llvm-project

cd29126b - [SLP]Fix PR87133: crash because of different altopcodes for cmps after reordering.

[SLP]Fix PR87133: crash because of different altopcodes for cmps after reordering. If the node has cmp instruction with 3 or more different but swappable predicates, need to keep same kind of main/alternate opcodes to avoid incorrect detection of opcodes after reordering. Reordering changes the order and we may erroneously consider swappable opcodes as non-compatible/alternate, which may lead to a later compiler crash. Reviewers: RKSimon Reviewed By: RKSimon Pull Request: https://github.com/llvm/llvm-project/pull/87267