/// <summary>
/// Collect the usage range of each temp register used in the given method body.
/// </summary>
private static Dictionary <Register, RegisterRange> CollectTempRegisterUsageRanges(IEnumerable <BasicBlock> blocks)
{
var ranges = new Dictionary <Register, RegisterRange>();
foreach (var block in blocks)
{
foreach (var inst in block.Instructions)
{
foreach (var reg in inst.Registers)
{
if (reg.Category == RCategory.Temp)
{
RegisterRange range;
if (ranges.TryGetValue(reg, out range))
{
// Extend range
range.Range = new InstructionRange(range.Range.First, inst);
range.InstructionCount++;
}
else
{
// Create range
range = new RegisterRange(reg, new InstructionRange(inst, inst))
{
InstructionCount = 1
};
ranges.Add(reg, range);
}
range.AddBlock(block);
}
}
}
}
return(ranges);
}
/// <summary>
/// Collect the usage range of each temp register used in the given method body.
/// </summary>
private static Dictionary<Register, RegisterRange> CollectTempRegisterUsageRanges(IEnumerable<BasicBlock> blocks)
{
var ranges = new Dictionary<Register, RegisterRange>();
foreach (var block in blocks)
{
foreach (var inst in block.Instructions)
{
foreach (var reg in inst.Registers)
{
if (reg.Category == RCategory.Temp)
{
RegisterRange range;
if (ranges.TryGetValue(reg, out range))
{
// Extend range
range.Range = new InstructionRange(range.Range.First, inst);
range.InstructionCount++;
}
else
{
// Create range
range = new RegisterRange(reg, new InstructionRange(inst, inst)) { InstructionCount = 1 };
ranges.Add(reg, range);
}
range.AddBlock(block);
}
}
}
}
return ranges;
}
