m86k: adjust the usage of ArgInfo after change 9b057f647d70fc958d4a1a7a00e2deba65

[sylvestre.ledru]

Summary

Fails with:

/build/llvm-toolchain-snapshot-13~++20210709092633+88326bbce38c/llvm/lib/Target/M68k/GlSel/M68kCallLowering.cpp: In member function 'virtual bool llvm::M68kCallLowering::lowerReturn(llvm::MachineIRBuilder&, const llvm::Value*, llvm::ArrayRef<llvm::Register>, llvm::FunctionLoweringInfo&, llvm::Register) const':
/build/llvm-toolchain-snapshot-13~++20210709092633+88326bbce38c/llvm/lib/Target/M68k/GlSel/M68kCallLowering.cpp:71:42: error: no matching function for call to 'llvm::CallLowering::ArgInfo::ArgInfo(<brace-enclosed initializer list>)'
     ArgInfo OrigArg{VRegs, Val->getType()};

[sylvestre.ledru]

@arsenm it fixed my build issue

[sylvestre.ledru]

I pushed it without review as it break all the nightly builds on apt.llvm.org

llvm/lib/Target/M68k/GlSel/M68kCallLowering.cpp

bool M68kCallLowering::lowerReturn(MachineIRBuilder &MIRBuilder,
   const Function &F = MF.getFunction();
   MachineRegisterInfo &MRI = MF.getRegInfo();
   const M68kTargetLowering &TLI = *getTLI<M68kTargetLowering>();
   CCAssignFn *AssignFn =
       TLI.getCCAssignFn(F.getCallingConv(), true, F.isVarArg());
   auto &DL = F.getParent()->getDataLayout();
   if (!VRegs.empty()) {
     SmallVector<ArgInfo, 8> SplitArgs;
-    ArgInfo OrigArg{VRegs, Val->getType()};
+    ArgInfo OrigArg{VRegs, Val->getType(), 0};
     setArgFlags(OrigArg, AttributeList::ReturnIndex, DL, F);
     splitToValueTypes(OrigArg, SplitArgs, DL, F.getCallingConv());
     OutgoingValueAssigner ArgAssigner(AssignFn);
     OutgoingArgHandler ArgHandler(MIRBuilder, MRI, MIB);
     Success = determineAndHandleAssignments(ArgHandler, ArgAssigner, SplitArgs,
                                             MIRBuilder, F.getCallingConv(),
                                             F.isVarArg());
   }
   MIRBuilder.insertInstr(MIB);
   return Success;
 }
 
 bool M68kCallLowering::lowerFormalArguments(MachineIRBuilder &MIRBuilder,
                                             const Function &F,
                                             ArrayRef<ArrayRef<Register>> VRegs,
                                             FunctionLoweringInfo &FLI) const {
   MachineFunction &MF = MIRBuilder.getMF();
   MachineRegisterInfo &MRI = MF.getRegInfo();
   const auto &DL = F.getParent()->getDataLayout();
   auto &TLI = *getTLI<M68kTargetLowering>();
 
   SmallVector<ArgInfo, 8> SplitArgs;
   unsigned I = 0;
   for (const auto &Arg : F.args()) {
-    ArgInfo OrigArg{VRegs[I], Arg.getType()};
+    ArgInfo OrigArg{VRegs[I], Arg.getType(), I};
     setArgFlags(OrigArg, I + AttributeList::FirstArgIndex, DL, F);
     splitToValueTypes(OrigArg, SplitArgs, DL, F.getCallingConv());
     ++I;
   }
 
   CCAssignFn *AssignFn =
       TLI.getCCAssignFn(F.getCallingConv(), false, F.isVarArg());
   IncomingValueAssigner ArgAssigner(AssignFn);