71 static Constant *foldConstVectorToAPInt(APInt &Result, Type *DestTy,  in foldConstVectorToAPInt()  argument
92       return ConstantExpr::getBitCast(C, DestTy);  in foldConstVectorToAPInt()
104 Constant *FoldBitCast(Constant *C, Type *DestTy, const DataLayout &DL) {  in FoldBitCast()  argument
105   assert(CastInst::castIsValid(Instruction::BitCast, C, DestTy) &&  in FoldBitCast()
109   if (Constant *Res = ConstantFoldLoadFromUniformValue(C, DestTy, DL))  in FoldBitCast()
114     if (isa<IntegerType>(DestTy) || DestTy->isFloatingPointTy()) {  in FoldBitCast()
128       APInt Result(DL.getTypeSizeInBits(DestTy), 0);  in FoldBitCast()
129       if (Constant *CE = foldConstVectorToAPInt(Result, DestTy, C,  in FoldBitCast()
133       if (isa<IntegerType>(DestTy))  in FoldBitCast()
134         return ConstantInt::get(DestTy, Result);  in FoldBitCast()
136       APFloat FP(DestTy->getFltSemantics(), Result);  in FoldBitCast()
137       return ConstantFP::get(DestTy->getContext(), FP);  in FoldBitCast()
142   auto *DestVTy = dyn_cast<VectorType>(DestTy);  in FoldBitCast()
144     return ConstantExpr::getBitCast(C, DestTy);  in FoldBitCast()
150     return FoldBitCast(ConstantVector::get(Ops), DestTy, DL);  in FoldBitCast()
155     return ConstantExpr::getBitCast(C, DestTy);  in FoldBitCast()
161     return ConstantExpr::getBitCast(C, DestTy);  in FoldBitCast()
185     return ConstantExpr::getBitCast(C, DestTy);  in FoldBitCast()
227           return ConstantExpr::getBitCast(C, DestTy);  in FoldBitCast()
260       return ConstantExpr::getBitCast(C, DestTy);  in FoldBitCast()
270       return ConstantExpr::getBitCast(C, DestTy);  in FoldBitCast()
344 Constant *llvm::ConstantFoldLoadThroughBitcast(Constant *C, Type *DestTy,  in ConstantFoldLoadThroughBitcast()  argument
348     if (SrcTy == DestTy)  in ConstantFoldLoadThroughBitcast()
351     TypeSize DestSize = DL.getTypeSizeInBits(DestTy);  in ConstantFoldLoadThroughBitcast()
358     if (Constant *Res = ConstantFoldLoadFromUniformValue(C, DestTy, DL))  in ConstantFoldLoadThroughBitcast()
366             DL.isNonIntegralPointerType(DestTy->getScalarType())) {  in ConstantFoldLoadThroughBitcast()
370       if (SrcTy->isIntegerTy() && DestTy->isPointerTy())  in ConstantFoldLoadThroughBitcast()
372       else if (SrcTy->isPointerTy() && DestTy->isIntegerTy())  in ConstantFoldLoadThroughBitcast()
375       if (CastInst::castIsValid(Cast, C, DestTy))  in ConstantFoldLoadThroughBitcast()
376         return ConstantFoldCastOperand(Cast, C, DestTy, DL);  in ConstantFoldLoadThroughBitcast()
980   Type *DestTy = InstOrCE->getType();  in ConstantFoldInstOperandsImpl()  local
1006     return ConstantFoldCastOperand(Opcode, Ops[0], DestTy, DL);  in ConstantFoldInstOperandsImpl()
1387                                         Type *DestTy, const DataLayout &DL) {  in ConstantFoldCastOperand()  argument
1429         return ConstantFoldIntegerCast(FoldedValue, DestTy, /*IsSigned=*/false,  in ConstantFoldCastOperand()
1447           if (SrcAS == DestTy->getPointerAddressSpace())  in ConstantFoldCastOperand()
1448             return FoldBitCast(CE->getOperand(0), DestTy, DL);  in ConstantFoldCastOperand()
1465     return FoldBitCast(C, DestTy, DL);  in ConstantFoldCastOperand()
1469     return ConstantExpr::getCast(Opcode, C, DestTy);  in ConstantFoldCastOperand()
1470   return ConstantFoldCastInstruction(Opcode, C, DestTy);  in ConstantFoldCastOperand()
1473 Constant *llvm::ConstantFoldIntegerCast(Constant *C, Type *DestTy,  in ConstantFoldIntegerCast()  argument
1476   if (SrcTy == DestTy)  in ConstantFoldIntegerCast()
1478   if (SrcTy->getScalarSizeInBits() > DestTy->getScalarSizeInBits())  in ConstantFoldIntegerCast()
1479     return ConstantFoldCastOperand(Instruction::Trunc, C, DestTy, DL);  in ConstantFoldIntegerCast()
1481     return ConstantFoldCastOperand(Instruction::SExt, C, DestTy, DL);  in ConstantFoldIntegerCast()
1482   return ConstantFoldCastOperand(Instruction::ZExt, C, DestTy, DL);  in ConstantFoldIntegerCast()