Preallocate vector, avoid unnecessary vector growth.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109971 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2010-08-01 11:43:26 +00:00
parent 57dba1cf53
commit ad2b04c07f

View File

@ -526,6 +526,7 @@ Constant* ConstantArray::get(const ArrayType* T, Constant* const* Vals,
Constant* ConstantArray::get(LLVMContext &Context, StringRef Str,
bool AddNull) {
std::vector<Constant*> ElementVals;
ElementVals.reserve(Str.size() + size_t(AddNull));
for (unsigned i = 0; i < Str.size(); ++i)
ElementVals.push_back(ConstantInt::get(Type::getInt8Ty(Context), Str[i]));