Method GetLoweredType

IDEHelper/Compiler/BfResolvedTypeUtils.cpp:2092–2436

}

bool BfTypeInstance::GetLoweredType(BfTypeUsage typeUsage, BfTypeCode* outTypeCode, BfTypeCode* outTypeCode2)
{
	if ((mTypeDef->mTypeCode != BfTypeCode_Struct) || (IsBoxed()) || (mIsSplattable))
		return false;
	if (mHasUnderlyingArray)
		return false;

	bool deepCheck = false;

	if (mModule->mCompiler->mOptions.mMachineType == BfMachineType_Wasm32)
	{
		if (IsComposite())
		{
			if (GetSplatCount(true) == 1)
			{
				BfType* componentType = NULL;
				BfTypeUtils::SplatIterate([&](BfType* checkType) { componentType = checkType; }, this);
				if (componentType != NULL)
				{
					if (componentType->IsPrimitiveType())
					{
						auto primType = (BfPrimitiveType*)componentType;
						if (outTypeCode != NULL)
							*outTypeCode = primType->mTypeDef->mTypeCode;
						return true;
					}
				}
			}
			else
				return false;
		}
	}

	if (mModule->mCompiler->mOptions.mPlatformType == BfPlatformType_Windows)
	{
		// Odd Windows rule: composite returns for non-static methods are always sret
		if (typeUsage == BfTypeUsage_Return_NonStatic)
			return false;
	}
	else
	{
		// Non-Win64 systems allow lowered splitting of composites over multiple params
		if (mModule->mSystem->mPtrSize == 8)
			deepCheck = true;
		else
		{
			// We know this is correct for Linux x86 and Android armv7
			if (mModule->mCompiler->mOptions.mPlatformType == BfPlatformType_Linux)
			{
				if ((typeUsage == BfTypeUsage_Return_NonStatic) || (typeUsage == BfTypeUsage_Return_Static))
					return false;
			}
		}
	}

	int maxInstSize = 16;
	if (mModule->mCompiler->mOptions.mMachineType == BfMachineType_AArch64)
		maxInstSize = 32;