using ARMeilleure.IntermediateRepresentation;
using System.Collections.Generic;
using static ARMeilleure.IntermediateRepresentation.Operand.Factory;
namespace ARMeilleure.Translation
{
static class RegisterToLocal
public static void Rename(ControlFlowGraph cfg)
Dictionary<Register, Operand> registerToLocalMap = new Dictionary<Register, Operand>();
Operand GetLocal(Operand op)
Register register = op.GetRegister();
if (!registerToLocalMap.TryGetValue(register, out Operand local))
local = Local(op.Type);
registerToLocalMap.Add(register, local);
}
return local;
for (BasicBlock block = cfg.Blocks.First; block != null; block = block.ListNext)
for (Operation node = block.Operations.First; node != default; node = node.ListNext)
Operand dest = node.Destination;
if (dest != default && dest.Kind == OperandKind.Register)
node.Destination = GetLocal(dest);
for (int index = 0; index < node.SourcesCount; index++)
Operand source = node.GetSource(index);
if (source.Kind == OperandKind.Register)
node.SetSource(index, GetLocal(source));