// There's a potential optimization opportunity in combining
// memsets; that would be easy for arrays, but relatively
// difficult for structures with the current code.
- llvm::Value *MemSet = CGF.CGM.getIntrinsic(llvm::Intrinsic::memset_i64);
+ const llvm::Type *SizeTy = llvm::Type::Int64Ty;
+ llvm::Value *MemSet = CGF.CGM.getIntrinsic(llvm::Intrinsic::memset,
+ &SizeTy, 1);
uint64_t Size = CGF.getContext().getTypeSize(T);
const llvm::Type *BP = llvm::PointerType::getUnqual(llvm::Type::Int8Ty);
llvm::Value* DestPtr = Builder.CreateBitCast(LV.getAddress(), BP, "tmp");
Builder.CreateCall4(MemSet, DestPtr,
llvm::ConstantInt::get(llvm::Type::Int8Ty, 0),
- llvm::ConstantInt::get(llvm::Type::Int64Ty, Size/8),
+ llvm::ConstantInt::get(SizeTy, Size/8),
llvm::ConstantInt::get(llvm::Type::Int32Ty, 0));
}
}
llvm::Function *CodeGenModule::getMemCpyFn() {
if (MemCpyFn) return MemCpyFn;
- llvm::Intrinsic::ID IID;
- switch (Context.Target.getPointerWidth(0)) {
- default: assert(0 && "Unknown ptr width");
- case 16: IID = llvm::Intrinsic::memcpy_i16; break;
- case 32: IID = llvm::Intrinsic::memcpy_i32; break;
- case 64: IID = llvm::Intrinsic::memcpy_i64; break;
- }
- return MemCpyFn = getIntrinsic(IID);
+ const llvm::Type *IntPtr = TheTargetData.getIntPtrType();
+ return MemCpyFn = getIntrinsic(llvm::Intrinsic::memcpy, &IntPtr, 1);
}
llvm::Function *CodeGenModule::getMemMoveFn() {
if (MemMoveFn) return MemMoveFn;
- llvm::Intrinsic::ID IID;
- switch (Context.Target.getPointerWidth(0)) {
- default: assert(0 && "Unknown ptr width");
- case 16: IID = llvm::Intrinsic::memmove_i16; break;
- case 32: IID = llvm::Intrinsic::memmove_i32; break;
- case 64: IID = llvm::Intrinsic::memmove_i64; break;
- }
- return MemMoveFn = getIntrinsic(IID);
+ const llvm::Type *IntPtr = TheTargetData.getIntPtrType();
+ return MemMoveFn = getIntrinsic(llvm::Intrinsic::memmove, &IntPtr, 1);
}
llvm::Function *CodeGenModule::getMemSetFn() {
if (MemSetFn) return MemSetFn;
- llvm::Intrinsic::ID IID;
- switch (Context.Target.getPointerWidth(0)) {
- default: assert(0 && "Unknown ptr width");
- case 16: IID = llvm::Intrinsic::memset_i16; break;
- case 32: IID = llvm::Intrinsic::memset_i32; break;
- case 64: IID = llvm::Intrinsic::memset_i64; break;
- }
- return MemSetFn = getIntrinsic(IID);
+ const llvm::Type *IntPtr = TheTargetData.getIntPtrType();
+ return MemSetFn = getIntrinsic(llvm::Intrinsic::memset, &IntPtr, 1);
}
static void appendFieldAndPadding(CodeGenModule &CGM,