diff options
| -rw-r--r-- | include/llvm/IR/IRBuilder.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/llvm/IR/IRBuilder.h b/include/llvm/IR/IRBuilder.h index 0b01db2..abd6f90 100644 --- a/include/llvm/IR/IRBuilder.h +++ b/include/llvm/IR/IRBuilder.h @@ -1048,6 +1048,20 @@ public: return CreateTrunc(V, DestTy, Name); return V; } + /// CreateFPExtOrFPTrunc - Create a FPExt or FPTrunc from the float value V to + /// DestTy. Return the value untouched if the type of V is already DestTy. + Value *CreateFPExtOrFPTrunc(Value *V, Type *DestTy, + const Twine &Name = "") { + assert(V->getType()->isFPOrFPVectorTy() && + DestTy->isFPOrFPVectorTy() && + "Can only FPExt/FPTrunc floating point types!"); + Type *Ty = V->getType(); + if (Ty->getScalarSizeInBits() < DestTy->getScalarSizeInBits()) + return CreateFPExt(V, DestTy, Name); + if (Ty->getScalarSizeInBits() > DestTy->getScalarSizeInBits()) + return CreateFPTrunc(V, DestTy, Name); + return V; + } Value *CreateFPToUI(Value *V, Type *DestTy, const Twine &Name = ""){ return CreateCast(Instruction::FPToUI, V, DestTy, Name); } |