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Made a different restricted temp address for return values

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This commit is contained in:
Brian Fiete 2020-07-01 06:14:43 -07:00
parent 963f4fedfc
commit a2a1b486a2
3 changed files with 8 additions and 6 deletions
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4
IDEHelper/Compiler/BfAst.h
View file

@ -536,6 +536,7 @@ enum BfTypedValueKind
BfTypedValueKind_Addr,
BfTypedValueKind_ReadOnlyAddr,
BfTypedValueKind_TempAddr,
BfTypedValueKind_RestrictedTempAddr,
BfTypedValueKind_ReadOnlyTempAddr,
BfTypedValueKind_ThisAddr,
BfTypedValueKind_BaseAddr,
@ -647,7 +648,7 @@ public:
bool IsTempAddr() const
{
return ((mKind == BfTypedValueKind_ReadOnlyTempAddr) || (mKind == BfTypedValueKind_TempAddr));
return ((mKind == BfTypedValueKind_ReadOnlyTempAddr) || (mKind == BfTypedValueKind_RestrictedTempAddr) || (mKind == BfTypedValueKind_TempAddr));
}
bool IsReadOnly() const
@ -727,6 +728,7 @@ public:
mKind = BfTypedValueKind_ReadOnlyAddr;
break;
case BfTypedValueKind_TempAddr:
case BfTypedValueKind_RestrictedTempAddr:
mKind = BfTypedValueKind_ReadOnlyTempAddr;
break;
default:

8
IDEHelper/Compiler/BfExprEvaluator.cpp
View file

@ -4516,7 +4516,7 @@ BfTypedValue BfExprEvaluator::CreateCall(BfMethodInstance* methodInstance, BfIRV
{
auto val = mModule->GetDefaultTypedValue(returnType, true, (methodInstance->GetStructRetIdx() != -1) ? BfDefaultValueKind_Addr : BfDefaultValueKind_Value);
if (val.mKind == BfTypedValueKind_Addr)
val.mKind = BfTypedValueKind_TempAddr;
val.mKind = BfTypedValueKind_RestrictedTempAddr;
return val;
}
};
@ -4543,7 +4543,7 @@ BfTypedValue BfExprEvaluator::CreateCall(BfMethodInstance* methodInstance, BfIRV
if (sret == NULL)
{
sretVal = BfTypedValue(mModule->CreateAlloca(returnType), returnType, BfTypedValueKind_TempAddr);
sretVal = BfTypedValue(mModule->CreateAlloca(returnType), returnType, BfTypedValueKind_RestrictedTempAddr);
sret = &sretVal;
}
}
@ -5008,7 +5008,7 @@ BfTypedValue BfExprEvaluator::CreateCall(BfMethodInstance* methodInstance, BfIRV
loweredIRType = mModule->mBfIRBuilder->GetPointerTo(loweredIRType);
auto castedRetVal = mModule->mBfIRBuilder->CreateBitCast(retVal, loweredIRType);
mModule->mBfIRBuilder->CreateStore(callInst, castedRetVal);
result = BfTypedValue(retVal, methodInstance->mReturnType, BfTypedValueKind_TempAddr);
result = BfTypedValue(retVal, methodInstance->mReturnType, BfTypedValueKind_RestrictedTempAddr);
}
else
result = BfTypedValue(callInst, methodInstance->mReturnType);
@ -8440,7 +8440,7 @@ void BfExprEvaluator::Visit(BfInitializerExpression* initExpr)
StringT<128> findName;
identifierNode->ToString(findName);
fieldResult = LookupField(identifierNode, initValue, findName, BfLookupFieldFlag_IsImplicitThis);
if (fieldResult.mKind == BfTypedValueKind_TempAddr)
if ((fieldResult.mKind == BfTypedValueKind_TempAddr) || (fieldResult.mKind == BfTypedValueKind_RestrictedTempAddr))
fieldResult.mKind = BfTypedValueKind_Addr;
wasValidInitKind = true;

2
IDEHelper/Compiler/BfModule.cpp
View file

@ -11102,7 +11102,7 @@ bool BfModule::CheckModifyValue(BfTypedValue& typedValue, BfAstNode* refNode, co
return false;
}
if (typedValue.mKind == BfTypedValueKind_TempAddr)
if (typedValue.mKind == BfTypedValueKind_RestrictedTempAddr)
{
Fail(StrFormat("Cannot %s temporary value", modifyType), refNode);
return false;