[PATCH] "float2int": Add a new pass to demote from float to int where possible.

[Philip Reames]

On 02/26/2015 09:24 AM, James Molloy wrote:
> In this latest incarnation it's now a trivial loop, so I think using a utility isn't really required. Also, I know which nodes are dead; getting a utility to discover them isn't really required.
This wasn't quite what I was getting at.  By deleting instructions, you 
may be making other instructions dead (i.e. by removing the last use).  
Using a utility function would cleanup all of those instructions in one 
go.  Minor win, probably not worth worrying about here.