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Commit 002005e6 authored by Hsiangkai Wang's avatar Hsiangkai Wang
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[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
parent 947d529e
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