private static void ToReductionList(
IEnumerable <ValueTag> arguments,
InstructionPrototype prototype,
List <ValueTag> reductionArgs,
HashSet <ValueTag> reductionOps,
ValueUses uses,
FlowGraph graph)
{
foreach (var arg in arguments)
{
NamedInstruction insn;
if (graph.TryGetInstruction(arg, out insn))
{
ToReductionList(
insn,
prototype,
reductionArgs,
reductionOps,
uses);
}
else
{
reductionArgs.Add(arg);
}
}
}
private static void ToReductionList(
NamedInstruction instruction,
InstructionPrototype prototype,
List <ValueTag> reductionArgs,
HashSet <ValueTag> reductionOps,
ValueUses uses)
{
if (uses.GetUseCount(instruction) == 1 &&
instruction.Prototype == prototype)
{
ToReductionList(
instruction.Instruction.Arguments,
prototype,
reductionArgs,
reductionOps,
uses,
instruction.Block.Graph);
reductionOps.Add(instruction);
}
else
{
reductionArgs.Add(instruction);
}
}
