Hsiangkai Wang 002005e674 [RISCV] Add integer scalar instructions to isAssociativeAndCommutative ...

Inspired by D138107.

We can add ADD, AND, OR, XOR, MUL, MIN[U]/MAX[U] to isAssociativeAndCommutative
to increase instruction-level parallelism by the existing MachineCombiner pass.

Differential Revision: https://reviews.llvm.org/D140530

2022-12-29 11:43:40 +00:00

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