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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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9
IDEHelper/Backend/BeMCContext.h
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@ -1293,6 +1293,13 @@ struct BeRMParamsInfo
}
};
enum BeMCOverflowCheckKind
{
BeMCOverflowCheckKind_None,
BeMCOverflowCheckKind_B,
BeMCOverflowCheckKind_O
};
// This class only processes one function per instantiation
class BeMCContext
{
@ -1367,7 +1374,7 @@ public:
BeMCInst* AllocInst(BeMCInstKind instKind, const BeMCOperand& arg0, const BeMCOperand& arg1, int insertIdx = -1);
void MergeInstFlags(BeMCInst* prevInst, BeMCInst* inst, BeMCInst* nextInst);
void RemoveInst(BeMCBlock* block, int instIdx, bool needChangesMerged = true, bool removeFromList = true);
BeMCOperand AllocBinaryOp(BeMCInstKind instKind, const BeMCOperand & lhs, const BeMCOperand & rhs, BeMCBinIdentityKind identityKind);
BeMCOperand AllocBinaryOp(BeMCInstKind instKind, const BeMCOperand & lhs, const BeMCOperand & rhs, BeMCBinIdentityKind identityKind, BeMCOverflowCheckKind overflowCheckKind = BeMCOverflowCheckKind_None);
BeMCOperand GetCallArgVReg(int argIdx, BeTypeCode typeCode);
BeMCOperand CreateCall(const BeMCOperand& func, const SizedArrayImpl<BeMCOperand>& args, BeType* retType = NULL, BfIRCallingConv callingConv = BfIRCallingConv_CDecl, bool structRet = false, bool noReturn = false, bool isVarArg = false);
BeMCOperand CreateCall(const BeMCOperand& func, const SizedArrayImpl<BeValue*>& args, BeType* retType = NULL, BfIRCallingConv callingConv = BfIRCallingConv_CDecl, bool structRet = false, bool noReturn = false, bool isVarArg = false);