protected override InstructionFlags ComputeFlags()
{
var sectionFlags = InstructionFlags.EndPointUnreachable; // neutral element for CombineBranches()
foreach (var section in Sections)
{
sectionFlags = SemanticHelper.CombineBranches(sectionFlags, section.Flags);
}
return(value.Flags | InstructionFlags.ControlFlow | sectionFlags);
}
protected override InstructionFlags ComputeFlags()
{
var flags = TryBlock.Flags;
foreach (var handler in Handlers)
{
flags = SemanticHelper.CombineBranches(flags, handler.Flags);
}
return(flags | InstructionFlags.ControlFlow);
}
protected override InstructionFlags ComputeFlags()
{
// left is always executed; right only sometimes
return(DirectFlags | left.Flags
| SemanticHelper.CombineBranches(InstructionFlags.None, right.Flags));
}
protected override InstructionFlags ComputeFlags()
{
// valueInst is always executed; fallbackInst only sometimes
return(InstructionFlags.ControlFlow | valueInst.Flags
| SemanticHelper.CombineBranches(InstructionFlags.None, fallbackInst.Flags));
}
protected override InstructionFlags ComputeFlags()
{
return(InstructionFlags.ControlFlow | condition.Flags | SemanticHelper.CombineBranches(trueInst.Flags, falseInst.Flags));
}