[Mlir-commits] [mlir] [mlir][scf] Extend consumer fusion to multiple tilable users (PR #111955)

[llvmlistbot at llvm.org]

Yun-Fly wrote:

> We dont have to have scf.for dominate all definitions of the operands of consumerOp, i.e we dont need the scf.for to dominate the entire slice of consumerOp. What I meant was that if you take a program slice of consumerOp which is cut-off at scf.for, the only use should be consumerOp.

I have refactored code based on backward slice, which is similar to [this](https://github.com/iree-org/iree/blob/16f7ebf3883fd319152518c067121fdabad00b03/compiler/src/iree/compiler/Dialect/Flow/Transforms/FuseHorizontalContractions.cpp#L324).  Please help to take look again :)

https://github.com/llvm/llvm-project/pull/111955