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Fixed ??=

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This commit is contained in:
Brian Fiete 2021-02-26 14:47:11 -08:00
parent 26bd41d8ca
commit 97283b3113
2 changed files with 27 additions and 10 deletions
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35
IDEHelper/Compiler/BfExprEvaluator.cpp
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@ -18064,8 +18064,10 @@ void BfExprEvaluator::PerformAssignment(BfAssignmentExpression* assignExpr, bool
leftValue = mModule->LoadValue(leftValue);
if ((binaryOp == BfBinaryOp_NullCoalesce) && (PerformBinaryOperation_NullCoalesce(assignExpr->mOpToken, assignExpr->mLeft, assignExpr->mRight, leftValue, leftValue.mType)))
if ((binaryOp == BfBinaryOp_NullCoalesce) && (PerformBinaryOperation_NullCoalesce(assignExpr->mOpToken, assignExpr->mLeft, assignExpr->mRight, leftValue, leftValue.mType, &ptr)))
{
return;
}
PerformBinaryOperation(assignExpr->mLeft, assignExpr->mRight, binaryOp, assignExpr->mOpToken, flags, leftValue, rightValue);
}
@ -20486,7 +20488,7 @@ void BfExprEvaluator::PerformBinaryOperation(BfExpression* leftExpression, BfExp
wantType = NULL; // Don't presume
wantType = mModule->FixIntUnknown(wantType);
if ((binaryOp == BfBinaryOp_NullCoalesce) && (PerformBinaryOperation_NullCoalesce(opToken, leftExpression, rightExpression, leftValue, wantType)))
if ((binaryOp == BfBinaryOp_NullCoalesce) && (PerformBinaryOperation_NullCoalesce(opToken, leftExpression, rightExpression, leftValue, wantType, NULL)))
return;
rightValue = mModule->CreateValueFromExpression(rightExpression, wantType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast));
@ -20496,7 +20498,7 @@ void BfExprEvaluator::PerformBinaryOperation(BfExpression* leftExpression, BfExp
PerformBinaryOperation(leftExpression, rightExpression, binaryOp, opToken, flags, leftValue, rightValue);
}
bool BfExprEvaluator::PerformBinaryOperation_NullCoalesce(BfTokenNode* opToken, BfExpression* leftExpression, BfExpression* rightExpression, BfTypedValue leftValue, BfType* wantType)
bool BfExprEvaluator::PerformBinaryOperation_NullCoalesce(BfTokenNode* opToken, BfExpression* leftExpression, BfExpression* rightExpression, BfTypedValue leftValue, BfType* wantType, BfTypedValue* assignTo)
{
if ((leftValue) && ((leftValue.mType->IsPointer()) || (leftValue.mType->IsFunction()) || (leftValue.mType->IsObject())))
{
@ -20514,13 +20516,17 @@ bool BfExprEvaluator::PerformBinaryOperation_NullCoalesce(BfTokenNode* opToken,
mModule->mBfIRBuilder->CreateCondBr(isNull, rhsBB, endBB);
mModule->AddBasicBlock(rhsBB);
auto rightValue = mModule->CreateValueFromExpression(rightExpression, wantType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast));
BfTypedValue rightValue;
if (assignTo != NULL)
rightValue = mModule->CreateValueFromExpression(rightExpression, wantType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags)));
else
rightValue = mModule->CreateValueFromExpression(rightExpression, wantType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast));
if (!rightValue)
{
mModule->AssertErrorState();
return true;
}
else
else if (assignTo == NULL)
{
auto rightToLeftValue = mModule->CastToValue(rightExpression, rightValue, leftValue.mType, BfCastFlags_SilentFail);
if (rightToLeftValue)
@ -20544,14 +20550,25 @@ bool BfExprEvaluator::PerformBinaryOperation_NullCoalesce(BfTokenNode* opToken,
}
}
if (assignTo != NULL)
mModule->mBfIRBuilder->CreateStore(rightValue.mValue, assignTo->mValue);
mModule->mBfIRBuilder->CreateBr(endBB);
auto endRhsBB = mModule->mBfIRBuilder->GetInsertBlock();
mModule->AddBasicBlock(endBB);
auto phi = mModule->mBfIRBuilder->CreatePhi(mModule->mBfIRBuilder->MapType(leftValue.mType), 2);
mModule->mBfIRBuilder->AddPhiIncoming(phi, leftValue.mValue, prevBB);
mModule->mBfIRBuilder->AddPhiIncoming(phi, rightValue.mValue, endRhsBB);
mResult = BfTypedValue(phi, leftValue.mType);
if (assignTo != NULL)
{
mResult = *assignTo;
}
else
{
auto phi = mModule->mBfIRBuilder->CreatePhi(mModule->mBfIRBuilder->MapType(leftValue.mType), 2);
mModule->mBfIRBuilder->AddPhiIncoming(phi, leftValue.mValue, prevBB);
mModule->mBfIRBuilder->AddPhiIncoming(phi, rightValue.mValue, endRhsBB);
mResult = BfTypedValue(phi, leftValue.mType);
}
return true;
}