109 static Constant *FoldBitCast(Constant *V, Type *DestTy) {  in FoldBitCast()  argument
111   if (SrcTy == DestTy)  in FoldBitCast()
117     if (PointerType *DPTy = dyn_cast<PointerType>(DestTy))  in FoldBitCast()
139   if (VectorType *DestPTy = dyn_cast<VectorType>(DestTy)) {  in FoldBitCast()
147         return Constant::getNullValue(DestTy);  in FoldBitCast()
163     return ConstantPointerNull::get(cast<PointerType>(DestTy));  in FoldBitCast()
167     if (DestTy->isIntegerTy())  in FoldBitCast()
173     if (DestTy->isFloatingPointTy() && !DestTy->isPPC_FP128Ty())  in FoldBitCast()
174       return ConstantFP::get(DestTy->getContext(),  in FoldBitCast()
175                              APFloat(DestTy->getFltSemantics(),  in FoldBitCast()
194     if (!DestTy->isIntegerTy())  in FoldBitCast()
351                                             Type *DestTy) {  in ConstantFoldCastInstruction()  argument
353     return PoisonValue::get(DestTy);  in ConstantFoldCastInstruction()
361       return Constant::getNullValue(DestTy);  in ConstantFoldCastInstruction()
362     return UndefValue::get(DestTy);  in ConstantFoldCastInstruction()
365   if (V->isNullValue() && !DestTy->isX86_MMXTy() && !DestTy->isX86_AMXTy() &&  in ConstantFoldCastInstruction()
367     return Constant::getNullValue(DestTy);  in ConstantFoldCastInstruction()
374       if (unsigned newOpc = foldConstantCastPair(opc, CE, DestTy))  in ConstantFoldCastInstruction()
375         return ConstantExpr::getCast(newOpc, CE->getOperand(0), DestTy);  in ConstantFoldCastInstruction()
397         return ConstantExpr::getPointerCast(CE->getOperand(0), DestTy);  in ConstantFoldCastInstruction()
405       DestTy->isVectorTy() &&  in ConstantFoldCastInstruction()
406       cast<FixedVectorType>(DestTy)->getNumElements() ==  in ConstantFoldCastInstruction()
408     VectorType *DestVecTy = cast<VectorType>(DestTy);  in ConstantFoldCastInstruction()
413           cast<VectorType>(DestTy)->getElementCount(),  in ConstantFoldCastInstruction()
438       Val.convert(DestTy->getFltSemantics(), APFloat::rmNearestTiesToEven,  in ConstantFoldCastInstruction()
448       uint32_t DestBitWidth = cast<IntegerType>(DestTy)->getBitWidth();  in ConstantFoldCastInstruction()
454         return PoisonValue::get(DestTy);  in ConstantFoldCastInstruction()
461       return ConstantPointerNull::get(cast<PointerType>(DestTy));  in ConstantFoldCastInstruction()
466       return ConstantInt::get(DestTy, 0);  in ConstantFoldCastInstruction()
473       APFloat apf(DestTy->getFltSemantics(),  in ConstantFoldCastInstruction()
474                   APInt::getZero(DestTy->getPrimitiveSizeInBits()));  in ConstantFoldCastInstruction()
482       uint32_t BitWidth = cast<IntegerType>(DestTy)->getBitWidth();  in ConstantFoldCastInstruction()
489       uint32_t BitWidth = cast<IntegerType>(DestTy)->getBitWidth();  in ConstantFoldCastInstruction()
498     uint32_t DestBitWidth = cast<IntegerType>(DestTy)->getBitWidth();  in ConstantFoldCastInstruction()
515     return FoldBitCast(V, DestTy);  in ConstantFoldCastInstruction()