
make DenseMap::clear() early exit if there is nothing to do.
llvm-svn: 80480
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/include/llvm/ADT/DenseMap.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/include/llvm/ADT/DenseMap.h b/llvm/include/llvm/ADT/DenseMap.h index b5862a9f011..b220714b36c 100644 --- a/llvm/include/llvm/ADT/DenseMap.h +++ b/llvm/include/llvm/ADT/DenseMap.h @@ -93,6 +93,8 @@ public: void resize(size_t Size) { grow(Size); } void clear() { + if (NumEntries == 0 && NumTombstones == 0) return; + // If the capacity of the array is huge, and the # elements used is small, // shrink the array. if (NumEntries * 4 < NumBuckets && NumBuckets > 64) { |
