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()
184                                           Type *DestTy) {  in foldMaybeUndesirableCast()  argument
186              ? ConstantExpr::getCast(opc, V, DestTy)  in foldMaybeUndesirableCast()
187              : ConstantFoldCastInstruction(opc, V, DestTy);  in foldMaybeUndesirableCast()
191                                             Type *DestTy) {  in ConstantFoldCastInstruction()  argument
193     return PoisonValue::get(DestTy);  in ConstantFoldCastInstruction()
201       return Constant::getNullValue(DestTy);  in ConstantFoldCastInstruction()
202     return UndefValue::get(DestTy);  in ConstantFoldCastInstruction()
205   if (V->isNullValue() && !DestTy->isX86_MMXTy() && !DestTy->isX86_AMXTy() &&  in ConstantFoldCastInstruction()
207     return Constant::getNullValue(DestTy);  in ConstantFoldCastInstruction()
214       if (unsigned newOpc = foldConstantCastPair(opc, CE, DestTy))  in ConstantFoldCastInstruction()
215         return foldMaybeUndesirableCast(newOpc, CE->getOperand(0), DestTy);  in ConstantFoldCastInstruction()
223       DestTy->isVectorTy() &&  in ConstantFoldCastInstruction()
224       cast<FixedVectorType>(DestTy)->getNumElements() ==  in ConstantFoldCastInstruction()
226     VectorType *DestVecTy = cast<VectorType>(DestTy);  in ConstantFoldCastInstruction()
234           cast<VectorType>(DestTy)->getElementCount(), Res);  in ConstantFoldCastInstruction()
260       Val.convert(DestTy->getFltSemantics(), APFloat::rmNearestTiesToEven,  in ConstantFoldCastInstruction()
270       uint32_t DestBitWidth = cast<IntegerType>(DestTy)->getBitWidth();  in ConstantFoldCastInstruction()
276         return PoisonValue::get(DestTy);  in ConstantFoldCastInstruction()
285       APFloat apf(DestTy->getFltSemantics(),  in ConstantFoldCastInstruction()
286                   APInt::getZero(DestTy->getPrimitiveSizeInBits()));  in ConstantFoldCastInstruction()
294       uint32_t BitWidth = cast<IntegerType>(DestTy)->getBitWidth();  in ConstantFoldCastInstruction()
301       uint32_t BitWidth = cast<IntegerType>(DestTy)->getBitWidth();  in ConstantFoldCastInstruction()
310     uint32_t DestBitWidth = cast<IntegerType>(DestTy)->getBitWidth();  in ConstantFoldCastInstruction()
327     return FoldBitCast(V, DestTy);  in ConstantFoldCastInstruction()