* Store constant `Operand`s in the `LocalInfo`
Since the spill slot and register assigned is fixed, we can just store
the `Operand` reference in the `LocalInfo` struct. This allows skipping
hitting the intern-table for a look up.
* Skip `Uses`/`Assignments` management
Since the `HybridAllocator` is the last pass and we do not care about
uses/assignments we can skip managing that when setting destinations or
sources.
* Make `GetLocalInfo` inlineable
Also fix a possible issue where with numbered locals. See or-assignment
operator in `SetVisited(local)` before patch.
* Do not run `BlockPlacement` in LCQ
With the host mapped memory manager, there is a lot less cold code to
split from hot code. So disabling this in LCQ gives some extra
throughput - where we need it.
* Address Mou-Ikkai's feedback
* Apply suggestions from code review
Co-authored-by: VocalFan <45863583+Mou-Ikkai@users.noreply.github.com>
* Move check to an assert
Co-authored-by: VocalFan <45863583+Mou-Ikkai@users.noreply.github.com>
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