- // Set up the argument vectors.
- SmallVector<Value *, 8> Args;
- SmallVector<unsigned, 8> ArgRegs;
- SmallVector<MVT, 8> ArgVTs;
- SmallVector<ISD::ArgFlagsTy, 8> ArgFlags;
- Args.reserve(CS.arg_size());
- ArgRegs.reserve(CS.arg_size());
- ArgVTs.reserve(CS.arg_size());
- ArgFlags.reserve(CS.arg_size());
-
- for (ImmutableCallSite::arg_iterator i = CS.arg_begin(), e = CS.arg_end();
- i != e; ++i) {
- // If we're lowering a memory intrinsic instead of a regular call, skip the
- // last two arguments, which shouldn't be passed to the underlying function.
- if (IntrMemName && e - i <= 2)
- break;
-
- unsigned Arg = getRegForValue(*i);
- if (Arg == 0)
+ for (auto Flag : CLI.OutFlags)
+ if (Flag.isInReg() || Flag.isSRet() || Flag.isNest() || Flag.isByVal())