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1ccd7cfa2b
This is a very thin wrapper around StringRef::getAsInteger.
It serves three purposes.
1) It allows a cleaner syntax when you have something other than
a StringRef - for example, a std::string or an llvm::SmallString.
Previously, in this case you would have to write something like:
StringRef(MyStr).getAsInteger(0, Result)
by explicitly constructing a temporary StringRef. This can be
done implicitly however with the new function by just writing:
to_integer(MyStr, ...).
2) Correcting the travesty that is getAsInteger's return value.
This function returns true on success, and false on failure.
While this may cause confusion with people familiar with the
getAsInteger API, there seems to be widespread agreement that
the return semantics of getAsInteger was a mistake.
3) It allows the Radix to be deduced as a default argument by
putting it last in the parameter list. Most uses of getAsInteger
pass 0 for the first argument. With this syntax it can just be
omitted.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303011 91177308-0d34-0410-b5e6-96231b3b80d8
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| tools | ||
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| CODE_OWNERS.TXT | ||
| configure | ||
| CREDITS.TXT | ||
| LICENSE.TXT | ||
| llvm.spec.in | ||
| LLVMBuild.txt | ||
| README.txt | ||
| RELEASE_TESTERS.TXT | ||
Low Level Virtual Machine (LLVM) ================================ This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments. LLVM is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt. Please see the documentation provided in docs/ for further assistance with LLVM, and in particular docs/GettingStarted.rst for getting started with LLVM and docs/README.txt for an overview of LLVM's documentation setup. If you are writing a package for LLVM, see docs/Packaging.rst for our suggestions.