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Arithmetic overflow checks

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This commit is contained in:
Brian Fiete 2022-01-11 08:17:09 -05:00
parent 1f0d2dcc82
commit eb375362a1
29 changed files with 503 additions and 87 deletions
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19
IDEHelper/Backend/BeIRCodeGen.cpp
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@ -590,6 +590,11 @@ void BeIRCodeGen::Read(bool& val)
BE_MEM_END("bool");
}
void BeIRCodeGen::Read(int8& val)
{
val = mStream->Read();
}
void BeIRCodeGen::Read(BeIRTypeEntry*& type)
{
BE_MEM_START;
@ -1432,21 +1437,24 @@ void BeIRCodeGen::HandleNextCmd()
{
CMD_PARAM(BeValue*, lhs);
CMD_PARAM(BeValue*, rhs);
SetResult(curId, mBeModule->CreateBinaryOp(BeBinaryOpKind_Add, lhs, rhs));
CMD_PARAM(int8, overflowCheckKind);
SetResult(curId, mBeModule->CreateBinaryOp(BeBinaryOpKind_Add, lhs, rhs, (BfOverflowCheckKind)overflowCheckKind));
}
break;
case BfIRCmd_Sub:
{
CMD_PARAM(BeValue*, lhs);
CMD_PARAM(BeValue*, rhs);
SetResult(curId, mBeModule->CreateBinaryOp(BeBinaryOpKind_Subtract, lhs, rhs));
CMD_PARAM(int8, overflowCheckKind);
SetResult(curId, mBeModule->CreateBinaryOp(BeBinaryOpKind_Subtract, lhs, rhs, (BfOverflowCheckKind)overflowCheckKind));
}
break;
case BfIRCmd_Mul:
{
CMD_PARAM(BeValue*, lhs);
CMD_PARAM(BeValue*, rhs);
SetResult(curId, mBeModule->CreateBinaryOp(BeBinaryOpKind_Multiply, lhs, rhs));
CMD_PARAM(int8, overflowCheckKind);
SetResult(curId, mBeModule->CreateBinaryOp(BeBinaryOpKind_Multiply, lhs, rhs, (BfOverflowCheckKind)overflowCheckKind));
}
break;
case BfIRCmd_SDiv:
@ -2100,6 +2108,11 @@ void BeIRCodeGen::HandleNextCmd()
mBeModule->RemoveBlock(mActiveFunction, fromBlock);
}
break;
case BfIRCmd_GetInsertBlock:
{
SetResult(curId, mBeModule->mActiveBlock);
}
break;
case BfIRCmd_SetInsertPoint:
{
CMD_PARAM(BeBlock*, block);