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clang/lib/Sema/SemaCast.cpp
| Show First 20 Lines • Show All 2,348 Lines • ▼ Show 20 Lines | static TryCastResult TryReinterpretCast(Sema &Self, ExprResult &SrcExpr, | ||||
| bool srcIsVector = SrcType->isVectorType(); | bool srcIsVector = SrcType->isVectorType(); | ||||
| if (srcIsVector || destIsVector) { | if (srcIsVector || destIsVector) { | ||||
| // Allow bitcasting between SVE VLATs and VLSTs, and vice-versa. | // Allow bitcasting between SVE VLATs and VLSTs, and vice-versa. | ||||
| if (Self.isValidSveBitcast(SrcType, DestType)) { | if (Self.isValidSveBitcast(SrcType, DestType)) { | ||||
| Kind = CK_BitCast; | Kind = CK_BitCast; | ||||
| return TC_Success; | return TC_Success; | ||||
| } | } | ||||
| // Allow bitcasting between SVE VLATs and VLSTs, and vice-versa. | |||||
| if (Self.isValidRVVBitcast(SrcType, DestType)) { | |||||
| Kind = CK_BitCast; | |||||
| return TC_Success; | |||||
| } | |||||
| // The non-vector type, if any, must have integral type. This is | // The non-vector type, if any, must have integral type. This is | ||||
| // the same rule that C vector casts use; note, however, that enum | // the same rule that C vector casts use; note, however, that enum | ||||
| // types are not integral in C++. | // types are not integral in C++. | ||||
| if ((!destIsVector && !DestType->isIntegralType(Self.Context)) || | if ((!destIsVector && !DestType->isIntegralType(Self.Context)) || | ||||
| (!srcIsVector && !SrcType->isIntegralType(Self.Context))) | (!srcIsVector && !SrcType->isIntegralType(Self.Context))) | ||||
| return TC_NotApplicable; | return TC_NotApplicable; | ||||
| // The size we want to consider is eltCount * eltSize. | // The size we want to consider is eltCount * eltSize. | ||||
| ▲ Show 20 Lines • Show All 571 Lines • ▼ Show 20 Lines | void CastOperation::CheckCStyleCast() { | ||||
| // Allow bitcasting between compatible SVE vector types. | // Allow bitcasting between compatible SVE vector types. | ||||
| if ((SrcType->isVectorType() || DestType->isVectorType()) && | if ((SrcType->isVectorType() || DestType->isVectorType()) && | ||||
| Self.isValidSveBitcast(SrcType, DestType)) { | Self.isValidSveBitcast(SrcType, DestType)) { | ||||
| Kind = CK_BitCast; | Kind = CK_BitCast; | ||||
| return; | return; | ||||
| } | } | ||||
| // Allow bitcasting between compatible RVV vector types. | |||||
| if ((SrcType->isVectorType() || DestType->isVectorType()) && | |||||
| Self.isValidRVVBitcast(SrcType, DestType)) { | |||||
| Kind = CK_BitCast; | |||||
| return; | |||||
| } | |||||
| if (!DestType->isScalarType() && !DestType->isVectorType() && | if (!DestType->isScalarType() && !DestType->isVectorType() && | ||||
| !DestType->isMatrixType()) { | !DestType->isMatrixType()) { | ||||
| const RecordType *DestRecordTy = DestType->getAs<RecordType>(); | const RecordType *DestRecordTy = DestType->getAs<RecordType>(); | ||||
| if (DestRecordTy && Self.Context.hasSameUnqualifiedType(DestType, SrcType)){ | if (DestRecordTy && Self.Context.hasSameUnqualifiedType(DestType, SrcType)){ | ||||
| // GCC struct/union extension: allow cast to self. | // GCC struct/union extension: allow cast to self. | ||||
| Self.Diag(OpRange.getBegin(), diag::ext_typecheck_cast_nonscalar) | Self.Diag(OpRange.getBegin(), diag::ext_typecheck_cast_nonscalar) | ||||
| << DestType << SrcExpr.get()->getSourceRange(); | << DestType << SrcExpr.get()->getSourceRange(); | ||||
| ▲ Show 20 Lines • Show All 387 Lines • Show Last 20 Lines | |||||