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| author | Chris Lattner <sabre@nondot.org> | 2007-08-10 06:54:38 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2007-08-10 06:54:38 +0000 |
| commit | 02cee38647ea413e5d05f29f67a7f003db9f0081 (patch) | |
| tree | 4a005f2c8016bd9396575ebc28979247dcf668e9 /include/llvm/ADT/SmallVector.h | |
| parent | 76d708b76fa434904bd68c64e6d6efba6229f0bf (diff) | |
| download | llvm-02cee38647ea413e5d05f29f67a7f003db9f0081.tar.gz llvm-02cee38647ea413e5d05f29f67a7f003db9f0081.tar.bz2 llvm-02cee38647ea413e5d05f29f67a7f003db9f0081.tar.xz | |
small speedup in the case where a smallvector is default ctor'd from
an empty vector. This speeds up llc slightly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40983 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/ADT/SmallVector.h')
| -rw-r--r-- | include/llvm/ADT/SmallVector.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/llvm/ADT/SmallVector.h b/include/llvm/ADT/SmallVector.h index 876ca27fec..1c970a5598 100644 --- a/include/llvm/ADT/SmallVector.h +++ b/include/llvm/ADT/SmallVector.h @@ -455,7 +455,8 @@ public: } SmallVector(const SmallVector &RHS) : SmallVectorImpl<T>(NumTsAvailable) { - operator=(RHS); + if (!RHS.empty()) + operator=(RHS); } const SmallVector &operator=(const SmallVector &RHS) { |