public BuildBlocks(List <TExp> instList)
{
Dictionary <Temp.Label, BasicBlock> LabelToBlock = new Dictionary <Temp.Label, BasicBlock>();
foreach (TExp e in instList)
{
if (e is Label)
{
BasicBlock b = new BasicBlock();
Blocks.Add(b);
LabelToBlock[(e as Label).Lab] = b;
}
Blocks[Blocks.Count - 1].List.Add(e);
}
for (int i = 0; i < Blocks.Count; ++i)
{
BasicBlock b = Blocks[i];
if (b.List[b.List.Count - 1] is Jump)
{
b.AddEdge(LabelToBlock[(b.List[b.List.Count - 1] as Jump).Label.Lab]);
}
else
{
if (i + 1 < Blocks.Count)
{
b.AddEdge(Blocks[i + 1]);
}
if (b.List[b.List.Count - 1] is CJump)
{
b.AddEdge(LabelToBlock[(b.List[b.List.Count - 1] as CJump).Label.Lab]);
}
else if (b.List[b.List.Count - 1] is CJumpInt)
{
b.AddEdge(LabelToBlock[(b.List[b.List.Count - 1] as CJumpInt).Label.Lab]);
}
}
}
}
