70 static Constant *FoldBitCast(Constant *V, Type *DestTy) {  in FoldBitCast()  argument
72   if (SrcTy == DestTy)  in FoldBitCast()
77   if (VectorType *DestPTy = dyn_cast<VectorType>(DestTy)) {  in FoldBitCast()
79       return Constant::getAllOnesValue(DestTy);  in FoldBitCast()
92     if (DestTy->isFloatingPointTy() && !DestTy->isPPC_FP128Ty())  in FoldBitCast()
93       return ConstantFP::get(DestTy->getContext(),  in FoldBitCast()
94                              APFloat(DestTy->getFltSemantics(),  in FoldBitCast()
113     if (!DestTy->isIntegerTy())  in FoldBitCast()
124                                           Type *DestTy) {  in foldMaybeUndesirableCast()  argument
126              ? ConstantExpr::getCast(opc, V, DestTy)  in foldMaybeUndesirableCast()
127              : ConstantFoldCastInstruction(opc, V, DestTy);  in foldMaybeUndesirableCast()
131                                             Type *DestTy) {  in ConstantFoldCastInstruction()  argument
133     return PoisonValue::get(DestTy);  in ConstantFoldCastInstruction()
141       return Constant::getNullValue(DestTy);  in ConstantFoldCastInstruction()
142     return UndefValue::get(DestTy);  in ConstantFoldCastInstruction()
145   if (V->isNullValue() && !DestTy->isX86_MMXTy() && !DestTy->isX86_AMXTy() &&  in ConstantFoldCastInstruction()
147     return Constant::getNullValue(DestTy);  in ConstantFoldCastInstruction()
154       if (unsigned newOpc = foldConstantCastPair(opc, CE, DestTy))  in ConstantFoldCastInstruction()
155         return foldMaybeUndesirableCast(newOpc, CE->getOperand(0), DestTy);  in ConstantFoldCastInstruction()
163       DestTy->isVectorTy() &&  in ConstantFoldCastInstruction()
164       cast<FixedVectorType>(DestTy)->getNumElements() ==  in ConstantFoldCastInstruction()
166     VectorType *DestVecTy = cast<VectorType>(DestTy);  in ConstantFoldCastInstruction()
174           cast<VectorType>(DestTy)->getElementCount(), Res);  in ConstantFoldCastInstruction()
200       Val.convert(DestTy->getFltSemantics(), APFloat::rmNearestTiesToEven,  in ConstantFoldCastInstruction()
210       uint32_t DestBitWidth = cast<IntegerType>(DestTy)->getBitWidth();  in ConstantFoldCastInstruction()
216         return PoisonValue::get(DestTy);  in ConstantFoldCastInstruction()
225       APFloat apf(DestTy->getFltSemantics(),  in ConstantFoldCastInstruction()
226                   APInt::getZero(DestTy->getPrimitiveSizeInBits()));  in ConstantFoldCastInstruction()
234       uint32_t BitWidth = cast<IntegerType>(DestTy)->getBitWidth();  in ConstantFoldCastInstruction()
241       uint32_t BitWidth = cast<IntegerType>(DestTy)->getBitWidth();  in ConstantFoldCastInstruction()
250     uint32_t DestBitWidth = cast<IntegerType>(DestTy)->getBitWidth();  in ConstantFoldCastInstruction()
259     return FoldBitCast(V, DestTy);  in ConstantFoldCastInstruction()