[llvm] [llvm][CodeGen] Address the issue of multiple resource reservations In window scheduling (PR #101665)

[Kai Yan via llvm-commits]

kaiyan96 wrote:

> Is this something that we should backport to 19.x?

We have following bugfixes for window scheduler, do we need submit them by ourselves?
* (Added a new restriction for II by pragma in window scheduler)[https://github.com/llvm/llvm-project/pull/99448]
* (Fixed a bug in stall cycle calculation for window scheduler)[https://github.com/llvm/llvm-project/pull/99451]
* (Added missing initialization failure information for window scheduler)[https://github.com/llvm/llvm-project/pull/99449]
* (Fixed max cycle calculation with zero-cost instructions for window scheduler )[https://github.com/llvm/llvm-project/pull/99454]
* (Address the issue of multiple resource reservations In window scheduling)[https://github.com/llvm/llvm-project/pull/101665]


https://github.com/llvm/llvm-project/pull/101665