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In Twine::str(), if the Twine stores only a std::string, just return a direct copy of that instead of first copying to a SmallString and converting that to a std::string. Also fix some indentation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135267 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -14,6 +14,11 @@
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using namespace llvm;
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std::string Twine::str() const {
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// If we're storing only a std::string, just return it.
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if (LHSKind == StdStringKind && RHSKind == EmptyKind)
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return *static_cast<const std::string*>(LHS);
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// Otherwise, flatten and copy the contents first.
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SmallString<256> Vec;
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return toStringRef(Vec).str();
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}
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@ -37,9 +42,9 @@ StringRef Twine::toNullTerminatedStringRef(SmallVectorImpl<char> &Out) const {
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// Already null terminated, yay!
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return StringRef(static_cast<const char*>(LHS));
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case StdStringKind: {
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const std::string *str = static_cast<const std::string*>(LHS);
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return StringRef(str->c_str(), str->size());
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}
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const std::string *str = static_cast<const std::string*>(LHS);
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return StringRef(str->c_str(), str->size());
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}
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default:
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break;
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}
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