[RISCV] Add combine for shadd family of instructions.#130829

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stefanp-synopsys merged 10 commits intollvm:mainfrom

stefanp-synopsys:stefanp/ReassocShlAddiAdd

Mar 31, 2025

Commits on Mar 11, 2025

[RISCV] Add combine for shadd family of instructions.
stefanp-synopsys
committed

Commits on Mar 12, 2025

Simplified the code as per comments.
stefanp-synopsys
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Commits on Mar 13, 2025

Commits on Mar 14, 2025

Figured out why the test case started failing and fixed it.
stefanp-synopsys
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Commits on Mar 17, 2025

Commits on Mar 18, 2025