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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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17
IDEHelper/Compiler/BfIRBuilder.h
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@ -174,7 +174,7 @@ enum BfIRCmd : uint8
BfIRCmd_SetName,
BfIRCmd_CreateUndefValue,
BfIRCmd_NumericCast,
BfIRCmd_NumericCast,
BfIRCmd_CmpEQ,
BfIRCmd_CmpNE,
BfIRCmd_CmpSLT,
@ -247,6 +247,7 @@ enum BfIRCmd : uint8
BfIRCmd_AddBlock,
BfIRCmd_DropBlocks,
BfIRCmd_MergeBlockDown,
BfIRCmd_GetInsertBlock,
BfIRCmd_SetInsertPoint,
BfIRCmd_SetInsertPointAtStart,
BfIRCmd_EraseFromParent,
@ -964,6 +965,14 @@ struct BfIRState
Array<BfFilePosition> mSavedDebugLocs;
};
enum BfOverflowCheckKind : int8
{
BfOverflowCheckKind_None = 0,
BfOverflowCheckKind_Signed = 1,
BfOverflowCheckKind_Unsigned = 2,
BfOverflowCheckKind_Flag_UseAsm = 4
};
class BfIRBuilder : public BfIRConstHolder
{
public:
@ -1182,9 +1191,9 @@ public:
BfIRValue CreateCmpLTE(BfIRValue lhs, BfIRValue rhs, bool isSigned);
BfIRValue CreateCmpGT(BfIRValue lhs, BfIRValue rhs, bool isSigned);
BfIRValue CreateCmpGTE(BfIRValue lhs, BfIRValue rhs, bool isSigned);
BfIRValue CreateAdd(BfIRValue lhs, BfIRValue rhs);
BfIRValue CreateSub(BfIRValue lhs, BfIRValue rhs);
BfIRValue CreateMul(BfIRValue lhs, BfIRValue rhs);
BfIRValue CreateAdd(BfIRValue lhs, BfIRValue rhs, BfOverflowCheckKind overflowCheckKind = BfOverflowCheckKind_None);
BfIRValue CreateSub(BfIRValue lhs, BfIRValue rhs, BfOverflowCheckKind overflowCheckKind = BfOverflowCheckKind_None);
BfIRValue CreateMul(BfIRValue lhs, BfIRValue rhs, BfOverflowCheckKind overflowCheckKind = BfOverflowCheckKind_None);
BfIRValue CreateDiv(BfIRValue lhs, BfIRValue rhs, bool isSigned);
BfIRValue CreateRem(BfIRValue lhs, BfIRValue rhs, bool isSigned);
BfIRValue CreateAnd(BfIRValue lhs, BfIRValue rhs);