Sanjay Patel 542e70f96c [InstCombine] reassociate subtract-from-constant to add-constant ...

(C - X) + Y --> (Y - X) + C

Moving the constant operand to an 'add' gives more
flexibility to subsequent reassociation patterns,
and it may be better for codegen on targets that
don't have subtract-from-immediate instructions.

2023-02-28 14:21:13 -05:00

97 KiB

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