[llvm] [SelectionDAG] Lowering usub.sat(a, 1) to a - (a != 0) (PR #170076)

Eli Friedman via llvm-commits llvm-commits at lists.llvm.org
Tue Apr 14 20:46:09 PDT 2026

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efriedma-quic wrote:

It looks like this regressed AArch64 codegen; see https://github.com/llvm/llvm-project/issues/191488 .

https://github.com/llvm/llvm-project/pull/170076

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