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| author | Bill Wendling <isanbard@gmail.com> | 2012-02-07 01:27:51 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2012-02-07 01:27:51 +0000 |
| commit | a7a3f04eb9a18c11940ab1486709c63c8bd296ff (patch) | |
| tree | 21d732baf3a75e2e893fef2dacd1d589b50f3838 /lib/VMCore/Type.cpp | |
| parent | eb446511ce5f1761962f12f1e8a0c7b342733d1c (diff) | |
| download | llvm-a7a3f04eb9a18c11940ab1486709c63c8bd296ff.tar.gz llvm-a7a3f04eb9a18c11940ab1486709c63c8bd296ff.tar.bz2 llvm-a7a3f04eb9a18c11940ab1486709c63c8bd296ff.tar.xz | |
Reserve space in these vectors to prevent having to grow the array too
much. This gets us an addition 0.9% on 445.gobmk.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149952 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/VMCore/Type.cpp')
| -rw-r--r-- | lib/VMCore/Type.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/VMCore/Type.cpp b/lib/VMCore/Type.cpp index f5c88ccd38..14a5aae70f 100644 --- a/lib/VMCore/Type.cpp +++ b/lib/VMCore/Type.cpp @@ -440,11 +440,12 @@ bool FunctionType::isValidArgumentType(Type *ArgTy) { StructType *StructType::get(LLVMContext &Context, ArrayRef<Type*> ETypes, bool isPacked) { // FIXME: std::vector is horribly inefficient for this probe. - std::vector<Type*> Key; - for (unsigned i = 0, e = ETypes.size(); i != e; ++i) { + unsigned ETypesSize = ETypes.size(); + std::vector<Type*> Key(ETypesSize); + for (unsigned i = 0, e = ETypesSize; i != e; ++i) { assert(isValidElementType(ETypes[i]) && "Invalid type for structure element!"); - Key.push_back(ETypes[i]); + Key[i] = ETypes[i]; } if (isPacked) Key.push_back(0); |