This allows caller to use non-const functions, e.g., `getOperandNumber`, etc. It
is expected that OpOperand is not modified in a callback function.
Reviewed By: mravishankar
Differential Revision: https://reviews.llvm.org/D106322
This makes it more explicit what the scope of this pass is. The name
of this pass predates fusion on tensors using tile + fuse, and hence
the confusion.
Differential Revision: https://reviews.llvm.org/D106132