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# 2dd52b45 29-Sep-2023 Noah Goldstein <goldstein.w.n@gmail.com>

[InstCombine] Improve logic for adding flags to shift instructions.

Instead of relying on constant operands, use known bits to do the
computation.

Proofs: https://alive2.llvm.org/ce/z/M-aBnw

Diffe

[InstCombine] Improve logic for adding flags to shift instructions.

Instead of relying on constant operands, use known bits to do the
computation.

Proofs: https://alive2.llvm.org/ce/z/M-aBnw

Differential Revision: https://reviews.llvm.org/D157532

show more ...


# 968468af 29-Sep-2023 Noah Goldstein <goldstein.w.n@gmail.com>

[InstCombine] Tests for adding flags to shifts; NFC

Differential Revision: https://reviews.llvm.org/D157531