зеркало из https://github.com/microsoft/clang-1.git
simplify code and smallvectorize.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149915 91177308-0d34-0410-b5e6-96231b3b80d8
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5b6a3ddda0
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6ef016f872
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@ -1375,17 +1375,18 @@ llvm::Constant *CodeGenModule::EmitNullConstant(QualType T) {
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return llvm::Constant::getNullValue(getTypes().ConvertTypeForMem(T));
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return llvm::Constant::getNullValue(getTypes().ConvertTypeForMem(T));
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if (const ConstantArrayType *CAT = Context.getAsConstantArrayType(T)) {
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if (const ConstantArrayType *CAT = Context.getAsConstantArrayType(T)) {
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llvm::ArrayType *ATy =
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cast<llvm::ArrayType>(getTypes().ConvertTypeForMem(T));
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QualType ElementTy = CAT->getElementType();
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QualType ElementTy = CAT->getElementType();
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llvm::Constant *Element = EmitNullConstant(ElementTy);
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llvm::Constant *Element = EmitNullConstant(ElementTy);
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unsigned NumElements = CAT->getSize().getZExtValue();
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unsigned NumElements = CAT->getSize().getZExtValue();
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std::vector<llvm::Constant *> Array(NumElements);
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for (unsigned i = 0; i != NumElements; ++i)
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if (Element->isNullValue())
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Array[i] = Element;
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return llvm::ConstantAggregateZero::get(ATy);
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llvm::ArrayType *ATy =
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SmallVector<llvm::Constant *, 8> Array(NumElements, Element);
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cast<llvm::ArrayType>(getTypes().ConvertTypeForMem(T));
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return llvm::ConstantArray::get(ATy, Array);
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return llvm::ConstantArray::get(ATy, Array);
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}
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}
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