本文整理汇总了C++中StructType::getTypeAtIndex方法的典型用法代码示例。如果您正苦于以下问题:C++ StructType::getTypeAtIndex方法的具体用法?C++ StructType::getTypeAtIndex怎么用?C++ StructType::getTypeAtIndex使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类StructType
的用法示例。
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示例1: getTypeAlignment
/// Returns the byte alignment of this type
unsigned getTypeAlignment(const llvm::Type* type)
{
using namespace llvm;
// Array types are aligned to their element type
if (const ArrayType* psAT = dyn_cast<ArrayType>(type))
{
return getTypeAlignment(psAT->getElementType());
}
// Struct alignment is the size of its largest contained type
if (const StructType* structT = dyn_cast<StructType>(type))
{
if (structT->isPacked())
return 1;
StructType* nonConstTy = const_cast<StructType*>(structT);
unsigned uAlign = 0, uMaxAlign = 1;
unsigned uCount = structT->getNumElements();
for (unsigned i = 0; i < uCount; i++)
{
const Type* psElemType = nonConstTy->getTypeAtIndex(i);
uAlign = getTypeAlignment(psElemType);
if (uAlign > uMaxAlign)
uMaxAlign = uAlign;
}
return uMaxAlign;
}
return getTypeSize(type);
}